:root {
            --primary: #7C3AED;
            --primary-light: #F3E8FF;
            --primary-dark: #5B21B6;
            --accent: #EC4899;
            --accent-light: #FCE7F3;
            --bg-main: #FAF8FF;
            --text-dark: #1E1B4B;
            --text-muted: #4B5563;
            --border-color: #E9D5FF;
            --card-bg: #FFFFFF;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-main);
            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, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }

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

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

        .ai-page-logo {
            height: 40px;
            object-fit: contain;
        }

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

        .nav-links a {
            color: var(--text-dark);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            padding: 5px 10px;
            border-radius: 6px;
        }

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

        .btn-nav-action {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff !important;
            padding: 8px 16px !important;
            border-radius: 20px;
            box-shadow: 0 4px 10px rgba(124, 58, 237, 0.2);
        }

        .btn-nav-action:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(124, 58, 237, 0.3);
        }

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

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

        /* Hero首屏 - 严禁出现图片 */
        .hero {
            padding: 80px 0;
            text-align: center;
            background: radial-gradient(circle at top right, #FDF4FF, #F3E8FF, var(--bg-main));
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(124,58,237,0.1) 0%, transparent 70%);
            z-index: 0;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -10%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(236,72,153,0.1) 0%, transparent 70%);
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            background-color: var(--accent-light);
            color: var(--accent);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 20px;
            animation: pulse 2s infinite;
        }

        .hero h1 {
            font-size: 2.8rem;
            color: var(--text-dark);
            line-height: 1.25;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .hero h1 span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .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;
            gap: 15px;
            justify-content: center;
            margin-bottom: 40px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 30px;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
        }

        .btn-outline {
            background-color: #fff;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 50px;
        }

        .stat-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 16px;
            box-shadow: 0 4px 6px rgba(124, 58, 237, 0.05);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(124, 58, 237, 0.1);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 通用区块样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(124, 58, 237, 0.1);
        }

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

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

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }

        .section-title p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 关于我们与平台介绍 */
        .about-wrap {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

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

        .platform-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 25px;
        }

        .feature-badge {
            background-color: var(--primary-light);
            color: var(--primary-dark);
            padding: 10px 15px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .about-card {
            background: linear-gradient(135deg, var(--primary-dark), #431407);
            color: #fff;
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 15px 30px rgba(91, 33, 182, 0.2);
            position: relative;
        }

        .about-card h4 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            color: #F3E8FF;
        }

        .about-card ul {
            list-style: none;
            margin-top: 20px;
        }

        .about-card ul li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #E9D5FF;
        }

        /* 服务能力卡片 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .service-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(124, 58, 237, 0.1);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            display: inline-block;
        }

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

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 15px;
        }

        /* 支持的AI平台标签云 */
        .tag-cloud {
            margin-top: 40px;
            text-align: center;
            background-color: var(--primary-light);
            padding: 30px;
            border-radius: 20px;
            border: 1px dashed var(--border-color);
        }

        .tag-cloud h4 {
            font-size: 15px;
            color: var(--primary-dark);
            margin-bottom: 15px;
        }

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

        .ai-tag {
            background-color: #fff;
            color: var(--text-dark);
            padding: 6px 12px;
            border-radius: 30px;
            font-size: 13px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .ai-tag:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        /* 流程步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 25px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .step-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(124, 58, 237, 0.08);
        }

        .step-num {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 35px;
            height: 35px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            box-shadow: 0 4px 8px rgba(124, 58, 237, 0.3);
        }

        .step-card h3 {
            font-size: 1.15rem;
            margin-top: 15px;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

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

        /* 对比评测表格 */
        .compare-wrap {
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 8px 24px rgba(124, 58, 237, 0.05);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background-color: #fff;
            min-width: 800px;
        }

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
        }

        .compare-table th {
            background-color: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
        }

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

        .compare-table tr:hover td {
            background-color: rgba(124, 58, 237, 0.02);
        }

        .highlight-col {
            background-color: rgba(124, 58, 237, 0.05);
            font-weight: 600;
            color: var(--primary-dark);
        }

        .rating-badge {
            background: linear-gradient(135deg, #FBBF24, #F59E0B);
            color: #fff;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
        }

        /* 案例展示区 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background-color: var(--card-bg);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(124, 58, 237, 0.1);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: var(--primary-light);
            position: relative;
        }

        .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-info {
            padding: 20px;
        }

        .case-tag {
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 5px;
            display: block;
        }

        .case-info h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

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

        /* 技术与培训板块 */
        .grid-two-col {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .panel-box {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
        }

        .panel-box h3 {
            font-size: 1.4rem;
            color: var(--primary-dark);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .list-item {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px dashed var(--border-color);
        }

        .list-item:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        .list-item h4 {
            font-size: 14px;
            color: var(--text-dark);
            margin-bottom: 5px;
        }

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

        /* 对比与大评测展示 */
        .overall-evaluation {
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            border-radius: 24px;
            padding: 40px;
            margin-top: 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

        .eval-left h3 {
            font-size: 1.8rem;
            color: var(--primary-dark);
            margin-bottom: 10px;
        }

        .eval-left p {
            color: var(--text-dark);
            font-size: 15px;
            max-width: 600px;
        }

        .eval-right {
            text-align: center;
            background-color: #fff;
            padding: 30px;
            border-radius: 20px;
            box-shadow: 0 10px 25px rgba(124, 58, 237, 0.1);
            min-width: 250px;
        }

        .score-circle {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            border: 6px solid var(--primary);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px auto;
        }

