/* roulang page: index */
:root {
            --color-primary: #1E6EEB;
            --color-secondary: #FF6B35;
            --color-success: #2ECC71;
            --color-text-primary: #333333;
            --color-text-secondary: #666666;
            --color-border: #E8E9EB;
            --color-bg-light: #F8F9FA;
            --color-bg-dark: #1A1D28;
            --color-footer-text: #B0B7C3;
            --border-radius: 0.75rem;
            --border-radius-sm: 0.5rem;
            --box-shadow: 0 8px 30px rgba(30, 110, 235, 0.08);
            --box-shadow-hover: 0 12px 40px rgba(30, 110, 235, 0.12);
            --spacing-section: 5rem;
            --transition-default: all 0.3s ease;
        }

        /* Override Bootstrap Variables */
        :root {
            --bs-primary: var(--color-primary);
            --bs-secondary: var(--color-secondary);
            --bs-success: var(--color-success);
            --bs-border-radius: var(--border-radius);
            --bs-border-radius-sm: var(--border-radius-sm);
            --bs-box-shadow: var(--box-shadow);
        }

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

        body {
            font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 1rem;
            line-height: 1.6;
            color: var(--color-text-primary);
            background-color: #ffffff;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition-default);
        }

        a:hover {
            color: #0d5bc5;
        }

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        /* Layout & Containers */
        .container {
            max-width: 1200px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        section {
            padding-top: var(--spacing-section);
            padding-bottom: var(--spacing-section);
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background-color: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--color-border);
            padding: 1rem 0;
        }

        .navbar-brand {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
        }

        .navbar-brand span {
            color: var(--color-secondary);
        }

        .main-nav {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.5rem 1.25rem;
            border-radius: 2rem;
            background-color: transparent;
            color: var(--color-text-secondary);
            font-weight: 500;
            border: none;
            transition: var(--transition-default);
        }

        .nav-chip:hover,
        .nav-chip.active {
            background-color: var(--color-primary);
            color: white;
        }

        .nav-chip.active {
            font-weight: 600;
        }

        .header-cta .btn-primary {
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: var(--border-radius);
            background-color: var(--color-secondary);
            border: none;
        }

        .header-cta .btn-primary:hover {
            background-color: #E55A2B;
            transform: translateY(-2px);
        }

        /* Mobile Nav */
        @media (max-width: 768px) {
            .site-header .container {
                flex-wrap: wrap;
            }
            .main-nav {
                order: 3;
                width: 100%;
                margin-top: 1rem;
                overflow-x: auto;
                justify-content: flex-start;
                padding-bottom: 0.5rem;
            }
            .header-cta {
                margin-left: auto;
            }
        }

        /* Hero Section */
        .hero-section {
            min-height: 90vh;
            display: flex;
            align-items: center;
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('/assets/images/backpic/back-1.webp') no-repeat center center / cover;
            color: white;
            padding-top: calc(var(--spacing-section) * 2);
            padding-bottom: calc(var(--spacing-section) * 2);
        }

        .hero-content h1 {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        .hero-content .lead {
            font-size: 1.5rem;
            margin-bottom: 2.5rem;
            color: rgba(255, 255, 255, 0.9);
        }

        .hero-cta .btn {
            font-size: 1.125rem;
            padding: 1rem 2.5rem;
            border-radius: var(--border-radius);
        }

        .hero-cta .btn-outline-light {
            border-width: 2px;
            margin-left: 1rem;
        }

        @media (max-width: 768px) {
            .hero-content h1 {
                font-size: 2.5rem;
            }
            .hero-content .lead {
                font-size: 1.25rem;
            }
            .hero-cta {
                display: flex;
                flex-direction: column;
                gap: 1rem;
            }
            .hero-cta .btn-outline-light {
                margin-left: 0;
            }
        }

        /* Stats Dashboard */
        .stats-section {
            background-color: var(--color-bg-light);
        }

        .stats-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .stats-title h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 1rem;
        }

        .stats-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--box-shadow);
            height: 100%;
            transition: var(--transition-default);
            border-left: 4px solid var(--color-primary);
        }

        .stats-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--box-shadow-hover);
        }

        .stats-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 0.5rem;
        }

        .stats-label {
            font-size: 1.125rem;
            color: var(--color-text-secondary);
            margin-bottom: 1rem;
        }

