:root {
  --p1: #2c4a3a;
  --p2: #3a3f66;
  --p3: #6a3a2a;
  --ticket: #f7f1e4;
  --ink: #1e1a16;
  --rule: #c8b89a;
  --bg: #efe7d6;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; }
body {
  font-family: "Iowan Old Style", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 17px;
}
a { color: inherit; }
.wrap { width: min(1140px, calc(100% - 32px)); margin: 0 auto; }

.mast { padding: 16px 0; border-bottom: 2px dashed var(--rule); }
.mast-row { display: flex; align-items: center; gap: 12px; }
.brand { font-size: 15px; letter-spacing: 0.1em; }

.path-rail {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  position: sticky;
  top: 0;
  z-index: 12;
  background: var(--bg);
  border-bottom: 2px solid var(--ink);
}
.path-rail div {
  padding: 10px 12px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.path-rail .n { width: 22px; height: 22px; border: 1px solid #fff; display: grid; place-items: center; font-weight: 700; }
.path-rail .p1 { background: var(--p1); }
.path-rail .p2 { background: var(--p2); }
.path-rail .p3 { background: var(--p3); }

.hero { padding: 48px 0 28px; }
h1 { font-size: clamp(26px, 3.6vw, 36px); line-height: 1.35; max-width: 16em; margin-bottom: 16px; }
.hero p { margin-bottom: 12px; max-width: 46em; }

.tri {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}
.ticket {
  background: var(--ticket);
  border: 1px solid var(--ink);
  position: relative;
  padding: 18px 16px 16px;
}
.ticket::before, .ticket::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--bg);
  border: 1px solid var(--ink);
  border-radius: 50%;
}
.ticket::before { top: -9px; left: 14px; }
.ticket::after { top: -9px; right: 14px; }
.ticket .num {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 6px;
}
.t1 .num { color: var(--p1); }
.t2 .num { color: var(--p2); }
.t3 .num { color: var(--p3); }
.ticket h3 { font-size: 17px; margin-bottom: 8px; }
.ticket p { font-size: 14.5px; margin-bottom: 8px; color: #3a332c; }
.perf {
  margin: 12px -16px 10px;
  height: 0;
  border-top: 2px dashed var(--rule);
}

.section { padding: 40px 0; border-top: 2px dashed var(--rule); }
h2 { font-size: clamp(21px, 2.4vw, 26px); line-height: 1.4; margin-bottom: 14px; max-width: 18em; }
.lead { margin-bottom: 12px; max-width: 48em; }

.steps { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; margin-top: 14px; }
.step { background: var(--ticket); border: 1px solid var(--ink); padding: 14px; }
.step h3 { font-size: 16px; margin-bottom: 8px; }
.step p { font-size: 14.5px; color: #3a332c; }

.table-wrap { overflow-x: auto; margin-top: 14px; }
table { width: 100%; border-collapse: collapse; background: var(--ticket); }
th, td { border: 1px solid var(--ink); padding: 10px 12px; text-align: left; font-size: 14.5px; vertical-align: top; }
th { background: #2a2622; color: var(--ticket); }
.col1 { box-shadow: inset 3px 0 0 var(--p1); }
.col2 { box-shadow: inset 3px 0 0 var(--p2); }
.col3 { box-shadow: inset 3px 0 0 var(--p3); }

.faq { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; margin-top: 14px; }
.faq details { background: var(--ticket); border: 1px solid var(--ink); padding: 12px; }
.faq summary { cursor: pointer; font-weight: 600; }
.faq p { margin-top: 8px; font-size: 14.5px; color: #3a332c; }

.site-footer { border-top: 2px solid var(--ink); padding: 32px 0 24px; font-size: 14px; }
.site-footer h2 { font-size: 18px; }
.site-footer p { margin-bottom: 10px; max-width: 48em; }
.legal { margin-top: 14px; padding-top: 12px; border-top: 2px dashed var(--rule); }

@media (max-width: 860px) {
  .tri, .steps, .path-rail, .faq { grid-template-columns: 1fr; }
}

.mast-row { justify-content: space-between; flex-wrap: wrap; }
.mast-nav { display: flex; flex-wrap: wrap; gap: 10px 14px; font-size: 13px; letter-spacing: 0.04em; }
.mast-nav a { text-decoration: none; border-bottom: 1px solid transparent; }
.mast-nav a:hover { border-bottom-color: currentColor; }