:root {
            --bg-dark: #08090f;
            --bg-card: #11131e;
            --text-main: #ffffff;
            --text-muted: #94a3b8;
            --neon-green: #00ff66;
            --neon-blue: #00e5ff;
            --neon-purple: #b026ff;
            --neon-pink: #ff007f;
            --border-color: rgba(255, 255, 255, 0.08);
            --gradient-primary: linear-gradient(135deg, var(--neon-green), var(--neon-blue));
            --gradient-tech: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
            --gradient-hot: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
        }

        * {
            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;
            background-color: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 布局容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 荧光发光文字与特效 */
        .neon-text-green {
            color: var(--neon-green);
            text-shadow: 0 0 10px rgba(0, 255, 102, 0.5);
        }
        .neon-text-blue {
            color: var(--neon-blue);
            text-shadow: 0 0 10px rgba(0, 229, 255, 0.5);
        }
        .neon-text-pink {
            color: var(--neon-pink);
            text-shadow: 0 0 10px rgba(255, 0, 127, 0.5);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

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

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

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

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

        .nav-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            transition: color 0.3s;
            font-weight: 500;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--neon-green);
        }

        .nav-btn {
            background: transparent;
            border: 1px solid var(--neon-blue);
            color: var(--neon-blue);
            padding: 8px 16px;
            border-radius: 20px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            text-decoration: none;
            font-size: 14px;
        }

        .nav-btn:hover {
            background: var(--neon-blue);
            color: var(--bg-dark);
            box-shadow: 0 0 15px rgba(0, 229, 255, 0.4);
        }

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

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

        /* Hero首屏 (纯代码，绝对无图片) */
        .hero-section {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 50% 30%, rgba(176, 38, 255, 0.15), transparent 60%);
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(0, 255, 102, 0.3);
            border-radius: 30px;
            color: var(--neon-green);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 1px;
            box-shadow: 0 0 15px rgba(0, 255, 102, 0.1);
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            background: linear-gradient(to right, #fff, var(--text-muted));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-title span {
            background: linear-gradient(135deg, var(--neon-green), var(--neon-blue), var(--neon-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: none;
        }

        .hero-desc {
            max-width: 800px;
            margin: 0 auto 40px;
            font-size: 18px;
            color: var(--text-muted);
        }

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

        .btn-primary {
            background: var(--gradient-primary);
            color: var(--bg-dark);
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 20px rgba(0, 255, 102, 0.3);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.6);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
            color: var(--text-main);
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--neon-purple);
        }

        /* 通用区块样式 */
        section {
            padding: 100px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .section-subtitle {
            font-size: 14px;
            color: var(--neon-blue);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .section-title {
            font-size: 36px;
            font-weight: 700;
        }

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

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-primary);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 255, 102, 0.3);
            box-shadow: 0 10px 30px rgba(0, 255, 102, 0.05);
        }

        .stat-card:hover::before {
            opacity: 1;
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 8px;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        /* 关于我们 & 介绍 */
        .about-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--neon-blue);
        }

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

        .about-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-pill {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
        }

        .about-highlight-card {
            background: linear-gradient(135deg, rgba(176, 38, 255, 0.1), rgba(0, 229, 255, 0.1));
            border: 1px solid rgba(0, 229, 255, 0.2);
            padding: 30px;
            border-radius: 20px;
            position: relative;
        }

        .about-highlight-card h4 {
            font-size: 20px;
            margin-bottom: 15px;
            color: var(--neon-green);
        }

        .about-highlight-card ul {
            list-style: none;
        }

        .about-highlight-card ul li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
            font-size: 14px;
            color: var(--text-main);
        }

        .about-highlight-card ul li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--neon-green);
            font-weight: bold;
        }

        /* 全平台AIGC服务 / 模型列表 */
        .model-list-wrapper {
            margin-top: 40px;
        }

        .model-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 15px;
        }

        .model-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 15px;
            text-align: center;
            font-weight: 600;
            font-size: 14px;
            transition: all 0.3s;
        }

        .model-item:hover {
            border-color: var(--neon-blue);
            box-shadow: 0 0 15px rgba(0, 229, 255, 0.2);
            transform: scale(1.05);
            background: rgba(0, 229, 255, 0.05);
        }

        /* 制作场景能力 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 35px 30px;
            transition: all 0.4s;
            position: relative;
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--neon-purple);
            box-shadow: 0 15px 40px rgba(176, 38, 255, 0.15);
        }

        .service-icon {
            font-size: 40px;
            margin-bottom: 20px;
            display: inline-block;
        }

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

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

        /* 行业解决方案与网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-card {
            background: linear-gradient(180deg, var(--bg-card) 0%, rgba(17, 19, 30, 0.5) 100%);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .solution-top h4 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--neon-green);
        }

