:root {
            --bg-dark: #070312;
            --bg-card: #120924;
            --primary: #ff007f;
            --secondary: #bc13fe;
            --accent: #00f0ff;
            --text-light: #f1ecf9;
            --text-muted: #a397be;
            --border-glow: rgba(255, 0, 127, 0.3);
            --transition: all 0.3s ease;
        }

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

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(7, 3, 18, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(188, 19, 254, 0.2);
            z-index: 1000;
        }

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

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

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

        .brand-name {
            font-size: 20px;
            font-weight: 700;
            background: linear-gradient(45deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 24px;
            cursor: pointer;
        }

        /* Hero首屏 - 无图片，纯数字特效与发光渐变 */
        .hero {
            padding-top: 140px;
            padding-bottom: 80px;
            position: relative;
            background: radial-gradient(circle at 50% 30%, rgba(188, 19, 254, 0.15) 0%, rgba(7, 3, 18, 1) 70%);
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 10%;
            left: 50%;
            transform: translateX(-50%);
            width: 300px;
            height: 300px;
            background: var(--primary);
            filter: blur(150px);
            opacity: 0.2;
            pointer-events: none;
        }

        .hero h1 {
            font-size: 40px;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #fff, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 30px rgba(255, 0, 127, 0.2);
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            box-shadow: 0 0 15px var(--primary);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px var(--primary);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            color: var(--accent);
            border: 1px solid var(--accent);
        }

        .btn-secondary:hover {
            background: rgba(0, 240, 255, 0.1);
            transform: translateY(-2px);
            box-shadow: 0 0 15px var(--accent);
        }

        /* 通用区块 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(163, 151, 190, 0.1);
        }

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

        .section-header h2 {
            font-size: 32px;
            color: #fff;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--accent);
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 统一卡片基础 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .card {
            background: var(--bg-card);
            border: 1px solid rgba(188, 19, 254, 0.15);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.05), transparent);
            pointer-events: none;
        }

        .card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.15);
        }

        /* 数据指标卡片 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .metric-card {
            background: linear-gradient(135deg, rgba(18, 9, 36, 0.8), rgba(7, 3, 18, 0.9));
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: 10px;
            padding: 25px;
            text-align: center;
            transition: var(--transition);
        }

        .metric-card:hover {
            border-color: var(--accent);
            box-shadow: 0 5px 20px rgba(0, 240, 255, 0.1);
        }

        .metric-val {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 5px;
        }

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

        /* AIGC服务 / 一站式制作 */
        .service-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 4px;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent);
            font-size: 12px;
            margin-bottom: 15px;
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        .card-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #fff;
        }

        .card-desc {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 15px;
        }

        .models-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 10px;
        }

        .model-chip {
            font-size: 12px;
            padding: 2px 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            color: var(--text-muted);
        }

        /* 流程步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 30px;
            position: relative;
        }

        .step-card {
            background: var(--bg-card);
            padding: 30px;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
            position: relative;
        }

        .step-num {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 32px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.05);
        }

        /* 解决方案与网络 */
        .solutions-list {
            list-style: none;
        }

        .solutions-list li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
            color: var(--text-muted);
        }

        .solutions-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent);
        }

        .network-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        /* 对比表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid rgba(188, 19, 254, 0.2);
            background: var(--bg-card);
        }

        .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 rgba(255, 255, 255, 0.05);
        }

        .comparison-table th {
            background: rgba(255, 255, 255, 0.02);
            color: #fff;
            font-weight: 600;
        }

        .comparison-table tr:hover {
            background: rgba(255, 255, 255, 0.01);
        }

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

        .rating-box {
            text-align: center;
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.1), rgba(188, 19, 254, 0.1));
            border: 1px solid var(--primary);
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 40px;
        }

        .rating-stars {
            color: #ffd700;
            font-size: 24px;
            margin-bottom: 10px;
        }

        .rating-score {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
        }

        /* Token比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .token-card {
            background: rgba(18, 9, 36, 0.5);
            border: 1px dashed rgba(0, 240, 255, 0.3);
            border-radius: 8px;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .token-price {
            color: var(--accent);
            font-weight: bold;
            font-size: 18px;
        }

