:root {
  font-family: system-ui, -apple-system, "Segoe UI", "Noto Sans TC", sans-serif;
  color: #17324d;
  background: #f5f8fb;
}

* { box-sizing: border-box; }
body { margin: 0; line-height: 1.7; }
.site-header, .page-shell { width: min(100% - 2rem, 760px); margin-inline: auto; }
.site-header { padding: 1rem 0; }
.page-shell { padding: 1rem 0 3rem; }
.eyebrow { color: #176b87; font-weight: 800; }
.page-description { color: #52657d; }
.service-card { margin-top: 1rem; padding: 1rem; background-color: #eaf5f8; color: #17324d; }
.button { display: inline-block; margin-top: 1rem; padding: .55rem .85rem; background-color: #176b87; color: #ffffff; text-decoration: none; }
.button { background-color: #0f766e; }
.button:focus-visible { outline: 3px solid #f1ab2c; outline-offset: 3px; }
@media (max-width: 560px) { .page-shell { padding-inline: .25rem; } }