        .solution-top p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 25px;
        }

        .solution-features {
            list-style: none;
            margin-bottom: 30px;
        }

        .solution-features li {
            font-size: 14px;
            margin-bottom: 10px;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .solution-features li::before {
            content: "✦";
            color: var(--neon-blue);
        }

        /* 时间线与网络 */
        .network-timeline-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .timeline {
            position: relative;
            padding-left: 30px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 7px;
            top: 10px;
            width: 2px;
            height: calc(100% - 20px);
            background: rgba(255, 255, 255, 0.1);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -30px;
            top: 6px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--bg-dark);
            border: 3px solid var(--neon-green);
        }

        .timeline-time {
            font-size: 13px;
            font-weight: bold;
            color: var(--neon-green);
            margin-bottom: 5px;
        }

        .timeline-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .timeline-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        .network-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 20px;
        }

        .network-card h4 {
            font-size: 20px;
            margin-bottom: 15px;
            color: var(--neon-blue);
        }

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

        .network-cities {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .city-tag {
            background: rgba(0, 229, 255, 0.05);
            border: 1px solid rgba(0, 229, 255, 0.2);
            color: var(--neon-blue);
            padding: 5px 12px;
            border-radius: 15px;
            font-size: 12px;
        }

        /* 案例中心 (展示图片) */
        .case-gallery {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

        .case-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .case-item:hover {
            transform: scale(1.02);
            border-color: var(--neon-blue);
        }

        .case-img-container {
            width: 100%;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #1a1c29;
        }

        .case-img-container img {
            width: 100%;
            height: auto;
            max-height: 240px;
            object-fit: cover;
            display: block;
        }

        .case-info {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            font-size: 12px;
            background: rgba(176, 38, 255, 0.1);
            color: var(--neon-purple);
            padding: 3px 8px;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .case-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        .banner-group-wrapper {
            margin-top: 50px;
            border-top: 1px solid var(--border-color);
            padding-top: 40px;
        }

        .banner-flex {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .banner-flex img {
            border-radius: 12px;
            border: 1px solid var(--border-color);
            max-width: 32%;
            height: auto;
            transition: all 0.3s;
        }

        .banner-flex img:hover {
            border-color: var(--neon-green);
            transform: scale(1.03);
        }

        /* 对比评测表格 */
        .comparison-wrapper {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 40px;
            margin-top: 30px;
        }

        .rating-badge {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 20px;
            margin-bottom: 40px;
        }

        .rating-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--neon-green);
        }

        .rating-stars {
            font-size: 24px;
            color: #ffd700;
        }

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

        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }

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

        th, td {
            padding: 16px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        th {
            font-weight: 700;
            color: var(--text-muted);
        }

        tr:hover {
            background: rgba(255, 255, 255, 0.01);
        }

        .feature-highlight {
            color: var(--neon-green);
            font-weight: 700;
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .token-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 25px;
            position: relative;
        }

        .token-card.hot {
            border-color: var(--neon-pink);
        }

        .token-hot-tag {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--neon-pink);
            color: #fff;
            font-size: 10px;
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: bold;
        }

        .token-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .token-price {
            font-size: 28px;
            font-weight: 800;
            color: var(--neon-blue);
            margin-bottom: 15px;
        }

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

        .token-features {
            list-style: none;
            font-size: 13px;
            color: var(--text-muted);
        }

        .token-features li {
            margin-bottom: 8px;
        }

        /* 职业技术培训 */
        .train-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .train-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s;
        }

        .train-card:hover {
            border-color: var(--neon-green);
            transform: translateY(-5px);
        }

        .train-icon {
            font-size: 32px;
            margin-bottom: 15px;
        }

        .train-title {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .train-badge {
            display: inline-block;
            font-size: 11px;
            background: rgba(0, 255, 102, 0.1);
            color: var(--neon-green);
            padding: 2px 6px;
            border-radius: 4px;
        }

        /* FAQ 折叠面板 & 术语 */
        .faq-glossary-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

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

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-question::after {
            content: "+";
            font-size: 20px;
            color: var(--neon-blue);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-question::after {
            content: "−";
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(0, 0, 0, 0.2);
        }

        .faq-answer-content {
            padding: 20px;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 1px solid var(--border-color);
        }

        .glossary-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
        }

        .glossary-card h4 {
            font-size: 18px;
            margin-bottom: 20px;
            color: var(--neon-purple);
        }

        .glossary-item {
            margin-bottom: 15px;
        }

        .glossary-term {
            font-weight: bold;
            color: var(--neon-blue);
            font-size: 14px;
            margin-bottom: 4px;
        }

        .glossary-definition {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 资讯 / 知识库 */
        .article-section {
            background: rgba(255, 255, 255, 0.01);
        }