        .stats-trend {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--color-success);
            font-weight: 600;
        }

        /* Services Matrix */
        .services-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .services-title h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 1rem;
        }

        .service-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 2.5rem 2rem;
            box-shadow: var(--box-shadow);
            height: 100%;
            transition: var(--transition-default);
            text-align: center;
            border-top: 4px solid transparent;
        }

        .service-card.featured {
            border-top-color: var(--color-secondary);
            transform: scale(1.05);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--box-shadow-hover);
        }

        .service-card.featured:hover {
            transform: scale(1.05) translateY(-8px);
        }

        .service-icon {
            font-size: 3rem;
            color: var(--color-primary);
            margin-bottom: 1.5rem;
        }

        .service-card h3 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--color-text-primary);
        }

        .service-card p {
            color: var(--color-text-secondary);
            margin-bottom: 1.5rem;
        }

        @media (max-width: 992px) {
            .service-card.featured {
                transform: none;
                margin-top: 2rem;
                margin-bottom: 2rem;
            }
            .service-card.featured:hover {
                transform: translateY(-8px);
            }
        }

        /* Case Study */
        .case-section {
            background-color: var(--color-bg-light);
        }

        .case-content h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 2rem;
            color: var(--color-text-primary);
        }

        .nav-pills .nav-link {
            background: white;
            color: var(--color-text-primary);
            border-radius: var(--border-radius-sm);
            padding: 1rem 1.5rem;
            margin-bottom: 0.75rem;
            text-align: left;
            border: 1px solid var(--color-border);
            transition: var(--transition-default);
        }

        .nav-pills .nav-link:hover {
            border-color: var(--color-primary);
        }

        .nav-pills .nav-link.active {
            background-color: var(--color-primary);
            color: white;
            border-color: var(--color-primary);
        }

        .case-tab-content {
            background: white;
            border-radius: var(--border-radius);
            padding: 2.5rem;
            box-shadow: var(--box-shadow);
        }

        .case-tab-content h3 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .case-tab-content p {
            color: var(--color-text-secondary);
            margin-bottom: 1.5rem;
        }

        .case-metrics {
            display: flex;
            gap: 2rem;
            margin-top: 2rem;
        }

        .metric-item h4 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-success);
            margin-bottom: 0.25rem;
        }

        .metric-item p {
            color: var(--color-text-secondary);
            margin: 0;
        }

        @media (max-width: 768px) {
            .case-metrics {
                flex-direction: column;
                gap: 1.5rem;
            }
        }

        /* FAQ */
        .faq-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .faq-title h2 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 1rem;
        }

        .accordion-item {
            background-color: var(--color-bg-light);
            border: 1px solid var(--color-border);
            border-radius: var(--border-radius-sm) !important;
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .accordion-button {
            background-color: var(--color-bg-light);
            color: var(--color-text-primary);
            font-weight: 600;
            font-size: 1.125rem;
            padding: 1.5rem;
        }

        .accordion-button:not(.collapsed) {
            background-color: var(--color-primary);
            color: white;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 0.25rem rgba(30, 110, 235, 0.25);
        }

        .accordion-body {
            background-color: white;
            color: var(--color-text-secondary);
            padding: 1.5rem;
        }

        /* CTA Form */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #0d5bc5 100%);
            color: white;
        }

        .cta-content h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }

        .cta-content p {
            font-size: 1.25rem;
            opacity: 0.9;
            margin-bottom: 2.5rem;
        }

        .cta-form .form-control,
        .cta-form .form-select {
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: white;
            border-radius: var(--border-radius-sm);
            padding: 0.875rem 1.25rem;
        }

        .cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .cta-form .form-control:focus,
        .cta-form .form-select:focus {
            background-color: rgba(255, 255, 255, 0.15);
            border-color: white;
            box-shadow: 0 0 0 0.25rem rgba(255, 255, 255, 0.25);
            color: white;
        }

        .cta-form .btn-light {
            background-color: white;
            color: var(--color-primary);
            font-weight: 600;
            padding: 1rem 2.5rem;
            border-radius: var(--border-radius);
            border: none;
        }

        .cta-form .btn-light:hover {
            background-color: #f0f0f0;
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background-color: var(--color-bg-dark);
            color: var(--color-footer-text);
            padding-top: 4rem;
            padding-bottom: 2rem;
        }

