/* 第3套：对比驱动 · 报纸双栏 + 绿表 */
:root {
  --paper: #f7f4ec;
  --ink: #1c241c;
  --green: #1b7a4e;
  --rule: #c9c3b2;
  --box: #ffffff;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Georgia", "Songti SC", "SimSun", serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.8;
}
a { color: var(--green); }
.mast {
  text-align: center;
  border-bottom: 3px double var(--green);
  padding: 22px 16px 0;
  background: #fff;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--green);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 2px;
}
.nav {
  display: flex;
  justify-content: center;
  gap: 28px;
  padding: 12px 0 16px;
  font-family: "Microsoft YaHei", sans-serif;
}
.nav a { text-decoration: none; color: var(--ink); }
.nav a.current { color: var(--green); border-bottom: 2px solid var(--green); }
.page { width: min(1100px, calc(100% - 32px)); margin: 0 auto; padding: 28px 0 60px; }
.hero h1 { font-size: 30px; text-align: center; margin-bottom: 12px; }
.lead { text-align: center; max-width: 720px; margin: 0 auto 18px; }
.chips { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; font-family: "Microsoft YaHei", sans-serif; }
.chips span { border: 1px solid var(--green); padding: 2px 10px; font-size: 13px; }
.cta-row { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.btn {
  font-family: "Microsoft YaHei", sans-serif;
  background: var(--green);
  color: #fff;
  text-decoration: none;
  padding: 10px 20px;
}
.btn-ghost { background: transparent; color: var(--green); border: 1px solid var(--green); }
.split {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 28px;
  margin: 36px 0;
}
.cols-2 { column-count: 2; column-gap: 28px; }
.cols-2 h2 { column-span: all; }
section { margin: 36px 0; }
section h2 {
  font-size: 22px;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 6px;
}
.compare { width: 100%; border-collapse: collapse; background: var(--box); font-family: "Microsoft YaHei", sans-serif; }
.compare th { background: var(--green); color: #fff; padding: 10px; }
.compare td { border: 1px solid var(--rule); padding: 10px; }
.note {
  background: #e7f4ec;
  border: 1px solid #b7d8c4;
  padding: 14px 16px;
  margin: 16px 0;
}
.faq dt { font-weight: 700; margin-top: 14px; }
.site-footer {
  border-top: 3px double var(--green);
  text-align: center;
  font-size: 13px;
  padding: 20px 16px 32px;
  font-family: "Microsoft YaHei", sans-serif;
}
@media (max-width: 800px) {
  .split, .cols-2 { display: block; column-count: 1; }
  .hero h1 { font-size: 24px; }
}