/* 第4套：步骤驱动 · 全宽色带交替 · 森绿/米 */
:root {
  --forest: #1b4332;
  --leaf: #2d6a4f;
  --mint: #d8f3dc;
  --sand: #fefae0;
  --clay: #bc6c25;
  --ink: #1a2e24;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Palatino Linotype", Palatino, "Songti SC", "SimSun", serif;
  color: var(--ink);
  background: var(--sand);
  line-height: 1.8;
}
.mast {
  background: var(--forest);
  color: #fff;
  padding: 20px 8vw 0;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  text-decoration: none;
  font-size: 1.5rem;
  font-weight: 700;
}
.nav-bar {
  background: var(--leaf);
  display: flex;
  justify-content: flex-end;
  gap: 4px;
  padding: 0 8vw;
  flex-wrap: wrap;
}
.nav-bar a {
  color: #d8f3dc;
  text-decoration: none;
  padding: 12px 16px;
  border-bottom: 3px solid transparent;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}
.nav-bar a.current { border-bottom-color: #ffe8a3; color: #fff; }
.hero-band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 320px;
}
.hero-copy { padding: 40px 8vw 36px 8vw; background: var(--sand); }
.hero-copy h1 { font-size: 2rem; margin: 0 0 14px; line-height: 1.35; }
.hero-aside {
  background: var(--mint);
  padding: 40px 8vw 36px 40px;
  border-left: 8px solid var(--clay);
}
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  text-decoration: none;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-weight: 700;
}
.btn-primary { background: var(--forest); color: #fff; }
.btn-ghost { background: #fff; color: var(--forest); border: 2px solid var(--forest); }
.band { padding: 36px 8vw; }
.band:nth-of-type(odd) { background: #fff; }
.band:nth-of-type(even) { background: var(--mint); }
.band.sand { background: var(--sand); }
h2 {
  font-size: 1.5rem;
  margin: 0 0 12px;
  color: var(--forest);
}
.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; }
.steps li {
  counter-increment: step;
  position: relative;
  padding: 12px 0 12px 64px;
  border-bottom: 1px dashed #9dc3a8;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 12px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--forest);
  color: #fff;
  font-family: "Segoe UI", sans-serif;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
table { width: 100%; border-collapse: collapse; font-family: "Segoe UI", "Microsoft YaHei", sans-serif; font-size: 0.94rem; }
th, td { border: 1px solid #b7d4c0; padding: 10px; text-align: left; }
th { background: var(--forest); color: #fff; }
.note-mt5 {
  background: #fff3cd;
  border-top: 3px solid var(--clay);
  padding: 12px 14px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 0.93rem;
}
.risk { background: #fde2e4; padding: 20px 8vw; }
.risk h2 { color: #9b2226; }
.faq dt { font-weight: 700; margin-top: 14px; }
.faq dd { margin: 4px 0 0; }
.site-footer {
  background: var(--forest);
  color: #d8f3dc;
  padding: 24px 8vw 36px;
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  font-size: 0.86rem;
}
.unofficial { color: #ffe8a3; }
@media (max-width: 860px) {
  .hero-band { grid-template-columns: 1fr; }
  .hero-aside { border-left: none; border-top: 8px solid var(--clay); padding-left: 8vw; }
}