:root {
  --pine: #1c463c;
  --pine-2: #14352d;
  --sand: #f3ecdf;
  --ink: #241c14;
  --muted: #5e5346;
  --line: #e0d3bf;
  --paper: #fffaf3;
  --clay: #8c4a32;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--sand);
  font: 17px/1.8 "Microsoft YaHei", "PingFang SC", sans-serif;
}
a { color: var(--clay); }
.side {
  position: fixed;
  inset: 0 auto 0 0;
  width: 232px;
  background: var(--pine);
  color: #f6f1e6;
  padding: 28px 18px 24px;
  overflow: auto;
}
.brand {
  display: flex;
  gap: 8px;
  align-items: center;
  color: #fff;
  text-decoration: none;
  font-family: "Palatino Linotype", "Songti SC", "SimSun", serif;
  font-size: 22px;
  font-weight: 700;
}
.side nav { display: flex; flex-direction: column; margin-top: 28px; gap: 6px; }
.side nav a {
  color: #f6f1e6;
  text-decoration: none;
  padding: 10px 12px;
  border-left: 3px solid transparent;
}
.side nav a.on { border-left-color: #e2c48a; background: rgba(255,255,255,0.06); }
.maincol { margin-left: 232px; }
.hero { background: #efe4cf; border-bottom: 1px solid var(--line); }
.hero-in { width: min(980px, calc(100% - 48px)); margin: 0 auto; padding: 36px 0 28px; }
.hero h1 {
  margin: 0 0 12px;
  font-family: "Palatino Linotype", "Songti SC", "SimSun", serif;
  font-size: 36px;
  line-height: 1.35;
  font-weight: 700;
}
.lede { font-size: 17px; }
.points { padding-left: 18px; }
.points li { margin: 4px 0; }
.hero-dl {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.btn {
  display: inline-block;
  text-decoration: none;
  border-radius: 999px;
  padding: 10px 18px;
  font-weight: 700;
}
.btn-main { background: var(--pine); color: #fff; }
.btn-main:hover { background: var(--pine-2); color: #fff; }
.btn-line { background: transparent; color: var(--pine); border: 1px solid var(--pine); }
.btn-line:hover { background: var(--pine); color: #fff; }
main { width: min(980px, calc(100% - 48px)); margin: 0 auto; padding: 10px 0 48px; }
.block { padding: 26px 0 8px; border-top: 1px solid var(--line); }
.block h2 {
  margin: 0 0 14px;
  text-align: center;
  font-family: "Palatino Linotype", "Songti SC", "SimSun", serif;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.4;
}
.block h2::after {
  content: "";
  display: block;
  width: 72px;
  margin: 8px auto 0;
  border-bottom: 3px double var(--clay);
}
.block p { margin: 0 0 12px; }
.scene { margin: 0 0 14px 8px; padding: 0 0 8px 16px; border-left: 3px solid #c4a574; }
.scene h3, .comp h3, .faq-item h3, .news-item h3 { margin: 0 0 4px; font-size: 18px; color: var(--pine); }
.comp { padding: 8px 0 12px; }
.feats { margin: 0; padding-left: 1.3em; }
.feats li { margin: 0 0 12px; }
.feats h3 { display: inline; font-size: 17px; }
.feats h3::after { content: "。"; }
table { width: 100%; border-collapse: collapse; margin: 8px 0 16px; background: var(--paper); }
th, td { border-bottom: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { color: var(--pine); font-weight: 700; }
.news-list { columns: 2; column-gap: 28px; }
.news-item { break-inside: avoid; margin: 0 0 16px; }
.news-item time { display: block; color: var(--clay); font-size: 14px; }
.faq-item { padding: 12px 14px; margin: 0 0 8px; background: var(--paper); }
.faq-item:nth-child(even) { background: #f7f1e6; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0 16px; }
footer { background: var(--pine-2); color: #efe6d6; padding: 22px 0 28px; }
.foot-in { width: min(980px, calc(100% - 48px)); margin: 0 auto; }
.foot-nav { display: flex; gap: 14px; margin-bottom: 8px; }
.foot-nav a { color: #fff; text-decoration: none; }
.foot-nav a.on { text-decoration: underline; text-underline-offset: 4px; }
footer p { margin: 6px 0; font-size: 14px; }
@media (max-width: 860px) {
  .side { position: static; width: auto; }
  .maincol { margin-left: 0; }
  .side nav { flex-direction: row; flex-wrap: wrap; margin-top: 12px; }
  .hero h1 { font-size: 28px; }
  .news-list { columns: 1; }
}