:root{color-scheme:light dark;--bg:#f4f6f9;--card:#ffffff;--border:#e3e7ee;--text:#10151d;--muted:#667085;--accent:#1f6feb}
@media(prefers-color-scheme:dark){:root{--bg:#000000;--card:#1c1c1e;--border:#3a3a3c;--text:#f2f2f7;--muted:#9aa1ad;--accent:#4c8dff}}
*{box-sizing:border-box}
body{margin:0;font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}
.wrap{max-width:720px;margin:0 auto;padding:56px 24px 96px}
a{color:var(--accent)}
.back{display:inline-block;margin-bottom:24px;text-decoration:none;font-size:14px}
h1{font-size:28px;margin:0 0 4px}
.updated{color:var(--muted);font-size:14px;margin:0 0 28px}
h2{font-size:19px;margin:34px 0 8px}
h3{font-size:16px;margin:24px 0 6px}
ul{padding-left:22px}
.note{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px 16px;color:var(--muted);font-size:14px}
footer{color:var(--muted);font-size:13px;margin-top:48px;border-top:1px solid var(--border);padding-top:20px}
[dir=rtl] ul{padding-left:0;padding-right:22px}
header{text-align:center;margin-bottom:40px}
.logo{width:72px;height:72px;border-radius:18px;background:var(--accent);color:#fff;font-size:36px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.tag{color:var(--muted);font-size:18px;margin:8px auto 0;max-width:520px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.grid{grid-template-columns:1fr}}
.feature{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px 18px}
.feature b{display:block;margin-bottom:4px}
.feature span{color:var(--muted);font-size:14px}
.links{display:flex;gap:20px;flex-wrap:wrap;justify-content:center;margin-top:40px}
.links a{text-decoration:none}
.center{text-align:center}