/* 根变量定义 - 赛博暗夜粉紫风格 */
        :root {
            --bg-base: #06030c;
            --bg-surface: #0e0a1d;
            --bg-surface-hover: #191233;
            --primary: #ff007f; /* 高饱和粉红 */
            --secondary: #9d00ff; /* 高饱和紫色 */
            --accent: #00f0ff; /* 电光蓝/青色 */
            --text-primary: #ffffff;
            --text-secondary: #a69ebd;
            --text-muted: #6e6587;
            --border: rgba(255, 0, 127, 0.25);
            --border-hover: rgba(0, 240, 255, 0.4);
            --glow: 0 0 15px rgba(255, 0, 127, 0.4);
            --glow-accent: 0 0 15px rgba(0, 240, 255, 0.4);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
        }

        /* 基础样式重置 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            background-color: var(--bg-base);
            color: var(--text-primary);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            background: none;
            border: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }

        /* 核心布局容器 */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 15px;
            letter-spacing: 1px;
            display: inline-block;
        }
        .section-desc {
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }

        /* 霓虹按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            box-shadow: var(--glow);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(255, 0, 127, 0.7);
        }
        .btn-accent {
            border: 2px solid var(--accent);
            color: var(--accent);
            box-shadow: inset 0 0 5px rgba(0, 240, 255, 0.2);
        }
        .btn-accent:hover {
            background-color: var(--accent);
            color: var(--bg-base);
            box-shadow: var(--glow-accent);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(6, 3, 12, 0.85);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 0, 127, 0.1);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-box {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .brand-name {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-menu {
            display: flex;
            gap: 25px;
            align-items: center;
        }
        .nav-link {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
        }
        .nav-link:hover {
            color: var(--primary);
            text-shadow: 0 0 8px rgba(255, 0, 127, 0.5);
        }
        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
        }
        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-primary);
            transition: var(--transition);
        }

        /* HERO 首屏（完全无图片） */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            position: relative;
            background: radial-gradient(circle at 80% 20%, rgba(157, 0, 255, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(0, 240, 255, 0.1) 0%, transparent 50%);
            overflow: hidden;
        }
        .hero-content {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 10;
        }
        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(255, 0, 127, 0.1);
            border: 1px solid var(--primary);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 25px;
            text-transform: uppercase;
            letter-spacing: 2px;
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.2);
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 25px;
            background: linear-gradient(135deg, #fff 30%, #e0c3fc 70%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
            line-height: 1.8;
        }
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        /* 数据指标卡片 */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .stat-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            transition: var(--transition);
        }
        .stat-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: var(--glow);
        }
        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 5px;
            text-shadow: var(--glow-accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        /* 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            color: #fff;
            margin-bottom: 20px;
            border-left: 4px solid var(--primary);
            padding-left: 15px;
        }
        .about-text p {
            color: var(--text-secondary);
            margin-bottom: 15px;
            font-size: 1.05rem;
        }
        .about-media {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }
        .about-media img {
            width: 100%;
            transition: var(--transition);
        }
        .about-media:hover img {
            transform: scale(1.03);
        }

        /* 服务体系与支持平台 */
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
            gap: 15px;
            margin-top: 40px;
        }
        .platform-tag {
            background: rgba(25, 18, 51, 0.6);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 12px 10px;
            text-align: center;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            transition: var(--transition);
        }
        .platform-tag:hover {
            border-color: var(--accent);
            background: var(--bg-surface-hover);
            transform: scale(1.05);
            box-shadow: var(--glow-accent);
        }

        /* 制作流程 & 全流程步骤 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            position: relative;
        }
        .process-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px 20px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .process-card:hover {
            border-color: var(--primary);
            box-shadow: var(--glow);
        }
        .process-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            margin: 0 auto 20px;
            box-shadow: var(--glow);
        }
        .process-card h4 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: #fff;
        }
        .process-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* 行业解决方案与服务网络 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .solution-card {
            background: linear-gradient(180deg, var(--bg-surface) 0%, rgba(14, 10, 29, 0.4) 100%);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 35px 25px;
            transition: var(--transition);
        }
        .solution-card:hover {
            border-color: var(--accent);
            box-shadow: var(--glow-accent);
            transform: translateY(-5px);
        }
        .solution-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--accent);
        }
        .solution-card h4 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: #fff;
        }
        .solution-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }
        .solution-card ul {
            font-size: 0.85rem;
            color: var(--accent);
        }
        .solution-card ul li {
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .solution-card ul li::before {
            content: "✦";
        }

        /* 技术标准 */
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .tech-box {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
        }
        .tech-box:hover {
            border-color: var(--primary);
            box-shadow: var(--glow);
        }
        .tech-title {
            color: var(--accent);
            font-weight: 700;
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        .tech-box p {
            font-size: 0.95rem;
            color: var(--text-secondary);
        }

        /* 案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .case-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
        }
        .case-card:hover {
            border-color: var(--accent);
            box-shadow: var(--glow-accent);
            transform: translateY(-5px);
        }
        .case-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            position: relative;
        }
        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .case-card:hover .case-img img {
            transform: scale(1.05);
        }
        .case-info {
            padding: 25px;
        }
        .case-tag {
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: inline-block;
        }
        .case-info h4 {
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 10px;
        }
        .case-info p {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }

        /* 评测与比价表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: var(--bg-surface);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255, 0, 127, 0.1);
        }
        th {
            background-color: rgba(157, 0, 255, 0.1);
            color: #fff;
            font-weight: 700;
        }
        tr:last-child td {
            border-bottom: none;
        }
        tr:hover td {
            background-color: rgba(255, 255, 255, 0.02);
        }
        .badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .badge-success {
            background: rgba(0, 240, 255, 0.15);
            color: var(--accent);
            border: 1px solid var(--accent);
        }

