:root{font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",system-ui,sans-serif;color:#e9f8ff;background:#061521;font-synthesis:none}
*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden}
button,a{font:inherit;-webkit-tap-highlight-color:transparent}
button{color:inherit}
.museum-body{min-width:320px;background:radial-gradient(circle at 50% 24%,#153a50,#061521 64%)}
.museum-body::selection{background:#75d3ff;color:#061521}
.museum-canvas{position:fixed;inset:0;display:block;width:100%;height:100%;touch-action:none}
.museum-skip{position:fixed;z-index:100;left:16px;top:-70px;padding:11px 16px;border-radius:999px;background:#fff;color:#061521;font-weight:900;text-decoration:none;transition:top .2s}
.museum-skip:focus{top:16px}
.museum-header{position:fixed;z-index:20;inset:0 0 auto;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;min-height:78px;padding:14px clamp(18px,3vw,46px);border-bottom:1px solid rgba(171,225,250,.12);background:linear-gradient(180deg,rgba(3,16,25,.76),transparent);pointer-events:none}
.museum-header a,.museum-header button,.museum-progress{pointer-events:auto}
.museum-back{justify-self:start;display:inline-flex;align-items:center;gap:10px;color:#c8e4f0;text-decoration:none;font-size:12px;font-weight:900}
.museum-back:hover,.museum-back:focus-visible{color:#fff;outline:none}
.museum-brand{display:grid;justify-items:center;line-height:1.15;text-align:center}
.museum-brand b{font-size:15px;letter-spacing:.16em}
.museum-brand small{margin-top:7px;color:#68c9f2;font:800 8px/1 ui-monospace,Consolas,monospace;letter-spacing:.2em}
.museum-header-tools{justify-self:end;display:flex;align-items:center;gap:14px;pointer-events:auto}
.museum-progress{justify-self:end;display:flex;align-items:center;gap:8px;color:#bdd9e5;font:800 10px/1 ui-monospace,Consolas,monospace}
.museum-progress span:first-child{color:#75d3ff;font-size:16px}
.museum-progress i{width:36px;height:1px;background:rgba(117,211,255,.5)}
.museum-language-toggle{width:42px;height:34px;border:1px solid rgba(117,211,255,.32);border-radius:999px;background:rgba(6,29,44,.72);color:#d9f4ff;font:900 10px/1 ui-monospace,Consolas,monospace;letter-spacing:.08em;cursor:pointer;backdrop-filter:blur(12px);transition:border-color .18s ease,background .18s ease,color .18s ease}
.museum-language-toggle:hover,.museum-language-toggle:focus-visible{border-color:#75d3ff;background:rgba(18,68,94,.88);color:#fff;outline:none}
.museum-language-toggle[aria-pressed="true"]{background:#75d3ff;color:#062035}
.museum-entry{position:fixed;z-index:10;left:clamp(24px,8vw,130px);top:50%;width:min(540px,calc(100vw - 48px));transform:translateY(-48%);transition:opacity .65s ease,transform .8s cubic-bezier(.22,1,.36,1);text-shadow:0 8px 34px rgba(0,0,0,.45)}
.museum-entry.is-leaving{opacity:0;transform:translateY(-45%) translateX(-30px);pointer-events:none}
.museum-entry>p{margin:0 0 22px;color:#72d2fa;font:900 10px/1 ui-monospace,Consolas,monospace;letter-spacing:.28em}
.museum-entry h1{margin:0;color:#fff;font-size:clamp(68px,9vw,142px);font-weight:900;line-height:.82;letter-spacing:-.085em}
.museum-entry h1 em{color:transparent;font-style:normal;-webkit-text-stroke:1px rgba(221,245,255,.8)}
.museum-entry-copy{display:grid;grid-template-columns:110px 1fr;gap:24px;align-items:start;max-width:490px;margin:30px 0 28px}
.museum-entry-copy span{color:#fff;font:900 16px/1.3 ui-monospace,Consolas,monospace}
.museum-entry-copy p{margin:0;padding-left:24px;border-left:1px solid rgba(117,211,255,.45);color:#bed8e4;font-size:13px;line-height:1.9}
.museum-preloader{width:min(490px,100%);margin:0 0 18px;padding:16px 18px;border:1px solid rgba(117,211,255,.28);border-radius:8px 22px;background:rgba(4,23,36,.78);box-shadow:0 18px 55px rgba(0,0,0,.24),inset 0 0 35px rgba(51,169,218,.05);backdrop-filter:blur(14px)}
.museum-preloader-head,.museum-preloader-meta{display:flex;align-items:center;justify-content:space-between;gap:16px}
.museum-preloader-head strong{color:#f1fbff;font-size:13px;letter-spacing:.03em}
.museum-preloader-head b{color:#75d3ff;font:900 22px/1 ui-monospace,Consolas,monospace}
.museum-preloader-track{position:relative;height:12px;margin:13px 0 10px;overflow:hidden;border:1px solid rgba(117,211,255,.24);border-radius:999px;background:#03111b;box-shadow:inset 0 2px 7px rgba(0,0,0,.42)}
