/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 基础样式 */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #f5f5f7;
    color: #1d1d1f;
    line-height: 1.6;
    padding: 15px;
    font-size: 16px;
}

/* 容器样式 */
.container {
    max-width: 1000px;
    margin: 0 auto 80px;
    background-color: white;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.08);
}

/* 顶部导航栏 */
.header {
    background-color: white;
    border-bottom: 1px solid #e0e0e0;
    padding: 15px 20px;
    margin-bottom: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-top-row {
    display: flex;
    align-items: center;
    gap: 25px;
}

.logo {
    font-size: 20px;
    font-weight: 600;
    color: #1d1d1f;
    text-decoration: none;
    transition: opacity 0.2s;
}

.logo:hover {
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 25px;
    list-style: none;
}

.nav-links a {
    color: #1d1d1f;
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    transition: all 0.2s;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
}

.nav-links a:hover {
    color: #0071e3;
    border-bottom-color: #0071e3;
}

/* 搜索框样式 */
.search-container {
    display: flex;
    align-items: center;
    background-color: #f5f5f7;
    border-radius: 20px;
    padding: 5px 15px;
    gap: 10px;
    transition: all 0.2s;
}

.search-container:focus-within {
    background-color: white;
    box-shadow: 0 0 0 2px rgba(0, 113, 227, 0.2);
}

.search-input {
    border: none;
    background: transparent;
    outline: none;
    font-size: 14px;
    color: #1d1d1f;
    width: 200px;
}

.search-btn {
    background-color: #0071e3;
    color: white;
    border: none;
    border-radius: 15px;
    padding: 8px 15px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.search-btn:hover {
    background-color: #0056b3;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 113, 227, 0.3);
}

/* 标题样式 */
h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1d1d1f;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.standard-english-name {
    font-size: 16px;
    color: #6e6e73;
    margin-bottom: 20px;
    font-style: italic;
    line-height: 1.5;
}

/* 标准基本信息 */
.breadcrumb {
    margin-bottom: 15px;
    font-size: 14px;
	color: #6e6e73;
}

.breadcrumb a {
    color: #0071e3;
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: #0056b3;
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 8px;
    color: #c7c7cc;
}

.standard-info {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 25px;
    font-size: 16px;
}

.standard-code {
    background-color: #f0f0f0;
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 500;
    color: #0071e3;
    transition: all 0.2s;
}

.standard-code:hover {
    background-color: rgba(0, 113, 227, 0.1);
}

.standard-category {
    color: #6e6e73;
    font-weight: 400;
}

.standard-status {
    color: #34c759;
    font-weight: 500;
}

/* 筛选链接样式 */
.filter-link {
    display: inline-block;
    padding: 6px 12px;
    background-color: white;
    color: #1d1d1f;
    text-decoration: none;
	border-radius: 15px;
    font-size: 14px;
    transition: all 0.2s;
    border: 1px solid #e0e0e0;
}

.filter-link:hover {
    background-color: #0071e3;
    color: white;
    border-color: #0071e3;
    transform: translateY(-1px);
}

/* 列表页面专用样式 */
.filter-section {
    background-color: #f5f5f7;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 25px;
}

.filter-section h2 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1d1d1f;
}

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

.filter-group h3 {
    font-size: 14px;
    font-weight: 600;
    color: #6e6e73;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

/* 表格样式 */
.standards-table {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    margin-bottom: 25px;
}

.standards-table th,
.standards-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}

.standards-table th {
    background-color: #f5f5f7;
    font-weight: 700;
    font-size: 14px;
    color: #6e6e73;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.standards-table td {
    font-size: 14px;
    color: #1d1d1f;
}

/* 标准名称列文字截断 */
.standards-table td:nth-child(2) {
    max-width: 400px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.standards-table tr:hover {
    background-color: rgba(0, 113, 227, 0.05);
}

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

/* 小屏幕表格响应式设计 */
@media (max-width: 768px) {
    .standards-table th:nth-child(n+3),
    .standards-table td:nth-child(n+3) {
        display: none;
    }
    
    .filter-section {
        padding: 20px;
    }
    
    .filter-options {
        gap: 10px;
    }
    
    .standards-table {
        overflow-x: hidden;
        display: table;
        width: 100% !important;
        min-width: 0 !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }
    
    .standards-table th,
    .standards-table td {
        padding: 12px 8px;
        font-size: 13px;
        box-sizing: border-box;
    }
    
    /* 小屏幕标准列宽度设置 */
    .standards-table th:nth-child(1),
    .standards-table td:nth-child(1) {
        width: 30% !important;
        min-width: 0 !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    
    /* 小屏幕标准名称列文字截断 */
    .standards-table th:nth-child(2),
    .standards-table td:nth-child(2) {
        width: 70% !important;
        min-width: 0 !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
}

