:root{--ink:#16202c;--muted:#5f6b7a;--line:#e3e8ef;--bg:#fff;--soft:#f6f8fb;--brand:#2459d6;--brand2:#1b44a8;--ok:#1e8e5a}
*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Ubuntu,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand)}.wrap{max-width:1120px;margin:0 auto;padding:0 20px}.muted{color:var(--muted)}.small{font-size:14px}.center{text-align:center}
.site-top{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.95);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
.site-top .wrap{display:flex;align-items:center;gap:16px;height:62px}.brand{display:flex;align-items:center;gap:8px;font-weight:800;font-size:19px;color:var(--ink);text-decoration:none}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:4px;flex-wrap:wrap}.site-nav a{padding:6px 10px;border-radius:8px;color:var(--ink);text-decoration:none;font-size:15px}.site-nav a:hover{background:var(--soft)}.site-nav a.on{color:var(--brand2);font-weight:600}
.site-nav a.cta{background:var(--brand);color:#fff;font-weight:600;margin-left:6px}.navbtn{display:none;margin-left:auto;font-size:24px;cursor:pointer}
.page{padding-top:36px;padding-bottom:60px}.page h1{font-size:36px;line-height:1.2;margin:0 0 12px}.page h2{margin-top:36px}
.lead{font-size:19px;color:#3b4654;max-width:720px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-weight:600;cursor:pointer;text-decoration:none}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn.primary:hover{background:var(--brand2)}.btn.big{padding:13px 24px;font-size:17px}.btn[disabled]{opacity:.5;cursor:not-allowed}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0 10px}
.hero{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:center;padding:20px 0 40px}.hero h1{font-size:44px}.hl{color:var(--brand)}
.shot{width:100%;height:auto;border-radius:12px;border:1px solid var(--line);box-shadow:0 12px 40px rgba(20,40,80,.12)}
section{margin:56px 0}.feats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.feat{background:var(--soft);border-radius:14px;padding:22px}.feat h3{margin:8px 0 6px;font-size:18px}.feat p{margin:0;color:#3b4654}.ico{font-size:28px}
.split{display:grid;grid-template-columns:1.15fr 1fr;gap:40px;align-items:center}.split.rev{grid-template-columns:1fr 1.15fr}
.checks{list-style:none;padding:0}.checks li{padding:5px 0 5px 28px;position:relative}.checks li:before{content:"✓";position:absolute;left:4px;color:var(--ok);font-weight:800}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding:0;list-style:none;counter-reset:s}.steps li{background:var(--soft);border-radius:14px;padding:22px 22px 22px 64px;position:relative;counter-increment:s}.steps li:before{content:counter(s);position:absolute;left:20px;top:20px;width:32px;height:32px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800}
.faq details{border-bottom:1px solid var(--line);padding:14px 0;max-width:800px;margin:0 auto}.faq summary{font-weight:600;cursor:pointer}
.band{background:linear-gradient(135deg,#1b44a8,#2f6bf0);color:#fff;border-radius:18px;padding:40px;text-align:center}.band .btn.primary{background:#fff;color:var(--brand2);border-color:#fff}
.plans{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:900px;margin:26px 0}.plan-card{border:1px solid var(--line);border-radius:16px;padding:26px;position:relative}.plan-card.best{border:2px solid var(--brand);box-shadow:0 10px 30px rgba(36,89,214,.12)}
.plan-card h2{margin:0}.price{font-size:40px;font-weight:800;margin:8px 0}.price small{font-size:16px;color:var(--muted);font-weight:500}.tag{position:absolute;top:-12px;right:20px;background:var(--brand);color:#fff;font-size:13px;font-weight:700;padding:2px 12px;border-radius:99px}
.agree{display:flex;gap:8px;align-items:flex-start;font-size:14px;margin:14px 0}.agree input{margin-top:4px}
.card{border:1px solid var(--line);border-radius:14px;padding:22px;margin:18px 0;max-width:720px}.form label{display:block;font-weight:600;font-size:14px;margin-bottom:12px}
.form input,textarea{display:block;width:100%;margin-top:4px;padding:10px;border:1px solid #cfd7e2;border-radius:8px;font:inherit}textarea{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px;word-break:break-all}
.callout{background:#e8f6ef;border:1px solid #bfe5d1;border-radius:12px;padding:16px 18px;font-size:17px}.toc{background:var(--soft);padding:10px 14px;border-radius:10px}
mark.ph{background:#fff1a8;color:#6b4e00;padding:0 4px;border-radius:4px;font-weight:600}
.ok{color:var(--ok)}.err{color:#c53030}code{background:var(--soft);padding:1px 5px;border-radius:4px}
.site-foot{border-top:1px solid var(--line);background:var(--soft);padding:34px 0 20px;margin-top:40px}.site-foot .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:20px;line-height:1.9}.site-foot a{color:var(--ink);text-decoration:none}.site-foot a:hover{text-decoration:underline}
@media (max-width:860px){.hero,.split,.split.rev,.plans,.feats,.steps,.site-foot .cols{grid-template-columns:1fr}.hero h1{font-size:34px}.navbtn{display:block}.site-nav{display:none;position:absolute;top:62px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px}#navtoggle:checked~.site-nav{display:flex}.split.rev>div{order:2}}

.docshot{margin:18px 0 28px}.docshot .shot{width:100%;height:auto;border:1px solid #e3e8ef;border-radius:12px;box-shadow:0 8px 28px rgba(20,30,50,.08)}
.docshot figcaption{margin-top:8px;font-size:13px;color:#5f6b7a}
kbd{display:inline-block;padding:1px 7px;border:1px solid #cfd7e2;border-bottom-width:2px;border-radius:5px;background:#f6f8fb;font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace}