/* 艳红热烈风 CSS 主题定义 */
        :root {
            --primary: #E60027; /* 艳红主色 */
            --primary-hover: #C2001F;
            --primary-light: #FFF5F6;
            --secondary: #FF4D6D; /* 珊瑚红辅助色 */
            --accent: #FFB3C1;
            --dark: #2B2D42; /* 深正文色 */
            --light-gray: #F8F9FA;
            --white: #FFFFFF;
            --border-color: #EAEAEA;
            --shadow-sm: 0 2px 8px rgba(230, 0, 39, 0.05);
            --shadow-md: 0 8px 24px rgba(230, 0, 39, 0.08);
            --shadow-lg: 0 16px 40px rgba(230, 0, 39, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        /* 基础样式重置 */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--dark);
            background-color: var(--white);
            line-height: 1.6;
        }
        body {
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-hover);
        }
        ul, ol {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 通用全局容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 渐入动效类 */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeInUp 0.8s forwards;
        }
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-box {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-box img {
            height: 40px;
            width: auto;
        }
        .logo-title {
            font-weight: 800;
            font-size: 20px;
            color: var(--primary);
            letter-spacing: 0.5px;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            align-items: center;
        }
        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--dark);
            padding: 5px 10px;
            position: relative;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
            transform: translateX(-50%);
        }
        .nav-link:hover::after {
            width: 80%;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-btn {
            background-color: var(--primary);
            color: var(--white) !important;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(230, 0, 39, 0.2);
        }
        .nav-btn:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(230, 0, 39, 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(--dark);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* Hero首屏 - 严禁出现图片资源 */
        .hero {
            padding: 160px 0 100px;
            background: linear-gradient(135deg, #FFF0F2 0%, #FFFDFD 50%, #FFF5F6 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        /* 科技感几何元素装饰 - 纯CSS */
        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 0, 39, 0.05) 0%, transparent 70%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -5%;
            right: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 0, 39, 0.04) 0%, transparent 70%);
            z-index: 1;
        }
        .hero-badge {
            display: inline-block;
            background-color: rgba(230, 0, 39, 0.08);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 24px;
            letter-spacing: 1px;
            border: 1px solid rgba(230, 0, 39, 0.15);
        }
        .hero h1 {
            font-size: 40px;
            font-weight: 900;
            color: var(--dark);
            line-height: 1.3;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 span {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 18px;
            color: #666;
            max-width: 800px;
            margin: 0 auto 35px;
        }
        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }
        .btn-main {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: var(--white);
            font-weight: 700;
            font-size: 16px;
            padding: 14px 36px;
            border-radius: 50px;
            box-shadow: 0 10px 20px rgba(230, 0, 39, 0.25);
            transition: var(--transition);
        }
        .btn-main:hover {
            color: var(--white);
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(230, 0, 39, 0.35);
        }
        .btn-sub {
            background-color: var(--white);
            color: var(--dark);
            font-weight: 700;
            font-size: 16px;
            padding: 14px 36px;
            border-radius: 50px;
            border: 2px solid var(--border-color);
            transition: var(--transition);
        }
        .btn-sub:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
        }

        /* 数据指标卡片 */
        .stats-section {
            background-color: var(--white);
            padding: 40px 0;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: var(--white);
            padding: 30px;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(230, 0, 39, 0.05);
        }
        .stat-card {
            text-align: center;
            border-right: 1px solid var(--border-color);
        }
        .stat-card:last-child {
            border-right: none;
        }
        .stat-card h3 {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }
        .stat-card p {
            font-size: 14px;
            color: #666;
            font-weight: 500;
        }

        /* 通用标题 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header .tag {
            color: var(--primary);
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            display: block;
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background-color: var(--primary);
            border-radius: 2px;
        }
        .section-header p {
            color: #666;
            margin-top: 15px;
            font-size: 16px;
        }

