:root { font-family: "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif; color: #27333d; background: #fff; font-synthesis: none; }
* { box-sizing: border-box; }
body { margin: 0; background: #fff; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:focus-visible, summary:focus-visible { outline: 2px solid #397088; outline-offset: 5px; border-radius: 3px; }
.skip-link { position: absolute; left: 20px; top: -80px; padding: 12px; background: white; z-index: 2; }
.skip-link:focus { top: 12px; }
.masthead { max-width: 1180px; margin: auto; padding: 32px 40px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid #ccd6dd; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-size: 18px; font-weight: 600; letter-spacing: .08em; }
.brand > span:last-child { font-size: 12px; letter-spacing: .2em; font-weight: 400; color: #5e707c; }
.light-mark { width: 26px; height: 26px; border-radius: 50%; background: radial-gradient(circle at 32% 28%, #fff 0, #edfafa 22%, #b6d1d2 58%, #87aeb4 85%); box-shadow: inset 0 0 0 1px #fff9, 0 3px 10px #66898c24; }
.back { font-size: 14px; text-decoration: none; padding: 8px 0; white-space: nowrap; }
.back span { margin-left: 10px; }
main { max-width: 1180px; margin: auto; padding: 0 40px; }
.intro { padding: 70px 0 45px; }
.eyebrow { font-size: 12px; letter-spacing: .2em; color: #5b737e; margin: 0 0 20px; }
h1 { font-size: clamp(30px, 5vw, 44px); font-weight: 500; letter-spacing: -.03em; margin: 0 0 18px; }
.summary { font-size: 17px; color: #536570; line-height: 1.8; margin: 0 0 24px; }
.dates { display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 13px; line-height: 1.8; color: #61717d; }
.dates span { white-space: nowrap; }
.document-layout { display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 64px; border-top: 1px solid #ccd6dd; padding-top: 32px; }
aside { align-self: start; position: sticky; top: 28px; }
summary { font-size: 14px; font-weight: 600; padding: 8px 0 14px; cursor: pointer; }
aside nav { display: grid; gap: 4px; }
aside a { font-size: 14px; line-height: 1.6; color: #596d79; text-decoration: none; padding: 6px 0; }
aside a:hover { color: #173a49; text-decoration: underline; }
article { min-width: 0; padding-bottom: 48px; }
section { scroll-margin-top: 30px; margin-bottom: 38px; }
h2 { font-size: 20px; font-weight: 600; line-height: 1.6; margin: 5px 0 18px; }
article p { font-size: 16px; line-height: 1.95; color: #465762; margin: 0 0 16px; overflow-wrap: anywhere; }
footer { max-width: 1100px; margin: 0 auto; padding: 28px 0 40px; border-top: 1px solid #ccd6dd; color: #5b6f7c; font-size: 13px; line-height: 1.8; }
footer nav { display: flex; flex-wrap: wrap; gap: 12px; }
footer a { padding: 4px 0; }
footer nav span { align-self: center; }
.copyright { font-size: 12px; letter-spacing: .1em; }
@media (max-width: 760px) {
  .masthead { margin: 0 22px; padding: 24px 0; }
  main { padding: 0 22px; }
  .intro { padding: 42px 0 24px; }
  .document-layout { grid-template-columns: 1fr; gap: 24px; padding-top: 14px; }
  aside { position: static; padding-bottom: 18px; border-bottom: 1px solid #ccd6dd; }
  aside nav { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 16px; }
  aside a { font-size: 13px; }
  article { padding-bottom: 6px; }
  section { margin-bottom: 30px; }
  h2 { font-size: 19px; }
  footer { margin: 0 22px; padding-bottom: 28px; }
}
@media print { body { background: white; } .masthead, aside, .back, .skip-link { display: none; } .intro { padding-top: 0; } .document-layout { display: block; } article p { color: black; } section { break-inside: avoid; } }