/* 全局图片自适应：防止移动端溢出 */
        img {
            max-width: 100% !important;  /* 不超过父容器宽度 */
            height: auto !important;       /* 高度自动，不变形 */
            display: block !important;     /* 消除底部小白边 */
        }

        /* 文章内容里的图片，额外加一点内边距更美观 */
            .article-content img {
            margin: 15px auto; /* 上下间距、水平居中 */
            border-radius: 4px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft Yahei", sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }
        /* 头部样式 */
        header {
            padding: 15px 20px;
            background-color: #fff;
            border-bottom: 1px solid #eee;
            position: sticky;
            top: 0;
            z-index: 999;
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .index-banner {
            background: #2d3748;
            color: #fff;
            padding: 60px 0;
            text-align: center;
        }
        .index-banner h1 {
            font-size: 28px;
            margin-bottom: 10px;
        }
        .index-banner p {
            font-size: 14px;
            opacity: 0.8;
        }
        .logo {
            font-size: 20px;
            font-weight: bold;
            color: #e63946;
            text-decoration: none;
        }
        .menu-btn {
            display: block;
            width: 30px;
            height: 30px;
            background: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='%23333' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E") no-repeat center;
            border: none;
            cursor: pointer;
        }
        .nav {
            display: none;
            position: absolute;
            top: 60px;
            left: 0;
            right: 0;
            background-color: #fff;
            border-bottom: 1px solid #eee;
            padding: 10px 20px;
        }
        .nav.show {
            display: block;
        }
        .nav a {
            display: inline-block;
            margin-right: 20px;
            color: #333;
            text-decoration: none;
            padding: 5px 0;
        }
        /* 主体容器 */
        .container {
            max-width: 1200px;
            margin: 20px auto;
            padding: 0 20px;
        }
        /* 面包屑导航 */
        .breadcrumb {
            margin-bottom: 20px;
            font-size: 14px;
            color: #666;
        }
        .breadcrumb a {
            color: #666;
            text-decoration: none;
        }
        .breadcrumb span {
            margin: 0 5px;
        }
        /* 列表样式 */
        .article-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }
        .article-card {
            background-color: #fff;
            border-radius: 4px;
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
        }
        .article-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .article-card .card-content {
            padding: 15px;
        }
        .article-card h3 {
            font-size: 16px;
            margin-bottom: 10px;
        }
        .article-card h3 a {
            color: #333;
            text-decoration: none;
        }
        .article-card .date {
            font-size: 12px;
            color: #999;
        }
        /* 分页样式 */
        .pagination {
            text-align: center;
            margin: 30px 0;
        }
        .pagination button {
            padding: 8px 15px;
            margin: 0 5px;
            border: 1px solid #ddd;
            background-color: #fff;
            cursor: pointer;
            border-radius: 4px;
        }
        .pagination button.active {
            background-color: #e63946;
            color: #fff;
            border-color: #e63946;
        }
        /* 详情页样式 */
        .article-detail {
            background-color: #fff;
            padding: 30px;
            border-radius: 4px;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
            margin-bottom: 30px;
        }
        .article-detail h1 {
            font-size: 24px;
            margin-bottom: 15px;
            text-align: center;
        }
        .article-meta {
            text-align: center;
            font-size: 14px;
            color: #999;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }
        .article-content {
            font-size: 16px;
            line-height: 1.8;
        }
        .article-content h2 {
            font-size: 20px;
            margin: 20px 0 10px;
        }
        .article-content ul {
            margin: 10px 0 10px 20px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        /* 相关文章 */
        .related-articles {
            margin-top: 30px;
        }
        .related-articles h2 {
            font-size: 18px;
            margin-bottom: 15px;
            border-left: 4px solid #e63946;
            padding-left: 10px;
        }
        /* 底部样式 */
        footer {
            background-color: #343a40;
            color: #fff;
            text-align: center;
            padding: 20px;
            margin-top: 50px;
        }
        /* 响应式适配 */
        @media (min-width: 768px) {
            .menu-btn {
                display: none;
            }
            .nav {
                display: block;
                position: static;
                border: none;
                padding: 0;
            }
        }
        @media (max-width: 767px) {
            .article-detail {
                padding: 15px;
            }
            .article-detail h1 {
                font-size: 20px;
            }
            .article-list {
                grid-template-columns: 1fr;
            }
        }