:root {
  --primary: #001383;
  --primary-light: #1a2fb0;
  --primary-dark: #00105f;
  --accent: #FF4C00;
  --accent-dark: #e34300;
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #1f2733;
  --text-light: #6b7686;
  --border: #e6eaf2;
  --shadow: 0 4px 18px rgba(0, 19, 131, 0.08);
  --maxw: 1200px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 15px;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 18px; }

/* ===== 顶部条 ===== */
.topbar { background: var(--primary-dark); color: #cdd6f5; font-size: 13px; }
.topbar .container { display: flex; justify-content: space-between; align-items: center; height: 38px; }
.topbar a:hover { color: #fff; }

/* ===== 页眉 ===== */
.header { background: #f5f7fa; color: var(--primary); box-shadow: var(--shadow); position: sticky; top: 0; z-index: 50; border-bottom: 1px solid var(--border); }
.header .container { display: flex; align-items: center; min-height: 74px; gap: 20px; padding: 10px 18px; flex-wrap: wrap; }
.logo { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 21px; color: var(--primary); white-space: nowrap; }
.logo-img { height: 46px; width: auto; flex: none; display: block; }
.logo .brand { display: flex; flex-direction: column; line-height: 1.15; }
.logo .brand small { font-size: 11px; font-weight: 400; color: #6b7686; letter-spacing: 2px; margin-top: 2px; }
.slogan { color: #6b7686; font-size: 13px; border-left: 2px solid var(--primary-light); padding-left: 12px; white-space: nowrap; }

.nav { margin-left: auto; display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 2px; }
.nav a { color: #334155; padding: 8px 12px; border-radius: 7px; font-size: 15px; transition: .15s; white-space: nowrap; }
.nav a:hover, .nav a.active { background: var(--primary); color: #fff; }
.nav-toggle { display: none; background: none; border: 1px solid var(--primary); color: var(--primary); border-radius: 6px; padding: 7px 11px; font-size: 18px; cursor: pointer; }

/* ===== 搜索框 ===== */
.searchbox { display: flex; }
.searchbox input { border: 1px solid var(--border); padding: 8px 12px; border-radius: 6px 0 0 6px; width: 160px; outline: none; font-size: 14px; background: #fff; }
.searchbox button { border: none; background: var(--accent); color: #fff; padding: 8px 14px; border-radius: 0 6px 6px 0; cursor: pointer; font-size: 14px; }

/* ===== 轮播 / 头条 ===== */
.hero { background: linear-gradient(120deg, var(--primary), var(--primary-light)); color: #fff; padding: 46px 0; }
.hero h1 { font-size: 30px; margin-bottom: 12px; }
.hero p { color: #c4ccf2; max-width: 680px; }
.hero .cta { display: inline-block; margin-top: 20px; background: var(--accent); color: #fff; padding: 11px 26px; border-radius: 8px; font-weight: 600; }
.hero .cta:hover { background: var(--accent-dark); }

/* ===== 区块 ===== */
.section { padding: 38px 0; }
.section-head { display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.section-head .bar { width: 5px; height: 24px; background: var(--accent); border-radius: 3px; }
.section-head h2 { font-size: 22px; color: var(--primary); }
.section-head .more { margin-left: auto; color: var(--text-light); font-size: 14px; }
.section-head .more:hover { color: var(--accent); }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }

/* 卡片 */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); transition: .18s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 28px rgba(0,19,131,.14); }
.card .body { padding: 16px; }
.card h3 { font-size: 16px; color: var(--primary); margin-bottom: 8px; line-height: 1.4; }
.card .meta { font-size: 12px; color: var(--text-light); }

/* 列表条目 */
.list { background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.list a { display: flex; align-items: center; gap: 12px; padding: 14px 18px; border-bottom: 1px solid var(--border); transition: .15s; }
.list a:last-child { border-bottom: none; }
.list a:hover { background: #f7f9ff; }
.list .tag { flex: none; font-size: 12px; color: #fff; background: var(--primary-light); padding: 3px 9px; border-radius: 4px; }
.list .tag.accent { background: var(--accent); }
.list .tt { flex: 1; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list a:hover .tt { color: var(--primary); }
.list .date { flex: none; color: var(--text-light); font-size: 13px; }