        .footer-brand {
            font-size: 1.75rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1.5rem;
        }

        .footer-about p {
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }

        .footer-links h4,
        .footer-contact h4 {
            color: white;
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
        }

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

        .footer-links li {
           margin-bottom: 0.75rem;
        }

        .footer-links a {
            color: var(--color-footer-text);
            transition: var(--transition-default);
        }

        .footer-links a:hover {
            color: white;
            padding-left: 0.5rem;
        }

        .footer-contact p {
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .footer-contact i {
            width: 1.25rem;
            color: var(--color-secondary);
        }

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.5rem;
            height: 2.5rem;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            transition: var(--transition-default);
        }

        .social-links a:hover {
            background-color: var(--color-primary);
            transform: translateY(-3px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 3rem;
            padding-top: 2rem;
            text-align: center;
            font-size: 0.875rem;
        }

        /* Utility Classes */
        .text-gradient {
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn-primary-custom {
            background-color: var(--color-secondary);
            border-color: var(--color-secondary);
            color: white;
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: var(--border-radius);
            transition: var(--transition-default);
        }

        .btn-primary-custom:hover {
            background-color: #E55A2B;
            border-color: #E55A2B;
            transform: translateY(-2px);
        }

        .btn-outline-custom {
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background-color: transparent;
            font-weight: 600;
            padding: 0.75rem 2rem;
            border-radius: var(--border-radius);
            transition: var(--transition-default);
        }

        .btn-outline-custom:hover {
            background-color: rgba(30, 110, 235, 0.05);
            transform: translateY(-2px);
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 1rem;
            text-align: center;
        }

        .section-subtitle {
            font-size: 1.25rem;
            color: var(--color-text-secondary);
            text-align: center;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            margin-bottom: 3rem;
        }

        @media (max-width: 768px) {
            section {
                padding-top: 3rem;
                padding-bottom: 3rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .section-subtitle {
                font-size: 1.125rem;
            }
            .stats-number {
                font-size: 2.75rem;
            }
            .service-card,
            .case-tab-content {
                padding: 2rem 1.5rem;
            }
        }

/* roulang page: category1 */
:root {
        /* 主色彩系统 */
        --primary-color: #1E6EEB;
        --primary-hover: #1558C7;
        --secondary-color: #FF6B35;
        --secondary-hover: #E55A2B;
        --success-color: #2ECC71;
        --success-hover: #25A55A;
        --text-primary: #333333;
        --text-secondary: #666666;
        --text-muted: #999999;
        --bg-light: #FFFFFF;
        --bg-alt: #F8F9FA;
        --bg-dark: #1A1D28;
        --border-color: #E8E9EB;
        --border-radius: 0.75rem;
        --border-radius-sm: 0.5rem;
        --border-radius-lg: 1rem;
        --box-shadow: 0 8px 30px rgba(30, 110, 235, 0.08);
        --box-shadow-hover: 0 12px 40px rgba(30, 110, 235, 0.12);
        --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        --spacing-section: 5rem;
        --spacing-container: 2rem;
    }

    /* 基础重置与全局样式 */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    body {
        font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        color: var(--text-primary);
        line-height: 1.6;
        background-color: var(--bg-light);
        overflow-x: hidden;
    }

    h1, h2, h3, h4, h5, h6 {
        font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
        font-weight: 600;
        line-height: 1.3;
        margin-bottom: 1rem;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }
    p { margin-bottom: 1rem; }

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

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

    img {
        max-width: 100%;
        height: auto;
        vertical-align: middle;
    }

    /* 覆盖Bootstrap变量 */
    .btn-primary {
        --bs-btn-bg: var(--secondary-color);
        --bs-btn-border-color: var(--secondary-color);
        --bs-btn-hover-bg: var(--secondary-hover);
        --bs-btn-hover-border-color: var(--secondary-hover);
        --bs-btn-active-bg: var(--secondary-hover);
        --bs-btn-active-border-color: var(--secondary-hover);
        --bs-btn-border-radius: var(--border-radius);
        font-weight: 600;
        padding: 0.75rem 2rem;
        border: none;
    }

