/* =====================================================================
   kunji_cms 前台样式
   ===================================================================== */
:root {
  --primary: #1d6fdf;
  --primary-dark: #1557b0;
  --text: #22303f;
  --text-light: #67788a;
  --border: #e6ebf1;
  --bg-alt: #f5f8fc;
  --radius: 8px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* 顶部导航 */
.site-header { border-bottom: 1px solid var(--border); background: #fff; position: sticky; top: 0; z-index: 20; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-size: 20px; font-weight: 700; color: var(--primary); }
.main-nav { display: flex; gap: 6px; }
.nav-item { padding: 8px 14px; border-radius: var(--radius); color: var(--text); font-size: 15px; }
.nav-item:hover { background: var(--bg-alt); color: var(--primary); }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: var(--radius); font-size: 18px; padding: 4px 10px; }

/* 首页 Hero */
.hero { background: linear-gradient(135deg, #1d6fdf 0%, #2f8ef0 100%); color: #fff; padding: 72px 0; }
.hero-title { font-size: 40px; margin: 0 0 12px; }
.hero-sub { font-size: 17px; opacity: .92; margin: 0; }

/* 区块 */
.section { padding: 48px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 22px; border-bottom: 2px solid var(--border); padding-bottom: 12px; }
.section-title { font-size: 24px; margin: 0; position: relative; padding-left: 14px; }
.section-title::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; background: var(--primary); border-radius: 2px; }
.more { color: var(--text-light); font-size: 14px; }
.more:hover { color: var(--primary); }

/* 新闻列表 */
.news-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.news-item { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: box-shadow .2s; }
.news-item:hover { box-shadow: 0 6px 18px rgba(29,111,223,.12); }
.news-link { display: block; }
.news-link .thumb { width: 100%; height: 170px; object-fit: cover; }
.news-body { padding: 14px 16px; }
.news-title { font-size: 17px; margin: 0 0 8px; }
.news-summary { color: var(--text-light); font-size: 14px; margin: 0 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-time { color: #94a3b3; font-size: 13px; }

/* 卡片网格 */
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.card { display: block; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: #fff; transition: box-shadow .2s, transform .2s; }
.card:hover { box-shadow: 0 6px 18px rgba(29,111,223,.12); transform: translateY(-2px); }
.card-img { width: 100%; height: 170px; object-fit: cover; background: var(--bg-alt); }
.card-title { font-size: 16px; margin: 12px 16px 6px; }
.card-summary { color: var(--text-light); font-size: 13px; margin: 0 16px 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-honor .card-img { height: 200px; object-fit: contain; padding: 10px; }
.empty { color: var(--text-light); padding: 24px 0; grid-column: 1 / -1; }

/* 内页 */
.page { padding: 28px 0 56px; }
.breadcrumb { font-size: 14px; color: var(--text-light); margin-bottom: 16px; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { margin: 0 8px; color: #c3ced9; }
.breadcrumb .current { color: var(--text); }
.page-title { font-size: 26px; margin: 0 0 18px; padding-bottom: 12px; border-bottom: 2px solid var(--border); }

/* 分类 Tab */
.cate-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 22px; }
.cate-tab { padding: 6px 16px; border: 1px solid var(--border); border-radius: 999px; font-size: 14px; color: var(--text-light); }
.cate-tab:hover { border-color: var(--primary); color: var(--primary); }
.cate-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.cate-tab.sub::before { content: "└ "; color: #c3ced9; }

/* 内容列表 */
.list { list-style: none; margin: 0; padding: 0; }
.list-item { border-bottom: 1px dashed var(--border); }
.list-link { display: flex; gap: 18px; padding: 18px 0; }
.list-thumb { width: 200px; height: 130px; object-fit: cover; border-radius: var(--radius); flex-shrink: 0; background: var(--bg-alt); }
.list-body { min-width: 0; }
.list-title { font-size: 18px; margin: 0 0 8px; }
.list-link:hover .list-title { color: var(--primary); }
.list-summary { color: var(--text-light); font-size: 14px; margin: 0 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-meta { color: #94a3b3; font-size: 13px; display: flex; gap: 14px; }
.list-meta .cate { color: var(--primary); }

/* 分页 */
.pagination { display: flex; align-items: center; gap: 8px; margin-top: 28px; flex-wrap: wrap; }
.page-total { color: var(--text-light); font-size: 14px; margin-right: 8px; }
.page-btn { min-width: 34px; height: 34px; padding: 0 12px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: var(--radius); font-size: 14px; color: var(--text); }
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.current { background: var(--primary); border-color: var(--primary); color: #fff; }

