:root {
            --primary-candy: #ff6b8b;
            --secondary-candy: #4ecdc4;
            --accent-candy: #ffbe0b;
            --purple-candy: #a29bfe;
            --dark-text: #2d3436;
            --light-bg: #fcfaff;
            --white: #ffffff;
            --gray-light: #f5f6fa;
            --border-color: #f1f2f6;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--dark-text);
            background-color: var(--light-bg);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
        }

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

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

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

        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }

        .nav-menu a, .ai-page-home-link {
            text-decoration: none;
            color: var(--dark-text);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            padding: 5px 10px;
            border-radius: 8px;
        }

        .nav-menu a:hover, .ai-page-home-link:hover {
            color: var(--primary-candy);
            background-color: rgba(255, 107, 139, 0.08);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary-candy), var(--purple-candy));
            color: var(--white) !important;
            padding: 8px 18px !important;
            border-radius: 20px !important;
            box-shadow: 0 4px 15px rgba(255, 107, 139, 0.3);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 139, 0.4);
        }

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

        .menu-toggle span {
            width: 25px;
            height: 30px;
            height: 3px;
            background-color: var(--dark-text);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero-section {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 10% 20%, rgba(255, 107, 139, 0.08) 0%, rgba(78, 205, 196, 0.05) 90%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: var(--primary-candy);
            filter: blur(150px);
            opacity: 0.15;
            top: -50px;
            left: -50px;
            border-radius: 50%;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: var(--secondary-candy);
            filter: blur(150px);
            opacity: 0.15;
            bottom: -50px;
            right: -50px;
            border-radius: 50%;
        }

        .hero-badge {
            display: inline-block;
            background: linear-gradient(90deg, rgba(255,107,139,0.1), rgba(78,205,196,0.1));
            border: 1px solid rgba(255,107,139,0.2);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: var(--primary-candy);
            font-weight: 600;
            margin-bottom: 25px;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 2.8rem;
            line-height: 1.25;
            font-weight: 800;
            background: linear-gradient(135deg, #2d3436 30%, var(--primary-candy) 70%, var(--purple-candy) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 20px;
            word-break: break-all;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: #636e72;
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-candy), var(--secondary-candy));
            color: var(--white);
            text-decoration: none;
            padding: 15px 35px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            box-shadow: 0 10px 25px rgba(255, 107, 139, 0.3);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 107, 139, 0.4);
        }

        .btn-secondary {
            background: var(--white);
            color: var(--dark-text);
            text-decoration: none;
            padding: 15px 35px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            border: 2px solid var(--border-color);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            border-color: var(--secondary-candy);
            color: var(--secondary-candy);
            transform: translateY(-3px);
        }

        /* 数据指标卡片 - 融入首屏 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--white);
            padding: 25px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .stat-card h3 {
            font-size: 2rem;
            color: var(--primary-candy);
            margin-bottom: 5px;
            font-weight: 700;
        }

        .stat-card p {
            color: #7f8c8d;
            font-size: 0.9rem;
        }

        /* 通用区块样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .section-title h2 {
            font-size: 2.2rem;
            color: var(--dark-text);
            font-weight: 700;
            position: relative;
            display: inline-block;
            margin-bottom: 15px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-candy), var(--secondary-candy));
            border-radius: 2px;
        }

        .section-title p {
            color: #7f8c8d;
            font-size: 1.1rem;
        }

        /* 平台介绍 & 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .about-text {
            background: var(--white);
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.02);
            border: 1px solid var(--border-color);
        }

        .about-text h3 {
            font-size: 1.6rem;
            margin-bottom: 20px;
            color: var(--primary-candy);
        }

        .about-text p {
            margin-bottom: 15px;
            color: #555;
            line-height: 1.8;
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .about-feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--gray-light);
            padding: 15px;
            border-radius: 12px;
            font-weight: 600;
            color: var(--dark-text);
        }

        .about-feature-item span {
            color: var(--secondary-candy);
            font-size: 1.2rem;
        }

        .brand-card {
            background: linear-gradient(135deg, var(--purple-candy), var(--secondary-candy));
            padding: 40px;
            border-radius: 24px;
            color: var(--white);
            text-align: center;
            box-shadow: 0 15px 35px rgba(162, 155, 254, 0.3);
        }

        .brand-card h4 {
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

        .brand-card p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 25px;
        }

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

        .service-card {
            background: var(--white);
            padding: 35px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: var(--primary-candy);
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.05);
        }

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

        .service-card:nth-child(2n)::before {
            background: var(--secondary-candy);
        }

