:root {
  --bg: #f8fafc;
  --ink: #334155;
  --brand: #ea580c;
  --deep: #1f2937;
  --line: #e2e8f0;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: "Segoe UI", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
}
a { color: #c2410c; }
.site-header {
  background: #fff;
  border-bottom: 3px solid var(--brand);
}
.header-inner, .wrap { width: min(1160px, calc(100% - 28px)); margin: 0 auto; }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 68px; }
.brand { display: flex; align-items: center; gap: 8px; color: var(--deep); text-decoration: none; font-weight: 800; }
.brand svg { width: 24px; height: 24px; }
.nav a { margin-left: 12px; text-decoration: none; color: var(--ink); padding: 6px 10px; }
.nav a.is-current { background: var(--brand); color: #fff; }
.hero { padding: 42px 0 10px; }
.hero-grid { display: grid; grid-template-columns: 1fr 380px; gap: 28px; }
.hero h1 { font-size: 33px; color: var(--deep); margin-top: 0; }
.dl-panel {
  background: var(--deep);
  color: #fff;
  padding: 22px;
  border-top: 6px solid var(--brand);
}
.dl-panel a { color: #fff; }
.cta-row { display: grid; gap: 8px; }
.btn {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: center;
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  padding: 11px;
  font-weight: 700;
}
.btn-mac, .btn-ios, .btn-and { background: #0f172a; }
section { padding: 32px 0; }
.cards-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.card, .review, .news-item, .faq-item { background: #fff; border: 1px solid var(--line); padding: 16px; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th { background: #ffedd5; }
th, td { border: 1px solid var(--line); padding: 9px 10px; text-align: left; }
.steps { display: flex; flex-direction: column; gap: 8px; }
.step { display: flex; gap: 12px; background: #fff; border-left: 5px solid var(--brand); padding: 12px 14px; }
.site-footer { background: #1f2937; color: #cbd5e1; padding: 30px 0; }
.foot-nav a { color: #fdba74; margin-right: 12px; }
@media (max-width: 900px) {
  .hero-grid, .cards-2 { grid-template-columns: 1fr; }
}