:root{--teal:#0F766E;--teal-dark:#115E59;--teal-soft:#E6F2F1;--ink:#0F172A;--muted:#475569;--line:#E2E8F0;--bg:#FFFFFF;--bg-alt:#F8FAFC;--red:#B91C1C;--red-soft:#FEE2E2}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--teal)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
header.top{border-bottom:1px solid var(--line);background:#fff}
header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:20px;letter-spacing:-.3px}
nav a{color:var(--muted);text-decoration:none;margin-left:20px;font-size:15px}
nav a:hover{color:var(--ink)}
.hero{padding:72px 0 56px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
h1{font-size:46px;line-height:1.1;letter-spacing:-1px;margin:0 0 18px}
.lead{font-size:19px;color:var(--muted);margin:0 0 28px;max-width:34em}
.btn{display:inline-block;background:var(--teal);color:#fff;text-decoration:none;font-weight:600;padding:13px 22px;border-radius:10px}
.btn:hover{background:var(--teal-dark)}
.btn.soon{background:#94A3B8;cursor:default}
.note{font-size:14px;color:var(--muted);margin-top:12px}
.demo{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 32px rgba(15,23,42,.08);padding:18px}
.demo h3{margin:0 0 12px;font-size:14px;color:var(--muted);font-weight:600}
.row{display:flex;align-items:center;gap:12px;padding:10px 4px;border-top:1px solid var(--line)}
.row:first-of-type{border-top:0}
.thumb{width:40px;height:40px;border-radius:8px;background:var(--teal-soft);flex:none}
.row .name{font-weight:600}
.row .sub{font-size:13px;color:var(--muted)}
.tag{font-size:12px;padding:2px 8px;border-radius:12px;background:var(--red-soft);color:var(--red);margin-left:6px;font-weight:600}
.restore{margin-left:auto;background:var(--teal);color:#fff;font-size:13px;font-weight:600;padding:7px 12px;border-radius:8px;white-space:nowrap}
section{padding:64px 0}
section.alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:30px;letter-spacing:-.5px;margin:0 0 14px}
.intro{color:var(--muted);font-size:18px;max-width:40em;margin:0 0 32px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px}
.card .num{display:inline-flex;width:30px;height:30px;border-radius:50%;background:var(--teal-soft);color:var(--teal);font-weight:700;align-items:center;justify-content:center;margin-bottom:10px}
.card h3{margin:0 0 6px;font-size:18px}
.card p{margin:0;color:var(--muted)}
ul.ticks{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 32px}
ul.ticks li{padding-left:28px;position:relative}
ul.ticks li:before{content:"";position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;background:var(--teal) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/16px no-repeat}
.price{display:flex;gap:40px;align-items:flex-start;flex-wrap:wrap}
.price .amount{font-size:44px;font-weight:700;letter-spacing:-1px}
.price .per{color:var(--muted);font-size:18px}
details{border-bottom:1px solid var(--line);padding:16px 0}
summary{font-weight:600;cursor:pointer;font-size:17px}
details p{color:var(--muted);margin:10px 0 0}
footer{padding:36px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted);margin-right:18px}
.doc{max-width:760px;margin:0 auto;padding:48px 20px 64px}
.doc h1{font-size:36px}
.doc h2{font-size:22px;margin-top:36px}
.doc table{border-collapse:collapse;width:100%;margin:12px 0;font-size:15px;display:block;overflow-x:auto}
.doc th,.doc td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
.doc th{background:var(--bg-alt)}
@media (max-width:820px){
 .hero{padding:40px 0}.hero .wrap{grid-template-columns:1fr;gap:32px}
 h1{font-size:34px}.grid3{grid-template-columns:1fr}ul.ticks{grid-template-columns:1fr}
 nav a{margin-left:14px}nav a.hide-sm{display:none}
}