:root{--bg:#fbfaf7;--ink:#14171a;--muted:#5b636b;--line:#e4e1da;--card:#ffffff;--accent:#0f6e5c;--accent-ink:#ffffff;--code:#f2f0ea}
@media (prefers-color-scheme:dark){:root{--bg:#111315;--ink:#ecebe7;--muted:#a3a9ae;--line:#2a2e32;--card:#181b1e;--accent:#3fb59a;--accent-ink:#0b1210;--code:#1e2226}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 "Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:var(--accent)}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
header.top{display:flex;justify-content:space-between;align-items:center;padding:18px 0}
.brand{font-weight:700;letter-spacing:-.01em;color:var(--ink);text-decoration:none}
.top nav a{margin-left:16px;font-size:15px;color:var(--muted);text-decoration:none}
.hero{padding:40px 0 28px}
h1{font-size:clamp(30px,6vw,46px);line-height:1.12;letter-spacing:-.025em;margin:0 0 16px}
h2{font-size:24px;letter-spacing:-.015em;margin:48px 0 12px}
.lead{font-size:19px;color:var(--muted);margin:0 0 24px}
.pricebar{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center}
.price{font-size:15px;color:var(--muted)}
.price b{color:var(--ink);font-size:20px}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:14px 22px;border-radius:10px;font-weight:600;text-decoration:none}
ul.ticks{padding:0;list-style:none}ul.ticks li{padding:8px 0 8px 28px;border-bottom:1px solid var(--line);position:relative}
ul.ticks li:before{content:"";position:absolute;left:4px;top:18px;width:10px;height:6px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.sample{margin-top:16px}.sample .tag{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.sample .row{display:flex;justify-content:space-between;gap:12px;margin:8px 0 10px;font-weight:600}
.sample .save{color:var(--accent);white-space:nowrap}
pre{background:var(--code);border-radius:10px;padding:14px;overflow-x:auto;font:13.5px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;margin:0}
ol.steps{padding-left:20px}ol.steps li{margin:8px 0}
.guarantee{border-left:3px solid var(--accent);padding:4px 0 4px 16px;margin:16px 0}
details{border-bottom:1px solid var(--line);padding:12px 0}summary{cursor:pointer;font-weight:600}
.final{text-align:center;padding:48px 0}
footer{border-top:1px solid var(--line);margin-top:40px;padding:24px 0 40px;font-size:14px;color:var(--muted)}
footer a{color:var(--muted);margin-right:14px}
.legal h1{font-size:32px}.legal h2{font-size:20px;margin-top:32px}