/* 缤纷糖果亮色风 核心配色与基础样式 */
        :root {
            --primary: #ff6b9d; /* 糖果粉 */
            --secondary: #4ea8de; /* 冰晶蓝 */
            --accent: #ffb703; /* 活力橙黄 */
            --success: #70e000; /* 薄荷绿 */
            --background: #fbf9ff; /* 奶油粉白底色 */
            --text-dark: #2b2d42; /* 深蓝灰高对比文字 */
            --text-light: #6c757d; 
            --white: #ffffff;
            --candy-gradient: linear-gradient(135deg, #ff9a9e 0%, #fecfef 99%, #fecfef 100%);
            --blue-gradient: linear-gradient(135deg, #a1c4fd 0%, #c2e9fb 100%);
            --yellow-gradient: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
            --green-gradient: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%);
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-dark);
            background-color: var(--background);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
            position: relative;
        }

        h1, h2, h3, h4 {
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.3;
        }

        h2 {
            font-size: 2.2rem;
            text-align: center;
            margin-bottom: 50px;
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 20%;
            width: 60%;
            height: 6px;
            background: var(--candy-gradient);
            border-radius: 3px;
        }

        p {
            color: var(--text-light);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        /* 缤纷糖果按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            box-shadow: 0 8px 15px rgba(255, 107, 157, 0.2);
            text-align: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, #ff758c 0%, #ff7eb3 100%);
            color: var(--white);
        }

        .btn-primary:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 12px 20px rgba(255, 107, 157, 0.35);
        }

        .btn-secondary {
            background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            color: var(--white);
            box-shadow: 0 8px 15px rgba(79, 172, 254, 0.2);
        }

        .btn-secondary:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 12px 20px rgba(79, 172, 254, 0.35);
        }

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 4px solid #fecfef;
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

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

        .ai-page-logo {
            max-height: 48px;
            width: auto;
            border-radius: 8px;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 900;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-item a {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-dark);
            padding: 8px 12px;
            border-radius: 20px;
        }

        .nav-item a:hover {
            background-color: #ffeef4;
            color: var(--primary);
        }

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

        .mobile-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 3px;
            transition: 0.3s;
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero {
            background: radial-gradient(circle at 10% 20%, rgba(255, 200, 220, 0.4) 0%, rgba(200, 225, 255, 0.4) 90%);
            padding: 100px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 182, 193, 0.6) 0%, rgba(255,255,255,0) 70%);
            border-radius: 50%;
            filter: blur(20px);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -10%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(135, 206, 250, 0.5) 0%, rgba(255,255,255,0) 70%);
            border-radius: 50%;
            filter: blur(30px);
            z-index: 1;
        }

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

        .hero-tag {
            display: inline-block;
            background: #ffe5ec;
            color: var(--primary);
            padding: 6px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 800;
            margin-bottom: 25px;
            border: 2px solid #ffb3c6;
            transform: rotate(-1deg);
            animation: bounce 2s infinite alternate;
        }

        @keyframes bounce {
            0% { transform: translateY(0) rotate(-1deg); }
            100% { transform: translateY(-5px) rotate(1deg); }
        }

        .hero h1 {
            font-size: 2.8rem;
            margin-bottom: 25px;
            background: linear-gradient(135deg, #ff4081 0%, #00bcd4 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.05);
        }

        .hero p.lead {
            font-size: 1.25rem;
            color: #4a5568;
            margin-bottom: 40px;
            font-weight: 500;
            line-height: 1.8;
        }

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

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 60px;
        }

        .stat-card {
            background: var(--white);
            border-radius: 20px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: 0 10px 25px rgba(0,0,0,0.03);
            border: 3px solid #f0f3f8;
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-8px);
            border-color: #ffd6e8;
            box-shadow: 0 15px 30px rgba(255, 107, 157, 0.1);
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 10px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-dark);
        }

        /* 关于我们与软件介绍 */
        .about-section {
            background-color: var(--white);
        }

