:root{
--ink:#1A202C;--paper:#FAF9F6;--surface:#FFFFFF;--muted:#5A6472;
--primary:#3D5A73;--primary-ink:#FFFFFF;--cta:#A5671A;--cta-ink:#FFFFFF;
--ok:#5F7A61;--err:#B3423A;--line:#E3DFD7;
--r-s:8px;--r-m:12px;--r-pill:999px;
--sh1:0 1px 2px rgba(26,32,44,.06),0 2px 8px rgba(26,32,44,.08);
--fd:"Source Serif 4",Georgia,"Times New Roman",serif;
--fu:"Public Sans",-apple-system,"Segoe UI",system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px}
body{background:var(--paper);color:var(--ink);font-family:var(--fu);line-height:1.65}
.wrap{max-width:72ch;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;background:var(--surface);padding:8px 14px;border-radius:var(--r-s);z-index:9}
.site-head{background:var(--surface);border-bottom:1px solid var(--line)}
.head-in{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:baseline;padding:14px 20px}
.brand{font-family:var(--fd);font-size:1.25rem;font-weight:600;color:var(--primary);text-decoration:none}
nav ul{display:flex;flex-wrap:wrap;gap:4px 18px;list-style:none}
nav a{color:var(--ink);text-decoration:none;font-size:.95rem}
nav a:hover{color:var(--primary);text-decoration:underline}
main{padding:30px 20px 50px}
h1{font-family:var(--fd);font-size:clamp(1.7rem,4.5vw,2.4rem);line-height:1.2;margin:0 0 14px}
h2{font-family:var(--fd);font-size:1.35rem;margin:34px 0 10px}
h3{font-size:1.08rem;margin:24px 0 8px}
p,li{max-width:72ch}
p{margin:0 0 12px}
ul,ol{margin:0 0 14px 22px}
li{margin-bottom:6px}
.lead{font-size:1.08rem;color:var(--muted);margin-bottom:20px}
.box{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:18px 20px;margin:18px 0;box-shadow:var(--sh1)}
.box--ok{border-left:4px solid var(--ok)}
.box--note{border-left:4px solid var(--primary)}
.steps{counter-reset:st;list-style:none;margin:18px 0;margin-left:0}
.steps>li{counter-increment:st;position:relative;padding:0 0 14px 52px;margin:0}
.steps>li:before{content:counter(st);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:var(--r-pill);background:var(--primary);color:var(--primary-ink);display:flex;align-items:center;justify-content:center;font-weight:700}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-s);margin:8px 0;padding:0}
.faq summary{cursor:pointer;padding:12px 16px;font-weight:600}
.faq details[open] summary{border-bottom:1px solid var(--line)}
.faq .a{padding:12px 16px}
.btn{display:inline-block;background:var(--cta);color:var(--cta-ink);text-decoration:none;font-weight:700;padding:13px 26px;border-radius:var(--r-s);border:0;font-size:1rem}
.btn:active{transform:scale(.97)}
.btn:hover{filter:brightness(1.06)}
.cards{display:grid;gap:14px;grid-template-columns:1fr;list-style:none;margin:18px 0}
@media(min-width:640px){.cards{grid-template-columns:1fr 1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-m);padding:16px 18px;box-shadow:var(--sh1)}
.card h3{margin-top:0}
.card a{color:var(--primary);font-weight:600;text-decoration:none}
.card a:hover{text-decoration:underline}
.small{font-size:.85rem;color:var(--muted)}
table{border-collapse:collapse;margin:14px 0;width:100%;max-width:60ch}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;font-size:.95rem}
th{background:var(--surface)}
.site-foot{background:var(--surface);border-top:1px solid var(--line);padding:26px 0;margin-top:40px}
.site-foot .fine{font-size:.85rem;color:var(--muted)}
.breadcrumb{font-size:.85rem;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--muted)}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}
a,button{transition:filter .15s ease-out,transform .15s ease-out}