/* 基础变量：暗夜赛博高饱和粉紫风 */
        :root {
            --bg-color: #08060f;
            --bg-card: #120e24;
            --bg-card-hover: #1c1635;
            --primary: #ff007f; /* 高饱和粉 */
            --secondary: #8a2be2; /* 高饱和紫 */
            --accent: #00f0ff; /* 赛博青 */
            --text-main: #ffffff;
            --text-muted: #b3b3cc;
            --border-color: #2b224a;
            --gradient-main: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            --gradient-cyber: linear-gradient(90deg, var(--accent) 0%, var(--primary) 50%, var(--secondary) 100%);
            --max-width: 1200px;
        }

        /* 重置样式 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

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

        /* 公共布局 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-tag {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent);
            margin-bottom: 10px;
            display: inline-block;
            font-weight: 700;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            background: var(--gradient-main);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 15px;
        }

        .section-desc {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1rem;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--gradient-main);
            color: #fff;
            box-shadow: 0 4px 15px rgba(255, 0, 127, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 127, 0.6);
        }

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

        .btn-outline:hover {
            background: rgba(255, 0, 127, 0.1);
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: #08060f;
            font-weight: 700;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.4);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 240, 255, 0.6);
        }

        /* 顶部导航 */
        header {
            background-color: rgba(8, 6, 15, 0.85);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }

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

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

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

        .brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            background: var(--gradient-cyber);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.3s;
        }

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

        .nav-btn {
            display: flex;
            align-items: center;
            gap: 15px;
        }

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

        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            transition: all 0.3s;
        }

        /* Hero首屏：限制无图片，赛博科技感动效背景 */
        #home {
            padding-top: 140px;
            padding-bottom: 100px;
            min-height: 90vh;
            display: flex;
            align-items: center;
            background: radial-gradient(circle at 80% 20%, rgba(138, 43, 226, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(255, 0, 127, 0.12) 0%, transparent 50%);
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #ffffff 30%, #ffc0e0 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .hero-buttons {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .hero-feature-tags {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .hero-tag {
            background-color: rgba(255, 0, 127, 0.1);
            border: 1px solid rgba(255, 0, 127, 0.3);
            padding: 6px 14px;
            border-radius: 4px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
        }

        /* 首屏右侧交互卡片（无图片） */
        .hero-panel {
            background: linear-gradient(135deg, var(--bg-card) 0%, #1a1435 100%);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }

        .hero-panel::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            background: var(--gradient-cyber);
            z-index: -1;
            border-radius: 18px;
            opacity: 0.3;
        }

        .panel-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .panel-stat-item {
            margin-bottom: 15px;
        }

        .panel-stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 5px;
        }

        .panel-stat-bar {
            height: 8px;
            background: rgba(255,255,255,0.05);
            border-radius: 4px;
            overflow: hidden;
        }

        .panel-stat-progress {
            height: 100%;
            background: var(--gradient-main);
            border-radius: 4px;
            width: 0;
            transition: width 1.5s ease-out;
        }

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

        .about-content h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            color: var(--accent);
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 15px;
            font-size: 0.95rem;
        }

        .about-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .stat-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 12px;
            text-align: center;
            transition: transform 0.3s;
        }

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

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* AIGC服务体系 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.3s;
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 5px 15px rgba(0, 240, 255, 0.15);
        }

        .service-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 15px;
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        .service-models {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .model-tag {
            font-size: 0.75rem;
            background: rgba(138, 43, 226, 0.15);
            color: #d1b3ff;
            padding: 2px 8px;
            border-radius: 3px;
        }

        /* 制作流程 & 标准化流程 */
        .flow-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            position: relative;
        }

        .flow-step {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            position: relative;
            transition: all 0.3s;
        }

        .flow-step:hover {
            border-color: var(--primary);
        }

        .step-num {
            position: absolute;
            top: 15px;
            right: 20px;
            font-size: 2.5rem;
            font-weight: 900;
            color: rgba(255, 0, 127, 0.1);
        }

        .flow-step h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            position: relative;
            z-index: 2;
        }

        .flow-step p {
            color: var(--text-muted);
            font-size: 0.85rem;
            position: relative;
            z-index: 2;
        }

        /* 行业解决方案 */
        .solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 25px;
        }

        .solution-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.3s;
        }

        .solution-card:hover {
            border-color: var(--accent);
            background-color: var(--bg-card-hover);
        }

        .solution-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--accent);
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 10px;
        }

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

        .solution-list li {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .solution-list li::before {
            content: '✦';
            color: var(--primary);
        }

        /* 服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .map-mockup {
            background: linear-gradient(135deg, #100c24 0%, #1a0f3d 100%);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            height: 350px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .map-point {
            position: absolute;
            width: 10px;
            height: 10px;
            background-color: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--accent);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); opacity: 1; }
            50% { transform: scale(2.5); opacity: 0; }
            100% { transform: scale(1); opacity: 0; }
        }

        /* 技术标准 */
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .tech-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s;
        }

        .tech-box:hover {
            border-color: var(--primary);
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.2);
        }

        .tech-box h4 {
            color: var(--accent);
            margin-bottom: 8px;
        }

        .tech-box p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 案例中心：使用提供的宣传图与横版、方版素材图 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

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

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

        .case-img-wrap {
            height: 200px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: #000;
        }

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

        .case-card:hover .case-img-wrap img {
            transform: scale(1.1);
        }

