:root{--bg:#f6faf7;--card:#fff;--text:#0f1f17;--muted:#4b6356;--primary:#15803d;--primary-soft:#dcf3e3;--accent:#facc15;--border:#dbe7df}
@media (prefers-color-scheme:dark){:root{--bg:#0c110e;--card:#16211c;--text:#f3f4f6;--muted:#9eaba3;--primary:#22c55e;--primary-soft:#14301f;--border:#2c3e34}}
*{box-sizing:border-box}html,body{margin:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;-webkit-font-smoothing:antialiased}
.wrap{max-width:560px;margin:0 auto;padding:32px 16px 48px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:-.3px}
.brand img{width:40px;height:40px;border-radius:10px}
.card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:24px;margin-top:24px;box-shadow:0 10px 30px rgba(21,128,61,.08)}
h1{font-size:28px;line-height:1.15;letter-spacing:-.6px;margin:0 0 8px}
p{margin:0 0 12px;color:var(--muted)}
a{color:var(--primary);font-weight:600}
.btn{display:block;width:100%;text-align:center;text-decoration:none;font-weight:700;font-size:16px;padding:15px 18px;border-radius:14px;border:0;cursor:pointer;margin-top:12px}
.btn-primary{background:var(--primary);color:#fff}
.btn-soft{background:var(--primary-soft);color:var(--text)}
.steps{list-style:none;padding:0;margin:16px 0 0;counter-reset:s}
.steps li{counter-increment:s;display:flex;gap:12px;align-items:flex-start;margin:12px 0;color:var(--muted)}
.steps li::before{content:counter(s);flex:0 0 28px;height:28px;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-weight:800;display:flex;align-items:center;justify-content:center}
.steps b{color:var(--text)}
.features{display:grid;gap:12px;margin-top:16px}
.feature{display:flex;gap:12px}
.feature span{flex:0 0 36px;height:36px;border-radius:10px;background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:18px}
.feature b{display:block;color:var(--text)}
.small{font-size:13px;color:var(--muted);text-align:center;margin-top:24px}
code{background:var(--primary-soft);padding:2px 6px;border-radius:6px;font-size:13px;word-break:break-all}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--text);color:var(--bg);padding:10px 16px;border-radius:12px;font-size:14px;opacity:0;transition:opacity .2s}
.toast.show{opacity:1}
.doc h2{font-size:18px;margin:24px 0 8px;letter-spacing:-.2px}
.doc ul{margin:0 0 12px;padding-left:20px;color:var(--muted)}
.doc li{margin:6px 0}
.doc b{color:var(--text)}
a.brand{color:var(--text);text-decoration:none}