/* =============================================
   IP258.cn - 静态内容页公共样式
   覆盖：分类列表页 / 文章详情页 / 单页 / 接口文档卡片网格
   由 admin_content_common.php 生成的静态页 <link> 引入
   ============================================= */
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"Microsoft YaHei",Arial,sans-serif;background:#f5f7fa;color:#333;line-height:1.6;}
.content{max-width:1200px;margin:0 auto;padding:24px;}

/* ---- 分类导航（分类列表页 / 文章详情页顶部） ---- */
.cat-nav{background:#fff;border-radius:10px;padding:16px 20px;margin-bottom:20px;box-shadow:0 1px 4px rgba(0,0,0,.06);display:flex;gap:10px;flex-wrap:wrap;align-items:center;}
.cat-nav .cat-label{font-size:13px;color:#999;margin-right:4px;}
.cat-nav a{padding:6px 16px;border-radius:20px;font-size:13px;text-decoration:none;color:#666;background:#f5f5f5;transition:all .2s;}
.cat-nav a:hover{background:#667eea;color:#fff;}
.cat-nav a.active{background:#667eea;color:#fff;}

/* ---- 分类列表 ---- */
.article-list{display:flex;flex-direction:column;gap:14px;}
.article-card{background:#fff;border-radius:10px;padding:20px 24px;box-shadow:0 1px 4px rgba(0,0,0,.06);transition:box-shadow .2s;cursor:pointer;}
.article-card:hover{box-shadow:0 4px 12px rgba(0,0,0,.1);}
.article-card .title{font-size:17px;font-weight:600;color:#1a1a1a;margin-bottom:6px;}
.article-card .title a{color:inherit;text-decoration:none;}
.article-card .title a:hover{color:#667eea;}
.article-card .meta{font-size:12px;color:#999;display:flex;gap:16px;align-items:center;}
.empty{text-align:center;color:#999;padding:60px 0;font-size:14px;}

/* ---- 文章详情 ---- */
.back-link{display:inline-block;margin-bottom:16px;font-size:13px;color:#667eea;text-decoration:none;}
.back-link:hover{text-decoration:underline;}
.article-detail{background:#fff;border-radius:10px;padding:32px 40px;box-shadow:0 1px 4px rgba(0,0,0,.06);}
.article-detail .title{font-size:24px;font-weight:700;color:#1a1a1a;margin-bottom:12px;line-height:1.4;}
.article-detail .meta{font-size:13px;color:#999;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid #f0f0f0;display:flex;gap:16px;align-items:center;}
.article-detail .meta .cat-tag{background:#f0f5ff;color:#667eea;padding:3px 12px;border-radius:12px;}
.article-detail .content{font-size:15px;color:#333;line-height:1.8;}
.article-detail .content h1,.article-detail .content h2,.article-detail .content h3{margin:20px 0 10px;color:#1a1a1a;}
.article-detail .content p{margin-bottom:14px;}
.article-detail .content pre{background:#f5f5f5;padding:14px;border-radius:6px;overflow-x:auto;margin-bottom:14px;font-size:13px;}
.article-detail .content code{background:#f5f5f5;padding:2px 6px;border-radius:3px;font-size:13px;font-family:monospace;}
.article-detail .content pre code{background:none;padding:0;}
.article-detail .content ul,.article-detail .content ol{margin:0 0 14px 24px;}
.article-detail .content li{margin-bottom:6px;}
.article-detail .content a{color:#667eea;text-decoration:none;}
.article-detail .content a:hover{text-decoration:underline;}
.article-detail .content table{border-collapse:collapse;width:100%;margin-bottom:14px;}
.article-detail .content th,.article-detail .content td{border:1px solid #e0e0e0;padding:8px 12px;text-align:left;}
.article-detail .content th{background:#fafafa;}

/* ---- 单页 ---- */
.page-detail{background:#fff;border-radius:10px;padding:32px 36px;box-shadow:0 1px 4px rgba(0,0,0,.06);}
.page-detail .title{font-size:24px;font-weight:600;color:#1a1a1a;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid #f0f0f0;}
.page-detail .content{font-size:15px;color:#444;line-height:1.7;}
.page-detail .content img{max-width:100%;height:auto;}
.page-detail .content h1,.page-detail .content h2,.page-detail .content h3{margin:18px 0 10px;color:#1a1a1a;}
.page-detail .content p{margin:10px 0;}
.page-detail .content a{color:#667eea;}

/* ---- 接口文档卡片网格（接口文档中心 /{slug}.html） ---- */
.api-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px;margin:18px 0;}
.api-card{position:relative;background:#fff;border:1px solid #eef0f3;border-radius:12px;padding:22px 20px;display:flex;flex-direction:column;transition:box-shadow .2s,transform .2s;}
.api-card:hover{box-shadow:0 6px 18px rgba(0,0,0,.09);transform:translateY(-2px);}
.api-card-name{font-size:16px;font-weight:700;color:#1a1a1a;margin-bottom:8px;}
.api-card-desc{font-size:13px;color:#666;line-height:1.6;margin-bottom:18px;flex:1;}
.api-card-btn{display:inline-block;padding:8px 22px;background:#16a34a;color:#fff;border-radius:6px;font-size:13px;text-decoration:none;align-self:flex-start;transition:background .2s;}
.api-card-btn:hover{background:#15803d;color:#fff;}
/* 修复：单页全局链接样式会把按钮白字覆盖成蓝色，这里提高优先级强制白字 */
.page-detail .content .api-card-btn{color:#fff;}
.page-detail .content .api-card-btn:hover{color:#fff;background:#15803d;}
/* 收费/免费角标 */
.api-card-badge{position:absolute;top:12px;right:12px;padding:2px 10px;border-radius:4px;font-size:12px;font-weight:600;color:#fff;line-height:1.5;}
.api-card-badge.free{background:#16a34a;}
.api-card-badge.paid{background:#f97316;}
.api-empty{text-align:center;color:#999;padding:40px 0;font-size:14px;}
@media (max-width:768px){.api-card-grid{grid-template-columns:1fr;}}