:root{--ink:#0d1220;--mut:#5b6478;--line:#e2e5ec;--bg:#f5f6f8;--card:#fff;--pri:#2450e6;--pri-d:#1a3cb0;--pri-t:#eaf0ff;--ok:#0e8a5f;--hi:#ffb020;--r:12px;--f:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.6 var(--f);color:var(--ink);background:var(--bg)}
a{color:var(--pri-d)}a:hover{color:var(--pri)}
:focus-visible{outline:3px solid var(--hi);outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:99}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.top .wrap{display:flex;align-items:center;gap:16px;height:60px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:19px;color:var(--ink);text-decoration:none;white-space:nowrap}
.logo i{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--pri);color:#fff;font-style:normal;font-size:15px}
nav.main{display:flex;gap:4px;margin-left:8px}nav.main a{padding:6px 10px;border-radius:8px;color:var(--mut);text-decoration:none;font-weight:600;font-size:15px}nav.main a:hover{background:var(--bg);color:var(--ink)}
.cmdbtn{margin-left:auto;display:flex;align-items:center;gap:10px;min-width:220px;padding:8px 12px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--mut);font:inherit;font-size:14px;cursor:pointer}
.cmdbtn kbd{margin-left:auto;font:12px var(--f);border:1px solid var(--line);border-radius:5px;padding:1px 6px;background:#fff}
@media(max-width:860px){nav.main{display:none}.cmdbtn{min-width:0;flex:1}.cmdbtn kbd{display:none}}
dialog#cmd{width:min(620px,94vw);border:0;border-radius:14px;padding:0;box-shadow:0 20px 60px rgba(13,18,32,.3);margin-top:12vh}
dialog#cmd::backdrop{background:rgba(13,18,32,.45)}
#cmd-q{width:100%;border:0;border-bottom:1px solid var(--line);padding:18px 20px;font:inherit;font-size:18px;outline:none}
#cmd-list{list-style:none;margin:0;padding:8px;max-height:60vh;overflow:auto}
#cmd-list a{display:flex;justify-content:space-between;gap:12px;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:600}
#cmd-list small{color:var(--mut);font-weight:400}#cmd-list li[aria-selected=true] a,#cmd-list a:hover{background:var(--pri-t)}#cmd-list .none{padding:12px;color:var(--mut)}
.crumb{font-size:14px;color:var(--mut);margin:18px 0 6px}.crumb a{color:var(--mut)}
h1{font-size:clamp(28px,4vw,40px);line-height:1.15;margin:4px 0 8px;letter-spacing:-.02em}
h2{font-size:24px;line-height:1.25;margin:40px 0 12px;letter-spacing:-.01em}h3{font-size:18px;margin:22px 0 6px}
.lede{font-size:18px;color:var(--mut);margin:0 0 6px;max-width:760px}
.fresh{font-size:14px;color:var(--mut);display:flex;flex-wrap:wrap;gap:6px 16px;margin-bottom:18px}.fresh b{color:var(--ok)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:28px;align-items:start}
@media(max-width:1000px){.layout{grid-template-columns:1fr}aside.side{display:none}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.calc{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:0;padding:0;overflow:hidden}
@media(max-width:720px){.calc{grid-template-columns:1fr}}
.calc .in{padding:22px}.calc .out{background:var(--ink);color:#fff;padding:22px;display:flex;flex-direction:column;gap:10px}
.calc h2{margin:0 0 4px;font-size:18px}
.field{display:grid;grid-template-columns:minmax(0,1fr) 92px;gap:12px;align-items:center;padding:9px 0;border-bottom:1px dashed var(--line)}
.field:last-of-type{border-bottom:0}.field label{font-weight:600;font-size:15px}.field small{display:block;color:var(--mut);font-weight:400;font-size:13px}
input[type=number],select,.inp{width:100%;font:inherit;font-size:17px;padding:9px 10px;border:1.5px solid #c9ceda;border-radius:9px;background:#fff;color:var(--ink);min-height:44px}
input[type=number]:focus,select:focus{border-color:var(--pri);outline:none;box-shadow:0 0 0 3px var(--pri-t)}
.secthead{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--mut);font-weight:700;margin:14px 0 2px}
.big{font-size:64px;font-weight:800;line-height:1;letter-spacing:-.03em}.big small{font-size:18px;font-weight:600;opacity:.7;letter-spacing:0}
.out .lab{font-size:13px;text-transform:uppercase;letter-spacing:.08em;opacity:.7}.out .val{font-size:22px;font-weight:700}
.meter{height:10px;background:rgba(255,255,255,.15);border-radius:6px;overflow:hidden}.meter i{display:block;height:100%;width:0;background:var(--hi);transition:width .25s}
.bands{display:grid;grid-template-columns:repeat(5,1fr);gap:4px}.band{text-align:center;font-size:12px;padding:6px 0;border-radius:6px;background:rgba(255,255,255,.08)}.band b{display:block;font-size:17px}.band.on{background:var(--hi);color:var(--ink)}
.out .note{font-size:13px;opacity:.8;margin-top:auto}
.btnrow{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.btn{font:inherit;font-weight:700;font-size:15px;padding:10px 16px;border-radius:9px;border:1.5px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;min-height:44px}.btn.pri{background:var(--pri);border-color:var(--pri);color:#fff}
