/* ===== 图趣网 (tutcsq.com) 全局样式 - 清新薄荷绿风格 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: linear-gradient(180deg, #f0fdfa 0%, #f8fafc 40%, #f1f5f9 100%);
  background-attachment: fixed;
  color: #334155; line-height: 1.7;
}
a { color: #0d9488; text-decoration: none; transition: color .2s; }
a:hover { color: #0f766e; }
img { max-width: 100%; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 20px; }

/* ===== 头部导航 (毛玻璃效果) ===== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.88);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  box-shadow: 0 1px 0 rgba(13,148,136,0.08), 0 8px 24px rgba(15,118,110,0.06);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo a {
  color: #0f766e; font-size: 22px; font-weight: 800; letter-spacing: 1px;
  background: linear-gradient(135deg, #0d9488, #059669);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.logo a:hover { -webkit-text-fill-color: #0d9488; }
.main-nav > ul { list-style: none; display: flex; gap: 6px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: block; color: #475569; padding: 18px 16px; font-size: 15px; font-weight: 500;
  border-radius: 8px;
}
.main-nav > ul > li > a:hover, .main-nav > ul > li.active > a {
  color: #0d9488; background: rgba(13,148,136,0.08);
}

/* 二级菜单 */
.main-nav .submenu {
  display: none; position: absolute; top: 100%; left: 0; min-width: 180px;
  background: #fff; box-shadow: 0 12px 32px rgba(15,118,110,0.15); border-radius: 0 0 12px 12px;
  border: 1px solid rgba(13,148,136,0.1); list-style: none; z-index: 100; padding: 8px 0;
}
.main-nav li:hover .submenu, .main-nav li.has-submenu:hover .submenu { display: block; }
.main-nav .submenu a { display: block; padding: 9px 20px; color: #475569; font-size: 14px; }
.main-nav .submenu a:hover { background: #f0fdfa; color: #0d9488; }

/* ===== 内容区 ===== */
.main-content { padding: 28px 20px 40px; min-height: 70vh; }
.flash { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; padding: 12px 18px; border-radius: 10px; margin-top: 16px; }

/* ===== 首页 hero ===== */
.hero {
  background: linear-gradient(135deg, #0d9488 0%, #10b981 60%, #34d399 100%);
  color: #fff; border-radius: 20px; padding: 52px 40px; margin-bottom: 32px;
  box-shadow: 0 16px 40px rgba(13,148,136,0.25); position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; right: -60px; top: -60px; width: 220px; height: 220px;
  background: rgba(255,255,255,0.12); border-radius: 50%;
}
.hero h1 { font-size: 32px; margin-bottom: 12px; font-weight: 800; }
.hero p { opacity: 0.95; font-size: 16px; max-width: 520px; }
.search-box { margin-top: 24px; display: flex; max-width: 520px; position: relative; z-index: 1; }
.search-box input {
  flex: 1; padding: 14px 18px; border: none; border-radius: 12px 0 0 12px; font-size: 15px;
  outline: none; box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.search-box button {
  padding: 14px 28px; border: none; background: #064e3b; color: #fff; border-radius: 0 12px 12px 0;
  cursor: pointer; font-size: 15px; font-weight: 600;
}
.search-box button:hover { background: #065f46; }

/* ===== 区块标题 ===== */
.section-title { display: flex; align-items: center; justify-content: space-between; margin: 32px 0 18px; }
.section-title h2 {
  font-size: 21px; font-weight: 700; color: #134e4a;
  border-left: 4px solid #10b981; padding-left: 12px;
}
.section-title a.more { font-size: 14px; color: #0d9488; }
.section-title a.more:hover { color: #0f766e; }

/* ===== 网站卡片 (圆角+轻投影) ===== */
.site-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 18px; }
.site-card {
  background: #fff; border-radius: 16px; padding: 20px;
  border: 1px solid rgba(13,148,136,0.1);
  box-shadow: 0 2px 8px rgba(15,118,110,0.05);
  transition: transform .2s, box-shadow .2s;
}
.site-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(15,118,110,0.12); }
.site-card h3 { font-size: 17px; margin-bottom: 8px; }
.site-card h3 a { color: #1e293b; font-weight: 700; }
.site-card h3 a:hover { color: #0d9488; }
.site-card .site-meta { font-size: 13px; color: #94a3b8; margin-bottom: 8px; }
.site-card .site-meta span { margin-right: 12px; }
.site-card .desc { font-size: 14px; color: #475569; }
.site-card .keywords { margin-top: 12px; }
.site-card .keywords a {
  display: inline-block; font-size: 12px; background: #f0fdfa; color: #0d9488;
  padding: 3px 10px; border-radius: 20px; margin: 3px 4px 3px 0;
}
.site-card .keywords a:hover { background: #ccfbf1; }
.badge { display: inline-block; font-size: 12px; padding: 2px 10px; border-radius: 20px; margin-left: 6px; }
.badge.cat { background: #ecfdf5; color: #047857; }

/* ===== 分类区块(首页) ===== */
.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.cat-item {
  background: #fff; border: 1px solid rgba(13,148,136,0.1); border-radius: 14px; padding: 16px;
  text-align: center; transition: transform .2s, box-shadow .2s;
}
.cat-item:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(15,118,110,0.10); }
.cat-item a { color: #1e293b; font-weight: 600; display: block; }
.cat-item a:hover { color: #0d9488; }
.cat-item .count { font-size: 13px; color: #94a3b8; margin-top: 4px; }

