/* 第3套：对比驱动 · 杂志宽版 · 靛紫与金 */
:root {
  --paper: #f7f4ff;
  --card: #ffffff;
  --indigo: #3d348b;
  --indigo-deep: #2a245f;
  --gold: #c9920a;
  --ink: #1b1733;
  --muted: #5a5478;
  --line: #ddd6f3;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Palatino Linotype", "Songti SC", "Microsoft YaHei", serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.8;
  font-size: 16.5px;
}

.bar {
  background: var(--indigo-deep);
  color: #efeaff;
  padding: 8px 0;
  font-size: 13px;
  letter-spacing: 0.06em;
}
.frame { width: min(1080px, calc(100% - 40px)); margin: 0 auto; }

header.mag {
  display: flex;
  justify-content: space-between;
  align-items: end;
  padding: 26px 0 14px;
  border-bottom: 3px double var(--indigo);
}
.brand {
  font-size: 32px;
  font-weight: 800;
  color: var(--indigo);
  text-decoration: none;
  letter-spacing: 0.04em;
}
nav.pills { display: flex; gap: 8px; }
nav.pills a {
  text-decoration: none;
  color: var(--indigo);
  border: 1px solid var(--indigo);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 14px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}
nav.pills a.current { background: var(--indigo); color: #fff; }

.hero {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 28px;
  padding: 36px 0 10px;
}
.hero h1 { font-size: 34px; line-height: 1.3; margin-bottom: 14px; }
.hero .lead { color: var(--muted); margin-bottom: 18px; }
.hero-aside {
  background: var(--indigo);
  color: #f6f2ff;
  padding: 22px;
}
.hero-aside p { font-size: 14px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: #2a1d00;
  text-decoration: none;
  padding: 11px 18px;
  font-weight: 800;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}
.btn-light { background: #fff; color: var(--indigo); }

.trio {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0 28px;
}
.trio article {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 16px;
}
.trio h2 { font-size: 18px; margin-bottom: 8px; color: var(--indigo); }

.intro-sheet {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 22px 24px;
  margin: 18px 0 10px;
}
.intro-sheet h2 { font-size: 22px; margin-bottom: 10px; color: var(--indigo-deep); }
.intro-sheet p + p { margin-top: 10px; }
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 8px;
}
@media (max-width: 860px) {
  .intro-grid { grid-template-columns: 1fr; }
}
section.sheet { margin: 32px 0; }
section.sheet h2 { font-size: 24px; margin-bottom: 12px; color: var(--indigo-deep); }
section.sheet p + p { margin-top: 10px; }

table.compare {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  margin: 14px 0 8px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 15px;
}
table.compare th, table.compare td {
  border: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
}
table.compare th { background: var(--indigo); color: #fff; }
table.compare td:first-child { font-weight: 700; width: 26%; }

.faq { margin: 36px 0; }
.faq h2 { color: var(--indigo-deep); margin-bottom: 12px; }
.faq details {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 12px 14px;
  margin: 8px 0;
}
.faq summary { font-weight: 700; cursor: default; }
.faq p { margin-top: 8px; color: var(--muted); }

footer {
  border-top: 3px double var(--indigo);
  padding: 24px 0 48px;
  font-size: 13px;
  color: var(--muted);
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}
footer p { margin: 8px 0; }
footer a { color: var(--indigo); }

svg.icon { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; }

@media (max-width: 860px) {
  .hero, .trio { grid-template-columns: 1fr; }
  header.mag { flex-direction: column; align-items: flex-start; gap: 12px; }
}