/* roulang page: index */
:root {
            --primary: #E85D04;
            --primary-dark: #C44D03;
            --primary-light: #F97316;
            --secondary: #0A4D3C;
            --secondary-dark: #063A2D;
            --accent: #00C9A7;
            --accent-light: #00E6BF;
            --bg-light: #F4F4F6;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1A1A;
            --bg-darker: #111111;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #7A7A7A;
            --text-light: #9A9A9A;
            --text-on-dark: #E0E0E0;
            --border-light: #E5E5E8;
            --border-medium: #D0D0D5;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --radius-2xl: 28px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1240px;
            --nav-height-brand: 52px;
            --nav-height-channel: 44px;
            --nav-total-height: 96px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-white);
            overflow-x: hidden;
            padding-top: var(--nav-total-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        .section-padding {
            padding: 72px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 44px 0;
            }
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        @media (max-width: 768px) {
            .section-padding-sm {
                padding: 32px 0;
            }
        }
        .section-padding-lg {
            padding: 96px 0;
        }
        @media (max-width: 768px) {
            .section-padding-lg {
                padding: 56px 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(232, 93, 4, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: 0 1px 0 var(--border-light), 0 4px 16px rgba(0, 0, 0, 0.03);
            transition: transform var(--transition-normal);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-brand);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .brand-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .brand-actions .icon-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: transparent;
            border: none;
            color: var(--text-secondary);
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .brand-actions .icon-btn:hover {
            background: var(--bg-light);
            color: var(--primary);
        }
        .channel-row {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            height: var(--nav-height-channel);
            display: flex;
            align-items: center;
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-nav {
            display: flex;
            gap: 2px;
            white-space: nowrap;
        }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 14.5px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.02em;
        }
        .channel-nav a:hover {
            color: var(--primary);
            background: rgba(232, 93, 4, 0.04);
        }
        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(232, 93, 4, 0.07);
        }
        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 18px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-primary);
            cursor: pointer;
            padding: 4px;
            line-height: 1;
        }
        @media (max-width: 768px) {
            .brand-row {
                height: 50px;
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 19px;
            }
            .brand-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
            .mobile-toggle {
                display: block;
            }
            .channel-row {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                height: auto;
                flex-direction: column;
                background: var(--bg-white);
                box-shadow: var(--shadow-lg);
                border-top: 1px solid var(--border-light);
                padding: 8px 16px;
                z-index: 999;
            }
            .channel-row.open {
                display: flex;
            }
            .channel-nav {
                flex-direction: column;
                gap: 2px;
                width: 100%;
            }
            .channel-nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 15px;
            }
            .channel-nav a.active::after {
                display: none;
            }
            body {
                padding-top: 50px;
            }
            :root {
                --nav-total-height: 50px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            background-color: var(--bg-darker);
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(10, 10, 10, 0.88) 0%, rgba(10, 10, 10, 0.72) 40%, rgba(30, 20, 10, 0.78) 70%, rgba(10, 10, 10, 0.90) 100%);
            z-index: 1;
        }
        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 93, 4, 0.25) 0%, transparent 70%);
            top: -120px;
            right: -80px;
            z-index: 1;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            width: 100%;
        }
        .hero-inner {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .hero-text {
            flex: 1 1 420px;
            max-width: 600px;
        }
        .hero-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #fff;
            padding: 7px 15px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.03em;
            backdrop-filter: blur(4px);
        }
        .hero-badge .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 201, 167, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(0, 201, 167, 0);
            }
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 44px;
            font-weight: 800;
            line-height: 1.22;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .hero-title .highlight {
            color: var(--primary-light);
            position: relative;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 30px;
            }
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
            white-space: nowrap;
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 93, 4, 0.30);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: scale(1.03);
            box-shadow: 0 6px 22px rgba(232, 93, 4, 0.38);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.45);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: var(--radius-xs);
        }
        .btn-lg {
            padding: 15px 34px;
            font-size: 17px;
            border-radius: var(--radius-md);
        }
        .hero-visual {
            flex: 0 0 300px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        @media (max-width: 768px) {
            .hero-visual {
                flex: 1 1 100%;
                flex-direction: row;
                flex-wrap: wrap;
            }
        }
        .hero-stat-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            backdrop-filter: blur(6px);
            text-align: center;
        }
        .hero-stat-number {
            font-family: var(--font-mono);
            font-size: 38px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
            letter-spacing: 0.04em;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-section {
            background: var(--bg-white);
            margin-top: -40px;
            position: relative;
            z-index: 3;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            padding: 24px 20px;
            border: 1px solid var(--border-light);
        }
        @media (max-width: 992px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
        }
        .metric-card {
            text-align: center;
            padding: 16px 10px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            background: transparent;
            border: 1px solid transparent;
        }
        .metric-card:hover {
            background: var(--bg-light);
            border-color: var(--border-light);
        }
        .metric-number {
            font-family: var(--font-mono);
            font-size: 40px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.15;
            letter-spacing: -0.02em;
            transition: color var(--transition-fast);
        }
        .metric-card:hover .metric-number {
            color: var(--primary-dark);
        }
        .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 0.04em;
            font-weight: 500;
        }
        .metric-unit {
            font-size: 18px;
            font-weight: 500;
            color: var(--text-muted);
        }

        /* ========== FEATURES SECTION ========== */
        .features-section {
            background: var(--bg-light);
        }
        .features-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 20px;
            margin-top: 32px;
        }
        @media (max-width: 992px) {
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 600px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .feature-card.large {
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(232, 93, 4, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 14px;
            transition: all var(--transition-fast);
        }
        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.06);
        }
        .feature-card h3 {
            font-family: var(--font-heading);
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .feature-card p {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        .feature-card .feature-img {
            width: 100%;
            border-radius: var(--radius-md);
            margin-top: 16px;
            object-fit: cover;
            height: 180px;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            background: var(--bg-white);
        }
        .matrix-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 20px;
            margin-top: 32px;
        }
        @media (max-width: 992px) {
            .matrix-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 600px) {
            .matrix-grid {
                grid-template-columns: 1fr;
            }
        }
        .service-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .service-card .svc-icon {
            font-size: 28px;
            color: var(--primary);
        }
        .service-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
            flex-grow: 1;
        }
        .service-card .svc-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: gap var(--transition-fast);
        }
        .service-card .svc-link:hover {
            gap: 9px;
            color: var(--primary-dark);
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-section {
            background: var(--bg-white);
        }
        .deep-content-block {
            display: flex;
            gap: 40px;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        .deep-content-block.reverse {
            flex-direction: row-reverse;
        }
        .deep-content-text {
            flex: 1 1 400px;
        }
        .deep-content-text h3 {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .deep-content-text p {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .deep-content-visual {
            flex: 0 0 340px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .deep-content-visual img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .deep-content-visual {
                flex: 1 1 100%;
            }
            .deep-content-visual img {
                height: 200px;
            }
        }

        /* ========== COMPARISON ========== */
        .comparison-section {
            background: var(--bg-dark);
            color: #fff;
        }
        .comparison-section .section-title {
            color: #fff;
        }
        .comparison-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .comparison-table-wrap {
            margin-top: 32px;
            overflow-x: auto;
        }
        .comparison-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            font-size: 14.5px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .comparison-table thead th {
            background: rgba(255, 255, 255, 0.06);
            padding: 16px 20px;
            font-weight: 600;
            text-align: center;
            border-bottom: 2px solid rgba(255, 255, 255, 0.12);
            letter-spacing: 0.03em;
        }
        .comparison-table thead th.highlight-col {
            background: rgba(232, 93, 4, 0.22);
            color: var(--primary-light);
            font-size: 16px;
            border-bottom: 2px solid var(--primary);
        }
        .comparison-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.8);
        }
        .comparison-table tbody tr:nth-child(even) td {
            background: rgba(255, 255, 255, 0.02);
        }
        .comparison-table tbody td.highlight-col {
            background: rgba(232, 93, 4, 0.08);
            color: #fff;
            font-weight: 600;
        }
        .check-icon {
            color: var(--accent);
            font-size: 16px;
        }
        .cross-icon {
            color: rgba(255, 255, 255, 0.3);
            font-size: 14px;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-section {
            background: var(--bg-light);
        }
        .testimonials-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 8px;
            -webkit-overflow-scrolling: touch;
            scroll-snap-type: x mandatory;
            margin-top: 28px;
        }
        .testimonials-scroll::-webkit-scrollbar {
            height: 4px;
        }
        .testimonials-scroll::-webkit-scrollbar-thumb {
            background: var(--border-medium);
            border-radius: 4px;
        }
        .testimonial-card {
            flex: 0 0 340px;
            scroll-snap-align: start;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-card .quote-icon {
            font-size: 28px;
            color: var(--primary);
            opacity: 0.5;
            margin-bottom: 8px;
        }
        .testimonial-card .quote-text {
            font-size: 14.5px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-card .author-row {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .author-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--secondary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }
        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 14px;
            color: var(--text-primary);
        }
        .testimonial-card .author-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-section {
            background: var(--bg-white);
        }
        .brand-intro-block {
            display: flex;
            gap: 40px;
            align-items: center;
            flex-wrap: wrap;
        }
        .brand-intro-text {
            flex: 1 1 400px;
        }
        .brand-intro-text h3 {
            font-family: var(--font-heading);
            font-size: 27px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .brand-intro-text p {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 10px;
        }
        .brand-intro-visual {
            flex: 0 0 300px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .brand-intro-visual img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        @media (max-width: 768px) {
            .brand-intro-visual {
                flex: 1 1 100%;
            }
            .brand-intro-visual img {
                height: 200px;
            }
        }

        /* ========== PROGRESS / TASK ========== */
        .progress-section {
            background: var(--bg-light);
        }
        .progress-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 28px;
            max-width: 700px;
        }
        .progress-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .progress-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .progress-check {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid var(--border-medium);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: transparent;
            transition: all var(--transition-normal);
            flex-shrink: 0;
        }
        .progress-item.done .progress-check {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }
        .progress-item.current .progress-check {
            border-color: var(--primary);
            color: var(--primary);
            animation: pulse-border 2s ease-in-out infinite;
        }
        @keyframes pulse-border {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(232, 93, 4, 0.5);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(232, 93, 4, 0);
            }
        }
        .progress-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0;
        }
        .progress-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 2px 0 0;
        }

