:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --line:#dbe3ee;
  --text:#1f2937;
  --muted:#5b6470;
  --brand:#0f4c81;
  --brand2:#1c6fb8;
  --soft:#eef4fb;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.7;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.container{width:min(1120px,92vw);margin:0 auto}
.topbar{background:#0e2740;color:#dbe8f4;font-size:13px}
.topbar .container{padding:8px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand img{width:70px;height:70px;object-fit:contain;border-radius:14px;background:#111;padding:4px;box-shadow:0 8px 20px rgba(15,76,129,.12)}
.brand-text{min-width:0}
.brand-title{font-size:24px;line-height:1.25;font-weight:800;margin:0;color:#10263d}
.brand-sub{font-size:13px;color:var(--muted);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}
.nav a{font-weight:600;color:#203247}
.hero{padding:46px 0 28px;background:linear-gradient(180deg,#ffffff 0%,#f2f7fc 100%)}
.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:22px;align-items:stretch}
.panel{background:var(--card);border:1px solid var(--line);border-radius:20px;box-shadow:0 10px 30px rgba(15,76,129,.05)}
.hero-main{padding:30px}
.kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:var(--soft);color:var(--brand);font-size:13px;font-weight:700}
.hero h1{font-size:40px;line-height:1.2;margin:16px 0 14px;color:#10263d}
.hero p{font-size:17px;color:#374151;margin:0 0 14px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:11px 18px;border-radius:12px;font-weight:700;border:1px solid var(--brand)}
.btn.primary{background:var(--brand);color:#fff}
.btn.secondary{background:#fff;color:var(--brand)}
.hero-side{padding:24px}
.hero-side h3{margin:0 0 14px;font-size:18px;color:#10263d}
.quick-list{display:grid;gap:12px}
.quick-item{padding:14px;border:1px solid var(--line);border-radius:14px;background:#fbfdff}
.quick-item strong{display:block;font-size:15px;margin-bottom:4px}
.section{padding:28px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:16px}
.section-head h2{margin:0;font-size:30px;color:#10263d}
.section-head p{margin:0;color:var(--muted)}
.grid-3,.grid-4,.article-grid,.footer-grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.article-grid{grid-template-columns:2fr 1fr}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 26px rgba(15,76,129,.04)}
.card h3,.card h4{margin:0 0 10px;color:#10263d}
.card p{margin:0;color:#425064}
.meta{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin:10px 0 12px}
.list{padding-left:18px;margin:0}
.list li{margin:8px 0;color:#425064}
.highlight{background:#f8fbff;border-left:4px solid var(--brand);padding:15px 16px;border-radius:12px}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{padding:12px 10px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
th{color:#10263d;background:#f8fbff}
.article-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:12px;box-shadow:0 10px 26px rgba(15,76,129,.04)}
.article-card h3{margin:0;color:#10263d;font-size:22px;line-height:1.35}
.article-card p{margin:0;color:#425064}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{display:inline-flex;padding:5px 10px;border-radius:999px;background:var(--soft);color:var(--brand);font-size:12px;font-weight:700}
.sidebar-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px}
.sidebar-box h3{margin:0 0 12px;color:#10263d}
.sidebar-box ul{padding-left:18px;margin:0}
.sidebar-box li{margin:8px 0;color:#425064}
.breadcrumb{font-size:13px;color:var(--muted);padding:16px 0 0}
.page-title{padding:18px 0 8px}
.page-title h1{margin:0 0 8px;font-size:34px;color:#10263d;line-height:1.25}
.page-title p{margin:0;color:var(--muted)}
.content{padding:14px 0 50px}
.content-wrap{display:grid;grid-template-columns:minmax(0,2fr) 320px;gap:22px;align-items:start}
.article-body{background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;box-shadow:0 10px 30px rgba(15,76,129,.04)}
.article-body h2{font-size:28px;color:#10263d;margin:26px 0 12px}
.article-body h3{font-size:22px;color:#10263d;margin:24px 0 10px}
.article-body p{margin:0 0 14px;color:#374151}
.article-body ul,.article-body ol{padding-left:20px;color:#374151}
.article-body li{margin:8px 0}
.note{padding:14px 16px;background:#f8fbff;border:1px solid #d7e7fa;border-radius:14px;color:#214a6d}
.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
.article-nav a{display:block;padding:16px 18px;background:#f8fbff;border:1px solid var(--line);border-radius:14px;color:#1c3754;font-weight:700}
.footer{background:#0e2740;color:#dbe8f4;margin-top:20px}
.footer-grid{grid-template-columns:1.4fr .9fr .9fr;padding:34px 0 24px}
.footer h3,.footer h4{color:#fff;margin:0 0 10px}
.footer p,.footer li,.footer a{color:#dbe8f4}
.footer ul{padding-left:18px;margin:0}
.footer-bottom{padding:14px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#c9d8e6}
.notice-strip{padding:12px 16px;border:1px solid #d6e4f2;border-radius:14px;background:#f8fbff;color:#214a6d;font-size:14px}
@media (max-width:980px){
  .hero-grid,.article-grid,.content-wrap,.grid-3,.grid-4,.footer-grid{grid-template-columns:1fr}
  .header-inner{align-items:flex-start;flex-direction:column}
  .nav{justify-content:flex-start}
  .hero h1{font-size:32px}
}
@media (max-width:640px){
  .brand img{width:58px;height:58px}
  .brand-title{font-size:20px}
  .hero{padding-top:28px}
  .hero h1{font-size:28px}
  .hero-main,.hero-side,.card,.article-card,.sidebar-box,.article-body{padding:20px}
  .page-title h1{font-size:28px}
  .article-nav{grid-template-columns:1fr}
}