/* 基础样式重置 */
        :root {
            --primary: #E91E63;
            --primary-hover: #D81B60;
            --primary-light: #FCE4EC;
            --secondary: #9C27B0;
            --text-dark: #2C1A24;
            --text-light: #FFFFFF;
            --text-muted: #75626D;
            --bg-body: #FFF9FA;
            --bg-card: #FFFFFF;
            --border-color: #FFE1E6;
            --shadow-sm: 0 4px 6px rgba(233, 30, 99, 0.05);
            --shadow-md: 0 10px 20px rgba(233, 30, 99, 0.08);
            --shadow-lg: 0 20px 40px rgba(233, 30, 99, 0.12);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-dark);
            line-height: 1.6;
            font-size: 16px;
        }

        /* 布局容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }

        /* 导航栏 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--border-color);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .nav-links {
            display: flex;
            gap: 20px;
            list-style: none;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 15px;
            transition: var(--transition);
        }

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

        .ai-page-home-link {
            padding: 6px 12px;
            border: 1.5px solid var(--primary);
            border-radius: 20px;
            color: var(--primary) !important;
            font-weight: bold;
        }

        .ai-page-home-link:hover {
            background-color: var(--primary);
            color: var(--text-light) !important;
        }

        .nav-toggle {
            display: none;
            font-size: 24px;
            background: none;
            border: none;
            color: var(--primary);
            cursor: pointer;
        }

        /* 首屏 Hero 区域 (严格无图) */
        .hero {
            background: linear-gradient(135deg, #FFF0F3 0%, #FFE3E8 50%, #FFD6DE 100%);
            padding-top: 150px;
            padding-bottom: 100px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 50%;
            height: 80%;
            background: radial-gradient(circle, rgba(233,30,99,0.1) 0%, transparent 70%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            right: -10%;
            width: 50%;
            height: 80%;
            background: radial-gradient(circle, rgba(156,39,176,0.1) 0%, transparent 70%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-tag {
            display: inline-block;
            background-color: rgba(233, 30, 99, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: 2.8rem;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 24px;
            font-weight: 800;
        }

        .hero h1 span {
            color: var(--primary);
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        .btn {
            display: inline-block;
            padding: 12px 32px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: var(--text-light);
            box-shadow: 0 10px 20px rgba(233, 30, 99, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 25px rgba(233, 30, 99, 0.4);
        }

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

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

        /* 标签云 */
        .hero-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            max-width: 750px;
            margin: 0 auto;
        }

        .tag-badge {
            background-color: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border-color);
            padding: 6px 12px;
            border-radius: 15px;
            font-size: 13px;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .tag-badge:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: scale(1.05);
        }

        /* 通用标题 */
        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 50px auto;
        }

        .section-header h2 {
            font-size: 2.2rem;
            color: var(--text-dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 15px;
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .about-features {
            list-style: none;
        }

        .about-features li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .about-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
            font-size: 18px;
        }

        .about-image-wrapper {
            position: relative;
        }

        .about-image-wrapper img {
            border-radius: 20px;
            box-shadow: var(--shadow-lg);
            width: 100%;
        }

        /* 服务体系卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .service-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.35rem;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 制作流程 & 时间线 */
        .process-flow {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 40px;
        }

        .process-flow::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 5%;
            right: 5%;
            height: 4px;
            background: linear-gradient(to right, var(--primary-light), var(--primary), var(--primary-light));
            z-index: 1;
        }

        .process-step {
            width: 22%;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background-color: var(--bg-card);
            border: 4px solid var(--primary);
            color: var(--primary);
            font-size: 24px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px auto;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }

        .process-step:hover .step-num {
            background-color: var(--primary);
            color: var(--text-light);
            transform: scale(1.1);
        }

        .process-step h4 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-item {
            background-color: var(--bg-card);
            border-left: 5px solid var(--primary);
            border-radius: 0 16px 16px 0;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .solution-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(5px);
        }

        .solution-item h3 {
            font-size: 1.4rem;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .solution-item p {
            color: var(--text-muted);
        }

        /* 服务网络 & 标准 */
        .info-grid-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .info-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px;
            box-shadow: var(--shadow-sm);
        }

        .info-box h3 {
            font-size: 1.6rem;
            margin-bottom: 20px;
            color: var(--text-dark);
            border-left: 4px solid var(--primary);
            padding-left: 12px;
        }

        .list-unstyled {
            list-style: none;
        }

        .list-unstyled li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 15px;
        }

        .list-unstyled li:last-child {
            border-bottom: none;
        }

        /* 案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .case-img-container {
            width: 100%;
            height: 220px;
            overflow: hidden;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }

        .case-content {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            font-size: 12px;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 3px 8px;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .case-content h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .case-content p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 对比评测 */
        .rating-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: var(--text-light);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
            margin-bottom: 40px;
            box-shadow: var(--shadow-md);
        }

        .rating-num {
            font-size: 4.5rem;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 10px;
        }

        .rating-stars {
            font-size: 1.8rem;
            color: #FFD700;
            margin-bottom: 15px;
        }

        .comparison-table-wrapper {
            overflow-x: auto;
            background-color: var(--bg-card);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            background-color: var(--primary-light);
            color: var(--text-dark);
            font-weight: bold;
        }

