:root{--ink:#203f36;--green:#254e45;--paper:#f6f3eb;--white:#fffef9;--muted:#72786b;--gold:#a6854b;--line:#deddd2;--serif:"Songti SC","STSong","Noto Serif CJK SC",serif;--sans:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit;border:0}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:2px solid #92682b;outline-offset:5px}button:disabled{cursor:default;opacity:.45}a{color:inherit}button svg{height:18px;width:18px;fill:none;stroke:currentColor;stroke-width:1.45;stroke-linecap:round;stroke-linejoin:round}button{touch-action:manipulation}button:hover{filter:brightness(.96)}[hidden]{display:none!important}.skip-link{position:absolute;left:18px;top:-80px;z-index:30;padding:12px;background:white}.skip-link:focus{top:8px}
.masthead{height:88px;background:var(--white);display:flex;align-items:center;justify-content:space-between;padding:0 40px;border-bottom:1px solid var(--line);position:relative;z-index:5}.brand{display:flex;align-items:center;gap:15px;text-align:left;background:none;padding:0}.seal{width:47px;height:47px;border-radius:50%;background:var(--green);color:#ecdcb3;border:1px solid #a99972;outline:1px solid #a99972;outline-offset:-5px;display:grid;place-items:center;font:26px var(--serif)}.brand-type strong{display:block;font:22px var(--serif);letter-spacing:2px;font-weight:600}.brand-type small{display:block;font-size:10px;letter-spacing:1.6px;color:var(--muted);margin-top:5px}.header-actions{display:flex;gap:26px;align-items:center}.text-button{display:flex;align-items:center;gap:8px;background:none;font-size:12px;padding:10px 0}.course-link{text-decoration:none;border:1px solid #bfcabd;border-radius:3px;padding:12px 17px;font-size:12px;display:flex;gap:22px}.course-link:hover{background:#e9eee4}.course-link span{font-size:16px}
.spatial-view{height:calc(100dvh - 224px);min-height:520px;position:relative;isolation:isolate;overflow:hidden}.stage{position:absolute;inset:0;background:#e7e4d9;outline-offset:-4px!important;cursor:grab;touch-action:pan-y}.stage:active{cursor:grabbing}#canvas-host{width:100%;height:100%}#canvas-host canvas{display:block;width:100%;height:100%;touch-action:pan-y}.stage-wash{position:absolute;inset:0;background:linear-gradient(90deg,rgba(245,243,235,.97) 0%,rgba(245,243,235,.92) 20%,rgba(245,243,235,.58) 33%,transparent 52%);pointer-events:none}.scene-copy{position:absolute;top:10.5%;left:5.2%;width:340px;pointer-events:none}.scene-copy button,.scene-copy a{pointer-events:auto}.eyebrow{font-size:9px;letter-spacing:2px;font-family:var(--sans);font-weight:500;display:flex;align-items:center;gap:16px;color:var(--gold)}.eyebrow #room-number{font-size:12px;border-bottom:1px solid #ac9568;padding-bottom:4px;letter-spacing:1px}.scene-copy h1{font:500 clamp(36px,3.7vw,62px)/1.32 var(--serif);letter-spacing:4px;margin:24px 0 20px;color:#203f36}.thin-rule{height:1px;width:44px;background:var(--gold);margin:0 0 19px}.scene-subtitle{font-size:13px;letter-spacing:4px;margin:0 0 14px}.scene-description{font-size:12px;line-height:2.05;color:#687264;max-width:280px;margin:0}.scene-actions{display:flex;gap:12px;margin-top:26px}.primary{background:var(--green);color:#fff9e9;border-radius:2px;font-size:12px;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:28px;min-width:140px}.primary span{font-size:18px;font-family:serif}.secondary{font-size:12px;background:transparent;border-bottom:1px solid #9caa93;padding:9px 3px;margin-left:6px;align-self:center}.course-numbers{display:flex;gap:26px;margin:30px 0 0;max-width:310px}.course-numbers div{min-width:38px}.course-numbers dt{font:24px Georgia,var(--serif);color:#516045}.course-numbers dd{font-size:10px;letter-spacing:3px;margin:4px 0 0;color:#737b67}
.space-caption{position:absolute;top:25px;right:28px;display:flex;gap:8px;align-items:center;color:#435847;font-size:10px;letter-spacing:2px;padding:10px 14px;background:#f7f7eecc;backdrop-filter:blur(8px);border:1px solid #fff6;border-radius:2px}.small-dot{width:5px;height:5px;background:#65806a;border-radius:50%}.scene-controls{position:absolute;right:28px;top:83px;display:flex;flex-direction:column;gap:6px}.icon-button{background:#fbfaf3db;border:1px solid #fff8;width:35px;height:35px;display:grid;place-items:center;border-radius:3px;font:18px Georgia,var(--serif)}.hint{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);font-size:10px;letter-spacing:1px;display:flex;align-items:center;gap:8px;color:#5b6256;background:#f7f6eef0;padding:9px 13px;border-radius:30px;white-space:nowrap;pointer-events:none}.hint svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:1}.hint span{opacity:.5}.space-note{position:absolute;bottom:23px;left:5.2%;font-size:9px;letter-spacing:1px;color:#858977}.mini-map{position:absolute;right:22px;bottom:24px;width:134px;height:134px;border-radius:50%;background:rgba(250,249,240,.86);border:1px solid rgba(185,181,158,.7);box-shadow:0 8px 40px #243c2c0b}.mini-map:before{content:"";position:absolute;inset:28px;border:1px solid #b6b8a1;border-radius:50%}.map-center{position:absolute;inset:0;display:grid;place-items:center;font:23px var(--serif);color:#8a906f;pointer-events:none}.map-dot{position:absolute;width:24px;height:24px;border-radius:50%;background:#e8e9dc;font:10px Georgia,var(--serif);border:1px solid #d2d5c2;transform:translate(-50%,-50%);padding:0}.map-dot[aria-current="true"]{background:var(--green);color:#fff6dd;border:1px solid var(--green);box-shadow:0 0 0 4px #254e4510}
