.bh-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px 32px;flex-wrap:wrap;margin:0 0 14px}.bh-head-t{flex:1 1 420px;min-width:0}.bh-head h1{margin:0 0 8px}.bh-head .cat-lede{margin:0;max-width:62ch}.bh-search{flex:0 1 340px;display:flex;align-items:center;gap:8px;min-height:46px;padding:0 14px;background:var(--bg-card);border:1px solid var(--border);border-radius:999px;color:var(--text-dim)}.bh-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-tint)}.bh-search input{flex:1 1 auto;min-width:0;border:0;background:none;font:inherit;color:var(--text);outline:none;min-height:44px}.bh-search input::placeholder{color:var(--text-dim)}.bh-chips{position:sticky;top:64px;z-index:30;display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin:0 -20px 18px;padding:10px 20px;background:var(--glass);backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid transparent;transition:border-color .15s}.bh-chips::-webkit-scrollbar{display:none}.bh-chip{flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--border);background:var(--bg-card);color:var(--text);font-size:.9rem;font-weight:700;text-decoration:none;transition:border-color .14s,background .14s,color .14s}.bh-chip .pv-icon{color:var(--tk)}.bh-chip:hover{border-color:var(--tk)}.bh-chip.on{background:var(--tk);border-color:var(--tk);color:var(--bg-card)}.bh-chip.on .pv-icon,.bh-chip.on .chip-n{color:var(--bg-card)}.bh-chip.on .chip-n{background:color-mix(in srgb,var(--bg-card) 22%,transparent)}.bh-chip .chip-n{margin-left:2px}.bh-chip:focus-visible{outline:3px solid var(--brand);outline-offset:2px}@media(pointer:coarse){.bh-chip{min-height:44px}}.bh-feature{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:18px;margin:0 0 34px}.bh-feature[hidden]{display:none}.bh-latest{display:flex;flex-direction:column;gap:10px;min-width:0}.bh-mini-h{font-size:.8rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase;color:var(--text-dim);margin:2px 0 2px 4px}.bh-topic{margin:0 0 38px;scroll-margin-top:132px}.bh-topic[hidden]{display:none}.bh-topic-head{display:flex;align-items:center;gap:14px;margin:0 0 16px}.bh-ic{flex:0 0 auto;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;color:var(--tk);background:color-mix(in srgb,var(--tk) 14%,var(--bg-card))}.bh-topic-t{flex:1 1 auto;min-width:0}.bh-topic-t h2{font-size:1.45rem;font-weight:900;letter-spacing:-.3px;margin:0;line-height:1.2}.bh-topic-t p{margin:2px 0 0;color:var(--text-dim);font-size:.95rem;line-height:1.45}.bh-topic-head .count{flex:0 0 auto;color:var(--text-dim);font-size:.82rem;font-weight:700;padding:4px 11px;border-radius:999px;background:var(--bg-card);border:1px solid var(--border)}.bh-grid{display:grid;grid-template-columns:repeat(var(--cols, 4),minmax(0,1fr));gap:18px}.bh-grid>[hidden]{display:none}.bh-grid .pc .pc-kicker{display:none}.bh-empty{text-align:center;padding:40px 16px 60px;color:var(--text-dim)}.bh-empty[hidden]{display:none}.bh-empty-h{font-size:1.2rem;font-weight:800;color:var(--text);margin:0 0 6px}.bh-empty .btn{margin-top:12px}@media(max-width:1100px){.bh-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:860px){.bh-feature{grid-template-columns:1fr}.bh-search{flex:1 1 100%}}@media(max-width:640px){.bh-grid{grid-template-columns:1fr;gap:10px}.bh-latest{display:none}.bh-feature{margin-bottom:26px}.bh-chips{margin-bottom:14px;padding-top:8px;padding-bottom:8px}.bh-topic{margin-bottom:28px;scroll-margin-top:124px}.bh-topic-head{gap:12px;margin-bottom:12px}.bh-ic{width:40px;height:40px;border-radius:12px}.bh-topic-t h2{font-size:1.2rem}.bh-topic-t p{font-size:.88rem}.bh-topic-head .count{display:none}}.post-head h1{font-size:clamp(1.7rem,4vw,2.4rem);line-height:1.15;margin:6px 0 12px}.post-lead{font-size:1.12rem;line-height:1.6;color:var(--text-dim);margin:0 0 10px}.post-meta{color:var(--text-dim);font-size:.9rem;margin:0 0 26px}.post-cover{width:100%;height:auto;border-radius:var(--radius);margin:0 0 26px;display:block}.post-body{font-size:1.06rem;line-height:1.8;color:var(--text)}.post-body h2{font-size:1.4rem;margin:38px 0 12px;line-height:1.25}.post-body h3{font-size:1.15rem;margin:28px 0 8px}.post-body p{margin:0 0 18px}.post-body ul,.post-body ol{padding-left:24px;margin:0 0 18px}.post-body li{margin:0 0 8px}.post-body a{color:var(--brand-2);text-decoration:underline}.post-body strong{color:var(--text)}.post-body blockquote{margin:0 0 18px;padding:4px 18px;border-left:3px solid var(--brand);color:var(--text-dim)}.post-body pre{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:14px 16px;overflow-x:auto;font-size:.95rem;line-height:1.5;margin:0 0 18px}.post-body code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}.post-body :not(pre)>code{background:var(--bg-card);border:1px solid var(--border);border-radius:6px;padding:1px 6px}.post-body table{border-collapse:collapse;width:100%;margin:0 0 18px;display:block;overflow-x:auto}.post-body th,.post-body td{border:1px solid var(--border);padding:8px 10px;text-align:left}.post-body