/* ===== 文章列表 ===== */
.article-list { background: #fff; border-radius: 14px; border: 1px solid rgba(13,148,136,0.1); overflow: hidden; }
.article-item { padding: 20px 24px; border-bottom: 1px solid #f0fdfa; }
.article-item:last-child { border-bottom: none; }
.article-item h3 { font-size: 17px; margin-bottom: 8px; }
.article-item h3 a { color: #1e293b; font-weight: 700; }
.article-item h3 a:hover { color: #0d9488; }
.article-meta { font-size: 13px; color: #94a3b8; margin-bottom: 6px; }
.article-meta span { margin-right: 14px; }
.article-item .desc { font-size: 14px; color: #475569; }
.article-item .keywords { margin-top: 8px; }
.article-item .keywords span { display: inline-block; font-size: 12px; background: #f1f5f9; color: #64748b; padding: 3px 10px; border-radius: 20px; margin: 3px 4px 3px 0; }

/* ===== 文章详情 ===== */
.article-detail { background: #fff; border-radius: 14px; border: 1px solid rgba(13,148,136,0.1); padding: 36px; }
.article-detail h1 { font-size: 27px; margin-bottom: 14px; color: #134e4a; }
.article-detail .article-content { margin-top: 22px; font-size: 16px; }
.article-detail .article-content p { margin-bottom: 16px; }
.article-detail .article-content img { border-radius: 10px; }

/* ===== 表单 ===== */
.form-card { background: #fff; border-radius: 16px; border: 1px solid rgba(13,148,136,0.1); padding: 32px; max-width: 660px; box-shadow: 0 4px 16px rgba(15,118,110,0.05); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 14px; color: #334155; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 11px 14px; border: 1px solid #cbd5e1; border-radius: 10px; font-size: 14px; outline: none; transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: #10b981; box-shadow: 0 0 0 3px rgba(16,185,129,0.12); }
.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: 11px 24px; background: linear-gradient(135deg, #0d9488, #059669); color: #fff; border: none;
  border-radius: 10px; font-size: 15px; font-weight: 600; cursor: pointer; transition: opacity .2s;
}
.btn:hover { opacity: 0.9; color: #fff; }
.btn-secondary { background: #64748b; }
.btn-success { background: #059669; }
.btn-danger { background: #dc2626; }
.form-msg { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; }
.form-msg.success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.form-msg.error { background: #fef2f2; color: #b91c1c; border: 1px solid #fecaca; }

/* ===== 分页 ===== */
.pagination { margin: 28px 0; text-align: center; }
.pagination ul { list-style: none; display: inline-flex; gap: 6px; }
.pagination li a, .pagination li span {
  display: block; padding: 9px 15px; background: #fff; border: 1px solid #e2e8f0;
  border-radius: 8px; color: #475569; font-size: 14px;
}
.pagination li.active span { background: linear-gradient(135deg, #0d9488, #059669); color: #fff; border-color: transparent; }
.pagination li a:hover { border-color: #0d9488; color: #0d9488; }

/* ===== 空状态 ===== */
.empty { text-align: center; padding: 60px 20px; color: #94a3b8; }

/* ===== 页脚 ===== */
.site-footer {
  background: #0f172a; color: #94a3b8; padding: 28px 0; margin-top: 48px; 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: #34d399; }

/* ===== 后台样式 ===== */
.admin-wrap { display: flex; min-height: 100vh; }
.admin-sidebar { width: 220px; background: #0f172a; 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(16,185,129,0.15); color: #34d399; }
.admin-main { flex: 1; padding: 24px; background: #f8fafc; }
.admin-main h1 { font-size: 22px; margin-bottom: 20px; color: #134e4a; }
.admin-toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.admin-table { width: 100%; background: #fff; border-radius: 12px; overflow: hidden; border: 1px solid #e2e8f0; }
.admin-table th, .admin-table td { padding: 12px 16px; text-align: left; font-size: 14px; border-bottom: 1px solid #f1f5f9; }
.admin-table th { background: #f8fafc; font-weight: 600; color: #334155; }
.admin-table tr:hover td { background: #fafafa; }
.admin-table .actions a { margin-right: 8px; font-size: 13px; }
.status-pill { display: inline-block; padding: 3px 12px; border-radius: 20px; font-size: 12px; }
.status-approved, .status-published, .status-enabled { background: #ecfdf5; color: #047857; }
.status-pending { background: #fffbeb; color: #b45309; }
.status-rejected, .status-disabled, .status-draft { background: #fef2f2; color: #b91c1c; }
.status-expired { background: #f1f5f9; color: #64748b; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border-radius: 12px; padding: 20px; border: 1px solid #e2e8f0; }
.stat-card .num { font-size: 28px; font-weight: 700; color: #0d9488; }
.stat-card .label { font-size: 13px; color: #64748b; margin-top: 4px; }

/* 登录页 */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(135deg, #ccfbf1, #f0fdfa); }
.login-card { background: #fff; border-radius: 16px; padding: 40px; width: 380px; box-shadow: 0 16px 40px rgba(15,118,110,0.15); }
.login-card h1 { font-size: 22px; text-align: center; margin-bottom: 24px; color: #134e4a; }

@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; }
  .hero { padding: 36px 24px; }
  .hero h1 { font-size: 24px; }
}