    .btn-outline-primary {
        --bs-btn-color: var(--primary-color);
        --bs-btn-border-color: var(--primary-color);
        --bs-btn-hover-bg: rgba(30, 110, 235, 0.05);
        --bs-btn-hover-border-color: var(--primary-hover);
        --bs-btn-active-bg: rgba(30, 110, 235, 0.1);
        --bs-btn-border-radius: var(--border-radius);
        font-weight: 500;
        padding: 0.75rem 2rem;
    }

    .form-control {
        border-radius: var(--border-radius-sm);
        border: 1px solid var(--border-color);
        padding: 0.75rem 1rem;
        transition: var(--transition);
    }

    .form-control:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 0.25rem rgba(30, 110, 235, 0.15);
    }

    /* 布局容器 */
    .container {
        max-width: 1200px;
        padding-left: var(--spacing-container);
        padding-right: var(--spacing-container);
    }

    .section-padding {
        padding-top: var(--spacing-section);
        padding-bottom: var(--spacing-section);
    }

    /* 导航样式 - 复用首页结构 */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background-color: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        padding: 1.25rem 0;
        transition: var(--transition);
    }

    .navbar-brand {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--primary-color) !important;
        display: inline-flex;
        align-items: center;
        gap: 0.75rem;
    }

    .navbar-brand i {
        font-size: 1.75rem;
    }

    .navbar-brand:hover {
        color: var(--primary-hover) !important;
    }

    .main-nav {
        display: flex;
        gap: 1rem;
    }

    .nav-chip {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 0.5rem 1.25rem;
        border-radius: 2rem;
        font-weight: 500;
        color: var(--text-secondary);
        background-color: transparent;
        border: 1px solid transparent;
        transition: var(--transition);
    }

    .nav-chip:hover {
        color: var(--primary-color);
        background-color: rgba(30, 110, 235, 0.05);
        border-color: rgba(30, 110, 235, 0.1);
    }

    .nav-chip.active {
        color: #FFFFFF;
        background-color: var(--primary-color);
        border-color: var(--primary-color);
    }

    .header-cta .btn-primary {
        padding: 0.75rem 1.75rem;
    }

    /* 移动端导航适配 */
    @media (max-width: 768px) {
        .site-header {
            padding: 1rem 0;
        }
        .main-nav {
            gap: 0.5rem;
            overflow-x: auto;
            padding-bottom: 0.5rem;
        }
        .nav-chip {
            white-space: nowrap;
            padding: 0.4rem 1rem;
            font-size: 0.9rem;
        }
        .header-cta .btn-primary {
            padding: 0.5rem 1.25rem;
            font-size: 0.9rem;
        }
    }

    /* 分类页Hero */
    .category-hero {
        position: relative;
        background: linear-gradient(135deg, rgba(30, 110, 235, 0.1) 0%, rgba(255, 107, 53, 0.05) 100%), var(--bg-light);
        padding: 4rem 0;
        margin-bottom: var(--spacing-section);
    }

    .category-hero .container {
        position: relative;
        z-index: 2;
    }

    .breadcrumb {
        background: none;
        padding: 0;
        margin-bottom: 1.5rem;
    }

    .breadcrumb-item a {
        color: var(--text-secondary);
    }

    .breadcrumb-item.active {
        color: var(--text-primary);
    }

    .breadcrumb-item + .breadcrumb-item::before {
        color: var(--text-muted);
    }

    .hero-title {
        font-size: 2.5rem;
        margin-bottom: 1.5rem;
        background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero-description {
        font-size: 1.25rem;
        color: var(--text-secondary);
        max-width: 800px;
        margin-bottom: 2.5rem;
    }

    /* 服务优势展示 */
    .advantages-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 2rem;
        margin-bottom: var(--spacing-section);
    }

    .advantage-card {
        background: var(--bg-light);
        border-radius: var(--border-radius);
        padding: 2.5rem 2rem;
        box-shadow: var(--box-shadow);
        border: 1px solid var(--border-color);
        transition: var(--transition);
        height: 100%;
    }

    .advantage-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--box-shadow-hover);
        border-color: var(--primary-color);
    }

    .advantage-icon {
        width: 64px;
        height: 64px;
        background: linear-gradient(135deg, var(--primary-color), #3A86FF);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1.5rem;
        color: white;
        font-size: 1.75rem;
    }

    .advantage-card h3 {
        margin-bottom: 1rem;
        color: var(--text-primary);
    }

