:root {
            --bg-dark: #0a0612;
            --bg-card: rgba(22, 14, 38, 0.7);
            --bg-input: rgba(13, 8, 24, 0.9);
            --primary-pink: #ff007f;
            --primary-purple: #7f00ff;
            --accent-cyan: #00f5ff;
            --text-light: #f3f0ff;
            --text-muted: #a29aa8;
            --border-glow: rgba(255, 0, 127, 0.3);
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --max-w: 1200px;
        }

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

        body {
            background-color: var(--bg-dark);
            color: var(--text-light);
            font-family: var(--font-main);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(127, 0, 255, 0.15) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(255, 0, 127, 0.15) 0%, transparent 40%);
        }

        a {
            color: var(--text-light);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 6, 18, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 0, 127, 0.15);
        }

        .nav-container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 15px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

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

        .logo-wrap img {
            height: 40px;
            object-fit: contain;
        }

        .logo-text {
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: 1px;
            background: linear-gradient(135deg, var(--primary-pink), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a:hover {
            color: var(--primary-pink);
            text-shadow: 0 0 8px var(--primary-pink);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary-pink), var(--primary-purple));
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 0 15px var(--border-glow);
        }

        .nav-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.6);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            z-index: 1001;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-light);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* 页面主体容器 */
        main {
            margin-top: 80px;
        }

        section {
            padding: 80px 20px;
            max-width: var(--max-w);
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
            font-size: 2.2rem;
            letter-spacing: 2px;
            position: relative;
        }

        .section-title span {
            background: linear-gradient(135deg, var(--accent-cyan), var(--primary-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-pink), var(--primary-purple));
            margin: 15px auto 0;
            border-radius: 2px;
        }

        /* 首屏 Hero 区 - 绝对无图设计 */
        #hero {
            min-height: 80vh;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            padding-top: 40px;
        }

        .hero-content {
            flex: 1.2;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 0, 127, 0.15);
            border: 1px solid var(--primary-pink);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--primary-pink);
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 1px;
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.1);
        }

        .hero-content h1 {
            font-size: 3rem;
            line-height: 1.2;
            margin-bottom: 20px;
            font-weight: 900;
            background: linear-gradient(135deg, #fff 40%, var(--primary-pink) 70%, var(--accent-cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 35px;
            max-width: 600px;
        }

        .hero-actions {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-pink), var(--primary-purple));
            color: #fff;
            padding: 15px 35px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.4);
            display: inline-block;
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.6);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-light);
            padding: 15px 35px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.05rem;
            display: inline-block;
        }

        .btn-secondary:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 245, 255, 0.2);
            color: var(--accent-cyan);
        }

        /* 模拟3D面板 CSS 动效（首屏替代图片） */
        .hero-visual {
            flex: 0.8;
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .cyber-panel {
            width: 320px;
            height: 320px;
            border: 2px dashed var(--accent-cyan);
            border-radius: 50%;
            position: relative;
            animation: spin 20s linear infinite;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .cyber-panel-inner {
            width: 240px;
            height: 240px;
            border: 2px solid var(--primary-pink);
            border-radius: 50%;
            position: relative;
            animation: spin-reverse 10s linear infinite;
        }

        .cyber-core {
            position: absolute;
            width: 140px;
            height: 140px;
            background: radial-gradient(circle, var(--primary-pink) 0%, var(--primary-purple) 70%, transparent 100%);
            border-radius: 50%;
            filter: blur(10px);
            opacity: 0.8;
            animation: pulse 3s infinite ease-in-out;
        }

        .cyber-data-card {
            position: absolute;
            background: var(--bg-card);
            border: 1px solid rgba(0, 245, 255, 0.3);
            border-radius: 12px;
            padding: 15px;
            font-size: 0.85rem;
            box-shadow: 0 10px 25px rgba(0,0,0,0.5);
            backdrop-filter: blur(8px);
        }

        .cdc-1 { top: -20px; right: -20px; animation: float 4s infinite ease-in-out; }
        .cdc-2 { bottom: -20px; left: -20px; animation: float 4s infinite ease-in-out 2s; }

        /* 数据指标卡片 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 60px;
        }

        .metric-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 0, 127, 0.1);
            border-radius: 16px;
            padding: 30px 20px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .metric-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-pink);
            box-shadow: 0 10px 30px rgba(255, 0, 127, 0.2);
        }

        .metric-card h3 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-cyan);
            margin-bottom: 10px;
        }

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

        /* 平台介绍 & 服务能力 */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 80px;
        }

        .intro-text h4 {
            font-size: 1.5rem;
            color: var(--accent-cyan);
            margin-bottom: 20px;
        }

        .intro-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

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

        .feature-card {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            border-color: var(--accent-cyan);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 245, 255, 0.15);
        }

