:root{--ink:#1d1d2b;--muted:#5d5f73;--brand:#6b3fd6;--brand-2:#f4efff;--line:#e7e5ef;--ok:#1f8a5b}
*{box-sizing:border-box}html,body{margin:0}body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
.wrap{max-width:860px;margin:0 auto;padding:0 20px}header{padding:16px 0;border-bottom:1px solid var(--line)}header .wrap{display:flex;justify-content:space-between;align-items:center;gap:12px}
.logo{font-weight:800;font-size:22px;color:var(--brand);text-decoration:none}nav a{color:var(--muted);text-decoration:none;font-size:14px;margin-left:14px}
.crumbs{font-size:13px;color:var(--muted);margin:14px 0 0}.crumbs a{color:var(--muted)}
.hero{background:linear-gradient(180deg,var(--brand-2),#fff);padding:30px 0 26px}
h1{font-size:clamp(28px,5vw,40px);line-height:1.15;margin:10px 0 12px;letter-spacing:-.5px}h2{font-size:23px;margin:34px 0 10px}h3{font-size:18px;margin:18px 0 6px}
.lead{font-size:18px;color:var(--muted);margin:0 0 18px}.badge{display:inline-block;background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:14px}
table{border-collapse:collapse;width:100%;margin:10px 0;font-size:15px}th,td{border:1px solid var(--line);padding:8px 10px;text-align:left}th{background:#faf9ff}
.src{font-size:13px;color:var(--muted)}.box{border:1px solid var(--line);border-radius:16px;padding:20px;margin:20px 0}
.btn{display:inline-block;background:var(--brand);color:#fff;border:0;border-radius:12px;padding:14px 22px;font-size:17px;font-weight:700;cursor:pointer;text-decoration:none}
label{display:block;font-size:14px;font-weight:600;margin:10px 0 4px}input,select{width:100%;padding:11px;border:1px solid var(--line);border-radius:10px;font-size:16px;background:#fff}
.row{display:flex;gap:10px}.row>*{flex:1}.ok{display:none;color:var(--ok);font-weight:700}
ul.links{columns:2;padding-left:18px}footer{border-top:1px solid var(--line);margin-top:40px;padding:22px 0;color:var(--muted);font-size:14px}
@media(max-width:600px){ul.links{columns:1}.row{flex-direction:column}}