:root { color-scheme: light; --ink: #202328; --muted: #626873; --gold: #785525; --line: #e5e7eb; }
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { margin: 0; color: var(--ink); background: #f6f7f8; font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.85; overflow-wrap: anywhere; }
a { color: var(--gold); text-underline-offset: 4px; }
a:focus-visible { outline: 2px solid var(--gold); outline-offset: 5px; border-radius: 2px; }
.top { max-width: 920px; margin: auto; padding: 24px 30px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { color: var(--ink); font-size: 20px; font-weight: 650; text-decoration: none; }
.top nav { display: flex; gap: 22px; font-size: 14px; }
main { max-width: 920px; margin: 0 auto 32px; padding: 48px 56px; background: #fff; border: 1px solid var(--line); border-radius: 24px; }
h1 { font-size: 34px; line-height: 1.35; letter-spacing: -.7px; margin: 0 0 16px; }
h2 { font-size: 23px; line-height: 1.5; margin: 38px 0 14px; }
h3 { font-size: 18px; margin: 24px 0 10px; }
p, ul, ol { margin: 12px 0; }
ul, ol { padding-left: 24px; }
li + li { margin-top: 6px; }
.meta, footer { color: var(--muted); font-size: 14px; }
.contents { padding: 20px 24px; background: #f6f7f8; border-radius: 12px; }
.contents ol { columns: 2; column-gap: 30px; }
.contents li { break-inside: avoid; }
.table-scroll { overflow-x: auto; margin: 18px 0; }
table { width: 100%; border-collapse: collapse; font-size: 14px; min-width: 620px; }
th, td { padding: 12px; text-align: left; vertical-align: top; border: 1px solid var(--line); }
th { background: #f6f7f8; font-weight: 600; }
footer { max-width: 920px; margin: auto; padding: 0 24px 36px; text-align: center; }
@media (max-width: 640px) {
  body { font-size: 15px; }
  .top { padding: 18px 20px; }
  .top nav { gap: 16px; font-size: 12px; }
  main { margin: 0 10px 24px; padding: 28px 20px; border-radius: 18px; }
  h1 { font-size: 28px; }
  h2 { font-size: 21px; }
  .contents { padding: 14px 18px; }
  .contents ol { columns: 1; }
}
@media print { body, main { background: white; } main { border: 0; padding: 0; } .top, .contents { display: none; } .table-scroll { overflow: visible; } table { min-width: 0; } }