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

        .feature-card h4 {
            font-size: 1.25rem;
            margin-bottom: 12px;
        }

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

        /* 支持模型标签云 */
        .tag-cloud-section {
            background: rgba(15, 9, 30, 0.8);
            border-radius: 24px;
            padding: 40px;
            border: 1px solid rgba(255, 0, 127, 0.1);
            margin-bottom: 80px;
        }

        .tag-cloud-title {
            text-align: center;
            font-size: 1.4rem;
            margin-bottom: 30px;
            color: var(--text-light);
        }

        .tag-cloud-container {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .model-tag {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            transition: all 0.3s;
        }

        .model-tag:hover {
            background: linear-gradient(135deg, var(--primary-pink), var(--primary-purple));
            transform: scale(1.05);
            box-shadow: 0 0 12px rgba(255, 0, 127, 0.4);
            border-color: transparent;
        }

        /* 流程步骤 */
        .step-timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto 80px;
            padding-left: 30px;
            border-left: 2px dashed rgba(255, 0, 127, 0.3);
        }

        .step-item {
            position: relative;
            margin-bottom: 40px;
        }

        .step-item::before {
            content: '';
            position: absolute;
            left: -41px;
            top: 5px;
            width: 20px;
            height: 20px;
            background: var(--bg-dark);
            border: 3px solid var(--primary-pink);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--primary-pink);
        }

        .step-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 10px;
        }

        .step-num {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--accent-cyan);
        }

        .step-title {
            font-size: 1.25rem;
            font-weight: 700;
        }

        .step-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 案例展示 - 允许图片 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 80px;
        }

        .case-card {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary-pink);
            box-shadow: 0 15px 35px rgba(255, 0, 127, 0.25);
        }

        .case-img-wrap {
            width: 100%;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 0, 0, 0.2);
        }

        .case-img-wrap img {
            width: 100%;
            height: auto;
            max-height: 220px;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .case-card:hover .case-img-wrap img {
            transform: scale(1.08);
        }

        .case-info {
            padding: 25px;
        }

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

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

        /* 对比评测 */
        .comparison-section {
            background: rgba(22, 14, 38, 0.4);
            border-radius: 24px;
            padding: 50px 30px;
            border: 1px solid rgba(255, 0, 127, 0.15);
            margin-bottom: 80px;
        }

        .rating-box {
            text-align: center;
            margin-bottom: 40px;
        }

        .rating-num {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--accent-cyan);
            text-shadow: 0 0 15px rgba(0, 245, 255, 0.5);
            line-height: 1;
        }

        .rating-star {
            color: #ffd700;
            font-size: 1.8rem;
            margin: 10px 0;
        }

        .rating-label {
            color: var(--text-muted);
            font-size: 1rem;
        }

        .table-responsive {
            overflow-x: auto;
        }

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

        .comp-table th, .comp-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .comp-table th {
            background: rgba(127, 0, 255, 0.1);
            color: var(--accent-cyan);
            font-weight: 700;
        }

        .comp-table tr:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .highlight-row {
            background: rgba(255, 0, 127, 0.05);
            font-weight: 600;
        }

        .badge-yes {
            color: #00ff66;
            font-weight: bold;
        }

        .badge-no {
            color: #ff3366;
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-bottom: 80px;
        }

        .token-card {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
        }

        .token-card h4 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--accent-cyan);
        }

        .token-price {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-pink);
            margin-bottom: 10px;
        }

        .token-features {
            list-style: none;
            margin-top: 20px;
            text-align: left;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .token-features li {
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.03);
            display: flex;
            justify-content: space-between;
        }

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-bottom: 80px;
        }

        .review-card {
            background: var(--bg-card);
            border-left: 4px solid var(--primary-pink);
            border-radius: 0 16px 16px 0;
            padding: 30px;
            position: relative;
        }

        .review-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 15px;
        }

        .reviewer-name {
            font-weight: 700;
            font-size: 0.95rem;
        }

        .reviewer-title {
            color: var(--accent-cyan);
            font-size: 0.8rem;
        }

        /* FAQ折叠面板 */
        .faq-accordion {
            max-width: 850px;
            margin: 0 auto 80px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.05);
            border-radius: 12px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: all 0.3s;
        }

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

        .faq-header h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-light);
        }

        .faq-icon {
            font-size: 1.2rem;
            color: var(--primary-pink);
            transition: transform 0.3s;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(0, 0, 0, 0.15);
        }

        .faq-content {
            padding: 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid rgba(255,255,255,0.03);
        }

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

        /* 百科 / 资讯 */
        .info-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            margin-bottom: 80px;
        }

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

        .article-item {
            padding: 20px;
            background: var(--bg-card);
            border-radius: 12px;
            margin-bottom: 15px;
            border: 1px solid rgba(255,255,255,0.03);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: 0.3s;
        }