.tour-footer{height:136px;background:var(--white);padding:18px 40px 14px;border-top:1px solid var(--line);position:relative;z-index:4}.tour-topline{display:flex;align-items:center;gap:28px;font-size:10px;letter-spacing:1.2px;color:#576650;margin-bottom:16px}.tour-topline small{font:10px Georgia;letter-spacing:1px;margin-left:12px;color:#949680}#auto-tour{background:none;padding:0;display:flex;align-items:center;gap:6px;color:#567048;font-size:10px;letter-spacing:1px}#tour-icon{font-size:16px;line-height:12px}.keyboard-hint{margin-left:auto;color:#919680;font-size:9px}.room-nav{display:grid;grid-template-columns:repeat(8,1fr);gap:10px}.room-button{position:relative;display:flex;align-items:center;gap:12px;text-align:left;padding:16px 12px;background:#f5f5ef;color:#6a7561;border:1px solid transparent;border-radius:2px;min-width:0;white-space:nowrap;font-size:12px;letter-spacing:1px}.room-button b{font:18px Georgia;letter-spacing:-1px;color:#9ba289;font-weight:400}.room-button[aria-current="true"]{background:var(--green);color:#fff6e5}.room-button[aria-current="true"] b{color:#d8c493}.room-button.visited:after{content:"";width:3px;height:3px;background:#a38c55;border-radius:50%;position:absolute;top:6px;right:6px}.room-button[aria-current="true"]:after{background:#d8c493}.room-button:hover{border-color:#c4cab7}
.loading{position:absolute;inset:0;z-index:4;display:flex;align-items:center;justify-content:center;gap:12px;background:#edece1;color:#758165;font-size:11px;letter-spacing:3px;transition:opacity .4s}.loading.done{opacity:0;pointer-events:none}.loading-orbit{border:1px solid #babfa6;border-top-color:#4b674d;width:25px;height:25px;border-radius:50%;animation:spin 1.2s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
dialog{border:1px solid var(--line);color:var(--ink);background:var(--white);box-shadow:0 25px 100px #10291d26;padding:30px;max-height:88dvh;scrollbar-color:#b8c3ac transparent;border-radius:4px}dialog::backdrop{background:#1c322566;backdrop-filter:blur(7px)}.detail-dialog{width:850px}.dialog-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.close-button{background:#eeefe5;color:#4d624c;width:36px;height:36px;font:25px/1 var(--sans);border-radius:50%;flex-shrink:0}.dialog-title{font:32px/1.4 var(--serif);font-weight:500;margin:4px 0 15px}.detail-lead{font-size:13px;line-height:2;color:#697365;max-width:650px}.detail-quote{font:25px/1.65 var(--serif);border-left:2px solid #b39a64;padding-left:20px;margin:24px 0;color:#52654b}.block-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:22px;margin:28px 0}.content-block h3{font:600 16px/1.5 var(--serif);margin:0 0 12px}.content-block p{font-size:12px;line-height:2;color:#687463;margin:0}.exhibit-heading{border-top:1px solid var(--line);padding-top:24px;font-size:12px;letter-spacing:2px;margin-top:28px}.exhibit-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:18px}.exhibit{border:0;text-align:left;padding:0;background:#f5f4ed;width:100%;border-radius:3px;overflow:hidden;display:flex;flex-direction:column}.exhibit img{width:100%;height:190px;object-fit:contain;display:block;background:#eeeee6;padding:10px}.exhibit-label{display:block;padding:13px 15px;font-size:12px;line-height:1.6}.exhibit-label small{display:block;margin-top:6px;color:#838978;font-size:9px;line-height:1.8}.exhibit-label strong{font-weight:500}.exhibit-label i{float:right;font-style:normal;font-size:16px;color:var(--gold)}.source-details{border-top:1px solid var(--line);margin-top:28px;padding-top:16px;color:#7c8372;font-size:10px;line-height:1.9}.source-details summary{cursor:pointer;letter-spacing:1px;display:list-item}.source-details p{margin:12px 0 0}.note{font-size:11px;line-height:1.9;color:#7e806d;padding:16px;border:1px solid #dfdfcf;border-radius:2px;margin-top:22px}
.timeline{display:flex;margin:26px 0;gap:20px;border-top:1px solid var(--line);padding-top:24px}.timeline div{flex:1}.timeline b{font:27px Georgia;color:var(--gold)}.timeline h3{font:16px var(--serif);font-weight:500}.timeline p{font-size:11px;line-height:1.8;color:#78836e}.artifact-tags{display:flex;flex-wrap:wrap;gap:10px}.artifact-tags span{border:1px solid #d6ddcd;font-size:11px;padding:8px 13px;border-radius:2px}.process-chain{list-style:none;padding:0;margin:25px 0;display:flex;gap:8px}.process-chain li{flex:1;position:relative;background:#edf1e5;padding:14px 7px;text-align:center;font-size:11px}.process-chain li b{display:block;font:18px Georgia;color:#a18a52;margin-bottom:10px}.process-chain li:not(:last-child):after{content:"→";position:absolute;right:-9px;top:50%;transform:translateY(-50%);z-index:1;background:var(--white);color:var(--gold);width:18px}
