* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 28px; }
body { margin: 0; background: var(--white); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; font-size: 16px; line-height: 1.75; -webkit-font-smoothing: antialiased; }
body, p, h1, h2, h3, figure, ol, ul { margin-top: 0; }
h1, h2, h3 { font-weight: 600; letter-spacing: 0; line-height: 1.3; text-wrap: pretty; }
h1 { margin-bottom: 24px; font-size: clamp(40px, 4.6vw, 64px); }
h2 { margin-bottom: 20px; font-size: clamp(28px, 3vw, 36px); }
h3 { margin-bottom: 12px; font-size: 21px; }
p { margin-bottom: 20px; }
a { color: inherit; text-underline-offset: 5px; }
button { font: inherit; }
img { display: block; max-width: 100%; height: auto; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid #278bc5; outline-offset: 5px; border-radius: 3px; }
main:focus { outline: none; }
::selection { background: #cfedfb; color: var(--navy-deep); }
.shell { width: min(var(--shell), calc(100% - var(--gutter) * 2)); margin-inline: auto; }
.section { padding-block: var(--section-gap); }
.eyebrow { color: var(--navy); font-size: 13px; font-weight: 650; letter-spacing: .06em; margin-bottom: 20px; }
.lead { color: var(--muted); font-size: 18px; line-height: 1.8; max-width: 640px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 40px; margin-bottom: 48px; }
.section-heading h2 { margin-bottom: 0; }
.skip-link { position: fixed; top: 10px; left: 10px; padding: 12px 20px; background: var(--white); z-index: 100; transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
@media (max-width: 760px) {
  h1 { font-size: clamp(32px, 8.9vw, 40px); }
  h2 { font-size: 27px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 24px; margin-bottom: 32px; }
  .eyebrow { margin-bottom: 16px; }
  .lead { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }
