/* roulang page: index */
:root {
            /* 色彩系统 */
            --primary-indigo: #2A4B8C;
            --primary-indigo-dark: #1e3a6f;
            --accent-teal: #00C9A7;
            --accent-teal-dark: #00a88b;
            --neutral-bg: #F5F7FA;
            --neutral-light: #FFFFFF;
            --alert-amber: #FF9A00;
            --text-primary: #333333;
            --text-secondary: #666666;
            --text-muted: #999999;
            --border-color: #E1E5EB;
            /* 圆角与阴影 */
            --radius-base: 8px;
            --radius-btn: 12px;
            --radius-card: 12px;
            --shadow-card: 0 4px 12px rgba(42, 75, 140, 0.08);
            --shadow-card-hover: 0 8px 24px rgba(42, 75, 140, 0.12);
            --shadow-btn-hover: 0 6px 16px rgba(0, 201, 167, 0.2);
            /* 间距 */
            --section-gap: 80px;
            --mobile-section-gap: 60px;
            /* 字体 */
            --font-heading: 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --font-body: 'Helvetica Neue', Helvetica, Arial, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
        }

        /* 基础样式重置 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--neutral-bg);
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-heading);
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--primary-indigo);
        }

        h1 {
            font-size: 2.5rem;
            font-weight: 700;
        }

        h2 {
            font-size: 2rem;
        }

        h3 {
            font-size: 1.5rem;
        }

        p {
            margin-bottom: 1.5em;
            color: var(--text-secondary);
        }

        a {
            text-decoration: none;
            color: var(--primary-indigo);
            transition: color 0.2s ease;
        }

        a:hover {
            color: var(--accent-teal);
        }

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

        /* 容器与通用类 */
        .container-custom {
            max-width: 1140px;
            margin: 0 auto;
            padding-left: 15px;
            padding-right: 15px;
        }

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

        .section-heading {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-heading p {
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            font-size: 1.1rem;
        }

        /* 自定义按钮 */
        .btn {
            border-radius: var(--radius-btn);
            padding: 0.75rem 1.75rem;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
        }

        .btn-primary {
            background-color: var(--primary-indigo);
            color: var(--neutral-light);
        }

        .btn-primary:hover, .btn-primary:focus {
            background-color: var(--primary-indigo-dark);
            color: var(--neutral-light);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--primary-indigo);
            border: 2px solid var(--primary-indigo);
        }

        .btn-secondary:hover, .btn-secondary:focus {
            background-color: var(--primary-indigo);
            color: var(--neutral-light);
            transform: translateY(-2px);
        }

        .btn-accent {
            background-color: var(--accent-teal);
            color: #222;
            font-weight: 700;
        }

        .btn-accent:hover, .btn-accent:focus {
            background-color: var(--accent-teal-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-btn-hover);
        }

        /* 自定义卡片 */
        .card-custom {
            background-color: var(--neutral-light);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-color);
            overflow: hidden;
            height: 100%;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-card);
            position: relative;
        }

        .card-custom::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 0;
            background-color: var(--accent-teal);
            transition: height 0.3s ease;
        }

        .card-custom:hover::before {
            height: 4px;
        }

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

        .card-img-top {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }

        .card-body-custom {
            padding: 1.5rem;
        }

        .card-title {
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
            color: var(--primary-indigo);
        }

        /* 标签 */
        .badge-custom {
            display: inline-block;
            padding: 0.35em 0.85em;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 4px;
            background-color: rgba(42, 75, 140, 0.1);
            color: var(--primary-indigo);
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }

        .badge-accent {
            background-color: rgba(0, 201, 167, 0.1);
            color: var(--accent-teal-dark);
        }

        /* 导航 - 分屏联动风格 */
        header.navbar-custom {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background-color: rgba(42, 75, 140, 0.95);
            backdrop-filter: blur(10px);
            height: 70px;
            padding-left: 0;
            padding-right: 0;
            border-bottom: none;
            transition: background-color 0.3s ease;
        }

        .navbar-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1140px;
            margin: 0 auto;
            padding-left: 15px;
            padding-right: 15px;
        }

        /* Logo 与内容侧（左） */
        .navbar-brand-side {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--neutral-light);
            text-decoration: none;
        }

        .logo-text span {
            color: var(--accent-teal);
        }

        .logo-subtitle {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            border-left: 1px solid rgba(255, 255, 255, 0.3);
            padding-left: 1rem;
        }

