:root {
            --primary: #d81b60;
            --primary-hover: #c2185b;
            --primary-light: #fce4ec;
            --accent: #ff4081;
            --dark: #263238;
            --light-bg: #fff9fa;
            --white: #ffffff;
            --gray-100: #f8f9fa;
            --gray-200: #e9ecef;
            --gray-300: #dee2e6;
            --gray-700: #495057;
            --text-main: #2b2b2b;
            --text-muted: #6c757d;
            --shadow: 0 10px 30px rgba(216, 27, 96, 0.08);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1200px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: var(--light-bg);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(216, 27, 96, 0.3);
        }

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

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

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--primary-light);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
        }

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

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

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--dark);
        }

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

        .nav-btn-box {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--primary);
            transition: var(--transition);
        }

        /* Hero 首屏 (无图片) */
        .hero {
            padding: 160px 0 100px;
            background: linear-gradient(135deg, #fff2f5 0%, #ffe4ec 100%);
            position: relative;
            text-align: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 50%;
            height: 60%;
            background: radial-gradient(circle, rgba(255, 64, 129, 0.15) 0%, transparent 70%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -10%;
            right: -10%;
            width: 50%;
            height: 60%;
            background: radial-gradient(circle, rgba(216, 27, 96, 0.15) 0%, transparent 70%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 2.5rem;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 24px;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* 基础 Section */
        section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-tag {
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            display: block;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2rem;
            color: var(--dark);
            font-weight: 700;
        }

        /* 数据指标 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stats-card {
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 12px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .stats-card:hover {
            transform: translateY(-5px);
        }

        .stats-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stats-label {
            font-size: 15px;
            color: var(--text-muted);
        }

        /* 服务能力卡片 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 16px;
            padding: 35px 24px;
            transition: var(--transition);
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

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

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-title {
            font-size: 1.25rem;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .service-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 关于我们 & 平台介绍 */
        .about-section {
            background-color: var(--white);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.75rem;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 16px;
            font-size: 15px;
        }

        .about-features {
            margin-top: 30px;
            list-style: none;
        }

        .about-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .about-features li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        .about-badge-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .badge-card {
            background-color: var(--light-bg);
            border-left: 4px solid var(--primary);
            padding: 20px;
            border-radius: 0 8px 8px 0;
        }

        .badge-card h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .badge-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        /* AIGC一站式场景与制作 */
        .tabs-container {
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow);
        }

        .tabs-header {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 30px;
            border-bottom: 1px solid var(--gray-200);
            padding-bottom: 15px;
        }

        .tab-btn {
            background: none;
            border: none;
            padding: 10px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-muted);
            cursor: pointer;
            border-radius: 6px;
            transition: var(--transition);
        }

        .tab-btn.active, .tab-btn:hover {
            background-color: var(--primary-light);
            color: var(--primary);
        }

        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }

        .scene-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: center;
        }

        .scene-text h4 {
            font-size: 1.5rem;
            color: var(--dark);
            margin-bottom: 16px;
        }

        .scene-text p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
        }

        /* 包含的模型展示 */
        .model-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 15px;
        }

        .model-tag {
            background-color: var(--light-bg);
            color: var(--primary);
            border: 1px solid var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
        }

        /* 标准化流程 & 技术标准 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 2px;
            background-color: var(--primary-light);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -1px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            background-color: var(--white);
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -8px;
        }

        .timeline-content {
            padding: 20px 30px;
            background-color: var(--white);
            position: relative;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border: 1px solid var(--primary-light);
        }

        .timeline-content h4 {
            color: var(--primary);
            margin-bottom: 8px;
            font-size: 16px;
        }

        .timeline-content p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        /* 案例展示区 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
        }

        .case-img-wrapper {
            position: relative;
            background-color: var(--gray-200);
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .case-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-info {
            padding: 20px;
        }

        .case-info h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 8px;
        }

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

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

        .rating-stars {
            font-size: 2rem;
            color: #ffd700;
            margin-bottom: 10px;
        }

        .rating-score {
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .rating-text {
            font-size: 16px;
            opacity: 0.9;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--primary-light);
            border-radius: 12px;
            background-color: var(--white);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--gray-200);
            font-size: 14px;
        }

        th {
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
        }

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

        .highlight-cell {
            background-color: rgba(216, 27, 96, 0.03);
            font-weight: 600;
            color: var(--primary);
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .token-card {
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow);
            position: relative;
        }

        .token-card.best-value {
            border: 2px solid var(--primary);
        }

        .token-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--primary);
            color: var(--white);
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        .token-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .token-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .token-price span {
            font-size: 12px;
            color: var(--text-muted);
            font-weight: normal;
        }

        .token-features {
            list-style: none;
            margin: 20px 0;
            padding-top: 15px;
            border-top: 1px solid var(--gray-200);
        }

