:root {
  --bg: #0f1a1c;
  --bg2: #171a22;
  --card: rgba(255,255,255,0.045);
  --text: #eef2f3;
  --dim: #a7b1b5;
  --faint: #6f7a7e;
  --accent: #3fd0c9;
  --line: rgba(255,255,255,0.08);
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f7f7; --bg2: #eef0f4; --card: #ffffff;
    --text: #12191b; --dim: #4b5559; --faint: #7d878b;
    --accent: #0f8f89; --line: rgba(0,0,0,0.08);
  }
}
* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  background: linear-gradient(170deg, var(--bg) 0%, var(--bg2) 100%) fixed;
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 720px; margin: 0 auto; padding: 28px 20px 64px; }
header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 36px; }
.brand { font-weight: 700; letter-spacing: 0.18em; font-size: 14px; color: var(--text); text-decoration: none; }
.lang { font-size: 14px; color: var(--dim); text-decoration: none; border: 1px solid var(--line); padding: 4px 12px; border-radius: 999px; }
h1 { font-size: 28px; line-height: 1.25; margin: 0 0 28px; }
h2 { font-size: 12px; letter-spacing: 0.12em; color: var(--faint); margin: 0 0 10px; font-weight: 700; }
section { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 20px 22px; margin-bottom: 14px; }
p { margin: 0 0 12px; color: var(--dim); }
section p:last-child { margin-bottom: 0; }
a { color: var(--accent); }
.updated { color: var(--faint); font-size: 13px; margin-top: 20px; }
.hero { text-align: center; padding: 24px 0 12px; }
.hero img { width: 112px; height: 112px; border-radius: 25px; box-shadow: 0 10px 30px rgba(0,0,0,0.35); }
.hero h1 { margin: 18px 0 6px; }
.hero p { font-size: 18px; }
.links { display: flex; gap: 10px; flex-wrap: wrap; }
.links a { display: inline-block; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); text-decoration: none; }