:root{
  --bg:#f6f7f9;
  --paper:#ffffff;
  --ink:#202428;
  --muted:#59636e;
  --link:#1266b0;
  --line:#d8dee6;
  --soft:#eef5ff;
  --red:#d93652;
  --blue:#2477c7;
  --gold:#b98211;
  --green:#277a4d;
  --shadow:0 12px 30px rgba(21,35,55,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;line-height:1.62}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{background:#111827;color:#fff;border-bottom:4px solid var(--red)}
.site-header-inner{width:min(1220px,94vw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.brand{font-weight:900;letter-spacing:.04em;color:#fff;text-transform:uppercase}.brand span{color:#ff4564}
.toplinks{display:flex;flex-wrap:wrap;gap:10px}.toplinks a{color:#fff;border:1px solid rgba(255,255,255,.2);border-radius:999px;padding:8px 12px;background:rgba(255,255,255,.06);font-weight:700}.toplinks a:hover{background:rgba(255,255,255,.13);text-decoration:none}
.shell{width:min(1220px,94vw);margin:22px auto 60px;display:grid;grid-template-columns:260px minmax(0,1fr);gap:22px;align-items:start}
.sidebar{position:sticky;top:14px;background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:16px}
.sidebar h2{font-size:1rem;margin:0 0 10px}.sidebar ul{list-style:none;margin:0;padding:0}.sidebar li{border-top:1px solid var(--line)}.sidebar li:first-child{border-top:0}.sidebar a{display:block;padding:9px 0;font-size:.95rem}
.searchbox{width:100%;border:1px solid var(--line);border-radius:10px;padding:10px 11px;margin:6px 0 14px;font-size:1rem}
.content{min-width:0}.hero,.article{background:var(--paper);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:28px;margin-bottom:18px}
.kicker{margin:0 0 8px;color:var(--gold);font-weight:900;text-transform:uppercase;letter-spacing:.1em;font-size:.78rem}.hero h1,.article h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.06;margin:0 0 12px;letter-spacing:-.04em}.subtitle{font-size:1.12rem;color:var(--muted);max-width:900px}.notice{border-left:5px solid var(--gold);background:#fff8e5;padding:13px 16px;border-radius:12px;color:#57400c}
.index-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px;margin:18px 0}.topic-card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:var(--shadow)}.topic-card h3{margin:0 0 8px}.topic-card p{color:var(--muted);font-size:.96rem}.tag{display:inline-flex;border-radius:999px;padding:3px 8px;font-size:.75rem;font-weight:800;color:#7b1b2a;background:#ffe8ed;margin-bottom:8px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:20px}.infobox{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:14px;height:max-content}.infobox h2{font-size:1rem;margin:0 0 10px}.infobox dl{margin:0}.infobox dt{font-weight:900;color:#34404c}.infobox dd{margin:0 0 10px;color:var(--muted)}
.toc{background:#f8fafc;border:1px solid var(--line);border-radius:14px;padding:14px;margin:16px 0}.toc strong{display:block;margin-bottom:8px}.toc ol{margin:0;padding-left:1.3rem}
.article-section{border-top:1px solid var(--line);padding-top:16px;margin-top:18px}.article-section h2{font-size:1.55rem;line-height:1.2;margin:0 0 10px}.article-section h3{font-size:1.15rem}.article-section p,.article-section li,.article-section dd{color:#3e4a56}.article-section dt{font-weight:900;color:#111827;margin-top:10px}.article-section details{background:#f8fafc;border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin:8px 0}.article-section summary{font-weight:900;cursor:pointer}
.glossary{columns:2;column-gap:24px}.glossary-entry{break-inside:avoid;border-bottom:1px solid var(--line);padding:8px 0}.glossary-entry strong{display:block;color:#111827}.glossary-entry span{color:var(--muted);font-size:.92rem}
.footer{width:min(1220px,94vw);margin:0 auto 30px;color:var(--muted);font-size:.92rem;border-top:1px solid var(--line);padding-top:18px}
.print-note{font-size:.9rem;color:var(--muted)}.button{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:#111827;color:#fff;padding:10px 14px;font-weight:900;border:1px solid #111827}.button:hover{text-decoration:none;background:#263244}
@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{position:relative;top:0}.article-layout{grid-template-columns:1fr}.glossary{columns:1}.site-header-inner{align-items:flex-start;flex-direction:column}}
@media print{.site-header,.sidebar,.toplinks,.button{display:none}.shell{display:block;width:100%;margin:0}.hero,.article{box-shadow:none;border:0}.footer{width:100%}body{background:#fff;color:#000}}