:root{--bg:#f4f6fb;--card:#fff;--ink:#1b2333;--muted:#5d6678;--soft:#eef1f6;--line:#e1e6ee;--brand:#101a33;--accent:#f5b400;--accent-ink:#1b1400;--link:#1d5fd1;--radius:14px}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;overflow-wrap:anywhere}
a{color:var(--link)}
img{max-width:100%;height:auto}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.top{background:var(--brand);color:#fff}
.top .wrap{display:flex;align-items:center;justify-content:space-between;min-height:60px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:800;font-size:20px;letter-spacing:.2px}
.logo img{width:34px;height:34px}
.age{border:2px solid var(--accent);color:var(--accent);border-radius:999px;font-weight:800;font-size:13px;padding:2px 9px;line-height:1.4}
.page{display:block;margin:22px auto 40px;max-width:940px}
.box{background:var(--card);border-radius:var(--radius);box-shadow:0 1px 3px rgba(16,26,51,.06);padding:26px 30px}
.crumbs{font-size:14px;color:var(--muted);margin:0 0 10px;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:4px}
.crumbs li+li:before{content:"\203A";margin:0 6px 0 2px;color:#9aa3b2}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{text-decoration:underline}
h1{font-size:34px;line-height:1.2;margin:4px 0 12px;letter-spacing:-.3px}
h2{font-size:25px;line-height:1.3;margin:34px 0 12px;scroll-margin-top:12px}
h3{font-size:20px;line-height:1.35;margin:24px 0 8px;scroll-margin-top:12px}
.upd{font-size:14px;color:var(--muted);margin:0 0 14px}
.lead p{font-size:18px;margin:0 0 10px}
.bn{margin:18px auto 20px;max-width:min(100%,480px);text-align:center}
.bn.sq{max-width:min(100%,320px)}
.bn a{display:inline-block;border-radius:12px;overflow:hidden;box-shadow:0 6px 18px rgba(16,26,51,.18);line-height:0}
.bn img{width:auto;max-width:100%;height:auto;display:block}
details.toc{background:var(--soft);border-radius:12px;padding:12px 18px;margin:18px 0 6px}
details.toc summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center}
details.toc summary::-webkit-details-marker{display:none}
details.toc summary:after{content:"\25BE";color:var(--muted);transition:transform .2s}
details.toc[open] summary:after{transform:rotate(180deg)}
.toc ol{margin:10px 0 2px;padding-left:22px}
.toc li{margin:3px 0}
.toc li.l3{list-style:circle;margin-left:16px;font-size:15px}
.toc a{text-decoration:none}
.cas{list-style:none;margin:14px 0 8px;padding:0;display:grid;gap:12px;counter-reset:c}
.ci{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;counter-increment:c}
.ci:before{content:counter(c);width:34px;height:34px;border-radius:50%;background:var(--soft);color:var(--muted);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px}
.ci b{font-size:19px;display:block;line-height:1.3;color:var(--ink)}
.ci p{margin:3px 0 6px;color:var(--muted);font-size:15px;line-height:1.45}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.tags span{background:var(--soft);color:#69707e;font-size:12.5px;border-radius:6px;padding:1px 8px}
.reg{display:inline-block;background:var(--accent);color:var(--accent-ink);font-weight:800;text-decoration:none;border-radius:999px;padding:10px 20px;white-space:nowrap;box-shadow:0 3px 0 #b98400}
.reg:hover{filter:brightness(1.05)}
.body p,.body li{max-width:76ch}
.body ul,.body ol{padding-left:24px}
.body li{margin:4px 0}
.tbl{overflow-x:auto;margin:14px 0;-webkit-overflow-scrolling:touch}
.tbl table{border-collapse:collapse;width:100%;min-width:520px;font-size:15.5px}
.tbl th,.tbl td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.tbl th{background:var(--soft)}
.note{background:#fff8e1;border-left:4px solid var(--accent);border-radius:8px;padding:10px 14px;margin:16px 0}
.faq h3{margin-top:18px}
.rel{margin-top:34px;border-top:1px solid var(--line);padding-top:6px}
.rel ul{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.rel li a{display:block;background:var(--soft);border-radius:10px;padding:10px 12px;text-decoration:none;color:var(--ink);font-size:15.5px;line-height:1.4;height:100%}
.rel li a:hover{background:#e3e8f1}
.grid{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.grid a{display:block;border:1px solid var(--line);border-radius:12px;padding:14px;text-decoration:none;color:var(--ink);background:#fff;height:100%}
.grid a span{display:block;color:var(--muted);font-size:14.5px;margin-top:4px}
.foot{color:#9aa3b8;background:var(--brand);font-size:14px;padding:22px 0}
.foot p{margin:4px 0}
.foot a{color:#c9d2e6}
@media (max-width:760px){
 body{font-size:16.5px}
 .box{padding:18px 16px;border-radius:0;box-shadow:none}
 .page{margin:0 0 24px}
 .page.wrap{padding:0}
 h1{font-size:27px}
 h2{font-size:22px}
 h3{font-size:18.5px}
 .lead p{font-size:17px}
 .ci{grid-template-columns:34px 1fr;gap:10px;padding:12px}
 .ci:before{width:30px;height:30px;font-size:14px}
 .ci .reg{grid-column:1/-1;text-align:center}
}