/* ===== 全局 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, "Microsoft YaHei", "PingFang SC", sans-serif; background: #f5f5f5; color: #333; line-height: 1.6; }
a { color: #1a73e8; text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 15px; }
.text-muted { color: #999; font-size: 14px; }

/* ===== 头部 ===== */
.header { background: #fff; border-bottom: 1px solid #e8e8e8; position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; height: 56px; }
.logo { font-size: 22px; font-weight: 700; color: #e74c3c !important; }
.nav { margin-left: auto; display: flex; gap: 20px; }
.nav a { color: #555; font-size: 15px; }
.nav a:hover { color: #e74c3c; text-decoration: none; }

/* ===== 广告位 ===== */
.ad-banner, .ad-footer { text-align: center; padding: 10px; background: #fff; margin: 10px 0; min-height: 60px; border: 1px dashed #ddd; color: #ccc; font-size: 13px; display: flex; align-items: center; justify-content: center; }
.ad-inline { text-align: center; padding: 15px 0; margin: 20px 0; border-top: 1px solid #eee; border-bottom: 1px solid #eee; min-height: 90px; display: flex; align-items: center; justify-content: center; color: #ccc; }

/* ===== 主要内容 ===== */
.main { padding: 20px 0; min-height: 70vh; }

/* ===== 热门标签 ===== */
.hot-tags { background: #fff; padding: 12px 18px; border-radius: 8px; margin-bottom: 20px; display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.tag-label { font-weight: 600; font-size: 14px; color: #e74c3c; }
.tag { display: inline-block; padding: 3px 12px; background: #fff0f0; color: #e74c3c; border-radius: 20px; font-size: 13px; border: 1px solid #ffd5d5; }
.tag:hover { background: #e74c3c; color: #fff; text-decoration: none; }

/* ===== 文章卡片 ===== */
.article-card { background: #fff; border-radius: 8px; margin-bottom: 15px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); transition: box-shadow .2s; }
.article-card:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.12); }
.card-body { padding: 18px 22px; }
.card-title { font-size: 18px; margin-bottom: 8px; }
.card-title a { color: #222; }
.card-title a:hover { color: #e74c3c; }
.card-summary { color: #666; font-size: 14px; margin-bottom: 10px; line-height: 1.5; }
.card-meta { display: flex; gap: 15px; font-size: 12px; color: #999; align-items: center; flex-wrap: wrap; }
.meta-cat { background: #e8f0fe; color: #1a73e8; padding: 1px 8px; border-radius: 4px; }
.card-keywords { color: #bbb; }

/* ===== 文章详情 ===== */
.article-detail { background: #fff; border-radius: 8px; padding: 30px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.detail-title { font-size: 26px; line-height: 1.4; margin-bottom: 12px; }
.detail-meta { display: flex; gap: 15px; font-size: 13px; color: #999; margin-bottom: 20px; flex-wrap: wrap; align-items: center; }
.detail-tags { display: flex; gap: 5px; flex-wrap: wrap; }
.detail-content { font-size: 16px; line-height: 1.9; }
.detail-content p { margin-bottom: 1em; text-indent: 2em; }

/* ===== 推荐阅读 ===== */
.related-section { margin-top: 30px; }
.related-section h3 { margin-bottom: 15px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
.related-item { background: #fff; padding: 15px; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.related-item h4 { font-size: 14px; color: #333; margin-bottom: 5px; }
.related-item span { font-size: 12px; color: #999; }

/* ===== 空状态 ===== */
.empty-state { text-align: center; padding: 80px 20px; color: #999; }
.empty-state h2 { margin-bottom: 10px; color: #666; }

/* ===== 登录 ===== */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: #f0f2f5; }
.login-box { background: #fff; padding: 40px; border-radius: 12px; box-shadow: 0 2px 12px rgba(0,0,0,0.1); width: 360px; }
.login-box h2 { text-align: center; margin-bottom: 24px; }
.login-box input { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 6px; margin-bottom: 16px; font-size: 15px; }
.login-box button { width: 100%; padding: 12px; background: #e74c3c; color: #fff; border: none; border-radius: 6px; font-size: 16px; cursor: pointer; }
.error-msg { color: #e74c3c; text-align: center; margin-bottom: 12px; }

/* ===== 管理后台布局 ===== */
.admin-layout { display: flex; gap: 24px; }
.admin-sidebar { width: 180px; flex-shrink: 0; background: #fff; border-radius: 8px; padding: 16px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); height: fit-content; position: sticky; top: 80px; }
.admin-sidebar h3 { font-size: 15px; margin-bottom: 12px; color: #333; }
.admin-sidebar a { display: block; padding: 8px 10px; margin-bottom: 4px; border-radius: 6px; font-size: 14px; color: #555; }
.admin-sidebar a:hover, .admin-sidebar a.active { background: #fff0f0; color: #e74c3c; text-decoration: none; }
.admin-main { flex: 1; min-width: 0; }
.admin-main h2 { margin-bottom: 20px; }
.admin-main h3 { margin: 20px 0 10px; }

