/* 隐私政策与支持页的独立样式：不依赖主程序 styles.css，颜色取同一组中性灰。 */
:root {
  color-scheme: light dark;
  --bg: oklch(0.985 0 0);
  --ink-1: oklch(0.205 0 0);
  --ink-2: oklch(0.430 0 0);
  --line: oklch(0.205 0 0 / 0.12);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: oklch(0.145 0 0);
    --ink-1: oklch(0.965 0 0);
    --ink-2: oklch(0.790 0 0);
    --line: oklch(0.965 0 0 / 0.14);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink-1);
  font: 16px/1.7 -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Segoe UI", sans-serif;
  -webkit-text-size-adjust: 100%;
}
main {
  max-width: 44rem;
  margin: 0 auto;
  padding: max(2.5rem, env(safe-area-inset-top)) 1.25rem 4rem;
}
.brand { margin: 0 0 0.25rem; font-weight: 600; color: var(--ink-2); letter-spacing: 0.02em; }
h1 { margin: 0; font-size: 1.75rem; line-height: 1.3; }
h2 { margin: 2rem 0 0.5rem; font-size: 1.125rem; }
.meta { margin: 0.5rem 0 1.5rem; color: var(--ink-2); font-size: 0.9375rem; }
p, li { color: var(--ink-1); }
ul { padding-left: 1.25rem; }
li + li { margin-top: 0.375rem; }
a { color: inherit; text-underline-offset: 0.2em; }
table { width: 100%; border-collapse: collapse; font-size: 0.9375rem; }
th, td { text-align: left; vertical-align: top; padding: 0.625rem 0.5rem 0.625rem 0; border-bottom: 1px solid var(--line); }
th { color: var(--ink-2); font-weight: 600; }
hr { margin: 3rem 0; border: 0; border-top: 1px solid var(--line); }
@media (max-width: 30rem) {
  table, thead, tbody, tr, th, td { display: block; }
  thead { display: none; }
  tr { padding: 0.75rem 0; border-bottom: 1px solid var(--line); }
  td { border: 0; padding: 0.125rem 0; }
  td:first-child { font-weight: 600; }
}