:root{--exhibition-dock-height:104px}
body.exhibition-guided{padding-bottom:var(--exhibition-dock-height)}
body.exhibition-guided #page-home{display:none!important}
body.exhibition-guided #museumGateway{bottom:var(--exhibition-dock-height);min-height:0}
body.exhibition-guided .museum-hall-heading{bottom:24px}
#museumIntro[hidden],#museumHallUi[hidden]{display:none!important}
.exhibition-dock{position:fixed;bottom:0;left:0;right:0;z-index:800;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:13px max(20px,calc((100vw - 1440px)/2));border-top:1px solid #c3a777;background:#193b38eb;color:#fff3d8;backdrop-filter:blur(12px);box-shadow:0 -5px 20px #102b3140;font:15px/1.6 'Microsoft YaHei',sans-serif}
.exhibition-dock[hidden],.exhibition-notice[hidden]{display:none}
.exhibition-dock strong{font-size:17px;line-height:1.5}
.exhibition-dock p{font-size:13px;margin:4px 0 0;color:#eee3cb}
.exhibition-dock-actions{display:flex;gap:12px;flex-shrink:0}
.exhibition-dock button,.exhibition-progress button{padding:11px 17px;border:1px solid #c9ac77;border-radius:5px;background:#f7edda;color:#244a46;font:600 14px/1.5 'Microsoft YaHei',sans-serif;cursor:pointer}
#exhibition-next{background:#ac4b37;color:#fff8e8}
.exhibition-dock button:disabled{opacity:.55;cursor:default}
.exhibition-dock button:focus-visible,.exhibition-progress button:focus-visible{outline:3px solid #f3c76e;outline-offset:3px}
.exhibition-notice{position:fixed;top:85px;left:50%;transform:translateX(-50%);z-index:1000;width:min(660px,calc(100vw - 30px));box-sizing:border-box;background:#fff5e2;color:#244a46;border:1px solid #b7955c;border-radius:8px;padding:16px 46px 16px 20px;box-shadow:0 8px 30px #0005;font:15px/1.8 'Microsoft YaHei',sans-serif}
.exhibition-notice button{position:absolute;right:10px;top:10px;border:0;background:transparent;color:inherit;font-size:23px;cursor:pointer}
.exhibition-recommended{background:#b58c422b;box-shadow:inset 0 -2px #d5ad66}
.exhibition-progress{width:min(720px,95vw);max-height:88dvh;padding:25px;border:1px solid #bda172;border-radius:10px;background:#faf0dd;color:#234a46;font:15px/1.7 'Microsoft YaHei',sans-serif}
.exhibition-progress:not([open]){display:none!important}
.exhibition-progress[open]{display:block}
.exhibition-progress::backdrop{background:#0b2224cf}
.exhibition-progress header{display:flex;align-items:center;justify-content:space-between;gap:15px}
.exhibition-progress h2{margin:0;font-size:24px}
.exhibition-progress ol{padding:0;list-style:none;margin:20px 0 0}
.exhibition-progress li{display:flex;justify-content:space-between;gap:18px;padding:10px 12px;border-bottom:1px solid #cfbea0}
.exhibition-progress li small{color:#78817a}
.exhibition-progress .is-current{background:#e8d7aa;font-weight:600}
.exhibition-progress .is-complete small{color:#34644e}

/* Keep the original double outline and transparent capsule; brighten it only. */
#museumEnter {
  animation: none;
  color: #e9866d;
  border-color: #d26b54;
  box-shadow: 0 0 0 4px #5b140f24, 0 0 14px #c34e3829, inset 0 0 18px #b1342712;
}
#museumEnter::after { border-color: #d9755c99; }
#museumEnter i { color: inherit; }
#museumEnter.is-entry-hint {
  color: #ff9b7e;
  border-color: #ed8165;
  box-shadow: 0 0 0 4px #5b140f2e, 0 0 20px #d64e384d, inset 0 0 18px #b134271a;
}
#museumEnter.is-entry-hint::after { border-color: #ee8a6db3; }
#museumEnter.is-entry-pulsing {
  animation: exhibitionEntryBrighten 1.6s ease-in-out 3;