.module-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}.module-list{display:flex;flex-direction:column;gap:5px}.module-row{display:flex;align-items:center;gap:9px;text-align:left;border:1px solid transparent;background:#f2f3eb;padding:11px 10px;font-size:11px}.module-row>span{font:13px Georgia;color:#929d83}.module-row>em{font-style:normal;margin-left:auto;font-size:10px;white-space:nowrap;color:#879578}.module-row[aria-pressed="true"]{background:#e6eddf;border-color:#a8b897;color:#234e34}.module-detail{background:#e9eee2;border:1px solid #cfd9c2;padding:23px;align-self:start;position:sticky;top:0}.module-detail .module-kicker{font-size:10px;letter-spacing:1px;color:#859170}.module-detail h3{font:24px/1.5 var(--serif);margin:16px 0;color:#3b5533}.module-detail p{font-size:12px;line-height:2;color:#697b5e}.module-delivery{border-top:1px solid #ced8c1;margin-top:20px;padding-top:15px}.module-delivery small{font-size:10px;letter-spacing:2px;color:#899472}.module-delivery p{color:#506746;font-size:12px}
.people-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:25px 0}.person{display:flex;align-items:flex-start;gap:15px;border:1px solid #e1e4d7;padding:18px}.person-initial{font:24px var(--serif);border:1px solid #bdc4ad;background:#f0f2e8;width:48px;height:55px;display:grid;place-items:center;color:#697d5d;flex-shrink:0}.person h3{font:20px var(--serif);margin:1px 0 7px}.person small{font-size:10px;color:#9a885b}.person p{font-size:11px;line-height:1.9;margin:9px 0 0;color:#7a836e}.achievement-list{margin:24px 0;display:flex;flex-direction:column}.achievement{display:flex;gap:24px;padding:22px 0;border-top:1px solid var(--line)}.achievement-year{font:25px Georgia;color:var(--gold);min-width:58px}.achievement small{font-size:9px;letter-spacing:1px;color:#8b957d}.achievement h3{font:18px/1.5 var(--serif);margin:8px 0}.achievement p{font-size:12px;color:#75806a;line-height:1.8;margin:6px 0}.achievement .evidence-line{font-size:10px;color:#929882}
.overview-dialog{width:850px}.overview-dialog h2,.help-dialog h2{font:30px var(--serif);font-weight:500;margin:0 0 10px}.muted{color:#7a8270;font-size:12px;line-height:1.9}#overview-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:25px}.overview-room{display:flex;flex-direction:column;min-height:138px;text-align:left;padding:20px 16px;background:#f1f3e9;border:1px solid #e1e5d7;position:relative}.overview-room b{font:30px Georgia;color:#a8af96;margin-bottom:15px}.overview-room strong{font:18px var(--serif);font-weight:500;margin-bottom:9px}.overview-room small{font-size:9px;line-height:1.6;color:#859174}.overview-room.active{background:var(--green);color:white}.overview-room.active b,.overview-room.active small{color:#d0d5b6}.help-dialog{width:560px}.help-dialog ul{padding-left:20px;font-size:13px;color:#6c7c63;line-height:2.1}.image-dialog{width:min(96vw,1500px);height:92dvh;max-height:92dvh;padding:20px;overflow:hidden;display:none;flex-direction:column}.image-dialog[open]{display:flex}.image-top{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;border-bottom:1px solid var(--line);padding:0 0 15px;margin-bottom:12px;flex-shrink:0}.image-top h2{font:20px var(--serif);font-weight:500;margin:0 0 7px}.image-top p{font-size:10px;color:#8a907e;margin:0}.image-scroll{flex:1;overflow:auto;display:flex;align-items:flex-start;justify-content:center;background:#eee;}#large-image{width:100%;height:100%;object-fit:contain;min-height:0}.image-dialog .close-button{width:33px;height:33px}#toast{position:fixed;bottom:155px;left:50%;transform:translateX(-50%) translateY(15px);background:#244733;color:white;padding:12px 20px;font-size:12px;border-radius:3px;opacity:0;pointer-events:none;transition:.2s;z-index:20}#toast.visible{opacity:1;transform:translateX(-50%) translateY(0)}
.reading-view{max-width:1160px;margin:auto;padding:60px 40px 40px}.reading-heading{margin-bottom:35px}.reading-heading h1{font:44px var(--serif);font-weight:500;margin:22px 0 16px;letter-spacing:2px}.reading-heading p{font-size:13px;line-height:2;color:#7a846d}.reading-nav{display:flex;gap:8px;flex-wrap:wrap;border-bottom:1px solid #d8dccd;padding-bottom:24px}.reading-nav a{font-size:11px;text-decoration:none;background:#e9ede0;padding:9px 14px;color:#718162}.reading-section{scroll-margin-top:110px;padding:48px 0 30px;border-bottom:1px solid #d8dccd}.reading-section .eyebrow{margin-bottom:18px}.reading-section .dialog-title{font-size:36px}.reading-section .exhibit-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.reading-section .exhibit img{height:200px}.reading-footer{text-align:center;font-size:12px;line-height:2.8;color:#6f7d63;padding-top:50px}.reading-footer small{font-size:10px;color:#99a087}.reading-view .module-detail{position:relative}.noscript{padding:50px;text-align:center}.view-reading .masthead{position:sticky;top:0}.webgl-fallback #canvas-host{background:radial-gradient(ellipse at 70% 45%,#b0bdaa,#e2e4d5 60%)}.webgl-fallback .hint{display:none}
@media(min-width:1600px){.scene-copy{width:400px;top:13%}.scene-description{font-size:14px;max-width:320px}.scene-subtitle{font-size:15px}.primary,.secondary{font-size:13px}.course-numbers{margin-top:36px;gap:35px}.course-numbers dt{font-size:28px}.room-button{padding:17px 18px;font-size:13px}}
@media(max-height:780px) and (min-width:801px){.spatial-view{min-height:455px}.scene-copy{top:8%}.scene-copy h1{font-size:40px;margin:15px 0}.thin-rule{margin-bottom:13px}.scene-subtitle{margin-bottom:9px}.scene-description{font-size:11px;line-height:1.9}.scene-actions{margin-top:18px}.course-numbers{margin-top:20px}.primary{padding:11px 18px}}
@media(max-width:1100px){.masthead{padding:0 24px}.header-actions{gap:18px}.brand-type strong{font-size:20px}.brand-type small{letter-spacing:1px}.room-button{gap:8px;font-size:11px;padding:16px 9px;letter-spacing:0}.room-button b{font-size:16px}.tour-footer{padding-left:24px;padding-right:24px}.room-nav{gap:6px}.scene-copy{left:4.2%;width:300px}.scene-copy h1{font-size:42px}.scene-description{max-width:245px}.mini-map{transform:scale(.8);transform-origin:right bottom}.stage-wash{background:linear-gradient(90deg,#f5f3ebf5 0%,#f5f3ebd9 23%,#f5f3eb77 38%,transparent 58%)}.course-numbers{gap:21px}}
@media(max-width:800px){.masthead{height:76px;padding:0 18px;gap:14px}.seal{width:37px;height:37px;font-size:23px}.brand{gap:10px}.brand-type strong{font-size:17px;letter-spacing:1px}.brand-type small{font-size:8px;letter-spacing:.5px}.brand-type small span{display:none}.header-actions{gap:16px}.text-button span{display:none}.course-link{padding:9px 10px;font-size:10px;gap:8px}.spatial-view{height:auto;min-height:0;display:flex;flex-direction:column;padding-top:44vh;overflow:visible}.stage{height:44vh;min-height:260px;bottom:auto;overflow:hidden}.stage-wash{background:linear-gradient(0deg,#f6f3eb 0%,transparent 28%)}.scene-copy{position:relative;left:auto;top:auto;width:100%;padding:22px 26px 24px;background:var(--paper);display:grid;grid-template-columns:1fr auto;column-gap:10px}.eyebrow{font-size:8px;letter-spacing:1.6px;gap:12px}.scene-copy .eyebrow{grid-column:1/-1}.scene-copy h1{font-size:35px;line-height:1.35;letter-spacing:2px;margin:15px 0 13px;grid-column:1/-1}.scene-copy h1 br{display:none}.thin-rule{display:none}.scene-subtitle{font-size:12px;letter-spacing:2px;grid-column:1/-1;margin-bottom:12px}.scene-description{font-size:12px;max-width:none;grid-column:1/-1;line-height:1.9}.scene-actions{grid-column:1/-1;margin-top:20px}.primary{min-width:135px;padding:12px 17px}.course-numbers{grid-column:1/-1;margin:25px 0 0;gap:35px}.course-numbers dt{font-size:24px}.space-caption{right:14px;top:15px;font-size:9px;letter-spacing:1px;padding:8px 10px}.scene-controls{top:57px;right:14px;gap:4px}.icon-button{width:31px;height:31px}.mini-map{top:calc(44vh - 128px);bottom:auto;right:10px;transform:scale(.66);transform-origin:right top}.space-note{top:calc(44vh - 20px);bottom:auto;left:18px;font-size:8px}.hint{top:calc(44vh - 48px);bottom:auto;left:18px;transform:none;font-size:8px;padding:7px 9px}.tour-footer{height:auto;padding:18px;background:var(--white)}.tour-topline{margin-bottom:13px;font-size:10px;gap:22px}.keyboard-hint{display:none}.room-nav{grid-template-columns:repeat(4,1fr);gap:6px}.room-button{font-size:10px;gap:7px;letter-spacing:0;padding:13px 7px}.room-button b{font-size:15px}.room-button:nth-child(7){letter-spacing:-.3px}.reading-view{padding:38px 22px}.reading-heading h1{font-size:32px}.reading-heading p{font-size:12px}.reading-section{padding:35px 0 20px}.reading-section .dialog-title{font-size:29px}.reading-section .exhibit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-section .exhibit img{height:160px}.dialog-title{font-size:27px}.detail-dialog,.overview-dialog,.help-dialog{padding:23px;width:calc(100vw - 24px);max-height:90dvh}.detail-dialog .dialog-title{font-size:25px}.block-grid{grid-template-columns:1fr;gap:23px}.content-block h3{font-size:17px}.content-block p{font-size:12px}.detail-quote{font-size:23px}.exhibit-grid{gap:12px}.exhibit img{height:150px}.exhibit-label{font-size:11px;padding:10px}.exhibit-label small{font-size:8px}.overview-dialog h2,.help-dialog h2{font-size:24px;line-height:1.5}#overview-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.overview-room{min-height:120px;padding:17px}.overview-room b{font-size:24px;margin-bottom:12px}.overview-room strong{font-size:17px}.module-layout{grid-template-columns:1fr;gap:15px}.module-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px}.module-row{font-size:10px;padding:10px 7px;gap:5px}.module-row>em{font-size:8px}.module-detail{position:static;padding:20px}.module-detail h3{font-size:23px;margin:12px 0}.process-chain{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.process-chain li{font-size:11px}.process-chain li:nth-child(3):after{display:none}.people-grid{grid-template-columns:1fr}.person{padding:16px}.image-dialog{padding:13px;width:calc(100vw - 