        /* 主导航 */
        .navbar-nav-custom {
            display: flex;
            list-style: none;
            margin-bottom: 0;
            gap: 2rem;
            margin-left: 2rem;
        }

        .nav-link-custom {
            color: rgba(255, 255, 255, 0.85);
            font-weight: 500;
            padding: 0.5rem 0;
            position: relative;
            transition: color 0.2s ease;
        }

        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--neutral-light);
        }

        .nav-link-custom.active::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            right: 0;
            height: 3px;
            background-color: var(--accent-teal);
            border-radius: 3px;
        }

        /* 搜索与 CTA 侧（右） */
        .navbar-actions-side {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .search-form-custom {
            position: relative;
        }

        .search-input-custom {
            background-color: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 20px;
            padding: 0.5rem 1rem 0.5rem 2.5rem;
            color: var(--neutral-light);
            font-size: 0.9rem;
            width: 200px;
            transition: all 0.3s ease;
        }

        .search-input-custom::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }

        .search-input-custom:focus {
            outline: none;
            background-color: rgba(255, 255, 255, 0.25);
            width: 250px;
            border-color: var(--accent-teal);
            box-shadow: 0 0 0 3px rgba(0, 201, 167, 0.2);
        }

        .search-icon {
            position: absolute;
            left: 0.9rem;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.7);
            pointer-events: none;
        }

        /* 移动端汉堡菜单 */
        .navbar-toggler-custom {
            display: none;
            background: none;
            border: none;
            color: var(--neutral-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }

        /* Hero 首屏 - 分屏布局 */
        .hero-section {
            padding-top: 120px;
            padding-bottom: var(--section-gap);
            min-height: 90vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .hero-content {
            padding-right: 2rem;
        }

        .hero-title {
            font-size: 3rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            color: var(--primary-indigo);
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 2.5rem;
            max-width: 90%;
        }

        .hero-cta {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-visual {
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 500px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            box-shadow: var(--shadow-card-hover);
            position: relative;
        }

        .hero-visual::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(45deg, rgba(42, 75, 140, 0.2), rgba(0, 201, 167, 0.1));
        }

        /* 痛点陈述区 */
        .pain-points-section {
            background-color: var(--neutral-light);
        }

        .pain-card {
            background-color: var(--neutral-bg);
            border-radius: var(--radius-card);
            padding: 2rem;
            height: 100%;
            border-left: 5px solid var(--alert-amber);
            transition: transform 0.3s ease;
        }

        .pain-card:hover {
            transform: translateX(5px);
        }

        .pain-icon {
            font-size: 2rem;
            color: var(--alert-amber);
            margin-bottom: 1.5rem;
        }

        /* 解决方案展示区 */
        .solution-card-large {
            grid-column: span 2;
        }

        @media (min-width: 992px) {
            .solution-card-large {
                grid-column: span 1;
            }
        }

        .solution-icon {
            font-size: 2.5rem;
            color: var(--accent-teal);
            margin-bottom: 1.5rem;
        }

        /* 成果数据区 */
        .stats-section {
            background-color: var(--primary-indigo);
            color: var(--neutral-light);
            padding: 4rem 0;
        }

        .stat-item {
            text-align: center;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--accent-teal);
            line-height: 1;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.9);
        }

        /* 客户证言 */
        .testimonial-card {
            background-color: var(--neutral-light);
            border-radius: var(--radius-card);
            padding: 2rem;
            position: relative;
        }

        .testimonial-quote {
            font-size: 3rem;
            color: rgba(42, 75, 140, 0.1);
            position: absolute;
            top: 1rem;
            left: 1.5rem;
        }

        .testimonial-text {
            font-style: italic;
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            font-weight: 600;
            color: var(--primary-indigo);
        }

        .testimonial-role {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 最终 CTA */
        .final-cta-section {
            text-align: center;
            background: linear-gradient(135deg, var(--neutral-bg) 0%, rgba(245, 247, 250, 0.9) 100%);
            padding: 5rem 0;
        }

        .final-cta-title {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
        }

        .final-cta-subtitle {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 3rem;
            color: var(--text-secondary);
        }

        /* 页脚 */
        .site-footer {
            background-color: #2C3E50;
            color: #B0BEC5;
            padding-top: 3rem;
            padding-bottom: 2rem;
        }