        /* ========== DATA ANALYSIS ========== */
        .data-analysis-section {
            background: var(--bg-white);
        }
        .analysis-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 28px;
        }
        @media (max-width: 992px) {
            .analysis-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .analysis-grid {
                grid-template-columns: 1fr;
            }
        }
        .analysis-card {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            text-align: center;
        }
        .analysis-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .analysis-big-number {
            font-family: var(--font-mono);
            font-size: 46px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }
        .analysis-card h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 10px;
        }
        .analysis-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 6px 0 0;
            line-height: 1.5;
        }
        .analysis-trend {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }

        /* ========== LIVE PREVIEW ========== */
        .live-preview-section {
            background: linear-gradient(180deg, #0D0D0D 0%, #1A1A1A 100%);
            color: #fff;
        }
        .live-preview-section .section-title {
            color: #fff;
        }
        .live-preview-section .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }
        .live-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            margin-top: 28px;
            backdrop-filter: blur(4px);
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            align-items: center;
        }
        .live-countdown {
            flex: 0 0 auto;
            text-align: center;
            min-width: 120px;
        }
        .live-countdown .countdown-number {
            font-family: var(--font-mono);
            font-size: 52px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }
        .live-countdown .countdown-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.05em;
        }
        .live-info {
            flex: 1 1 300px;
        }
        .live-info h4 {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .live-info p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
            margin: 0;
        }
        .live-highlights {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 10px;
        }
        .live-highlight-tag {
            background: rgba(232, 93, 4, 0.3);
            color: #fff;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 12px;
            font-weight: 500;
        }
        .live-subscribe-btn {
            flex: 0 0 auto;
        }

        /* ========== NEWS ========== */
        .news-section {
            background: var(--bg-white);
        }
        .news-layout {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .news-list {
            flex: 1 1 500px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 18px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
            background: var(--bg-white);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(3px);
        }
        .news-date {
            flex: 0 0 auto;
            font-size: 12px;
            color: var(--text-muted);
            font-weight: 500;
            white-space: nowrap;
            padding-top: 2px;
            letter-spacing: 0.04em;
        }
        .news-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .news-content p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0 0 6px;
            line-height: 1.5;
        }
        .news-read-more {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 3px;
            transition: gap var(--transition-fast);
        }
        .news-read-more:hover {
            gap: 7px;
            color: var(--primary-dark);
        }
        .news-sidebar {
            flex: 0 0 280px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        @media (max-width: 768px) {
            .news-sidebar {
                flex: 1 1 100%;
            }
        }
        .news-sidebar-card {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid var(--border-light);
        }
        .news-sidebar-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .news-sidebar-card ul li {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 1px solid var(--border-light);
            transition: color var(--transition-fast);
            cursor: pointer;
        }
        .news-sidebar-card ul li:hover {
            color: var(--primary);
        }
        .news-sidebar-card ul li:last-child {
            border-bottom: none;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-list {
            max-width: 760px;
            margin: 28px auto 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            background: none;
            border: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition-normal);
            color: var(--text-secondary);
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CONVERSION FORM ========== */
        .conversion-section {
            background: var(--bg-white);
        }
        .conversion-form-wrap {
            max-width: 560px;
            margin: 28px auto 0;
            background: var(--bg-light);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            display: block;
        }
        .form-input {
            width: 100%;
            padding: 12px 16px;
            font-size: 15px;
            border: 1.5px solid var(--border-medium);
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            transition: all var(--transition-fast);
            color: var(--text-primary);
        }
        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 6px rgba(232, 93, 4, 0.08);
            outline: none;
        }
        .form-submit {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
            box-shadow: 0 4px 16px rgba(232, 93, 4, 0.25);
        }
        .form-submit:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
            box-shadow: 0 6px 22px rgba(232, 93, 4, 0.35);
        }
        .form-note {
            font-size: 12px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 10px;
        }

        /* ========== CTA BANNER ========== */
        .cta-banner-section {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
            color: #fff;
            text-align: center;
            padding: 64px 0;
        }
        .cta-banner-section h2 {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-banner-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-white {
            background: #fff;
            color: var(--secondary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.03em;
            box-shadow: 0 6px 24px rgba(0, 0, 0, 0.2);
        }
        .btn-cta-white:hover {
            transform: scale(1.04);
            box-shadow: 0 10px 32px rgba(0, 0, 0, 0.28);
            color: var(--secondary);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-light);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-logo {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }
        .footer-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-light);
        }
        .footer-bottom a {
            color: var(--text-light);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-0 {
            margin-top: 0;
        }
        .gap-12 {
            gap: 12px;
        }
        .gap-16 {
            gap: 16px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #E85D04;
            --primary-dark: #C44D03;
            --primary-light: #F97316;
            --secondary: #0A4D3C;
            --secondary-dark: #063A2D;
            --accent: #00C9A7;
            --accent-light: #00E6BF;
            --bg-light: #F4F4F6;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1A1A;
            --bg-darker: #111111;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #7A7A7A;
            --text-light: #9A9A9A;
            --text-on-dark: #E0E0E0;
            --border-light: #E5E5E8;
            --border-medium: #D0D0D5;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --radius-2xl: 28px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1240px;
            --nav-height-brand: 52px;
            --nav-height-channel: 44px;
            --nav-total-height: 96px;
        }

        @media (max-width: 768px) {
            :root {
                --nav-total-height: 56px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-white);
            overflow-x: hidden;
            padding-top: var(--nav-total-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }
        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        .section-padding {
            padding: 72px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 44px 0;
            }
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        @media (max-width: 768px) {
            .section-padding-sm {
                padding: 32px 0;
            }
        }
        .section-padding-lg {
            padding: 96px 0;
        }
        @media (max-width: 768px) {
            .section-padding-lg {
                padding: 56px 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(232, 93, 4, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: 0 1px 0 var(--border-light), 0 4px 16px rgba(0, 0, 0, 0.03);
            transition: transform var(--transition-normal);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-brand);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .brand-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .brand-actions .search-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            font-size: 15px;
        }
        .brand-actions .search-btn:hover {
            background: var(--primary);
            color: #fff;
        }
        .brand-actions .user-btn {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 7px 16px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            transition: all var(--transition-fast);
        }
        .brand-actions .user-btn:hover {
            background: var(--primary);
            color: #fff;
        }
        .channel-row {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height-channel);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 0;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .channel-nav {
                padding: 0 12px;
                gap: 0;
            }
        }
        .channel-nav a {
            display: flex;
            align-items: center;
            height: 100%;
            padding: 0 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast);
            border-bottom: 2px solid transparent;
        }
        @media (max-width: 768px) {
            .channel-nav a {
                padding: 0 12px;
                font-size: 13px;
            }
        }
        .channel-nav a:hover {
            color: var(--primary);
        }
        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--primary);
        }
        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-primary);
            padding: 6px;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .channel-row {
                display: none;
                position: absolute;
                top: var(--nav-height-brand);
                left: 0;
                width: 100%;
                height: auto;
                background: var(--bg-white);
                box-shadow: var(--shadow-lg);
                flex-direction: column;
                z-index: 999;
                border-top: 1px solid var(--border-light);
                border-bottom: 1px solid var(--border-light);
            }
            .channel-row.show {
                display: flex;
            }
            .channel-nav {
                flex-direction: column;
                padding: 8px 0;
                width: 100%;
                gap: 0;
            }
            .channel-nav a {
                padding: 12px 24px;
                width: 100%;
                border-bottom: none;
                border-left: 3px solid transparent;
                height: auto;
            }
            .channel-nav a.active {
                border-left-color: var(--primary);
                border-bottom: none;
                background: rgba(232, 93, 4, 0.04);
            }
            .channel-nav a.active::after {
                display: none;
            }
        }

        /* ========== HERO ========== */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(10, 77, 60, 0.92) 0%, rgba(6, 58, 45, 0.95) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 80px 0 72px;
            color: #fff;
            overflow: hidden;
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 48px 0 40px;
            }
        }
        .category-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(0, 201, 167, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(232, 93, 4, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        @media (max-width: 992px) {
            .hero-inner {
                flex-direction: column;
                gap: 32px;
            }
        }
        .hero-text {
            flex: 1;
            min-width: 280px;
        }
        .hero-text .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
        }
        .hero-text h1 {
            font-family: var(--font-heading);
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 14px;
            color: #fff;
        }
        @media (max-width: 768px) {
            .hero-text h1 {
                font-size: 30px;
            }
        }
        .hero-text .hero-desc {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            max-width: 500px;
        }
        .hero-form-wrap {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .hero-form-wrap input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 15px;
            transition: all var(--transition-fast);
            backdrop-filter: blur(2px);
        }
        .hero-form-wrap input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .hero-form-wrap input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 8px rgba(0, 201, 167, 0.12);
            outline: none;
        }
        .hero-form-wrap .btn-submit {
            padding: 13px 28px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .hero-form-wrap .btn-submit:hover {
            background: var(--primary-dark);
            transform: scale(1.03);
            box-shadow: 0 6px 20px rgba(232, 93, 4, 0.35);
        }
        .hero-stats {
            display: flex;
            gap: 32px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .hero-stats {
                flex-wrap: wrap;
                gap: 20px;
                width: 100%;
            }
        }
        .hero-stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            min-width: 110px;
        }
        @media (max-width: 768px) {
            .hero-stat-item {
                flex: 1;
                min-width: 90px;
                padding: 18px 14px;
            }
        }
        .hero-stat-item .stat-num {
            font-family: 'DIN', 'Oswald', var(--font-mono);
            font-size: 38px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }
        @media (max-width: 768px) {
            .hero-stat-item .stat-num {
                font-size: 28px;
            }
        }
        .hero-stat-item .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
        }

        /* ========== 资讯分类标签 ========== */
        .tag-filters {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding: 0;
            list-style: none;
            margin: 0;
        }
        .tag-filters li button {
            padding: 9px 20px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 500;
            background: var(--bg-white);
            border: 1.5px solid var(--border-medium);
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .tag-filters li button:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(232, 93, 4, 0.04);
        }
        .tag-filters li button.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
        }