        /* 对比评测卡片设计 */
        .review-showcase {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 30px;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 40px;
            align-items: center;
        }
        .review-score-box {
            text-align: center;
            border-right: 1px solid rgba(255, 0, 127, 0.15);
            padding-right: 30px;
        }
        .rating-star {
            color: #ffd700;
            font-size: 1.5rem;
            margin-bottom: 10px;
        }
        .score-num {
            font-size: 4.5rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            text-shadow: var(--glow);
        }
        .score-total {
            font-size: 1.2rem;
            color: var(--text-secondary);
        }
        .review-bullets h4 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #fff;
        }
        .review-bullets ul {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        .review-bullets li {
            color: var(--text-secondary);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .review-bullets li::before {
            content: "✓";
            color: var(--accent);
            font-weight: bold;
        }

        /* 培训体系 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }
        .training-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 25px 15px;
            text-align: center;
            transition: var(--transition);
        }
        .training-card:hover {
            border-color: var(--primary);
            transform: scale(1.03);
            box-shadow: var(--glow);
        }
        .training-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 15px;
        }
        .training-card h5 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 8px;
        }
        .training-card p {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        /* FAQ折叠面板 */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 10px;
            margin-bottom: 15px;
            background: var(--bg-surface);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-header {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: #fff;
        }
        .faq-icon {
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
        }
        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            background: rgba(6, 3, 12, 0.4);
        }
        .faq-answer {
            padding: 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active {
            border-color: var(--accent);
            box-shadow: var(--glow-accent);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-item.active .faq-content {
            max-height: 1000px;
            transition: max-height 1s ease-in-out;
        }

        /* 术语百科与自助排查 */
        .extra-support-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 50px;
        }
        .support-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 30px;
        }
        .support-card h4 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: #fff;
            border-bottom: 1px solid rgba(255, 0, 127, 0.15);
            padding-bottom: 10px;
        }
        .support-list li {
            margin-bottom: 15px;
        }
        .support-term {
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 4px;
        }
        .support-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        /* 客户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .comment-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 30px;
            position: relative;
            transition: var(--transition);
        }
        .comment-card:hover {
            border-color: var(--primary);
            box-shadow: var(--glow);
        }
        .comment-quote {
            font-size: 2rem;
            color: rgba(255, 0, 127, 0.15);
            position: absolute;
            top: 15px;
            left: 20px;
            line-height: 1;
        }
        .comment-text {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }
        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .user-info h5 {
            color: #fff;
            font-size: 0.95rem;
        }
        .user-info p {
            color: var(--accent);
            font-size: 0.8rem;
        }

        /* 资讯与表单栏目 */
        .form-news-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }
        .form-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 40px;
        }
        .form-card h4 {
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: #fff;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .form-control {
            width: 100%;
            background: var(--bg-base);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 12px 16px;
            color: #fff;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: var(--glow-accent);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }
        .submit-btn {
            width: 100%;
            margin-top: 10px;
        }

        .news-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 40px;
            display: flex;
            flex-direction: column;
        }
        .news-card h4 {
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: #fff;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .news-item {
            border-bottom: 1px solid rgba(255, 0, 127, 0.1);
            padding-bottom: 15px;
        }
        .news-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .news-title-link {
            font-weight: 600;
            color: #fff;
            font-size: 1rem;
            display: block;
            margin-bottom: 6px;
        }
        .news-title-link:hover {
            color: var(--accent);
        }
        .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 联系方式模块 */
        .contact-methods {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 50px;
        }
        .method-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 25px;
            text-align: center;
        }
        .method-card h5 {
            color: var(--accent);
            margin-bottom: 10px;
            font-size: 1.1rem;
        }
        .method-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            word-break: break-all;
        }
        .method-qr img {
            width: 100px;
            height: 100px;
            margin: 15px auto 0;
            border: 2px solid var(--border);
            border-radius: 8px;
        }

        /* 友情链接与页脚 */
        footer {
            background-color: var(--bg-base);
            border-top: 1px solid rgba(255, 0, 127, 0.15);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
        }
        .footer-col h5::after {
            content: "";
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }
        .footer-about p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .footer-links {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px 15px;
        }
        .footer-links a {
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .friend-links a {
            background: rgba(25, 18, 51, 0.4);
            border: 1px solid rgba(255, 0, 127, 0.1);
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        .friend-links a:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 0, 127, 0.1);
            padding-top: 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* 侧边悬浮窗口 */
        .floating-contact {
            position: fixed;
            bottom: 40px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--glow);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }
        .float-btn:hover {
            transform: scale(1.1);
        }
        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: #fff;
        }
        .float-popover {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 15px;
            width: 220px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            text-align: center;
        }
        .float-btn:hover .float-popover {
            opacity: 1;
            visibility: visible;
        }
        .float-popover p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }
        .float-popover img {
            width: 120px;
            height: 120px;
            margin: 0 auto;
            border: 1px solid var(--border);
            border-radius: 4px;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-grid, .case-grid, .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-surface);
                border-bottom: 1px solid var(--border);
                padding: 20px;
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .about-grid, .form-news-grid, .extra-support-grid, .review-showcase {
                grid-template-columns: 1fr;
            }
            .review-showcase {
                padding: 20px;
            }
            .review-score-box {
                border-right: none;
                border-bottom: 1px solid rgba(255, 0, 127, 0.15);
                padding-right: 0;
                padding-bottom: 20px;
            }
            .review-bullets ul {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .solution-grid, .case-grid, .comments-grid, .contact-methods {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }
        }