/* Set 6: selection-driven tile dashboard */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Trebuchet MS", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #fafafa;
  color: #18181b;
  line-height: 1.7;
}
.bar {
  background: #18181b;
  color: #fff;
  padding: 16px 0;
}
.bar-in {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: 0.06em;
}
.seg { display: flex; background: #27272a; border-radius: 8px; overflow: hidden; }
.seg a {
  color: #d4d4d8;
  text-decoration: none;
  padding: 8px 14px;
  font-size: 14px;
}
.seg a.current { background: #9d174d; color: #fff; }
.canvas { max-width: 1100px; margin: 0 auto; padding: 28px 20px 46px; }
.hero {
  display: grid;
  grid-template-columns: 1.3fr 0.7fr;
  gap: 20px;
  margin-bottom: 22px;
}
.hero-main { padding: 8px 8px 0 0; }
h1 { font-size: 30px; line-height: 1.35; margin-bottom: 12px; }
h2 {
  font-size: 22px;
  margin: 0 0 12px;
  color: #9d174d;
}
.lead { margin-bottom: 14px; }
.btn {
  display: inline-block;
  background: #9d174d;
  color: #fff;
  text-decoration: none;
  padding: 12px 22px;
  font-weight: 700;
}
.btn:hover { background: #831843; }
.hero-side {
  background: #18181b;
  color: #f4f4f5;
  padding: 18px;
}
.hero-side h2 { color: #fb7185; }
.tiles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 12px 0 22px;
}
.tile {
  background: #fff;
  border: 1px solid #e4e4e7;
  padding: 16px;
  border-left: 6px solid #9d174d;
}
.tile h3 { font-size: 16px; margin-bottom: 8px; }
.section { margin: 28px 0; }
p { margin-bottom: 12px; }
ul, ol { margin: 0 0 12px 20px; }
table { width: 100%; border-collapse: collapse; background: #fff; margin: 10px 0 16px; }
th, td { border: 1px solid #e4e4e7; padding: 8px 10px; text-align: left; }
th { background: #18181b; color: #fff; }
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.faq-grid article {
  background: #fff;
  border: 1px solid #e4e4e7;
  padding: 14px;
}
.faq-grid h3 { font-size: 16px; margin-bottom: 8px; color: #9d174d; }
.note { background: #fff1f2; border: 1px solid #fda4af; padding: 10px 12px; margin: 12px 0; }
footer {
  background: #09090b;
  color: #a1a1aa;
  padding: 28px 0 34px;
  font-size: 13px;
}
.foot-in { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
footer a { color: #fb7185; margin-right: 14px; }
@media (max-width: 860px) {
  .hero, .tiles, .faq-grid { grid-template-columns: 1fr; }
  .bar-in { flex-direction: column; align-items: flex-start; gap: 12px; }
}