:root {
            --primary-color: #5c06ff;
            --primary-light: #7f3eff;
            --vibrant-pink: #ff007a;
            --vibrant-cyan: #00f0ff;
            --vibrant-yellow: #ffe600;
            --text-dark: #12131a;
            --text-muted: #525866;
            --bg-light: #f8f9fe;
            --bg-card: #ffffff;
            --border-color: #e2e8f0;
            --shadow-sm: 0 4px 12px rgba(92, 6, 255, 0.05);
            --shadow-lg: 0 12px 32px rgba(92, 6, 255, 0.12);
            --radius-md: 12px;
            --radius-lg: 20px;
            --container-width: 1200px;
        }

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

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

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

        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: all 0.25s ease;
        }

        a:hover {
            color: var(--vibrant-pink);
        }

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 10px rgba(0,0,0,0.03);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

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

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

        .nav-container {
            display: flex;
            align-items: center;
        }

        .nav-links {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 0; /* 严格符合规范要求 */
        }

        .nav-links li a {
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            display: inline-block;
        }

        .nav-links li a:hover {
            color: var(--primary-color);
            background: rgba(92, 6, 255, 0.05);
            border-radius: 6px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 700;
            border-radius: 30px;
            cursor: pointer;
            border: none;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-color), var(--vibrant-pink));
            color: #ffffff !important;
            box-shadow: 0 4px 15px rgba(255, 0, 122, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 122, 0.4);
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--primary-color) !important;
            border: 2px solid var(--primary-color);
        }

        .btn-secondary:hover {
            background: var(--primary-color);
            color: #ffffff !important;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-dark);
            cursor: pointer;
        }

        /* 纯文本无图 潮流Hero首屏 */
        .hero-section {
            padding: 90px 0 60px;
            background: radial-gradient(circle at 10% 20%, rgba(92, 6, 255, 0.08) 0%, rgba(0, 240, 255, 0.05) 90%);
            border-bottom: 1px solid var(--border-color);
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: linear-gradient(90deg, #ffe600, #ff007a);
            color: #12131a;
            font-weight: 800;
            font-size: 13px;
            border-radius: 20px;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .hero-title {
            font-size: 38px;
            font-weight: 900;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

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

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 32px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-bottom: 40px;
        }

        .hero-stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary-color);
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* 通用 Section 样式 */
        .section-padding {
            padding: 70px 0;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 45px;
        }

        .section-subtitle {
            color: var(--vibrant-pink);
            font-weight: 800;
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 6px;
            display: block;
        }

        .section-title {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-dark);
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            align-items: center;
        }

        .about-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 35px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .feature-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }

        .feature-tag {
            background: rgba(92, 6, 255, 0.08);
            color: var(--primary-color);
            padding: 6px 12px;
            border-radius: 6px;
            font-size: 13px;
            font-weight: 600;
        }

        /* 服务能力网格 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary-color), var(--vibrant-cyan));
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .service-icon {
            font-size: 30px;
            margin-bottom: 12px;
            display: inline-block;
        }

        .service-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* 流程步骤 */
        .steps-wrapper {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: var(--radius-md);
            text-align: center;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--vibrant-pink), var(--primary-color));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 16px;
        }

        /* 对比评测表格 */
        .comparison-box {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 30px;
            box-shadow: var(--shadow-sm);
        }

        .rating-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 20px;
            margin-bottom: 20px;
            border-bottom: 2px dashed var(--border-color);
        }

        .rating-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 230, 0, 0.2);
            padding: 10px 20px;
            border-radius: 30px;
        }

        .rating-score {
            font-size: 24px;
            font-weight: 900;
            color: var(--text-dark);
        }

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

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

        .comp-table th, .comp-table td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--border-color);
        }

        .comp-table th {
            background: var(--bg-light);
            font-weight: 700;
        }

        .check-icon {
            color: #00b894;
            font-weight: bold;
        }

        /* Token 比价表 */
        .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: var(--radius-md);
            padding: 20px;
        }

        .token-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

        .token-name {
            font-weight: 700;
            font-size: 16px;
        }

        .token-tag {
            background: #e1f5fe;
            color: #0288d1;
            font-size: 12px;
            padding: 2px 8px;
            border-radius: 4px;
        }

        .token-price {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary-color);
        }

        /* 案例展示区 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
        }

        .case-img-wrap {
            width: 100%;
            height: 220px;
            overflow: hidden;
            background: #eee;
        }

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

        .case-body {
            padding: 20px;
        }

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

        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 22px;
            box-shadow: var(--shadow-sm);
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
        }

        .user-avatar {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--vibrant-cyan), var(--primary-color));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: bold;
        }

        /* FAQ 折叠 */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
        }

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

        .faq-title {
            padding: 18px 24px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--bg-card);
        }

        .faq-content {
            padding: 0 24px 18px;
            color: var(--text-muted);
            display: none;
            font-size: 14px;
        }

        .faq-item.active .faq-content {
            display: block;
        }

        /* 表单与联系区 */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 35px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 6px;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            outline: none;
        }

        .form-control:focus {
            border-color: var(--primary-color);
        }

        .qr-box {
            text-align: center;
            background: var(--bg-light);
            padding: 20px;
            border-radius: var(--radius-md);
        }

        .qr-box img {
            width: 160px;
            height: 160px;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        /* 文章与友链 */
        .links-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .links-flex a {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-dark);
        }

        /* 页脚 */
        .site-footer {
            background: #0d0f17;
            color: #a0aec0;
            padding: 50px 0 30px;
            border-top: 1px solid #1a202c;
            margin-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 16px;
            margin-bottom: 16px;
        }

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

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: #a0aec0;
            font-size: 14px;
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid #2d3748;
            padding-top: 20px;
            text-align: center;
            font-size: 13px;
        }

        /* 浮动客服 */
        .float-kefu {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 999;
            background: linear-gradient(135deg, var(--vibrant-pink), var(--primary-color));
            color: #fff;
            padding: 12px 20px;
            border-radius: 30px;
            box-shadow: 0 8px 25px rgba(255, 0, 122, 0.4);
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .hero-stats-grid, .services-grid, .steps-wrapper, .token-grid, .reviews-grid, .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .case-grid, .contact-wrapper {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: #ffffff;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                padding: 15px 0;
            }

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

            .mobile-menu-btn {
                display: block;
            }

            .hero-stats-grid, .services-grid, .steps-wrapper, .token-grid, .reviews-grid, .footer-grid {
                grid-template-columns: 1fr;
            }

            .hero-title {
                font-size: 26px;
            }

            .section-title {
                font-size: 22px;
            }
        }