/* ===== 统计卡片 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-bottom: 20px; }
.stat-card { background: #fff; padding: 20px; border-radius: 8px; text-align: center; box-shadow: 0 1px 3px rgba(0,0,0,0.08); border-left: 4px solid #1a73e8; }
.stat-card.green { border-left-color: #27ae60; }
.stat-card.orange { border-left-color: #f39c12; }
.stat-num { font-size: 32px; font-weight: 700; color: #333; }
.stat-label { font-size: 13px; color: #999; margin-top: 4px; }

/* ===== 表格 ===== */
.admin-table { width: 100%; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.08); border-collapse: collapse; }
.admin-table th, .admin-table td { padding: 10px 14px; text-align: left; font-size: 14px; border-bottom: 1px solid #f0f0f0; }
.admin-table th { background: #fafafa; font-weight: 600; color: #555; }
.admin-table tr:hover { background: #fafafa; }

/* ===== 按钮 ===== */
.btn-sm { padding: 4px 12px; border: none; border-radius: 4px; font-size: 12px; cursor: pointer; }
.btn-green { background: #27ae60; color: #fff; }
.btn-blue { background: #1a73e8; color: #fff; }
.btn-red { background: #e74c3c; color: #fff; }
.action-cell { display: flex; gap: 4px; flex-wrap: wrap; }

/* ===== 分页 ===== */
.pagination { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 20px; font-size: 14px; }
.pagination a { padding: 6px 16px; background: #fff; border-radius: 6px; border: 1px solid #ddd; }

/* ===== 生成页面 ===== */
.gen-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 30px; }
.gen-card { background: #fff; border-radius: 8px; padding: 20px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.gen-card h3 { margin-bottom: 16px; font-size: 16px; }
.gen-card label { display: block; font-size: 13px; color: #555; margin-bottom: 4px; margin-top: 12px; }
.gen-card input[type="text"], .gen-card textarea, .gen-card select { width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 6px; font-size: 14px; }
.gen-card input[type="checkbox"] { margin-right: 6px; }
.gen-card button { margin-top: 16px; width: 100%; padding: 12px; background: #e74c3c; color: #fff; border: none; border-radius: 6px; font-size: 15px; cursor: pointer; }

/* ===== 热点列表 ===== */
.hot-list { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.hot-item { display: flex; align-items: center; padding: 10px 16px; border-bottom: 1px solid #f5f5f5; gap: 12px; color: #333; }
.hot-item:hover { background: #fafafa; text-decoration: none; }
.hot-rank { width: 24px; height: 24px; background: #eef; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; color: #1a73e8; flex-shrink: 0; }
.hot-title { flex: 1; font-size: 14px; }
.hot-source { font-size: 12px; color: #999; }
.hot-score { font-size: 12px; color: #e74c3c; font-weight: 600; }
.hot-section { margin-bottom: 30px; }

/* ===== 关键词库 ===== */
.kw-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.add-kw-box { background: #fff; padding: 16px; border-radius: 8px; margin-bottom: 16px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.inline-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline-form input { padding: 8px 12px; border: 1px solid #ddd; border-radius: 6px; width: 200px; }
.inline-form select { padding: 8px; border: 1px solid #ddd; border-radius: 6px; }
.inline-form button { padding: 8px 20px; background: #e74c3c; color: #fff; border: none; border-radius: 6px; cursor: pointer; }
.btn-link { color: #1a73e8; font-size: 14px; }

/* ===== 热度条 ===== */
.hot-bar-wrap { display: flex; align-items: center; gap: 8px; }
.hot-bar { height: 6px; background: #e74c3c; border-radius: 3px; max-width: 80px; min-width: 10px; }

/* ===== 弹窗 ===== */
.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 999; display: flex; align-items: center; justify-content: center; }
.modal-content { background: #fff; padding: 30px; border-radius: 12px; width: 700px; max-width: 90vw; max-height: 90vh; overflow-y: auto; }
.close { float: right; font-size: 28px; cursor: pointer; }
.modal-content label { display: block; margin-top: 12px; font-size: 13px; color: #555; }
.modal-content input, .modal-content textarea, .modal-content select { width: 100%; padding: 8px; border: 1px solid #ddd; border-radius: 4px; margin-top: 4px; font-size: 14px; }
.modal-content button { margin-top: 16px; padding: 10px 24px; background: #1a73e8; color: #fff; border: none; border-radius: 6px; cursor: pointer; }

/* ===== 提示 ===== */
.alert { background: #d4edda; color: #155724; padding: 12px 18px; border-radius: 6px; margin-bottom: 16px; }

/* ===== 页脚 ===== */
.footer { background: #fff; border-top: 1px solid #e8e8e8; padding: 20px 0; margin-top: 30px; text-align: center; font-size: 13px; color: #999; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .admin-layout { flex-direction: column; }
    .admin-sidebar { width: 100%; position: static; display: flex; flex-wrap: wrap; gap: 6px; }
    .admin-sidebar a { display: inline-block; }
    .gen-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .related-grid { grid-template-columns: 1fr; }
    .nav { gap: 10px; font-size: 13px; }
}