:root{--ink:#18242e;--muted:#64717b;--paper:#fbfaf6;--line:#d8ddd9;--accent:#1c5d52;--warm:#efe9db;--danger:#8b4a39;font-family:"Noto Sans SC","PingFang SC",system-ui,sans-serif;color:var(--ink);background:var(--paper)}*{box-sizing:border-box}body{margin:0;line-height:1.7}a{color:var(--accent);text-underline-offset:.18em}header,footer{background:#fff;border-bottom:1px solid var(--line)}footer{border-top:1px solid var(--line);border-bottom:0;margin-top:5rem}.wrap{width:min(1120px,calc(100% - 2rem));margin:auto}.top{display:flex;gap:1.2rem;align-items:center;min-height:4.5rem}.brand{font-weight:750;text-decoration:none;color:var(--ink);white-space:nowrap}.nav{display:flex;gap:1rem;flex-wrap:wrap;margin-left:auto}.hero{padding:5rem 0 3rem}.kicker,.eyebrow{color:var(--accent);letter-spacing:.08em;font-size:.86rem}.hero h1{font-family:Georgia,"Songti SC",serif;font-size:clamp(2.15rem,6vw,4.8rem);line-height:1.12;max-width:15ch;margin:.5rem 0 1.2rem}.lead{font-size:1.12rem;max-width:46rem;color:#3c4951}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));gap:1rem}.card,.panel,.fact,.component,.knowledge-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:1.2rem}.card{text-decoration:none;color:inherit}.card:hover{border-color:var(--accent)}main section{margin:3.5rem 0}h2{font-family:Georgia,"Songti SC",serif;font-size:1.75rem}.draft{border-left:4px solid #b98b41;background:#fff7e7;padding:1rem}.facts{display:grid;gap:.8rem}.fact-source{font-size:.75rem;border:0;background:none;color:var(--accent);cursor:pointer}.fact details{margin-top:.6rem;color:var(--muted);font-size:.88rem}.fact-stale{color:var(--muted)}.fact-stale [data-fact-value]{text-decoration:line-through}.compare-scroll{overflow-x:auto}.compare-table{border-collapse:collapse;min-width:640px;width:100%}.compare-table th,.compare-table td{border:1px solid var(--line);padding:.65rem;text-align:left}.compare-table th:first-child,.compare-table td:first-child{position:sticky;left:0;background:#fff}.guide{border-left:2px solid var(--accent);padding-left:1rem}.cta{display:inline-block;padding:.75rem 1rem;background:var(--accent);color:white;text-decoration:none;border-radius:8px}.cta.fallback{background:transparent;color:var(--accent);border:1px solid var(--accent)}.footer-grid{padding:2.5rem 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(12rem,1fr));gap:2rem}.footer-grid ul{list-style:none;padding:0}.metadata{color:var(--muted);font-size:.88rem}.checklist label{display:block;padding:.7rem 0;border-bottom:1px solid var(--line)}.answer-body{max-width:760px}.cards-link{display:block;text-decoration:none;color:inherit}.error-code{font-size:clamp(5rem,25vw,12rem);line-height:1;color:var(--warm)}@media(max-width:760px){.nav{display:none}.hero{padding-top:3rem}.wrap{width:min(100% - 1.2rem,1120px)}.compare-scroll{max-width:100%}.footer-grid{grid-template-columns:1fr}.hero h1{font-size:2.5rem}}.home-table{min-width:520px}.home-table [data-fact-value],.home-lede [data-fact-value]{font-family:"SFMono-Regular",Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;font-weight:600}.home-table .fact{display:inline}.home-table details{font-size:.8rem;max-width:22rem;white-space:normal}.small-sample{display:inline-block;margin-left:.3rem;padding:0 .35rem;border:1px solid var(--danger);border-radius:4px;color:var(--danger);font-size:.75rem}.sort-btn{font:inherit;font-weight:650;background:none;border:0;padding:0;cursor:pointer;color:var(--ink);text-align:left}.sort-btn::after{content:" ↕";color:var(--muted);font-size:.8em}[aria-sort=ascending] .sort-btn::after{content:" ↑";color:var(--accent)}[aria-sort=descending] .sort-btn::after{content:" ↓";color:var(--accent)}.en{color:var(--muted);font-size:.85em}.home-crumbs{font-size:.9rem;color:var(--muted);margin-bottom:1rem}.home-lede .para{font-size:1.06rem}.home-page .para{margin:1em 0}:is(.home-page,.home-table) .fact{padding:0 .15rem;border:0;border-bottom:1px dotted var(--accent);border-radius:0;background:none}:is(.home-page,.home-table) .fact details:not([open]){display:none}:is(.home-page,.home-table) .fact details[open]{display:block;margin:.4rem 0;padding:.6rem;background:#fff;border:1px solid var(--line);border-radius:8px}:is(.home-page,.home-table) .fact details summary{display:none}.fact-source-group{display:inline}.fact-source-group details:not([open]){display:none}.fact-source-group details[open]{display:block;margin:.4rem 0;padding:.6rem;background:#fff;border:1px solid var(--line);border-radius:8px;color:var(--muted);font-size:.85rem;max-width:32rem;white-space:normal}.fact-source-group details summary{display:none}.table-source{color:var(--muted);font-size:.85rem;margin:.4rem 0}.home-opener .para{font-size:1.08rem;border-left:3px solid var(--accent);padding-left:.9rem;margin:0 0 1.2rem}
.site-audio [data-sa-time]{white-space:nowrap;display:inline-block}.site-audio-list{margin:18px 0 22px;border:1px solid rgba(127,127,127,.45);border-radius:12px;padding:4px 16px 12px}.site-audio-list-head{margin:10px 0 2px;font-weight:700}.site-audio-list .site-audio{margin:0!important;padding:12px 0 6px!important;border:0!important;border-radius:0!important;border-top:1px solid var(--line)!important}.site-audio-list .site-audio:first-of-type{border-top:0!important}
.site-audio a[download]{display:inline-block;padding:10px 0;min-height:40px}
.fact-source{position:relative}.fact-source::after{content:"";position:absolute;inset:-12px -8px}
.era-type-switch{display:flex;gap:.5rem;flex-wrap:wrap;margin:0 0 1.2rem}.era-type-switch a{flex:1 1 9rem;text-align:center;padding:.6rem .8rem;border:1px solid var(--accent);border-radius:8px;text-decoration:none;min-height:44px}.era-type-switch a[aria-current=page]{background:var(--accent);color:#fff}.era-jump{display:flex;gap:.4rem;flex-wrap:wrap;font-size:.9rem;margin:.6rem 0 0}.era-jump a{padding:.25rem .6rem;border:1px solid var(--line);border-radius:999px;text-decoration:none;min-height:32px}.era-basis{color:var(--muted);font-size:.9rem;border-left:3px solid var(--warm);padding-left:.7rem}.era-entry{display:flex;gap:.6rem;flex-wrap:wrap}