:root {
            --primary: #e60012; /* 艳红 */
            --primary-hover: #b8000e;
            --primary-light: #fff5f5;
            --text-dark: #1f1f1f;
            --text-muted: #666666;
            --bg-light: #fafafa;
            --bg-white: #ffffff;
            --border-color: #eaeaea;
            --shadow: 0 4px 20px rgba(230, 0, 18, 0.08);
            --transition: all 0.3s ease;
            --container-width: 1200px;
        }

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

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

        /* 统一容器样式 */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
            background-color: var(--bg-white);
        }

        section:nth-child(even) {
            background-color: var(--bg-light);
        }

        /* 头部样式 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            z-index: 1000;
            backdrop-filter: blur(10px);
        }

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

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

        .logo-box img {
            max-height: 45px;
            object-fit: contain;
        }

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

        .nav-links a {
            text-decoration: none;
            color: var(--text-dark);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

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

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

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

        /* 移动端导航菜单 */
        @media (max-width: 992px) {
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--bg-white);
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 4px 10px rgba(0,0,0,0.1);
                border-top: 1px solid var(--border-color);
                gap: 15px;
                max-height: 400px;
                overflow-y: auto;
            }
            .nav-links.active {
                display: flex;
            }
        }

        /* 按钮通用样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 4px;
            transition: var(--transition);
            text-decoration: none;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--bg-white);
            box-shadow: 0 4px 12px rgba(230, 0, 18, 0.2);
        }

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

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

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

        /* H2标题规范 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-dark);
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            margin-top: 15px;
        }

        /* 1. Hero 首屏 (无图) */
        .hero-section {
            padding: 160px 0 100px 0;
            background: linear-gradient(135deg, #fff5f5 0%, #ffe3e3 100%);
            text-align: center;
            border-bottom: none;
        }

        .hero-section h1 {
            font-size: 44px;
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.3;
            margin-bottom: 24px;
        }

        .hero-section h1 span {
            color: var(--primary);
        }

        .hero-section p {
            font-size: 20px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px auto;
        }

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

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

        .stat-card {
            background-color: var(--bg-white);
            padding: 30px 20px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border-top: 4px solid var(--primary);
            transition: var(--transition);
        }

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

        .stat-card h3 {
            font-size: 36px;
            color: var(--primary);
            margin-bottom: 10px;
        }

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

        @media (max-width: 768px) {
            .hero-section h1 { font-size: 32px; }
            .hero-section p { font-size: 16px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }

        /* 2. 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .about-text p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 20px;
            text-align: justify;
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }

        .about-feat-item {
            background-color: var(--bg-light);
            padding: 15px;
            border-radius: 6px;
            border-left: 3px solid var(--primary);
        }

        .about-feat-item h4 {
            font-size: 16px;
            margin-bottom: 5px;
        }

        .about-feat-item p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }

        @media (max-width: 768px) {
            .about-grid { grid-template-columns: 1fr; }
        }

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

        .service-card {
            background-color: var(--bg-white);
            padding: 40px 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

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

        .service-icon {
            font-size: 40px;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 20px;
            margin-bottom: 15px;
        }

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

        .model-list-box {
            grid-column: span 3;
            background: var(--bg-light);
            padding: 30px;
            border-radius: 8px;
            margin-top: 30px;
        }

        .model-list-box h4 {
            font-size: 18px;
            margin-bottom: 20px;
            text-align: center;
            color: var(--primary);
        }

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

        .model-tag {
            background-color: var(--bg-white);
            color: var(--text-dark);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 12px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .model-tag:hover {
            background-color: var(--primary);
            color: var(--bg-white);
            border-color: var(--primary);
        }

        @media (max-width: 992px) {
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .model-list-box { grid-column: span 2; }
        }

        @media (max-width: 768px) {
            .services-grid { grid-template-columns: 1fr; }
            .model-list-box { grid-column: span 1; }
        }

        /* 4. 一站式制作 */
        .one-stop-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .one-stop-image img {
            border-radius: 8px;
            box-shadow: var(--shadow);
            width: 100%;
        }

        .one-stop-content h3 {
            font-size: 24px;
            margin-bottom: 20px;
        }

        .one-stop-list {
            list-style: none;
        }

        .one-stop-list li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 15px;
            font-size: 15px;
        }

        .one-stop-list li::before {
            content: '✔';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        @media (max-width: 768px) {
            .one-stop-grid { grid-template-columns: 1fr; }
        }