        .service-card:nth-child(3n)::before {
            background: var(--accent-candy);
        }

        .icon-box {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 25px;
            background: rgba(255, 107, 139, 0.1);
            color: var(--primary-candy);
        }

        .service-card:nth-child(2n) .icon-box {
            background: rgba(78, 205, 196, 0.1);
            color: var(--secondary-candy);
        }

        .service-card:nth-child(3n) .icon-box {
            background: rgba(255, 190, 11, 0.1);
            color: var(--accent-candy);
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--dark-text);
        }

        .service-card p {
            color: #7f8c8d;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .model-tag {
            font-size: 0.75rem;
            background: var(--gray-light);
            padding: 3px 8px;
            border-radius: 6px;
            color: #636e72;
        }

        /* 流程与标准时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background: var(--border-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }

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

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: var(--white);
            border: 4px solid var(--primary-candy);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -10px;
            border-color: var(--secondary-candy);
        }

        .timeline-content {
            padding: 20px 30px;
            background-color: var(--white);
            position: relative;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 15px rgba(0,0,0,0.01);
        }

        .timeline-content h3 {
            font-size: 1.15rem;
            color: var(--dark-text);
            margin-bottom: 10px;
        }

        /* 对比评测板块 */
        .comparison-section {
            background-color: var(--white);
        }

        .comp-score-box {
            text-align: center;
            background: linear-gradient(135deg, rgba(255, 107, 139, 0.05), rgba(78, 205, 196, 0.05));
            border: 1px dashed var(--primary-candy);
            padding: 30px;
            border-radius: 20px;
            max-width: 600px;
            margin: 0 auto 40px;
        }

        .comp-stars {
            color: var(--accent-candy);
            font-size: 1.8rem;
            margin-bottom: 10px;
        }

        .comp-score {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary-candy);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.01);
        }

        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: var(--white);
            min-width: 700px;
        }

        .comp-table th, .comp-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .comp-table th {
            background-color: var(--gray-light);
            font-weight: 700;
            color: var(--dark-text);
        }

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

        .comp-table td strong {
            color: var(--primary-candy);
        }

        /* 案例展示区 - 包含真实媒体资源 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--white);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 35px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.06);
        }

        .case-img-wrapper {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background-color: var(--gray-light);
        }

        .case-img-wrapper.square {
            aspect-ratio: 1 / 1;
        }

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

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

        .case-tag {
            position: absolute;
            top: 15px;
            left: 15px;
            background: rgba(255, 255, 255, 0.95);
            color: var(--primary-candy);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .case-info {
            padding: 25px;
        }

        .case-info h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--dark-text);
        }

        .case-info p {
            color: #7f8c8d;
            font-size: 0.9rem;
        }

        /* 解决案例中横竖排图需求 */
        .case-banner-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .banner-item {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0,0,0,0.02);
        }

        .banner-item img {
            width: 100%;
            display: block;
        }

        /* Token 比价 */
        .token-pricing-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .token-card {
            background: var(--white);
            border-radius: 16px;
            padding: 25px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .token-card.popular {
            border: 2px solid var(--primary-candy);
            position: relative;
        }

        .token-card.popular::before {
            content: '超值推荐';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary-candy);
            color: var(--white);
            padding: 2px 10px;
            border-radius: 10px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .token-card h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .token-price {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--secondary-candy);
            margin: 15px 0;
        }

        .token-price span {
            font-size: 0.8rem;
            color: #7f8c8d;
            font-weight: 400;
        }

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

        .training-card {
            background: linear-gradient(180deg, var(--white) 0%, var(--gray-light) 100%);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--purple-candy);
            box-shadow: 0 10px 25px rgba(162, 155, 254, 0.15);
        }

        .training-card span {
            font-size: 1.5rem;
            margin-bottom: 10px;
            display: block;
        }

        .training-card h4 {
            font-size: 0.95rem;
            color: var(--dark-text);
        }

        /* 评论版块 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .testimonial-card {
            background: var(--white);
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: 0 8px 30px rgba(0,0,0,0.01);
            position: relative;
        }

        .testimonial-card::after {
            content: '“';
            position: absolute;
            top: 20px;
            right: 25px;
            font-size: 4rem;
            color: rgba(255, 107, 139, 0.1);
            font-family: Georgia, serif;
            line-height: 1;
        }

        .user-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-candy), var(--accent-candy));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 700;
            font-size: 1.1rem;
        }

        .user-info h4 {
            font-size: 0.95rem;
            color: var(--dark-text);
        }