        .comparison-table tr:last-child td {
            border-bottom: none;
        }

        .highlight-col {
            background-color: rgba(233, 30, 99, 0.03);
            font-weight: 600;
        }

        .status-yes {
            color: #2e7d32;
            font-weight: bold;
        }

        /* Token 比价 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .price-card {
            background-color: var(--bg-card);
            border: 1.5px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            transition: var(--transition);
        }

        .price-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .price-card.featured::before {
            content: '推荐';
            position: absolute;
            top: 15px;
            right: 15px;
            background-color: var(--primary);
            color: var(--text-light);
            font-size: 12px;
            padding: 3px 8px;
            border-radius: 4px;
        }

        .price-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .price-val {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 15px 0;
        }

        .price-val span {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: normal;
        }

        .price-features {
            list-style: none;
            margin-bottom: 25px;
        }

        .price-features li {
            padding: 8px 0;
            color: var(--text-muted);
            border-bottom: 1px dashed var(--border-color);
        }

        .price-features li:last-child {
            border-bottom: none;
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .training-card h3 {
            font-size: 1.1rem;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .training-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 表单与需求匹配 */
        .form-split {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .form-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow-md);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1.5px solid var(--border-color);
            border-radius: 8px;
            font-size: 15px;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(233,30,99,0.1);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .contact-info-card {
            background-color: var(--primary-light);
            border-radius: 16px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-info-card h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .contact-details p {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .qrcode-area {
            text-align: center;
            margin-top: 30px;
            background-color: #ffffff;
            padding: 20px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
        }

        .qrcode-area img {
            width: 120px;
            height: auto;
            margin-bottom: 10px;
        }

        .qrcode-area p {
            font-size: 13px;
            color: var(--text-dark);
            margin: 0;
            font-weight: bold;
        }

        /* 术语百科与FAQ */
        .faq-glossary-split {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 40px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 18px 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #fff;
            transition: var(--transition);
        }

        .faq-header:hover {
            background-color: var(--primary-light);
        }

        .faq-body {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0,1,0,1);
            color: var(--text-muted);
            font-size: 14px;
        }

        .faq-item.active .faq-body {
            max-height: 500px;
            padding: 15px 20px 20px 20px;
            border-top: 1px solid var(--border-color);
        }

        .faq-icon::after {
            content: '+';
            font-size: 18px;
            font-weight: bold;
            color: var(--primary);
        }

        .faq-item.active .faq-icon::after {
            content: '-';
        }

        .glossary-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            box-shadow: var(--shadow-sm);
        }

        .glossary-item {
            margin-bottom: 15px;
        }

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

        .glossary-item dt {
            font-weight: bold;
            color: var(--primary);
        }

        .glossary-item dd {
            font-size: 13px;
            color: var(--text-muted);
            margin-left: 0;
            margin-top: 4px;
        }

        /* 客户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .comment-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 25px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .comment-text {
            font-style: italic;
            color: var(--text-dark);
            margin-bottom: 20px;
            font-size: 14px;
        }

        .comment-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--primary);
        }

        .author-info h4 {
            font-size: 14px;
            margin-bottom: 2px;
        }

        .author-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 行业资讯 & 知识库 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .article-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            transition: var(--transition);
        }

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

        .article-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .article-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .article-link {
            font-size: 14px;
            color: var(--primary);
            text-decoration: none;
            font-weight: 500;
        }

        .article-link:hover {
            text-decoration: underline;
        }

        /* 浮动客服中心 */
        .floating-widget {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .widget-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(233,30,99,0.3);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            position: relative;
        }

        .widget-btn:hover {
            transform: scale(1.1);
            background-color: var(--primary-hover);
        }

        .widget-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .widget-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: #fff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 15px;
            box-shadow: var(--shadow-md);
            display: none;
            width: 160px;
            text-align: center;
        }

        .widget-popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .widget-popover p {
            font-size: 12px;
            color: var(--text-dark);
            margin: 0;
        }

        .widget-btn:hover .widget-popover {
            display: block;
        }

        /* 页脚 */
        footer {
            background-color: #20131B;
            color: #D6C2CD;
            padding: 60px 0 20px 0;
            border-top: 5px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo-area {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .footer-col h4 {
            color: var(--text-light);
            font-size: 16px;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #D6C2CD;
            text-decoration: none;
            transition: var(--transition);
            font-size: 14px;
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 10px;
        }

        .friend-links a {
            color: #D6C2CD;
            text-decoration: none;
            font-size: 13px;
            background-color: rgba(255,255,255,0.05);
            padding: 4px 10px;
            border-radius: 4px;
            transition: var(--transition);
        }

        .friend-links a:hover {
            background-color: var(--primary);
            color: var(--text-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 20px;
            }
            .about-grid {
                grid-template-columns: 1fr;
            }
            .services-grid, .cases-grid, .comments-grid, .articles-grid, .price-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .info-grid-split, .form-split, .faq-glossary-split, .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #fff;
                padding: 20px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--border-color);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                max-width: 300px;
            }
            .process-flow {
                flex-direction: column;
                gap: 30px;
            }
            .process-flow::before {
                display: none;
            }
            .process-step {
                width: 100%;
            }
            .services-grid, .cases-grid, .comments-grid, .articles-grid, .price-grid, .training-grid, .stats-grid {
                grid-template-columns: 1fr;
            }
            .solutions-grid {
                grid-template-columns: 1fr;
            }
        }