12px);height:90dvh}.image-top h2{font-size:16px;line-height:1.5}.image-top p{font-size:9px;line-height:1.7}.image-top{gap:10px}.image-scroll{align-items:center}.timeline{gap:15px}.timeline h3{font-size:14px}.timeline p{font-size:10px}.achievement{gap:16px}.achievement h3{font-size:17px}.achievement-year{min-width:52px;font-size:22px}.stage:focus-visible{outline-offset:-4px!important}#toast{bottom:25px;width:max-content;max-width:90vw;text-align:center;font-size:11px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.masthead,.spatial-view,.tour-footer,.reading-nav,dialog,.skip-link,#toast{display:none!important}.reading-view[hidden]{display:block!important}.reading-view{padding:0;max-width:none}.reading-section{break-inside:avoid}.exhibit{break-inside:avoid}.reading-section .exhibit img{height:160px}.module-detail{position:static}body{background:white}.reading-section .exhibit-grid{grid-template-columns:repeat(2,1fr)}}
/* Immersive gallery presentation */
body:not(.view-reading){background:#153a3c}
body:not(.view-reading) .masthead{position:absolute;inset:0 0 auto;height:92px;color:#fff5df;background:linear-gradient(#092b36d9,#0e343a80,transparent);border:0;padding:0 32px;z-index:7}
body:not(.view-reading) .brand-type small{color:#ced8ce}body:not(.view-reading) .seal{background:#234b49a3;color:#edc886}body:not(.view-reading) .course-link{border-color:#d5be8360;background:#23494b66}body:not(.view-reading) .text-button{color:#fff1d5}
.spatial-view{height:100dvh;min-height:650px}.stage{background:#153a3c}.stage-wash{background:linear-gradient(90deg,#0c2c37b0 0%,#0c2c3725 32%,transparent 58%),linear-gradient(0deg,#092d3880,transparent 26%)}
.scene-copy{left:34px;top:29%;width:260px;padding:23px 22px 24px;border:1px solid #d0bd9140;border-radius:3px;background:linear-gradient(135deg,#183c47ed,#16383bd9);backdrop-filter:blur(12px);box-shadow:0 12px 55px #031e3440;color:#f7eace}
.scene-copy .eyebrow{color:#d8be8a;font-size:8px;letter-spacing:1.3px;gap:10px}.scene-copy h1{font-size:37px;color:#fff0cd;line-height:1.5;margin:15px 0 17px;letter-spacing:3px}.scene-copy .thin-rule{background:#c1a46d;margin-bottom:16px}.scene-subtitle{color:#e1cc9f;font-size:11px;letter-spacing:3px;margin-bottom:11px}.scene-description{color:#d0d9cf;font-size:11px;line-height:1.95;max-width:none}.scene-actions{gap:8px;margin-top:20px}.scene-actions .primary{min-width:117px;gap:13px;background:#d8bb7d;color:#173c3b;padding:11px 12px;font-size:11px}.scene-actions .secondary{color:#f5e6c3;font-size:10px;border-color:#b7a781;margin-left:2px;white-space:nowrap}.course-numbers{gap:24px;margin-top:24px}.course-numbers dt{color:#e3c78e;font-size:22px}.course-numbers dd{color:#bbcbbf;font-size:9px;letter-spacing:2px}.course-numbers div{min-width:29px}
.space-caption{top:96px;right:25px;background:#153d47b8;color:#d9dbc6;border-color:#e4d3a627;font-size:9px}.small-dot{background:#d5bf85}.scene-controls{top:152px;right:25px}.icon-button{background:#153d47c9;color:#efddad;border-color:#e4d3a62b;width:38px;height:38px;backdrop-filter:blur(10px)}.mini-map{right:24px;bottom:191px;transform:scale(.73);background:#1b4149c9;border-color:#dbccab38;color:#e5cb94}.map-center{color:#cbb881}.map-dot{background:#385c5d;color:#d2d5be;border-color:#758a784a}.map-dot[aria-current="true"]{background:#d5b77e;border-color:#d5b77e;color:#264647}.mini-map:before{border-color:#c8bf8e55}.hint{bottom:181px;background:#0e3543b5;border:1px solid #d1c39c30;color:#d4dccf;font-size:9px;padding:8px 13px}.space-note{bottom:183px;left:35px;color:#c0cdc7;font-size:8px}
.tour-footer{position:absolute;bottom:0;left:0;right:0;height:163px;padding:15px 28px 19px;background:linear-gradient(#103847cc,#092d3bee);backdrop-filter:blur(16px);border-top:1px solid #b7b99045;color:#efe2c3;z-index:6}.tour-topline{margin-bottom:13px;color:#e6d5ae;font-size:10px}.tour-topline small{color:#bacabf}#auto-tour{color:#e6d4a5}.keyboard-hint{color:#b9c8bf}#rail-toggle{background:transparent;color:#d7d1b6;font-size:10px;padding:2px 0}.room-nav{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:10px}.room-button{height:91px;padding:0;position:relative;overflow:hidden;border:1px solid #afbcaa44;background:#164850;border-radius:3px;color:#f5e7ca;font-size:11px;display:block;letter-spacing:1px}.room-button img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.68);opacity:.88;transition:transform .35s}.room-button:nth-child(7) img{object-position:50% 30%}.room-button>span{position:absolute;inset:auto 0 0;display:flex;align-items:center;gap:9px;padding:19px 9px 9px;background:linear-gradient(transparent,#0a2b36f5);text-shadow:0 1px 8px #000}.room-button b{color:#e0c17e;font-size:15px}.room-button[aria-current="true"]{border:2px solid #e9c778;background:#143e43;box-shadow:0 0 16px #d1b67122}.room-button[aria-current="true"] img{filter:brightness(1);opacity:1}.room-button:hover img{transform:scale(1.06)}.room-button.visited:after{display:none}.tour-footer.collapsed{height:46px;padding-top:14px}.tour-footer.collapsed .room-nav{display:none}.tour-footer.collapsed .tour-topline{margin:0}
