:root{--ink:#102033;--muted:#526273;--line:#cbd5df;--paper:#fff;--soft:#eef4f8;--brand:#075985;--accent:#f59e0b;--max:1120px}*{box-sizing:border-box}html{scroll-behavior:auto}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.7 Arial,"Microsoft YaHei",sans-serif}img{max-width:100%;height:auto}a{color:var(--brand);text-decoration-thickness:2px;text-underline-offset:3px}a:focus,button:focus{outline:3px solid var(--accent);outline-offset:3px}.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}.skip{position:absolute;left:8px;top:-60px;background:#000;color:#fff;padding:8px}.skip:focus{top:8px}.site-head{border-bottom:3px solid var(--ink);background:#fff}.bar{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;text-decoration:none}.brand img{width:42px;height:42px}.nav{display:flex;align-items:center;gap:20px}.nav a{color:var(--ink);font-weight:700;text-decoration:none}.menu{display:none;border:2px solid var(--ink);background:#fff;padding:8px 12px;font-weight:700}.hero{padding:64px 0;background:var(--soft);border-bottom:1px solid var(--line)}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:48px}.tag{display:inline-block;border:2px solid var(--brand);color:var(--brand);padding:4px 10px;font-weight:800}.hero h1{font-size:clamp(34px,5vw,62px);line-height:1.1;margin:18px 0}.lead{font-size:19px;color:var(--muted);max-width:680px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}.btn{display:inline-block;background:var(--brand);color:#fff;padding:12px 19px;border:2px solid var(--brand);font-weight:800;text-decoration:none}.btn.alt{background:#fff;color:var(--brand)}.facts{display:flex;flex-wrap:wrap;gap:8px 20px;padding:0;list-style:none;font-weight:700}.hero-art{border:3px solid var(--ink);background:#fff}.section{padding:56px 0}.section.tint{background:var(--soft)}h2{font-size:clamp(28px,4vw,42px);line-height:1.2;margin:0 0 12px}h3{line-height:1.3}.eyebrow{color:var(--brand);font-weight:800;text-transform:uppercase;letter-spacing:.08em}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:28px}.grid.three{grid-template-columns:repeat(3,1fr)}.card{border:2px solid var(--line);padding:22px;background:#fff}.card h3{margin-top:0}.num{font-size:28px;font-weight:900;color:var(--brand)}.topic{display:block;color:inherit;text-decoration:none;border-color:var(--ink)}.topic span{color:var(--brand);font-weight:800}.split{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:start}.checks{padding-left:20px}.checks li{margin:8px 0}.platform{border-top:5px solid var(--brand)}.notice{border-left:6px solid var(--accent);background:#fff7df;padding:18px}.faq{max-width:850px}.faq-item{border-bottom:2px solid var(--line)}.faq-q{width:100%;padding:18px 0;border:0;background:none;text-align:left;color:var(--ink);font:700 18px/1.4 inherit;cursor:pointer}.faq-a{padding:0 0 18px}.faq-a[hidden]{display:none}.page-hero{padding:48px 0;background:var(--soft);border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(34px,5vw,54px);margin:8px 0}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;background:#fff}th,td{border:1px solid var(--line);padding:14px;text-align:left}th{background:var(--ink);color:#fff}.steps{counter-reset:step}.step{position:relative;padding:4px 0 26px 64px}.step:before{counter-increment:step;content:counter(step);position:absolute;left:0;top:0;width:42px;height:42px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:900}.cta{background:var(--ink);color:#fff;padding:38px}.cta .btn{background:#fff;color:var(--ink);border-color:#fff}.site-foot{background:#071422;color:#dce7ef;padding:44px 0 20px}.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}.site-foot a{color:#fff}.site-foot ul{list-style:none;padding:0}.legal{border-top:1px solid #536273;margin-top:28px;padding-top:18px;font-size:14px}.logo-large{width:300px;height:300px;object-fit:contain}.meta{color:var(--muted);font-size:14px}
@media(max-width:820px){.menu{display:block}.nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;border-bottom:3px solid var(--ink);padding:18px 16px;flex-direction:column;align-items:flex-start}.nav.open{display:flex}.hero-grid,.split{grid-template-columns:1fr}.hero-art{order:-1}.grid,.grid.three{grid-template-columns:1fr 1fr}.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.grid,.grid.three,.foot-grid{grid-template-columns:1fr}.hero{padding:38px 0}.section{padding:40px 0}.actions .btn{width:100%;text-align:center}.logo-large{width:180px;height:180px}.bar{min-height:64px}.nav{top:64px}}
@media print{.menu,.actions,.site-foot{display:none}.hero,.section{padding:20px 0}}