        /* ========== 头条资讯卡片 ========== */
        .headline-card {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 0;
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-lg);
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .headline-card {
                grid-template-columns: 1fr;
            }
        }
        .headline-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-3px);
        }
        .headline-card .headline-img {
            position: relative;
            min-height: 320px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            padding: 24px;
        }
        @media (max-width: 768px) {
            .headline-card .headline-img {
                min-height: 220px;
            }
        }
        .headline-card .headline-img .img-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 14px;
            letter-spacing: 0.03em;
        }
        .headline-card .headline-body {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        @media (max-width: 768px) {
            .headline-card .headline-body {
                padding: 20px;
            }
        }
        .headline-body .headline-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .headline-body h3 {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .headline-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .headline-body .read-more {
            font-weight: 600;
            font-size: 14px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }
        .headline-body .read-more:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* ========== 资讯网格 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 992px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--border-light);
            cursor: pointer;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--border-medium);
        }
        .news-card .news-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .news-card .news-img .news-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--secondary);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.03em;
        }
        .news-card .news-body {
            padding: 20px;
        }
        .news-body .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }
        .news-body h4 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .news-body .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== 深度报道区 ========== */
        .deep-report {
            background: var(--bg-light);
            border-radius: var(--radius-xl);
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .deep-report {
                grid-template-columns: 1fr;
                padding: 28px 20px;
                gap: 24px;
            }
        }
        .deep-report .deep-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 340px;
            background-size: cover;
            background-position: center;
        }
        @media (max-width: 768px) {
            .deep-report .deep-img {
                height: 220px;
            }
        }
        .deep-report .deep-content h3 {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .deep-report .deep-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        /* ========== 数据快报 ========== */
        .quick-stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 992px) {
            .quick-stats-bar {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .quick-stats-bar {
                grid-template-columns: 1fr;
            }
        }
        .quick-stat-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-normal);
        }
        .quick-stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .quick-stat-card .qs-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .quick-stat-card .qs-num {
            font-family: 'DIN', 'Oswald', var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--secondary);
            line-height: 1;
        }
        .quick-stat-card .qs-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ========== 编辑精选 ========== */
        .editor-picks {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }
        @media (max-width: 768px) {
            .editor-picks {
                grid-template-columns: 1fr;
            }
        }
        .pick-main {
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-md);
            position: relative;
            cursor: pointer;
            transition: all var(--transition-normal);
        }
        .pick-main:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .pick-main .pick-img {
            height: 300px;
            background-size: cover;
            background-position: center;
        }
        @media (max-width: 768px) {
            .pick-main .pick-img {
                height: 200px;
            }
        }
        .pick-main .pick-body {
            padding: 24px;
        }
        .pick-main .pick-body h4 {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .pick-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .pick-side-item {
            display: flex;
            gap: 14px;
            padding: 16px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: all var(--transition-normal);
            align-items: flex-start;
        }
        .pick-side-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .pick-side-item .pick-thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }
        .pick-side-item .pick-info h5 {
            font-size: 14px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 4px;
            color: var(--text-primary);
        }
        .pick-side-item .pick-info .pick-date {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-medium);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            gap: 14px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition-normal);
            color: var(--text-muted);
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(0, 201, 167, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 24px;
            }
        }
        .cta-section .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
            position: relative;
            z-index: 1;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 15px;
            transition: all var(--transition-fast);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 8px rgba(0, 201, 167, 0.1);
            outline: none;
        }
        .cta-form .btn-cta-submit {
            padding: 14px 32px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .cta-form .btn-cta-submit:hover {
            background: var(--primary-light);
            transform: scale(1.04);
            box-shadow: 0 6px 22px rgba(249, 115, 22, 0.4);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 56px 0 0;
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 40px 0 0;
            }
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-light);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 13px;
            color: var(--text-light);
            gap: 10px;
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-bottom-links a,
        .footer-bottom-links span {
            color: var(--text-light);
            font-size: 13px;
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ========== 按钮通用 ========== */
        .btn-primary-custom {
            display: inline-block;
            padding: 12px 26px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
            box-shadow: 0 4px 16px rgba(232, 93, 4, 0.3);
            color: #fff;
        }
        .btn-outline-custom {
            display: inline-block;
            padding: 11px 24px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            background: rgba(232, 93, 4, 0.08);
            color: var(--primary-dark);
        }

        /* ========== 动画 ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.5s ease forwards;
        }

/* roulang page: category1 */
:root {
            --primary: #E85D04;
            --primary-dark: #C44D03;
            --primary-light: #F97316;
            --secondary: #0A4D3C;
            --secondary-dark: #063A2D;
            --accent: #00C9A7;
            --accent-light: #00E6BF;
            --bg-light: #F4F4F6;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1A1A;
            --bg-darker: #111111;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #7A7A7A;
            --text-light: #9A9A9A;
            --text-on-dark: #E0E0E0;
            --border-light: #E5E5E8;
            --border-medium: #D0D0D5;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --radius-2xl: 28px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1240px;
            --nav-height-brand: 52px;
            --nav-height-channel: 44px;
            --nav-total-height: 96px;
        }

        @media (max-width: 768px) {
            :root {
                --nav-total-height: 50px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-white);
            overflow-x: hidden;
            padding-top: var(--nav-total-height);
            margin: 0;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        .section-padding {
            padding: 72px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 44px 0;
            }
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        @media (max-width: 768px) {
            .section-padding-sm {
                padding: 32px 0;
            }
        }
        .section-padding-lg {
            padding: 96px 0;
        }
        @media (max-width: 768px) {
            .section-padding-lg {
                padding: 56px 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(232, 93, 4, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: 0 1px 0 var(--border-light), 0 4px 16px rgba(0, 0, 0, 0.03);
            transition: transform var(--transition-normal);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-brand);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .brand-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .brand-actions .icon-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 18px;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .brand-actions .icon-btn:hover {
            background: var(--bg-light);
            color: var(--primary);
        }
        .mobile-toggle {
            display: none;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: transparent;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            font-size: 20px;
            border: 1px solid var(--border-medium);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: var(--bg-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: flex;
            }
            .brand-actions .icon-btn {
                display: none;
            }
        }
        .channel-row {
            border-top: 1px solid var(--border-light);
            background: var(--bg-white);
            transition: max-height var(--transition-normal), opacity var(--transition-normal);
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 0;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            height: var(--nav-height-channel);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            padding: 0 18px;
            height: 100%;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast);
            border-bottom: 2px solid transparent;
        }
        .channel-nav a:hover {
            color: var(--primary);
        }
        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--primary);
        }
        @media (max-width: 768px) {
            .channel-row {
                max-height: 0;
                overflow: hidden;
                opacity: 0;
            }
            .channel-row.mobile-open {
                max-height: 400px;
                opacity: 1;
                overflow-y: auto;
            }
            .channel-nav {
                flex-direction: column;
                height: auto;
                padding: 8px 16px;
                gap: 2px;
            }
            .channel-nav a {
                padding: 12px 16px;
                height: auto;
                border-bottom: none;
                border-left: 3px solid transparent;
                border-radius: 0;
                width: 100%;
                font-size: 15px;
            }
            .channel-nav a.active {
                border-bottom: none;
                border-left-color: var(--primary);
                background: rgba(232, 93, 4, 0.04);
            }
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 26px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border: 2px solid var(--primary);
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-outline-custom:hover {
            background: rgba(232, 93, 4, 0.06);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: scale(1.02);
        }
        .btn-lg-custom {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--bg-white);
            overflow: hidden;
            padding: 60px 0 50px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 36px 0 32px;
            }
        }
        .hero-bg-img {
            position: absolute;
            top: 0;
            right: 0;
            width: 48%;
            height: 100%;
            object-fit: cover;
            opacity: 0.12;
            pointer-events: none;
            border-radius: 0 0 0 80px;
        }
        @media (max-width: 768px) {
            .hero-bg-img {
                width: 100%;
                opacity: 0.06;
                border-radius: 0;
            }
        }
        .hero-inner {
            display: flex;
            align-items: center;
            gap: 48px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }
        @media (max-width: 992px) {
            .hero-inner {
                flex-direction: column;
                gap: 32px;
                text-align: center;
            }
        }
        .hero-text {
            flex: 1;
            min-width: 280px;
        }
        .hero-text .section-label {
            margin-bottom: 10px;
        }
        .hero-text h1 {
            font-family: var(--font-heading);
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        @media (max-width: 768px) {
            .hero-text h1 {
                font-size: 30px;
            }
        }
        .hero-text .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 500px;
        }
        @media (max-width: 992px) {
            .hero-text .hero-subtitle {
                max-width: 100%;
            }
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        @media (max-width: 992px) {
            .hero-actions {
                justify-content: center;
            }
        }
        .hero-visual {
            flex: 0 0 340px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        @media (max-width: 992px) {
            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 300px;
                margin: 0 auto;
            }
        }
        .progress-ring-wrap {
            position: relative;
            width: 260px;
            height: 260px;
        }
        @media (max-width: 768px) {
            .progress-ring-wrap {
                width: 200px;
                height: 200px;
            }
        }
        .progress-ring-wrap svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }
        .progress-ring-bg {
            fill: none;
            stroke: var(--border-light);
            stroke-width: 10;
        }
        .progress-ring-fg {
            fill: none;
            stroke: var(--primary);
            stroke-width: 10;
            stroke-linecap: round;
            transition: stroke-dashoffset 1.2s ease;
        }
        .progress-ring-center {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }
        .progress-ring-center .big-num {
            font-family: var(--font-heading);
            font-size: 48px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            display: block;
        }
        @media (max-width: 768px) {
            .progress-ring-center .big-num {
                font-size: 36px;
            }
        }
        .progress-ring-center .big-num-label {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            display: block;
            margin-top: 4px;
        }
        .tier-previews {
            display: flex;
            gap: 10px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        @media (max-width: 992px) {
            .tier-previews {
                justify-content: center;
            }
        }
        .tier-preview-card {
            flex: 1;
            min-width: 100px;
            max-width: 140px;
            padding: 14px 12px;
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
        }
        .tier-preview-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .tier-preview-card .tier-icon {
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .tier-preview-card .tier-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .tier-preview-card .tier-desc {
            font-size: 11px;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-section {
            background: var(--bg-light);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 992px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
        }
        .metric-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-medium);
        }
        .metric-card .metric-num {
            font-family: var(--font-heading);
            font-size: 40px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }
        .metric-card:hover .metric-num {
            color: var(--primary-dark);
        }
        .metric-card .metric-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 20px;
        }
        @media (max-width: 992px) {
            .service-matrix {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .service-matrix {
                grid-template-columns: 1fr;
            }
        }
        .service-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .service-card.featured {
            grid-row: span 1;
            background: var(--bg-white);
            border-color: var(--primary);
            border-width: 2px;
            box-shadow: var(--shadow-md);
        }
        @media (max-width: 992px) {
            .service-card.featured {
                grid-column: span 2;
            }
        }
        @media (max-width: 640px) {
            .service-card.featured {
                grid-column: span 1;
            }
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--primary);
        }
        .service-card .service-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(232, 93, 4, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            flex-shrink: 0;
        }
        .service-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
            flex: 1;
        }
        .service-card .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .service-card .service-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* ========== COMPARISON ========== */
        .comparison-section {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .comparison-section .section-title {
            color: #fff;
        }
        .comparison-section .section-subtitle {
            color: var(--text-light);
        }
        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .comparison-table thead th {
            padding: 16px 18px;
            font-size: 14px;
            font-weight: 600;
            text-align: left;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .comparison-table thead th.highlight-col {
            background: rgba(232, 93, 4, 0.25);
            color: #fff;
            font-weight: 700;
        }
        .comparison-table tbody td {
            padding: 14px 18px;
            font-size: 14px;
            color: var(--text-on-dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            vertical-align: middle;
        }
        .comparison-table tbody tr:nth-child(even) td {
            background: rgba(255, 255, 255, 0.02);
        }
        .comparison-table tbody td.highlight-col {
            background: rgba(232, 93, 4, 0.1);
            font-weight: 600;
            color: #fff;
        }
        .check-icon {
            color: var(--accent);
            font-size: 16px;
            margin-right: 4px;
        }
        .cross-icon {
            color: #999;
            font-size: 14px;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            display: flex;
            gap: 40px;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .deep-content-block {
                flex-direction: column;
                gap: 24px;
            }
        }
        .deep-content-block .deep-text {
            flex: 1;
            min-width: 280px;
        }
        .deep-content-block .deep-text h3 {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .deep-content-block .deep-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .deep-content-block .deep-image {
            flex: 0 0 380px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        @media (max-width: 768px) {
            .deep-content-block .deep-image {
                flex: 0 0 auto;
                width: 100%;
            }
        }
        .deep-content-block .deep-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* ========== SCENARIO CARDS ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 992px) {
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .scenario-grid {
                grid-template-columns: 1fr;
            }
        }
        .scenario-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .scenario-card .scenario-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(10, 77, 60, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            color: var(--secondary);
            font-size: 22px;
        }
        .scenario-card h4 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-light);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--border-medium);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
            color: #fff;
            text-align: center;
        }
        .cta-section .section-title {
            color: #fff;
        }
        .cta-section .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
            margin: 0 auto 24px;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            font-size: 15px;
            border: 2px solid transparent;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.95);
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 6px rgba(0, 201, 167, 0.15);
            background: #fff;
        }
        .cta-form .btn-primary-custom {
            background: var(--accent);
            color: #000;
            font-weight: 700;
            border-radius: var(--radius-sm);
        }
        .cta-form .btn-primary-custom:hover {
            background: var(--accent-light);
            color: #000;
            transform: scale(1.03);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-darker);
            color: var(--text-light);
            padding: 48px 0 24px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-col .footer-logo {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
        }
        .footer-col .footer-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: var(--text-light);
            font-size: 13px;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-light);
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-bottom-links a {
            color: var(--text-light);
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }
        .footer-bottom-links span {
            color: var(--text-light);
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-on-scroll {
            animation: fadeInUp 0.6s ease forwards;
        }

