:root {
  --bg: #f7f1e3;
  --ink: #243028;
  --sub: #4d5a52;
  --forest: #1b4d3e;
  --leaf: #2f6f58;
  --line: #d9ceB5;
  --paper: #fffdf7;
  --num: #c4a35a;
}

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

body {
  font-family: Georgia, "STKaiti", "KaiTi", serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
  font-size: 17px;
}

a { color: var(--forest); }
a:hover { text-decoration: underline; }

header {
  text-align: center;
  padding: 28px 16px 8px;
}

.brand {
  font-size: 26px;
  color: var(--forest);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.nav {
  display: flex;
  justify-content: center;
  gap: 8px;
  list-style: none;
  margin: 18px auto 0;
  max-width: 680px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 8px 0;
}

.nav a {
  display: block;
  padding: 6px 18px;
  text-decoration: none;
  color: var(--sub);
}

.nav a.is-current {
  color: var(--forest);
  font-weight: 700;
  background: #efe6cc;
}

.shell { max-width: 680px; margin: 0 auto; padding: 12px 18px 64px; }

.hero {
  text-align: center;
  padding: 28px 8px 10px;
}

.hero h1 {
  font-size: 30px;
  line-height: 1.4;
  margin-bottom: 14px;
}

.hero .lead { text-align: left; color: var(--sub); }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 18px 0 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--forest);
  color: #f7f1e3;
  text-decoration: none;
  padding: 11px 20px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 4px;
}

.btn:hover { background: var(--leaf); text-decoration: none; color: #fff; }

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

.note { text-align: left; font-size: 14px; color: var(--sub); margin-top: 12px; }

.step {
  position: relative;
  padding: 8px 0 8px 56px;
  margin: 8px 0 20px;
}

.step + .step { border-top: 1px dashed var(--line); padding-top: 22px; }

.num {
  position: absolute;
  left: 0;
  top: 10px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--forest);
  color: #f7f1e3;
  font-family: "Segoe UI", sans-serif;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

section { padding: 22px 0; }

h2 {
  font-size: 23px;
  margin-bottom: 12px;
  text-align: center;
  color: var(--forest);
}

p { margin-bottom: 12px; }
ul, ol { margin: 0 0 14px 1.2em; }
li { margin-bottom: 6px; }

table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 16px;
  font-size: 14px;
  background: var(--paper);
}

th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; }
th { background: #e8efe9; }

.risk {
  background: #f3e6d2;
  border: 1px solid #c9a56b;
  padding: 18px 16px 8px;
}

.faq dt { font-weight: 700; margin-top: 14px; color: var(--forest); }
.faq dd { margin: 6px 0 0; }

footer {
  text-align: center;
  background: #1b4d3e;
  color: #dce8e2;
  padding: 28px 20px 40px;
  font-size: 13px;
  line-height: 1.75;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}

.footer-inner { max-width: 680px; margin: 0 auto; text-align: left; }
footer p { margin-bottom: 8px; }
footer a { color: #e7d7a8; }

@media (max-width: 600px) {
  .hero h1 { font-size: 24px; }
  .step { padding-left: 0; }
  .num { position: static; margin-bottom: 8px; }
}