.person-photo{width:82px;height:112px;object-fit:cover;object-position:top;border:3px solid #fff;box-shadow:0 3px 12px #163b3420;flex-shrink:0}.person{background:#f5f2e9;padding:17px}.person p{color:#5d725f}.person small{color:#856b3b}.loading{background:#173d45;color:#dbc18d}.loading-orbit{border-color:#586f68;border-top-color:#e7c888}.view-reading .masthead{background:var(--white)}
@media(min-width:1600px){.scene-copy{left:4%;width:292px;top:28%;padding:27px}.scene-copy h1{font-size:44px}.scene-description{font-size:12px}.scene-copy .primary{padding:13px 16px;font-size:12px}.scene-copy .secondary{font-size:11px}.tour-footer{padding-left:4%;padding-right:4%}.room-button{height:93px}}
@media(max-height:780px) and (min-width:801px){.spatial-view{min-height:590px}.scene-copy{top:23%;padding:17px 19px;width:242px}.scene-copy h1{font-size:31px;margin:11px 0;line-height:1.42}.scene-description{font-size:10px}.scene-actions{margin-top:15px}.course-numbers{margin-top:16px}.course-numbers dt{font-size:19px}.tour-footer{height:144px;padding-bottom:14px}.room-button{height:78px}.hint{bottom:158px}.space-note{bottom:163px}.mini-map{bottom:161px}.space-caption{top:83px}}
@media(max-width:800px){body:not(.view-reading) .masthead{height:76px;padding:0 15px}.masthead .header-actions{gap:13px}.brand-type strong{font-size:16px}.brand-type small{font-size:8px}.course-link{font-size:9px;padding:8px;gap:4px}.spatial-view{height:100dvh;min-height:650px;display:block;padding:0;overflow:hidden}.stage{height:100%;min-height:0;inset:0;overflow:hidden}.stage-wash{background:linear-gradient(0deg,#0a2d3acd 0%,transparent 68%)}.scene-copy{position:absolute;top:auto;bottom:178px;left:15px;right:15px;width:auto;padding:17px 18px 15px;display:block;border-color:#cab6813b;backdrop-filter:blur(14px);background:#143947d9}.scene-copy h1{font-size:28px;margin:9px 0;line-height:1.4;letter-spacing:2px}.scene-copy h1 br{display:none}.scene-copy .eyebrow{font-size:7px;letter-spacing:1px}.scene-subtitle{display:none}.scene-description{font-size:10px;line-height:1.8;max-width:none;margin-right:3px}.scene-actions{margin-top:13px;gap:14px}.scene-actions .primary{min-width:120px;padding:10px 13px}.scene-actions .secondary{font-size:11px}.course-numbers{position:absolute;right:17px;bottom:18px;gap:13px;margin:0}.course-numbers div{min-width:20px}.course-numbers dt{font-size:17px}.course-numbers dd{font-size:8px;letter-spacing:0}.scene-copy:has(.course-numbers:not([hidden])) .secondary{display:none}.space-caption{top:82px;right:14px;font-size:8px;padding:7px 10px}.scene-controls{top:122px;right:14px}.icon-button{width:31px;height:31px}.mini-map{display:none}.hint{top:91px;bottom:auto;left:15px;font-size:7px;transform:none;padding:6px 8px;letter-spacing:0}.hint svg{width:12px}.space-note{bottom:160px;top:auto;left:17px;font-size:7px}.tour-footer{height:151px;padding:12px 14px 14px}.tour-topline{margin-bottom:10px;gap:18px;font-size:9px}.tour-topline small{font-size:9px;margin-left:6px}.keyboard-hint{display:none}#rail-toggle{margin-left:auto;font-size:9px}#auto-tour{font-size:9px}.room-nav{display:flex;overflow-x:auto;gap:8px;scrollbar-width:thin;scrollbar-color:#7b8f7b transparent;padding-bottom:6px}.room-button{flex:0 0 107px;height:86px;font-size:10px}.room-button>span{padding:19px 7px 9px;gap:8px}.room-button b{font-size:14px}.tour-footer.collapsed{height:45px}.person-photo{width:78px;height:105px}.view-reading .masthead{height:76px}.view-reading .brand-type strong{font-size:16px}#toast{bottom:165px}}

/* ICP filing link; retain the original course exhibition layout above. */
.icp-footer{position:fixed;bottom:0;left:0;right:0;z-index:8;height:32px;display:flex;align-items:center;justify-content:center;padding:6px 12px;background:#0b303d;border-top:1px solid #c6a26833;color:#d8d8c7;font-size:11px;line-height:19px}.icp-footer a{color:inherit;text-decoration:none}.icp-footer a:hover{text-decoration:underline}.tour-footer{bottom:32px}.hint{bottom:213px}.space-note{bottom:215px}.mini-map{bottom:223px}.view-reading .icp-footer{position:static;background:var(--paper);color:#52654b;border-top-color:var(--line)}
@media(max-height:780px) and (min-width:801px){.hint{bottom:190px}.space-note{bottom:195px}.mini-map{bottom:193px}}
@media(max-width:800px){.scene-copy{bottom:210px}.space-note{bottom:192px}.hint{bottom:auto}.icp-footer{font-size:10px}}

/* Close inspection leaves the model clear and keeps course navigation intact. */
.inspection-entry{position:absolute;top:106px;left:34px;display:flex;align-items:center;gap:10px;padding:13px 16px;border:1px solid #ddbd7f90;border-radius:3px;background:#183f43e8;box-shadow:0 5px 24px #061f3133;color:#f5dfad;font-size:12px;letter-spacing:1px;backdrop-filter:blur(10px)}
.inspection-entry svg{width:18px;height:18px}.inspection-entry small{color:#bfcfc5;font-size:10px;letter-spacing:.5px}.inspection-entry>span:last-child{margin-left:8px;color:#d9b77a;font-size:17px}.inspection-entry:hover{background:#265350}.inspection-entry:focus-visible,.inspection-panel button:focus-visible{outline-color:#f2d28f;outline-offset:3px}