        .token-features li {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        /* 培训业务 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .training-card {
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 12px;
            padding: 24px 16px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .training-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .training-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .training-desc {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ折叠面板 */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question::after {
            content: "+";
            font-size: 20px;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            content: "−";
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--light-bg);
        }

        .faq-answer-content {
            padding: 20px 24px;
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid var(--primary-light);
        }

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 12px;
            padding: 24px;
            box-shadow: var(--shadow);
        }

        .review-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .review-avatar-placeholder {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .review-user h5 {
            font-size: 15px;
            color: var(--dark);
        }

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

        .review-content {
            font-size: 14px;
            color: var(--text-muted);
            font-style: italic;
        }

        /* 文章列表与资讯 */
        .news-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 8px;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .news-item:hover {
            transform: translateX(5px);
            border-color: var(--primary);
        }

        .news-info h4 {
            font-size: 15px;
            color: var(--dark);
            margin-bottom: 6px;
        }

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

        .news-link-btn {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        .glossary-box {
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 12px;
            padding: 24px;
            box-shadow: var(--shadow);
        }

        .glossary-box h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 16px;
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 8px;
        }

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

        .glossary-item {
            margin-bottom: 12px;
        }

        .glossary-item strong {
            color: var(--primary);
            font-size: 14px;
        }

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

        /* 需求匹配与联系我们表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .form-box {
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow);
        }

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

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--gray-300);
            border-radius: 8px;
            font-size: 14px;
            transition: var(--transition);
            background-color: var(--light-bg);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--white);
            box-shadow: 0 0 0 3px rgba(216, 27, 96, 0.1);
        }

        .contact-info-box {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-cards {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 30px;
        }

        .contact-card {
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 12px;
            padding: 20px;
            box-shadow: var(--shadow);
            text-align: center;
        }

        .contact-card-icon {
            font-size: 1.75rem;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .contact-card h5 {
            font-size: 14px;
            color: var(--dark);
            margin-bottom: 6px;
        }

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

        .qr-wrapper {
            display: flex;
            align-items: center;
            gap: 24px;
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            border-radius: 12px;
            padding: 20px;
            box-shadow: var(--shadow);
        }

        .qr-img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            border: 1px solid var(--gray-200);
        }

        .qr-info h5 {
            font-size: 15px;
            color: var(--dark);
            margin-bottom: 4px;
        }

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

        /* 侧边浮动导航 */
        .floating-sidebar {
            position: fixed;
            right: 20px;
            bottom: 100px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--primary);
            border-color: var(--primary);
            color: var(--white);
        }

        .float-btn:hover svg {
            fill: var(--white);
        }

        .float-btn svg {
            width: 20px;
            height: 20px;
            fill: var(--primary);
            transition: var(--transition);
        }

        .float-btn .tooltip {
            position: absolute;
            right: 60px;
            background-color: var(--dark);
            color: var(--white);
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 12px;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
        }

        .float-btn:hover .tooltip {
            opacity: 1;
        }

        .qr-popup {
            position: absolute;
            bottom: 0;
            right: 60px;
            background-color: var(--white);
            border: 1px solid var(--primary-light);
            padding: 12px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            display: none;
            flex-direction: column;
            align-items: center;
            gap: 6px;
        }

        .qr-popup img {
            width: 120px;
            height: 120px;
        }

        .qr-popup p {
            font-size: 11px;
            color: var(--text-muted);
            margin: 0;
        }

        .float-btn:hover .qr-popup {
            display: flex;
        }

        /* 友情链接与页脚 */
        footer {
            background-color: var(--dark);
            color: var(--white);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            font-size: 18px;
            margin-bottom: 16px;
            color: var(--white);
        }

        .footer-brand p {
            font-size: 13px;
            color: #b0bec5;
        }

        .footer-links h5 {
            font-size: 15px;
            margin-bottom: 16px;
            color: var(--white);
            border-left: 3px solid var(--primary);
            padding-left: 10px;
        }

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

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

        .footer-links ul li a {
            color: #b0bec5;
            font-size: 13px;
            transition: var(--transition);
        }

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

        .friend-links-box {
            border-top: 1px solid #37474f;
            padding-top: 30px;
            margin-bottom: 30px;
        }

        .friend-links-box h5 {
            font-size: 14px;
            color: #b0bec5;
            margin-bottom: 12px;
        }

        .friend-links-container {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
        }

        .friend-links-container a {
            color: #b0bec5;
            font-size: 13px;
        }

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

        .footer-bottom {
            border-top: 1px solid #37474f;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .footer-bottom p {
            font-size: 12px;
            color: #90a4ae;
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom-links a {
            font-size: 12px;
            color: #90a4ae;
        }

        /* 动画基础 */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .contact-grid, .news-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                padding: 20px;
                border-bottom: 1px solid var(--primary-light);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 2rem;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item::after {
                left: 23px;
            }
            .right {
                left: 0%;
            }
            .grid-3, .token-grid, .training-grid, .reviews-grid, .case-grid, .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }