:root {
            --primary-gradient: linear-gradient(135deg, #0052d9 0%, #00f2fe 100%);
            --secondary-gradient: linear-gradient(135deg, #ff0844 0%, #ffb199 100%);
            --accent-gradient: linear-gradient(135deg, #f02fc2 0%, #6094ea 100%);
            --text-dark: #1d2129;
            --text-muted: #4e5969;
            --text-light: #86909c;
            --bg-light: #f4f7fc;
            --bg-white: #ffffff;
            --border-color: #e5e6eb;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
        }

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

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

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 700;
            font-size: 1.25rem;
        }

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

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

        .nav-links a {
            text-decoration: none;
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.2s ease;
        }

        .nav-links a:hover {
            color: #0052d9;
        }

        .nav-btn {
            background: var(--primary-gradient);
            color: #ffffff !important;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(0, 82, 217, 0.2);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 82, 217, 0.3);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-dark);
            transition: 0.3s;
        }

        /* 首屏 Hero 区域 - 无背景图设计 */
        .hero {
            padding: 160px 0 100px;
            background: linear-gradient(180deg, rgba(0, 82, 217, 0.05) 0%, rgba(244, 247, 252, 1) 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            left: -10%;
            width: 40%;
            height: 60%;
            background: radial-gradient(circle, rgba(0, 242, 254, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
            z-index: 1;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -10%;
            right: -10%;
            width: 50%;
            height: 60%;
            background: radial-gradient(circle, rgba(240, 47, 194, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(0, 82, 217, 0.08);
            color: #0052d9;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 24px;
            position: relative;
            z-index: 2;
        }

        .hero-h1 {
            font-size: 3.2rem;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 24px;
            letter-spacing: -1px;
            position: relative;
            z-index: 2;
        }

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

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
            position: relative;
            z-index: 2;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            position: relative;
            z-index: 2;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: #ffffff;
            text-decoration: none;
            padding: 16px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 8px 24px rgba(0, 82, 217, 0.25);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(0, 82, 217, 0.35);
        }

        .btn-outline {
            border: 2px solid #0052d9;
            color: #0052d9;
            text-decoration: none;
            padding: 14px 38px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            background: transparent;
            transition: all 0.2s;
        }

        .btn-outline:hover {
            background: rgba(0, 82, 217, 0.05);
            transform: translateY(-2px);
        }

        /* 全局通用 Section */
        section {
            padding: 100px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 2.25rem;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }

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

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 数据指标卡片 */
        .stats-section {
            background: var(--bg-white);
            margin-top: -60px;
            position: relative;
            z-index: 10;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stat-card h3 {
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .stat-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
        }

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

        .about-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.75rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

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

        .about-feat-item {
            background: var(--bg-light);
            padding: 20px;
            border-radius: var(--radius-md);
            border-left: 4px solid #0052d9;
        }

        .about-feat-item h4 {
            margin-bottom: 8px;
            font-size: 1rem;
            color: var(--text-dark);
        }

        .about-feat-item p {
            font-size: 0.875rem;
            color: var(--text-muted);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .tag-cloud span {
            background: rgba(0, 82, 217, 0.05);
            color: #0052d9;
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        /* 全平台AIGC服务 / 模型聚合 */
        .models-section {
            background: var(--bg-light);
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .model-badge {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            color: var(--text-dark);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
        }

        .model-badge:hover {
            transform: translateY(-3px);
            border-color: #00f2fe;
            box-shadow: 0 10px 20px rgba(0, 242, 254, 0.15);
        }

        /* 一站式AIGC制作 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 40px 30px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
            border: 1px solid var(--border-color);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: #0052d9;
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-size: 1.5rem;
            font-weight: bold;
            margin-bottom: 24px;
        }

        .feature-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
        }

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

        /* 案例展示（含图片资源） */
        .showcase-section {
            background: var(--bg-white);
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .showcase-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            background: var(--bg-light);
            border: 1px solid var(--border-color);
        }

