:root{--ink:#14161a;--muted:#5b6170;--line:#e6e8ec;--bg:#fafaf9;--card:#fff;--brand:#0f766e;--brand-ink:#fff;--accent:#ecfdf5}
*{box-sizing:border-box}
body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:800;font-size:22px;letter-spacing:.5px;color:var(--ink)}
.logo span{color:var(--brand)}
nav a{color:var(--muted);margin-left:22px;font-size:15px}
nav a.btn{color:var(--brand-ink)}
.btn{display:inline-block;background:var(--brand);color:var(--brand-ink);padding:10px 18px;border-radius:8px;font-weight:600}
.btn:hover{text-decoration:none;opacity:.92}
.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--brand)}
.hero{padding:88px 24px 64px}
.grid.three{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.hero h1{font-size:46px;line-height:1.15;margin:0 0 18px;max-width:760px}
.hero p{font-size:19px;color:var(--muted);max-width:640px;margin:0 0 28px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
section{padding:56px 0}
h2{font-size:30px;margin:0 0 12px}
.lead{color:var(--muted);max-width:680px;margin:0 0 32px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px}
.card h3{margin:0 0 8px;font-size:18px}
.card p{margin:0;color:var(--muted);font-size:15px}
.steps{counter-reset:s}
.steps .card{position:relative;padding-top:48px}
.steps .card:before{counter-increment:s;content:counter(s);position:absolute;top:18px;left:24px;width:26px;height:26px;border-radius:50%;background:var(--accent);color:var(--brand);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:14px}
.mock{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 10px 40px rgba(0,0,0,.06);display:grid;grid-template-columns:260px 1fr;min-height:340px;overflow:hidden}
.mock .list{border-right:1px solid var(--line)}
.mock .item{padding:14px 16px;border-bottom:1px solid var(--line);font-size:14px}
.mock .item b{display:block}.mock .item small{color:var(--muted)}
.mock .item.on{background:var(--accent)}
.mock .chat{padding:20px;display:flex;flex-direction:column;gap:10px;font-size:14px}
.bubble{max-width:70%;padding:10px 14px;border-radius:14px;background:#f1f2f4}
.bubble.me{align-self:flex-end;background:var(--brand);color:#fff}
.note{background:var(--accent);border:1px solid #a7f3d0;border-radius:10px;padding:16px 20px;color:#065f46;font-size:15px}
.price{display:flex;flex-direction:column}
.price .amt{font-size:36px;font-weight:800;margin:8px 0}
.price ul{padding-left:18px;color:var(--muted);flex:1}
.doc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:40px;margin:40px auto;max-width:820px}
.doc h1{margin-top:0}.doc h2{font-size:21px;margin-top:32px}
.doc table{border-collapse:collapse;width:100%;font-size:15px}
.doc td,.doc th{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
form label{display:block;font-weight:600;margin:14px 0 6px}
form input,form textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit}
footer{border-top:1px solid var(--line);background:#fff;padding:36px 0;margin-top:40px;font-size:14px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}
footer a{color:var(--muted);margin-right:16px}
@media(max-width:720px){.hero h1{font-size:34px}nav a:not(.btn){display:none}.mock{grid-template-columns:1fr}.mock .list{display:none}.doc{padding:24px}}