:root { --bg: #f4f6f9; --card: #fff; --ink: #16202b; --ink-2: #4a5866; --line: #e1e7ee; --brand: #1E88E5; color-scheme: light; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f151c; --card: #1a232d; --ink: #e8eef4; --ink-2: #b3c0cc; --line: #2a3643; --brand: #64AFED; color-scheme: dark; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; }
header { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
header img { border-radius: 8px; }
header a { color: var(--ink); text-decoration: none; font-weight: 700; }
article { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 24px 22px; }
h1 { font-size: 26px; line-height: 1.3; margin: 0 0 4px; }
h2 { font-size: 18px; margin: 28px 0 8px; }
.updated { color: var(--ink-2); font-size: 14px; margin: 0 0 16px; }
p, li { color: var(--ink); }
ul { padding-left: 22px; }
li { margin: 4px 0; }
a { color: var(--brand); }
footer { margin-top: 20px; color: var(--ink-2); font-size: 14px; display: flex; gap: 16px; flex-wrap: wrap; }
table { border-collapse: collapse; width: 100%; font-size: 15px; margin: 8px 0; }
th, td { text-align: left; vertical-align: top; border-top: 1px solid var(--line); padding: 8px 8px 8px 0; }
th { color: var(--ink-2); font-weight: 600; }
@media (max-width: 560px) { article { padding: 18px 16px; } table, thead, tbody, tr, th, td { display: block; } thead { display: none; } td { border-top: 0; padding: 2px 0; } td:first-child { font-weight: 600; } tr { border-top: 1px solid var(--line); padding: 8px 0; } }