:root {
            --primary: #7C3AED;
            --primary-light: #A78BFA;
            --primary-dark: #5B21B6;
            --accent: #EC4899;
            --text-dark: #1F2937;
            --text-muted: #4B5563;
            --bg-light: #F9FAFB;
            --bg-purple: #F5F3FF;
            --white: #FFFFFF;
            --border: #E5E7EB;
            --shadow: 0 10px 15px -3px rgba(124, 58, 237, 0.1), 0 4px 6px -2px rgba(124, 58, 237, 0.05);
            --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(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

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

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

        .logo-box {
            display: flex;
            align-items: center;
        }

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

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

        .nav-menu a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
        }

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

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white) !important;
            padding: 8px 20px;
            border-radius: 20px;
            font-weight: 600;
            box-shadow: var(--shadow);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            opacity: 0.9;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero首屏 - 亮紫绚烂风, 无图片 */
        .hero {
            position: relative;
            background: radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
                        var(--bg-purple);
            padding: 100px 0 80px 0;
            text-align: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(167, 139, 250, 0.08) 0%, transparent 60%);
            animation: rotateBg 20s linear infinite;
            z-index: 1;
        }

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

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 2.5rem;
            color: var(--primary-dark);
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 35px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        .btn-main {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            padding: 15px 40px;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            box-shadow: 0 8px 20px rgba(124, 58, 237, 0.3);
            transition: var(--transition);
        }

        .btn-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 25px rgba(124, 58, 237, 0.4);
        }

        .btn-sub {
            background: var(--white);
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 15px 40px;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* 核心业务数据指标 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 50px;
            position: relative;
            z-index: 2;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(124, 58, 237, 0.1);
            backdrop-filter: blur(10px);
            padding: 25px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            background: var(--white);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-dark);
            font-weight: 600;
        }

        .stat-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .section-light {
            background-color: var(--white);
        }

        .section-purple {
            background-color: var(--bg-purple);
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 50px auto;
        }

        .section-header h2 {
            font-size: 2.2rem;
            color: var(--primary-dark);
            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: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-muted);
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

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

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

        .about-features li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            font-weight: 500;
        }

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

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

        .service-card {
            background-color: var(--white);
            border: 1px solid var(--border);
            padding: 30px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-light);
        }

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

        .service-card h3 {
            font-size: 1.3rem;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

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

        /* 标签云样式 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 15px;
        }

        .tag {
            background-color: var(--bg-purple);
            color: var(--primary-dark);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* 一站式创作流程与步骤 */
        .step-timeline {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 40px;
        }

        .step-timeline::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 5%;
            right: 5%;
            height: 4px;
            background-color: var(--border);
            z-index: 1;
        }

        .step-item {
            position: relative;
            z-index: 2;
            text-align: center;
            width: 20%;
        }

        .step-num {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 800;
            margin: 0 auto 20px auto;
            box-shadow: var(--shadow);
        }

        .step-item h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 0 10px;
        }

        /* 对比评测板块 */
        .eval-container {
            background-color: var(--white);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(124, 58, 237, 0.15);
        }

        .eval-header-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .score-box {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            padding: 20px 40px;
            border-radius: 16px;
            text-align: center;
            min-width: 200px;
        }

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

        .score-star {
            font-size: 1.2rem;
            margin-top: 5px;
        }

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

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

        .eval-table th, .eval-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
        }

        .eval-table th {
            background-color: var(--bg-purple);
            color: var(--primary-dark);
            font-weight: 700;
        }

        .eval-table tr:hover {
            background-color: rgba(245, 243, 255, 0.4);
        }

        .highlight-col {
            color: var(--primary-dark);
            font-weight: bold;
            background-color: rgba(245, 243, 255, 0.3);
        }

        /* 案例展示区 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: var(--white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .case-img-wrapper {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background-color: #eee;
        }

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

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

        .case-info {
            padding: 20px;
        }

        .case-info h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .case-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        /* 客户评论卡片 */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background-color: var(--white);
            border: 1px solid var(--border);
            padding: 25px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            position: relative;
        }

        .review-card::before {
            content: "“";
            position: absolute;
            top: 10px;
            right: 20px;
            font-size: 5rem;
            color: rgba(124, 58, 237, 0.08);
            line-height: 1;
            font-family: serif;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

        .user-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: bold;
            font-size: 1.1rem;
        }

        .user-info h4 {
            font-size: 1rem;
            color: var(--text-dark);
        }

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

        .review-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            z-index: 2;
            position: relative;
        }

        /* FAQ折叠面板 */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background-color: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-dark);
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: rgba(245, 243, 255, 0.2);
        }

        .faq-answer p {
            padding: 20px;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 需求表单区域 */
        .form-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-wrapper {
            background-color: var(--white);
            padding: 40px;
            border-radius: 24px;
            box-shadow: var(--shadow);
            border: 1px solid rgba(124, 58, 237, 0.1);
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group label {
            font-weight: 600;
            font-size: 0.95rem;
        }

        .form-group input, .form-group select, .form-group textarea {
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            outline: none;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }

        .btn-submit {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            border: none;
            padding: 15px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
            transition: var(--transition);
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            opacity: 0.95;
        }

        .contact-info-card {
            background-color: var(--bg-purple);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid rgba(124, 58, 237, 0.15);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .contact-item h4 {
            color: var(--primary-dark);
            font-size: 1.1rem;
            margin-bottom: 5px;
        }

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

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 20px;
        }

        .qr-item {
            text-align: center;
            flex: 1;
        }

        .qr-item img {
            width: 100%;
            max-width: 130px;
            aspect-ratio: 1;
            border-radius: 8px;
            border: 1px solid var(--border);
            padding: 5px;
            background-color: var(--white);
        }

        .qr-item span {
            display: block;
            margin-top: 8px;
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 资讯与友情链接 */
        .info-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .article-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .article-item {
            background: var(--white);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border);
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
            transition: var(--transition);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .article-item:hover {
            border-color: var(--primary-light);
            transform: translateX(5px);
        }

        .article-content h4 {
            font-size: 1.05rem;
            color: var(--text-dark);
            margin-bottom: 5px;
        }

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

        .article-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .tag-cloud-wrapper {
            background: var(--white);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
        }

        /* 页脚 */
        footer {
            background-color: var(--text-dark);
            color: #E5E7EB;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
        }

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

        .footer-logo img {
            height: 45px;
            margin-bottom: 15px;
        }

        .footer-title {
            color: var(--white);
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
        }

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

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

        .footer-links a {
            color: #9CA3AF;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .friend-links a {
            color: #9CA3AF;
            text-decoration: none;
            background-color: #374151;
            padding: 5px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 侧边浮动客服 */
        .float-kefu {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 999;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--white);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
            cursor: pointer;
            transition: var(--transition);
        }

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

        .float-kefu-panel {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--white);
            border: 1px solid var(--border);
            padding: 20px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            display: none;
            width: 220px;
            text-align: center;
        }

        .float-kefu-panel img {
            width: 100%;
            border-radius: 8px;
            margin-bottom: 10px;
        }

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

        .float-kefu:hover .float-kefu-panel {
            display: block;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3, .review-grid, .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .form-grid, .info-grid {
                grid-template-columns: 1fr;
            }
            .step-timeline {
                flex-direction: column;
                gap: 30px;
            }
            .step-timeline::before {
                display: none;
            }
            .step-item {
                width: 100%;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--white);
                padding: 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 1.8rem;
            }
            .grid-3, .review-grid, .case-grid, .stats-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }