:root{--bg:#f7f8fb;--card:#fff;--muted:#4b5563;--text:#111827;--brand:#1d4ed8;--brand2:#15803d;
--border:rgba(17,24,39,.12);--ring:#1d4ed8}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
background:linear-gradient(180deg,#f7f8fb,#fff);color:var(--text);line-height:1.7;
padding-bottom:env(safe-area-inset-bottom)}
a{color:#1d4ed8}
a:where(.pill,.chip,.btn,.cta,.brand){color:inherit;text-decoration:none}
:focus-visible{outline:3px solid var(--ring);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:10px 14px;z-index:100;border-radius:0 0 12px 0}
.skip:focus{left:0}
.container{max-width:1120px;margin:0 auto;padding:0 18px}
header{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
border-bottom:1px solid var(--border);z-index:30}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.logo{width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));flex:0 0 auto}
.pill{padding:8px 12px;border-radius:999px;border:1px solid var(--border);background:rgba(255,255,255,.7);font-weight:600}
.pill[aria-current=page]{background:rgba(29,78,216,.10);border-color:rgba(29,78,216,.35);color:#1d4ed8}
.cta{padding:10px 14px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand2));
color:#fff;font-weight:800;white-space:nowrap}
.card{background:var(--card);border:1px solid var(--border);border-radius:20px;box-shadow:0 6px 20px rgba(17,24,39,.06)}
.section{padding:18px 0}
h1{margin:10px 0;font-size:34px;line-height:1.2}
@media(max-width:520px){h1{font-size:27px}}
h2{margin:0 0 10px;font-size:22px}
h3{margin:16px 0 8px;font-size:17px}
.sub{color:var(--muted);margin:0 0 12px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
@media(max-width:920px){.grid2,.grid3{grid-template-columns:1fr}}
.item{padding:18px}
.list{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:7px 11px;border-radius:999px;border:1px solid var(--border);background:rgba(29,78,216,.04);font-size:14px}
.chip:hover{background:rgba(29,78,216,.10)}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.btn{padding:11px 16px;border-radius:14px;border:1px solid var(--border);background:#fff;font-weight:700;display:inline-block;min-height:44px;line-height:22px}
.btn.primary{border:none;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
.breadcrumb{font-size:13px;color:var(--muted);margin:12px 0 0}
.breadcrumb a{color:var(--muted);display:inline-block;padding:4px 2px}
.notice{font-size:13px;color:var(--muted)}
.small{font-size:13px}
.sym{width:100%;border-collapse:collapse;font-size:15px}
.sym th,.sym td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}
.sym th{background:rgba(29,78,216,.05);font-weight:700;width:38%}
.tw{overflow-x:auto}
details{border:1px solid var(--border);border-radius:14px;padding:12px 16px;margin:8px 0;background:#fff}
summary{cursor:pointer;font-weight:700}
details p{margin:10px 0 0;color:var(--muted)}
.footer{padding:26px 0 90px;margin-top:22px;border-top:1px solid var(--border);color:var(--muted)}
.kunye{font-size:13px;line-height:1.8}
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:40;display:none;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
background:rgba(255,255,255,.97);border-top:1px solid var(--border);box-shadow:0 -6px 20px rgba(17,24,39,.10)}
.callbar a{display:block;text-align:center;padding:14px;border-radius:14px;
background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;text-decoration:none}
@media(max-width:920px){.callbar{display:block}}
.navToggle{display:none;align-items:center;justify-content:center;gap:5px;flex-direction:column;
width:44px;height:44px;border-radius:14px;border:1px solid var(--border);background:#fff;cursor:pointer}
.navToggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:9px}
.navMenu{display:flex;gap:10px;flex-wrap:wrap;align-items:center;justify-content:flex-end}
@media(max-width:920px){
 .navToggle{display:flex}
 .navMenu{display:none;position:absolute;left:18px;right:18px;top:66px;padding:14px;border-radius:18px;
 background:#fff;border:1px solid var(--border);box-shadow:0 18px 40px rgba(17,24,39,.14);flex-direction:column;align-items:stretch}
 .navMenu.isOpen{display:flex}
 .pill,.cta{width:100%;text-align:center;padding:12px}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}