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

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

        .about-text p {
            margin-bottom: 20px;
            font-size: 1.05rem;
            line-height: 1.8;
            color: #4a5568;
        }

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

        .about-features li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 15px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .about-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: -2px;
            width: 22px;
            height: 22px;
            background-color: #d8f3dc;
            color: #2b9348;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 900;
        }

        .about-visual {
            background: var(--candy-gradient);
            border-radius: 30px;
            padding: 40px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
            border: 4px solid #fff;
        }

        .software-box {
            background: rgba(255, 255, 255, 0.9);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.02);
        }

        .software-title {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--primary);
            border-bottom: 2px dashed #ffd6e8;
            padding-bottom: 10px;
        }

        /* 服务体系 (支持多平台与主打场景) */
        .services-section {
            background-color: #f7f9fc;
        }

        .platform-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 50px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        .platform-tag {
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 700;
            background: var(--white);
            border: 2px solid #e2e8f0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            transition: all 0.2s;
        }

        .platform-tag:hover {
            border-color: var(--primary);
            background-color: #ffeef4;
            transform: scale(1.05);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            border-radius: 24px;
            padding: 35px;
            border: 3px solid transparent;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 8px;
        }

        .sc-pink::before { background: var(--candy-gradient); }
        .sc-blue::before { background: var(--blue-gradient); }
        .sc-yellow::before { background: var(--yellow-gradient); }
        .sc-green::before { background: var(--green-gradient); }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.08);
            border-color: #e2e8f0;
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            font-size: 1.8rem;
        }

        .sc-pink .service-icon { background-color: #ffe5ec; color: #ff3366; }
        .sc-blue .service-icon { background-color: #e0f2fe; color: #0284c7; }
        .sc-yellow .service-icon { background-color: #fef3c7; color: #d97706; }
        .sc-green .service-icon { background-color: #dcfce7; color: #16a34a; }

        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .service-card p {
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* 制作流程 & 标准 */
        .flow-section {
            background-color: var(--white);
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .flow-step {
            text-align: center;
            position: relative;
            background: #fff8fb;
            border-radius: 20px;
            padding: 30px 20px;
            border: 2px solid #ffe5ec;
        }

        .step-num {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--candy-gradient);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            margin: 0 auto 20px;
            box-shadow: 0 4px 10px rgba(255, 107, 157, 0.3);
        }

        .flow-step h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .flow-step p {
            font-size: 0.88rem;
        }

        .standard-box {
            margin-top: 50px;
            background: #f0f7ff;
            border-radius: 24px;
            padding: 40px;
            border: 2px dashed var(--secondary);
        }

        .standard-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 25px;
        }

        .standard-item h4 {
            color: var(--secondary);
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        /* 全行业解决方案 & 服务网络 */
        .solutions-section {
            background-color: #f7f9fc;
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background: var(--white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.02);
            transition: all 0.3s;
            border: 3px solid #f0f3f8;
        }

        .solution-card:hover {
            transform: translateY(-5px);
            border-color: #c2e9fb;
            box-shadow: 0 12px 25px rgba(79, 172, 254, 0.15);
        }

        .solution-info {
            padding: 30px;
        }

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

        .solution-tag {
            display: inline-block;
            background-color: #e0f2fe;
            color: #0369a1;
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        /* 案例展示（带特定图片） */
        .cases-section {
            background-color: var(--white);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .case-card {
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0,0,0,0.03);
            border: 4px solid #fff2f6;
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: scale(1.02);
            box-shadow: 0 20px 40px rgba(255, 107, 157, 0.08);
        }

        .case-img-container {
            width: 100%;
            height: 260px;
            overflow: hidden;
            background: #f7f9fc;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .case-card:hover .case-img-container img {
            transform: scale(1.08);
        }

        .case-content {
            padding: 25px;
        }

        .case-content h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        /* 对比评测与Token比价 */
        .compare-section {
            background: #fff0f5;
        }

        .compare-box {
            background: var(--white);
            border-radius: 30px;
            padding: 45px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.04);
            border: 4px solid #ffd6e8;
        }

