:root {
            --primary: #7C3AED;
            --primary-light: #A78BFA;
            --primary-dark: #5B21B6;
            --accent: #D946EF;
            --accent-light: #F472B6;
            --dark: #1F2937;
            --light: #F9FAFB;
            --gray: #E5E7EB;
            --text-dark: #111827;
            --text-light: #4B5563;
            --shadow-purple: 0 10px 30px -10px rgba(124, 58, 237, 0.3);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            background-color: var(--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 {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            z-index: 1000;
        }

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

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

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

        .logo-text {
            font-weight: 800;
            font-size: 20px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

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

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

        .nav-btn-box {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-nav-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 14px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(124, 58, 237, 0.2);
        }

        .btn-nav-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(124, 58, 237, 0.4);
        }

        /* 移动端菜单切换按钮 */
        .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(--primary-dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 统一段落排版 */
        section {
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

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

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--primary);
            background: rgba(124, 58, 237, 0.1);
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 15px;
        }

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

        /* Hero 区域 (无图片) */
        .hero {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(217, 70, 239, 0.08), transparent 45%),
                        radial-gradient(circle at 10% 80%, rgba(124, 58, 237, 0.08), transparent 45%),
                        #ffffff;
            position: relative;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

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

        .hero-desc {
            font-size: 18px;
            color: var(--text-light);
            margin-bottom: 30px;
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 40px;
        }

        .btn-main {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white !important;
            padding: 14px 28px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
        }

        .btn-main:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(124, 58, 237, 0.5);
        }

        .btn-outline {
            display: inline-block;
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            padding: 12px 26px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }

        .btn-outline:hover {
            background: rgba(124, 58, 237, 0.05);
            transform: translateY(-2px);
        }

        .hero-features {
            display: flex;
            gap: 20px;
        }

        .hero-feature-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
        }

        .hero-feature-item svg {
            color: var(--accent);
            flex-shrink: 0;
        }

        /* 纯CSS科技感装饰图形代替首屏图片 */
        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }

        .tech-sphere-wrap {
            width: 320px;
            height: 320px;
            position: relative;
            background: radial-gradient(circle, rgba(124,58,237,0.1) 0%, rgba(217,70,239,0.05) 70%);
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .tech-sphere {
            width: 200px;
            height: 200px;
            border: 2px dashed var(--primary);
            border-radius: 50%;
            animation: spin 20s linear infinite;
            position: absolute;
        }

        .tech-sphere-inner {
            width: 140px;
            height: 140px;
            border: 2px dotted var(--accent);
            border-radius: 50%;
            animation: spin-reverse 15s linear infinite;
            position: absolute;
        }

        .tech-core {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            box-shadow: 0 0 30px var(--primary);
            position: absolute;
        }

        .tech-orbit {
            position: absolute;
            width: 280px;
            height: 100px;
            border: 1px solid rgba(124,58,237,0.3);
            border-radius: 50%;
            transform: rotate(-30deg);
        }

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

        @keyframes spin-reverse {
            0% { transform: rotate(360deg); }
            100% { transform: rotate(0deg); }
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background: white;
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            box-shadow: var(--shadow-purple);
            border: 1px solid rgba(124, 58, 237, 0.08);
            transition: var(--transition);
        }

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

        .stat-num {
            font-size: 36px;
            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: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* 平台介绍 & 关于我们 */
        .about-wrap {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

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

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feat-item {
            background: white;
            padding: 20px;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .about-feat-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .about-feat-item p {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* AIGC 服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .service-card {
            background: white;
            border-radius: 16px;
            padding: 35px 25px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            border: 1px solid rgba(0,0,0,0.03);
            transition: var(--transition);
            position: relative;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-purple);
            border-color: rgba(124, 58, 237, 0.2);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(124, 58, 237, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .service-card p {
            color: var(--text-light);
            font-size: 14px;
        }

        /* 一站式制作 */
        .onestop-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .onestop-card {
            background: linear-gradient(180deg, #ffffff 0%, #fcfbfe 100%);
            border: 1px solid rgba(124, 58, 237, 0.1);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }

        .onestop-card:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
        }

        .onestop-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin: 15px 0 10px 0;
        }

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

        /* 行业解决方案与图片排版 */
        .solutions-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .sol-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .sol-item {
            padding: 20px;
            background: white;
            border-radius: 12px;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .sol-item.active, .sol-item:hover {
            border-color: rgba(124, 58, 237, 0.3);
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.05);
        }

        .sol-item h4 {
            font-size: 16px;
            color: var(--text-dark);
            font-weight: 700;
            margin-bottom: 5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .sol-image-box {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            aspect-ratio: 16/10;
        }

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

        /* 流程步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            position: relative;
        }

        .step-card {
            background: white;
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid rgba(0,0,0,0.03);
            position: relative;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 20px auto;
            box-shadow: 0 4px 10px rgba(124, 58, 237, 0.3);
        }

        .step-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        /* 对比评测 */
        .rating-box {
            display: flex;
            justify-content: space-between;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            padding: 30px;
            border-radius: 16px;
            margin-bottom: 40px;
            box-shadow: var(--shadow-purple);
        }

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

        .rating-val {
            font-size: 40px;
            font-weight: 800;
        }

        .rating-lbl {
            font-size: 14px;
            opacity: 0.9;
        }

        .table-responsive {
            overflow-x: auto;
            background: white;
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            border: 1px solid var(--gray);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        th, td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--gray);
            font-size: 14px;
        }

        th {
            background-color: #F3F4F6;
            font-weight: 700;
            color: var(--text-dark);
        }

