:root {
            --primary: #5c00ff;
            --primary-light: #8e2de2;
            --secondary: #00f0ff;
            --dark: #0f111a;
            --light-bg: #f8f9fc;
            --text-main: #2b3040;
            --text-muted: #6b7280;
            --border: #e5e7eb;
            --holo-gradient: linear-gradient(135deg, rgba(92,0,255,0.08) 0%, rgba(0,240,255,0.08) 50%, rgba(255,0,127,0.08) 100%);
            --holo-border: linear-gradient(90deg, #5c00ff, #00f0ff, #ff007f, #5c00ff);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            scroll-behavior: smooth;
        }

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

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

        /* 顶部导航 */
        header {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-box {
            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: 1.25rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

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

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

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff !important;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            box-shadow: 0 4px 10px rgba(92, 0, 255, 0.2);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(92, 0, 255, 0.3);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .nav-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background: var(--text-main);
            margin: 5px 0;
            transition: 0.3s;
        }

        /* Hero 首屏 (无图设计) */
        .hero {
            background: var(--holo-gradient);
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(0,240,255,0.05) 0%, transparent 60%);
            pointer-events: none;
            animation: rotateBg 20s linear infinite;
        }

        @keyframes rotateBg {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .hero h1 {
            font-size: 2.8rem;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }

        .hero h1 span {
            background: linear-gradient(90deg, #5c00ff, #00f0ff, #ff007f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 900;
        }

        .hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px;
            position: relative;
            z-index: 2;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            position: relative;
            z-index: 2;
        }

        .btn-main {
            background: linear-gradient(90deg, #5c00ff, #00f0ff);
            color: #fff;
            text-decoration: none;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 8px 25px rgba(92, 0, 255, 0.25);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .btn-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(92, 0, 255, 0.4);
        }

        .btn-sub {
            background: #fff;
            color: var(--text-main);
            border: 1px solid var(--border);
            text-decoration: none;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 600;
            transition: background 0.3s;
        }

        .btn-sub:hover {
            background: #f3f4f6;
        }

        /* 核心业务数据指标 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 60px;
            position: relative;
            z-index: 2;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border);
            padding: 20px;
            border-radius: 16px;
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            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);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Section 基础样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

        .sec-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .sec-title h2 {
            font-size: 2rem;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .sec-title h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background: var(--holo-border);
            border-radius: 2px;
        }

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

        /* 服务能力卡片 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            padding: 30px;
            border-radius: 20px;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

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

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(92, 0, 255, 0.08);
            border-color: transparent;
        }

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

        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.25rem;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 自动化制作及流程 */
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .flow-card {
            background: #fff;
            padding: 25px;
            border-radius: 16px;
            border: 1px solid var(--border);
            position: relative;
            text-align: center;
        }

        .flow-num {
            width: 40px;
            height: 40px;
            background: var(--holo-gradient);
            border: 1px solid var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--primary);
            margin: 0 auto 15px;
        }

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

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

        /* 对比评测表格 */
        .table-wrapper {
            overflow-x: auto;
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        th, td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border);
        }

        th {
            background: #f9fafb;
            font-weight: 700;
            color: var(--dark);
        }

        tr:last-child td {
            border-bottom: none;
        }

        .score-highlight {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary);
        }

        /* 智能需求匹配与表单 */
        .form-section {
            background: var(--holo-gradient);
        }

        .form-container {
            max-width: 700px;
            margin: 0 auto;
            background: #fff;
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
            border: 1px solid rgba(255,255,255,0.6);
        }

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

        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            font-size: 0.95rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 10px;
            font-size: 1rem;
            background: #fafafa;
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(92, 0, 255, 0.1);
        }

        .btn-submit {
            width: 100%;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            color: #fff;
            border: none;
            padding: 15px;
            font-size: 1.05rem;
            font-weight: 700;
            border-radius: 10px;
            cursor: pointer;
            transition: opacity 0.2s;
        }