        .rating-banner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: var(--candy-gradient);
            padding: 20px 40px;
            border-radius: 20px;
            color: var(--text-dark);
            margin-bottom: 35px;
        }

        .rating-info h3 {
            font-size: 1.4rem;
            color: var(--text-dark);
        }

        .rating-stars {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .stars {
            color: #ffb703;
            font-size: 1.8rem;
        }

        .score {
            font-size: 2.2rem;
            font-weight: 900;
            color: #d90429;
            background: #fff;
            padding: 5px 15px;
            border-radius: 12px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }

        .compare-table-wrapper {
            overflow-x: auto;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 2px solid #f0f3f8;
        }

        .compare-table th {
            background-color: #f7f9fc;
            font-weight: 800;
        }

        .compare-table tr:hover {
            background-color: #fff9fb;
        }

        .highlight-td {
            font-weight: 700;
            color: var(--primary);
            background-color: #fff0f5;
        }

        /* Token 比价 */
        .token-pricing {
            margin-top: 50px;
        }

        /* 职业培训与人工智能证书 */
        .training-section {
            background-color: var(--white);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background: #fff8fa;
            border-radius: 20px;
            padding: 25px 20px;
            text-align: center;
            border: 2px solid #ffe5ec;
            transition: all 0.3s;
        }

        .training-card:hover {
            transform: translateY(-8px);
            background-color: #fff;
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(255, 107, 157, 0.12);
        }

        .training-icon {
            width: 50px;
            height: 50px;
            background: var(--candy-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            margin: 0 auto 15px;
        }

        .training-card h3 {
            font-size: 1rem;
            margin-bottom: 8px;
        }

        .training-card p {
            font-size: 0.8rem;
        }

        /* 客户评论 */
        .reviews-section {
            background-color: #f7f9fc;
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background: var(--white);
            border-radius: 24px;
            padding: 30px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.02);
            border: 3px solid #f0f3f8;
            position: relative;
        }

        .review-card::before {
            content: '“';
            position: absolute;
            top: 15px;
            left: 20px;
            font-size: 4rem;
            color: #fecfef;
            font-family: serif;
            line-height: 1;
        }

        .review-content {
            position: relative;
            z-index: 2;
            font-size: 0.95rem;
            color: #4a5568;
            margin-bottom: 20px;
            line-height: 1.7;
        }

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

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--blue-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #0369a1;
            font-size: 1rem;
        }

        .user-info h4 {
            font-size: 0.95rem;
        }

        .user-info p {
            font-size: 0.8rem;
        }

        /* 帮助中心 & FAQ */
        .faq-section {
            background-color: var(--white);
        }

        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: #fff8fb;
            border: 2px solid #ffe5ec;
            border-radius: 16px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 8px 20px rgba(255, 107, 157, 0.05);
        }

        .faq-header {
            padding: 20px 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-dark);
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            background: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid #ffe5ec;
            transition: all 0.3s;
            font-weight: 800;
            font-size: 0.85rem;
            color: var(--primary);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-answer {
            padding: 0 25px 20px;
            color: #4a5568;
            font-size: 0.95rem;
            line-height: 1.7;
            border-top: 1px dashed #ffe5ec;
            padding-top: 15px;
        }

        /* 常见问题自助排查 & 术语百科 */
        .self-check-box {
            margin-top: 50px;
            background: #f7f9fc;
            border-radius: 24px;
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .self-check-box h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--secondary);
        }

        .trouble-list, .glossary-list {
            list-style: none;
        }

        .trouble-list li, .glossary-list li {
            margin-bottom: 15px;
            padding-left: 20px;
            position: relative;
        }

        .trouble-list li::before, .glossary-list li::before {
            content: '•';
            color: var(--primary);
            font-size: 1.5rem;
            position: absolute;
            left: 0;
            top: -6px;
        }

        .trouble-list strong, .glossary-list strong {
            color: var(--text-dark);
            display: block;
            font-size: 0.95rem;
        }