/* roulang page: category2 */
:root {
            --primary: #E85D04;
            --primary-dark: #C44D03;
            --primary-light: #F97316;
            --secondary: #0A4D3C;
            --secondary-dark: #063A2D;
            --accent: #00C9A7;
            --accent-light: #00E6BF;
            --bg-light: #F4F4F6;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1A1A;
            --bg-darker: #111111;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #7A7A7A;
            --text-light: #9A9A9A;
            --text-on-dark: #E0E0E0;
            --border-light: #E5E5E8;
            --border-medium: #D0D0D5;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --radius-2xl: 28px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1240px;
            --nav-height-brand: 52px;
            --nav-height-channel: 44px;
            --nav-total-height: 96px;
        }

        @media (max-width: 768px) {
            :root {
                --nav-total-height: 56px;
                --nav-height-brand: 48px;
                --nav-height-channel: 0px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-white);
            overflow-x: hidden;
            padding-top: var(--nav-total-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        .section-padding {
            padding: 72px 0;
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        .section-padding-lg {
            padding: 96px 0;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 44px 0;
            }
            .section-padding-sm {
                padding: 32px 0;
            }
            .section-padding-lg {
                padding: 56px 0;
            }
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(232, 93, 4, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 15px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: 0 1px 0 var(--border-light), 0 4px 16px rgba(0, 0, 0, 0.03);
            transition: transform var(--transition-normal);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-brand);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .brand-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .brand-actions .btn-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            font-size: 15px;
        }
        .brand-actions .btn-icon:hover {
            background: var(--primary);
            color: #fff;
        }
        .channel-row {
            border-top: 1px solid var(--border-light);
            background: var(--bg-white);
            height: var(--nav-height-channel);
            display: flex;
            align-items: center;
        }
        @media (max-width: 768px) {
            .channel-row {
                height: auto;
                position: fixed;
                top: var(--nav-height-brand);
                left: 0;
                width: 100%;
                background: var(--bg-white);
                flex-direction: column;
                padding: 12px 0;
                box-shadow: var(--shadow-lg);
                display: none;
                z-index: 999;
            }
            .channel-row.show {
                display: flex;
            }
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        @media (max-width: 768px) {
            .channel-nav {
                flex-direction: column;
                gap: 2px;
                padding: 0 16px;
            }
        }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.02em;
        }
        .channel-nav a:hover {
            color: var(--primary);
            background: rgba(232, 93, 4, 0.04);
        }
        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(232, 93, 4, 0.06);
        }
        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        @media (max-width: 768px) {
            .channel-nav a {
                padding: 10px 16px;
                font-size: 15px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .channel-nav a.active::after {
                display: none;
            }
        }
        .hamburger-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-light);
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            font-size: 18px;
            transition: all var(--transition-fast);
        }
        .hamburger-toggle:hover {
            background: var(--primary);
            color: #fff;
        }
        @media (max-width: 768px) {
            .hamburger-toggle {
                display: flex;
            }
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 26px;
            font-size: 15px;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-outline-custom:hover {
            background: rgba(232, 93, 4, 0.08);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: scale(1.02);
        }
        .btn-lg-custom {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: var(--radius-md);
        }

        /* ========== HERO ========== */
        .hero-category {
            position: relative;
            background: linear-gradient(135deg, #0A1A16 0%, #0D2820 40%, #0A2A1F 100%);
            padding: 64px 0 72px;
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-category .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 26, 22, 0.7) 0%, rgba(10, 42, 31, 0.85) 100%);
            z-index: 1;
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
        }
        .hero-category-inner {
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .hero-category-inner {
                flex-direction: column;
                gap: 28px;
                text-align: center;
            }
            .hero-category {
                padding: 40px 0 48px;
                min-height: auto;
            }
        }
        .hero-avatar-block {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }
        .hero-avatar-icon {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 44px;
            color: #fff;
            box-shadow: 0 8px 32px rgba(232, 93, 4, 0.35);
            position: relative;
        }
        .hero-avatar-icon::after {
            content: '';
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 3px solid rgba(255, 255, 255, 0.25);
            animation: pulse-ring 2.5s ease-out infinite;
        }
        @keyframes pulse-ring {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.6;
            }
            50% {
                transform: scale(1.12);
                opacity: 0;
            }
        }
        .hero-badges {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.03em;
            white-space: nowrap;
            backdrop-filter: blur(4px);
        }
        .hero-badge .badge-num {
            color: var(--accent-light);
            font-weight: 700;
            font-size: 14px;
        }
        .hero-text-block {
            flex: 1;
            min-width: 260px;
        }
        .hero-text-block .hero-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--accent-light);
            background: rgba(0, 201, 167, 0.12);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
        }
        .hero-text-block h1 {
            font-family: var(--font-heading);
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .hero-text-block .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            max-width: 560px;
            margin-bottom: 20px;
        }
        @media (max-width: 768px) {
            .hero-text-block h1 {
                font-size: 30px;
            }
            .hero-text-block .hero-desc {
                font-size: 15px;
                max-width: 100%;
            }
            .hero-avatar-icon {
                width: 80px;
                height: 80px;
                font-size: 34px;
            }
        }
        .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .hero-cta-row {
                justify-content: center;
            }
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 30px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            cursor: pointer;
        }
        .btn-hero-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: scale(1.03);
            box-shadow: 0 6px 24px rgba(232, 93, 4, 0.4);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            cursor: pointer;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: scale(1.02);
        }

        /* ========== METRICS BOARD ========== */
        .metrics-board {
            background: var(--bg-white);
            margin-top: -28px;
            position: relative;
            z-index: 10;
            padding: 0 0 48px;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-light);
        }
        @media (max-width: 992px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                padding: 20px 16px;
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 16px 12px;
            }
        }
        .metric-item {
            text-align: center;
            padding: 12px 8px;
            border-radius: var(--radius-md);
            background: var(--bg-light);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
        }
        .metric-item:hover {
            border-color: var(--border-medium);
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }
        .metric-num {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .metric-num {
                font-size: 28px;
            }
            .metric-label {
                font-size: 12px;
            }
        }

