/* Set 3: comparison-driven centered paper */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Georgia, "Songti SC", "SimSun", "Microsoft YaHei", serif;
  background: #faf4eb;
  color: #2a2118;
  line-height: 1.85;
}
.paper {
  max-width: 860px;
  margin: 0 auto;
  background: #fffaf3;
  border-left: 1px solid #e6d3b8;
  border-right: 1px solid #e6d3b8;
  min-height: 100vh;
}
.mast {
  text-align: center;
  padding: 26px 24px 8px;
  border-bottom: 3px double #b45309;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #9a3412;
  text-decoration: none;
  font-size: 30px;
  font-weight: 700;
}
nav {
  display: flex;
  justify-content: center;
  gap: 10px;
  padding: 16px 16px 20px;
}
nav a {
  text-decoration: none;
  color: #7c2d12;
  border: 1px solid #d6b38a;
  padding: 6px 16px;
  border-radius: 999px;
  background: #fff7ed;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}
nav a.current { background: #c2410c; color: #fff; border-color: #c2410c; }
.page { padding: 28px 40px 48px; }
h1 {
  font-size: 30px;
  text-align: center;
  line-height: 1.4;
  margin-bottom: 10px;
  color: #7c2d12;
}
.kicker {
  text-align: center;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: #b45309;
  margin-bottom: 18px;
}
h2 {
  font-size: 22px;
  color: #9a3412;
  margin: 28px 0 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid #e6d3b8;
}
.lead { font-size: 17px; margin-bottom: 16px; }
.btn {
  display: inline-block;
  background: #c2410c;
  color: #fff;
  text-decoration: none;
  padding: 12px 24px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-weight: 700;
}
.btn:hover { background: #9a3412; }
.center { text-align: center; margin: 18px 0 8px; }
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  border: 1px solid #d6b38a;
  margin: 16px 0 22px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  background: #fff;
}
.compare > div { padding: 12px; border-right: 1px solid #e6d3b8; }
.compare > div:last-child { border-right: 0; }
.compare .hd { background: #7c2d12; color: #fff; font-weight: 700; }
p { margin-bottom: 12px; }
ul, ol { margin: 0 0 12px 22px; }
table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 18px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 14px;
  background: #fff;
}
th, td { border: 1px solid #d6b38a; padding: 8px 10px; text-align: left; }
th { background: #fff7ed; color: #7c2d12; }
.rule { border: 0; border-top: 1px solid #e6d3b8; margin: 22px 0; }
.faq h3 {
  font-size: 17px;
  margin: 16px 0 6px;
  color: #7c2d12;
}
.note {
  border: 1px dashed #b45309;
  padding: 10px 12px;
  background: #fff7ed;
  margin: 12px 0;
}
footer {
  border-top: 3px double #b45309;
  padding: 22px 40px 30px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 13px;
  color: #5b4634;
}
footer a { color: #c2410c; margin-right: 12px; }
@media (max-width: 720px) {
  .page, footer { padding-left: 18px; padding-right: 18px; }
  .compare { grid-template-columns: 1fr; }
  .compare > div { border-right: 0; border-bottom: 1px solid #e6d3b8; }
}