:root {
  --green: #1b4332;
  --leaf: #2d6a4f;
  --mint: #d8f3dc;
  --paper: #eef2ef;
  --ink: #1a2a22;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Trebuchet MS", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.76;
}

a { color: var(--leaf); }

.site-header {
  background: var(--green);
  color: #fff;
  padding: 12px 20px;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
}

.nav a {
  color: #cfe7d6;
  text-decoration: none;
  margin-left: 14px;
  font-size: 14px;
}

.nav a.current { color: #fff; border-bottom: 2px solid #95d5b2; }

.shell {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 0;
  min-height: 70vh;
}

.rail {
  background: #e3eee6;
  padding: 22px 16px 40px;
  border-right: 1px solid #c7d8cc;
}

.rail-sticky { position: sticky; top: 12px; }

.rail h2 {
  font-size: 15px;
  color: var(--green);
  margin: 16px 0 8px;
}

.rail a {
  display: block;
  text-decoration: none;
  font-size: 13px;
  padding: 6px 0;
  color: var(--green);
}

.rail .dl a {
  background: var(--leaf);
  color: #fff;
  padding: 8px 10px;
  margin-bottom: 6px;
  text-align: center;
}

.main { padding: 28px 32px 64px; background: #fff; }

.hero h1 {
  font-size: 28px;
  line-height: 1.4;
  color: var(--green);
  margin-bottom: 14px;
}

.hero p { margin-bottom: 10px; }

.cta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 8px; }

.btn {
  text-decoration: none;
  padding: 10px 16px;
  background: var(--leaf);
  color: #fff;
  font-weight: 700;
}

.btn-line { background: transparent; color: var(--leaf); border: 1px solid var(--leaf); }

.q-block {
  background: var(--mint);
  border-left: 5px solid var(--leaf);
  padding: 16px 18px;
  margin: 18px 0;
}

.q-block h2 { font-size: 20px; color: var(--green); margin-bottom: 8px; }

.block { margin: 26px 0; }

.block h2 {
  font-size: 20px;
  color: var(--green);
  margin-bottom: 10px;
}

.block p { margin-bottom: 10px; }

table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 14px; }

th, td { border: 1px solid #d5e4d8; padding: 8px; text-align: left; }

th { background: #e9f6ee; }

.faq-item { margin-bottom: 14px; }

.faq-item h3 { font-size: 16px; color: var(--leaf); margin-bottom: 4px; }

.site-footer {
  background: var(--green);
  color: #cfe3d6;
  padding: 20px;
  font-size: 12px;
  line-height: 1.7;
}

.footer-inner { max-width: 1200px; margin: 0 auto; }

.footer-nav a { color: #b7e4c7; margin-right: 10px; }

.safe-line { color: #ffe8a3; margin: 8px 0; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .rail { border-right: 0; border-bottom: 1px solid #c7d8cc; }
  .header-inner { flex-direction: column; gap: 8px; }
}