:root{--ground:#EDF0F3;--surface:#FFFFFF;--ink:#131A21;--ink-soft:#56646F;--ink-faint:#8695A1;--rule:#D3DAE1;--accent:#0C6E6D;--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;--mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,monospace}@media (prefers-color-scheme:dark){:root{--ground:#0D1317;--surface:#151D23;--ink:#E3E9EE;--ink-soft:#94A3AF;--ink-faint:#6C7C88;--rule:#27333B;--accent:#45BDB6}}*{box-sizing:border-box}body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--sans);line-height:1.6}main{max-width:940px;margin:0 auto;padding:40px 24px 80px}.player{width:100%;background:#000;border-radius:8px;border:1px solid var(--rule);aspect-ratio:16/9;display:block}h1{font-size:22px;letter-spacing:-.015em;margin:20px 0 4px}.meta{font-family:var(--mono);font-size:12.5px;color:var(--ink-faint);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.notice{padding:40px 24px;text-align:center;color:var(--ink-soft);background:var(--surface);border:1px solid var(--rule);border-radius:8px}.head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.button{flex:0 0 auto;margin-top:22px;display:inline-block;padding:9px 18px;border-radius:6px;background:var(--accent);color:#fff;font-size:14px;font-weight:560;text-decoration:none}.button:hover{filter:brightness(1.08)}.button:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.meta.warn{margin-top:18px;color:var(--ink-soft)}.prose{max-width:720px}.prose h1{font-size:30px;margin:0 0 4px;letter-spacing:-.02em}.prose h2{font-size:17px;margin:32px 0 8px;letter-spacing:-.01em}.prose p{margin:0 0 14px}.prose ul{margin:0 0 16px;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:7px}.prose ul li{position:relative;padding-left:18px}.prose ul li:before{content:"";position:absolute;left:2px;top:.66em;width:5px;height:5px;border-radius:50%;background:var(--ink-faint)}.prose a{color:var(--accent)}.tbl-wrap{overflow-x:auto;margin:0 0 16px;border:1px solid var(--rule);border-radius:6px;background:var(--surface)}.tbl-wrap table{border-collapse:collapse;width:100%;font-size:14px}.tbl-wrap td,.tbl-wrap th{text-align:left;padding:9px 13px;border-bottom:1px solid var(--rule);vertical-align:top}.tbl-wrap thead th{font-size:12px;color:var(--ink-soft);background:var(--ground);white-space:nowrap}.tbl-wrap tbody tr:last-child td{border-bottom:none}