*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0; background: #07111f; color: #e7eefc;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px; line-height: 1.65;
}
a { color: #7dd3fc; text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid #7dd3fc; outline-offset: 3px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 12px; top: 12px; background: #0f1b30; color: #fff; padding: 8px 12px; }
.top {
  display: flex; justify-content: space-between; gap: 16px; align-items: center;
  padding: 16px 28px; border-bottom: 1px solid #1d2b45; background: #07111f;
  position: sticky; top: 0; z-index: 2;
}
.mark { color: inherit; letter-spacing: 0.14em; font-family: Consolas, "Cascadia Mono", monospace; font-size: 14px; }
.mark b { color: #fbbf24; font-weight: 600; }
.top nav { display: flex; flex-wrap: wrap; gap: 14px; font-family: Consolas, "Cascadia Mono", monospace; font-size: 13px; }
.top nav a { color: #c5d4ee; }
.top nav a[aria-current="page"] { color: #fbbf24; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 28px 22px 72px; }
.coord { font-family: Consolas, "Cascadia Mono", monospace; color: #93a4c3; font-size: 12px; letter-spacing: 0.08em; }
h1 { font-size: 40px; line-height: 1.15; margin: 8px 0 12px; font-weight: 600; letter-spacing: -0.03em; }
h2 { margin: 2rem 0 0.6rem; font-size: 13px; letter-spacing: 0.16em; text-transform: uppercase; color: #7dd3fc; font-weight: 600; }
h2 + p, h2 + ol, h2 + ul, h2 + .bento { margin-top: 0; }
h3 { font-size: 18px; margin: 0 0 6px; color: #fff; }
.lede { font-size: 18px; max-width: 68ch; color: #d5e2f7; }
.bento { display: grid; grid-template-columns: 1.4fr 1fr; gap: 12px; }
.tile { background: #101a2e; border: 1px solid #243556; padding: 16px 16px 14px; }
.tile.wide { grid-column: 1 / -1; }
.tile span { display: block; font-family: Consolas, monospace; color: #fbbf24; font-size: 12px; margin-bottom: 6px; }
svg.map { width: 100%; height: auto; display: block; background: #0c1730; border: 1px solid #243556; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid #243556; }
th { color: #93a4c3; font-weight: 600; font-family: Consolas, monospace; font-size: 12px; }
.cta { display: inline-block; margin-top: 12px; padding: 10px 14px; background: #7dd3fc; color: #07111f; font-weight: 700; }
.cta:hover { text-decoration: none; background: #bae6fd; }
.crumbs ol { display: flex; gap: 8px; flex-wrap: wrap; padding: 0; margin: 0 0 10px; list-style: none; color: #93a4c3; font-family: Consolas, monospace; font-size: 12px; }
.crumbs a { color: #93a4c3; }
footer { border-top: 1px solid #1d2b45; padding: 22px 28px 40px; color: #93a4c3; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 18px; font-size: 13px; }
footer a { color: #c5d4ee; }
::selection { background: #7dd3fc; color: #07111f; }
@media (max-width: 800px) {
  .bento, footer { grid-template-columns: 1fr; }
  h1 { font-size: 30px; }
  .top { flex-direction: column; align-items: flex-start; }
}