        .trouble-list span, .glossary-list span {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        /* 行业资讯 / 知识库 */
        .articles-section {
            background-color: #f7f9fc;
        }

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

        .article-card {
            background: var(--white);
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.02);
            border: 2px solid #e2e8f0;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s;
        }

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

        .article-card h3 {
            font-size: 1.15rem;
            margin-bottom: 15px;
            line-height: 1.5;
        }

        .article-card a {
            color: var(--secondary);
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        /* 联系我们 & 智能表单 */
        .contact-section {
            background-color: var(--white);
        }

        .contact-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-container {
            background: #fff8fb;
            border-radius: 30px;
            padding: 40px;
            border: 3px solid #fecfef;
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

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

        .form-group-full {
            grid-column: span 2;
        }

        .form-group label {
            display: block;
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 0.9rem;
        }

        .form-group input, .form-group select, .form-group textarea {
            width: 100%;
            padding: 12px 18px;
            border-radius: 12px;
            border: 2px solid #e2e8f0;
            background-color: #fff;
            font-family: inherit;
            font-size: 0.95rem;
            color: var(--text-dark);
            transition: all 0.3s;
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(255, 107, 157, 0.15);
        }

        .form-container button {
            width: 100%;
            padding: 15px;
            margin-top: 10px;
        }

        .contact-info-box {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .qrcode-card {
            background: #f0f7ff;
            border-radius: 24px;
            padding: 30px;
            border: 2px solid #c2e9fb;
            text-align: center;
            margin-bottom: 30px;
        }

        .qrcode-container {
            width: 150px;
            height: 150px;
            margin: 0 auto 20px;
            background: #fff;
            padding: 10px;
            border-radius: 12px;
            box-shadow: 0 8px 15px rgba(0,0,0,0.05);
        }

        .qrcode-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

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

        .info-details li {
            margin-bottom: 15px;
            font-weight: 700;
            font-size: 0.95rem;
        }

        .info-details span {
            color: var(--text-light);
            font-weight: 500;
            margin-left: 5px;
        }

        /* 友情链接与页脚 */
        footer {
            background-color: #1e293b;
            color: #f1f5f9;
            padding: 50px 0 30px;
            border-top: 6px solid var(--primary);
        }

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

        .footer-about h4, .footer-links h4 {
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-about h4::after, .footer-links h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background-color: var(--primary);
        }

        .footer-about p {
            color: #94a3b8;
            font-size: 0.9rem;
            margin-bottom: 15px;
            line-height: 1.7;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
        }

        .friend-links a {
            color: #94a3b8;
            font-size: 0.9rem;
        }

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

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 25px;
            text-align: center;
            font-size: 0.85rem;
            color: #64748b;
        }

        /* 侧边悬浮浮窗 */
        .floating-service {
            position: fixed;
            right: 25px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 55px;
            height: 55px;
            background: var(--white);
            border-radius: 50%;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            cursor: pointer;
            transition: all 0.3s;
            border: 2px solid #fecfef;
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            background: var(--candy-gradient);
            color: #fff;
        }

        .float-qrcode-pop {
            position: absolute;
            right: 70px;
            bottom: 0;
            width: 160px;
            background: #fff;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            border: 2px solid #fecfef;
            display: none;
            text-align: center;
        }

        .float-qrcode-pop img {
            width: 100%;
            height: auto;
            border-radius: 6px;
        }

        .float-qrcode-pop span {
            font-size: 0.8rem;
            color: var(--text-dark);
            margin-top: 5px;
            display: block;
            font-weight: 700;
        }

        .float-btn-kefu:hover .float-qrcode-pop {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .solutions-grid, .training-grid, .reviews-grid, .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-wrapper, .contact-wrapper {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: #fff;
                border-bottom: 4px solid #fecfef;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .stats-grid, .services-grid, .flow-steps, .solutions-grid, .cases-grid, .training-grid, .reviews-grid, .self-check-box, .articles-grid, .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }