:root { color-scheme: dark; font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif; color: #e4e4e7; background: #0f0f10; letter-spacing: 0; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; display: flex; flex-direction: column; }
button { font: inherit; letter-spacing: 0; }
::selection { background: #ef4444; color: #fff; }
.container { width: min(100%, 1152px); margin-inline: auto; padding-inline: 24px; }
.masthead { background: #09090b; border-bottom: 1px solid #27272a; }
.masthead-inner { min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.identity { display: flex; align-items: center; gap: 12px; }
.identity img { display: block; width: 36px; height: 36px; object-fit: contain; }
.identity strong { display: block; font-size: 14px; color: #fff; }
.identity span { display: block; margin-top: 6px; font-size: 11px; color: #a1a1aa; }
.disclosure { font-size: 12px; color: #a1a1aa; }
main.container { flex: 1; padding-top: 96px; padding-bottom: 64px; }
.intro { margin-bottom: 44px; }
.eyebrow { color: #ff6868; font-size: 12px; font-weight: 700; margin: 0 0 8px; }
h1 { margin: 0 0 16px; font-size: 48px; font-weight: 900; line-height: 1.2; color: #fff; }
.summary { max-width: 680px; margin: 0; font-size: 16px; line-height: 1.8; color: #a1a1aa; }
.links { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; }
.links button { min-width: 0; min-height: 180px; display: flex; flex-direction: column; padding: 24px; background: #18181b; border: 1px solid #353539; border-radius: 6px; color: #fff; cursor: pointer; text-align: left; transition: border-color .15s, background .15s; }
.number { color: #a1a1aa; font-family: ui-monospace, Consolas, monospace; font-size: 24px; line-height: 1.2; font-weight: 800; margin-bottom: 16px; }
.label { display: block; font-size: 20px; font-weight: 700; line-height: 1.45; overflow-wrap: anywhere; }
.caption { display: block; width: 100%; margin-top: auto; padding-top: 12px; border-top: 1px solid #3f3f46; font-size: 12px; line-height: 1.6; color: #b4b4bd; }
.label + .caption { margin-top: 16px; }
.links .featured { background: #27272a; border: 2px solid #ef4444; padding: 23px; }
.featured .number { color: #ff6868; }
.links button:hover { border-color: #ef4444; background: #222225; }
.links button:hover .number, .links button:hover .label { color: #ff6868; }
.links button:focus-visible { outline: 3px solid #fafafa; outline-offset: 4px; }
.links button[aria-busy="true"] { cursor: progress; border-color: #ff8989; background: #303034; }
.status-space { min-height: 56px; padding-top: 12px; }
#nav-status { margin: 0; color: #ffaaaa; font-size: 14px; line-height: 1.6; }
.note { border-left: 2px solid #ef4444; padding: 2px 0 2px 16px; font-size: 13px; line-height: 1.8; color: #b4b4bd; }
.note p { margin: 0; }
.note p + p { margin-top: 6px; }
.noscript { color: #ffaaaa; font-size: 14px; }
footer { border-top: 1px solid #27272a; background: #09090b; }
.footer-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 12px; color: #a1a1aa; }
.footer-inner > :first-child { color: #e4e4e7; font-family: ui-monospace, Consolas, monospace; }
@media (max-width: 1000px) and (min-width: 701px) { .links { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 700px) {
  .container { padding-inline: 20px; }
  .masthead-inner { min-height: 88px; flex-wrap: wrap; gap: 8px; padding-block: 16px; }
  .disclosure { font-size: 11px; }
  main.container { padding-top: 40px; padding-bottom: 40px; }
  h1 { font-size: 34px; }
  .summary { font-size: 14px; }
  .intro { margin-bottom: 28px; }
  .links { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .links button { min-height: 140px; padding: 20px; }
  .links .featured { padding: 19px; }
  .number { margin-bottom: 8px; font-size: 22px; }
  .label { font-size: 20px; }
  .label + .caption { margin-top: 12px; }
  .status-space { min-height: 44px; }
  .footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 20px; gap: 8px; }
}