    .advantage-card p {
        color: var(--text-secondary);
        margin-bottom: 0;
    }

    /* 发行流程 */
    .process-section {
        background-color: var(--bg-alt);
        border-radius: var(--border-radius-lg);
        padding: 4rem;
        margin-bottom: var(--spacing-section);
    }

    .process-step {
        display: flex;
        align-items: flex-start;
        margin-bottom: 3rem;
        position: relative;
    }

    .process-step:last-child {
        margin-bottom: 0;
    }

    .process-step::after {
        content: '';
        position: absolute;
        left: 1.75rem;
        top: 4rem;
        width: 2px;
        height: calc(100% + 2rem);
        background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
        z-index: 1;
    }

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

    .step-number {
        min-width: 3.5rem;
        height: 3.5rem;
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-weight: 700;
        font-size: 1.25rem;
        margin-right: 1.5rem;
        position: relative;
        z-index: 2;
    }

    .step-content {
        flex: 1;
    }

    .step-content h4 {
        color: var(--text-primary);
        margin-bottom: 0.75rem;
    }

    .step-content p {
        color: var(--text-secondary);
        margin-bottom: 0;
    }

    /* 渠道覆盖 */
    .channels-section {
        margin-bottom: var(--spacing-section);
    }

    .channel-badge {
        display: inline-flex;
        align-items: center;
        padding: 0.75rem 1.5rem;
        background-color: var(--bg-light);
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius);
        margin: 0.5rem;
        font-weight: 500;
        transition: var(--transition);
    }

    .channel-badge:hover {
        background-color: var(--primary-color);
        color: white;
        border-color: var(--primary-color);
        transform: translateY(-2px);
    }

    .channel-badge i {
        margin-right: 0.75rem;
        font-size: 1.25rem;
    }

    /* 对比展示 */
    .comparison-section {
        background: linear-gradient(135deg, var(--bg-dark) 0%, #2D3748 100%);
        color: white;
        border-radius: var(--border-radius-lg);
        padding: 4rem;
        margin-bottom: var(--spacing-section);
    }

    .comparison-section h2,
    .comparison-section h3,
    .comparison-section .comparison-item h4 {
        color: white;
    }

    .comparison-item {
        margin-bottom: 2rem;
    }

    .comparison-item:last-child {
        margin-bottom: 0;
    }

    .comparison-bar {
        height: 8px;
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: 4px;
        margin: 1rem 0;
        position: relative;
        overflow: hidden;
    }

    .comparison-fill {
        position: absolute;
        left: 0;
        top: 0;
        height: 100%;
        background: linear-gradient(90deg, var(--secondary-color), #FF9A3D);
        border-radius: 4px;
    }

    .fill-100 { width: 100%; }
    .fill-85 { width: 85%; }
    .fill-30 { width: 30%; }

    /* FAQ */
    .faq-accordion .accordion-item {
        border: 1px solid var(--border-color);
        border-radius: var(--border-radius-sm) !important;
        margin-bottom: 1rem;
        overflow: hidden;
    }

    .faq-accordion .accordion-button {
        font-weight: 600;
        padding: 1.25rem 1.5rem;
        color: var(--text-primary);
        background-color: var(--bg-light);
        box-shadow: none;
    }

    .faq-accordion .accordion-button:not(.collapsed) {
        color: var(--primary-color);
        background-color: rgba(30, 110, 235, 0.05);
    }

    .faq-accordion .accordion-button::after {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%231E6EEB'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1 .708 0L8 10.293 2.354 4.646a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
    }

    .faq-accordion .accordion-body {
        padding: 1.25rem 1.5rem;
        color: var(--text-secondary);
        background-color: var(--bg-light);
    }

    /* CTA区域 */
    .cta-section {
        background: linear-gradient(135deg, var(--primary-color) 0%, #3A86FF 100%);
        color: white;
        border-radius: var(--border-radius-lg);
        padding: 4rem;
        text-align: center;
        margin-bottom: var(--spacing-section);
    }

    .cta-section h2 {
        color: white;
        margin-bottom: 1.5rem;
    }

    .cta-section p {
        font-size: 1.125rem;
        opacity: 0.9;
        max-width: 700px;
        margin: 0 auto 2.5rem;
    }