        /* 版块通配样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .bg-light {
            background-color: var(--light-gray);
        }

        /* 关于我们与平台介绍 */
        .about-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-content h3 {
            font-size: 24px;
            margin-bottom: 15px;
            color: var(--dark);
        }
        .about-content p {
            color: #555;
            margin-bottom: 20px;
            font-size: 15px;
            line-height: 1.8;
        }
        .feature-bullets {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 25px;
        }
        .bullet-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            color: var(--dark);
        }
        .bullet-item i {
            color: var(--primary);
            font-weight: bold;
        }

        /* 全平台AIGC服务与一站式制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            padding: 35px 25px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background-color: transparent;
            transition: var(--transition);
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(230, 0, 39, 0.15);
        }
        .service-card:hover::before {
            background-color: var(--primary);
        }
        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary);
            font-size: 24px;
            font-weight: bold;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }
        .service-card p {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        /* 标签云组件 */
        .tags-container {
            margin-top: 40px;
            text-align: center;
        }
        .tags-title {
            font-size: 14px;
            font-weight: 700;
            color: #888;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            max-width: 900px;
            margin: 0 auto;
        }
        .tag-pill {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            color: var(--dark);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
        }
        .tag-pill:hover {
            background-color: var(--primary);
            color: var(--white);
            border-color: var(--primary);
            transform: scale(1.05);
        }

        /* 流程步骤与技术标准 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .step-card {
            background-color: var(--white);
            padding: 30px 20px;
            border-radius: 10px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            position: relative;
        }
        .step-num {
            width: 35px;
            height: 35px;
            background-color: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 15px;
        }
        .step-card h4 {
            font-size: 16px;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .step-card p {
            font-size: 13px;
            color: #666;
        }

        /* 对比评测表格 */
        .table-responsive {
            overflow-x: auto;
            border-radius: 12px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            background-color: var(--white);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }
        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .comparison-table th {
            background-color: var(--light-gray);
            font-weight: 700;
            color: var(--dark);
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table .highlight-row {
            background-color: rgba(230, 0, 39, 0.02);
            font-weight: bold;
        }
        .comparison-table .highlight-row td {
            color: var(--primary);
        }
        .rating-badge {
            background-color: #FFC107;
            color: #000;
            padding: 4px 8px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
        }

        /* Token比价与价格参考 */
        .price-section {
            background-color: var(--white);
        }
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .price-card {
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            background-color: var(--white);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .price-card.popular {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .price-card.popular::after {
            content: '最佳性价比';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--primary);
            color: var(--white);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.5px;
        }
        .price-card h3 {
            font-size: 20px;
            margin-bottom: 15px;
            color: var(--dark);
        }
        .price-amount {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .price-amount span {
            font-size: 14px;
            font-weight: 400;
            color: #666;
        }
        .price-list {
            margin-bottom: 25px;
            text-align: left;
        }
        .price-list li {
            margin-bottom: 10px;
            font-size: 14px;
            color: #555;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .price-list li::before {
            content: '✓';
            color: #2ec4b6;
            font-weight: bold;
        }

        /* 案例展示区 - 包含宣传图与多媒体图 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .case-card {
            background-color: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .case-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: #eee;
        }
        .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-content {
            padding: 20px;
        }
        .case-tag {
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 10px;
        }
        .case-content h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .case-content p {
            font-size: 13px;
            color: #666;
        }

        /* 客户评论卡片 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .comment-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .comment-text {
            font-size: 14px;
            color: #555;
            line-height: 1.7;
            margin-bottom: 20px;
            font-style: italic;
        }
        .comment-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }
        .author-info h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
        }
        .author-info p {
            font-size: 12px;
            color: #888;
        }

