:root{font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:#172c37;background:#eef2f3;font-size:16px}*{box-sizing:border-box}body{margin:0}button,input,select,textarea{font:inherit}button{cursor:pointer;border:1px solid #dce3e7;border-radius:8px;background:white;color:inherit;padding:9px 13px}button:hover{background:#e9f4f6}button:focus-visible,a:focus-visible{outline:3px solid #12a9bb;outline-offset:3px}.primary{background:#123d4b;color:#fff;border-color:#123d4b}.primary:hover{background:#236375}header{height:88px;padding:0 30px;display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid #e2e8eb}.brand{display:flex;align-items:center;gap:12px}.brand strong{font-size:21px;letter-spacing:2px}.brand small{display:block;font-size:12px;letter-spacing:3px;margin-top:6px;color:#617985}.seal{border:2px solid #1e5265;border-radius:50%;width:44px;height:44px;display:grid;place-items:center;font-size:24px}.campus{font-size:14px;color:#617985}main{height:calc(100dvh - 88px);display:grid;grid-template-columns:365px 1fr}aside{padding:28px 24px;background:#fff;overflow:auto;z-index:2}.eyebrow{font-size:12px;letter-spacing:2px;color:#68848f}h1{font-size:30px;margin:12px 0 24px;letter-spacing:-1px}.datebar{display:flex;gap:5px}.datebar input{width:147px;border:0;min-width:0;background:#f2f5f7;border-radius:7px;padding:7px}.datebar button{padding:6px 10px}.days{display:flex;justify-content:space-between;gap:4px;margin:15px 0 24px}.days button{border:0;font-size:14px;padding:8px 9px;background:#f5f7f8}.days b{display:block;font-size:18px;margin-top:8px}.days .active{background:#184b5b;color:white}.tabs{display:flex;border-bottom:1px solid #e3e8ea;gap:20px}.tabs button{border:0;border-radius:0;padding:12px 0;color:#6b7c86}.tabs .active{border-bottom:3px solid #157b91;color:#164e5f;font-weight:bold}.summary{display:flex;justify-content:space-between;margin:20px 0;font-size:14px}.summary span{color:#8a6635}.event{display:block;text-align:left;width:100%;padding:17px;margin-bottom:12px;border:1px solid #e3e8eb;border-radius:12px;position:relative}.event.selected{border-color:#1b92a8;background:#eff9fa}.event small{color:#16798e;font-size:14px}.event h3{font-size:17px;line-height:1.6;margin:9px 0}.event p{font-size:14px;color:#627782;margin:0}.note{font-size:13px;line-height:1.8;color:#75848c;margin-top:20px}.empty{padding:40px 12px;text-align:center;color:#637b86;line-height:1.9;background:#f5f8f9;border-radius:12px}.empty b{display:block;color:#294a59;font-size:18px}footer{margin-top:35px;font-size:12px;color:#8a979f;line-height:1.8}footer a{color:#4d7484}.map{position:relative;overflow:hidden;background:#d5d6dd;touch-action:none;cursor:grab}.map:active{cursor:grabbing}#scene{position:absolute;left:0;top:0;transform-origin:0 0;width:2048px;height:970px;will-change:transform}#scene img{width:100%;height:100%;user-select:none}.maptop{position:absolute;top:24px;left:24px;right:24px;z-index:3;display:flex;justify-content:space-between;gap:10px;pointer-events:none}.maptop>*{pointer-events:auto}.badge{background:#fff;padding:12px 16px;border-radius:9px;font-size:14px;box-shadow:0 4px 20px #16334815}.maptop select{background:#fff;border:0;border-radius:9px;max-width:230px;padding:10px;font-size:14px}.tools{position:absolute;right:24px;bottom:80px;display:grid;gap:4px;z-index:3;box-shadow:0 5px 20px #16334820}.tools button{border:0}.maphelp{position:absolute;bottom:24px;right:24px;font-size:12px;background:#ffffffd9;padding:9px 12px;border-radius:6px}.mapcaption{position:absolute;bottom:26px;left:24px;font-size:18px;font-weight:bold;color:#264853;pointer-events:none}.mapcaption span{display:block;font-size:10px;letter-spacing:1px;margin-top:5px}.pin{position:absolute;transform:translate(-50%,-100%) scale(var(--inverse));transform-origin:50% 100%;border-radius:8px;background:#fff;white-space:nowrap;padding:8px 10px;font-size:13px;box-shadow:0 3px 12px #132f4140;border:1px solid #fff}.pin:after{content:'';position:absolute;bottom:-8px;left:50%;border:4px solid transparent;border-top-color:inherit}.pin.hot{background:#136277;color:white;border-color:#136277;font-size:14px}.pin.selected{background:#d8792b;border-color:#d8792b;color:white;z-index:4}.pin em{font-style:normal;background:#ffffff30;border-radius:4px;margin-left:6px;padding:1px 5px}#detail{position:absolute;left:24px;bottom:80px;width:310px;max-width:calc(100% - 100px);background:#fff;padding:20px;border-radius:12px;box-shadow:0 12px 40px #243e4c30;z-index:5;cursor:auto}#detail h3{margin:0 25px 10px 0;font-size:18px}#detail p{font-size:14px;line-height:1.8;color:#5b7580}#detail .x{position:absolute;right:10px;top:8px;border:0}#detail a{color:#11788e}dialog{border:0;border-radius:16px;width:460px;max-width:94vw;padding:26px;color:#173744;box-shadow:0 20px 80px #1237}dialog::backdrop{background:#112f4577;backdrop-filter:blur(4px)}.modalhead{display:flex;align-items:center;justify-content:space-between}h2{font-size:22px}.modalhead