/* Pagination styles */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin: 30px 0;
}

.pagination button {
    background-color: white;
    color: #1d1d1f;
    border: 1px solid #e0e0e0;
    border-radius: 15px;
    padding: 8px 12px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.pagination button:hover {
    background-color: #f5f5f7;
}

.pagination .active {
    background-color: #0071e3;
    color: white;
    border-color: #0071e3;
}

.pagination .active:hover {
    background-color: #0056b3;
}

.pagination .ellipsis {
    border: none;
    background: transparent;
    cursor: default;
}

.pagination .ellipsis:hover {
    background: transparent;
}

@media (max-width: 768px) {
    .pagination {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .pagination button {
        padding: 6px 10px;
        font-size: 13px;
    }
}

/* 下载按钮样式 */
.download-section {
    position: fixed;
    bottom: 20px;
    right: 20px;
    max-width: 250px;
    width: auto;
    z-index: 100;
    max-width: calc(100% - 40px);
}

.download-btn {
    background-color: #0071e3;
    color: white;
    border: none;
    border-radius: 22px;
    padding: 14px 25px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 100%;
    box-shadow: 0 4px 15px rgba(0, 113, 227, 0.3);
}

.download-btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 113, 227, 0.4);
}

.download-btn:active {
    transform: translateY(0);
}

/* 遮罩层样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background-color: white;
    margin: 15% auto;
    padding: 40px;
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateY(30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1d1d1f;
    letter-spacing: -0.5px;
}

.modal p {
    font-size: 16px;
    color: #6e6e73;
    margin-bottom: 20px;
    line-height: 1.7;
}

/* 二维码容器样式 */
.qrcode-container {
    margin: 15px 0 25px;
    padding: 15px;
}
.qrcode-img {
    width: 200px;
    height: 200px;
    object-fit: contain;
    border-radius: 8px;
}

/* ============ 核心新增：SVG图标写入CSS 外部引入 开始 ============ */
.modal-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 10px;
}
/* 按钮统一样式 */
.modal-btn {
    padding: 10px 28px;
    border: none;
	border-radius: 20px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 90px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
/* 图标统一基础样式 */
.modal-btn.wx-pay:before,
.modal-btn.ali-pay:before {
    content: "";
    width: 16px;
    height: 16px;
    margin-right: 6px;
    background-size: 100% 100%;
    background-repeat: no-repeat;
    background-position: center center;
}
/* 微信支付按钮 + 内置你提供的绿色微信SVG图标 */
.modal-btn.wx-pay {
    background-color: #34c759;
    color: #ffffff;
    box-shadow: 0 2px 10px rgba(52, 199, 89, 0.3);
}
.modal-btn.wx-pay:before {
    /* 核心修复2：优化SVG DataURL，转义所有特殊字符，兼容所有浏览器 */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1024 1024'%3E%3Cpath d='M964.949 290.702L377.856 629.76l-3.527 2.389c-4.665 2.389-9.444 3.527-15.36 3.527-12.971 0-23.666-7.054-29.582-17.749l-2.389-4.665-93.298-203.321c-1.138-2.389-1.138-4.665-1.138-7.054 0-9.444 7.054-16.612 16.612-16.612 3.527 0 7.054 1.138 10.581 3.527l109.909 78.052c8.192 4.665 17.749 8.192 28.331 8.192 5.916 0 11.719-1.138 17.749-3.527l515.186-229.262C838.77 134.713 686.421 63.716 513.82 63.716 232.676 63.716 3.413 254.066 3.413 489.131c0 127.545 68.494 243.371 176.014 321.422 8.192 5.916 14.108 16.612 14.108 27.193 0 3.527-1.138 7.054-2.389 10.581-8.192 31.858-22.528 83.968-22.528 86.244-1.138 3.527-2.389 8.192-2.389 12.971 0 9.444 7.054 16.612 16.612 16.612 3.527 0 7.054-1.138 9.444-3.527l111.047-64.967c8.192-4.665 17.749-8.192 27.193-8.192 4.665 0 10.581 1.138 15.36 2.389 51.996 15.36 108.772 23.666 166.684 23.666 261.129 0 490.391-190.35 490.391-425.291 0-70.997-21.276-138.24-57.913-197.404z' fill='%23FFFFFF'/%3E%3C/svg%3E");
}
.modal-btn.wx-pay:hover {
    background-color: #28a745;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(52, 199, 89, 0.4);
}
/* 支付宝支付按钮 + 内置你提供的蓝色支付宝SVG图标 */
.modal-btn.ali-pay {
    background-color: #007aff;
    color: #ffffff;
    box-shadow: 0 2px 10px rgba(0, 122, 255, 0.3);
}
.modal-btn.ali-pay:before {
    /* 核心修复2：优化SVG DataURL，转义所有特殊字符，兼容所有浏览器 */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1024 1024'%3E%3Cpath d='M561.911 1024h-99.724c-13.037-2.286-26.05-4.67-39.111-6.859-201.881-34.052-368.372-193.247-411.059-393.498-4.865-22.839-8.051-46.044-12.016-69.077v-85.131q3.454-21.38 6.932-42.76c32.374-202.392 192.152-371.267 392.379-414.392 22.839-4.062 46.418-7.297 69.483-10.337h85.131c14.594 2.432 29.382 4.621 44.073 7.005 202.197 32.958 369.71 191.374 413.492 391.042 4.621 21.21 7.978 42.711 11.943 64.091v99.724c-2.432 14.594-4.354 29.48-7.54 43.976-5.181 23.52-11.213 46.822-17.026 70.877-105.489-26.755-204.849-63.24-304.768-100.673 36.485-65.015 63.41-131.928 80.266-204.63h-190.717v-67.545h232.236v-39.598h-233.501V149.489c-33.444 0-65.794-0.438-98.119 0.243-11.335 0.219-15.372 8.756-15.348 19.458v82.698c0 4.257-0.365 8.489-0.584 13.548H232.893v39.209h235.933v67.886h-194.584v38.917h377.858a16.661 16.661 0 0 1 0 3.235 588.423 588.423 0 0 1-50.568 123.731c-1.07 1.97-6.859 3.113-9.729 2.214-71.437-22.45-143.165-43.49-217.789-52.757-43.246-5.351-86.031-5.862-128.45 6.543-85.568 25.028-139.833 97.292-131.344 181.79 4.719 47.211 25.636 84.96 64.334 112.859 52.611 37.944 112.348 48.111 174.931 42.2 76.034-7.297 142.557-38.917 200.543-87.758 28.628-24.128 54.703-51.273 81.969-77.104 98.922 43.538 199.789 87.903 300.608 132.22a10.337 10.337 0 0 1-0.657 2.724c-1.484 2.432-3.04 4.865-4.694 7.078-75.961 104.954-176.585 173.302-302.749 203.365-21.964 5.156-44.39 8.173-66.596 12.21z' fill='%23FFFFFF'/%3E%3Cpath d='M548.849 621.721c-54.386 67.423-115.486 122.783-201.541 140.271-57.038 11.602-113.394 6.543-160.994-31.279-62.267-49.473-41.349-128.401 12.818-155.667 45.849-23.156 93.96-29.188 144.43-23.35 72.872 8.148 138.082 38.211 205.286 70.026z' fill='%23FFFFFF'/%3E%3C/svg%3E");
}
.modal-btn.ali-pay:hover {
    background-color: #0062cc;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 122, 255, 0.4);
}
/* ============ 核心新增：SVG图标写入CSS 外部引入 结束 ============ */