        /* 案例展示区 */
        .case-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-item {
            background: var(--bg-card);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }

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

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #1a0f30;
        }

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

        .case-info {
            padding: 20px;
        }

        /* FAQ折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 15px 0;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            padding: 10px 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            color: var(--text-muted);
            font-size: 14px;
            padding-top: 5px;
        }

        .faq-item.active .faq-answer {
            max-height: 1000px;
            transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
        }

        .faq-icon {
            transition: transform 0.3s ease;
        }

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

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 0, 127, 0.1);
            border-radius: 12px;
            padding: 25px;
            position: relative;
        }

        .review-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .review-author {
            font-weight: 600;
            color: #fff;
        }

        .review-role {
            font-size: 12px;
            color: var(--accent);
        }

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

        /* 表单与联系 */
        .contact-wrapper {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 40px;
        }

        .contact-info-panel {
            background: var(--bg-card);
            border: 1px solid rgba(188, 19, 254, 0.2);
            border-radius: 12px;
            padding: 30px;
        }

        .contact-item {
            margin-bottom: 25px;
        }

        .contact-label {
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .contact-val {
            color: var(--text-light);
        }

        .qr-box {
            display: flex;
            align-items: center;
            gap: 15px;
            background: rgba(255, 255, 255, 0.02);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .qr-box img {
            width: 90px;
            height: 90px;
            border-radius: 6px;
        }

        .form-panel {
            background: var(--bg-card);
            border: 1px solid rgba(255, 0, 127, 0.2);
            border-radius: 12px;
            padding: 30px;
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            color: #fff;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            background: rgba(7, 3, 18, 0.6);
            border: 1px solid rgba(163, 151, 190, 0.3);
            border-radius: 6px;
            padding: 12px;
            color: #fff;
            font-size: 14px;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 8px rgba(255, 0, 127, 0.3);
        }

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

        /* 标签云与术语 */
        .tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-cloud-item {
            padding: 6px 15px;
            background: rgba(188, 19, 254, 0.1);
            border: 1px solid rgba(188, 19, 254, 0.3);
            border-radius: 20px;
            color: var(--text-light);
            font-size: 14px;
            transition: var(--transition);
        }

        .tag-cloud-item:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        /* 资讯与知识库 */
        .articles-wrapper {
            background: var(--bg-card);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .article-list li {
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding: 15px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }

        .article-list li:last-child {
            border-bottom: none;
        }

        .article-title {
            color: var(--text-light);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }

        .article-title:hover {
            color: var(--accent);
        }

        .article-date {
            color: var(--text-muted);
            font-size: 12px;
            white-space: nowrap;
        }

        /* 页脚与友情链接 */
        footer {
            background: #04010b;
            padding: 50px 0 30px;
            border-top: 1px solid rgba(188, 19, 254, 0.2);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            margin-bottom: 40px;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .friend-links-box {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            margin-bottom: 20px;
        }

        .friend-links-title {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

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

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

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

        .footer-bottom {
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
        }

        /* 侧边悬浮浮窗 */
        .floating-action {
            position: fixed;
            bottom: 40px;
            right: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(255, 0, 127, 0.4);
            transition: var(--transition);
            text-decoration: none;
        }

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

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--bg-card);
            border: 1px solid var(--primary);
            border-radius: 8px;
            padding: 15px;
            display: none;
            box-shadow: 0 5px 25px rgba(0, 0, 0, 0.8);
            text-align: center;
            width: 160px;
        }

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

        .qr-popup p {
            font-size: 12px;
            color: var(--text-light);
        }

        .float-kefu-container {
            position: relative;
        }

        .float-kefu-container:hover .qr-popup {
            display: block;
        }

        /* 移动端菜单响应式显示 */
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-dark);
                padding: 20px;
                border-bottom: 1px solid rgba(188, 19, 254, 0.2);
            }

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

            .nav-toggle {
                display: block;
            }

            .hero h1 {
                font-size: 28px;
            }

            .hero-desc {
                font-size: 15px;
            }
        }