        .showcase-img-container {
            width: 100%;
            height: 300px;
            overflow: hidden;
            background: #eaeaea;
        }

        .ai-page-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .showcase-card:hover .ai-page-image {
            transform: scale(1.05);
        }

        .showcase-info {
            padding: 30px;
        }

        .showcase-info h3 {
            margin-bottom: 10px;
            font-size: 1.35rem;
        }

        .showcase-info p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        /* 对比评测 */
        .rating-section {
            background: linear-gradient(135deg, rgba(0, 82, 217, 0.02) 0%, rgba(0, 242, 254, 0.05) 100%);
        }

        .rating-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 50px;
            max-width: 1000px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

        .rating-score-box {
            text-align: center;
            border-right: 1px solid var(--border-color);
            padding-right: 40px;
        }

        .rating-score-box .score {
            font-size: 5rem;
            font-weight: 900;
            line-height: 1;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 10px;
        }

        .rating-score-box .stars {
            color: #ffb800;
            font-size: 1.5rem;
            margin-bottom: 10px;
        }

        .rating-score-box .label {
            font-weight: 700;
            color: var(--text-muted);
        }

        .rating-table-wrapper {
            overflow-x: auto;
        }

        .rating-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .rating-table th, .rating-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-color);
        }

        .rating-table th {
            font-weight: 700;
            color: var(--text-dark);
        }

        .rating-table td {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 流程步骤与时间线 */
        .process-section {
            background: var(--bg-white);
        }

        .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(--bg-white);
            border: 4px solid #0052d9;
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left-item {
            left: 0;
        }

        .right-item {
            left: 50%;
        }

        .right-item::after {
            left: -10px;
        }

        .timeline-content {
            padding: 20px 30px;
            background-color: var(--bg-light);
            position: relative;
            border-radius: var(--radius-md);
        }

        .timeline-content h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: #0052d9;
        }

        .timeline-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 价格与Token比价 */
        .price-section {
            background: var(--bg-light);
        }

        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .price-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 40px 30px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .price-card.popular {
            border-color: #0052d9;
            transform: scale(1.05);
            box-shadow: var(--shadow-md);
        }

        .price-card.popular::before {
            content: '推荐';
            position: absolute;
            top: 20px;
            right: -30px;
            background: var(--secondary-gradient);
            color: #fff;
            padding: 4px 30px;
            font-size: 0.75rem;
            font-weight: 700;
            transform: rotate(45deg);
        }

        .price-card h3 {
            margin-bottom: 12px;
            font-size: 1.35rem;
        }

        .price-card .price {
            font-size: 2.25rem;
            font-weight: 800;
            color: #0052d9;
            margin-bottom: 24px;
        }

        .price-card .price span {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .price-features {
            list-style: none;
            margin-bottom: 32px;
            text-align: left;
        }

        .price-features li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 培训业务 */
        .training-section {
            background: var(--bg-white);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            transition: all 0.3s;
            border: 1px solid var(--border-color);
        }

        .training-card:hover {
            transform: translateY(-5px);
            background: var(--bg-white);
            border-color: #00f2fe;
            box-shadow: var(--shadow-md);
        }

        .training-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .training-card p {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        /* 常见用户问题 FAQ */
        .faq-section {
            background: var(--bg-light);
        }

        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .faq-header {
            padding: 20px 24px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background 0.3s;
        }

        .faq-header:hover {
            background: rgba(0, 82, 217, 0.02);
        }

        .faq-header::after {
            content: '+';
            font-size: 1.25rem;
            color: var(--text-muted);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-header::after {
            content: '-';
            transform: rotate(90deg);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-content {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        /* 自助排查与百科 */
        .help-center-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 50px;
        }

        .help-panel {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--shadow-sm);
        }

        .help-panel h3 {
            font-size: 1.35rem;
            margin-bottom: 20px;
            color: #0052d9;
        }