/* 立即下载按钮 - 纯文字 无图标 */
.modal-btn.primary {
    background-color: #0071e3;
    color: white;
    box-shadow: 0 2px 10px rgba(0, 113, 227, 0.3);
}
.modal-btn.primary:hover {
    background-color: #0056b3;
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(0, 113, 227, 0.4);
}
/* 取消按钮 - 纯文字 无图标 */
.modal-btn.secondary {
    background-color: #f5f5f7;
    color: #1d1d1f;
    transition: all 0.3s ease;
}
.modal-btn.secondary:hover {
    background-color: #e0e0e0;
    transform: translateY(-1px);
}

/* 章节样式 */
.section {
    margin-bottom: 35px;
    padding-top: 10px;
}

.section h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 18px;
    color: #1d1d1f;
    padding-bottom: 10px;
    border-bottom: 2px solid #f0f0f0;
    letter-spacing: -0.3px;
}

/* 信息网格 */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 20px;
}

.info-item {
    background-color: #f5f5f7;
    padding: 20px;
    border-radius: 12px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.info-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 113, 227, 0.1);
}

.info-item h3 {
    font-size: 14px;
    font-weight: 700;
    color: #6e6e73;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.info-item p {
    font-size: 16px;
    color: #1d1d1f;
    font-weight: 400;
    line-height: 1.6;
}

/* 内容文本 */
.content-text {
    font-size: 16px;
    line-height: 1.8;
    color: #1d1d1f;
}

.content-text p {
    margin-bottom: 15px;
}

/* 起草人列表 */
.people-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 15px;
}

.people-item {
    background-color: #f0f0f0;
    padding: 10px 18px;
    border-radius: 20px;
    font-size: 14px;
    color: #1d1d1f;
    font-weight: 400;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.people-item:hover {
    background-color: rgba(0, 113, 227, 0.1);
    border-color: rgba(0, 113, 227, 0.3);
    transform: translateY(-1px);
}

