* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: auto; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", SimSun, sans-serif;
  color: #2a2a2a;
  background: #fff;
  line-height: 1.85;
  font-size: 16px;
}
a { color: #b51212; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; }
.wrap { width: 1080px; max-width: 96%; margin: 0 auto; }

.topbar {
  background: #8d0e0e;
  color: #fff;
  font-size: 13px;
  padding: 6px 0;
}
.topbar .wrap { display: flex; justify-content: space-between; }

.site-head {
  background: #fff;
  border-bottom: 3px solid #c41e1e;
  padding: 14px 0 0;
}
.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #c41e1e;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2px;
}
.brand svg { display: block; }
.nav {
  display: flex;
  gap: 0;
  border-top: 1px solid #f0d0d0;
}
.nav a {
  display: inline-block;
  padding: 10px 28px;
  color: #333;
  font-weight: 600;
  border-right: 1px solid #f3d6d6;
}
.nav a.current {
  background: #c41e1e;
  color: #fff;
  text-decoration: none;
}

.hero {
  background: linear-gradient(180deg, #c41e1e 0%, #9a1515 100%);
  color: #fff;
  padding: 42px 0 48px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 36px;
  align-items: center;
}
.hero h1 {
  font-size: 30px;
  line-height: 1.4;
  margin-bottom: 16px;
  font-weight: 700;
}
.hero p { margin-bottom: 14px; font-size: 16px; color: #ffe8e8; }
.hero-cta {
  display: inline-block;
  background: #ffd36a;
  color: #6a0f0f;
  font-size: 18px;
  font-weight: 700;
  padding: 12px 28px;
  margin: 10px 10px 0 0;
  text-decoration: none;
}
.hero-cta:hover { background: #ffe08a; text-decoration: none; }
.hero-side {
  background: rgba(255,255,255,0.12);
  padding: 20px 22px;
  border: 1px solid rgba(255,255,255,0.25);
}
.hero-side h2 { font-size: 18px; margin-bottom: 10px; color: #fff; }
.hero-side li { margin: 6px 0 6px 18px; }

.band { padding: 40px 0; }
.band.alt { background: #f7f2f2; }
.band h2 {
  font-size: 22px;
  color: #c41e1e;
  border-left: 6px solid #c41e1e;
  padding-left: 12px;
  margin-bottom: 16px;
}
.band p { margin-bottom: 12px; text-align: justify; }
.scene-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 16px;
}
.scene-card {
  background: #fff;
  border: 1px solid #ead3d3;
  padding: 18px 20px 16px;
}
.scene-card h3 {
  font-size: 17px;
  color: #8d0e0e;
  margin-bottom: 8px;
}
.scene-card svg { margin-bottom: 8px; }

table.data {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 8px;
  background: #fff;
}
table.data th, table.data td {
  border: 1px solid #e2c8c8;
  padding: 8px 10px;
  text-align: left;
  font-size: 15px;
}
table.data th { background: #c41e1e; color: #fff; }

.dl-list { margin: 8px 0 8px 4px; }
.dl-list dt { font-weight: 700; color: #8d0e0e; margin-top: 10px; }
.dl-list dd { margin-left: 0; }

.faq { margin-top: 8px; }
.faq-item {
  border-bottom: 1px dashed #d8b4b4;
  padding: 12px 0;
}
.faq-item h3 { font-size: 16px; color: #333; margin-bottom: 6px; }

.cta-row { margin-top: 18px; }
.btn {
  display: inline-block;
  background: #c41e1e;
  color: #fff;
  padding: 10px 22px;
  margin: 6px 8px 6px 0;
  font-weight: 700;
  text-decoration: none;
}
.btn:hover { background: #a01818; text-decoration: none; }
.btn.gold { background: #d4a017; color: #2a1a00; }

.site-foot {
  background: #3a1010;
  color: #f0d8d8;
  padding: 28px 0 22px;
  font-size: 13px;
  line-height: 1.8;
}
.site-foot a { color: #ffd36a; }
.foot-nav { margin-bottom: 10px; }
.foot-nav a { margin-right: 16px; }
.safe { margin: 8px 0; }

@media (max-width: 800px) {
  .hero-grid, .scene-pair, .brand-row { grid-template-columns: 1fr; display: block; }
  .nav a { padding: 10px 14px; }
}