        /* ========== CARDS ========== */
        .card-custom {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-medium);
        }
        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-light);
        }
        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-custom:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-custom .card-body-custom {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-custom .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(232, 93, 4, 0.07);
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 8px;
            width: fit-content;
            letter-spacing: 0.03em;
        }
        .card-custom .card-title-custom {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 6px;
        }
        .card-custom .card-desc-custom {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .card-custom .card-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ========== SERVICE GRID ========== */
        .service-grid-asym {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
        }
        @media (max-width: 768px) {
            .service-grid-asym {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }
        .service-card-lg {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 32px;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .service-card-lg:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--border-medium);
        }
        .service-card-lg .svc-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(232, 93, 4, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .service-card-lg h3 {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
        }
        .service-card-lg p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== COMPARISON ========== */
        .comparison-section {
            background: var(--bg-dark);
            color: #fff;
            padding: 64px 0;
            border-radius: var(--radius-xl);
            margin: 0 0;
        }
        .comparison-dual {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        @media (max-width: 768px) {
            .comparison-dual {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }
        .comp-col {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-normal);
        }
        .comp-col.highlight {
            background: rgba(232, 93, 4, 0.12);
            border-color: rgba(232, 93, 4, 0.4);
            position: relative;
        }
        .comp-col.highlight::before {
            content: '✓ 爱体育';
            position: absolute;
            top: -14px;
            right: 20px;
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 14px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.04em;
        }
        .comp-col h4 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .comp-col ul {
            list-style: none;
            padding: 0;
        }
        .comp-col ul li {
            padding: 8px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .comp-col ul li:last-child {
            border-bottom: none;
        }
        .comp-col ul li i {
            font-size: 14px;
            flex-shrink: 0;
        }
        .comp-col ul li i.fa-check {
            color: var(--accent);
        }
        .comp-col ul li i.fa-minus {
            color: rgba(255, 255, 255, 0.3);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--border-medium);
        }
        .faq-question {
            width: 100%;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }
        .faq-question:hover {
            color: var(--primary);
            background: rgba(232, 93, 4, 0.02);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--text-muted);
            transition: all var(--transition-normal);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA / FORM ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
            padding: 56px 0;
            border-radius: var(--radius-xl);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .cta-inner {
                flex-direction: column;
                text-align: center;
                gap: 24px;
            }
        }
        .cta-text {
            flex: 1;
            min-width: 240px;
        }
        .cta-text h2 {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
        }
        .cta-form-wrap {
            flex-shrink: 0;
            width: 380px;
            max-width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
        }
        @media (max-width: 768px) {
            .cta-form-wrap {
                width: 100%;
            }
        }
        .cta-form-wrap input {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 15px;
            transition: all var(--transition-fast);
            margin-bottom: 12px;
        }
        .cta-form-wrap input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form-wrap input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 6px rgba(0, 201, 167, 0.12);
            background: rgba(255, 255, 255, 0.12);
        }
        .cta-form-wrap .btn-submit {
            width: 100%;
            padding: 13px;
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }
        .cta-form-wrap .btn-submit:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
            box-shadow: 0 6px 20px rgba(232, 93, 4, 0.4);
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        @media (max-width: 992px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }
        .process-step {
            position: relative;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-normal);
            counter-increment: step;
        }
        .process-step:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--border-medium);
        }
        .process-step .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-family: var(--font-mono);
        }
        .process-step h4 {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-light);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-light);
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .footer-bottom-links a {
            color: var(--text-light);
            font-size: 12px;
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }
        .footer-bottom-links span {
            color: var(--text-light);
            font-size: 12px;
        }

        /* ========== MISC ========== */
        .text-accent {
            color: var(--accent);
        }
        .bg-light-section {
            background: var(--bg-light);
        }
        .br-md {
            border-radius: var(--radius-md);
        }
        .br-lg {
            border-radius: var(--radius-lg);
        }
        @media (max-width: 768px) {
            .hide-mobile {
                display: none;
            }
        }

        /* ========== ANIMATIONS ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-on-scroll {
            animation: fadeInUp 0.6s ease forwards;
        }

/* roulang page: category4 */
:root {
            --primary: #E85D04;
            --primary-dark: #C44D03;
            --primary-light: #F97316;
            --secondary: #0A4D3C;
            --secondary-dark: #063A2D;
            --accent: #00C9A7;
            --accent-light: #00E6BF;
            --bg-light: #F4F4F6;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1A1A;
            --bg-darker: #111111;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #7A7A7A;
            --text-light: #9A9A9A;
            --text-on-dark: #E0E0E0;
            --border-light: #E5E5E8;
            --border-medium: #D0D0D5;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --radius-2xl: 28px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1240px;
            --nav-height-brand: 52px;
            --nav-height-channel: 44px;
            --nav-total-height: 96px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-white);
            overflow-x: hidden;
            padding-top: var(--nav-total-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 72px 0;
        }

        .section-padding-sm {
            padding: 48px 0;
        }

        .section-padding-lg {
            padding: 96px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(232, 93, 4, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: 0 1px 0 var(--border-light), 0 4px 16px rgba(0, 0, 0, 0.03);
            transition: transform var(--transition-normal);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-brand);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .brand-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .brand-actions .search-btn,
        .brand-actions .user-btn {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            font-size: 15px;
        }

        .brand-actions .search-btn:hover,
        .brand-actions .user-btn:hover {
            background: rgba(232, 93, 4, 0.1);
            color: var(--primary);
        }

        .channel-row {
            border-top: 1px solid var(--border-light);
            background: var(--bg-white);
            height: var(--nav-height-channel);
            display: flex;
            align-items: center;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.02em;
        }

        .channel-nav a:hover {
            color: var(--primary);
            background: rgba(232, 93, 4, 0.04);
        }

        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(232, 93, 4, 0.06);
        }

        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 50%;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, rgba(10, 77, 60, 0.92) 0%, rgba(6, 58, 45, 0.95) 40%, rgba(26, 26, 26, 0.9) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 80px 0 72px;
            color: #fff;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(232, 93, 4, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(0, 201, 167, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content {
            max-width: 560px;
        }

        .hero-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--accent-light);
            background: rgba(0, 201, 167, 0.15);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            border: 1px solid rgba(0, 201, 167, 0.25);
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 14px;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .hero-title .highlight {
            color: var(--primary-light);
            position: relative;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            max-width: 480px;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: scale(1.03);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: scale(1.03);
        }

        .hero-countdown-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            text-align: center;
        }

        .countdown-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.04em;
            margin-bottom: 10px;
            font-weight: 500;
        }

        .countdown-timer {
            display: flex;
            gap: 10px;
            justify-content: center;
            margin-bottom: 16px;
        }

        .countdown-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            min-width: 56px;
        }

        .countdown-num {
            font-family: var(--font-mono);
            font-size: 38px;
            font-weight: 700;
            color: #fff;
            background: rgba(232, 93, 4, 0.3);
            border-radius: var(--radius-md);
            padding: 6px 12px;
            line-height: 1;
            min-width: 56px;
            text-align: center;
        }

        .countdown-sep {
            font-size: 32px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
        }

        .countdown-text {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }

        .hero-subscribe-hint {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 6px;
        }

        .hero-subscribe-hint a {
            color: var(--accent-light);
            font-weight: 600;
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .hero-subscribe-hint a:hover {
            color: #fff;
        }

        /* ========== METRICS ========== */
        .metrics-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            border-left: 1px solid var(--border-light);
        }

        .metric-item {
            text-align: center;
            padding: 32px 20px;
            border-right: 1px solid var(--border-light);
            transition: background var(--transition-fast);
        }

        .metric-item:hover {
            background: var(--bg-light);
        }

        .metric-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .metric-value {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.2;
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
            letter-spacing: 0.02em;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-section {
            background: var(--bg-light);
        }

        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: #fff;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 15px;
        }

        .comparison-table thead th {
            background: var(--secondary-dark);
            color: #fff;
            padding: 16px 20px;
            font-weight: 600;
            text-align: center;
            font-size: 14px;
            letter-spacing: 0.03em;
        }

        .comparison-table thead th:first-child {
            text-align: left;
            padding-left: 24px;
            border-radius: var(--radius-lg) 0 0 0;
        }

        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }

        .comparison-table thead th.highlight-col {
            background: var(--primary);
            position: relative;
        }

        .comparison-table thead th.highlight-col::after {
            content: '推荐';
            position: absolute;
            top: -10px;
            right: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 10px;
            padding: 2px 8px;
            border-radius: 10px;
            letter-spacing: 0.04em;
        }

        .comparison-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            vertical-align: middle;
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            padding-left: 24px;
            font-weight: 500;
            color: var(--text-primary);
        }

        .comparison-table tbody tr:nth-child(even) {
            background: rgba(244, 244, 246, 0.5);
        }

        .comparison-table tbody tr:hover {
            background: rgba(232, 93, 4, 0.03);
        }

        .comparison-table .check-icon {
            color: var(--accent);
            font-size: 18px;
        }

        .comparison-table .cross-icon {
            color: #ccc;
            font-size: 16px;
        }

        .comparison-table .partial-icon {
            color: #f0ad4e;
            font-size: 16px;
        }

        .comparison-table .highlight-cell {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== ADVANTAGE CARDS ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .advantage-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 40px;
            background: var(--primary);
            border-radius: 0 0 4px 0;
            transition: height var(--transition-normal);
        }

        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .advantage-card:hover::before {
            height: 60px;
        }

        .advantage-icon {
            width: 48px;
            height: 48px;
            background: rgba(232, 93, 4, 0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 16px;
        }

        .advantage-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .advantage-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .deep-content-image {
            height: 100%;
            min-height: 380px;
            background: url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;
            position: relative;
        }

        .deep-content-image .image-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 77, 60, 0.3) 0%, rgba(232, 93, 4, 0.15) 100%);
        }

        .deep-content-text {
            padding: 40px 36px 40px 16px;
        }

        .deep-content-text h3 {
            font-family: var(--font-heading);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }

        .deep-content-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .deep-content-text .highlight-stat {
            display: inline-flex;
            align-items: baseline;
            gap: 6px;
            background: rgba(232, 93, 4, 0.06);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            color: var(--primary);
            font-size: 14px;
            margin-top: 8px;
        }

        .deep-content-text .highlight-stat .stat-num {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
        }

        /* ========== SCENARIO CARDS ========== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .scenario-card {
            display: flex;
            gap: 18px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            align-items: flex-start;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }

        .scenario-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: var(--secondary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            font-family: var(--font-mono);
        }

        .scenario-info h4 {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--text-primary);
        }

        .scenario-info p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            background: #fff;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-medium);
        }

        .faq-item summary {
            padding: 18px 20px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 13px;
            color: var(--text-muted);
            flex-shrink: 0;
            transition: all var(--transition-normal);
        }

        .faq-item[open] summary {
            color: var(--primary);
        }

        .faq-item[open] summary::after {
            content: '\f068';
            color: var(--primary);
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary-dark) 0%, var(--secondary) 50%, var(--secondary-dark) 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(232, 93, 4, 0.35) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .cta-text h2 {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .cta-text p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            max-width: 460px;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .cta-form .form-group {
            margin-bottom: 14px;
        }

        .cta-form input {
            width: 100%;
            padding: 13px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 15px;
            transition: all var(--transition-fast);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(0, 201, 167, 0.15);
            background: rgba(255, 255, 255, 0.15);
        }

        .cta-form .btn-submit {
            width: 100%;
            padding: 13px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
        }

        .cta-form .btn-submit:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
            box-shadow: var(--shadow-lg);
        }

