:root{--bg:#F2F2F7;--card:#fff;--ink:#111113;--sub:#6E6E73;--green:#34C759;--mint:#00C7BE;color-scheme:light}
@media (prefers-color-scheme:dark){:root{--bg:#000;--card:#1C1C1E;--ink:#F5F5F7;--sub:#98989D;color-scheme:dark}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Hiragino Sans","Hiragino Kaku Gothic ProN",sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:720px;margin:0 auto;padding:40px 20px 80px}
header{display:flex;align-items:center;gap:14px;margin-bottom:28px}
header img{width:56px;height:56px;border-radius:13px}
header a{color:inherit;text-decoration:none}
.brand{font-weight:800;font-size:20px;letter-spacing:-.01em}
.brand small{display:block;font-weight:500;font-size:13px;color:var(--sub)}
nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px}
nav a{padding:6px 14px;border-radius:999px;background:var(--card);color:var(--ink);text-decoration:none;font-size:14px;font-weight:600}
nav a[aria-current]{background:var(--ink);color:var(--bg)}
h1{font-size:34px;line-height:1.25;letter-spacing:-.02em;margin:0 0 8px;text-wrap:balance}
.lead{color:var(--sub);margin:0 0 28px}
section{background:var(--card);border-radius:20px;padding:22px 24px;margin-bottom:16px}
h2{font-size:19px;margin:0 0 8px}
h3{font-size:16px;margin:18px 0 4px}
p,li{margin:6px 0}
ul{padding-left:1.2em}
a{color:#0A84FF}
.mark{display:inline-block;background:linear-gradient(135deg,var(--green),var(--mint));color:#fff;border-radius:999px;padding:2px 12px;font-weight:700;font-size:14px}
footer{color:var(--sub);font-size:13px;margin-top:32px}

.langs{font-size:13px;margin:-4px 0 20px;color:#8e8e93}.langs a{color:inherit}.langs a[aria-current]{color:inherit;font-weight:600;text-decoration:none}