/* 根域场景驱动：报式分栏 + 开盘时间轴，非卡片宫格 */
:root {
  --ink: #1a1412;
  --muted: #5c534e;
  --paper: #f3efe8;
  --sheet: #fffdf8;
  --rule: #d8cfc4;
  --brand: #b11226;
  --brand-dark: #7f0c1a;
  --gold: #8a6a2f;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Source Han Serif SC", "Noto Serif SC", "Songti SC", "SimSun", serif;
  font-size: 17px;
  line-height: 1.75;
}

.mast {
  background: var(--sheet);
  border-bottom: 3px double var(--brand);
}
.mast-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 22px 0;
}
.brand-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 10px;
}
.brand {
  font-size: 34px;
  letter-spacing: 0.18em;
  color: var(--brand);
  text-decoration: none;
  font-weight: 700;
}
.brand-tag {
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.08em;
}
.nav {
  display: flex;
  gap: 28px;
  padding: 12px 0 14px;
}
.nav a {
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 2px solid transparent;
  padding-bottom: 4px;
}
.nav a.current {
  color: var(--brand);
  border-bottom-color: var(--brand);
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 22px; }

.hero {
  display: grid;
  grid-template-columns: 1.55fr 0.9fr;
  gap: 36px;
  padding: 36px 0 20px;
}
.kicker {
  color: var(--brand);
  font-size: 13px;
  letter-spacing: 0.2em;
  margin: 0 0 8px;
}
.hero h1 {
  font-size: 34px;
  line-height: 1.35;
  margin: 0 0 16px;
}
.lead { color: var(--muted); margin: 0 0 18px; }
.hero-meta {
  display: flex;
  gap: 22px;
  font-size: 14px;
  color: var(--gold);
  margin-bottom: 8px;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }

.dl-rail {
  background: var(--sheet);
  border: 1px solid var(--rule);
  border-top: 6px solid var(--brand);
  padding: 22px 20px 24px;
}
.dl-rail h2 {
  font-size: 18px;
  margin: 0 0 10px;
}
.btn {
  display: block;
  text-align: center;
  text-decoration: none;
  padding: 12px 14px;
  margin: 8px 0;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 15px;
}
.btn-win { background: var(--brand); color: #fff; }
.btn-win:hover { background: var(--brand-dark); }
.btn-mac { background: #2c2a28; color: #fff; }
.btn-ios { background: #fff; color: var(--brand); border: 1px solid var(--brand); }
.btn-and { background: #efe6d8; color: var(--ink); }

.primer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--rule);
  background: var(--sheet);
  margin: 8px 0 12px;
}
.primer article {
  padding: 22px 24px 12px;
}
.primer article + article { border-left: 1px solid var(--rule); }
.primer h2 { font-size: 20px; margin: 0 0 10px; }
.primer-wide {
  background: var(--sheet);
  border-top: 4px solid var(--gold);
  padding: 22px 24px 12px;
  margin: 0 0 8px;
}
.primer-wide h2 { font-size: 22px; margin: 0 0 10px; }

.scene {
  padding: 28px 0;
  border-top: 1px solid var(--rule);
}
.scene.alt { background: #efe8dc; margin: 0 -22px; padding: 28px 22px; }
.scene h2 { font-size: 24px; margin: 0 0 12px; }
.scene p { margin: 0 0 12px; }
.scene ul { margin: 8px 0 0 1.2em; padding: 0; }

.split-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  padding: 28px 0;
  border-top: 1px solid var(--rule);
}
.split-2 h2 { font-size: 22px; margin: 0 0 10px; }

.sheet-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  background: var(--sheet);
}
.sheet-table th, .sheet-table td {
  border: 1px solid var(--rule);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}
.sheet-table th { background: #f7efe3; color: var(--brand-dark); }

.faq { padding: 28px 0 40px; border-top: 1px solid var(--rule); }
.faq h2 { font-size: 24px; }
.faq-item { margin: 0 0 18px; }
.faq-item h3 {
  font-size: 17px;
  margin: 0 0 6px;
  color: var(--brand-dark);
  font-weight: 700;
}
.faq-item p { margin: 0; color: var(--muted); }

.foot {
  background: #211c19;
  color: #d7cfc6;
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  font-size: 13px;
  line-height: 1.7;
  padding: 28px 0 36px;
}
.foot a { color: #f3d2d6; }
.foot .safe { color: #f0e6c8; margin-bottom: 8px; }
.foot-nav { display: flex; gap: 16px; margin-bottom: 10px; }

.icon { width: 16px; height: 16px; fill: currentColor; }

@media (max-width: 860px) {
  .hero, .split-2, .primer { grid-template-columns: 1fr; }
  .primer article + article { border-left: 0; border-top: 1px solid var(--rule); }
  .brand { font-size: 26px; }
  .hero h1 { font-size: 26px; }
}