        .cta-form .form-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 8px;
            text-align: center;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-light);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-light);
        }

        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom-links a {
            color: var(--text-light);
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-countdown-card {
                max-width: 420px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                border-left: none;
            }
            .metric-item {
                border-bottom: 1px solid var(--border-light);
            }
            .metric-item:nth-child(odd) {
                border-left: 1px solid var(--border-light);
            }
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-block {
                grid-template-columns: 1fr;
            }
            .deep-content-image {
                min-height: 260px;
            }
            .deep-content-text {
                padding: 28px 24px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .section-title {
                font-size: 26px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-total-height: 50px;
            }
            body {
                padding-top: var(--nav-total-height);
            }
            .brand-row {
                height: 50px;
                padding: 0 12px;
            }
            .brand-logo {
                font-size: 18px;
            }
            .brand-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
            .brand-actions {
                gap: 8px;
            }
            .brand-actions .search-btn,
            .brand-actions .user-btn {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }
            .channel-row {
                display: none;
                position: fixed;
                top: 50px;
                left: 0;
                width: 100%;
                height: auto;
                background: var(--bg-white);
                box-shadow: var(--shadow-lg);
                z-index: 999;
                max-height: 60vh;
                overflow-y: auto;
            }
            .channel-row.mobile-open {
                display: block;
            }
            .channel-nav {
                flex-direction: column;
                gap: 0;
                padding: 8px 12px;
            }
            .channel-nav a {
                padding: 12px 16px;
                width: 100%;
                border-radius: 0;
                border-bottom: 1px solid var(--border-light);
            }
            .channel-nav a.active::after {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex !important;
            }
            .hero-section {
                padding: 48px 0 40px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .countdown-num {
                font-size: 28px;
                min-width: 44px;
                padding: 4px 8px;
            }
            .countdown-sep {
                font-size: 24px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metric-value {
                font-size: 28px;
            }
            .advantage-grid {
                grid-template-columns: 1fr;
            }
            .comparison-table-wrap {
                border-radius: var(--radius-md);
            }
            .comparison-table {
                font-size: 13px;
                min-width: 560px;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
            }
            .section-padding {
                padding: 44px 0;
            }
            .section-padding-lg {
                padding: 56px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
            .container {
                padding: 0 16px;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn-primary,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metric-item {
                padding: 20px 12px;
            }
            .metric-value {
                font-size: 24px;
            }
            .countdown-timer {
                gap: 6px;
            }
            .countdown-num {
                font-size: 22px;
                min-width: 36px;
                padding: 3px 6px;
            }
            .countdown-sep {
                font-size: 18px;
            }
            .section-title {
                font-size: 22px;
            }
            .deep-content-text h3 {
                font-size: 20px;
            }
        }

        .mobile-menu-toggle {
            display: none;
            width: 34px;
            height: 34px;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 18px;
            cursor: pointer;
            transition: all var(--transition-fast);
            border: none;
        }

        .mobile-menu-toggle:hover {
            background: rgba(232, 93, 4, 0.1);
            color: var(--primary);
        }

/* roulang page: category6 */
:root {
            --primary: #E85D04;
            --primary-dark: #C44D03;
            --primary-light: #F97316;
            --secondary: #0A4D3C;
            --secondary-dark: #063A2D;
            --accent: #00C9A7;
            --accent-light: #00E6BF;
            --bg-light: #F4F4F6;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1A1A;
            --bg-darker: #111111;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #7A7A7A;
            --text-light: #9A9A9A;
            --text-on-dark: #E0E0E0;
            --border-light: #E5E5E8;
            --border-medium: #D0D0D5;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --radius-2xl: 28px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1240px;
            --nav-height-brand: 52px;
            --nav-height-channel: 44px;
            --nav-total-height: 96px;
        }
        :root {
            --nav-total-height: 50px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-white);
            overflow-x: hidden;
            padding-top: var(--nav-total-height);
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 72px 0;
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        .section-padding-lg {
            padding: 96px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(232, 93, 4, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
        }
        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: 0 1px 0 var(--border-light), 0 4px 16px rgba(0, 0, 0, 0.03);
            transition: transform var(--transition-normal);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-brand);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .brand-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .brand-actions .search-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .brand-actions .search-btn:hover {
            background: rgba(232, 93, 4, 0.1);
            color: var(--primary);
        }
        .brand-actions .user-btn {
            padding: 7px 16px;
            border-radius: 20px;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .brand-actions .user-btn:hover {
            background: var(--primary-dark);
            transform: scale(1.03);
        }
        .channel-row {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            height: var(--nav-height-channel);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .channel-row::-webkit-scrollbar {
            display: none;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            width: 100%;
            flex-wrap: nowrap;
        }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.02em;
        }
        .channel-nav a:hover {
            color: var(--primary);
            background: rgba(232, 93, 4, 0.04);
        }
        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(232, 93, 4, 0.08);
        }
        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        /* ========== HERO - 优惠券墙 ========== */
        .coupon-hero {
            background: linear-gradient(170deg, #f9fafb 0%, #f0f2f5 40%, #e8eaef 100%);
            padding: 56px 0 72px;
            position: relative;
            overflow: hidden;
        }
        .coupon-hero::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(232, 93, 4, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .coupon-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(10, 77, 60, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .coupon-hero-header {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
            z-index: 1;
        }
        .coupon-hero-header h1 {
            font-family: var(--font-heading);
            font-size: 38px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .coupon-hero-header h1 span {
            color: var(--primary);
        }
        .coupon-hero-header .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 500px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .coupon-wall {
            display: flex;
            align-items: stretch;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .coupon-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            text-align: center;
            cursor: pointer;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
            min-width: 200px;
            flex: 0 0 220px;
            border: 2px solid transparent;
        }
        .coupon-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: rgba(232, 93, 4, 0.2);
        }
        .coupon-card.coupon-main {
            flex: 0 0 340px;
            min-width: 300px;
            background: linear-gradient(145deg, #fff 0%, #fff8f4 100%);
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-lg), 0 0 0 8px rgba(232, 93, 4, 0.06);
            padding: 36px 28px;
            z-index: 2;
            transform: scale(1.04);
        }
        .coupon-card.coupon-main:hover {
            transform: scale(1.06) translateY(-4px);
            box-shadow: var(--shadow-xl), 0 0 0 12px rgba(232, 93, 4, 0.08);
        }
        .coupon-card .coupon-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.05em;
            margin-bottom: 14px;
        }
        .coupon-card.coupon-main .coupon-badge {
            background: var(--secondary);
            font-size: 13px;
            padding: 6px 16px;
            animation: pulse-badge 2s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(10, 77, 60, 0.4);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(10, 77, 60, 0);
            }
        }
        .coupon-card .coupon-value {
            font-family: var(--font-heading);
            font-size: 42px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .coupon-card.coupon-main .coupon-value {
            font-size: 56px;
            color: var(--secondary);
        }
        .coupon-card .coupon-value small {
            font-size: 18px;
            font-weight: 500;
        }
        .coupon-card .coupon-title {
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .coupon-card .coupon-desc {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .coupon-card .coupon-btn {
            display: inline-block;
            padding: 9px 22px;
            border-radius: 22px;
            font-size: 13px;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }
        .coupon-card .coupon-btn:hover {
            background: var(--primary-dark);
            transform: scale(1.04);
            color: #fff;
        }
        .coupon-card.coupon-main .coupon-btn {
            padding: 12px 30px;
            font-size: 15px;
            background: var(--secondary);
            border-radius: 24px;
        }
        .coupon-card.coupon-main .coupon-btn:hover {
            background: var(--secondary-dark);
        }
        .coupon-card .coupon-ribbon {
            position: absolute;
            top: 14px;
            right: -28px;
            background: var(--accent);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            padding: 3px 28px;
            transform: rotate(45deg);
            letter-spacing: 0.04em;
        }
        /* ========== 指标看板 ========== */
        .stats-dashboard {
            background: var(--bg-white);
            padding: 48px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .stats-dashboard .stat-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 93, 4, 0.15);
        }
        .stat-card .stat-icon {
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .stat-card .stat-number {
            font-family: var(--font-heading);
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
            transition: color var(--transition-normal);
        }
        .stat-card:hover .stat-number {
            color: var(--primary-dark);
        }
        .stat-card .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        /* ========== 工具矩阵 ========== */
        .tools-matrix {
            background: var(--bg-white);
            padding: 72px 0;
        }
        .tools-matrix .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .tools-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 20px;
        }
        .tool-card {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(232, 93, 4, 0.2);
        }
        .tool-card.tool-featured {
            background: linear-gradient(160deg, #fff 0%, #fef9f5 100%);
            border: 1px solid rgba(232, 93, 4, 0.2);
            grid-row: span 2;
        }
        .tool-card .tool-icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(232, 93, 4, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .tool-card.tool-featured .tool-icon-wrap {
            width: 56px;
            height: 56px;
            background: var(--primary);
            color: #fff;
            font-size: 26px;
        }
        .tool-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }
        .tool-card.tool-featured h3 {
            font-size: 22px;
        }
        .tool-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
            flex-grow: 1;
        }
        .tool-card .tool-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .tool-card .tool-tag {
            font-size: 11px;
            padding: 3px 10px;
            border-radius: 12px;
            background: rgba(0, 201, 167, 0.1);
            color: var(--secondary);
            font-weight: 500;
        }
        .tool-card .tool-link {
            font-weight: 600;
            font-size: 13px;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .tool-card .tool-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }
        /* ========== 对比表 ========== */
        .compare-section {
            background: var(--bg-dark);
            padding: 72px 0;
            color: var(--text-on-dark);
        }
        .compare-section .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .compare-section .section-title {
            color: #fff;
        }
        .compare-section .section-subtitle {
            color: #b0b0b0;
            margin: 0 auto;
        }
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            font-size: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .compare-table th {
            font-weight: 600;
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
            font-size: 15px;
        }
        .compare-table th:first-child {
            text-align: left;
            padding-left: 24px;
        }
        .compare-table td:first-child {
            text-align: left;
            font-weight: 500;
            padding-left: 24px;
            color: #ccc;
        }
        .compare-table .highlight-col {
            background: rgba(232, 93, 4, 0.12);
            color: #fff;
            font-weight: 600;
        }
        .compare-table .check-icon {
            color: var(--accent);
            font-size: 16px;
        }
        .compare-table .cross-icon {
            color: #888;
            font-size: 14px;
        }
        .compare-table tr:hover td {
            background: rgba(255, 255, 255, 0.03);
        }
        .compare-table .highlight-col.check-icon {
            color: var(--accent-light);
        }
        /* ========== 流程 ========== */
        .process-section {
            background: var(--bg-white);
            padding: 72px 0;
        }
        .process-section .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 12%;
            width: 76%;
            height: 2px;
            background: var(--border-medium);
            z-index: 0;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .process-step .step-circle {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--bg-white);
            border: 3px solid var(--border-medium);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 28px;
            font-weight: 700;
            color: var(--text-muted);
            transition: all var(--transition-normal);
            font-family: var(--font-heading);
        }
        .process-step:hover .step-circle {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 0 12px rgba(232, 93, 4, 0.06);
        }
        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }
        /* ========== 场景 ========== */
        .scenarios-section {
            background: var(--bg-light);
            padding: 72px 0;
        }
        .scenarios-section .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .scenario-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .scenario-card .scenario-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 16/10;
            background: var(--bg-light);
        }
        .scenario-card .scenario-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .scenario-card:hover .scenario-img img {
            transform: scale(1.05);
        }
        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }
        .scenario-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        /* ========== 深度内容 ========== */
        .deep-content {
            background: var(--bg-white);
            padding: 72px 0;
        }
        .deep-content .content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 56px;
        }
        .deep-content .content-block:last-child {
            margin-bottom: 0;
        }
        .deep-content .content-block.reverse {
            direction: rtl;
        }
        .deep-content .content-block.reverse .content-text {
            direction: ltr;
        }
        .deep-content .content-text h2 {
            font-family: var(--font-heading);
            font-size: 26px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .deep-content .content-text p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .deep-content .content-text .content-highlight {
            background: rgba(232, 93, 4, 0.05);
            border-left: 3px solid var(--primary);
            padding: 14px 18px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-size: 14px;
            color: var(--text-primary);
            font-weight: 500;
            margin: 16px 0;
        }
        .deep-content .content-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/3;
            background: var(--bg-light);
        }
        .deep-content .content-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .deep-content .content-img:hover img {
            transform: scale(1.03);
        }
        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-light);
            padding: 72px 0;
        }
        .faq-section .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(232, 93, 4, 0.2);
        }
        .faq-question {
            width: 100%;
            padding: 18px 20px;
            text-align: left;
            background: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            border: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-normal);
            font-size: 14px;
            color: var(--text-muted);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--secondary) 0%, var(--secondary-dark) 100%);
            padding: 64px 0;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: 28px;
            border: 2px solid transparent;
            font-size: 15px;
            background: #fff;
            color: var(--text-primary);
            transition: all var(--transition-fast);
        }
        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 8px rgba(0, 201, 167, 0.15);
        }
        .cta-form button {
            padding: 13px 28px;
            border-radius: 28px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .cta-form button:hover {
            background: var(--primary-light);
            transform: scale(1.04);
            box-shadow: 0 6px 20px rgba(232, 93, 4, 0.4);
        }
        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
        }
        .footer-desc {
            font-size: 13px;
            color: #999;
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: #999;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: #777;
        }
        .footer-bottom-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-bottom-links a {
            color: #999;
            font-size: 12px;
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }
        .footer-bottom-links span {
            color: #666;
            font-size: 12px;
        }
        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .coupon-card.coupon-main {
                flex: 0 0 280px;
                min-width: 260px;
            }
            .coupon-card {
                flex: 0 0 180px;
                min-width: 160px;
                padding: 20px 16px;
            }
            .coupon-card .coupon-value {
                font-size: 32px;
            }
            .coupon-card.coupon-main .coupon-value {
                font-size: 44px;
            }
            .tools-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tool-card.tool-featured {
                grid-column: span 2;
                grid-row: auto;
            }
            .stats-dashboard .stat-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps::before {
                display: none;
            }
            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content .content-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .deep-content .content-block.reverse {
                direction: ltr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section-padding {
                padding: 44px 0;
            }
            .section-padding-lg {
                padding: 56px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .coupon-hero-header h1 {
                font-size: 28px;
            }
            .coupon-wall {
                flex-direction: column;
                align-items: center;
                gap: 14px;
            }
            .coupon-card {
                flex: 0 0 auto;
                width: 100%;
                max-width: 360px;
                min-width: auto;
            }
            .coupon-card.coupon-main {
                flex: 0 0 auto;
                width: 100%;
                max-width: 380px;
                min-width: auto;
                transform: scale(1);
            }
            .coupon-card.coupon-main:hover {
                transform: scale(1.02) translateY(-3px);
            }
            .stats-dashboard .stat-cards {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card .stat-number {
                font-size: 30px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .tool-card.tool-featured {
                grid-column: span 1;
            }
            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
                font-size: 12px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .scenarios-grid {
                grid-template-columns: 1fr;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                max-width: 360px;
            }
            .cta-form button {
                width: 100%;
                max-width: 360px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom-links {
                justify-content: center;
                gap: 10px;
            }
            .brand-row {
                padding: 0 12px;
            }
            .channel-nav {
                gap: 2px;
                padding: 0 8px;
            }
            .channel-nav a {
                padding: 6px 10px;
                font-size: 12px;
            }
            .brand-logo {
                font-size: 18px;
            }
            .brand-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .coupon-hero-header h1 {
                font-size: 24px;
            }
            .coupon-card .coupon-value {
                font-size: 28px;
            }
            .coupon-card.coupon-main .coupon-value {
                font-size: 36px;
            }
            .stat-card {
                padding: 18px 12px;
            }
            .stat-card .stat-number {
                font-size: 26px;
            }
            .section-title {
                font-size: 22px;
            }
            .compare-table-wrap {
                border-radius: var(--radius-md);
            }
            .brand-actions .user-btn {
                padding: 5px 10px;
                font-size: 11px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #E85D04;
            --primary-dark: #C44D03;
            --primary-light: #F97316;
            --secondary: #0A4D3C;
            --secondary-dark: #063A2D;
            --accent: #00C9A7;
            --accent-light: #00E6BF;
            --bg-light: #F4F4F6;
            --bg-white: #FFFFFF;
            --bg-dark: #1A1A1A;
            --bg-darker: #111111;
            --text-primary: #1A1A1A;
            --text-secondary: #4A4A4A;
            --text-muted: #7A7A7A;
            --text-light: #9A9A9A;
            --text-on-dark: #E0E0E0;
            --border-light: #E5E5E8;
            --border-medium: #D0D0D5;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14);
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --radius-2xl: 28px;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1240px;
            --nav-height-brand: 52px;
            --nav-height-channel: 44px;
            --nav-total-height: 96px;
        }

