/* 第5套：问答长栏 · 窄版 · 葡萄紫 */
:root {
  --plum: #4a1942;
  --grape: #6b2d5b;
  --lilac: #f4e9f2;
  --gold: #c9a24a;
  --ink: #2a1026;
  --muted: #6e4a67;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Palatino Linotype", "Songti SC", "SimSun", serif;
  background: #fbf7fa;
  color: var(--ink);
  line-height: 1.8;
  font-size: 17px;
}
a { color: var(--grape); }
.mast {
  border-bottom: 4px solid var(--plum);
  background: #fff;
}
.mast-inner {
  width: min(760px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 14px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.logo { text-decoration: none; color: var(--plum); font-weight: 700; font-size: 22px; }
.nav { list-style: none; display: flex; gap: 18px; font-family: "Segoe UI", "PingFang SC", sans-serif; font-size: 14px; }
.nav a { text-decoration: none; color: var(--muted); }
.nav a.current { color: var(--plum); font-weight: 700; }
.hero {
  width: min(760px, calc(100% - 28px));
  margin: 0 auto;
  padding: 36px 0 10px;
}
.hero h1 { font-size: 30px; line-height: 1.35; margin-bottom: 12px; }
.lead { color: var(--muted); margin-bottom: 18px; }
.btn {
  display: inline-block;
  background: var(--plum);
  color: #fff;
  text-decoration: none;
  padding: 12px 18px;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
}
.btn-gold {
  display: inline-block;
  margin-left: 8px;
  color: #6b4e12;
  background: var(--gold);
  text-decoration: none;
  padding: 12px 16px;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
}
.dl-inline { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.dl-inline a {
  font-family: "Segoe UI", "PingFang SC", sans-serif;
  font-size: 13px;
  border: 1px solid var(--grape);
  padding: 6px 10px;
  text-decoration: none;
}
.col {
  width: min(760px, calc(100% - 28px));
  margin: 0 auto;
  padding: 12px 0 40px;
}
.q {
  background: var(--lilac);
  border-left: 6px solid var(--plum);
  padding: 14px 16px 12px;
  margin: 20px 0;
}
.q h2 { font-size: 20px; margin-bottom: 8px; }
.q p { margin-bottom: 10px; }
.exp { margin: 28px 0; }
.exp h2 { font-size: 22px; margin-bottom: 10px; color: var(--plum); }
.exp p { margin-bottom: 12px; }
.exp ul { margin: 0 0 12px 20px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; font-family: "Segoe UI", "PingFang SC", sans-serif; background: #fff; }
th, td { border: 1px solid #e0cfe0; padding: 8px; text-align: left; }
th { background: var(--plum); color: #fff; }
.faq h3 { font-size: 17px; margin: 16px 0 6px; }
.site-footer {
  background: var(--plum);
  color: #f4e9f2;
  font-size: 13px;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
  padding: 22px 0 30px;
}
.site-footer .col { padding: 0; }
.site-footer a { color: #f2d48a; margin-right: 12px; }
.site-footer p { margin-top: 8px; }
@media (max-width: 640px) {
  .mast-inner { flex-direction: column; gap: 8px; }
}