        .user-info span {
            font-size: 0.8rem;
            color: #7f8c8d;
        }

        .testimonial-card p {
            font-size: 0.9rem;
            color: #555;
            line-height: 1.7;
        }

        /* 资讯/知识库 */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .article-card {
            background: var(--white);
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card h3 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .article-card h3 a {
            color: var(--dark-text);
            text-decoration: none;
            transition: var(--transition);
        }

        .article-card h3 a:hover {
            color: var(--primary-candy);
        }

        .article-links {
            list-style: none;
            margin-top: 15px;
        }

        .article-links li {
            margin-bottom: 10px;
            padding-left: 15px;
            position: relative;
        }

        .article-links li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--secondary-candy);
        }

        .article-links a {
            font-size: 0.9rem;
            color: #555;
            text-decoration: none;
        }

        .article-links a:hover {
            color: var(--secondary-candy);
        }

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

        .faq-item {
            background: var(--white);
            border-radius: 12px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            overflow: hidden;
        }

        .faq-question {
            padding: 20px 25px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.4rem;
            color: var(--primary-candy);
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
        }

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

        .faq-answer-content {
            padding: 20px 25px;
            color: #555;
            font-size: 0.95rem;
            border-top: 1px solid var(--border-color);
        }

        /* 服务网络与标签云 */
        .cloud-network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            background: var(--white);
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
        }

        .cloud-tag {
            font-size: 0.9rem;
            background: var(--gray-light);
            color: var(--dark-text);
            padding: 8px 16px;
            border-radius: 30px;
            text-decoration: none;
            transition: var(--transition);
        }

        .cloud-tag:hover {
            background: var(--primary-candy);
            color: var(--white);
            transform: scale(1.05);
        }

        .network-box {
            background: var(--white);
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
        }

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

        .network-list li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            justify-content: space-between;
        }

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

        /* 需求匹配与联系我们表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
        }

        .form-wrapper {
            background: var(--white);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            box-shadow: 0 15px 35px rgba(0,0,0,0.02);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            background-color: var(--gray-light);
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--secondary-candy);
            background-color: var(--white);
            box-shadow: 0 0 8px rgba(78, 205, 196, 0.2);
        }

        .btn-submit {
            background: linear-gradient(135deg, var(--primary-candy), var(--purple-candy));
            color: var(--white);
            border: none;
            padding: 14px 30px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 10px;
            cursor: pointer;
            width: 100%;
            transition: var(--transition);
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 107, 139, 0.3);
        }

        .info-wrapper {
            background: linear-gradient(135deg, var(--primary-candy), var(--purple-candy));
            color: var(--white);
            padding: 40px;
            border-radius: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-item {
            margin-bottom: 25px;
        }

        .info-item h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .info-item p {
            opacity: 0.9;
            font-size: 0.95rem;
        }

        .qr-codes {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-top: 30px;
            text-align: center;
        }

        .qr-box {
            background: rgba(255,255,255,0.1);
            padding: 20px;
            border-radius: 16px;
            backdrop-filter: blur(10px);
        }

        .qr-box img {
            width: 130px;
            height: 130px;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        /* 页脚 */
        footer {
            background-color: #2d3436;
            color: #b2bec3;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: var(--white);
            margin-bottom: 20px;
            font-size: 1.1rem;
            position: relative;
        }

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

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #b2bec3;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--white);
        }

        .friendship-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 15px;
            margin-top: 15px;
        }

        .friendship-links a {
            color: #818e97;
            text-decoration: none;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .friendship-links a:hover {
            color: var(--secondary-candy);
        }

        .footer-bottom {
            border-top: 1px solid #3d4648;
            padding-top: 30px;
            text-align: center;
            font-size: 0.8rem;
        }

        /* 浮动客服 */
        .floating-contact {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--white);
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
            font-size: 1.3rem;
            color: var(--primary-candy);
        }

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

        .qr-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--white);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            border: 1px solid var(--border-color);
        }

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

        .qr-popover p {
            font-size: 0.75rem;
            color: var(--dark-text);
            margin-top: 8px;
        }

        .float-btn:hover .qr-popover {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid, .service-grid, .testimonial-grid, .token-pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @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(--border-color);
                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;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .about-grid, .cloud-network-grid, .contact-grid, .article-grid {
                grid-template-columns: 1fr;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item::after {
                left: 21px;
            }
            .right {
                left: 0%;
            }
            .service-grid, .testimonial-grid, .token-pricing-grid, .case-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .case-banner-row {
                grid-template-columns: 1fr;
            }
        }