/* 底部信息 */
.footer {
    background-color: white;
    border-top: 1px solid #e0e0e0;
    padding: 30px 20px;
    margin-top: 50px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
}

.footer p {
    font-size: 14px;
    color: #6e6e73;
    margin-bottom: 8px;
    line-height: 1.5;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 22px;
    list-style: none;
    margin-top: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #0071e3;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s;
    padding: 5px 0;
    border-bottom: 1px solid transparent;
}

.footer-links a:hover {
    color: #0056b3;
    border-bottom-color: #0056b3;
}

/* 响应式设计 */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }

    .container {
        padding: 20px;
        margin-bottom: 70px;
    }

    h1 {
        font-size: 24px;
    }

    .standard-info {
        flex-direction: column;
        gap: 12px;
    }

    /* 导航栏响应式 */
        .nav-container {
            flex-direction: column;
            gap: 10px;
            align-items: stretch;
            padding: 10px 0;
        }

        .nav-top-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            gap: 15px;
        }

        .nav-links {
            flex-direction: row;
            gap: 15px;
            width: 100%;
            overflow-x: auto;
            padding: 5px 0;
        }

        .nav-links a {
            padding: 8px 0;
            border-bottom: none;
            white-space: nowrap;
        }

        .nav-links a:hover {
            color: #0071e3;
        }

        /* 调整header内边距 */
        .header {
            padding: 10px 20px;
        }

        /* 隐藏滚动条但保留滚动功能 */
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

    .search-container {
        width: auto;
        max-width: 200px;
        justify-content: space-between;
    }

    .search-input {
        width: calc(100% - 70px);
    }

    .info-grid {
        grid-template-columns: 1fr;
    }

    .people-list {
        gap: 10px;
    }

    .people-item {
        padding: 8px 15px;
        font-size: 13px;
    }

    /* 下载按钮响应式 */
    .download-section {
        max-width: 200px;
        bottom: 10px;
        right: 10px;
        transform: none;
    }

    .download-btn {
        padding: 12px 20px;
        font-size: 14px;
    }

    /* 遮罩层响应式 */
    .modal-content {
        margin: 25% auto;
        padding: 30px 20px;
        width: 95%;
    }

    .modal-buttons {
        flex-direction: column;
        align-items: center;
        gap: 8px;
    }

    .modal-btn {
        width: 100%;
        max-width: 250px;
    }

    /* 页脚响应式 */
    .footer-links {
        gap: 15px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 20px;
    }

    .section h2 {
        font-size: 19px;
    }

    .container {
        padding: 15px;
        border-radius: 8px;
    }

    .info-item {
        padding: 16px;
    }
}

/* 首页专用样式 */
.hero-section {
    text-align: center;
    margin-bottom: 40px;
    padding: 40px 0;
}

.hero-section h1 {
    font-size: 36px;
    margin-bottom: 15px;
}

.hero-section p {
    font-size: 18px;
    color: #6e6e73;
    max-width: 600px;
    margin: 0 auto;
}

/* 标准分类卡片 */
.standards-category {
    background-color: white;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.standards-category h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    color: #1d1d1f;
}

.standards-category .subtitle {
    font-size: 16px;
    color: #6e6e73;
    margin-bottom: 25px;
    line-height: 1.6;
}

/* 行业标签容器 */
.industry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 20px;
}

/* 行业标签样式 */
.industry-tag {
    display: inline-block;
    padding: 8px 16px;
    background-color: #f5f5f7;
    color: #1d1d1f;
    text-decoration: none;
    border-radius: 15px;
    font-size: 14px;
    transition: all 0.2s;
    border: 1px solid transparent;
}

.industry-tag:hover {
    background-color: rgba(0, 113, 227, 0.1);
    color: #1d1d1f;
    border-color: transparent;
    transform: translateY(-2px);
}

/* 地区分组 */
.region-group {
    margin-bottom: 25px;
}

.region-group h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 15px;
}

.region-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

/* 团体标准分类 */
.group-category {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.group-category-item {
    background-color: #f5f5f7;
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.2s;
}

.group-category-item:hover {
    background-color: rgba(0, 113, 227, 0.1);
    transform: translateY(-2px);
}

.group-category-item span {
    font-weight: 600;
    margin-right: 8px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        padding: 20px 0;
    }

    .hero-section h1 {
        font-size: 28px;
    }

    .hero-section p {
        font-size: 16px;
    }

    .standards-category {
        padding: 20px;
    }

    .standards-category h2 {
        font-size: 20px;
    }

    .industry-tags,
    .region-tags {
        gap: 10px;
    }

    .industry-tag {
        padding: 6px 12px;
        font-size: 13px;
    }

    .group-category {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 10px;
    }
}