/* 第6套 app · 分步向导 · 先选型再下载 */
:root {
  --green: #1b8a4a;
  --green-deep: #136338;
  --ink: #1f2420;
  --bg: #f4f7f5;
  --card: #fff;
  --line: #d7e0da;
  --muted: #5d6861;
  --sans: "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16.5px;
  line-height: 1.76;
}
a { color: var(--green-deep); }
.appbar {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.appbar__in {
  width: min(980px, calc(100% - 22px));
  margin: 0 auto;
  min-height: 62px;
  display: flex; align-items: center; justify-content: space-between;
}
.brand {
  display: flex; align-items: center; gap: 8px;
  text-decoration: none; color: var(--ink); font-weight: 800;
}
.brand svg { width: 26px; height: 26px; color: var(--green); }
.nav { display: flex; gap: 6px; align-items: center; }
.nav a {
  text-decoration: none; color: var(--ink);
  padding: 7px 10px; border-radius: 8px;
  display: inline-flex; align-items: center; gap: 6px;
}
.nav a svg { width: 14px; height: 14px; }
.nav a:hover { background: #e8f6ee; }
.nav a[aria-current="page"] { background: var(--green); color: #fff; }
.nav .top-dl { background: var(--green); color: #fff; font-weight: 700; }
.sheet { width: min(980px, calc(100% - 22px)); margin: 20px auto 36px; }
.kicker { color: var(--green-deep); font-size: 12px; font-weight: 700; margin: 0 0 8px; }
h1 { font-size: 28px; margin: 0 0 12px; }
h2 { font-size: 22px; margin: 0 0 10px; }
h3 { font-size: 17px; margin: 12px 0 6px; }
p { margin: 0 0 12px; }
.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 18px 8px;
  margin: 0 0 14px;
}
.stepno {
  display: inline-block;
  width: 28px; height: 28px; line-height: 28px;
  text-align: center;
  border-radius: 50%;
  background: var(--green); color: #fff;
  font-weight: 800; font-size: 14px;
  margin-right: 8px;
}
.pick { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.pick article {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  background: #f7faf8;
}
.pick svg { width: 24px; height: 24px; color: var(--green); }
.rate { background: #f7faf8; border-radius: 12px; padding: 14px; margin-bottom: 10px; }
table.vertable { width: 100%; border-collapse: collapse; font-size: 14.5px; }
table.vertable th, table.vertable td {
  border-bottom: 1px solid var(--line);
  padding: 9px 6px; text-align: left; vertical-align: top;
}
.faq details { background: #f7faf8; border-radius: 10px; padding: 4px 12px; margin-bottom: 8px; }
.faq summary { cursor: pointer; font-weight: 700; padding: 9px 0; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.btn, .btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  min-height: 42px; padding: 0 16px; border-radius: 10px;
  text-decoration: none; font-weight: 800;
  transition: background 0.15s ease;
}
.btn { background: var(--green); color: #fff; }
.btn:hover { background: var(--green-deep); }
.btn-ghost { background: #e8f6ee; color: var(--green-deep); }
.btn-ghost:hover { background: #d4efdf; }
.btn svg, .btn-ghost svg { width: 16px; height: 16px; }
.foot { background: #1f2420; color: #c5cfc8; padding: 22px 0 30px; }
.foot__in { width: min(980px, calc(100% - 22px)); margin: 0 auto; font-size: 14px; }
.foot p { color: #c5cfc8; }
@media (max-width: 720px) {
  .pick { grid-template-columns: 1fr; }
  h1 { font-size: 24px; }
}