/* 炭黑青绿对切 + 对照表 */
:root {
  --ink: #141414;
  --teal: #0d7377;
  --teal-2: #14919b;
  --fog: #f2f4f3;
  --paper: #ffffff;
  --mid: #5c6666;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: Arial, Helvetica, "Microsoft YaHei", sans-serif;
  background: var(--fog);
  color: var(--ink);
  line-height: 1.7;
  font-size: 16px;
}
a { color: var(--teal); }
a:hover { color: #0a5558; }
.bar {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 64px;
  background: var(--ink);
  color: #fff;
}
.bar .name {
  display: flex;
  align-items: center;
  padding: 0 20px;
  font-size: 20px;
  font-weight: 700;
  background: var(--teal);
}
.links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  padding: 0 18px;
}
.links a {
  color: #d9e3e3;
  text-decoration: none;
  padding: 8px 14px;
  font-size: 14px;
}
.links a.current { background: #fff; color: var(--ink); }
.split-hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 360px;
}
.split-hero .dark {
  background: var(--ink);
  color: #f3f6f6;
  padding: 48px 40px;
}
.split-hero .lite {
  background: var(--teal);
  color: #fff;
  padding: 48px 40px;
}
.split-hero h1 { font-size: 30px; line-height: 1.4; margin-bottom: 14px; }
.split-hero .lite h2 { font-size: 22px; margin-bottom: 12px; }
.btn-teal, .btn-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  text-decoration: none;
  margin: 6px 6px 0 0;
  font-size: 14px;
}
.btn-teal { background: var(--teal); color: #fff; }
.btn-dark { background: var(--ink); color: #fff; }
.shell { width: min(1280px, calc(100% - 28px)); margin: 28px auto; }
.cmp {
  background: var(--paper);
  padding: 28px 26px;
  margin-bottom: 20px;
}
.cmp h2 { font-size: 22px; color: var(--teal); margin-bottom: 12px; }
table.vs {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.vs th, table.vs td {
  border: 1px solid #d5dddd;
  padding: 10px 12px;
  vertical-align: top;
}
table.vs th { background: #e6f3f3; }
table.vs td.win { background: #eef8f8; font-weight: 600; }
.cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.pill {
  border: 1px dashed var(--teal);
  padding: 16px;
  background: #f7fbfb;
}
.faq-stack article {
  border-bottom: 1px solid #d8e0e0;
  padding: 14px 0;
}
.faq-stack h3 { font-size: 16px; margin-bottom: 6px; }
.end {
  background: var(--ink);
  color: #b7c2c2;
  padding: 26px 20px 34px;
  font-size: 13px;
}
.end .safe { color: #8ee0e3; }
.end a { color: #8ee0e3; }
svg.g { width: 16px; height: 16px; fill: currentColor; }
@media (max-width: 880px) {
  .bar, .split-hero, .cols-2 { grid-template-columns: 1fr; }
}