/* ===== 挖的客 - 全局样式 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f5f6f8; color: #333; line-height: 1.6;
}
a { color: #2563eb; text-decoration: none; }
a:hover { color: #1d4ed8; }
img { max-width: 100%; }
.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

/* ===== 头部导航 ===== */
.site-header { background: #1e293b; color: #fff; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo a { color: #fff; font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.logo a:hover { color: #93c5fd; }
.main-nav > ul { list-style: none; display: flex; gap: 4px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block; color: #cbd5e1; padding: 18px 16px; font-size: 15px;
}
.main-nav > ul > li > a:hover, .main-nav > ul > li.active > a { color: #fff; background: rgba(255,255,255,0.08); border-radius: 6px 6px 0 0; }

/* 二级菜单 */
.main-nav .submenu {
  display: none; position: absolute; top: 100%; left: 0; min-width: 170px;
  background: #fff; box-shadow: 0 8px 24px rgba(0,0,0,0.12); border-radius: 0 0 8px 8px;
  list-style: none; z-index: 100; padding: 6px 0;
}
.main-nav li:hover .submenu, .main-nav li.has-submenu:hover .submenu { display: block; }
.main-nav .submenu a { display: block; padding: 8px 18px; color: #374151; font-size: 14px; }
.main-nav .submenu a:hover { background: #f1f5f9; color: #2563eb; }

/* ===== 内容区 ===== */
.main-content { padding: 24px 16px; min-height: 70vh; }
.flash { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; padding: 10px 16px; border-radius: 8px; margin-top: 16px; }

/* ===== 首页 hero ===== */
.hero { background: linear-gradient(135deg, #2563eb, #4f46e5); color: #fff; border-radius: 12px; padding: 40px 32px; margin-bottom: 28px; }
.hero h1 { font-size: 28px; margin-bottom: 10px; }
.hero p { opacity: 0.9; }
.search-box { margin-top: 20px; display: flex; max-width: 480px; }
.search-box input { flex: 1; padding: 12px 16px; border: none; border-radius: 8px 0 0 8px; font-size: 15px; outline: none; }
.search-box button { padding: 12px 24px; border: none; background: #0f172a; color: #fff; border-radius: 0 8px 8px 0; cursor: pointer; font-size: 15px; }
.search-box button:hover { background: #1e293b; }

/* ===== 区块标题 ===== */
.section-title { display: flex; align-items: center; justify-content: space-between; margin: 28px 0 16px; }
.section-title h2 { font-size: 20px; border-left: 4px solid #2563eb; padding-left: 10px; }
.section-title a.more { font-size: 14px; color: #6b7280; }

/* ===== 网站卡片 ===== */
.site-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.site-card {
  background: #fff; border-radius: 10px; padding: 18px; border: 1px solid #e5e7eb;
  transition: box-shadow .2s; 
}
.site-card:hover { box-shadow: 0 6px 18px rgba(0,0,0,0.08); }
.site-card h3 { font-size: 17px; margin-bottom: 6px; }
.site-card h3 a { color: #1f2937; }
.site-card h3 a:hover { color: #2563eb; }
.site-card .site-meta { font-size: 13px; color: #9ca3af; margin-bottom: 8px; }
.site-card .site-meta span { margin-right: 12px; }
.site-card .desc { font-size: 14px; color: #4b5563; }
.site-card .keywords { margin-top: 10px; }
.site-card .keywords a {
  display: inline-block; font-size: 12px; background: #eff6ff; color: #2563eb;
  padding: 2px 8px; border-radius: 4px; margin: 2px 4px 2px 0;
}
.badge { display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 4px; margin-left: 6px; }
.badge.cat { background: #eef2ff; color: #4338ca; }

/* ===== 分类区块(首页) ===== */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.cat-item {
  background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; padding: 14px; text-align: center;
}
.cat-item a { color: #374151; font-weight: 600; display: block; }
.cat-item a:hover { color: #2563eb; }
.cat-item .count { font-size: 13px; color: #9ca3af; margin-top: 4px; }

/* ===== 文章列表 ===== */
.article-list { background: #fff; border-radius: 10px; border: 1px solid #e5e7eb; }
.article-item { padding: 18px 20px; border-bottom: 1px solid #f0f0f0; }
.article-item:last-child { border-bottom: none; }
.article-item h3 { font-size: 17px; margin-bottom: 6px; }
.article-meta { font-size: 13px; color: #9ca3af; margin-bottom: 6px; }
.article-meta span { margin-right: 14px; }
.article-item .desc { font-size: 14px; color: #4b5563; }
.article-item .keywords { margin-top: 8px; }
.article-item .keywords span { display: inline-block; font-size: 12px; background: #f3f4f6; color: #6b7280; padding: 2px 8px; border-radius: 4px; margin: 2px 4px 2px 0; }