        /* 智能需求匹配与表单 */
        .form-section {
            background: linear-gradient(135deg, #FFF0F2 0%, #FFFFFF 100%);
        }
        .form-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: flex-start;
        }
        .form-info h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .form-info p {
            color: #555;
            margin-bottom: 30px;
            font-size: 15px;
        }
        .form-box {
            background-color: var(--white);
            padding: 40px;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 0, 39, 0.1);
        }
        .form-btn {
            width: 100%;
            background-color: var(--primary);
            color: var(--white);
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }
        .form-btn:hover {
            background-color: var(--primary-hover);
        }

        /* 帮助中心 & FAQ折叠面板 */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-header {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            font-weight: 700;
            font-size: 15px;
            color: var(--dark);
        }
        .faq-header span {
            transition: var(--transition);
        }
        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--light-gray);
        }
        .faq-content {
            padding: 20px 24px;
            font-size: 14px;
            color: #555;
            line-height: 1.7;
        }
        .faq-item.active {
            border-color: var(--primary);
        }
        .faq-item.active .faq-header {
            color: var(--primary);
        }
        .faq-item.active .faq-header span {
            transform: rotate(45deg);
        }

        /* 自助排查与术语百科 */
        .qa-tools {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 50px;
        }
        .qa-card {
            background-color: var(--white);
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .qa-card h3 {
            font-size: 18px;
            margin-bottom: 15px;
            color: var(--dark);
        }
        .qa-card dl dt {
            font-weight: 700;
            font-size: 14px;
            color: var(--primary);
            margin-top: 10px;
        }
        .qa-card dl dd {
            font-size: 13px;
            color: #666;
            margin-bottom: 10px;
            padding-left: 10px;
            border-left: 2px solid var(--border-color);
        }

        /* 资讯库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .news-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }
        .news-content {
            padding: 25px;
        }
        .news-date {
            font-size: 12px;
            color: #888;
            margin-bottom: 10px;
        }
        .news-content h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .news-content h3 a {
            color: var(--dark);
        }
        .news-content h3 a:hover {
            color: var(--primary);
        }
        .news-desc {
            font-size: 13px;
            color: #666;
        }

        /* 浮动客服入口与二维码区 */
        .float-contact {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 16px rgba(230, 0, 39, 0.3);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }
        .float-item:hover {
            background-color: var(--primary-hover);
            transform: translateY(-3px);
        }
        .float-item svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }
        .qr-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--white);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            box-shadow: var(--shadow-lg);
            display: none;
            text-align: center;
            width: 160px;
        }
        .qr-popover img {
            width: 130px;
            height: 130px;
            margin-bottom: 8px;
        }
        .qr-popover p {
            font-size: 12px;
            color: var(--dark);
            font-weight: 600;
        }
        .float-item:hover .qr-popover {
            display: block;
        }

        /* 底部页脚 */
        footer {
            background-color: var(--dark);
            color: #B0B3C1;
            padding: 60px 0 30px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            color: #B0B3C1;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }
        .footer-contacts p {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-qr {
            display: flex;
            gap: 20px;
            align-items: center;
        }
        .footer-qr-item {
            text-align: center;
        }
        .footer-qr-item img {
            width: 80px;
            height: 80px;
            border-radius: 4px;
            margin-bottom: 5px;
            background: #fff;
            padding: 2px;
        }
        .footer-qr-item p {
            font-size: 11px;
            color: #888;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .footer-friendly {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .footer-friendly a {
            color: #888;
            font-size: 13px;
        }
        .footer-friendly a:hover {
            color: var(--primary);
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-card {
                border-right: none;
                padding: 15px 0;
            }
            .stat-card:nth-child(even) {
                border-left: 1px solid var(--border-color);
            }
            .about-wrap, .form-wrap {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .services-grid, .comments-grid, .price-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                flex-direction: column;
                padding: 20px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--border-color);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero {
                padding: 120px 0 60px;
            }
            .hero h1 {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .services-grid, .comments-grid, .price-grid, .news-grid, .case-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .qa-tools {
                grid-template-columns: 1fr;
            }
        }