* { box-sizing: border-box; }
body {
  margin: 0;
  background: #eef3f9;
  color: #1c2430;
  font-family: Arial, "Helvetica Neue", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

.top-lite {
  background: #fff;
  border-bottom: 1px solid #c5d4e6;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}
.mark {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #1565c0;
  font-weight: 700;
  font-size: 18px;
}
.tabs { display: flex; }
.tabs a {
  text-decoration: none;
  color: #3d4d63;
  padding: 16px 14px;
}
.tabs a.is-on {
  background: #1565c0;
  color: #fff;
}

.hero-path {
  background: #1565c0;
  color: #fff;
  padding: 32px 20px;
}
.hero-path-inner { width: min(1120px, 100%); margin: 0 auto; }
.hero-path h1 { margin: 0 0 10px; font-size: 28px; }
.blue-btn, .pale-btn {
  display: inline-block;
  padding: 10px 16px;
  text-decoration: none;
  margin: 8px 8px 0 0;
}
.blue-btn { background: #ffc107; color: #1c2430; font-weight: 700; }
.pale-btn { background: transparent; border: 1px solid #fff; color: #fff; }
.shell .pale-btn { color: #1565c0; border-color: #1565c0; }

.shell {
  width: min(1120px, calc(100% - 24px));
  margin: 20px auto 36px;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 18px;
  align-items: start;
}
.rail { min-width: 0; }
.step-row {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 12px;
  background: #fff;
  border: 1px solid #d3deec;
  padding: 16px 16px 8px;
  margin-bottom: 14px;
}
.num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #1565c0;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}
.step-row h2 { margin: 0 0 8px; font-size: 18px; color: #1565c0; }
.block {
  background: #fff;
  border: 1px solid #d3deec;
  padding: 16px 16px 8px;
  margin-bottom: 14px;
}
.block h2 { margin: 0 0 8px; font-size: 18px; }
.dock {
  position: sticky;
  top: 12px;
  background: #fff;
  border: 2px solid #1565c0;
  padding: 14px;
}
.dock h2 { margin: 0 0 8px; font-size: 16px; }
.dock a { display: block; margin: 0 0 8px; }
.ask h3 { margin: 0 0 4px; font-size: 16px; }
.ask { margin-bottom: 12px; }
.legal {
  background: #243044;
  color: #c9d4e4;
  padding: 18px 20px 24px;
  font-size: 13px;
}
.legal a { color: #9ecbff; }

@media (max-width: 880px) {
  .shell { grid-template-columns: 1fr; }
  .dock { position: static; }
  .top-lite { flex-direction: column; align-items: flex-start; }
}