:root {
  --accent: #1a8fd8;
  --money: #3d9a2a;
  --ink: #1c1c1e;
  --muted: rgba(0, 0, 0, .55);
  --line: rgba(0, 0, 0, .08);
  --bg: #f2f2f4;
  --card: #fbfbfc;
}
@media (prefers-color-scheme: dark) {
  :root {
    --accent: #5ac8fa;
    --money: #b8f26b;
    --ink: #f2f2f4;
    --muted: rgba(255, 255, 255, .55);
    --line: rgba(255, 255, 255, .1);
    --bg: #111113;
    --card: #1f1f22;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
}
main { max-width: 720px; margin: 0 auto; padding: 56px 22px 80px; }
header { display: flex; align-items: center; gap: 16px; margin-bottom: 36px; }
header img { width: 64px; height: 64px; border-radius: 15px; box-shadow: 0 4px 14px rgba(0, 0, 0, .12); }
header h1 { margin: 0; font-size: 28px; line-height: 1.2; }
header p { margin: 2px 0 0; color: var(--muted); font-size: 15px; }
nav { display: flex; gap: 18px; margin-bottom: 28px; font-size: 15px; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
section { background: var(--card); border-radius: 18px; padding: 24px 26px; margin-bottom: 18px; }
section > h2 { margin: 0 0 6px; font-size: 21px; }
h3 { margin: 22px 0 4px; font-size: 17px; }
p, li { margin: 6px 0; }
ul { padding-left: 20px; }
.muted { color: var(--muted); font-size: 15px; }
.lang { display: inline-block; margin-bottom: 8px; font-size: 13px; font-weight: 600; letter-spacing: .08em; color: var(--accent); }
.mail { font-size: 19px; font-weight: 600; }
hr { border: 0; border-top: 1px solid var(--line); margin: 26px 0; }
footer { margin-top: 30px; color: var(--muted); font-size: 13px; text-align: center; }