/* 第5套：问答驱动 · 居中长文 · 紫灰色带交替 */
@page-reset {
  margin: 0;
}
body {
  margin: 0;
  background: #f3f0f7;
  color: #2d2438;
  font: 16px/1.85 "Georgia", "Source Han Serif SC", "SimSun", serif;
}
.bar {
  background: #5b3d99;
  color: #fff;
  padding: 12px 0;
}
.bar-in, .paper, .band-in, .tail-in {
  width: min(720px, 92vw);
  margin: 0 auto;
}
.sign {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 18px;
}
.crumbs {
  display: flex;
  gap: 18px;
  margin-top: 8px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}
.crumbs a { color: #e6dcff; text-decoration: none; }
.crumbs a.stay { color: #fff; border-bottom: 2px solid #fff; }
.hero-q {
  padding: 40px 0 10px;
}
.hero-q h1 { font-size: 30px; margin: 0 0 14px; }
.btn-v, .btn-w {
  display: inline-block;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  padding: 11px 18px;
  margin: 12px 8px 0 0;
  text-decoration: none;
  font-weight: 700;
}
.btn-v { background: #5b3d99; color: #fff; }
.btn-w { background: #fff; color: #5b3d99; border: 1px solid #5b3d99; }
.paper { padding-bottom: 20px; }
.ask-block {
  background: #fff;
  padding: 20px 22px;
  margin: 18px 0;
  border-radius: 10px;
  box-shadow: 0 1px 0 #ddd4ea;
}
.ask-block h2 {
  margin: 0 0 10px;
  font-size: 22px;
  color: #5b3d99;
}
.band {
  background: #5b3d99;
  color: #f6f1ff;
  padding: 28px 0;
  margin: 8px 0;
}
.band h2 { color: #fff; }
.band a { color: #ffe08a; }
.band.alt { background: #3d2a6b; }
.faq-list details {
  background: #fff;
  margin: 10px 0;
  padding: 10px 14px;
  border-radius: 8px;
}
.faq-list summary { cursor: pointer; font-weight: 700; color: #3d2a6b; }
.tail {
  background: #2d2438;
  color: #d4cce0;
  padding: 26px 0 34px;
  font-size: 13px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}
.tail a { color: #e0c2ff; }
.lock { color: #c6f6d5; }
.soft a {
  display: inline-block;
  margin: 6px 6px 0 0;
  padding: 7px 12px;
  background: #eee8f7;
  color: #5b3d99;
  text-decoration: none;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}
@media (max-width: 600px) {
  .hero-q h1 { font-size: 24px; }
}