/* 详情 */
.detail-title { font-size: 28px; margin: 0 0 14px; }
.detail-meta { color: var(--text-light); font-size: 14px; display: flex; flex-wrap: wrap; gap: 16px; padding-bottom: 16px; border-bottom: 1px solid var(--border); }
.detail-meta .cate { color: var(--primary); }
.detail-content { padding: 22px 0; font-size: 16px; line-height: 1.9; }
.detail-content img { max-width: 100%; height: auto; margin: 12px 0; border-radius: var(--radius); }
.detail-content table { max-width: 100%; border-collapse: collapse; }
.detail-content td, .detail-content th { border: 1px solid var(--border); padding: 8px 12px; }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; padding: 12px 0; }
.gallery-img { width: 100%; height: 150px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--border); }
.params-table { width: 100%; border-collapse: collapse; margin: 18px 0; }
.params-table th, .params-table td { border: 1px solid var(--border); padding: 10px 14px; font-size: 15px; text-align: left; }
.params-table th { background: var(--bg-alt); width: 200px; color: var(--text); font-weight: 600; }
.detail-nav { display: flex; flex-direction: column; gap: 8px; margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--border); font-size: 15px; }
.detail-nav a { color: var(--primary); }
.detail-nav span { color: var(--text-light); }

/* 搜索 */
.search-form { display: flex; align-items: stretch; gap: 8px; }
.search-input { flex: 1 1 auto; min-width: 0; height: 36px; padding: 0 12px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 14px; color: var(--text); background: #fff; }
.search-input:focus { outline: none; border-color: var(--primary); }
.search-select { flex: 0 0 auto; height: 36px; padding: 0 8px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; color: var(--text); font-size: 14px; }
.search-btn { flex: 0 0 auto; height: 36px; padding: 0 18px; border: 0; border-radius: var(--radius); background: var(--primary); color: #fff; font-size: 14px; cursor: pointer; }
.search-btn:hover { background: var(--primary-dark); }

.header-search { width: 280px; margin-left: 12px; }
.header-search .search-form { gap: 6px; }
.header-search .search-input,
.header-search .search-select,
.header-search .search-btn { height: 34px; font-size: 13px; }
.header-search .search-select { padding: 0 6px; }
.header-search .search-btn { padding: 0 14px; }
/* 移动端搜索入口：桌面隐藏，≤768px 显示为紧凑链接 */
.header-search .search-link { display: none; }

.search-box { background: var(--bg-alt); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-bottom: 20px; }
.search-count { margin: 10px 0 0; color: var(--text-light); font-size: 14px; }
.search-empty { padding: 48px 0; text-align: center; color: var(--text-light); font-size: 15px; }
.search-list .ctype-tag { display: inline-block; margin-right: 8px; padding: 1px 8px; border-radius: 4px; background: var(--bg-alt); color: var(--text-light); font-size: 12px; font-weight: 400; vertical-align: 2px; }
.search-list .ctype-tag.ctype-product { background: rgba(29,111,223,.10); color: var(--primary); }
.search-list .ctype-tag.ctype-news { background: rgba(31,157,85,.12); color: #1f9d55; }

/* 搜索结果响应式 */
@media (max-width: 992px) {
  .header-search { width: 200px; }
}
@media (max-width: 768px) {
  .header-search { display: block; width: auto; margin-left: auto; }
  .header-search .search-form { display: none; }
  .header-search .search-link { display: inline-flex; align-items: center; height: 34px; padding: 0 12px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; color: var(--text); background: #fff; }
  .header-search .search-link:hover { border-color: var(--primary); color: var(--primary); }
  .search-form { flex-wrap: wrap; }
  .search-input { flex: 1 1 100%; }
  .search-select { flex: 1 1 auto; }
  .search-btn { flex: 1 1 auto; }
}

/* 404 */
.notfound { text-align: center; padding: 80px 0; }
.nf-code { font-size: 96px; margin: 0; color: var(--primary); }
.nf-text { color: var(--text-light); margin: 12px 0 24px; }
.btn { display: inline-block; padding: 10px 26px; background: var(--primary); color: #fff; border-radius: var(--radius); }
.btn:hover { background: var(--primary-dark); }

/* 页脚 */
.site-footer { border-top: 1px solid var(--border); margin-top: 40px; background: #fff; }
.footer-inner { padding: 28px 16px; text-align: center; color: var(--text-light); font-size: 14px; }
.footer-inner p { margin: 4px 0; }
.footer-inner a:hover { color: var(--primary); }

/* 响应式 */
@media (max-width: 992px) {
  .news-list { grid-template-columns: repeat(2, 1fr); }
  .card-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-block; }
  .main-nav { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); flex-direction: column; padding: 8px 16px; }
  .main-nav.open { display: flex; }
  .news-list, .card-grid { grid-template-columns: 1fr; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .list-link { flex-direction: column; }
  .list-thumb { width: 100%; height: 190px; }
  .hero-title { font-size: 30px; }
}