:root {
  --bg: #f4f8ff;
  --card: #ffffff;
  --ink: #18223a;
  --muted: #55607a;
  --line: #dde5f3;
  --accent: #ff7a1a;
  --accent-ink: #b44a00;
  --sky: #2f80ed;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1526;
    --card: #182036;
    --ink: #eef2fb;
    --muted: #a7b1c8;
    --line: #2a3552;
    --accent: #ff9a4d;
    --accent-ink: #ffb57d;
    --sky: #7fb2ff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 ui-rounded, "SF Pro Rounded", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 28px 16px 56px; }
header.top { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
header.top img { width: 56px; height: 56px; border-radius: 13px; flex: none; }
header.top a { color: inherit; text-decoration: none; }
header.top .name { font-weight: 800; font-size: 20px; line-height: 1.2; }
header.top .tag { color: var(--muted); font-size: 15px; }
nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 24px; }
nav a {
  padding: 6px 14px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--card); color: var(--ink); text-decoration: none; font-weight: 600; font-size: 15px;
}
nav a[aria-current="page"] { background: var(--accent); border-color: var(--accent); color: #fff; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
.meta { color: var(--muted); font-size: 15px; margin: 0 0 20px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 18px 20px; margin: 16px 0;
}
.card.lead { border-left: 5px solid var(--accent); }
ul { padding-left: 22px; }
li { margin: 4px 0; }
a { color: var(--sky); }
strong { font-weight: 700; }
footer { margin-top: 40px; color: var(--muted); font-size: 14px; border-top: 1px solid var(--line); padding-top: 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.grid .card { margin: 0; }
.grid .card h2 { margin-top: 0; font-size: 18px; }