:root { --orange: #e86f19; --ink: #242322; --muted: #6f6a64; --paper: #fbfaf7; }
* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: 'Microsoft YaHei','PingFang SC',system-ui,sans-serif; line-height: 1.8; }
a { color: inherit; }
a:focus-visible { outline: 2px solid #bf4d0b; outline-offset: 5px; }
.topline { height: 4px; background: var(--orange); }
header { border-bottom: 1px solid #24232220; }
.nav, main { width: min(1180px,calc(100% - 48px)); margin: 0 auto; }
.nav { min-height: 78px; display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; margin-right: auto; text-decoration: none; font-weight: 800; letter-spacing: .08em; }
.brand img { width: 42px; height: 42px; border-radius: 11px; }
.brand small { display: block; color: var(--muted); font-size: 8px; letter-spacing: .22em; }
.back { color: #bf4d0b; font-size: 14px; text-decoration: none; }
main { padding: 68px 0 80px; }
.kicker { color: #bf4d0b; font-size: 12px; font-weight: 700; letter-spacing: .2em; }
h1 { margin: 12px 0 18px; font-size: clamp(36px,5vw,56px); line-height: 1.2; letter-spacing: -.04em; }
.lead { margin: 0 0 38px; color: var(--muted); max-width: 680px; font-size: 16px; }
.sitemap-grid { display: grid; grid-template-columns: 1.15fr 1.15fr 1fr; align-items: start; gap: 24px; }
.sitemap-card { padding: 28px; background: #fff; border: 1px solid #e8e1d8; border-top: 3px solid #e86f19; border-radius: 4px; }
.sitemap-number { color: #a75a27; font-size: 11px; letter-spacing: .14em; }
.sitemap-card h2, html[lang="en"] .sitemap-card h2 { margin: 8px 0 22px; font-size: 22px; line-height: 1.4; letter-spacing: -.02em; }
.sitemap-card ul { list-style: none; margin: 0; padding: 0; }
.sitemap-card li + li { border-top: 1px solid #f0ece6; }
.sitemap-card a { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 11px 0; text-decoration: none; font-size: 14px; }
.sitemap-card a::after { content: '↗'; color: #b7662e; flex-shrink: 0; }
.sitemap-card a:hover { color: #bf4d0b; }
.sitemap-xml { margin: 26px 0 0; text-align: right; font-size: 12px; color: var(--muted); }
.sitemap-xml a { text-underline-offset: 4px; }
@media (max-width: 900px) {
  .sitemap-grid { grid-template-columns: 1fr 1fr; }
  .sitemap-card:last-child { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .nav, main { width: calc(100% - 32px); }
  .nav { min-height: 69px; gap: 12px; }
  .brand { gap: 8px; }
  .brand img { width: 38px; height: 38px; }
  main { padding: 44px 0 56px; }
  .lead { font-size: 14px; margin-bottom: 28px; }
  .sitemap-grid { grid-template-columns: 1fr; gap: 18px; }
  .sitemap-card { padding: 22px; }
  .sitemap-xml { text-align: center; }
}