        .footer-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.8rem;
            color: var(--neutral-light);
            margin-bottom: 1rem;
        }

        .footer-logo span {
            color: var(--accent-teal);
        }

        .footer-tagline {
            font-size: 0.95rem;
            color: #90A4AE;
            margin-bottom: 1.5rem;
            max-width: 300px;
        }

        .footer-heading {
            color: var(--neutral-light);
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #455A64;
        }

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

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

        .footer-links a {
            color: #B0BEC5;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--accent-teal);
            padding-left: 5px;
        }

        .footer-bottom {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid #455A64;
            text-align: center;
            color: #90A4AE;
            font-size: 0.9rem;
        }

        /* 响应式调整 */
        @media (max-width: 1199px) {
            .hero-title {
                font-size: 2.7rem;
            }
        }

        @media (max-width: 991px) {
            :root {
                --section-gap: var(--mobile-section-gap);
            }

            h1 {
                font-size: 2rem;
            }

            h2 {
                font-size: 1.75rem;
            }

            /* 导航移动端 */
            .navbar-toggler-custom {
                display: block;
                order: 2;
            }

            .navbar-nav-custom {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--primary-indigo);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            }

            .navbar-nav-custom.active {
                display: flex;
            }

            .navbar-actions-side {
                order: 1;
                flex: 1;
                justify-content: flex-end;
            }

            .search-form-custom {
                display: none;
            }

            .hero-container {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .hero-content {
                padding-right: 0;
                text-align: center;
            }

            .hero-subtitle {
                max-width: 100%;
            }

            .hero-cta {
                justify-content: center;
            }

            .hero-visual {
                height: 350px;
            }

            .solution-card-large {
                grid-column: span 1;
            }
        }

        @media (max-width: 767px) {
            .hero-title {
                font-size: 2.2rem;
            }

            .stat-number {
                font-size: 2.5rem;
            }

            .btn {
                padding: 0.65rem 1.5rem;
            }

            .final-cta-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 576px) {
            .hero-title {
                font-size: 1.9rem;
            }

            .hero-subtitle {
                font-size: 1.1rem;
            }
        }

/* roulang page: category1 */
/* 设计变量 */
    :root {
        --primary-color: #2A4B8C;
        --secondary-color: #00C9A7;
        --accent-color: #FF9A00;
        --bg-light: #F5F7FA;
        --text-primary: #333333;
        --text-secondary: #666666;
        --text-muted: #999999;
        --border-color: #E1E5EB;
        --shadow-light: 0 4px 12px rgba(42, 75, 140, 0.08);
        --shadow-medium: 0 6px 20px rgba(42, 75, 140, 0.12);
        --shadow-accent: 0 6px 16px rgba(0, 201, 167, 0.2);
        --border-radius: 8px;
        --border-radius-lg: 12px;
        --spacing-xs: 0.5rem;
        --spacing-sm: 1rem;
        --spacing-md: 2rem;
        --spacing-lg: 3rem;
        --spacing-xl: 5rem;
    }
    
    /* 基础重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    body {
        font-family: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        font-size: 16px;
        line-height: 1.8;
        color: var(--text-primary);
        background-color: white;
    }
    
    h1, h2, h3, h4, h5, h6 {
        font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
        font-weight: 600;
        color: var(--primary-color);
        margin-bottom: 1.25rem;
    }
    
    h1 {
        font-size: 2.5rem;
        font-weight: 700;
        line-height: 1.3;
    }
    
    h2 {
        font-size: 2rem;
        margin-top: var(--spacing-lg);
    }
    
    h3 {
        font-size: 1.5rem;
        margin-top: var(--spacing-md);
    }
    
    p {
        margin-bottom: 1.5em;
    }
    
    a {
        color: var(--primary-color);
        text-decoration: none;
        transition: color 0.2s ease;
    }
    
    a:hover {
        color: var(--secondary-color);
    }
    
    img {
        max-width: 100%;
        height: auto;
    }
    
    .container-custom {
        max-width: 1140px;
        padding-left: var(--spacing-sm);
        padding-right: var(--spacing-sm);
    }
    
    @media (min-width: 768px) {
        .container-custom {
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }
    }
    
    @media (min-width: 1200px) {
        .container-custom {
            padding-left: 0;
            padding-right: 0;
        }
    }
    
