:root {
            --primary: #e0115f;
            --primary-hover: #c20d4f;
            --primary-light: #fff0f5;
            --accent: #ff2a7a;
            --text-dark: #1f1f24;
            --text-light: #666677;
            --bg-light: #fafafa;
            --bg-white: #ffffff;
            --border-color: #ffe4e1;
            --shadow-sm: 0 2px 8px rgba(224, 17, 95, 0.05);
            --shadow-md: 0 8px 24px rgba(224, 17, 95, 0.08);
            --shadow-lg: 0 16px 40px rgba(224, 17, 95, 0.12);
            --max-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

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

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

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

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

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

        .ai-page-logo {
            height: 40px;
            object-fit: contain;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            background: linear-gradient(45deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 20px;
        }

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

        .nav-link {
            color: var(--text-dark);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 6px;
        }

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

        .btn-register {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white !important;
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 10px rgba(224, 17, 95, 0.2);
        }

        .btn-register:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(224, 17, 95, 0.3);
        }

        /* 移动端菜单开关 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }

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

        /* 英雄首屏 (首屏无图片) */
        .hero {
            padding: 100px 0 80px;
            background: radial-gradient(circle at 80% 20%, #fff5f8 0%, #ffffff 100%);
            text-align: center;
            position: relative;
            border-bottom: 1px solid var(--border-color);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 10%;
            left: 5%;
            width: 80px;
            height: 80px;
            background: radial-gradient(circle, rgba(255,42,122,0.1) 0%, transparent 70%);
            border-radius: 50%;
        }

        .hero-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 24px;
            border: 1px solid var(--border-color);
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

        .hero-title span {
            color: var(--primary);
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 20px rgba(224, 17, 95, 0.25);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(224, 17, 95, 0.35);
            color: white;
        }

        .btn-secondary {
            background-color: var(--bg-white);
            color: var(--text-dark);
            border: 2px solid var(--border-color);
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: var(--primary-light);
        }

        /* 全局Section标题 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        .section-tag {
            color: var(--primary);
            font-size: 0.85rem;
            text-transform: uppercase;
            font-weight: 700;
            letter-spacing: 2px;
            margin-bottom: 10px;
            display: block;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-light);
        }

        /* 数据指标 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }

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

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-light);
        }

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

        .about-image-wrapper {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

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

        .about-text {
            color: var(--text-light);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }

        .feature-bullets {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .bullet-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            font-weight: 500;
        }

        .bullet-icon {
            color: var(--primary);
            flex-shrink: 0;
        }

        /* 全平台AIGC服务 (模型网格) */
        .models-box {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px;
            box-shadow: var(--shadow-sm);
        }

        .model-tags-container {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 20px;
        }

        .model-tag {
            background-color: var(--bg-light);
            border: 1px solid var(--border-color);
            color: var(--text-dark);
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .model-tag:hover {
            background-color: var(--primary-light);
            color: var(--primary);
            border-color: var(--accent);
            transform: scale(1.05);
        }

        /* 一站式AIGC制作 (服务能力卡片) */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .service-icon-box {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            font-weight: 700;
        }

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

        /* 全行业解决方案 (带方版素材图) */
        .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .square-pic-box {
            display: flex;
            justify-content: center;
        }

        .square-pic-box img {
            border-radius: 16px;
            box-shadow: var(--shadow-md);
            max-width: 320px;
            width: 100%;
        }

        .solution-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .solution-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
        }

        .solution-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .solution-item p {
            font-size: 0.9rem;
            color: var(--text-light);
        }

        /* 流程与技术标准 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px 0;
        }

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

        .timeline-item {
            padding: 20px 30px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            background-color: var(--bg-white);
            border: 3px solid var(--primary);
            top: 30px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
            text-align: right;
        }

        .right {
            left: 50%;
        }

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

        .timeline-content {
            padding: 20px;
            background-color: var(--bg-white);
            position: relative;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .timeline-content h3 {
            color: var(--primary);
            margin-bottom: 8px;
            font-size: 1.15rem;
        }

        /* 案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background-color: var(--bg-white);
            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);
            border-color: var(--accent);
        }

        .case-info {
            padding: 25px;
        }

        .case-info h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .case-info p {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        .case-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        .case-tag {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        /* 对比评测 */
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
            background-color: var(--bg-white);
        }

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

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

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

        .comparison-table tr:hover {
            background-color: rgba(255, 240, 245, 0.3);
        }