        /* 5. 行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .solution-card {
            background-color: var(--bg-white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .solution-info {
            padding: 25px;
        }

        .solution-info h3 {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--primary);
        }

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

        @media (max-width: 992px) {
            .solutions-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .solutions-grid { grid-template-columns: 1fr; }
        }

        /* 6. 标准化流程 & 7. 全国服务网络 */
        .process-steps {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            position: relative;
            flex-wrap: wrap;
        }

        .process-step {
            flex: 1;
            min-width: 200px;
            background-color: var(--bg-white);
            padding: 30px 20px;
            border-radius: 8px;
            text-align: center;
            box-shadow: var(--shadow);
            border-bottom: 4px solid var(--primary);
            position: relative;
        }

        .process-num {
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            color: var(--bg-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px auto;
            font-weight: 700;
        }

        .process-step h4 {
            margin-bottom: 10px;
        }

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

        .network-section {
            background-color: var(--bg-light);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

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

        .network-card {
            background-color: var(--bg-white);
            padding: 20px;
            border-radius: 6px;
            box-shadow: var(--shadow);
        }

        .network-card h4 {
            color: var(--primary);
            margin-bottom: 10px;
        }

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

        @media (max-width: 768px) {
            .network-grid { grid-template-columns: 1fr; }
            .network-details { grid-template-columns: 1fr; }
        }

        /* 8. 客户案例中心 & 用户评论 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }

        .case-card {
            display: flex;
            background-color: var(--bg-white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .case-img {
            width: 45%;
            object-fit: cover;
        }

        .case-body {
            padding: 25px;
            width: 55%;
        }

        .case-body h4 {
            font-size: 18px;
            margin-bottom: 10px;
        }

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

        @media (max-width: 768px) {
            .cases-grid { grid-template-columns: 1fr; }
            .case-card { flex-direction: column; }
            .case-img { width: 100%; height: 200px; }
            .case-body { width: 100%; }
        }

        .reviews-section {
            background-color: var(--primary-light) !important;
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background-color: var(--bg-white);
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border-top: 3px solid var(--primary);
        }

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

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

        .review-author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--primary);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 14px;
        }

        .author-info h5 {
            font-size: 14px;
            margin: 0;
        }

        .author-info p {
            font-size: 12px;
            color: var(--text-muted);
            margin: 0;
        }

        @media (max-width: 992px) {
            .reviews-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .reviews-grid { grid-template-columns: 1fr; }
        }

        /* 9. 对比评测 */
        .comparison-table-wrapper {
            overflow-x: auto;
            background-color: var(--bg-white);
            border-radius: 8px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }

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

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

        .comparison-table th {
            background-color: #ffe3e3;
            color: var(--text-dark);
            font-weight: 700;
        }

        .comparison-table tr:hover {
            background-color: var(--primary-light);
        }

        .comparison-rating-card {
            background-color: var(--primary);
            color: var(--bg-white);
            padding: 30px;
            border-radius: 8px;
            text-align: center;
            margin-top: 30px;
        }

        .comparison-rating-card h3 {
            font-size: 24px;
            margin-bottom: 15px;
        }

        .rating-stars {
            font-size: 32px;
            color: #ffd700;
            margin-bottom: 10px;
        }

        .rating-score {
            font-size: 28px;
            font-weight: 800;
        }

        /* 10. 智能需求匹配 & 18. 联系我们 表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .contact-info h3 {
            font-size: 24px;
            margin-bottom: 20px;
        }

        .contact-details {
            list-style: none;
            margin-bottom: 30px;
        }

        .contact-details li {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
            font-size: 15px;
        }

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

        .qr-item {
            text-align: center;
            background-color: var(--bg-light);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        .qr-item img {
            width: 120px;
            height: 120px;
            object-fit: cover;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .qr-item p {
            font-size: 12px;
            font-weight: 600;
            margin: 0;
        }

        .contact-form {
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 0, 18, 0.15);
        }

        @media (max-width: 768px) {
            .contact-grid { grid-template-columns: 1fr; }
            .contact-form { padding: 25px; }
        }

        /* 11. Token比价 */
        .token-price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .token-card {
            background-color: var(--bg-white);
            border-radius: 8px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow);
            text-align: center;
        }