    /* 导航栏样式 - 复用首页设计 */
    .navbar-custom {
        background-color: rgba(42, 75, 140, 0.95);
        backdrop-filter: blur(10px);
        padding: 0;
        position: sticky;
        top: 0;
        z-index: 1030;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }
    
    .navbar-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        max-width: 1140px;
        margin: 0 auto;
        padding: 0.75rem 1rem;
    }
    
    .navbar-brand-side {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
    }
    
    .logo-text {
        font-size: 1.75rem;
        font-weight: 700;
        color: white;
        text-decoration: none;
        margin-right: 2rem;
    }
    
    .logo-text span {
        color: var(--secondary-color);
    }
    
    .logo-subtitle {
        color: rgba(255, 255, 255, 0.8);
        font-size: 0.875rem;
        margin-right: 3rem;
    }
    
    .navbar-nav-custom {
        display: flex;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    
    .navbar-nav-custom li {
        margin-right: 1.5rem;
    }
    
    .nav-link-custom {
        color: rgba(255, 255, 255, 0.9);
        font-weight: 500;
        padding: 0.5rem 0;
        position: relative;
        text-decoration: none;
    }
    
    .nav-link-custom.active {
        color: white;
        font-weight: 600;
    }
    
    .nav-link-custom.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 3px;
        background-color: var(--secondary-color);
        border-radius: 2px;
    }
    
    .nav-link-custom:hover {
        color: white;
    }
    
    .navbar-actions-side {
        display: flex;
        align-items: center;
    }
    
    .search-form-custom {
        position: relative;
        margin-right: 1.5rem;
    }
    
    .search-input-custom {
        background-color: rgba(255, 255, 255, 0.15);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 20px;
        padding: 0.5rem 1rem 0.5rem 2.5rem;
        color: white;
        font-size: 0.9rem;
        width: 200px;
        transition: all 0.2s;
    }
    
    .search-input-custom::placeholder {
        color: rgba(255, 255, 255, 0.7);
    }
    
    .search-input-custom:focus {
        background-color: rgba(255, 255, 255, 0.25);
        border-color: var(--secondary-color);
        outline: none;
        width: 250px;
    }
    
    .search-icon {
        position: absolute;
        left: 1rem;
        top: 50%;
        transform: translateY(-50%);
        color: rgba(255, 255, 255, 0.7);
    }
    
    .btn {
        padding: 0.75rem 1.75rem;
        border-radius: var(--border-radius-lg);
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: all 0.3s ease;
        text-decoration: none;
        display: inline-block;
    }
    
    .btn-primary {
        background-color: var(--primary-color);
        color: white;
    }
    
    .btn-primary:hover {
        background-color: #1e3a6e;
        box-shadow: var(--shadow-medium);
        transform: translateY(-2px);
    }
    
    .btn-accent {
        background-color: var(--secondary-color);
        color: #333;
        margin-left: 0.5rem;
    }
    
    .btn-accent:hover {
        background-color: #00b394;
        box-shadow: var(--shadow-accent);
        transform: translateY(-2px);
        color: #333;
    }
    
    .navbar-toggler-custom {
        display: none;
        background: none;
        border: none;
        color: white;
        font-size: 1.5rem;
        cursor: pointer;
        margin-left: 1rem;
    }
    
    /* 分类页 Hero */
    .category-hero {
        background: linear-gradient(135deg, rgba(42, 75, 140, 0.05) 0%, rgba(0, 201, 167, 0.05) 100%);
        padding: var(--spacing-xl) 0;
        margin-bottom: var(--spacing-xl);
        position: relative;
        overflow: hidden;
    }
    
    .category-hero::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 40%;
        height: 100%;
        background-image: url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.1;
        border-radius: 0 0 0 100px;
    }
    
    .category-hero-content {
        max-width: 800px;
        position: relative;
        z-index: 1;
    }
    
    .category-hero h1 {
        color: var(--primary-color);
        margin-bottom: var(--spacing-md);
    }
    
    .category-hero .lead {
        font-size: 1.25rem;
        color: var(--text-secondary);
        margin-bottom: var(--spacing-lg);
    }
    
    .hero-stats {
        display: flex;
        gap: var(--spacing-lg);
        margin-top: var(--spacing-lg);
    }
    
    .stat-item {
        text-align: center;
    }
    
    .stat-value {
        font-size: 2.5rem;
        font-weight: 700;
        color: var(--primary-color);
        display: block;
        line-height: 1;
    }
    
