/* 规则页（静态网页，给人和 AI 搜索看）的样式：跟牌桌一样的配色 */
:root {
  --felt: #24453a;
  --felt-deep: #1b362d;
  --lacquer: #8b2e22;
  --paper: #fbf6ea;
  --gold: #c9a227;
  --gold-soft: #e3c766;
  --sandal: #16110e;
  color-scheme: dark;
}
* {
  box-sizing: border-box;
}
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
body {
  margin: 0;
  background: var(--sandal);
  color: var(--paper);
  font: 17px/1.75 "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
}
.page {
  max-width: 860px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}
.felt {
  background: radial-gradient(ellipse at 50% 0%, #2b5244 0%, var(--felt) 45%, var(--felt-deep) 100%);
  border: 6px solid var(--lacquer);
  box-shadow: inset 0 0 0 1.5px var(--gold);
  border-radius: 16px;
  padding: 28px clamp(18px, 5vw, 48px) 36px;
}
nav.top {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: center;
  font-size: 15px;
  margin-bottom: 18px;
}
nav.top .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--paper);
  text-decoration: none;
  margin-right: auto;
}
nav.top .brand img {
  width: 28px;
  height: 28px;
}
a {
  color: var(--gold-soft);
}
h1,
h2,
h3 {
  font-family: "Ma Shan Zheng", "Kaiti SC", "STKaiti", "KaiTi", serif;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.04em;
}
h1 {
  font-size: clamp(34px, 7vw, 52px);
  margin: 8px 0 6px;
}
h2 {
  font-size: 30px;
  margin: 40px 0 10px;
  color: var(--gold-soft);
}
h3 {
  font-size: 23px;
  margin: 24px 0 6px;
}
[lang="en"] h1,
[lang="en"] h2,
[lang="en"] h3 {
  font-family: "Noto Serif SC", Georgia, serif;
  font-weight: 700;
  letter-spacing: 0;
}
.lead {
  font-size: 19px;
  color: rgb(251 246 234 / 0.92);
}
.meta {
  font-size: 14px;
  color: rgb(251 246 234 / 0.6);
}
.cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0 6px;
}
.cta a {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 8px;
  border: 1px solid var(--gold);
  text-decoration: none;
  color: var(--paper);
  background: rgb(0 0 0 / 0.25);
}
.cta a.primary {
  background: var(--lacquer);
}
.table-wrap {
  overflow-x: auto;
}
table {
  border-collapse: collapse;
  width: 100%;
  margin: 8px 0;
  font-size: 15px;
}
th,
td {
  border: 1px solid rgb(201 162 39 / 0.35);
  padding: 7px 10px;
  text-align: left;
  vertical-align: top;
}
th {
  background: rgb(0 0 0 / 0.25);
}
dl.faq dt {
  font-weight: 700;
  margin-top: 14px;
}
dl.faq dd {
  margin: 4px 0 0;
  color: rgb(251 246 234 / 0.88);
}
.lang-sep {
  margin: 48px 0 0;
  border: 0;
  border-top: 1px solid rgb(201 162 39 / 0.45);
}
footer {
  margin-top: 28px;
  font-size: 14px;
  color: rgb(251 246 234 / 0.6);
}