        .highlight-col {
            background-color: rgba(255, 240, 245, 0.5);
            font-weight: 600;
            color: var(--primary);
        }

        .review-score-box {
            display: flex;
            align-items: center;
            gap: 30px;
            background-color: var(--primary-light);
            border-radius: 16px;
            padding: 30px;
            margin-top: 30px;
            border: 1px dashed var(--accent);
        }

        .score-number {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .score-meta h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-dark);
        }

        .stars {
            color: #ffb400;
            font-size: 1.2rem;
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .token-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .token-card.best-value::after {
            content: '推荐';
            position: absolute;
            top: 12px;
            right: 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 700;
        }

        .token-model-name {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .token-price-val {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .token-features {
            list-style: none;
            font-size: 0.85rem;
            color: var(--text-light);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        /* 培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

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

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

        .training-cert {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 10px;
            display: inline-block;
            background-color: var(--primary-light);
            padding: 2px 8px;
            border-radius: 4px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            color: var(--text-light);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding-bottom: 20px;
            transition: max-height 0.5s ease-in-out;
        }

        .faq-icon::before {
            content: '+';
            font-weight: bold;
            color: var(--primary);
            font-size: 1.2rem;
        }

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

        /* 百科词条 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .glossary-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 10px;
        }

        .glossary-card h4 {
            color: var(--primary);
            margin-bottom: 8px;
        }

        /* 最新资讯 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .news-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }

        .news-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            justify-content: space-between;
        }

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .review-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .review-text {
            font-style: italic;
            color: var(--text-light);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .review-user-info h5 {
            font-size: 0.95rem;
            font-weight: 700;
        }

        .review-user-info p {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* 需求提交与加盟 */
        .form-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: flex-start;
        }

        .contact-info-panel {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
        }

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

        .contact-item h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
            color: var(--primary);
        }

        .contact-item p {
            color: var(--text-light);
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 30px;
            flex-wrap: wrap;
        }

        .qr-card {
            text-align: center;
            font-size: 0.8rem;
        }

        .qr-card img {
            width: 120px;
            height: 120px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 8px;
            padding: 4px;
            background: #fff;
        }

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

        .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 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background-color: var(--bg-light);
            color: var(--text-dark);
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--accent);
            background-color: #fff;
            box-shadow: 0 0 0 3px rgba(255, 42, 122, 0.1);
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e0115f' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 16px;
            padding-right: 40px;
        }

        .btn-submit {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(224, 17, 95, 0.2);
            transition: var(--transition);
        }

        .btn-submit:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(224, 17, 95, 0.3);
        }

        /* 标签云与页脚 */
        .tags-cloud-wrap {
            text-align: center;
            padding: 30px;
            background-color: var(--bg-white);
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .cloud-tag {
            background-color: var(--bg-light);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-light);
            border: 1px solid var(--border-color);
        }

        footer {
            background-color: #1a020a;
            color: #ffccd8;
            padding: 60px 0 30px;
            border-top: 3px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            margin-bottom: 15px;
            
        }

        .footer-about p {
            color: #bfa5ac;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .footer-col h4 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 1.05rem;
            position: relative;
        }

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

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #bfa5ac;
            font-size: 0.9rem;
        }

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

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

        .friend-links a {
            color: #bfa5ac;
            font-size: 0.85rem;
            background-color: rgba(255,255,255,0.05);
            padding: 4px 10px;
            border-radius: 4px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #998086;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 浮动客服 */
        .float-kefu {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .kefu-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(224, 17, 95, 0.4);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 700;
            font-size: 0.85rem;
            text-align: center;
            line-height: 1.1;
        }

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

        .back-top {
            display: none;
            background-color: #212124;
        }

        .kefu-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: white;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 16px;
            box-shadow: var(--shadow-lg);
            display: none;
            width: 180px;
            text-align: center;
        }

        .kefu-popover img {
            width: 140px;
            height: 140px;
            margin-bottom: 8px;
        }

        .kefu-popover p {
            font-size: 0.75rem;
            color: var(--text-dark);
            font-weight: 600;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .about-layout, .solution-grid, .form-layout {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--bg-white);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .timeline::before {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 55px;
                padding-right: 0;
            }
            .left {
                text-align: left;
            }
            .left::after, .right::after {
                left: 23px;
            }
            .timeline-item.right {
                left: 0%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .review-score-box {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }
        }