:root {
  --green: #1b7f4e;
  --green-dark: #145c39;
  --bg: #f3f7f4;
  --ink: #1c2b22;
  --card: #ffffff;
  --line: #c7d9ce;
  --muted: #4e6658;
  --gold: #c9a227;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  font-size: 15.5px;
}

.bar {
  background: var(--green-dark);
  color: #fff;
}
.bar-inner {
  width: min(1120px, calc(100% - 28px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 58px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: .02em;
}
nav { display: flex; }
nav a {
  color: #d5eadc;
  text-decoration: none;
  padding: 18px 16px;
  font-size: 14px;
  border-bottom: 3px solid transparent;
}
nav a.current { background: var(--green); color: #fff; border-bottom-color: var(--gold); }

.wrap { width: min(1120px, calc(100% - 28px)); margin: 0 auto; }

.hero {
  background: linear-gradient(180deg, #e6f4ec 0%, var(--bg) 100%);
  padding: 36px 0 10px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 14px;
  margin-top: 18px;
}
.hero h1 { font-size: 28px; grid-column: 1 / -1; }
.hero .lead { grid-column: 1 / -1; color: var(--muted); }
.cta-box {
  background: var(--green);
  color: #fff;
  padding: 16px;
}
.cta-box a { color: #fff; font-weight: 800; display: inline-block; margin-top: 8px; }
.mini {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 14px;
}
.mini strong { color: var(--green-dark); }

section {
  background: var(--card);
  border: 1px solid var(--line);
  margin: 16px 0;
  padding: 20px 22px;
}
section h2 {
  font-size: 20px;
  color: var(--green-dark);
  margin-bottom: 10px;
  background: #eef6f1;
  padding: 8px 10px;
}
p { margin-bottom: 10px; }
ul, ol { margin: 0 0 10px 20px; }

.cols-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.cols-3 article {
  border: 1px solid var(--line);
  padding: 12px;
  background: #fbfdfb;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0 14px;
  font-size: 14px;
}
th { background: var(--green); color: #fff; }
th, td { border: 1px solid var(--line); padding: 8px; text-align: left; }
tr:nth-child(even) td { background: #f2f8f4; }

.btn {
  display: inline-block;
  background: var(--gold);
  color: #1c2b22;
  text-decoration: none;
  padding: 10px 16px;
  font-weight: 800;
  margin: 4px 6px 4px 0;
}
.btn-line {
  display: inline-block;
  border: 2px solid var(--green);
  color: var(--green-dark);
  text-decoration: none;
  padding: 8px 14px;
  font-weight: 700;
  margin: 4px 6px 4px 0;
}

.faq { columns: 2; column-gap: 28px; }
.faq dl { break-inside: avoid; margin-bottom: 14px; }
.faq dt { font-weight: 800; color: var(--green-dark); }
.faq dd { margin: 4px 0 0; color: var(--muted); }

footer {
  background: var(--green-dark);
  color: #d6eadc;
  padding: 22px 0;
  font-size: 12.5px;
  margin-top: 20px;
}
footer p { margin-bottom: 6px; }
.safe { color: #f2d675; }

@media (max-width: 860px) {
  .hero-grid, .cols-3, .faq { grid-template-columns: 1fr; columns: 1; }
  .bar-inner { flex-direction: column; align-items: flex-start; }
  nav a { padding: 10px 12px; }
}