        .btn-submit:hover {
            opacity: 0.9;
        }

        /* 客户案例 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: transform 0.3s;
        }

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

        .case-img-box {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background: #eaeaea;
        }

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

        .case-body {
            padding: 20px;
        }

        .case-tag {
            background: rgba(92,0,255,0.06);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
        }

        .case-body h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

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

        .price-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 25px;
            text-align: center;
            transition: all 0.3s;
        }

        .price-card.featured {
            border: 2px solid var(--primary);
            transform: scale(1.03);
            box-shadow: 0 10px 25px rgba(92,0,255,0.06);
        }

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

        .price-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 15px 0;
        }

        .price-features {
            list-style: none;
            text-align: left;
            margin-bottom: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .price-features li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: border-color 0.3s;
        }

        .faq-item:hover {
            border-color: var(--primary);
        }

        .faq-header {
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            user-select: none;
        }

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

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

        .faq-icon::after {
            content: '+';
            font-size: 1.3rem;
            font-weight: bold;
            color: var(--primary);
        }

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

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

        .review-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 25px;
            position: relative;
        }

        .review-text {
            font-size: 0.95rem;
            color: var(--text-main);
            margin-bottom: 15px;
            font-style: italic;
        }

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

        .user-info h4 {
            font-size: 0.95rem;
            color: var(--dark);
        }

        .user-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 最新资讯 */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .article-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 25px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 15px;
            display: inline-block;
        }

        /* 自助排查与百科 */
        .utility-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .util-box {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 30px;
        }

        .util-box h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--light-bg);
            padding-bottom: 10px;
        }

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

        .util-list li {
            margin-bottom: 12px;
            font-size: 0.95rem;
            display: flex;
            justify-content: space-between;
            border-bottom: 1px dashed var(--border);
            padding-bottom: 8px;
        }

        .util-list li span:first-child {
            font-weight: 600;
        }

        /* 友情链接与合作 */
        .friendship-links {
            background: #fff;
            padding: 30px 0;
            border-top: 1px solid var(--border);
            text-align: center;
        }

        .links-wrap {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 15px;
        }

        .links-wrap a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

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

        /* 页脚 */
        footer {
            background: var(--dark);
            color: #9ca3af;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .footer-links h4, .footer-contact h4 {
            color: #fff;
            margin-bottom: 15px;
            font-size: 1rem;
        }

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

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

        .footer-links a {
            color: #9ca3af;
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .qr-area {
            display: flex;
            gap: 15px;
            align-items: center;
            margin-top: 15px;
        }

        .qr-box {
            text-align: center;
            font-size: 0.75rem;
        }

        .qr-box img {
            width: 80px;
            height: 80px;
            border-radius: 8px;
            margin-bottom: 5px;
            background: #fff;
            padding: 3px;
        }

        .footer-bottom {
            border-top: 1px solid #1f2937;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 侧边客服悬浮窗 */
        .float-widget {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .widget-item {
            width: 50px;
            height: 50px;
            background: #fff;
            border-radius: 50%;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            border: 1px solid var(--border);
        }

        .widget-item svg {
            width: 24px;
            height: 24px;
            fill: var(--primary);
        }

        .widget-item:hover .widget-pop {
            display: block;
        }

        .widget-pop {
            display: none;
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #fff;
            border: 1px solid var(--border);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            text-align: center;
            width: 140px;
        }

        .widget-pop img {
            width: 110px;
            height: 110px;
        }

        .widget-pop p {
            font-size: 0.8rem;
            color: var(--text-main);
            margin-top: 5px;
        }

        /* 手机端适配 */
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid, .case-grid, .price-list, .reviews-grid, .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }

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

            .nav-toggle {
                display: block;
            }

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

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .service-grid, .flow-grid, .case-grid, .price-list, .reviews-grid, .article-grid, .utility-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }
        }