:root {
  --navy:#081728;
  --navy-2:#0d2239;
  --ink:#102033;
  --muted:#607083;
  --line:#dfe6ee;
  --soft:#f5f8fb;
  --white:#fff;
  --accent:#d7b45a;
  --accent-2:#f0d88f;
  --shadow:0 14px 35px rgba(8,23,40,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.55}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.topbar{height:72px;background:var(--navy);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 clamp(18px,4vw,54px);border-bottom:1px solid rgba(255,255,255,.09)}
.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-mark{width:42px;height:42px;border:1px solid rgba(255,255,255,.35);border-radius:12px;display:grid;place-items:center;font-weight:900;letter-spacing:-.04em}.brand-copy{display:flex;flex-direction:column;line-height:1.05}.brand-copy strong{font-size:17px}.brand-copy small{font-size:12px;color:#c8d2dc;margin-top:4px}.back-link{font-size:14px;color:#d7e0e8}.back-link:hover{color:#fff}
.hero{background:linear-gradient(180deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:54px 20px 64px}.hero-inner{max-width:920px;margin:0 auto;text-align:center}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:800;color:var(--accent-2);margin:0 0 12px}.hero h1{font-size:clamp(34px,6vw,56px);line-height:1.04;margin:0;letter-spacing:-.04em}.hero-copy{max-width:710px;margin:18px auto 28px;color:#cbd5df;font-size:17px}.search-wrap{margin:0 auto;max-width:720px;background:#fff;border:1px solid rgba(255,255,255,.2);border-radius:16px;display:flex;align-items:center;padding:0 16px;box-shadow:0 18px 46px rgba(0,0,0,.18);color:#758498}.search-wrap>span{font-size:25px;line-height:1}.search-wrap input{width:100%;height:58px;border:0;outline:0;padding:0 14px;color:var(--ink);font-size:16px;background:transparent}.search-wrap kbd{font-size:12px;border:1px solid #d8dee5;background:#f4f6f8;border-radius:6px;padding:2px 7px;color:#7b8794}.search-status{min-height:22px;margin-top:10px;color:#b9c6d2;font-size:13px}
.layout{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:220px minmax(0,1fr);gap:46px;padding:50px 24px 70px}.sidebar{position:sticky;top:22px;align-self:start}.sidebar-title{text-transform:uppercase;letter-spacing:.12em;font-weight:800;font-size:11px;color:#8a98a7;margin-bottom:12px}.sidebar nav{display:flex;flex-direction:column;gap:3px}.sidebar a{padding:9px 10px;border-radius:9px;font-size:14px;color:#526273}.sidebar a:hover,.sidebar a.active{background:var(--soft);color:var(--navy);font-weight:700}.content-shell{min-width:0}.category-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.category-card{border:1px solid var(--line);border-radius:18px;padding:24px;background:#fff;box-shadow:0 5px 16px rgba(8,23,40,.025)}.category-card h2{margin:0 0 6px;font-size:20px;letter-spacing:-.02em}.category-card>p{margin:0 0 16px;color:var(--muted);font-size:14px}.article-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}.article-list li{border-top:1px solid #edf1f5}.article-list li:first-child{border-top:0}.article-list a{display:flex;justify-content:space-between;gap:12px;padding:11px 0;color:#203348;font-size:14px}.article-list a:hover{color:#000}.article-list a span:last-child{color:#96a2ae}.search-results{margin-bottom:30px}.search-results h2{margin:0 0 6px}.search-results>p{color:var(--muted);margin-top:0}.result-card{display:block;border-bottom:1px solid var(--line);padding:16px 4px}.result-card small{color:#8a98a7;text-transform:uppercase;letter-spacing:.08em;font-weight:700}.result-card strong{display:block;font-size:17px;margin:4px 0}.result-card p{margin:0;color:var(--muted);font-size:14px}
.article-view{padding:0 24px 80px}.article-wrap{max-width:820px;margin:0 auto}.breadcrumbs{display:flex;gap:9px;flex-wrap:wrap;padding:28px 0 24px;font-size:13px;color:#718093}.breadcrumbs a:hover{color:var(--navy)}article{padding:28px 0}.article-kicker{text-transform:uppercase;letter-spacing:.11em;font-size:11px;font-weight:800;color:#8b6e23;margin:0 0 10px}.article-view h1{font-size:clamp(32px,6vw,48px);line-height:1.08;letter-spacing:-.035em;margin:0 0 14px}.article-summary{font-size:19px;color:#5b6b7b;margin:0 0 34px}.article-body h2{font-size:24px;letter-spacing:-.02em;margin:36px 0 10px}.article-body h3{font-size:18px;margin:26px 0 8px}.article-body p{margin:0 0 16px}.article-body ol,.article-body ul{padding-left:23px;margin:12px 0 20px}.article-body li{margin:7px 0}.article-body .note,.article-body .tip{border:1px solid var(--line);border-left:4px solid var(--accent);background:#faf9f5;border-radius:10px;padding:15px 17px;margin:22px 0}.article-body .note strong,.article-body .tip strong{display:block;margin-bottom:3px}.article-body code{background:#f1f4f7;border-radius:5px;padding:2px 5px;font-size:.92em}.article-footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:24px;color:#6b7988;font-size:13px}.article-footer a{font-weight:750;color:var(--navy)}
.site-footer{border-top:1px solid var(--line);min-height:76px;padding:20px clamp(20px,4vw,54px);display:flex;align-items:center;justify-content:space-between;gap:20px;color:#6d7b89;font-size:13px}.site-footer nav{display:flex;gap:18px}.site-footer a:hover{color:var(--navy)}
@media (max-width:860px){.layout{grid-template-columns:1fr;padding-top:30px}.sidebar{position:static}.sidebar nav{flex-direction:row;overflow:auto;padding-bottom:4px}.sidebar a{white-space:nowrap;background:var(--soft)}.category-grid{grid-template-columns:1fr}.article-footer{flex-direction:column}.back-link{display:none}}
@media (max-width:520px){.topbar{height:64px}.brand-mark{width:38px;height:38px}.hero{padding:40px 16px 48px}.search-wrap input{height:54px}.layout{padding:28px 16px 54px}.category-card{padding:20px}.article-view{padding:0 18px 60px}.site-footer{align-items:flex-start;flex-direction:column}.site-footer nav{flex-wrap:wrap}}