        :root {
            --nav-total-height: 50px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-primary);
            background-color: var(--bg-white);
            overflow-x: hidden;
            padding-top: var(--nav-total-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 72px 0;
        }

        .section-padding-sm {
            padding: 48px 0;
        }

        .section-padding-lg {
            padding: 96px 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(232, 93, 4, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 640px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: 0 1px 0 var(--border-light), 0 4px 16px rgba(0, 0, 0, 0.03);
            transition: transform var(--transition-normal);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-brand);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .brand-logo {
            font-family: var(--font-heading);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .brand-actions .search-btn,
        .brand-actions .user-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            font-size: 15px;
        }

        .brand-actions .search-btn:hover,
        .brand-actions .user-btn:hover {
            background: var(--primary);
            color: #fff;
        }

        .channel-row {
            border-top: 1px solid var(--border-light);
            background: var(--bg-white);
            height: var(--nav-height-channel);
            display: flex;
            align-items: center;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .channel-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .channel-nav a:hover {
            color: var(--primary);
            background: rgba(232, 93, 4, 0.04);
        }

        .channel-nav a.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(232, 93, 4, 0.06);
        }

        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .mobile-menu-toggle {
            display: none;
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 18px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #0A1F1A 0%, #0D3328 30%, #0A4D3C 65%, #063A2D 100%);
            padding: 80px 0 72px;
            overflow: hidden;
            min-height: 500px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.22;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0) 100%);
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 60px;
            background: linear-gradient(to top, var(--bg-white) 0%, transparent 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1;
            min-width: 300px;
        }

        .hero-badge {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: var(--accent);
            background: rgba(0, 201, 167, 0.12);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            border: 1px solid rgba(0, 201, 167, 0.2);
        }

        .hero-title {
            font-family: var(--font-heading);
            font-size: 42px;
            font-weight: 700;
            line-height: 1.2;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .hero-title span {
            color: var(--accent);
        }

        .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            max-width: 500px;
            margin-bottom: 28px;
        }

        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 14px;
        }

        .hero-stat-item .stat-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(0, 201, 167, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(0, 201, 167, 0);
            }
        }

        .hero-group-card {
            flex: 0 0 380px;
            max-width: 420px;
            min-width: 340px;
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            padding: 32px 28px 28px;
            box-shadow: var(--shadow-xl);
            position: relative;
            z-index: 3;
        }

        .group-card-header {
            text-align: center;
            margin-bottom: 20px;
        }

        .group-card-header .group-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            color: #fff;
            font-size: 22px;
        }

        .group-card-header h3 {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .group-card-header .group-subtitle {
            font-size: 13px;
            color: var(--text-muted);
        }

        .group-progress {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 16px;
            margin-bottom: 18px;
            text-align: center;
        }

        .group-progress .progress-avatars {
            display: flex;
            justify-content: center;
            gap: 6px;
            margin-bottom: 10px;
        }

        .progress-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 600;
        }

        .progress-avatar.placeholder {
            background: var(--border-medium);
            color: var(--text-muted);
        }

        .group-progress .progress-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .group-progress .progress-text strong {
            color: var(--primary);
            font-size: 18px;
        }

        .group-price-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .group-price-row .original-price {
            font-size: 15px;
            color: var(--text-muted);
            text-decoration: line-through;
        }

        .group-price-row .group-price {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-mono);
        }

        .group-price-row .price-unit {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .group-buttons {
            display: flex;
            gap: 10px;
        }

        .btn-group-start {
            flex: 1;
            padding: 12px 20px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            text-align: center;
            letter-spacing: 0.03em;
        }

        .btn-group-start:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: scale(1.03);
            box-shadow: var(--shadow-lg);
        }

        .btn-group-join {
            flex: 1;
            padding: 12px 20px;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--primary);
            transition: all var(--transition-fast);
            text-align: center;
            letter-spacing: 0.03em;
        }