/* ===== 文章详情 ===== */
.article-detail { background: #fff; border-radius: 10px; border: 1px solid #e5e7eb; padding: 32px; }
.article-detail h1 { font-size: 26px; margin-bottom: 12px; }
.article-detail .article-content { margin-top: 20px; font-size: 16px; }
.article-detail .article-content p { margin-bottom: 16px; }
.article-detail .article-content img { border-radius: 8px; }

/* ===== 表单 ===== */
.form-card { background: #fff; border-radius: 10px; border: 1px solid #e5e7eb; padding: 28px; max-width: 640px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 14px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 12px; border: 1px solid #d1d5db; border-radius: 8px; font-size: 14px; outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: #2563eb; box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
.form-group textarea { min-height: 100px; resize: vertical; }
.form-error { color: #dc2626; font-size: 13px; margin-top: 4px; }
.hp-field { position: absolute; left: -9999px; }
.btn {
  display: inline-block; padding: 10px 22px; background: #2563eb; color: #fff; border: none;
  border-radius: 8px; font-size: 15px; cursor: pointer;
}
.btn:hover { background: #1d4ed8; }
.btn-secondary { background: #6b7280; }
.btn-success { background: #059669; }
.btn-danger { background: #dc2626; }
.form-msg { padding: 12px; border-radius: 8px; margin-bottom: 16px; }
.form-msg.success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.form-msg.error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* ===== 分页 ===== */
.pagination { margin: 24px 0; text-align: center; }
.pagination ul { list-style: none; display: inline-flex; gap: 6px; }
.pagination li a, .pagination li span {
  display: block; padding: 8px 14px; background: #fff; border: 1px solid #e5e7eb;
  border-radius: 6px; color: #374151; font-size: 14px;
}
.pagination li.active span { background: #2563eb; color: #fff; border-color: #2563eb; }
.pagination li a:hover { border-color: #2563eb; color: #2563eb; }

/* ===== 空状态 ===== */
.empty { text-align: center; padding: 60px 20px; color: #9ca3af; }

/* ===== 页脚 ===== */
.site-footer { background: #1e293b; color: #94a3b8; padding: 24px 0; margin-top: 40px; font-size: 14px; }
.site-footer .friend-links { margin-bottom: 12px; }
.site-footer .friend-links a { color: #cbd5e1; margin: 0 8px 6px 0; display: inline-block; }
.site-footer .friend-links a:hover { color: #fff; }

/* ===== 后台样式 ===== */
.admin-wrap { display: flex; min-height: 100vh; }
.admin-sidebar { width: 220px; background: #1e293b; color: #fff; padding-top: 20px; }
.admin-sidebar .brand { padding: 0 20px 20px; font-size: 18px; font-weight: 700; }
.admin-sidebar ul { list-style: none; }
.admin-sidebar li a { display: block; padding: 12px 20px; color: #cbd5e1; }
.admin-sidebar li a:hover, .admin-sidebar li.active a { background: rgba(255,255,255,0.08); color: #fff; }
.admin-main { flex: 1; padding: 24px; background: #f5f6f8; }
.admin-main h1 { font-size: 22px; margin-bottom: 20px; }
.admin-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.admin-table { width: 100%; background: #fff; border-radius: 10px; overflow: hidden; border: 1px solid #e5e7eb; }
.admin-table th, .admin-table td { padding: 12px 16px; text-align: left; font-size: 14px; border-bottom: 1px solid #f0f0f0; }
.admin-table th { background: #f9fafb; font-weight: 600; color: #374151; }
.admin-table tr:hover td { background: #fafafa; }
.admin-table .actions a { margin-right: 8px; font-size: 13px; }
.status-pill { display: inline-block; padding: 2px 10px; border-radius: 12px; font-size: 12px; }
.status-approved, .status-published, .status-enabled { background: #ecfdf5; color: #065f46; }
.status-pending { background: #fffbeb; color: #b45309; }
.status-rejected, .status-disabled, .status-draft { background: #fef2f2; color: #b91c1c; }
.status-expired { background: #f3f4f6; color: #6b7280; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border-radius: 10px; padding: 20px; border: 1px solid #e5e7eb; }
.stat-card .num { font-size: 28px; font-weight: 700; color: #2563eb; }
.stat-card .label { font-size: 13px; color: #6b7280; margin-top: 4px; }

/* 登录页 */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: #eef2ff; }
.login-card { background: #fff; border-radius: 12px; padding: 36px; width: 360px; box-shadow: 0 10px 30px rgba(0,0,0,0.08); }
.login-card h1 { font-size: 22px; text-align: center; margin-bottom: 24px; }

@media (max-width: 768px) {
  .header-inner { flex-direction: column; height: auto; padding: 12px 0; gap: 8px; }
  .main-nav > ul { flex-wrap: wrap; justify-content: center; }
  .main-nav .submenu { position: static; }
  .admin-sidebar { width: 180px; }
}