    .stat-label {
        font-size: 0.9rem;
        color: var(--text-muted);
        margin-top: 0.5rem;
    }
    
    /* 主要内容区块 */
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .section-light {
        background-color: var(--bg-light);
    }
    
    .section-title {
        text-align: center;
        margin-bottom: var(--spacing-lg);
    }
    
    .section-title h2 {
        position: relative;
        display: inline-block;
        padding-bottom: var(--spacing-sm);
    }
    
    .section-title h2::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 80px;
        height: 4px;
        background-color: var(--secondary-color);
        border-radius: 2px;
    }
    
    /* 卡片样式 */
    .card-custom {
        background-color: white;
        border-radius: var(--border-radius-lg);
        box-shadow: var(--shadow-light);
        border: none;
        overflow: hidden;
        transition: all 0.3s ease;
        height: 100%;
    }
    
    .card-custom:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-medium);
    }
    
    .card-custom .card-header {
        background-color: rgba(42, 75, 140, 0.05);
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem;
        border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0 !important;
    }
    
    .card-custom .card-body {
        padding: 1.5rem;
    }
    
    .card-icon {
        width: 60px;
        height: 60px;
        background-color: rgba(0, 201, 167, 0.1);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 1rem;
        color: var(--secondary-color);
        font-size: 1.75rem;
    }
    
    /* 优化流程步骤 */
    .process-steps {
        counter-reset: step-counter;
        margin-top: var(--spacing-xl);
    }
    
    .process-step {
        position: relative;
        padding-left: 4rem;
        margin-bottom: 2.5rem;
    }
    
    .process-step::before {
        counter-increment: step-counter;
        content: counter(step-counter);
        position: absolute;
        left: 0;
        top: 0;
        width: 3rem;
        height: 3rem;
        background-color: var(--primary-color);
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 1.25rem;
    }
    
    .process-step h3 {
        margin-top: 0;
        color: var(--primary-color);
    }
    
    .process-step:nth-child(2)::before {
        background-color: var(--secondary-color);
    }
    
    .process-step:nth-child(3)::before {
        background-color: var(--accent-color);
    }
    
    .process-step:nth-child(4)::before {
        background-color: #8A2BE2;
    }
    
    /* 场景应用 */
    .scenario-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 2rem;
        margin-top: var(--spacing-lg);
    }
    
    .scenario-card {
        background-color: white;
        border-radius: var(--border-radius-lg);
        padding: 2rem;
        box-shadow: var(--shadow-light);
        border-top: 4px solid var(--secondary-color);
        transition: all 0.3s ease;
    }
    
    .scenario-card:hover {
        transform: translateY(-5px);
        box-shadow: var(--shadow-medium);
    }
    
    .scenario-icon {
        font-size: 2rem;
        color: var(--secondary-color);
        margin-bottom: 1.25rem;
    }
    
    .scenario-card h3 {
        font-size: 1.25rem;
        margin-bottom: 1rem;
    }
    
    /* FAQ 样式 */
    .faq-accordion {
        margin-top: var(--spacing-lg);
    }
    
    .faq-item {
        background-color: white;
        border-radius: var(--border-radius);
        margin-bottom: 1rem;
        box-shadow: var(--shadow-light);
        overflow: hidden;
    }
    
    .faq-header {
        padding: 1.25rem;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-weight: 600;
        color: var(--primary-color);
        background-color: rgba(245, 247, 250, 0.5);
        transition: background-color 0.2s;
    }
    
    .faq-header:hover {
        background-color: rgba(0, 201, 167, 0.05);
    }
    
    .faq-header i {
        transition: transform 0.3sease;
    }
    
    .faq-header.active i {
        transform: rotate(180deg);
    }
    
    .faq-body {
        padding: 0;
        max-height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    
    .faq-body.show {
        padding: 1.25rem;
        max-height: 500px;
    }
    
    .faq-body p:last-child {
        margin-bottom: 0;
    }
    
    /* CTA 区块 */
    .cta-section {
        background: linear-gradient(135deg, var(--primary-color) 0%, #1e3a6e 100%);
        color: white;
        padding: var(--spacing-xl) 0;
        border-radius: var(--border-radius-lg);
        text-align: center;
        margin: var(--spacing-xl) 0;
    }
    
    .cta-section h2 {
        color: white;
        margin-bottom: var(--spacing-md);
    }
    
