:root {
  --stone: #1c1917;
  --orange: #c2410c;
  --bg: #fafaf9;
  --ink: #292524;
  --line: #e7e5e4;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16.5px;
  line-height: 1.7;
}
a { color: #9a3412; }
.dark { background: var(--stone); color: #fafaf9; }
.dark-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 14px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand { color: #fff; text-decoration: none; font-weight: 700; display: flex; gap: 8px; align-items: center; }
.dark nav { display: flex; gap: 16px; }
.dark nav a { color: #e7e5e4; text-decoration: none; padding: 4px 0; }
.dark nav a.on { color: #fdba74; border-bottom: 2px solid #fdba74; }
.stack { max-width: 1040px; margin: 0 auto; padding: 16px 18px 36px; }
.panel { background: #fff; border: 1px solid var(--line); margin: 0 0 14px; padding: 16px 18px 8px; }
.hero { display: grid; grid-template-columns: 1.4fr 0.7fr; gap: 16px; }
.hero h1 { margin: 0 0 8px; font-size: 30px; line-height: 1.35; }
.plist { margin: 8px 0 12px; padding-left: 18px; }
.sidestack { border-left: 3px solid var(--orange); padding-left: 12px; }
.btn {
  display: block;
  background: var(--orange);
  color: #fff;
  text-decoration: none;
  padding: 8px 10px;
  margin: 0 0 8px;
  font-weight: 700;
  text-align: center;
}
.btn.flat { display: inline-block; background: #fff; color: var(--orange); border: 1px solid var(--orange); margin-right: 8px; }
.block h2 { margin: 0 0 10px; font-size: 22px; border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.block p { margin: 0 0 12px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 16px; }
.grid2 h3 { margin: 0 0 4px; font-size: 16px; color: var(--orange); }
ol.seq { list-style: none; margin: 0 0 12px; padding: 0; counter-reset: seq; }
ol.seq li { counter-increment: seq; margin: 0 0 10px; padding-left: 36px; position: relative; }
ol.seq li::before {
  content: counter(seq);
  position: absolute;
  left: 0;
  top: 0;
  width: 24px;
  height: 24px;
  background: var(--stone);
  color: #fff;
  text-align: center;
  line-height: 24px;
  font-size: 13px;
}
table { width: 100%; border-collapse: collapse; margin: 0 0 12px; }
th, td { border: 1px solid var(--line); padding: 7px 8px; text-align: left; vertical-align: top; }
th { background: #f5f5f4; }
.news { list-style: none; margin: 0; padding: 0; }
.news li { display: grid; grid-template-columns: 96px 1fr; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.news h3 { margin: 0 0 4px; font-size: 16px; }
.news time { color: var(--orange); }
.faq dt { font-weight: 700; margin-top: 12px; }
.faq dd { margin: 4px 0 0; }
.foot { background: #292524; color: #e7e5e4; padding: 16px 18px 28px; font-size: 14px; }
.foot-inner { max-width: 1040px; margin: 0 auto; }
.foot a { color: #fdba74; }
.foot p { margin: 0 0 8px; }
@media (max-width: 800px) {
  .hero, .grid2, .news li { grid-template-columns: 1fr; }
  .dark-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
}