    .cta-buttons {
        display: flex;
        gap: 1.5rem;
        justify-content: center;
        flex-wrap: wrap;
    }

    .cta-buttons .btn-light {
        background-color: white;
        color: var(--primary-color);
        border: none;
        font-weight: 600;
        padding: 0.875rem 2.5rem;
    }

    .cta-buttons .btn-light:hover {
        background-color: rgba(255, 255, 255, 0.9);
        transform: translateY(-2px);
    }

    .cta-buttons .btn-outline-light {
        border: 2px solid white;
        color: white;
        font-weight: 600;
        padding: 0.875rem 2.5rem;
    }

    .cta-buttons .btn-outline-light:hover {
        background-color: rgba(255, 255, 255, 0.1);
        transform: translateY(-2px);
    }

    /* 页脚 - 复用首页结构 */
    .site-footer {
        background-color: var(--bg-dark);
        color: #B0B7C3;
        padding: 4rem 0 2rem;
    }

    .footer-brand {
        font-size: 1.75rem;
        font-weight: 700;
        color: white;
        margin-bottom: 1.5rem;
    }

    .footer-about {
        margin-bottom: 1.5rem;
        line-height: 1.7;
    }

    .social-links {
        display: flex;
        gap: 1rem;
        margin-top: 1.5rem;
    }

    .social-links a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: 50%;
        color: #B0B7C3;
        font-size: 1.125rem;
        transition: var(--transition);
    }

    .social-links a:hover {
        background-color: var(--primary-color);
        color: white;
        transform: translateY(-3px);
    }

    .footer-links h4,
    .footer-contact h4,
    .footer-newsletter h4 {
        color: white;
        font-size: 1.25rem;
        margin-bottom: 1.5rem;
        position: relative;
        padding-bottom: 0.75rem;
    }

    .footer-links h4::after,
    .footer-contact h4::after,
    .footer-newsletter h4::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 40px;
        height: 3px;
        background-color: var(--secondary-color);
    }

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

    .footer-links li {
        margin-bottom: 0.75rem;
    }

    .footer-links a {
        color: #B0B7C3;
        transition: var(--transition);
    }

    .footer-links a:hover {
        color: white;
        padding-left: 0.5rem;
    }

    .footer-contact p {
        display: flex;
        align-items: flex-start;
        margin-bottom: 1rem;
    }

    .footer-contact i {
        margin-right: 0.75rem;
        color: var(--secondary-color);
        min-width: 20px;
        margin-top: 0.25rem;
    }

    .footer-newsletter p {
        margin-bottom: 1.5rem;
    }

    .footer-newsletter .input-group {
        max-width: 320px;
    }

    .footer-newsletter .btn-outline-light {
        border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
        border: 1px solid rgba(255, 255, 255, 0.2);
        color: white;
    }

    .footer-newsletter .btn-outline-light:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        margin-top: 3rem;
        padding-top: 2rem;
        text-align: center;
        font-size: 0.875rem;
        color: #8A94A6;
    }

    /* 响应式调整 */
    @media (max-width: 992px) {
        .hero-title { font-size: 2.25rem; }
        .hero-description { font-size: 1.125rem; }
        .process-section,
        .comparison-section,
        .cta-section { padding: 3rem; }
        .advantages-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
    }

    @media (max-width: 768px) {
        .section-padding { padding-top: 3rem; padding-bottom: 3rem; }
        .hero-title { font-size: 2rem; }
        .hero-description { font-size: 1rem; }
        .process-section,
        .comparison-section,
        .cta-section { padding: 2rem; }
        .process-step { flex-direction: column; }
        .step-number { margin-right: 0; margin-bottom: 1rem; }
        .process-step::after { left: 1.75rem; top: 3.5rem; }
        .cta-buttons { flex-direction: column; align-items: center; }
        .cta-buttons .btn { width: 100%; max-width: 300px; }
        .footer-links,
        .footer-contact,
        .footer-newsletter { margin-bottom: 2.5rem; }
    }

    @media (max-width: 576px) {
        .container { padding-left: 1.5rem; padding-right: 1.5rem; }
        .hero-title { font-size: 1.75rem; }
        .process-section,
        .comparison-section,
        .cta-section { padding: 1.5rem; }
        .advantage-card { padding: 2rem 1.5rem; }
    }