/* 第4套：竖向时间轴，浅灰底橙号 */
:root {
  --bg: #f3efe6;
  --ink: #2b261f;
  --orange: #e85d04;
  --deep: #9a3412;
  --card: #fffaf3;
  --mute: #6d6558;
  --line: #ddd2c2;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Trebuchet MS", "Microsoft YaHei", sans-serif;
  line-height: 1.78;
  font-size: 16px;
}

.site-header {
  background: #fffaf3;
  border-bottom: 1px solid var(--line);
  padding: 16px 5vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  color: var(--deep);
  text-decoration: none;
  font-weight: 800;
  font-size: 24px;
}
.nav { display: flex; gap: 8px; }
.nav a {
  text-decoration: none;
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 999px;
}
.nav a.active {
  background: var(--orange);
  color: #fff;
}

.hero {
  width: min(860px, 92vw);
  margin: 36px auto 10px;
  text-align: left;
}
.hero h1 { font-size: 34px; line-height: 1.35; margin: 0 0 14px; }
.hero p { color: var(--mute); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
}
.btn-main { background: var(--orange); color: #fff; font-weight: 700; }
.btn-ghost { background: #fff; color: var(--deep); border: 1px solid var(--line); }
.btn-win { background: var(--deep); color: #fff; }

.timeline {
  width: min(860px, 92vw);
  margin: 10px auto 40px;
  border-left: 3px solid #f4b183;
  padding-left: 28px;
}
.step {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  padding: 22px 22px 16px;
  margin: 0 0 22px;
}
.step .num {
  position: absolute;
  left: -42px;
  top: 18px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--orange);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.step h2 { margin: 0 0 10px; font-size: 21px; color: var(--deep); }
.step p { margin: 0 0 10px; color: var(--mute); }
.icon { width: 24px; height: 24px; color: var(--orange); }

.steps-ol { margin: 8px 0 0 18px; color: var(--ink); }
.steps-ol li { margin-bottom: 6px; }

.req-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.req-table th, .req-table td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
}
.req-table th { background: #f8e6d4; }

.faq-item { padding-bottom: 12px; }
.faq-item h3 { margin: 0 0 6px; font-size: 17px; }
.faq-item p { margin: 0; }

.dl-row { display: flex; flex-wrap: wrap; gap: 8px; }
.dl-row a {
  background: #fff;
  color: var(--deep);
  border: 1px solid var(--orange);
  text-decoration: none;
  padding: 8px 12px;
  border-radius: 6px;
}

.site-footer {
  background: #3d2a1e;
  color: #eadfce;
  padding: 28px 5vw;
  font-size: 13px;
}
.foot-nav { display: flex; gap: 16px; margin-bottom: 10px; }
.foot-nav a { color: #fff; text-decoration: none; }
.foot-nav a.active { color: #ffb36b; }
.safe { color: #ffd19a; }

@media (max-width: 700px) {
  .site-header { flex-direction: column; gap: 10px; }
}