        .btn-group-join:hover {
            background: rgba(232, 93, 4, 0.06);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-section {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
        }

        .metric-card {
            padding: 28px 24px;
            text-align: center;
            border-right: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            position: relative;
        }

        .metric-card:last-child {
            border-right: none;
        }

        .metric-card:hover {
            background: var(--bg-light);
        }

        .metric-number {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }

        .metric-card:hover .metric-number {
            color: var(--primary-dark);
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .metric-change {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(0, 201, 167, 0.1);
            padding: 2px 8px;
            border-radius: 10px;
            margin-top: 4px;
        }

        /* ========== TOOLS SHOWCASE ========== */
        .tools-showcase {
            background: var(--bg-light);
        }

        .tools-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 0.8fr;
            gap: 20px;
            margin-top: 32px;
        }

        .tool-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .tool-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .tool-card.featured {
            grid-row: span 2;
            background: linear-gradient(180deg, #FFFFFF 0%, #FFF8F3 100%);
            border-color: rgba(232, 93, 4, 0.15);
        }

        .tool-card .tool-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .tool-card.featured .tool-icon {
            background: var(--primary);
            color: #fff;
            width: 56px;
            height: 56px;
            font-size: 26px;
        }

        .tool-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0;
        }

        .tool-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        .tool-card .tool-img-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-top: auto;
        }

        .tool-card .tool-img-wrap img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-md);
            transition: transform var(--transition-slow);
        }

        .tool-card:hover .tool-img-wrap img {
            transform: scale(1.04);
        }

        .tool-meta {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .tool-tag {
            font-size: 11px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            background: rgba(232, 93, 4, 0.07);
            color: var(--primary);
            letter-spacing: 0.03em;
        }

        .tool-tag.green {
            background: rgba(0, 201, 167, 0.1);
            color: #008066;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            background: var(--bg-white);
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 0;
            margin-top: 36px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .matrix-cell {
            padding: 24px 20px;
            border-right: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-fast);
        }

        .matrix-cell:nth-child(3n) {
            border-right: none;
        }

        .matrix-cell:hover {
            background: rgba(232, 93, 4, 0.02);
        }

        .matrix-cell .matrix-icon {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .matrix-cell h4 {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .matrix-cell p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-section {
            background: var(--bg-light);
        }

        .comparison-table-wrap {
            overflow-x: auto;
            margin-top: 28px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-width: 700px;
        }

        .comparison-table thead th {
            background: var(--secondary);
            color: #fff;
            padding: 16px 18px;
            font-size: 14px;
            font-weight: 600;
            text-align: center;
            letter-spacing: 0.03em;
        }

        .comparison-table thead th:first-child {
            text-align: left;
            background: var(--secondary-dark);
            padding-left: 24px;
        }

        .comparison-table thead th.highlight-col {
            background: var(--primary);
            font-size: 15px;
            position: relative;
        }

        .comparison-table thead th.highlight-col::after {
            content: '推荐';
            position: absolute;
            top: -8px;
            right: 10px;
            font-size: 10px;
            background: var(--accent);
            color: #fff;
            padding: 2px 8px;
            border-radius: 10px;
            letter-spacing: 0.04em;
        }

        .comparison-table tbody td {
            padding: 14px 18px;
            font-size: 14px;
            color: var(--text-secondary);
            text-align: center;
            border-bottom: 1px solid var(--border-light);
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text-primary);
            padding-left: 24px;
        }

        .comparison-table tbody tr:nth-child(even) {
            background: rgba(244, 244, 246, 0.5);
        }

        .comparison-table .check-icon {
            color: var(--accent);
            font-size: 16px;
        }

        .comparison-table .cross-icon {
            color: #ccc;
            font-size: 14px;
        }

        .comparison-table .highlight-col-cell {
            background: rgba(232, 93, 4, 0.03);
            font-weight: 500;
        }

        /* ========== WORKFLOW ========== */
        .workflow-section {
            background: var(--bg-white);
        }

        .workflow-steps {
            display: flex;
            gap: 0;
            margin-top: 32px;
            position: relative;
            flex-wrap: wrap;
        }

        .workflow-step {
            flex: 1;
            min-width: 180px;
            text-align: center;
            padding: 20px 16px;
            position: relative;
        }

        .workflow-step::after {
            content: '';
            position: absolute;
            top: 40px;
            right: -10px;
            width: 20px;
            height: 2px;
            background: var(--border-medium);
        }

        .workflow-step:last-child::after {
            display: none;
        }

        .step-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            border: 2px solid var(--border-light);
            transition: all var(--transition-normal);
            font-family: var(--font-mono);
        }

        .workflow-step:hover .step-circle {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: scale(1.06);
        }

        .workflow-step h4 {
            font-family: var(--font-heading);
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .workflow-step p {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== DATA SHOWCASE ========== */
        .data-showcase {
            background: var(--bg-dark);
            color: #fff;
        }

        .data-showcase .section-title {
            color: #fff;
        }

        .data-showcase .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .data-demo-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 32px;
        }

        .data-demo-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-normal);
        }

        .data-demo-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .data-demo-card .demo-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .data-demo-card .demo-title {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            color: #fff;
        }

        .data-demo-card .demo-badge {
            font-size: 11px;
            padding: 4px 10px;
            border-radius: 12px;
            background: rgba(0, 201, 167, 0.2);
            color: var(--accent-light);
            font-weight: 600;
        }

        .demo-chart-placeholder {
            height: 140px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            display: flex;
            align-items: flex-end;
            gap: 8px;
            padding: 16px;
            margin-bottom: 14px;
        }

        .demo-bar {
            flex: 1;
            border-radius: 4px 4px 0 0;
            background: linear-gradient(to top, var(--primary), var(--primary-light));
            transition: height var(--transition-slow);
            min-height: 20px;
        }

        .demo-bar:nth-child(odd) {
            background: linear-gradient(to top, var(--accent), var(--accent-light));
        }

        .demo-bar:nth-child(3) {
            background: linear-gradient(to top, var(--secondary), #0D6650);
        }

        .demo-stats-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .demo-stat-mini {
            flex: 1;
            text-align: center;
        }

        .demo-stat-mini .mini-num {
            font-family: var(--font-mono);
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-light);
        }

        .demo-stat-mini .mini-label {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 800px;
            margin: 28px auto 0;
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--border-medium);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-primary);
            background: var(--bg-white);
            transition: background var(--transition-fast);
            user-select: none;
            gap: 12px;
        }

        .faq-question:hover {
            background: var(--bg-light);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--text-muted);
            transition: all var(--transition-normal);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            background: var(--bg-white);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
            color: #fff;
            text-align: center;
        }

        .cta-section .section-title {
            color: #fff;
        }

        .cta-section .section-subtitle {
            color: rgba(255, 255, 255, 0.75);
            margin: 0 auto;
        }

        .cta-form-wrap {
            max-width: 520px;
            margin: 28px auto 0;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            font-size: 15px;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .cta-input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.16);
            box-shadow: 0 0 0 6px rgba(0, 201, 167, 0.12);
            outline: none;
        }

        .btn-cta-submit {
            padding: 14px 32px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .btn-cta-submit:hover {
            background: var(--primary-light);
            transform: scale(1.04);
            box-shadow: var(--shadow-lg);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            font-family: var(--font-heading);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-light);
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 20px 0;
            font-size: 12px;
            color: var(--text-light);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .footer-bottom-links a {
            color: var(--text-light);
            font-size: 12px;
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        .footer-bottom-links span {
            color: var(--text-light);
            font-size: 12px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content {
                flex-direction: column;
                gap: 32px;
            }
            .hero-group-card {
                flex: 0 0 auto;
                max-width: 100%;
                min-width: auto;
                width: 100%;
            }
            .hero-title {
                font-size: 34px;
            }
            .tools-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tools-grid .tool-card.featured {
                grid-column: span 2;
                grid-row: span 1;
            }
            .matrix-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-card:nth-child(2n) {
                border-right: none;
            }
            .metric-card {
                border-bottom: 1px solid var(--border-light);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-demo-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
            .section-padding {
                padding: 44px 0;
            }
            .section-padding-lg {
                padding: 56px 0;
            }
            .section-padding-sm {
                padding: 32px 0;
            }
            .container {
                padding: 0 16px;
            }
            .hero-section {
                padding: 48px 0 44px;
                min-height: auto;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-group-card {
                padding: 24px 18px 22px;
            }
            .hero-stats-row {
                gap: 14px;
            }
            .channel-nav {
                gap: 2px;
                padding: 0 12px;
            }
            .channel-nav a {
                padding: 6px 10px;
                font-size: 12px;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .channel-row {
                position: fixed;
                top: var(--nav-height-brand);
                left: 0;
                width: 100%;
                height: auto;
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-normal);
                background: var(--bg-white);
                box-shadow: var(--shadow-md);
                z-index: 999;
                flex-direction: column;
            }
            .channel-row.open {
                max-height: 400px;
            }
            .channel-nav {
                flex-direction: column;
                align-items: stretch;
                padding: 8px 16px;
                gap: 2px;
            }
            .channel-nav a {
                padding: 10px 14px;
                border-radius: var(--radius-sm);
                font-size: 14px;
            }
            .channel-nav a.active::after {
                display: none;
            }
            .tools-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .tools-grid .tool-card.featured {
                grid-column: span 1;
            }
            .matrix-grid {
                grid-template-columns: 1fr;
            }
            .matrix-cell {
                border-right: none;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .workflow-steps {
                flex-direction: column;
                gap: 10px;
            }
            .workflow-step::after {
                display: none;
            }
            .workflow-step {
                flex-direction: row;
                text-align: left;
                display: flex;
                align-items: center;
                gap: 16px;
                padding: 12px 0;
            }
            .workflow-step .step-circle {
                margin: 0;
                flex-shrink: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-form-wrap {
                flex-direction: column;
            }
            .btn-cta-submit {
                width: 100%;
            }
            .comparison-table-wrap {
                font-size: 12px;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 8px;
                font-size: 12px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .hero-group-card {
                padding: 18px 14px 16px;
            }
            .group-buttons {
                flex-direction: column;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .metric-card {
                border-right: none;
                border-bottom: 1px solid var(--border-light);
            }
            .metric-card:last-child {
                border-bottom: none;
            }
            .section-title {
                font-size: 22px;
            }
            .group-price-row .group-price {
                font-size: 24px;
            }
        }