:root {
  color-scheme: light;
  --ink: #34241f;
  --muted: #76635a;
  --gold: #c68a2c;
  --line: #e8dcc4;
  --paper: #fffdf6;
  --wash: #f5ecd9;
}

* { box-sizing: border-box; }

html { background: var(--wash); }

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(255, 253, 246, .96), rgba(255, 253, 246, .98)),
    radial-gradient(circle at 20% 0, #f4dba8 0, transparent 35%);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.85;
}

main {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

header {
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

h1 {
  margin: 0 0 12px;
  font-family: "STKaiti", "KaiTi", serif;
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 700;
  letter-spacing: 0;
}

.meta { margin: 0; color: var(--muted); font-size: 14px; }
.notice { margin: 22px 0 0; padding: 16px 18px; background: #fff6dc; border-left: 4px solid var(--gold); }

section { padding-top: 28px; }
h2 { margin: 0 0 12px; font-size: 22px; }
h3 { margin: 20px 0 8px; font-size: 17px; }
p { margin: 8px 0; }
ol, ul { margin: 8px 0; padding-left: 1.5em; }
li + li { margin-top: 7px; }
a { color: #94631b; text-underline-offset: 3px; }
strong { font-weight: 800; }

table { width: 100%; margin: 14px 0; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: #f8efd9; }

footer { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }

@media (max-width: 640px) {
  body { font-size: 15px; }
  main { width: min(100% - 24px, 920px); padding-top: 28px; }
  table, thead, tbody, tr, th, td { display: block; }
  thead { display: none; }
  td { border-bottom: 0; }
  tr:last-child td:last-child { border-bottom: 1px solid var(--line); }
}