:root{--bg:#f8fafc;--fg:#0f172a;--mut:#475569;--card:#fff;--line:#e2e8f0;--pri:#4f46e5;--priBg:#eef2ff}
@media (prefers-color-scheme:dark){:root{--bg:#0f172a;--fg:#e2e8f0;--mut:#94a3b8;--card:#1e293b;--line:#334155;--pri:#818cf8;--priBg:#312e81}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.5 system-ui,-apple-system,"Segoe UI","Hiragino Sans","Microsoft YaHei",sans-serif}
.top{display:flex;align-items:center;gap:10px;padding:10px 14px;padding-top:max(10px,env(safe-area-inset-top));border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:5}
.sp{flex:1}
button{font:inherit;color:inherit;cursor:pointer;min-height:36px;padding:4px 12px;border-radius:8px;border:1px solid var(--line);background:var(--card)}
button:hover{border-color:var(--pri)}
button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--pri);outline-offset:2px}
button.ghost{background:transparent}
button.pri{background:var(--pri);color:#fff;border-color:var(--pri)}
button.on{background:var(--priBg);border-color:var(--pri)}
button:disabled{opacity:.45;cursor:default}
main{padding:14px;max-width:960px;margin:0 auto}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.card{display:block;text-align:left;padding:16px;border-radius:14px;border:1px solid var(--line);background:var(--card);text-decoration:none;color:inherit}
.card:hover{border-color:var(--pri)}
.card .ic{font-size:40px;line-height:1}
.card h3{margin:8px 0 2px;font-size:17px}
.card p{margin:0;color:var(--mut);font-size:13px}
.note{color:var(--mut);font-size:13px;margin-top:18px}
.row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0}
.mut{color:var(--mut);font-size:13px}
details.set{border:1px solid var(--line);border-radius:12px;padding:8px 12px;background:var(--card);margin:10px 0}
details.set summary{cursor:pointer;font-weight:600;min-height:32px;display:flex;align-items:center}
.seg{display:inline-flex;flex-wrap:wrap;gap:6px}
.lbl{min-width:76px;color:var(--mut);font-size:13px}