:root { --bg:#F5F5F7; --surface:#fff; --text:#111827; --muted:#4B5563; --primary:#15803D; --sep:#E5E7EB; }
@media (prefers-color-scheme: dark) { :root { --bg:#000; --surface:#1C1C1E; --text:#F5F5F7; --muted:#AEAEB2; --sep:#38383A; } }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--text); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
header { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:16px 20px; max-width:860px; margin:0 auto; }
header a.brand { display:flex; align-items:center; gap:10px; font-weight:700; font-size:20px; color:var(--text); text-decoration:none; }
header a.brand span.logo { width:32px; height:32px; border-radius:8px; background:linear-gradient(#5CD96B, var(--primary)); display:inline-block; }
nav a { color:var(--muted); text-decoration:none; margin-left:16px; font-size:15px; }
nav a:hover, main a { color:var(--primary); }
main { max-width:860px; margin:0 auto; padding:8px 20px 48px; }
.card { background:var(--surface); border-radius:16px; padding:24px; margin:16px 0; }
h1 { font-size:32px; line-height:1.2; margin:24px 0 8px; }
h2 { font-size:22px; margin:32px 0 8px; }
h3 { font-size:17px; margin:20px 0 4px; }
p, li { color:var(--text); }
.muted { color:var(--muted); font-size:15px; }
.lang { display:flex; gap:12px; margin:16px 0; font-size:15px; }
.lang a { padding:6px 14px; border:1px solid var(--sep); border-radius:999px; text-decoration:none; color:var(--text); background:var(--surface); }
.hero { text-align:center; padding:40px 0 16px; }
.hero h1 { font-size:40px; }
.hero p { font-size:20px; color:var(--muted); max-width:560px; margin:8px auto; }
.features { display:grid; grid-template-columns:repeat(auto-fit, minmax(240px,1fr)); gap:16px; margin:24px 0; }
.btn { display:inline-block; background:var(--primary); color:#fff; padding:14px 28px; border-radius:999px; font-weight:600; text-decoration:none; margin-top:16px; }
footer { max-width:860px; margin:0 auto; padding:24px 20px 48px; color:var(--muted); font-size:14px; border-top:1px solid var(--sep); }
footer a { color:var(--muted); margin-right:16px; }
table { border-collapse:collapse; width:100%; font-size:15px; }
td, th { text-align:left; vertical-align:top; padding:8px 8px 8px 0; border-bottom:1px solid var(--sep); }