  animation-play-state: running;
}
#museumEnter:hover,
#museumEnter:focus-visible { color: #ffb398; border-color: #f69b7c; }
@keyframes exhibitionEntryBrighten {
  0%, 100% { color: #ff9b7e; border-color: #ed8165; box-shadow: 0 0 0 4px #5b140f2e, 0 0 20px #d64e384d, inset 0 0 18px #b134271a; }
  50% { color: #ffc0a4; border-color: #ffb08b; box-shadow: 0 0 0 4px #5b140f2e, 0 0 26px #df644b66, inset 0 0 18px #b1342724; }
}
@media (prefers-reduced-motion: reduce) {
  #museumEnter.is-entry-hint,
  #museumEnter.is-entry-hint i { animation: none; transition: none; }
}
@media(max-width:700px){.exhibition-dock{flex-wrap:wrap;gap:9px;padding:10px 14px}.exhibition-dock strong{font-size:15px}.exhibition-dock-actions{width:100%}#exhibition-next{flex:1}.exhibition-dock button{font-size:13px;padding:10px}.exhibition-progress{padding:18px}body.exhibition-guided .museum-hall-heading{bottom:185px}}
.taishan-railway-entry{margin-top:20px;padding:13px 20px;border:1px solid #b36d48;border-radius:4px;background:#234b45;color:#fff0d1;font:600 16px/1.5 'Microsoft YaHei',sans-serif;cursor:pointer}
.exhibition-railway{width:min(1540px,98vw);height:96dvh;max-width:none;max-height:96dvh;padding:0;border:1px solid #b49c6a;border-radius:8px;background:#102c2d;color:#f7ecd3;overflow:hidden}
.exhibition-railway:not([open]){display:none}.exhibition-railway[open]{display:flex;flex-direction:column}.exhibition-railway::backdrop{background:#071a1be8}
.exhibition-railway header,.exhibition-railway footer{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:12px 20px;flex-shrink:0}.exhibition-railway h2{font-size:20px;margin:2px 0}.exhibition-railway small{color:#cdb48c}
.exhibition-railway button{padding:10px 15px;border:1px solid #b49c6a;border-radius:4px;background:#f7ecd3;color:#234a45;font:600 14px/1.5 'Microsoft YaHei',sans-serif;cursor:pointer}.exhibition-railway button:disabled{opacity:.5;cursor:wait}.exhibition-railway button:focus-visible{outline:3px solid #eabd73;outline-offset:3px}
.exhibition-railway-screen{flex:1;min-height:0;background:#0b2022}.exhibition-railway iframe{width:100%;height:100%;border:0;display:block}.exhibition-railway footer span{font:13px/1.6 'Microsoft YaHei',sans-serif}.exhibition-railway footer{border-top:1px solid #b49c6a55}
@media(max-width:650px){.exhibition-railway{width:100vw;height:100dvh;max-height:100dvh;border-radius:0}.exhibition-railway header,.exhibition-railway footer{padding:9px 12px;gap:10px}.exhibition-railway h2{font-size:16px}.exhibition-railway footer{flex-wrap:wrap}}


/* Larger railway image area; compact outer chrome. */
.exhibition-railway{width:calc(100vw - 24px);height:calc(100dvh - 24px);max-height:calc(100dvh - 24px);background:#102c2db8;backdrop-filter:blur(14px)}
.exhibition-railway header,.exhibition-railway footer{padding:8px 16px;gap:10px;background:#102b2e9c}
.exhibition-railway h2{font-size:18px}.exhibition-railway small{font-size:11px}.exhibition-railway button{padding:7px 12px;font-size:13px}.exhibition-railway footer span{font-size:11px}
.exhibition-writing-entry{margin:16px 0;background:#a84e43;color:#fff1d9;border:1px solid #d6b582;cursor:pointer}
@media(max-width:650px){.exhibition-railway{width:100vw;height:100dvh;max-height:100dvh}.exhibition-railway header,.exhibition-railway footer{padding:7px 9px}.exhibition-railway h2{font-size:16px}.exhibition-railway footer span{max-width:55%;line-height:1.4}}