:root{--bg:#fbfaf7;--fg:#1d2327;--muted:#5b6770;--brand:#1f4e5f;--brand2:#e0a458;--card:#fff;--line:#e3e0d8;--key:#e8f1e5;--pay:#9c2f1f;--ok:#2f6b3a;--in:#fff7d6}
@media (prefers-color-scheme:dark){:root{--bg:#14181b;--fg:#e8e6e1;--muted:#9aa5ad;--brand:#7fb6c9;--brand2:#e0a458;--card:#1c2226;--line:#2c343a;--key:#1f3325;--pay:#ff9b8a;--ok:#8fd19e;--in:#2a2618}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--brand)}
.wrap{max-width:900px;margin:0 auto;padding:0 16px}
header.site{border-bottom:1px solid var(--line);background:var(--card)}
header.site .wrap{display:flex;gap:16px;align-items:center;justify-content:space-between;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.logo{font-weight:800;font-size:20px;text-decoration:none;color:var(--fg)}.logo span{color:var(--brand)}
nav a{margin-left:14px;text-decoration:none;font-size:15px}
h1{font-size:clamp(28px,5vw,42px);line-height:1.15;margin:32px 0 12px}
h2{margin-top:40px;line-height:1.25}
.lead{font-size:20px;color:var(--muted)}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:12px 22px;border-radius:10px;text-decoration:none;font-weight:700}
@media (prefers-color-scheme:dark){.btn{color:#0d1417}}
.btn.alt{background:transparent;color:var(--brand);border:2px solid var(--brand)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}
.card h3{margin-top:0}
table{border-collapse:collapse;width:100%;font-size:15px}
td,th{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
td.cas{color:var(--brand);font-weight:700;width:52px}
tr.key td{background:var(--key);font-weight:700}
.calc{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media (max-width:760px){.calc{grid-template-columns:1fr}}
form label{display:block;margin:10px 0 2px;font-size:15px;font-weight:600}
form small{display:block;color:var(--muted);font-size:13px}
input[type=text]{width:100%;padding:9px 10px;font-size:17px;border:1px solid var(--line);border-radius:8px;background:var(--in);color:var(--fg)}
.check{display:flex;gap:8px;align-items:center;font-weight:600;margin-top:12px}
.verdict{margin:12px 0;padding:12px 14px;border-radius:10px;font-weight:700;font-size:18px}
.verdict.pay{background:rgba(156,47,31,.1);color:var(--pay)}.verdict.zero{background:rgba(47,107,58,.12);color:var(--ok)}
.note{font-size:14px;color:var(--muted)}
.cta{background:var(--card);border:2px solid var(--brand2);border-radius:14px;padding:20px;margin:36px 0}
.cta h3{margin-top:0}
.price{font-size:32px;font-weight:800}
details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0}
summary{cursor:pointer;font-weight:700}
article img{max-width:100%}
.overflow{overflow-x:auto}
footer{border-top:1px solid var(--line);margin-top:56px;padding:24px 0;font-size:14px;color:var(--muted)}
.mock{font-size:13px}.mock td{padding:4px 6px}