        .case-info {
            padding: 20px;
        }

        .case-tag {
            font-size: 0.75rem;
            color: var(--accent);
            font-weight: 700;
            margin-bottom: 5px;
            display: block;
        }

        .case-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .case-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 对比评测：展示9.9分五星推荐与对比表格 */
        .review-header {
            display: flex;
            align-items: center;
            justify-content: space-around;
            background: linear-gradient(90deg, rgba(255, 0, 127, 0.1) 0%, rgba(138, 43, 226, 0.1) 100%);
            border: 1px dashed var(--primary);
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .rating-box {
            text-align: center;
        }

        .rating-val {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .rating-stars {
            color: #ffd700;
            font-size: 1.2rem;
            margin-top: 5px;
        }

        .rating-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 5px;
        }

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

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

        .comparison-table th, .comparison-table td {
            padding: 15px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            background-color: var(--bg-card);
            color: var(--accent);
            font-weight: 700;
        }

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

        .highlight-col {
            color: var(--primary);
            font-weight: 700;
            background-color: rgba(255, 0, 127, 0.05);
        }

        /* Token比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .token-list {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
        }

        .token-list h3 {
            font-size: 1.2rem;
            color: var(--accent);
            margin-bottom: 15px;
        }

        .token-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .token-item:last-child {
            border-bottom: none;
        }

        .token-name {
            font-weight: 600;
        }

        .token-price {
            color: var(--primary);
            font-family: monospace;
            font-size: 1rem;
        }

        /* 智能需求匹配与表单 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: start;
        }

        .contact-info-panel {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
        }

        .qr-area {
            display: flex;
            gap: 20px;
            margin-top: 25px;
            align-items: center;
        }

        .qr-code {
            width: 120px;
            height: 120px;
            background: #fff;
            padding: 5px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .qr-code img {
            max-width: 100%;
            height: auto;
        }

        .contact-form {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .form-control {
            width: 100%;
            background-color: rgba(0,0,0,0.3);
            border: 1px solid var(--border-color);
            padding: 12px 15px;
            color: #fff;
            border-radius: 6px;
            font-size: 0.95rem;
            transition: all 0.3s;
        }

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

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        /* 培训体系 */
        .train-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .train-card {
            background: linear-gradient(135deg, var(--bg-card) 0%, #1f143c 100%);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            transition: all 0.3s;
        }

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

        .train-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 15px;
        }

        .train-card h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

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

        /* 帮助中心 & 常见问题 FAQ */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
        }

        .faq-trigger {
            padding: 18px 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            font-weight: 600;
        }

        .faq-trigger::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: transform 0.3s;
        }

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

        .faq-content {
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .faq-item.active .faq-content {
            padding: 0 25px 20px 25px;
            max-height: 200px;
        }

        /* 自助排查与术语百科 */
        .support-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 30px;
        }

        .support-block {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
        }

        .support-block h3 {
            font-size: 1.2rem;
            color: var(--accent);
            margin-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 10px;
        }

        .trouble-steps {
            list-style: none;
        }

        .trouble-steps li {
            margin-bottom: 12px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .trouble-steps strong {
            color: #fff;
        }

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

        .encyclopedia-tag {
            background-color: rgba(255,255,255,0.05);
            padding: 8px 12px;
            border-radius: 6px;
            font-size: 0.85rem;
            color: var(--text-muted);
            cursor: pointer;
            transition: all 0.3s;
        }

        .encyclopedia-tag:hover {
            background-color: var(--secondary);
            color: #fff;
        }

        /* 客户评论卡片 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .comment-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

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

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-main);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .author-info h4 {
            font-size: 0.9rem;
            margin-bottom: 2px;
        }

        .author-info p {
            font-size: 0.75rem;
            color: var(--accent);
        }

        /* 资讯与知识库 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .article-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 20px;
            transition: all 0.3s;
        }

        .article-card:hover {
            border-color: var(--primary);
        }

        .article-card h4 {
            font-size: 1rem;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .article-link {
            color: var(--accent);
            text-decoration: none;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-link:hover {
            color: var(--primary);
        }

        /* 浮动客服入口 */
        .float-service {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--gradient-main);
            box-shadow: 0 4px 15px rgba(255, 0, 127, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }

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

        .float-btn svg {
            width: 22px;
            height: 22px;
            fill: #fff;
        }

        .qr-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.5);
            display: none;
            text-align: center;
            width: 150px;
        }

        .qr-popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .qr-popover p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

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

        /* 页脚 */
        footer {
            background-color: #040308;
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
        }

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

        .footer-logo-desc p {
            font-size: 0.9rem;
            margin-top: 15px;
            line-height: 1.6;
        }

        .footer-links-title {
            color: #fff;
            font-weight: 700;
            margin-bottom: 20px;
            font-size: 1rem;
        }

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

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

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.3s;
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.8rem;
        }

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

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

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

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr 1fr;
            }
            .comments-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 60px 0;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--bg-card);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .hamburger {
                display: flex;
            }
            .hero-inner {
                grid-template-columns: 1fr;
            }
            .about-grid, .network-grid, .contact-layout, .support-grid {
                grid-template-columns: 1fr;
            }
            .case-grid, .comments-grid {
                grid-template-columns: 1fr;
            }
            .token-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .tech-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .tech-grid {
                grid-template-columns: 1fr;
            }
        }