        .score-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-dark);
            line-height: 1;
        }

        .score-max {
            font-size: 11px;
            color: var(--text-muted);
        }

        .stars {
            color: #F59E0B;
            font-size: 1.2rem;
            margin-bottom: 5px;
        }

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

        .review-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 25px;
            box-shadow: 0 4px 6px rgba(124, 58, 237, 0.02);
            transition: var(--transition);
        }

        .review-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 24px rgba(124, 58, 237, 0.08);
        }

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

        .reviewer-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 14px;
        }

        .reviewer-meta h4 {
            font-size: 14px;
            color: var(--text-dark);
        }

        .reviewer-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        .review-text {
            font-size: 13.5px;
            color: var(--text-muted);
            line-height: 1.5;
            font-style: italic;
        }

        /* 文章列表与资讯 */
        .articles-box {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 35px;
        }

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

        .articles-list li {
            border-bottom: 1px solid var(--border-color);
            padding: 15px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }

        .articles-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .article-title {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
            font-size: 14.5px;
            transition: var(--transition);
        }

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

        .article-date {
            color: var(--text-muted);
            font-size: 13px;
            white-space: nowrap;
        }

        /* FAQ折叠面板 */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

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

        .faq-question {
            padding: 18px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 14px;
            color: var(--text-dark);
            background-color: #fff;
            user-select: none;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: rgba(124, 58, 237, 0.01);
            border-top: 0px solid transparent;
        }

        .faq-answer p {
            padding: 15px 20px;
            font-size: 13.5px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.05);
        }

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

        .faq-icon {
            font-size: 12px;
            transition: var(--transition);
            color: var(--primary);
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        /* 术语与排查 */
        .wiki-section {
            background-color: var(--primary-light);
            border-radius: 24px;
            padding: 40px;
            margin-top: 50px;
        }

        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .wiki-card {
            background-color: #fff;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .wiki-card h4 {
            color: var(--primary-dark);
            margin-bottom: 10px;
            font-size: 14px;
        }

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

        /* 需求表单与联系方式 */
        .contact-section-wrap {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .form-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(124, 58, 237, 0.05);
        }

        .form-card h3 {
            font-size: 1.6rem;
            color: var(--text-dark);
            margin-bottom: 25px;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            transition: var(--transition);
            background-color: #fff;
            color: var(--text-dark);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px var(--primary-light);
        }

        .btn-submit {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            padding: 14px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.2);
        }

        .btn-submit:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(124, 58, 237, 0.3);
        }

        .contact-info-panel {
            background: linear-gradient(135deg, var(--primary-dark), #1E1B4B);
            color: #fff;
            border-radius: 24px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-top h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            color: #fff;
        }

        .info-top p {
            color: #E9D5FF;
            font-size: 14px;
            margin-bottom: 30px;
        }

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

        .info-list li {
            margin-bottom: 20px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: #F3E8FF;
        }

        .qr-wrap {
            margin-top: 30px;
            text-align: center;
            background-color: rgba(255, 255, 255, 0.1);
            padding: 20px;
            border-radius: 16px;
        }

        .qr-wrap img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .qr-wrap p {
            font-size: 12px;
            color: #F3E8FF;
        }

        /* 友情链接与页脚 */
        footer {
            background-color: #111827;
            color: #9CA3AF;
            padding: 60px 0 30px 0;
            font-size: 14px;
            border-top: 2px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: #F3F4F6;
            margin-bottom: 20px;
            font-size: 15px;
            position: relative;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 25px;
            height: 2px;
            background-color: var(--primary);
        }

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

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

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

        .footer-col ul li a:hover {
            color: #FFF;
            padding-left: 5px;
        }

        .friend-links {
            border-top: 1px solid #1F2937;
            border-bottom: 1px solid #1F2937;
            padding: 20px 0;
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .friend-links span {
            color: #F3F4F6;
            font-weight: 600;
        }

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

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #6B7280;
            font-size: 12px;
        }

        /* 悬浮客服挂件 */
        .floating-widget {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .widget-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: #fff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .widget-btn:hover {
            background-color: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

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

        .widget-btn:hover svg {
            fill: #fff;
        }

        .widget-hover-panel {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: #fff;
            padding: 15px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            min-width: 140px;
        }

        .widget-hover-panel img {
            width: 100px;
            height: 100px;
            margin-bottom: 8px;
        }

        .widget-hover-panel p {
            font-size: 11px;
            color: var(--text-dark);
            margin: 0;
        }

        .widget-btn:hover .widget-hover-panel {
            display: block;
        }

        /* 动画关键帧 */
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .hero h1 { font-size: 2.2rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .about-wrap { grid-template-columns: 1fr; }
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .cases-grid { grid-template-columns: repeat(2, 1fr); }
            .grid-two-col { grid-template-columns: 1fr; }
            .reviews-grid { grid-template-columns: repeat(2, 1fr); }
            .faq-grid { grid-template-columns: 1fr; }
            .wiki-grid { grid-template-columns: repeat(2, 1fr); }
            .contact-section-wrap { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .menu-toggle { display: flex; }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #fff;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            }
            .nav-links.active { display: flex; }
            .hero h1 { font-size: 1.8rem; }
            .hero-btns { flex-direction: column; align-items: center; }
            .btn { width: 100%; max-width: 300px; }
            .stats-grid { grid-template-columns: 1fr; }
            .service-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .cases-grid { grid-template-columns: 1fr; }
            .reviews-grid { grid-template-columns: 1fr; }
            .wiki-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .overall-evaluation { flex-direction: column; text-align: center; }
        }