:root {
  --bg: #ffffff;
  --ink: #1a1a1a;
  --brand: #c41e3a;
  --soft: #fff5f5;
  --line: #f0d4d8;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.8;
  font-size: 17px;
}
a { color: var(--brand); }
.site-header {
  background: var(--brand);
  color: #fff;
}
.header-inner {
  width: min(1080px, calc(100% - 24px));
  margin: 0 auto;
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { color: #fff; text-decoration: none; display: flex; gap: 8px; align-items: center; font-size: 22px; font-weight: 800; }
.brand svg { width: 26px; height: 26px; }
.nav a { color: #ffe4e6; text-decoration: none; margin-left: 18px; padding-bottom: 4px; }
.nav a.is-current { border-bottom: 3px solid #fff; color: #fff; }
.hero {
  background: var(--soft);
  padding: 50px 0 30px;
  border-bottom: 6px solid var(--brand);
}
.wrap { width: min(1080px, calc(100% - 24px)); margin: 0 auto; }
.hero h1 { font-size: 36px; margin: 0 0 16px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  padding: 13px 20px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-mac, .btn-ios, .btn-and { background: #111; }
section { padding: 40px 0; }
section:nth-of-type(even) { background: var(--soft); }
section h2 { font-size: 26px; border-left: 6px solid var(--brand); padding-left: 10px; }
.cards-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card, .review, .news-item, .faq-item { background: #fff; border: 1px solid var(--line); padding: 16px 18px; }
table { width: 100%; border-collapse: collapse; }
th { background: var(--brand); color: #fff; }
th, td { border: 1px solid var(--line); padding: 10px; text-align: left; }
.steps { counter-reset: s; }
.step { display: grid; grid-template-columns: 56px 1fr; gap: 12px; margin: 12px 0; }
.step b {
  width: 56px;
  height: 56px;
  background: var(--brand);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 20px;
}
.sticky-dl {
  position: sticky;
  bottom: 0;
  background: #111;
  color: #fff;
  padding: 10px 0;
}
.sticky-dl a { color: #fff; font-weight: 800; }
.site-footer { background: #2a0b12; color: #f8d7dc; padding: 28px 0 80px; }
.foot-nav a { color: #ffc9d1; margin-right: 14px; }
@media (max-width: 800px) { .cards-2 { grid-template-columns: 1fr; } }