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

        .highlight-col {
            background-color: rgba(124, 58, 237, 0.03);
            font-weight: 600;
            color: var(--primary-dark);
        }

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

        .token-card {
            background: white;
            border-radius: 16px;
            padding: 25px;
            border: 1px solid var(--gray);
            transition: var(--transition);
        }

        .token-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-purple);
        }

        .token-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .token-card .price {
            font-size: 20px;
            color: var(--primary);
            font-weight: 800;
        }

        .token-card .price span {
            font-size: 12px;
            color: var(--text-light);
            font-weight: 400;
        }

        .model-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 15px;
        }

        .model-tag {
            background: var(--light);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 11px;
            color: var(--text-light);
        }

        /* 培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .training-card {
            background: white;
            border-radius: 16px;
            border: 1px solid var(--gray);
            overflow: hidden;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        }

        .train-header {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: white;
            padding: 25px;
        }

        .train-header h4 {
            font-size: 18px;
            margin-bottom: 5px;
        }

        .train-header span {
            font-size: 12px;
            opacity: 0.8;
        }

        .train-body {
            padding: 25px;
        }

        .train-features {
            list-style: none;
            margin-bottom: 25px;
        }

        .train-features li {
            font-size: 13px;
            color: var(--text-light);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .case-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            border: 1px solid var(--gray);
        }

        .case-img-box {
            width: 100%;
            aspect-ratio: 4/3;
            overflow: hidden;
        }

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

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

        .case-info {
            padding: 20px;
        }

        .case-info h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* 需求匹配表单 & 联系我们 */
        .contact-wrap {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 50px;
        }

        .contact-info-panel {
            background: linear-gradient(135deg, #2D1B4E, #1F0D3D);
            color: white;
            padding: 40px;
            border-radius: 20px;
            box-shadow: var(--shadow-purple);
        }

        .contact-info-panel h3 {
            font-size: 24px;
            margin-bottom: 20px;
        }

        .info-list {
            margin: 30px 0;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .info-item {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .info-icon {
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .contact-qrcode {
            text-align: center;
            margin-top: 30px;
        }

        .contact-qrcode img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            border: 4px solid white;
        }

        .contact-qrcode p {
            margin-top: 8px;
            font-size: 12px;
            opacity: 0.8;
        }

        .form-card {
            background: white;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            border: 1px solid var(--gray);
        }

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

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

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

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: white;
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        .btn-submit {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(124, 58, 237, 0.2);
        }

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

        .review-card {
            background: white;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--gray);
            box-shadow: 0 4px 15px rgba(0,0,0,0.01);
            position: relative;
        }

        .review-quote {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 20px;
            font-style: italic;
        }

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

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
        }

        .author-info h5 {
            font-size: 14px;
            font-weight: 700;
        }

        .author-info span {
            font-size: 12px;
            color: var(--text-light);
        }

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

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

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-question::after {
            content: '+';
            font-size: 20px;
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
            background: var(--light);
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 20px 24px;
            border-top: 1px solid var(--gray);
        }

        /* 标签云与术语百科 */
        .tags-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .wiki-tag {
            background: white;
            border: 1px solid var(--gray);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 13px;
            color: var(--text-dark);
            transition: var(--transition);
            cursor: pointer;
        }

        .wiki-tag:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        /* 资讯与知识库 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-top: 30px;
        }

        .article-card {
            background: white;
            border-radius: 12px;
            padding: 25px;
            border: 1px solid var(--gray);
            transition: var(--transition);
        }

        .article-card:hover {
            box-shadow: var(--shadow-purple);
            border-color: var(--primary-light);
        }

        .article-card h4 {
            font-size: 16px;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-card h4 a {
            color: var(--text-dark);
            text-decoration: none;
            transition: var(--transition);
        }

        .article-card h4 a:hover {
            color: var(--primary);
        }

        .article-meta {
            font-size: 12px;
            color: var(--text-light);
        }

        /* 页脚 */
        footer {
            background-color: #111827;
            color: #9CA3AF;
            padding: 60px 0 30px 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

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

        .footer-col h5 {
            color: white;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .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: white;
        }

        .friend-links {
            border-top: 1px solid #374151;
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

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

        .friend-links a:hover {
            color: white;
        }

        .copyright-bar {
            border-top: 1px solid #374151;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
        }

        /* 浮动客服 */
        .float-service {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .service-item-btn:hover {
            background: var(--primary);
            color: white !important;
        }

        .service-item-btn svg {
            width: 24px;
            height: 24px;
        }

        .qr-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: white;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 140px;
        }

        .qr-popover img {
            width: 110px;
            height: 110px;
            margin-bottom: 5px;
        }

        .qr-popover p {
            font-size: 11px;
            color: var(--text-dark);
            margin: 0;
        }

        .service-item-btn:hover .qr-popover {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .hero-inner {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-cta, .hero-features {
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 20px;
            }
            .about-wrap, .solutions-wrap, .contact-wrap {
                grid-template-columns: 1fr;
            }
            .services-grid, .token-grid, .training-grid, .case-grid, .reviews-grid, .articles-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .onestop-grid, .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: white;
                flex-direction: column;
                padding: 20px;
                border-top: 1px solid var(--gray);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .stats-grid, .services-grid, .onestop-grid, .token-grid, .training-grid, .case-grid, .reviews-grid, .articles-list, .steps-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .rating-box {
                flex-direction: column;
                gap: 20px;
            }
        }