        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .article-title a {
            color: var(--text-main);
            text-decoration: none;
            transition: color 0.3s;
        }

        .article-title a:hover {
            color: var(--neon-green);
        }

        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 用户评论 */
        .reviews-slider {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s;
        }

        .review-card:hover {
            border-color: var(--neon-green);
            transform: translateY(-3px);
        }

        .review-text {
            font-size: 14px;
            color: var(--text-muted);
            font-style: italic;
            margin-bottom: 20px;
            line-height: 1.6;
        }

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

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

        .author-info h5 {
            font-size: 14px;
            font-weight: 700;
        }

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

        /* 联系我们 & 表单 */
        .contact-layout {
            display: grid;
            grid-template-columns: 0.92fr 1.08fr;
            gap: 40px;
        }

        .contact-info-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-details h4 {
            font-size: 20px;
            margin-bottom: 20px;
            color: var(--neon-blue);
        }

        .contact-item-row {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
            font-size: 14px;
        }

        .contact-icon-label {
            font-weight: bold;
            color: var(--text-muted);
        }

        .qr-codes {
            display: flex;
            gap: 30px;
            margin-top: 30px;
            border-top: 1px solid var(--border-color);
            padding-top: 25px;
        }

        .qr-item {
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
        }

        .qr-item img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            margin-bottom: 8px;
            border: 2px solid var(--border-color);
        }

        /* 需求表单 */
        .form-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
        }

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

        .form-group label {
            display: block;
            font-size: 14px;
            margin-bottom: 8px;
            color: var(--text-muted);
        }

        .form-control {
            width: 100%;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px 16px;
            color: #fff;
            font-size: 14px;
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--neon-green);
            box-shadow: 0 0 10px rgba(0, 255, 102, 0.15);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        .form-submit-btn {
            width: 100%;
            background: var(--gradient-primary);
            color: var(--bg-dark);
            border: none;
            border-radius: 8px;
            padding: 14px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s;
        }

        .form-submit-btn:hover {
            box-shadow: 0 0 20px rgba(0, 255, 102, 0.4);
            transform: translateY(-1px);
        }

        /* 页脚 */
        footer {
            background: #040508;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }

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

        .footer-logo-desc p {
            color: var(--text-muted);
            font-size: 13px;
            margin-top: 15px;
            line-height: 1.8;
        }

        .footer-links-col h5 {
            font-size: 16px;
            margin-bottom: 20px;
            color: var(--text-main);
        }

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

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

        .footer-links-col ul li a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
            transition: color 0.3s;
        }

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

        .footer-friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 15px;
            margin-top: 10px;
        }

        .footer-friend-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 13px;
            transition: color 0.3s;
        }

        .footer-friend-links a:hover {
            color: var(--neon-green);
        }

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom-links {
            display: flex;
            gap: 15px;
        }

        .footer-bottom-links a {
            color: var(--text-muted);
            text-decoration: none;
        }

        .footer-bottom-links a:hover {
            color: var(--text-main);
        }

        /* 浮动客服入口 */
        .float-widget {
            position: fixed;
            right: 30px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
            transition: all 0.3s;
            position: relative;
        }

        .float-btn:hover {
            border-color: var(--neon-green);
            transform: scale(1.1);
        }

        .float-btn svg {
            width: 22px;
            height: 22px;
            fill: var(--text-main);
            transition: fill 0.3s;
        }

        .float-btn:hover svg {
            fill: var(--neon-green);
        }

        /* 客服弹窗 */
        .float-btn .tooltip-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            display: none;
            text-align: center;
            width: 140px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }

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

        .float-btn .tooltip-qr img {
            width: 110px;
            height: 110px;
            border-radius: 6px;
            margin-bottom: 5px;
        }

        .float-btn .tooltip-qr span {
            font-size: 11px;
            color: var(--text-muted);
            display: block;
        }

        /* 移动端响应式适配 */
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-layout, .solutions-grid, .network-timeline-layout, .faq-glossary-layout, .contact-layout {
                grid-template-columns: 1fr;
            }
            .case-gallery, .token-grid, .article-grid, .reviews-slider {
                grid-template-columns: repeat(2, 1fr);
            }
            .train-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .banner-flex img {
                max-width: 48%;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: var(--bg-dark);
                flex-direction: column;
                align-items: center;
                padding-top: 40px;
                transition: left 0.3s ease;
                border-top: 1px solid var(--border-color);
            }
            .nav-links.active {
                left: 0;
            }
            .hero-title {
                font-size: 32px;
            }
            .stats-grid, .services-grid, .case-gallery, .token-grid, .train-grid, .article-grid, .reviews-slider {
                grid-template-columns: 1fr;
            }
            .banner-flex img {
                max-width: 100%;
            }
        }