img{max-width:100%;height:auto;border-radius:12px}.post-demo{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin:0 0 22px}.post-demo .demo-title{font-weight:700;margin:0 0 10px;line-height:1.4}.post-demo .demo-gap{margin-top:14px}.post-demo .demo-note{font-size:.92rem;line-height:1.55;color:var(--text-dim);margin:10px 0 0}.post-demo .demo-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:10px 0 0}.post-demo canvas{display:block;width:100%;height:auto;border-radius:12px;background:#111}.post-demo input[type=range]{width:100%;min-height:44px;accent-color:var(--brand)}.post-demo button{font:inherit;font-weight:600;min-height:44px;padding:8px 16px;border-radius:999px;border:0;background:var(--brand);color:#fff;cursor:pointer}.post-demo button:focus-visible,.post-demo label:focus-within{outline:2px solid var(--brand);outline-offset:2px}.post-demo .demo-strip{display:flex;flex-wrap:wrap;gap:3px;margin:6px 0 0}.post-demo .demo-strip span{width:13px;height:13px;border-radius:3px;background:var(--border)}.post-demo .demo-strip span.on{background:var(--accent)}.post-demo .demo-strip span.i{background:#1fb6d6}.post-demo .demo-strip span.dry{background:#f5a524}.post-demo .demo-stat{font-size:.95rem;margin:6px 0 0}.post-demo fieldset{border:0;padding:0;margin:0 0 12px}.post-demo legend{font-weight:600;margin:0 0 6px;padding:0;line-height:1.45}.post-demo fieldset label{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 14px;margin:0 6px 0 0;border:1px solid var(--border);border-radius:999px;cursor:pointer}.post-demo .demo-result{font-size:1.05rem;margin:4px 0 0;padding:12px 14px;border-radius:12px;background:var(--brand-tint)}.post-games,.post-faq{margin-top:40px}.post-react{margin:34px 0 0;padding:18px 20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);text-align:center}.post-react-q{font-weight:700;font-size:1.05rem;margin:0 0 12px}.post-react-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.post-react .btn{min-width:128px}.post-like.on{color:var(--accent);border-color:var(--accent)}.post-like.on svg path{fill:currentColor}.post-react-thanks{min-height:1.4em;margin:10px 0 0;font-size:.92rem;color:var(--text-dim)}.post-games h2,.post-faq h2{font-size:1.3rem;margin:0 0 14px}.post-more{margin-top:40px}.post-more h2{font-size:1.3rem;margin:0 0 14px}.post-more-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}@media(max-width:640px){.post-more-grid{grid-template-columns:1fr;gap:10px}}.post-back{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px}.post-back a{display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--border);background:var(--bg-card);color:var(--text);font-weight:700;text-decoration:none}.post-back a:hover{border-color:var(--brand);color:var(--brand)}.post-layout{max-width:800px;margin:0 auto;padding:0 20px}.post-head .post-kicker{color:var(--tk, var(--brand))}.post-head .post-kicker{font-weight:800;font-size:.78rem;letter-spacing:.07em;text-transform:uppercase}.post-toc{margin:0 0 26px;border:1px solid var(--border);border-radius:14px;background:var(--bg-card)}.post-toc summary{display:flex;align-items:center;gap:8px;min-height:48px;padding:0 16px;cursor:pointer;font-weight:800;list-style:none}.post-toc summary::-webkit-details-marker{display:none}.post-toc summary .pv-icon{color:var(--brand)}.post-toc-n{margin-left:auto;color:var(--text-dim);font-size:.85rem;font-weight:600}.post-toc ol{margin:0;padding:0 12px 12px;list-style:none;counter-reset:toc}.post-toc li{counter-increment:toc}.post-toc a{display:flex;gap:10px;padding:8px 10px;border-radius:10px;color:var(--text);text-decoration:none;font-size:.93rem;line-height:1.4;font-weight:600}.post-toc a:before{content:counter(toc);color:var(--text-dim);font-variant-numeric:tabular-nums;min-width:1.2em}.post-toc a:hover{background:var(--bg-soft)}.post-toc a.on{background:var(--brand-tint);color:var(--brand-ink)}.post-toc a.on:before{color:var(--brand-ink)}.post-body h2{scroll-margin-top:84px}.post-progress{position:sticky;top:64px;z-index:30;height:3px;margin-top:-3px;pointer-events:none}.post-progress span{display:block;height:100%;transform:scaleX(0);transform-origin:0 50%;background:linear-gradient(90deg,var(--brand),var(--accent))}@media(min-width:1300px){.post-layout.has-toc{max-width:1120px;display:grid;grid-template-columns:minmax(0,760px) 250px;column-gap:56px;grid-template-areas:"top toc" "main toc";align-items:start}.post-layout.has-toc>.post-top{grid-area:top}.post-layout.has-toc>.post-main{grid-area:main}.post-layout.has-toc>.post-toc{grid-area:toc;position:sticky;top:92px;margin:34px 0 0;max-height:calc(100vh - 120px);overflow:auto;background:none;border:0}.post-layout.has-toc .post-toc summary{pointer-events:none;padding:0 10px;min-height:36px}.post-layout.has-toc .post-toc-n{display:none}.post-layout.has-toc .post-toc ol{padding:0;border-left:2px solid var(--border)}.post-layout.has-toc .post-toc a{border-radius:0 10px 10px 0;margin-left:-2px;border-left:2px solid transparent}.post-layout.has-toc .post-toc a.on{border-left-color:var(--brand)}}