/* 样式重置与基本变量 */
        :root {
            --primary: #6366f1; /* 极光紫 */
            --secondary: #ec4899; /* 潮流粉 */
            --accent: #10b981; /* 极光绿 */
            --dark: #0f172a;
            --light: #f8fafc;
            --muted: #64748b;
            --white: #ffffff;
            --border-radius: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        /* 全局通用布局容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 头部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            z-index: 1000;
            transition: var(--transition);
        }

        header.scrolled {
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            background: rgba(255, 255, 255, 0.95);
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo-area img {
            height: 40px;
            width: auto;
        }

        .nav-menu {
            display: flex;
            gap: 24px;
            list-style: none;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
        }

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

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white) !important;
            padding: 8px 20px;
            border-radius: 50px;
            transition: var(--transition);
        }

        .nav-btn:hover {
            box-shadow: 0 4px 15px rgba(236, 72, 153, 0.4);
            transform: translateY(-2px);
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* 首屏 Hero 区域 (无图片) */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 90px;
            background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.08) 0%, rgba(236, 72, 153, 0.05) 90.2%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        /* 背景微弱光晕装饰 */
        .hero-decor {
            position: absolute;
            width: 300px;
            height: 300px;
            background: filter(blur(80px));
            border-radius: 50%;
            z-index: 1;
            opacity: 0.3;
        }
        .decor-1 {
            top: 10%;
            left: 5%;
            background: var(--primary);
            filter: blur(100px);
        }
        .decor-2 {
            bottom: 10%;
            right: 5%;
            background: var(--secondary);
            filter: blur(100px);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 850;
            line-height: 1.2;
            margin-bottom: 24px;
            background: linear-gradient(135deg, var(--dark) 30%, var(--primary) 70%, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--muted);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(99, 102, 241, 0.5);
        }

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

        .btn-outline:hover {
            background-color: var(--dark);
            color: var(--white);
            transform: translateY(-3px);
        }

        /* 基础公用版块样式 */
        section {
            padding: 90px 0;
            position: relative;
        }

        .section-title-wrap {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 16px;
        }

        .section-subtitle {
            color: var(--muted);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background: var(--white);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            text-align: center;
            border: 1px solid rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(99, 102, 241, 0.1);
        }

        .stat-num {
            font-size: 2.8rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

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

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .about-text p {
            color: var(--muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

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

        .about-features li {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .about-features li::before {
            content: "✓";
            color: var(--accent);
            font-weight: bold;
            font-size: 1.2rem;
        }

        .about-media {
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 20px 45px rgba(0, 0, 0, 0.08);
            border: 4px solid var(--white);
        }

        .about-media img {
            width: 100%;
            display: block;
            object-fit: cover;
        }

        /* 服务能力与一站式制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .service-card {
            background: var(--white);
            padding: 40px 30px;
            border-radius: var(--border-radius);
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
        }

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

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
        }

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

        /* 标签云 (模型支持) */
        .tags-wrapper {
            background: var(--white);
            padding: 40px;
            border-radius: var(--border-radius);
            border: 1px solid rgba(0,0,0,0.05);
            margin-top: 40px;
        }

        .tags-title {
            text-align: center;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--muted);
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-item {
            padding: 6px 14px;
            background: var(--light);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--dark);
            border: 1px solid rgba(0,0,0,0.03);
            transition: var(--transition);
        }

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

        /* 解决方案与制作流程 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background: rgba(99, 102, 241, 0.1);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: var(--white);
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -10px;
        }

        .timeline-content {
            padding: 24px;
            background-color: var(--white);
            position: relative;
            border-radius: var(--border-radius);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid rgba(0,0,0,0.05);
        }

        /* 对比评测表格 */
        .comparison-table-wrap {
            overflow-x: auto;
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.03);
            border: 1px solid rgba(0,0,0,0.05);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        .comparison-table th, .comparison-table td {
            padding: 20px 24px;
            border-bottom: 1px solid rgba(0,0,0,0.05);
        }

        .comparison-table th {
            background-color: rgba(99, 102, 241, 0.02);
            font-weight: 700;
        }

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

        .highlight-col {
            background-color: rgba(99, 102, 241, 0.03);
            font-weight: 600;
        }

