:root{--paper:#F3E8D4;--deep:#E2D2B4;--content:#FBF3E4;--sub:#EDE0C8;--ink:#1A140A;--text:#2C2214;--muted:#5C4A30;--aux:#7C6844;--gold:#7A5A20;--copper:#B88838;--line:rgba(26,20,10,.12);--line-strong:rgba(122,90,32,.50);--shadow:0 12px 28px rgba(26,20,10,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.site-head{position:fixed;inset:0 0 auto;z-index:60}.old-edge{height:20px;background:var(--ink);color:var(--copper);font-size:12px}.head-inner{max-width:960px;margin:auto;padding:0 16px}.edge-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.text-button{border:0;background:transparent;color:var(--copper);padding:0 4px;min-height:20px}.copper-head{height:54px;background:var(--content);border-bottom:1px solid var(--line-strong)}.brand-row{height:54px;display:flex;align-items:center;justify-content:space-between}.brand-link{min-width:44px;min-height:44px;display:flex;align-items:center}.site-logo{height:24px;max-width:140px;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:800;color:var(--ink)}.brand-actions{display:flex;align-items:center;gap:8px}.app-link,.drawer-open{height:44px;display:inline-flex;align-items:center;justify-content:center;padding:0 14px;border-radius:9px;font-size:14px}.app-link{border:1px solid var(--gold);background:var(--content);color:var(--ink)}.drawer-open{border:0;background:linear-gradient(135deg,#1A140A 0%,#B88838 100%);color:var(--content)}.copper-dots{height:42px;background:var(--content);display:flex;justify-content:center;gap:38px;border-bottom:1px solid var(--line)}.dot-link{height:42px;min-width:48px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:13px;line-height:1.15;color:var(--muted)}.dot{width:8px;height:8px;border-radius:50%;border:1px solid var(--ink);margin-bottom:4px;background:transparent}.dot-link.active .dot{background:var(--copper);border-color:var(--copper)}.site-main{max-width:960px;margin:0 auto;padding:136px 16px 56px}.page-shell{display:flex;flex-direction:column;gap:24px}.hero-copy{padding:28px 0 8px}.hero-copy h1,.page-intro h1{font-size:24px;line-height:1.3;margin:0 0 14px;color:var(--ink)}h2{font-size:20px;line-height:1.4;color:var(--ink)}h3{font-size:16px;line-height:1.4;color:var(--ink)}p{margin:0 0 12px}.lede{font-size:18px;font-weight:700;color:var(--gold);margin-bottom:12px}.intro-dots{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:18px}.intro-dots a{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:7px}.intro-dots 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var(--line)}.drawer-brand{display:flex;align-items:center;gap:8px}.close-button{min-width:44px;min-height:44px;border:0;background:transparent;color:var(--gold)}.drawer-scroll{max-height:325px;overflow-y:auto;padding:12px}.drawer-scroll section+section{margin-top:12px}.drawer-scroll h2{font-size:13px;margin:0 0 6px;color:var(--gold)}.drawer-scroll a{display:block;padding:8px;border-radius:8px}.drawer-scroll a:hover{background:var(--sub)}.drawer-scroll strong,.drawer-scroll span{display:block}.drawer-scroll span{font-size:12px;color:var(--muted);line-height:1.5}.search-panel{position:fixed;inset:74px 0 auto;z-index:85;visibility:hidden;opacity:0;pointer-events:none;transition:.2s}.search-panel.open{visibility:visible;opacity:1;pointer-events:auto}.search-card{max-width:720px;margin:auto;background:var(--content);border:1px solid var(--line-strong);box-shadow:var(--shadow);border-radius:0 0 12px 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