:root {
            --primary: #ff007f; /* 艳色潮流：荧光粉 */
            --secondary: #7f00ff; /* 艳色潮流：霓虹紫 */
            --accent: #00f0ff; /* 艳色潮流：青色 */
            --bg-light: #f9fafc;
            --text-dark: #121214;
            --text-muted: #555860;
            --border-color: #e5e7eb;
            --card-shadow: 0 10px 30px rgba(127, 0, 255, 0.05);
            --card-hover-shadow: 0 20px 40px rgba(255, 0, 127, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        /* 统一页面容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 艳色潮流风背景点缀（非图片） */
        .glow-bg {
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(127,0,255,0.15) 0%, rgba(255,0,127,0.05) 50%, rgba(255,255,255,0) 70%);
            border-radius: 50%;
            z-index: -1;
            filter: blur(40px);
            pointer-events: none;
        }

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

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

        .logo-wrap {
            display: flex;
            align-items: center;
            height: 40px;
        }

        .logo-wrap img {
            height: 100%;
            width: auto;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 15px;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-dark);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 6px;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary);
            background-color: rgba(255, 0, 127, 0.05);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff !important;
            border-radius: 30px !important;
            padding: 8px 20px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 15px rgba(255, 0, 127, 0.2);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 127, 0.3);
        }

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

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

        /* 移动端侧边栏 */
        .mobile-menu {
            position: fixed;
            top: 70px;
            left: -100%;
            width: 100%;
            height: calc(100vh - 70px);
            background-color: #fff;
            z-index: 999;
            transition: var(--transition);
            padding: 40px 20px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
        }

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

        .mobile-menu a {
            text-decoration: none;
            color: var(--text-dark);
            font-size: 18px;
            font-weight: 600;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
        }

        /* 首屏 Hero 区 (无图片) */
        .hero {
            position: relative;
            padding: 150px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.08) 0%, rgba(255, 255, 255, 0) 50%),
                        radial-gradient(circle at 10% 80%, rgba(127, 0, 255, 0.08) 0%, rgba(255, 255, 255, 0) 50%);
            overflow: hidden;
            text-align: center;
        }

        .hero-tag {
            display: inline-block;
            background: linear-gradient(90deg, rgba(255, 0, 127, 0.1), rgba(127, 0, 255, 0.1));
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 0, 127, 0.2);
        }

        .hero h1 {
            font-size: clamp(28px, 5vw, 48px);
            line-height: 1.2;
            font-weight: 800;
            background: linear-gradient(135deg, var(--text-dark) 30%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .hero p {
            font-size: clamp(16px, 2vw, 20px);
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        .btn-primary {
            display: inline-block;
            padding: 15px 35px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.25);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 0, 127, 0.35);
        }

        .btn-secondary {
            display: inline-block;
            padding: 15px 35px;
            background: #fff;
            color: var(--text-dark);
            text-decoration: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 16px;
            border: 2px solid var(--border-color);
            transition: var(--transition);
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
        }

        /* 统计数据区 */
        .stats {
            padding: 50px 0;
            background-color: #fff;
            border-y: 1px solid var(--border-color);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            text-align: center;
        }

        .stat-card h3 {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-card p {
            color: var(--text-muted);
            font-size: 14px;
            font-weight: 500;
        }

        /* 通用区块样式 */
        section {
            padding: 100px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            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(--secondary));
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
        }

        /* 卡片网格布局 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .card {
            background-color: #fff;
            border-radius: 20px;
            padding: 40px 30px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(127, 0, 255, 0.03);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .card:hover {
            transform: translateY(-10px);
            box-shadow: var(--card-hover-shadow);
        }

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

        .card-icon {
            width: 60px;
            height: 60px;
            border-radius: 15px;
            background: linear-gradient(135deg, rgba(255,0,127,0.1), rgba(127,0,255,0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 25px;
        }

        .card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .card p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
        }

        /* 平台介绍 */
        .platform-intro {
            background-color: #fff;
        }

        .intro-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .intro-text h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .intro-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

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

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

        .features-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: 900;
        }

        /* 流程步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            position: relative;
        }

        .step-card {
            background-color: #fff;
            padding: 30px;
            border-radius: 15px;
            text-align: center;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .step-num {
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            box-shadow: 0 5px 15px rgba(255, 0, 127, 0.2);
        }