        .rating-box {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            padding: 30px;
            border-radius: var(--border-radius);
            text-align: center;
            margin-bottom: 40px;
        }

        .rating-score {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1;
        }

        /* 案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .case-card {
            background: var(--white);
            border-radius: var(--border-radius);
            overflow: hidden;
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
        }

        .case-img-container {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--light);
        }

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

        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }

        .case-body {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .case-body h4 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }

        .case-body p {
            color: var(--muted);
            font-size: 0.9rem;
        }

        /* 用户评论 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .testimonial-card {
            background: var(--white);
            padding: 30px;
            border-radius: var(--border-radius);
            border: 1px solid rgba(0,0,0,0.05);
            box-shadow: 0 10px 30px rgba(0,0,0,0.01);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testimonial-text {
            color: var(--dark);
            font-style: italic;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .user-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .user-info h5 {
            font-weight: 700;
        }

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

        /* 需求匹配表单与联系我们 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
        }

        .form-card {
            background: var(--white);
            padding: 40px;
            border-radius: var(--border-radius);
            border: 1px solid rgba(0,0,0,0.05);
            box-shadow: 0 20px 50px rgba(0,0,0,0.02);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid rgba(0,0,0,0.1);
            border-radius: 8px;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }

        .info-card {
            background: linear-gradient(135deg, var(--dark), #1e293b);
            color: var(--white);
            padding: 40px;
            border-radius: var(--border-radius);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-card h3 {
            font-size: 1.8rem;
            margin-bottom: 24px;
        }

        .info-list {
            list-style: none;
            margin-bottom: 40px;
        }

        .info-list li {
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .qr-code-box {
            text-align: center;
            background: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: var(--border-radius);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .qr-code-box img {
            width: 140px;
            height: 140px;
            border-radius: 8px;
            margin-bottom: 8px;
        }

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

        .faq-item {
            background: var(--white);
            border: 1px solid rgba(0,0,0,0.05);
            border-radius: var(--border-radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            font-weight: 700;
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(99, 102, 241, 0.01);
        }

        .faq-body {
            padding: 0 24px 20px;
            color: var(--muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-content {
            max-height: 200px; /* 适当给一个安全的高度 */
        }

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

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

        /* 资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .news-card {
            background: var(--white);
            padding: 24px;
            border-radius: var(--border-radius);
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
        }

        .news-card h4 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-card a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
        }

        .news-card a:hover {
            color: var(--primary);
        }

        /* 浮动客服 */
        .floating-kefu {
            position: fixed;
            bottom: 40px;
            right: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 30px rgba(236, 72, 153, 0.4);
            cursor: pointer;
            z-index: 999;
            transition: var(--transition);
        }

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

        .kefu-popup {
            position: absolute;
            bottom: 75px;
            right: 0;
            background: var(--white);
            border: 1px solid rgba(0,0,0,0.08);
            border-radius: var(--border-radius);
            padding: 20px;
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
            display: none;
            width: 220px;
            text-align: center;
        }

        .kefu-popup img {
            width: 150px;
            height: 150px;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .kefu-popup p {
            color: var(--dark);
            font-size: 0.85rem;
            font-weight: 600;
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 80px 0 30px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 60px;
        }

        .footer-logo img {
            height: 45px;
            margin-bottom: 20px;
        }

        .footer-about p {
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .footer-links h4, .footer-contact h4 {
            color: var(--white);
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
        }

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

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

        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
            font-size: 0.9rem;
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }

        .footer-contact p {
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 30px;
            text-align: center;
            font-size: 0.85rem;
        }

        .friend-links {
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .friend-links a {
            color: #64748b;
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* 移动端响应式适配 */
        @media (max-width: 991px) {
            .menu-toggle {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: var(--white);
                flex-direction: column;
                align-items: center;
                padding: 40px 0;
                transition: var(--transition);
                box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            }

            .nav-menu.active {
                left: 0;
            }

            .about-grid, .contact-layout {
                grid-template-columns: 1fr;
            }

            .timeline::after {
                left: 31px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }

            .timeline-item::after {
                left: 21px;
                right: auto;
            }

            .right {
                left: 0%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-title {
                font-size: 2.2rem;
            }
        }