        .article-item:hover {
            border-color: var(--accent-cyan);
            transform: translateX(5px);
        }

        .article-item h5 {
            font-size: 1.05rem;
            margin-bottom: 5px;
        }

        .article-item span {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .article-link {
            color: var(--accent-cyan);
            font-size: 0.9rem;
            font-weight: 600;
        }

        .encyclopedia-box {
            background: var(--bg-card);
            border: 1px solid rgba(255, 0, 127, 0.1);
            border-radius: 16px;
            padding: 30px;
        }

        .ency-item {
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .ency-item:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .ency-title {
            color: var(--accent-cyan);
            font-weight: 700;
            margin-bottom: 6px;
        }

        /* 需求匹配与联系我们表单 */
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            margin-bottom: 80px;
        }

        .contact-info-panel {
            background: var(--bg-card);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .contact-info-panel h4 {
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: var(--accent-cyan);
        }

        .contact-item {
            margin-bottom: 20px;
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .contact-item-icon {
            color: var(--primary-pink);
            font-size: 1.2rem;
        }

        .contact-item-text p {
            font-weight: 700;
            font-size: 0.95rem;
        }

        .contact-item-text span {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .form-panel {
            background: var(--bg-card);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid rgba(255, 0, 127, 0.15);
            box-shadow: 0 10px 30px rgba(255, 0, 127, 0.15);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group.full-width {
            grid-column: span 2;
        }

        .form-group label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-light);
        }

        .form-control {
            background: var(--bg-input);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 12px 15px;
            color: var(--text-light);
            font-family: inherit;
            font-size: 0.95rem;
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-pink);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.3);
        }

        .form-submit-btn {
            background: linear-gradient(135deg, var(--primary-pink), var(--primary-purple));
            color: #fff;
            border: none;
            padding: 15px 30px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: 0.3s;
            width: 100%;
        }

        .form-submit-btn:hover {
            box-shadow: 0 5px 20px rgba(255, 0, 127, 0.5);
            transform: translateY(-2px);
        }

        /* 页脚 */
        footer {
            background: rgba(10, 6, 18, 0.95);
            border-top: 1px solid rgba(255, 0, 127, 0.15);
            padding: 60px 20px 30px;
        }

        .footer-container {
            max-width: var(--max-w);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo img {
            height: 45px;
            margin-bottom: 20px;
        }

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

        .footer-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--accent-cyan);
        }

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

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

        .footer-links a {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .friend-links-box {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 15px;
            font-size: 0.85rem;
        }

        .friend-links-box a {
            color: var(--text-muted);
        }

        .friend-links-box a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            max-width: var(--max-w);
            margin: 0 auto;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 20px;
        }

        /* 浮动客服栏 */
        .float-kefu {
            position: fixed;
            right: 25px;
            bottom: 40px;
            z-index: 999;
            background: rgba(22, 14, 38, 0.9);
            border: 1px solid var(--primary-pink);
            border-radius: 16px;
            padding: 15px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(255, 0, 127, 0.3);
            backdrop-filter: blur(8px);
            width: 140px;
            transition: all 0.3s;
        }

        .float-kefu:hover {
            transform: translateY(-5px);
        }

        .float-kefu img {
            width: 110px;
            height: 110px;
            border-radius: 8px;
            margin-top: 10px;
        }

        .float-kefu p {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--text-light);
        }

        /* 动画基础 */
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        @keyframes spin-reverse {
            0% { transform: rotate(360deg); }
            100% { transform: rotate(0deg); }
        }

        @keyframes pulse {
            0%, 100% { transform: scale(1); opacity: 0.6; }
            50% { transform: scale(1.1); opacity: 0.95; }
        }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-dark);
                border-bottom: 1px solid rgba(255, 0, 127, 0.2);
                padding: 20px 0;
                gap: 15px;
            }

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

            .menu-toggle {
                display: flex;
            }

            #hero {
                flex-direction: column;
                text-align: center;
                min-height: auto;
                padding-top: 20px;
            }

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

            .hero-desc {
                margin: 0 auto 30px;
            }

            .hero-actions {
                justify-content: center;
            }

            .hero-visual {
                margin-top: 40px;
            }

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

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .features-grid, .cases-grid, .token-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .info-grid, .contact-container {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 576px) {
            .metrics-grid, .features-grid, .cases-grid, .token-grid, .reviews-grid {
                grid-template-columns: 1fr;
            }

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

            .form-group.full-width {
                grid-column: span 1;
            }

            .section-title {
                font-size: 1.8rem;
            }

            .float-kefu {
                display: none; /* 移动端隐藏悬浮客服，避免遮挡内容 */
            }
        }