        .help-panel ul {
            list-style: none;
        }

        .help-panel li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            font-size: 0.95rem;
        }

        /* 用户评论 */
        .reviews-section {
            background: var(--bg-white);
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 30px;
            position: relative;
        }

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

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

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

        .user-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
        }

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

        /* 资讯 / 知识库 */
        .news-section {
            background: var(--bg-light);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .news-info {
            padding: 24px;
        }

        .news-info h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
        }

        .news-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .news-link {
            color: #0052d9;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        /* 联系我们 / 加盟代理 / 智能表单 */
        .contact-section {
            background: var(--bg-white);
        }

        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
        }

        .contact-info-area h3 {
            font-size: 1.75rem;
            margin-bottom: 20px;
        }

        .contact-details {
            list-style: none;
            margin-bottom: 40px;
        }

        .contact-details li {
            padding: 12px 0;
            display: flex;
            align-items: center;
            gap: 15px;
            font-size: 1rem;
            color: var(--text-muted);
        }

        .qr-codes {
            display: flex;
            gap: 30px;
        }

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

        .qr-item img {
            width: 140px;
            height: 140px;
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            margin-bottom: 8px;
        }

        .qr-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .form-area {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 40px;
            border: 1px solid var(--border-color);
        }

        .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-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            font-size: 1rem;
            background: var(--bg-white);
        }

        .form-control:focus {
            outline: none;
            border-color: #0052d9;
        }

        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

        .btn-submit {
            background: var(--primary-gradient);
            color: #ffffff;
            border: none;
            padding: 14px 30px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            cursor: pointer;
            width: 100%;
            font-size: 1rem;
            box-shadow: 0 4px 12px rgba(0, 82, 217, 0.2);
            transition: all 0.2s;
        }

        .btn-submit:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(0, 82, 217, 0.3);
        }

        /* 友情链接与页脚 */
        footer {
            background: #111318;
            color: #86909c;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid #2e3541;
        }

        .footer-logo {
            margin-bottom: 20px;
        }

        .footer-links-col h4 {
            color: #ffffff;
            margin-bottom: 20px;
            font-size: 1rem;
        }

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

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

        .footer-links-col a {
            color: #86909c;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-links-col a:hover {
            color: #ffffff;
        }

        .footer-links-col .ai-page-home-link {
            color: #0052d9;
            font-weight: bold;
        }

        .friend-links {
            margin-top: 20px;
        }

        .friend-links a {
            display: inline-block;
            margin-right: 15px;
            margin-bottom: 10px;
            color: #86909c;
            text-decoration: none;
        }

        .friend-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom p {
            font-size: 0.8rem;
        }

        /* 悬浮侧边栏 */
        .floating-service {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 48px;
            height: 48px;
            background: var(--bg-white);
            border-radius: 50%;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            border: 1px solid var(--border-color);
        }

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: #0052d9;
        }

        .float-qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            display: none;
            text-align: center;
        }

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

        .float-qr-popup p {
            font-size: 0.8rem;
            margin-top: 8px;
            white-space: nowrap;
            color: var(--text-dark);
        }

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

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

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: var(--bg-white);
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
            }

            .nav-links.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .hero-h1 {
                font-size: 2.2rem;
            }

            .about-layout, .showcase-grid, .rating-card, .help-center-grid, .reviews-grid, .news-grid, .contact-layout {
                grid-template-columns: 1fr;
            }

            .rating-card {
                padding: 24px;
            }

            .rating-score-box {
                border-right: none;
                border-bottom: 1px solid var(--border-color);
                padding-right: 0;
                padding-bottom: 20px;
            }

            .timeline::after {
                left: 31px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }

            .timeline-item::after {
                left: 21px;
            }

            .right-item {
                left: 0%;
            }

            .price-grid {
                grid-template-columns: 1fr;
            }

            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }
        }