.inspection-panel{position:absolute;z-index:5;left:50%;bottom:53px;transform:translateX(-50%);width:min(740px,calc(100% - 48px));padding:17px 20px 12px;border:1px solid #ccb47b80;border-radius:5px;background:linear-gradient(135deg,#173d43f5,#123338f5);box-shadow:0 14px 60px #021d3655;backdrop-filter:blur(14px);color:#f6e9cc}
.inspection-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}.inspection-heading .eyebrow{color:#dfc48b;font-size:10px;gap:13px;letter-spacing:1.4px}.inspection-heading .eyebrow>span{font-size:9px;color:#b8c9c0;letter-spacing:1px}.inspection-exit{display:flex;align-items:center;gap:9px;min-height:32px;padding:4px 0 4px 10px;background:transparent;color:#e4d5b6;font-size:11px;white-space:nowrap}.inspection-exit span{font-size:16px;color:#dec48c}.inspection-mobile-kicker{display:none}.inspection-tabs{display:flex;gap:7px;overflow-x:auto;padding:3px 3px 7px;margin:-3px;scrollbar-width:thin;scrollbar-color:#b5a273 #244448;overscroll-behavior-x:contain}.inspection-tabs button{flex:1 0 auto;min-height:40px;padding:10px 12px;border:1px solid #b4c1a83b;border-radius:2px;background:#3656545e;color:#d8e1d4;font-size:11px;letter-spacing:.8px;white-space:nowrap}.inspection-tabs button:hover{border-color:#d4bb7f8c}.inspection-tabs button[aria-pressed="true"]{background:#dcc18a;border-color:#e8d3a4;color:#173c3b;font-weight:600}
.inspection-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:15px}.inspection-description h2{font:500 20px/1.4 var(--serif);margin:0 0 5px;letter-spacing:1px;color:#f9ebcb}.inspection-description p{font-size:11px;line-height:1.8;margin:0;color:#cbd8cd}.inspection-zoom{display:flex;gap:5px;flex-shrink:0}.inspection-zoom button{display:flex;align-items:center;gap:7px;min-height:40px;padding:8px 11px;background:#254c4f;border:1px solid #a7b6a74d;border-radius:2px;color:#f2e2bc;font-size:10px}.inspection-zoom button span{font:20px/1 Georgia,serif;color:#ddc28a}.inspection-gesture{font-size:9px;line-height:1.6;letter-spacing:.5px;color:#a8c1b6;margin:10px 0 0}
.view-inspection .spatial-view{height:100dvh;min-height:0}.view-inspection .scene-copy,.view-inspection .tour-footer,.view-inspection .mini-map,.view-inspection .hint,.view-inspection .inspection-entry{display:none}.view-inspection .stage-wash{background:linear-gradient(0deg,#062a3545,transparent 28%)}.view-inspection #toast{bottom:290px}.webgl-fallback .inspection-entry{display:none}
@media(min-width:1600px){.inspection-entry{left:4%}}
@media(max-width:800px){.inspection-entry{top:122px;left:15px;padding:10px 12px;gap:7px;font-size:11px}.inspection-entry small{display:none}.inspection-entry>span:last-child{margin-left:5px;font-size:15px}.inspection-panel{width:calc(100% - 24px);bottom:44px;padding:12px 12px 10px}.inspection-heading{margin-bottom:10px;gap:8px}.inspection-heading .eyebrow{font-size:9px;gap:9px;letter-spacing:1px}.inspection-heading .eyebrow>span{font-size:8px;letter-spacing:0}.inspection-exit{font-size:10px;min-height:32px}.inspection-desktop-kicker{display:none}.inspection-mobile-kicker{display:inline}.inspection-tabs{gap:5px}.inspection-tabs button{flex:0 0 auto;padding:9px 12px;min-height:40px;font-size:10px;letter-spacing:0}.inspection-bottom{margin-top:12px;gap:8px;align-items:flex-start}.inspection-description{min-width:0}.inspection-description h2{font-size:19px;margin-bottom:4px}.inspection-description p{font-size:10px;line-height:1.8}.inspection-zoom{gap:4px;padding-top:3px}.inspection-zoom button{flex-direction:column;gap:3px;padding:5px 8px;min-width:40px;min-height:47px;font-size:9px}.inspection-zoom button span{font-size:20px}.inspection-gesture{font-size:8px;margin-top:8px;letter-spacing:0}.inspection-gesture>span{display:none}.view-inspection #toast{bottom:280px}}
@media(max-height:560px){.view-inspection .scene-controls{top:94px;flex-direction:row}.view-inspection .space-caption{display:none}.inspection-panel{bottom:42px;padding-top:9px;padding-bottom:8px}.inspection-heading{margin-bottom:7px}.inspection-tabs button{min-height:32px;padding-top:6px;padding-bottom:6px}.inspection-bottom{margin-top:9px}.inspection-description h2{font-size:17px}.inspection-gesture{display:none}}

/* Keep the course entry visible beside the existing training entry. */
.header-tools{display:flex;align-items:center;gap:20px}
.masthead .course-link.course-cta{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:12px 20px;gap:14px;border:1px solid #f0d59d;border-radius:4px;background:linear-gradient(135deg,#f0d59d,#d8b776);color:#173c3b;font-size:14px;font-weight:700;letter-spacing:1px;white-space:nowrap;box-shadow:0 4px 18px #061f3140;touch-action:manipulation}
.masthead .course-link.course-cta:hover{background:#f6dfb1;border-color:#f6dfb1}
.masthead .course-link.course-cta:focus-visible{outline:3px solid #fff4d9;outline-offset:3px;box-shadow:0 0 0 6px #173c3b}
