:root{--bg:#f7f9fb;--card:#fff;--ink:#14213d;--muted:#55607a;--line:#dfe5ef;--blue:#1f4e79;--red:#c8102e;--sun:#f28c28;--soft:#eaf0fb;--warn-bg:#fff7e0}@media (prefers-color-scheme:dark){:root{--bg:#0e1424;--card:#151d31;--ink:#e8edf7;--muted:#a3adc2;--line:#27314a;--blue:#8fb3ff;--red:#ff8a9b;--sun:#ffd257;--soft:#1b2742;--warn-bg:#2a2412}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);overflow-wrap:anywhere;margin:0;font:17px/1.65 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif}a{color:var(--blue)}.wrap{max-width:980px;margin:0 auto;padding:0 16px}.skip{position:absolute;left:-999px}.skip:focus{background:var(--card);z-index:9;padding:8px;top:8px;left:16px}.top{background:var(--blue);color:#fff;border-bottom:4px solid var(--sun)}.top-row{justify-content:space-between;align-items:center;gap:12px;min-height:58px;display:flex}.brand{color:#fff;align-items:center;gap:10px;font-size:1.1rem;text-decoration:none;display:flex}.nav-wide{flex-wrap:wrap;gap:16px;display:flex}.nav-wide a{color:#fff;opacity:.9;font-size:.95rem;text-decoration:none}.nav-wide a[aria-current=page],.nav-wide a:hover{opacity:1;text-decoration:underline}.menu{display:none;position:relative}.menu summary{cursor:pointer;color:#fff;border:1px solid #ffffff80;border-radius:8px;padding:6px 12px;list-style:none}.menu summary::-webkit-details-marker{display:none}.menu nav{background:var(--card);border:1px solid var(--line);z-index:5;border-radius:10px;flex-direction:column;min-width:230px;padding:8px;display:flex;position:absolute;top:44px;right:0;box-shadow:0 8px 24px #00000026}.menu nav a{color:var(--ink);border-radius:6px;padding:10px 12px;text-decoration:none}.menu nav a:hover{background:var(--soft)}@media (width<=820px){.nav-wide{display:none}.menu{display:block}}.crumbs{color:var(--muted);margin:14px 0 0;font-size:.85rem}h1{margin:.5em 0 .3em;font-size:clamp(1.6rem,4.6vw,2.4rem);line-height:1.2}h2{margin:1.8em 0 .5em;font-size:clamp(1.2rem,3vw,1.5rem);line-height:1.3}p,li{max-width:70ch}.answer{background:var(--card);border:1px solid var(--line);border-left:6px solid var(--sun);border-radius:10px;padding:14px 18px;font-size:1.06rem}.facts{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin:16px 0;display:grid}.fact{background:var(--soft);border-radius:10px;padding:12px 14px}.fact dt{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-size:.8rem}.fact dd{margin:2px 0 0;font-size:1.15rem;font-weight:700}.meta{color:var(--muted);font-size:.85rem}.jump{flex-wrap:wrap;gap:8px;margin:14px 0;display:flex}.jump a{background:var(--card);border:1px solid var(--line);white-space:normal;border-radius:999px;padding:4px 12px;font-size:.88rem;text-decoration:none}.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:10px;overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.95rem}th,td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:10px 12px}th{background:var(--soft);font-size:.85rem}@media (width<=640px){table.stack thead{display:none}table.stack tr{border-bottom:1px solid var(--line);padding:6px 0;display:block}table.stack td{border:0;padding:3px 12px;display:block}table.stack td[data-label]:before{content:attr(data-label);color:var(--muted);text-transform:uppercase;font-size:.72rem;display:block}table.stack td:empty{display:none}}details.faq{background:var(--card);border:1px solid var(--line);border-radius:10px;margin:8px 0;padding:10px 14px}details.faq summary{cursor:pointer;font-weight:600}.sources{padding-left:1.3em;font-size:.9rem}.sources li{margin-bottom:6px}.sources li:target{background:var(--warn-bg)}sup a{padding:0 1px;font-weight:700;text-decoration:none}.cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin:12px 0;padding:0;list-style:none;display:grid}.cards li{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px}.cards a{font-weight:700;text-decoration:none}.cards p{color:var(--muted);margin:4px 0 0;font-size:.92rem}.notice{background:var(--warn-bg);border-radius:10px;padding:12px 14px;font-size:.93rem}.hero{padding:10px 0 4px}.hero p{color:var(--muted);font-size:1.1rem}.foot{background:var(--card);border-top:1px solid var(--line);color:var(--muted);margin-top:56px;padding:20px 0;font-size:.9rem}.foot-links{flex-wrap:wrap;gap:6px 16px;margin-bottom:10px;display:flex}.menu summary{white-space:nowrap}@media (width<=380px){.brand{gap:8px;font-size:.98rem}.brand img{width:26px;height:26px}}