:root {
            --bg-color: #0b0813;
            --bg-card: #130f24;
            --primary: #ff2a85;
            --primary-glow: rgba(255, 42, 133, 0.4);
            --secondary: #8a2be2;
            --accent: #00f0ff;
            --text-main: #f3e8ff;
            --text-muted: #a5f3fc;
            --border-color: rgba(255, 42, 133, 0.2);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-main);
            font-family: var(--font-family);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 8, 19, 0.85);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
        }

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

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

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

        .brand-name {
            font-size: 1.2rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        nav {
            display: flex;
            gap: 20px;
        }

        nav a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

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

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero首屏：无图片，纯赛博科技风 */
        .hero-section {
            padding-top: 140px;
            padding-bottom: 80px;
            background: radial-gradient(circle at 50% 30%, rgba(138, 43, 226, 0.2), transparent 70%);
            text-align: center;
            position: relative;
        }

        .hero-title-h1 {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: 20px;
            line-height: 1.2;
            background: linear-gradient(to right, #ffffff, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 20px var(--primary-glow);
        }

        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: bold;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            box-shadow: 0 4px 15px var(--primary-glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 42, 133, 0.6);
        }

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

        .btn-outline:hover {
            background: var(--accent);
            color: #000;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.4);
            transform: translateY(-2px);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 60px;
        }

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

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

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

        .stat-label {
            color: var(--text-main);
            font-size: 0.95rem;
        }

        /* 通用区块样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            position: relative;
            display: inline-block;
            padding-bottom: 10px;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--primary);
        }

        .section-subtitle {
            color: var(--text-muted);
            margin-top: 10px;
            font-size: 1rem;
        }

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

        .about-text h3 {
            font-size: 1.5rem;
            color: var(--accent);
            margin-bottom: 20px;
        }

        .about-text p {
            margin-bottom: 15px;
            color: var(--text-main);
            opacity: 0.9;
        }

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

        .features-list li {
            margin-bottom: 12px;
            padding-left: 25px;
            position: relative;
        }

        .features-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        .about-interactive {
            background: linear-gradient(135deg, rgba(138, 43, 226, 0.15), rgba(255, 42, 133, 0.1));
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
        }

        /* 全平台AIGC服务 */
        .platform-logos {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 30px;
        }

        .platform-badge {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-main);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            transition: all 0.3s;
        }

        .platform-badge:hover {
            border-color: var(--primary);
            background: rgba(255, 42, 133, 0.1);
            transform: scale(1.05);
        }

        /* AIGC一站式制作与素材图展示 */
        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

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

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

        .showcase-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #1a162b;
        }

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

        .showcase-info {
            padding: 20px;
        }

        .showcase-tag {
            color: var(--accent);
            font-size: 0.8rem;
            text-transform: uppercase;
            font-weight: bold;
        }

        .showcase-title {
            font-size: 1.2rem;
            margin: 10px 0;
            color: #fff;
        }

        /* 行业解决方案与网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }

        .solution-item {
            background: linear-gradient(180deg, var(--bg-card), rgba(19, 15, 36, 0.6));
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
        }

        .solution-item h3 {
            color: var(--accent);
            margin-bottom: 15px;
        }

        /* 流程与技术标准 */
        .process-flow {
            display: flex;
            flex-direction: column;
            gap: 30px;
            max-width: 800px;
            margin: 0 auto;
        }

        .flow-step {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            padding: 20px;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
        }

        .step-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
        }

        /* 案例中心：展示真实宣传图 */
        .case-gallery {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
        }

        .case-item {
            flex: 1 1 calc(50% - 20px);
            min-width: 280px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
        }

        .case-item img {
            width: 100%;
            display: block;
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            margin-top: 30px;
        }

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

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

        th {
            background-color: rgba(138, 43, 226, 0.2);
            color: var(--accent);
        }

        .highlight-row {
            background-color: rgba(255, 42, 133, 0.1);
        }

        .badge-score {
            background: var(--primary);
            color: white;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.8rem;
        }

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

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

        .token-price {
            font-size: 1.8rem;
            color: var(--accent);
            margin: 15px 0;
            font-weight: 800;
        }

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

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

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

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

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

        .faq-question {
            padding: 18px 20px;
            background: rgba(255, 255, 255, 0.02);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: bold;
            color: #fff;
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-main);
            opacity: 0.85;
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            padding: 15px 20px 20px 20px;
            max-height: 200px;
        }

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

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

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

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

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }

        .review-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: white;
        }

        .review-content {
            font-style: italic;
            font-size: 0.95rem;
        }

        /* 资讯知识库 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

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

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

        .article-link {
            color: var(--accent);
            text-decoration: none;
            font-weight: bold;
            display: inline-block;
            margin-top: 15px;
        }

        .article-link:hover {
            text-decoration: underline;
        }

        /* 表单与联系我们 */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

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

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

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

        .form-control {
            width: 100%;
            padding: 12px;
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            color: #fff;
            font-family: inherit;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 8px rgba(0, 240, 255, 0.3);
        }

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-item {
            margin-bottom: 20px;
        }

        .qr-code-area {
            display: flex;
            gap: 20px;
            align-items: center;
            margin-top: 20px;
            background: rgba(255, 255, 255, 0.02);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .qr-code-area img {
            width: 120px;
            height: auto;
            border-radius: 8px;
        }

        /* 页脚与友情链接 */
        footer {
            background: #06040b;
            padding: 50px 0 20px 0;
            border-top: 1px solid var(--border-color);
            font-size: 0.9rem;
        }

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

        .footer-col h4 {
            color: var(--accent);
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: var(--text-main);
            text-decoration: none;
            opacity: 0.8;
            transition: opacity 0.3s;
        }

        .footer-links a:hover {
            opacity: 1;
            color: var(--primary);
        }

        .friend-links {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            margin-top: 20px;
            text-align: center;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
        }

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

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

        .copyright {
            text-align: center;
            margin-top: 40px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.8rem;
        }

        .ai-page-home-link {
            color: var(--accent);
            text-decoration: none;
        }

        /* 浮动客服 */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px var(--primary-glow);
            cursor: pointer;
            transition: all 0.3s;
        }

        .floating-service:hover {
            transform: scale(1.1);
        }

        .qr-popover {
            position: absolute;
            bottom: 75px;
            right: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            display: none;
            text-align: center;
            box-shadow: 0 10px 25px rgba(0,0,0,0.5);
            width: 200px;
        }

        .qr-popover img {
            width: 150px;
            height: auto;
        }

        .qr-popover p {
            font-size: 0.8rem;
            color: var(--accent);
            margin-top: 8px;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .about-wrapper, .contact-wrapper {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--bg-color);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
            }

            nav.active {
                display: flex;
            }

            .menu-toggle {
                display: block;
            }

            .hero-title-h1 {
                font-size: 2rem;
            }
        }