.masthead.course-entry-header .training-link{margin:0;white-space:nowrap}
@media(max-width:800px){
  :root{--course-entry-header-height:calc(116px + env(safe-area-inset-top,0px))}
  body .masthead.course-entry-header{height:var(--course-entry-header-height);padding:calc(10px + env(safe-area-inset-top,0px)) max(14px,env(safe-area-inset-right,0px)) 10px max(14px,env(safe-area-inset-left,0px));display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:8px}
  .course-entry-header .brand{align-self:flex-start;max-width:calc(100% - 108px);min-height:44px}
  .course-entry-header .brand-type strong{font-size:15px;white-space:nowrap}
  .course-entry-header .brand-type small{font-size:8px;white-space:nowrap}
  .masthead.course-entry-header .header-actions{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:stretch;width:100%;gap:8px}
  .course-entry-header .header-tools{position:absolute;top:calc(10px + env(safe-area-inset-top,0px));right:max(14px,env(safe-area-inset-right,0px));display:flex;gap:4px;min-height:44px}
  .course-entry-header .header-tools .text-button{min-width:44px;min-height:44px;justify-content:center;padding:8px}
  .masthead.course-entry-header .course-link.course-cta{display:inline-flex;min-width:0;min-height:44px;padding:10px 12px;font-size:13px;gap:8px}
  .masthead.course-entry-header .course-link.training-link{display:inline-flex;justify-content:center;align-items:center;min-width:0;min-height:44px;padding:10px 12px;font-size:12px;gap:8px}
  .course-entry-header .course-return{display:inline-flex;align-items:center;min-height:44px;font-size:10px;padding:8px 10px;gap:0;white-space:nowrap}
  .space-caption{top:calc(var(--course-entry-header-height) + 12px);right:max(14px,env(safe-area-inset-right,0px));max-width:calc(50% - 22px);letter-spacing:1px}
  .inspection-entry{top:calc(var(--course-entry-header-height) + 10px);left:max(15px,env(safe-area-inset-left,0px));max-width:calc(50% - 24px)}
  .scene-controls{top:calc(var(--course-entry-header-height) + 57px);right:max(14px,env(safe-area-inset-right,0px))}
  .hint{top:calc(var(--course-entry-header-height) + 57px);left:max(15px,env(safe-area-inset-left,0px));max-width:calc(100% - 80px);white-space:normal}
  .view-inspection .scene-controls{top:calc(var(--course-entry-header-height) + 57px)}
}
@media(max-width:800px) and (min-width:740px) and (max-height:560px){
  :root{--course-entry-header-height:calc(76px + env(safe-area-inset-top,0px))}
  body .masthead.course-entry-header{flex-direction:row;align-items:center;gap:10px}
  .course-entry-header .brand{align-self:center;max-width:none;flex-shrink:0}
  .course-entry-header .seal{width:32px;height:32px}
  .course-entry-header .brand-type strong{font-size:14px}
  .course-entry-header .brand-type small{display:none}
  .masthead.course-entry-header .header-actions{display:flex;width:auto;gap:8px;margin-left:auto}
  .course-entry-header .header-tools{position:static;gap:2px}
  .course-entry-header .header-tools .text-button{min-width:36px;padding:6px}
  .masthead.course-entry-header .course-link.course-cta,.masthead.course-entry-header .course-link.training-link{padding:10px;font-size:11px;gap:5px}
  .view-inspection .scene-controls{top:calc(var(--course-entry-header-height) + 12px)}
}

/* Course brand uses the supplied transparent logo. */
.course-logo{display:block;width:72px;height:72px;object-fit:contain;flex-shrink:0}
@media(max-width:1100px) and (min-width:801px){.course-logo{width:58px;height:58px}}
@media(max-width:800px){.course-logo{width:44px;height:44px}}
@media(max-width:800px) and (min-width:740px) and (max-height:560px){.course-logo{width:36px;height:36px}}
.course-entry-header .brand-type strong{white-space:nowrap}
@media(max-width:1100px) and (min-width:801px){.masthead.course-entry-header .header-tools .text-button span{display:none}.masthead.course-entry-header .header-actions{gap:16px}.masthead.course-entry-header .header-tools{gap:12px}}

/* Course digital textbook entry. */
.masthead .course-link.textbook-link{align-items:center;justify-content:center;min-height:46px;gap:12px;white-space:nowrap;touch-action:manipulation}
@media(min-width:801px) and (max-width:1100px){
  .masthead.course-entry-header .header-actions{gap:12px}
  .masthead.course-entry-header .course-link.textbook-link,.masthead.course-entry-header .course-link.training-link{padding:12px;gap:8px}
  .masthead.course-entry-header .training-full{display:none}
  .masthead.course-entry-header .training-short{display:inline}
}
@media(max-width:800px){
  .masthead.course-entry-header .header-actions{grid-template-columns:minmax(0,1fr) minmax(0,1.3fr) minmax(0,1fr);gap:6px}
  .masthead.course-entry-header .course-link.course-cta,.masthead.course-entry-header .course-link.textbook-link,.masthead.course-entry-header .course-link.training-link{display:inline-flex;align-items:center;justify-content:center;min-width:0;min-height:44px;padding:10px 6px;font-size:12px;gap:4px}
  .masthead.course-entry-header .course-link span{font-size:inherit}
}
