.home-page {
  --primary: #1677ff;
  --text: #1f2937;
  --secondary: #606266;
  --line: #eef0f3;
  margin: 0;
  color: var(--text);
  background: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}
.home-page * { box-sizing: border-box; }
.home-page a { color: inherit; text-decoration: none; }
.home-page a:hover { color: var(--primary); }
.home-page a:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; }
.site-header, .site-footer, .home-page main { width: min(1120px, calc(100% - 48px)); margin: auto; }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 96px; }
.brand { display: inline-flex; align-items: center; gap: 12px; font-size: 24px; font-weight: 700; }
.brand img { object-fit: contain; }
.site-header nav, .site-footer nav { display: flex; flex-wrap: wrap; gap: 24px; font-size: 14px; }
.site-header nav a, .site-footer nav a { display: inline-flex; align-items: center; min-height: 44px; }
.hero { display: grid; grid-template-columns: 1.6fr 1fr; align-items: center; gap: 64px; padding: 96px 0; }
.eyebrow { color: var(--secondary); font-size: 16px; margin: 0 0 24px; }
.hero h1 { font-size: clamp(32px, 4vw, 52px); line-height: 1.35; letter-spacing: -1px; margin: 0 0 24px; }
.hero h1 span { color: var(--primary); }
.intro { max-width: 500px; font-size: 17px; line-height: 1.9; color: var(--secondary); margin-bottom: 32px; }
.home-page .primary-button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 24px; background: var(--primary); color: white; border-radius: 6px; font-weight: 600; transition: background 160ms; }
.home-page .primary-button:hover { background: #1264d8; color: white; }
.supporting { font-size: 13px; color: var(--secondary); margin: 16px 0 0; }
.product-note { padding: 48px 32px; background: #fafbfc; border-radius: 8px; }
.product-note .note-title { color: var(--secondary); font-size: 14px; margin: 0 0 24px; }
.product-note p { font-size: 28px; line-height: 1.7; font-weight: 600; margin: 0 0 32px; }
.product-note span { color: var(--secondary); font-size: 14px; }
.features { padding: 48px 0 64px; }
.features h2 { font-size: 24px; margin: 0 0 32px; }
.features dl { margin: 0; }
.features dl div { display: grid; grid-template-columns: 1fr 3fr; gap: 24px; padding: 24px 0; border-top: 1px solid var(--line); }
.features dt { font-weight: 600; font-size: 17px; }
.features dd { margin: 0; color: var(--secondary); font-size: 16px; line-height: 1.8; }
.site-footer { padding: 24px 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; color: var(--secondary); font-size: 13px; }
@media (max-width: 720px) {
  .site-header, .site-footer, .home-page main { width: calc(100% - 32px); }
  .site-header { min-height: 80px; gap: 16px; }
  .site-header nav { gap: 16px; }
  .site-header nav a:first-child { display: none; }
  .hero { grid-template-columns: 1fr; gap: 32px; padding: 48px 0; }
  .product-note { padding: 24px; }
  .product-note p { font-size: 24px; margin-bottom: 16px; }
  .features { padding-top: 24px; }
  .features dl div { grid-template-columns: 1fr; gap: 8px; }
}
@media (prefers-reduced-motion: reduce) { .home-page .primary-button { transition: none; } }