.answer{background:var(--pri-t);border-left:4px solid var(--pri);border-radius:8px;padding:14px 18px;margin:14px 0}.answer p{margin:0}
.facts{width:100%;border-collapse:collapse;font-size:15px;margin:10px 0;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.facts th,.facts td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.facts th{background:#fafbfc;font-weight:700}
.facts td.n,.facts th.n{text-align:right;font-variant-numeric:tabular-nums}
.tablewrap{overflow-x:auto}
.ad{display:flex;align-items:center;justify-content:center;background:repeating-linear-gradient(45deg,#eef0f4,#eef0f4 10px,#f6f7f9 10px,#f6f7f9 20px);border:1px dashed #cdd2dc;border-radius:8px;color:#9aa1b0;font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.ad-lb{height:90px;margin:24px 0}.ad-side{width:300px;height:600px;margin:0 auto}.ad-in{height:250px;margin:28px 0}
@media(max-width:760px){.ad-lb{height:100px}}
aside.side{position:sticky;top:76px;display:flex;flex-direction:column;gap:18px}
.related{list-style:none;padding:0;margin:0}.related li a{display:block;padding:8px 0;border-bottom:1px solid var(--line);text-decoration:none;font-weight:600}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin:8px 0;padding:0 16px}
.faq summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none}.faq summary::after{content:"+";float:right;color:var(--mut)}.faq details[open] summary::after{content:"–"}
.faq details p{margin:0 0 14px}
.change{background:#fff8e6;border:1px solid #ffd98a;border-radius:10px;padding:12px 16px;margin:14px 0;font-size:15px}
.src{font-size:14px;color:var(--mut)}.src li{margin:4px 0}
footer{background:var(--ink);color:#c5cad6;margin-top:60px;padding:36px 0;font-size:14px}footer a{color:#fff}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:24px}@media(max-width:760px){footer .cols{grid-template-columns:1fr 1fr}}
footer h3{color:#fff;font-size:14px;margin:0 0 8px}footer ul{list-style:none;padding:0;margin:0}footer li{margin:4px 0}
.disc{margin-top:24px;border-top:1px solid #2a3145;padding-top:16px;font-size:13px;color:#9aa1b0}
#sticky{position:fixed;left:12px;right:12px;bottom:12px;background:var(--ink);color:#fff;border:0;border-radius:12px;padding:12px 16px;font:inherit;font-weight:700;display:none;justify-content:space-between;align-items:center;z-index:30;box-shadow:0 8px 30px rgba(0,0,0,.3)}
#sticky.show{display:flex}@media(min-width:1001px){#sticky.show{display:none}}
/* home bento */
.hero{padding:40px 0 18px}.hero h1{font-size:clamp(32px,5vw,52px);max-width:820px}
.hsearch{display:flex;max-width:620px;margin:18px 0 8px}.hsearch input{flex:1;font:inherit;font-size:18px;padding:14px 16px;border:1.5px solid #c9ceda;border-radius:12px;background:#fff;cursor:pointer}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.chips a{background:#fff;border:1px solid var(--line);border-radius:99px;padding:6px 12px;text-decoration:none;font-weight:600;font-size:14px;color:var(--ink)}.chips a:hover{border-color:var(--pri);color:var(--pri)}
.bento{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px 0}
.tile{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:6px;transition:transform .15s,border-color .15s;min-height:150px}
.tile:hover{transform:translateY(-2px);border-color:var(--pri)}.tile b{font-size:20px}.tile span{color:var(--mut);font-size:14px}.tile em{font-style:normal;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--pri)}
.tile.xl{grid-column:span 2;grid-row:span 2;background:var(--pri);color:#fff;border-color:var(--pri)}.tile.xl span,.tile.xl em{color:#dfe6ff}.tile.xl b{font-size:30px}
.tile.dark{background:var(--ink);color:#fff;border-color:var(--ink)}.tile.dark span{color:#b7bdcc}.tile.dark em{color:var(--hi)}
.tile.w2{grid-column:span 2}
@media(max-width:900px){.bento{grid-template-columns:repeat(2,1fr)}}@media(max-width:520px){.bento{grid-template-columns:1fr}.tile.xl,.tile.w2{grid-column:span 1}}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}@media(max-width:760px){.grid3{grid-template-columns:1fr 1fr}}
.grid3 a{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;text-decoration:none;font-weight:600;color:var(--ink)}.grid3 a:hover{border-color:var(--pri)}
.grid3 a small{display:block;color:var(--mut);font-weight:400}
.prose{max-width:760px}.prose p,.prose li{font-size:17px}
.calc .in{min-width:0}.calc .tablewrap{overflow:visible}
#calc .facts{table-layout:fixed}#calc .facts th:first-child{width:64px}#calc .facts td,#calc .facts th{padding:6px 4px}
#calc .facts .inp{min-width:0;padding:8px 6px;text-align:center}
#gpa-rows .inp{min-width:0;padding:8px 6px}
.logo .mk{width:34px;height:30px;flex:none}.tagl{color:#ffb020;font-weight:700;margin:6px 0 0}