/* Set 6 app — step wizard, choose first then download */
:root {
  --bg: #eef1f7;
  --paper: #ffffff;
  --ink: #1e1b4b;
  --muted: #5b5678;
  --line: #d8d6e8;
  --brand: #3730a3;
  --brand-deep: #2c267f;
  --soft: #eef2ff;
  --sans: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.8;
}
img, svg { max-width: 100%; display: inline-block; vertical-align: middle; }
a { color: var(--brand); }
.site-header { background: var(--paper); border-bottom: 1px solid var(--line); }
.site-header__inner,
.wrap { width: min(980px, calc(100% - 32px)); margin: 0 auto; }
.site-header__inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--brand);
  text-decoration: none;
  font-weight: 800;
}
.brand svg { width: 28px; height: 28px; }
.site-nav { display: flex; gap: 8px; flex-wrap: wrap; }
.site-nav a {
  text-decoration: none;
  color: var(--muted);
  padding: 6px 8px;
}
.site-nav a.is-active { color: var(--brand); font-weight: 800; }
.wizard-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin: 22px 0 8px;
}
.wizard-bar span {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 999px;
  text-align: center;
  padding: 8px 6px;
  font-size: 13px;
  color: var(--muted);
}
.wizard-bar span em {
  display: block;
  font-style: normal;
  color: var(--brand);
  font-weight: 800;
}
.step {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px 22px 16px;
  margin: 0 0 16px;
}
.step-num {
  display: inline-block;
  min-width: 36px;
  background: var(--soft);
  color: var(--brand);
  font-weight: 800;
  text-align: center;
  border-radius: 8px;
  padding: 2px 8px;
  margin-bottom: 8px;
}
.step h1, .step h2 { margin: 0 0 12px; }
.step h1 { font-size: 28px; line-height: 1.35; }
.step h2 { font-size: 22px; }
.step p { margin: 0 0 12px; }
.pick {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}
.pick article {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  background: var(--soft);
}
.pick h3 { margin: 0 0 6px; font-size: 16px; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  padding: 11px 18px;
  border-radius: 10px;
  font-weight: 800;
}
.btn:hover { background: var(--brand-deep); }
.btn-ghost {
  display: inline-flex;
  margin-left: 8px;
  color: var(--brand);
  font-weight: 800;
}
table { width: 100%; border-collapse: collapse; }
th, td { border: 1px solid var(--line); padding: 9px 10px; text-align: left; vertical-align: top; }
th { background: var(--soft); }
.faq-item { margin: 0 0 12px; }
.faq-item h3 { margin: 0 0 6px; font-size: 16.5px; }
.site-footer {
  width: min(980px, calc(100% - 32px));
  margin: 8px auto 32px;
  color: var(--muted);
  font-size: 13.5px;
}
.site-footer p { margin: 0 0 8px; }
@media (max-width: 800px) {
  .pick, .wizard-bar { grid-template-columns: 1fr; }
  .site-header__inner { flex-direction: column; padding: 10px 0; }
}