        .step-card h3 {
            margin-top: 15px;
            font-size: 18px;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 对比评测表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            background: #fff;
            border-radius: 20px;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-color);
        }

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

        th, td {
            padding: 20px 25px;
            border-bottom: 1px solid var(--border-color);
        }

        th {
            background-color: rgba(127, 0, 255, 0.02);
            font-weight: 700;
            color: var(--text-dark);
        }

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

        .highlight-col {
            background-color: rgba(255, 0, 127, 0.02);
            font-weight: 600;
        }

        .badge-star {
            background: linear-gradient(135deg, #ff9f00, #ff6f00);
            color: #fff;
            padding: 3px 10px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 700;
        }

        /* 案例与素材展示 */
        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .showcase-card {
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .showcase-img-wrap {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #eaeaea;
            position: relative;
        }

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

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

        .showcase-body {
            padding: 25px;
        }

        .showcase-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .showcase-body p {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* 标签云与价格参考 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 20px;
        }

        .tag-cloud span {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 6px 15px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .tag-cloud span:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        .price-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .price-card {
            background: #fff;
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            box-shadow: var(--card-shadow);
            border: 2px solid transparent;
            transition: var(--transition);
        }

        .price-card.popular {
            border-color: var(--primary);
            position: relative;
        }

        .price-card.popular::after {
            content: '首选推荐';
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 30px;
        }

        .price-val {
            font-size: 40px;
            font-weight: 800;
            color: var(--text-dark);
            margin: 20px 0;
        }

        .price-val span {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 400;
        }

        /* FAQ 折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

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

        .faq-question {
            padding: 20px 25px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            padding: 0 25px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.active {
            border-color: var(--secondary);
            box-shadow: var(--card-shadow);
        }

        .faq-item.active .faq-answer {
            max-height: 1000px;
            padding-bottom: 20px;
            transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
        }

        .faq-icon::before {
            content: '+';
            font-size: 20px;
            font-weight: bold;
            color: var(--primary);
        }

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

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

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

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .avatar-placeholder {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
        }

        .user-info h4 {
            font-size: 16px;
            font-weight: 700;
        }

        .user-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        .review-card p.comment {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 表单区域 */
        .form-section {
            background: linear-gradient(135deg, rgba(255,0,127,0.02), rgba(127,0,255,0.02));
        }

        .form-container {
            max-width: 650px;
            margin: 0 auto;
            background: #fff;
            padding: 50px 40px;
            border-radius: 25px;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-color);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            transition: var(--transition);
            background: #fafafa;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(255,0,127,0.1);
        }

        textarea.form-control {
            height: 120px;
            resize: none;
        }

        .submit-btn {
            width: 100%;
            padding: 15px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 8px 20px rgba(255,0,127,0.2);
            transition: var(--transition);
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(255,0,127,0.3);
        }

        /* 资讯/文章列表 */
        .article-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .article-card {
            background: #fff;
            border-radius: 15px;
            padding: 25px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .article-card h3 {
            font-size: 16px;
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .article-card a {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 700;
            transition: var(--transition);
        }

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

        .article-meta {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            gap: 15px;
            margin-top: 15px;
        }

        /* 侧边浮动客服 */
        .float-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .float-btn:hover {
            transform: translateY(-3px);
            background: var(--primary);
            color: #fff;
        }

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

        .float-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            padding: 20px;
            width: 220px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .float-popover img {
            width: 150px;
            height: 150px;
            margin-bottom: 10px;
            object-fit: cover;
        }

        .float-btn:hover .float-popover {
            opacity: 1;
            visibility: visible;
        }

        /* 页脚 */
        footer {
            background-color: #121214;
            color: #b5b7c0;
            padding: 80px 0 30px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand h2 {
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-links h3 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: #b5b7c0;
            text-decoration: none;
            transition: var(--transition);
        }

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

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

        .friend-links a {
            color: #8c8f9a;
            text-decoration: none;
            transition: var(--transition);
            font-size: 13px;
        }

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

        .footer-bottom {
            border-top: 1px solid #232329;
            padding-top: 30px;
            text-align: center;
            font-size: 12px;
            color: #686b75;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .intro-content {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .form-container {
                padding: 30px 20px;
            }
        }