        .token-header {
            background-color: var(--primary-light);
            padding: 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .token-header h3 {
            font-size: 18px;
            color: var(--primary);
        }

        .token-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-dark);
            margin: 15px 0;
        }

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

        .token-features {
            list-style: none;
            padding: 25px;
        }

        .token-features li {
            margin-bottom: 10px;
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 992px) {
            .token-price-grid { grid-template-columns: 1fr; }
        }

        /* 12. 职业技术培训 & 13. 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .training-card {
            background-color: var(--bg-white);
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border-left: 5px solid var(--primary);
        }

        .training-card h3 {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 15px;
        }

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

        .cert-info {
            background-color: var(--bg-light);
            padding: 15px;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .training-grid { grid-template-columns: 1fr; }
        }

        /* 15. FAQ 折叠面板 & 14. 帮助中心 */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .faq-question {
            padding: 18px 25px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: var(--bg-white);
            transition: var(--transition);
        }

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

        .faq-answer {
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 18px 25px;
            border-top-color: var(--border-color);
        }

        .faq-icon::after {
            content: '+';
            font-size: 20px;
            font-weight: bold;
            color: var(--primary);
        }

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

        /* 16. AI术语百科 & 17. 行业资讯/知识库 */
        .kb-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .kb-column h3 {
            font-size: 22px;
            margin-bottom: 20px;
            color: var(--primary);
            border-bottom: 2px solid var(--primary);
            padding-bottom: 10px;
        }

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

        .kb-item {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dashed var(--border-color);
        }

        .kb-item h4 {
            font-size: 16px;
            margin-bottom: 5px;
        }

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

        .kb-links a {
            display: block;
            font-size: 14px;
            color: var(--text-dark);
            text-decoration: none;
            margin-bottom: 10px;
            transition: var(--transition);
        }

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

        @media (max-width: 768px) {
            .kb-grid { grid-template-columns: 1fr; }
        }

        /* 19. 加盟代理 */
        .agent-section {
            background: linear-gradient(135deg, var(--primary) 0%, #a1000c 100%) !important;
            color: var(--bg-white);
            text-align: center;
        }

        .agent-section h2 {
            color: var(--bg-white);
        }

        .agent-section h2::after {
            background-color: var(--bg-white);
        }

        .agent-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }

        .agent-card {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 30px;
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.2);
            backdrop-filter: blur(5px);
        }

        .agent-card h3 {
            font-size: 20px;
            margin-bottom: 15px;
        }

        .agent-card p {
            font-size: 14px;
            opacity: 0.9;
        }

        @media (max-width: 768px) {
            .agent-grid { grid-template-columns: 1fr; }
        }

        /* 页脚 */
        footer {
            background-color: #111111;
            color: #aaaaaa;
            padding: 60px 0 30px 0;
            font-size: 14px;
        }

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

        .footer-logo img {
            max-height: 40px;
            margin-bottom: 20px;
        }

        .footer-col h4 {
            color: var(--bg-white);
            margin-bottom: 20px;
            font-size: 16px;
        }

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

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

        .footer-col ul li a {
            color: #aaaaaa;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-contact p {
            margin-bottom: 10px;
        }

        .footer-bottom {
            border-top: 1px solid #222222;
            padding-top: 30px;
            text-align: center;
            font-size: 12px;
        }

        .friend-links {
            margin-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            justify-content: center;
        }

        .friend-links a {
            color: #666666;
            text-decoration: none;
            transition: var(--transition);
        }

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

        @media (max-width: 992px) {
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 576px) {
            .footer-grid { grid-template-columns: 1fr; }
        }

        /* 悬浮客服 */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--bg-white);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            cursor: pointer;
            font-size: 20px;
            text-decoration: none;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
        }

        .float-btn .float-tooltip {
            position: absolute;
            right: 60px;
            background-color: var(--bg-white);
            color: var(--text-dark);
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 12px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
        }

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

        /* 隐藏的弹层 */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
            z-index: 1001;
            align-items: center;
            justify-content: center;
        }

        .modal.active {
            display: flex;
        }

        .modal-content {
            background-color: var(--bg-white);
            padding: 30px;
            border-radius: 8px;
            width: 90%;
            max-width: 400px;
            text-align: center;
            position: relative;
        }

        .modal-close {
            position: absolute;
            top: 15px;
            right: 15px;
            font-size: 20px;
            cursor: pointer;
            border: none;
            background: transparent;
        }