/* 侧栏 */
.sidebar .box { background: var(--card); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 18px; box-shadow: var(--shadow); }
.sidebar .box .hd { background: var(--primary); color: #fff; padding: 11px 16px; font-weight: 600; border-radius: 12px 12px 0 0; }
.sidebar .box .bd { padding: 12px 16px; }
.sidebar .box .bd a { display: block; padding: 7px 0; border-bottom: 1px dashed var(--border); color: var(--text); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar .box .bd a:last-child { border-bottom: none; }
.sidebar .box .bd a:hover { color: var(--accent); }

/* 文章详情 */
.article-wrap { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 34px 40px; box-shadow: var(--shadow); }
.article-wrap h1 { font-size: 26px; color: var(--primary); text-align: center; line-height: 1.5; margin-bottom: 14px; }
.article-meta { text-align: center; color: var(--text-light); font-size: 13px; padding-bottom: 16px; border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.article-content { font-size: 16px; line-height: 2; color: #2b3442; }
.article-content p { margin-bottom: 14px; }
.article-content img { max-width: 100%; height: auto; border-radius: 6px; margin: 10px 0; }
.article-content table { border-collapse: collapse; width: 100%; margin: 14px 0; }
.article-content td, .article-content th { border: 1px solid var(--border); padding: 8px 10px; }
/* 公告正文标题层级 */
.article-content h3.ann-h { font-size: 19px; color: var(--primary); margin: 22px 0 10px; }
.article-content h4.ann-h { font-size: 16px; color: var(--primary); font-weight: 600; margin: 16px 0 6px; }
.article-content .ann-content { line-height: 2; }
.article-content p { text-align: justify; }

/* 面包屑 */
.crumb { font-size: 13px; color: var(--text-light); margin-bottom: 16px; }
.crumb a:hover { color: var(--accent); }

/* 分页 */
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 26px; }
.pager a, .pager span { padding: 8px 14px; border: 1px solid var(--border); border-radius: 6px; background: #fff; color: var(--text); }
.pager a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.pager .cur { background: var(--primary); color: #fff; border-color: var(--primary); }

/* 过滤条 */
.filterbar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.filterbar a { padding: 7px 15px; border: 1px solid var(--border); border-radius: 20px; background: #fff; font-size: 14px; color: var(--text-light); }
.filterbar a.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.filterbar a:hover { border-color: var(--accent); color: var(--accent); }

/* 空状态 */
.empty { text-align: center; color: var(--text-light); padding: 50px 0; }

/* 页脚 */
.footer { background: var(--primary-dark); color: #b9c2ec; margin-top: 40px; padding: 36px 0 22px; font-size: 14px; }
.footer .cols { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; }
.footer h4 { color: #fff; margin-bottom: 12px; font-size: 16px; }
.footer a:hover { color: #fff; }
.footer .copy { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 14px; align-items: center; margin-top: 26px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); color: #8b96c8; font-size: 13px; }
.footer .copy .beian-link { color: #cdd6f5; text-decoration: none; }
.footer .copy .beian-link:hover { color: #fff; }
.footer .copy .gongan-beian { display: inline-flex; align-items: center; }
.footer .copy .gongan-beian img,
.footer .copy .gongan-beian svg { vertical-align: middle; margin-right: 4px; height: 16px; width: auto; }
.footer .copy .gongan-beian a { color: #cdd6f5; text-decoration: none; }
.footer .copy .gongan-beian a:hover { color: #fff; }

/* 响应式 */
@media (max-width: 900px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .footer .cols { grid-template-columns: 1fr; }
  .nav { display: none; position: absolute; top: 74px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 10px; gap: 2px; box-shadow: 0 8px 18px rgba(0,0,0,.08); }
  .nav.open { display: flex; }
  .nav a { color: var(--primary); }
  .nav a:hover, .nav a.active { background: var(--primary); color: #fff; }
  .nav-toggle { display: block; }
  .slogan, .searchbox { display: none; }
  .article-wrap { padding: 22px 16px; }
}