:root { color-scheme: dark; --orange: #ff9f0a; --soft: rgba(235,235,245,.62); }
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh;
  background: radial-gradient(60% 40% at 100% 30%, rgba(255,159,10,.14), transparent 70%), linear-gradient(#171719, #0b0b0c 60%);
  color: #fff; font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", system-ui, sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 56px 24px 80px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 40px; }
header img { width: 56px; height: 56px; border-radius: 13px; }
header a { color: #fff; text-decoration: none; font-weight: 700; font-size: 22px; }
h1 { font-size: 40px; line-height: 1.1; letter-spacing: -.5px; margin: 0 0 12px; }
h1 em { color: var(--orange); font-style: normal; }
h2 { font-size: 22px; margin: 40px 0 8px; }
p, li { color: var(--soft); }
strong { color: #fff; }
a { color: var(--orange); }
.lang { border-top: 1px solid rgba(255,255,255,.1); margin-top: 56px; padding-top: 8px; }
.button { display: inline-block; margin-top: 20px; padding: 14px 26px; border-radius: 999px; background: var(--orange); color: #000; font-weight: 700; text-decoration: none; }
nav { margin-top: 56px; display: flex; gap: 20px; font-size: 15px; }
.muted { font-size: 14px; }