:root {
  --stage: #064E3B;
  --stage-deep: #022C22;
  --gold: #FBBF24;
  --gold-dim: #D97706;
  --ivory: #FFFEF7;
  --card: #FFFCF2;
  --ink: #14532D;
  --muted: #3F6212;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: Georgia, "Songti SC", "SimSun", "Microsoft YaHei", serif;
  background-color: var(--ivory);
  background-image:
    radial-gradient(circle at 8% 12%, rgba(251, 191, 36, 0.35) 0 3px, transparent 4px),
    radial-gradient(circle at 22% 40%, rgba(251, 191, 36, 0.28) 0 2px, transparent 3px),
    radial-gradient(circle at 78% 18%, rgba(251, 191, 36, 0.32) 0 3px, transparent 4px),
    radial-gradient(circle at 91% 62%, rgba(251, 191, 36, 0.25) 0 2px, transparent 3px),
    radial-gradient(circle at 48% 8%, rgba(251, 191, 36, 0.2) 0 2px, transparent 3px);
  background-size: 180px 180px, 220px 220px, 200px 200px, 240px 240px, 160px 160px;
  color: var(--ink);
  line-height: 1.78;
}

a { color: var(--gold-dim); text-decoration: none; }
a:hover { color: var(--stage); text-decoration: underline; }

.proscenium {
  background: var(--stage-deep);
  color: var(--ivory);
  border-bottom: 6px solid var(--gold);
}

.proscenium-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 16px 22px 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--gold);
  margin-bottom: 10px;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 0.9rem;
}

.nav a { color: #D1FAE5; }
.nav a:hover { color: var(--gold); text-decoration: none; }

.hero {
  max-width: 1140px;
  margin: 0 auto;
  padding: 36px 22px 10px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
}

.hero h1 {
  font-size: clamp(1.55rem, 2.8vw, 2.1rem);
  line-height: 1.35;
  color: var(--stage-deep);
  margin-bottom: 14px;
}

.hero p { margin-bottom: 8px; color: var(--muted); }

.stage-box {
  background: var(--stage);
  color: #ECFDF5;
  min-height: 220px;
  padding: 18px;
  position: relative;
  box-shadow: inset 0 0 0 3px var(--gold);
}

.stage-box .lights {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.wing {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 0.78rem;
}

.wing span {
  background: #065F46;
  padding: 8px;
  border-left: 3px solid var(--gold);
}

.wrap { max-width: 1140px; margin: 0 auto; padding: 8px 22px 60px; }

.section { margin: 34px 0; }

.section h2 {
  font-size: 1.4rem;
  color: var(--stage-deep);
  margin-bottom: 12px;
  padding-left: 12px;
  border-left: 5px solid var(--gold);
}

.lead { margin-bottom: 12px; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}

.steps article {
  background: var(--card);
  padding: 14px;
  border: 1px solid #FDE68A;
}

.steps b { display: block; color: var(--gold-dim); margin-bottom: 6px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 0.93rem;
  background: var(--card);
}

th, td {
  border: 1px solid #FDE68A;
  padding: 11px 12px;
  text-align: left;
  vertical-align: top;
}

th { background: var(--stage); color: var(--gold); }

.back-steps {
  background: var(--stage);
  color: #ECFDF5;
  padding: 20px;
}

.back-steps h2 { color: var(--gold); border-left-color: var(--gold); }
.back-steps p { margin-bottom: 10px; }
.back-steps ol { padding-left: 1.3em; }
.back-steps li { margin-bottom: 8px; }

.edge {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.edge article {
  background: var(--card);
  padding: 16px;
  box-shadow: 0 0 0 1px #FDE68A;
}

.stack {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 14px 0;
}

.stack span {
  display: block;
  height: 14px;
  background: #A7F3D0;
  border-left: 10px solid var(--gold);
}

.stack span:nth-child(1) { width: 92%; }
.stack span:nth-child(2) { width: 78%; }
.stack span:nth-child(3) { width: 64%; }
.stack span:nth-child(4) { width: 50%; }

.groups {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.groups article {
  background: var(--stage-deep);
  color: #D1FAE5;
  padding: 16px;
}

.groups h3 {
  color: var(--gold);
  font-size: 1.02rem;
  margin-bottom: 8px;
}

.ticket {
  background: var(--card);
  border-top: 1px dashed var(--gold-dim);
  border-bottom: 1px dashed var(--gold-dim);
  padding: 14px 16px;
  margin-bottom: 12px;
}

.ticket h3 {
  font-size: 1.02rem;
  color: var(--stage-deep);
  margin-bottom: 8px;
}

.ticket p {
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  color: var(--muted);
  font-size: 0.95rem;
}

.foot {
  background: var(--stage-deep);
  color: #A7F3D0;
  padding: 22px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 0.9rem;
  border-top: 4px solid var(--gold);
}

.foot-inner { max-width: 1140px; margin: 0 auto; }
.foot p { margin-bottom: 7px; }

@media (max-width: 840px) {
  .hero, .steps, .edge, .groups { grid-template-columns: 1fr; }
}