.museum-preloader-track::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transform:translateX(-100%);animation:museum-preload-scan 1.7s linear infinite}
.museum-preloader-track i{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#168bbd,#75d3ff 68%,#d8f5ff);box-shadow:0 0 18px rgba(117,211,255,.72);transition:width .18s ease}
.museum-preloader.is-complete{border-color:rgba(125,238,194,.42)}
.museum-preloader.is-complete .museum-preloader-track i{background:linear-gradient(90deg,#29b982,#87f1c8)}
.museum-preloader.is-complete .museum-preloader-track::after{display:none}
.museum-preloader-meta{color:#8fafbd;font:800 9px/1.35 ui-monospace,Consolas,monospace;letter-spacing:.04em}
.museum-preloader-meta span:first-child{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.museum-preloader-meta span:last-child{flex:none;color:#c8e4ef}
@keyframes museum-preload-scan{to{transform:translateX(100%)}}
.museum-entry>button{display:inline-flex;align-items:center;gap:44px;padding:15px 18px 15px 24px;border:1px solid rgba(169,228,252,.45);border-radius:999px;background:rgba(6,27,41,.62);color:#fff;font-weight:900;cursor:pointer;backdrop-filter:blur(12px);transition:background .2s,transform .2s}
.museum-entry>button i{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#75d3ff;color:#061521;font-style:normal}
.museum-entry>button:hover,.museum-entry>button:focus-visible{transform:translateY(-2px);background:rgba(18,100,139,.72);outline:3px solid rgba(117,211,255,.2);outline-offset:4px}
.museum-entry>button:disabled{cursor:wait;opacity:.52;transform:none;background:rgba(6,27,41,.52);outline:0}
.museum-entry>small{display:block;margin-top:16px;color:rgba(198,225,237,.62);font-size:9px}
.museum-status{position:fixed;z-index:15;left:50%;bottom:28px;transform:translateX(-50%);padding:8px 13px;border:1px solid rgba(117,211,255,.18);border-radius:999px;background:rgba(4,20,31,.58);color:#a9d9ee;font:800 9px/1 ui-monospace,Consolas,monospace;letter-spacing:.08em;backdrop-filter:blur(9px);transition:opacity .3s}
.museum-status.is-ready{opacity:0;pointer-events:none}
.museum-hud{position:fixed;z-index:12;left:clamp(18px,3vw,48px);bottom:clamp(98px,13vh,140px);max-width:min(360px,calc(100vw - 36px));pointer-events:none}
.museum-hud[hidden],.museum-controls[hidden],.museum-detail[hidden],.museum-fallback[hidden]{display:none}
.museum-current{display:grid;padding:18px 20px;border-left:2px solid #75d3ff;background:linear-gradient(90deg,rgba(4,22,34,.78),rgba(4,22,34,0));text-shadow:0 6px 24px #000}
.museum-current time{color:#75d3ff;font:900 11px/1 ui-monospace,Consolas,monospace}
.museum-current strong{margin-top:7px;font-size:clamp(25px,3vw,40px);line-height:1.1}
.museum-current span{margin-top:7px;color:#bad4df;font-size:11px}
.museum-hud>p{margin:10px 0 0 22px;color:rgba(202,226,236,.62);font-size:9px}
.museum-controls{position:fixed;z-index:18;left:50%;bottom:max(22px,env(safe-area-inset-bottom));display:grid;grid-template-columns:auto minmax(150px,220px) auto;align-items:center;gap:8px;transform:translateX(-50%);padding:7px;border:1px solid rgba(172,225,248,.18);border-radius:999px;background:rgba(3,17,27,.72);box-shadow:0 16px 50px rgba(0,0,0,.28);backdrop-filter:blur(15px)}
.museum-controls button{min-height:44px;padding:0 17px;border:0;border-radius:999px;background:transparent;color:#c6e0eb;font-size:11px;font-weight:900;cursor:pointer}
.museum-controls button:hover,.museum-controls button:focus-visible{background:rgba(117,211,255,.11);color:#fff;outline:none}
.museum-controls button:disabled{opacity:.28;cursor:not-allowed}
.museum-controls .museum-focus-button{background:#e9f8ff;color:#09243a}
.museum-controls .museum-focus-button:hover,.museum-controls .museum-focus-button:focus-visible{background:#75d3ff;color:#061521}
.museum-detail{position:fixed;z-index:30;inset:0 0 0 auto;width:min(520px,100vw);border-left:1px solid rgba(117,211,255,.22);background:rgba(5,23,35,.94);box-shadow:-35px 0 90px rgba(0,0,0,.3);backdrop-filter:blur(24px) saturate(1.2)}
.museum-detail-close{position:absolute;z-index:2;right:22px;top:20px;display:grid;place-items:center;width:42px;height:42px;padding:0;border:1px solid rgba(190,231,249,.22);border-radius:50%;background:rgba(255,255,255,.05);color:#fff;font-size:25px;cursor:pointer}
