:root {
  --red: #c41e3a;
  --red-d: #8e1026;
  --ink: #1c1c1c;
  --paper: #f6f3ee;
  --card: #fffdf9;
  --line: #e2d8cc;
  --muted: #5a534b;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "SimSun", "Songti SC", "STSong", serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.8;
  font-size: 16px;
}

.bar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--red);
  color: #fff;
}
.bar-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
}
.wordmark {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.12em;
  font-size: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "Microsoft YaHei", sans-serif;
}
.bar nav a {
  color: #ffd7de;
  text-decoration: none;
  margin-left: 18px;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 14px;
}
.bar nav a.active {
  color: #fff;
  border-bottom: 2px solid #fff;
  padding-bottom: 2px;
}

.split-hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: 32px 20px 10px;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  align-items: start;
}
.split-hero h1 {
  font-size: 30px;
  line-height: 1.4;
  margin: 0 0 12px;
}
.split-hero .aside {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 4px solid var(--red);
  padding: 16px 16px 8px;
}
.split-hero .aside h2, .split-hero .aside strong { font-size: 16px; margin: 0 0 8px; color: var(--red-d); display: block; }

.btn {
  display: inline-block;
  text-decoration: none;
  font-family: "Microsoft YaHei", sans-serif;
  padding: 10px 18px;
  margin: 0 8px 8px 0;
}
.btn-red { background: var(--red); color: #fff; }
.btn-ink { background: var(--ink); color: #fff; }
.btn-line { border: 1px solid var(--red); color: var(--red-d); }

.sheet {
  max-width: 1080px;
  margin: 0 auto;
  padding: 8px 20px 40px;
}
section { margin: 28px 0; padding-top: 6px; }
h2 {
  font-size: 22px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 6px;
  margin: 0 0 12px;
}

table.compare {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 14px;
}
table.compare th {
  background: var(--red);
  color: #fff;
  padding: 8px 10px;
  text-align: left;
}
table.compare td {
  border: 1px solid var(--line);
  padding: 8px 10px;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.box {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 14px 16px 4px;
}

.faq dt {
  font-family: "Microsoft YaHei", sans-serif;
  font-weight: 700;
  margin: 14px 0 4px;
}
.faq dd { margin: 0 0 8px; }

.dl-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.dl-list article {
  border: 1px dashed var(--red);
  background: #fff;
  padding: 14px;
}

footer {
  background: var(--ink);
  color: #ddd4c8;
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 12px;
  line-height: 1.8;
  padding: 24px 0 32px;
}
footer .sheet { padding-bottom: 0; }
footer a { color: #ffc2cb; }
footer .safe { color: #f5d0d5; }

ol, ul { padding-left: 22px; }
li { margin-bottom: 6px; }

@media (max-width: 800px) {
  .split-hero, .two-col, .dl-list { grid-template-columns: 1fr; }
  .bar-inner { flex-wrap: wrap; padding: 10px 16px; }
  .bar nav { width: 100%; padding-bottom: 8px; }
  .bar nav a { margin-left: 0; margin-right: 14px; }
}