:root { color-scheme: dark; font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif; background: #000; color: #f5f5f7; }
* { box-sizing: border-box; }
html,body { margin: 0; background: #000; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.experience-nav { max-width: 1180px; margin: auto; padding: 18px 40px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #24292b; background: #000; }
.brand { font-size: 20px; font-weight: 700; letter-spacing: .15em; }
.back-link { font-size: 14px; color: #bcc6c8; min-height: 44px; display: inline-flex; align-items: center; gap: 14px; }
main { max-width: 1180px; margin: auto; padding: 28px 40px 24px; background: #000; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.experience-tabs { display: flex; gap: 8px; flex-wrap: wrap; padding-bottom: 18px; }
.experience-tabs button { display: inline-flex; align-items: center; gap: 12px; min-height: 48px; padding: 12px 22px; border: 1px solid #3a4344; border-radius: 99px; color: #c2cdcf; background: #000; cursor: pointer; font-size: 16px; font-weight: 600; }
.experience-tabs button span { font-size: 12px; font-weight: 500; opacity: .7; }
.experience-tabs button[aria-selected="true"] { background: #a2e2d7; border-color: #a2e2d7; color: #122522; }
.experience-tabs button:hover { border-color: #a2e2d7; }
button:focus-visible,a:focus-visible { outline: 3px solid #87ded1; outline-offset: 4px; }
.load-status { color: #aeb8bb; font-size: 14px; margin: 0; }
.load-status:not(:empty) { padding-bottom: 14px; }
.experience-panel { min-width: 0; background: #000; color-scheme: dark; }
.experience-panel[hidden] { display: none; }
.experience-panel iframe { display: block; width: 100%; height: 500px; border: 0; background: #000; color-scheme: dark; }
.experience-panel iframe[data-damon-player] { height: 1300px; }
.experience-context { max-width: 760px; margin: 28px auto 0; padding: 24px 0 0; border-top: 1px solid #252c30; background: #000; }
.experience-context h2 { margin: 0 0 12px; font-size: 19px; line-height: 1.5; font-weight: 600; color: #e7edef; }
.experience-context > p { margin: 0; color: #abb7c0; font-size: 15px; line-height: 1.9; }
.experience-context .context-sources { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 16px; font-size: 12px; line-height: 1.8; color: #83949b; }
.context-sources a { color: #a7c9c5; text-decoration: underline; text-underline-offset: 4px; overflow-wrap: anywhere; }
.experience-note { max-width: 760px; margin: 20px auto 0; font-size: 13px; line-height: 1.7; color: #879599; }
.noscript { line-height: 1.8; }
.noscript a { color: #87ded1; }
footer { max-width: 1180px; margin: auto; padding: 26px 40px 40px; color: #68777c; font-size: 12px; letter-spacing: .08em; background: #000; }
@media(max-width:600px) {
  .experience-nav { padding: 12px 20px; }
  main { padding: 20px 12px; }
  .experience-tabs { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; padding: 0 8px 18px; }
  .experience-tabs button { min-width: 0; padding: 12px 9px; gap: 8px; justify-content: center; font-size: 15px; }
  .experience-panel iframe { height: 760px; }
  .experience-panel iframe[data-damon-player] { height: 1600px; }
  .experience-context,.experience-note { margin-left: 8px; margin-right: 8px; }
  .experience-context { padding-top: 20px; }
  .experience-context h2 { font-size: 18px; }
  .experience-context > p { font-size: 14px; }
  footer { padding: 20px; }
}
