/* =============================================
   移动端自适应 CSS（优化版）
   ============================================= */

/* 基础响应式布局 */
@media (max-width: 768px) {
    /* 容器宽度自适应 */
    .container {
        width: 100% !important;
        max-width: 100% !important;
        padding: 10px !important;
        margin: 0 auto !important;
    }
    
    /* 头部优化 */
    header {
        padding: 10px 0 !important;
    }
    
    header h1 {
        font-size: 20px !important;
        margin-bottom: 5px !important;
    }
    
    header nav {
        float: none !important;
        text-align: center !important;
        margin-top: 10px !important;
    }
    
    header nav a {
        display: inline-block !important;
        margin: 0 5px !important;
        font-size: 14px !important;
    }
    
    /* 搜索框优化 */
    .search-box {
        width: 100% !important;
        margin: 10px 0 !important;
    }
    
    .search-box input[type="text"] {
        width: 70% !important;
        font-size: 14px !important;
    }
    
    .search-box button {
        width: 25% !important;
        font-size: 14px !important;
    }
    
    /* 内容卡片优化 */
    .post-card {
        padding: 10px !important;
        margin-bottom: 15px !important;
    }
    
    .post-card h3 {
        font-size: 16px !important;
        line-height: 1.4 !important;
    }
    
    .post-card p {
        font-size: 13px !important;
        line-height: 1.5 !important;
    }
    
    .post-card .post-meta {
        font-size: 12px !important;
    }
    
    /* 内容详情页优化 */
    .post-content {
        font-size: 15px !important;
        line-height: 1.6 !important;
        padding: 10px !important;
    }
    
    .post-content img {
        max-width: 100% !important;
        height: auto !important;
    }
    
    /* 按钮优化（增大点击区域）*/
    .btn, button, input[type="submit"] {
        padding: 8px 15px !important;
        font-size: 14px !important;
        min-height: 36px !important;
    }
    
    /* 表格优化（允许横向滚动）*/
    table {
        display: block !important;
        overflow-x: auto !important;
        width: 100% !important;
    }
    
    /* 分页优化 */
    .pagination {
        text-align: center !important;
    }
    
    .pagination a, .pagination span {
        padding: 5px 10px !important;
        font-size: 14px !important;
    }
    
    /* 后台管理页面优化 */
    .admin-sidebar {
        display: none !important; /* 移动端隐藏侧边栏 */
    }
    
    .admin-content {
        width: 100% !important;
        padding: 10px !important;
    }
    
    .admin-nav {
        overflow-x: auto !important;
        white-space: nowrap !important;
    }
    
    /* 表单优化 */
    input[type="text"], input[type="password"], input[type="email"], textarea, select {
        width: 100% !important;
        font-size: 14px !important;
        padding: 8px !important;
    }
}

/* 平板适配 */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        width: 95% !important;
        max-width: 95% !important;
    }
    
    .post-card {
        width: 48% !important;
        display: inline-block !important;
        vertical-align: top !important;
        margin-right: 2% !important;
    }
}

/* 桌面端优化 */
@media (min-width: 1025px) {
    .container {
        width: 90% !important;
        max-width: 1200px !important;
    }
}

/* 通用优化 */
* {
    box-sizing: border-box !important;
}

img {
    max-width: 100% !important;
    height: auto !important;
}

/* 移动端菜单（汉堡菜单）*/
.mobile-menu-toggle {
    display: none !important;
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: block !important;
        position: absolute !important;
        top: 10px !important;
        right: 10px !important;
        background: none !important;
        border: none !important;
        font-size: 24px !important;
        cursor: pointer !important;
    }
    
    header nav {
        display: none !important;
    }
    
    header nav.active {
        display: block !important;
        width: 100% !important;
    }
    
    header nav.active a {
        display: block !important;
        padding: 10px !important;
        border-bottom: 1px solid #eee !important;
    }
}