:root {
  color-scheme: light;
  --ink: #183349;
  --muted: #526575;
  --accent: #17638e;
  --surface: #f3f7fa;
  --white: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--white);
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
body { margin: 0; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 6px; }
.page { max-width: 1000px; margin: 0 auto; padding: 0 52px; }
.header { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 40px 0; }
.wordmark { font-size: 23px; font-weight: 650; letter-spacing: -.8px; white-space: nowrap; }
.brand-dot { color: var(--accent); }
nav { display: flex; gap: 30px; font-size: 14px; }
nav a:hover { color: var(--accent); text-decoration: underline; text-underline-offset: 5px; }
.about { padding: 80px 0 76px; scroll-margin-top: 32px; }
h1 { margin: 0 0 28px; font-size: clamp(32px, 4.4vw, 48px); font-weight: 600; line-height: 1.4; letter-spacing: -.035em; }
.about p { margin: 0; font-size: 17px; line-height: 1.95; color: var(--muted); }
.products { padding-bottom: 82px; scroll-margin-top: 32px; }
h2 { margin: 0 0 24px; font-size: 18px; font-weight: 600; }
.product { display: flex; align-items: center; gap: 26px; padding: 30px 32px; }
.product:first-of-type { background: var(--surface); }
.product-icon { display: block; width: 72px; height: 72px; object-fit: contain; flex-shrink: 0; }
.product-copy { flex: 1; }
h3 { margin: 0 0 9px; font-size: 23px; font-weight: 600; letter-spacing: -.02em; }
.product p { margin: 0; font-size: 16px; line-height: 1.6; color: var(--muted); }
.product-link { display: inline-flex; align-items: center; gap: 8px; padding: 10px 0 10px 12px; font-size: 14px; font-weight: 600; color: var(--accent); white-space: nowrap; }
.product-link:hover { text-decoration: underline; text-underline-offset: 5px; }
.coming-soon { padding-left: 12px; font-size: 14px; color: var(--muted); white-space: nowrap; }
footer { display: flex; justify-content: space-between; gap: 20px; padding: 0 0 32px; color: var(--muted); font-size: 12px; line-height: 1.7; }
@media (max-width: 600px) {
  .page { padding: 0 24px; }
  .header { padding: 28px 0; gap: 16px; }
  .wordmark { font-size: 20px; }
  nav { gap: 18px; font-size: 13px; }
  .about { padding: 54px 0 52px; }
  h1 { font-size: 32px; margin-bottom: 24px; }
  .about p { font-size: 16px; line-height: 1.9; }
  .products { padding-bottom: 56px; }
  .product { padding: 24px 20px; gap: 18px; flex-wrap: wrap; }
  .product-icon { width: 56px; height: 56px; }
  h3 { font-size: 21px; }
  .product p { font-size: 14px; }
  .product-copy { min-width: 160px; }
  .product-link, .coming-soon { margin-left: 74px; padding: 0; }
  footer { flex-wrap: wrap; gap: 8px 20px; }
}
@media (max-width: 360px) {
  .page { padding: 0 20px; }
  nav { gap: 12px; }
  h1 { font-size: 28px; }
  .product { padding: 22px 16px; gap: 14px; }
  .product-copy { min-width: 140px; }
  .product-link, .coming-soon { margin-left: 70px; }
}