.museum-detail-close:hover,.museum-detail-close:focus-visible{border-color:#75d3ff;color:#75d3ff;outline:none}
.museum-detail-scroll{height:100%;overflow:auto;padding:clamp(72px,10vh,110px) clamp(28px,5vw,58px) 42px;overscroll-behavior:contain}
.museum-detail-index{display:flex;align-items:center;justify-content:space-between;color:#75d3ff;font:900 13px/1 ui-monospace,Consolas,monospace}
.museum-detail-index span{color:rgba(192,224,237,.5)}
.museum-detail h2{margin:18px 0 9px;color:#fff;font-size:clamp(42px,6vw,72px);line-height:.98;letter-spacing:-.06em;overflow-wrap:anywhere}
.museum-detail-author{margin:0;color:#9fbdca;font-size:15px}
.museum-detail-author b{color:#fff}
.museum-detail-summary{margin:28px 0 0;padding:22px 0;border-top:1px solid rgba(172,225,248,.14);border-bottom:1px solid rgba(172,225,248,.14);color:#d2e5ed;font-size:15px;line-height:1.9}
.museum-detail-grid{display:grid;gap:12px;margin-top:22px}
.museum-detail-grid section{padding:17px 18px;border:1px solid rgba(172,225,248,.12);border-radius:4px 18px;background:rgba(255,255,255,.035)}
.museum-detail-grid small{display:block;margin-bottom:11px;color:#75d3ff;font:900 11px/1.4 ui-monospace,Consolas,monospace;letter-spacing:.09em}
.museum-detail-grid section div{display:grid;gap:7px;color:#d7e7ee;font-size:14px;line-height:1.7}
.museum-detail-grid em{color:#7896a5;font-style:normal}
.museum-detail-scroll>a{display:flex;align-items:center;justify-content:space-between;margin-top:24px;padding:16px 18px;border-radius:999px;background:#e9f8ff;color:#072036;text-decoration:none;font-size:13px;font-weight:900}
.museum-detail-scroll>a:hover,.museum-detail-scroll>a:focus-visible{background:#75d3ff;outline:none}
.museum-fallback{position:fixed;z-index:50;left:50%;top:50%;width:min(480px,calc(100% - 36px));transform:translate(-50%,-50%);padding:35px;border:1px solid rgba(117,211,255,.25);border-radius:8px 30px;background:#092438;text-align:center;box-shadow:0 30px 100px #000}
.museum-fallback b{font-size:22px}.museum-fallback p{color:#aac7d3;line-height:1.8}.museum-fallback a{display:inline-block;margin-top:10px;padding:12px 17px;border-radius:999px;background:#fff;color:#092438;text-decoration:none;font-weight:900}
@media(max-width:760px){
  .museum-header{grid-template-columns:auto 1fr auto;min-height:66px;padding:12px 15px}.museum-brand{justify-items:center}.museum-brand small{display:none}.museum-progress{display:none}.museum-header-tools{gap:0}.museum-back span{display:none}
  .museum-entry{left:22px;top:auto;bottom:46px;width:calc(100vw - 44px);transform:none}.museum-entry.is-leaving{transform:translateY(20px)}.museum-entry>p{margin-bottom:12px}.museum-entry h1{font-size:clamp(52px,18vw,76px)}.museum-entry-copy{grid-template-columns:1fr;gap:8px;margin:16px 0}.museum-entry-copy p{padding-left:15px;font-size:12px;line-height:1.65}.museum-entry>small{margin-top:10px;font-size:8px}.museum-preloader{margin-bottom:12px;padding:13px 14px}.museum-preloader-head strong{font-size:12px}.museum-preloader-head b{font-size:19px}.museum-preloader-track{height:11px;margin:10px 0 8px}.museum-preloader-meta{font-size:8px}.museum-entry>button{padding:11px 14px 11px 19px}.museum-entry>button i{width:29px;height:29px}
  .museum-hud{left:15px;bottom:92px}.museum-current{padding:13px 15px}.museum-current strong{font-size:27px}.museum-hud>p{display:none}
  .museum-controls{width:calc(100% - 24px);grid-template-columns:48px 1fr 48px;bottom:max(12px,env(safe-area-inset-bottom))}.museum-controls button{padding:0}.museum-controls button span{display:none}.museum-controls .museum-focus-button{padding:0 12px}
  .museum-detail{width:100%;top:14vh;border-top:1px solid rgba(117,211,255,.22);border-left:0;border-radius:24px 24px 0 0}.museum-detail-scroll{padding:64px 24px 34px}.museum-detail-index{font-size:12px}.museum-detail h2{font-size:clamp(46px,14vw,62px);line-height:.94}.museum-detail-author{font-size:14px}.museum-detail-summary{font-size:15px;line-height:1.85}.museum-detail-grid small{font-size:10px}.museum-detail-grid section div{font-size:14px}.museum-detail-close{right:16px;top:13px}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}