    .cta-section p {
        color: rgba(255, 255, 255, 0.9);
        max-width: 700px;
        margin-left: auto;
        margin-right: auto;
        margin-bottom: var(--spacing-lg);
    }
    
    .cta-buttons {
        display: flex;
        justify-content: center;
        gap: 1rem;
        flex-wrap: wrap;
    }
    
    .cta-btn-primary {
        background-color: var(--secondary-color);
        color: #333;
        padding: 1rem 2.5rem;
        font-size: 1.1rem;
    }
    
    .cta-btn-secondary {
        background-color: transparent;
        color: white;
        border: 2px solid white;
        padding: 1rem 2.5rem;
        font-size: 1.1rem;
    }
    
    .cta-btn-primary:hover {
        background-color: #00b394;
        color: #333;
        transform: translateY(-3px);
    }
    
    .cta-btn-secondary:hover {
        background-color: white;
        color: var(--primary-color);
        transform: translateY(-3px);
    }
    
    /* 页脚样式 - 复用首页设计 */
    .site-footer {
        background-color: #2C3E50;
        color: #B0BEC5;
        padding: var(--spacing-xl) 0 var(--spacing-md);
    }
    
    .footer-logo {
        font-size: 2rem;
        font-weight: 700;
        color: white;
        margin-bottom: 1rem;
    }
    
    .footer-logo span {
        color: var(--secondary-color);
    }
    
    .footer-tagline {
        color: #B0BEC5;
        line-height: 1.7;
        margin-bottom: 1.5rem;
    }
    
    .footer-heading {
        color: white;
        font-size: 1.25rem;
        margin-bottom: 1.5rem;
        font-weight: 600;
    }
    
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    
    .footer-links li {
        margin-bottom: 0.75rem;
    }
    
    .footer-links a {
        color: #B0BEC5;
        text-decoration: none;
        transition: color 0.2s;
    }
    
    .footer-links a:hover {
        color: var(--secondary-color);
        text-decoration: underline;
    }
    
    .footer-bottom {
        border-top: 1px solid #37474F;
        padding-top: var(--spacing-md);
        margin-top: var(--spacing-lg);
        text-align: center;
        color: #90A4AE;
        font-size: 0.9rem;
    }
    
    /* 响应式调整 */
    @media (max-width: 992px) {
        h1 {
            font-size: 2rem;
        }
        
        h2 {
            font-size: 1.75rem;
        }
        
        .navbar-brand-side {
            flex-direction: column;
            align-items: flex-start;
        }
        
        .logo-subtitle {
            margin-top: 0.25rem;
            margin-right: 0;
        }
        
        .navbar-nav-custom {
            margin-top: 1rem;
        }
        
        .search-form-custom {
            display: none;
        }
        
        .hero-stats {
            flex-wrap: wrap;
            gap: var(--spacing-md);
        }
        
        .cta-buttons {
            flex-direction: column;
            align-items: center;
        }
        
        .cta-btn-primary, .cta-btn-secondary {
            width: 100%;
            max-width: 300px;
        }
    }
    
    @media (max-width: 768px) {
        .section {
            padding: var(--spacing-lg) 0;
        }
        
        .category-hero {
            padding: var(--spacing-lg) 0;
        }
        
        .navbar-container {
            flex-wrap: wrap;
        }
        
        .navbar-nav-custom {
            width: 100%;
            margin-top: 1rem;
            order: 3;
            display: none;
        }
        
        .navbar-nav-custom.show {
            display: flex;
            flex-direction: column;
            background-color: rgba(42, 75, 140, 0.98);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-top: 1rem;
        }
        
        .navbar-nav-custom li {
            margin-right: 0;
            margin-bottom: 0.5rem;
        }
        
        .navbar-toggler-custom {
            display: block;
        }
        
        .process-step {
            padding-left: 3.5rem;
        }
        
        .process-step::before {
            width: 2.5rem;
            height: 2.5rem;
        }
        
        .category-hero::before {
            width: 100%;
            border-radius: 0;
            opacity: 0.05;
        }
    }
    
    @media (max-width: 576px) {
        .scenario-grid {
            grid-template-columns: 1fr;
        }
        
        .hero-stats {
            flex-direction: column;
            align-items: center;
            gap: 1.5rem;
        }
        
        .stat-item {
            text-align: center;
        }
    }