button{border:0;font-size:24px}form label{display:grid;gap:8px;font-size:14px;margin:16px 0}form input,form select,textarea{width:100%;padding:10px;border:1px solid #d8e1e5;border-radius:7px;background:white;min-width:0}textarea{min-height:70px;resize:vertical}.row{display:grid;grid-template-columns:1fr 1fr;gap:15px}#error{color:#b43b3b;font-size:14px}@media(max-width:900px){main{grid-template-columns:310px 1fr}aside{padding:24px 17px}.campus{display:none}.mapcaption{display:none}}@media(max-width:650px){header{height:72px;padding:0 15px}.brand strong{font-size:17px}.brand small{font-size:10px;letter-spacing:2px}.seal{width:36px;height:36px;font-size:20px}header button{font-size:14px;padding:8px}main{height:auto;display:flex;flex-direction:column}.map{order:-1;height:49dvh;min-height:340px}aside{overflow:visible;padding:24px}h1{margin-bottom:18px}.maptop{top:15px;left:12px;right:12px}.badge{padding:10px}.maptop select{max-width:180px}.maphelp{left:12px;right:auto;bottom:12px}.tools{right:12px;bottom:55px}#detail{left:12px;bottom:50px;padding:15px}.days{justify-content:flex-start;gap:12px}.datebar input{flex:1}.event{padding:15px}}
/* Real-time 3D scene; the original image remains a separate comparison view. */
[hidden]{display:none!important}.mode3d{background:radial-gradient(ellipse at 55% 40%,#f2f8fa 0%,#dce8ed 62%,#cddfe7 100%);cursor:default}#canvas3d{position:absolute;inset:0;overflow:hidden}#canvas3d canvas{display:block;width:100%;height:100%;outline:none;touch-action:none;cursor:grab}#canvas3d canvas:active{cursor:grabbing}#canvas3d canvas:focus-visible{outline:3px solid #0d7f9b;outline-offset:-3px}.labels3d{position:absolute;inset:0;pointer-events:none;overflow:hidden}.pin3d{position:absolute;left:0;top:0;pointer-events:auto;background:#fffffff2;border:1px solid #fff;color:#1e4c5b;border-radius:7px;box-shadow:0 3px 10px #183a482a;padding:7px 10px;white-space:nowrap;font-size:13px;line-height:1.4;transform-origin:50% 100%}.pin3d:after{content:'';width:1px;height:11px;position:absolute;left:50%;bottom:-12px;background:#527888}.pin3d.hot{background:#176b80;color:white;border-color:#176b80;padding:9px 11px;font-size:14px}.pin3d.selected{background:#ca7333;color:white;border-color:#ca7333}.pin3d em{font-style:normal;background:#ffffff2e;display:inline-block;border-radius:4px;margin-left:8px;padding:0 5px}.pin3d:hover{filter:brightness(1.1)}.viewtabs{display:flex;gap:2px;padding:4px;background:#ffffffed;box-shadow:0 5px 24px #213e5010;border-radius:10px;pointer-events:auto}.viewtabs button{border:0;font-size:14px;background:transparent;padding:8px 12px}.viewtabs button.active{background:#184d5d;color:white;border-radius:7px}.maptop{align-items:flex-start}.maptop select{min-height:45px;box-shadow:0 5px 24px #213e5010}.modelnote{position:absolute;top:84px;left:24px;background:#ffffffc9;padding:7px 11px;border-radius:6px;color:#5f7a86;font-size:12px;pointer-events:none;z-index:3}.mode3d .tools{bottom:125px;border-radius:10px;overflow:hidden;gap:1px}.tools button:disabled{cursor:default;opacity:.5}.tools button[aria-pressed=false]{color:#92a1a6}.orbitbar{position:absolute;bottom:62px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:4px;background:#ffffffed;border-radius:12px;padding:6px;box-shadow:0 8px 30px #193c501a;white-space:nowrap;z-index:4}.orbitbar button{border:0;background:transparent;font-size:14px;padding:9px 12px}.orbitbar button:hover{background:#e5f2f5}.orbitbar button[aria-pressed=true]{color:#fff;background:#176b80}.orbitbar span{font-size:12px;color:#527583;min-width:64px;text-align:center}.mode3d .maphelp{left:50%;right:auto;transform:translateX(-50%);bottom:21px;white-space:nowrap;color:#4f7383;background:transparent;padding:0}.mobilehelp{display:none}.mode3d #detail{bottom:125px;max-height:calc(100% - 220px);overflow:auto}.mode3d .mapcaption{bottom:26px;color:#7597a7;font-size:23px;letter-spacing:3px;opacity:.85}.mode3d .mapcaption span{font-size:10px;letter-spacing:1.7px}#engine-status{position:absolute;left:50%;top:45%;transform:translate(-50%,-50%);background:white;padding:18px 25px;border-radius:10px;box-shadow:0 10px 30px #1b4a5d20;z-index:6;max-width:90%;font-size:14px}#engine-status.engine-error{top:95px;left:24px;transform:none;padding:12px 16px;color:#8e4e28;max-width:450px;line-height:1.7}.event p{line-height:1.6}.tabs button[aria-pressed]{border-radius:0}@media(max-width:1050px){.mode3d .mapcaption{display:none}.orbitbar button{padding:8px}.maptop{left:16px;right:16px}.maptop select{max-width:170px}.viewtabs button{padding:8px}.modelnote{left:16px;font-size:12px}}@media(max-width:650px){.map{height:58dvh;min-height:400px}.maptop{top:12px;left:12px;right:12px;gap:6px}.maptop select{max-width:155px;font-size:13px;min-height:42px}.viewtabs button{font-size:13px;padding:8px}.modelnote{left:12px;top:66px;font-size:12px;padding:5px 8px;max-width:calc(100% - 24px)}.mode3d .tools{bottom:104px;right:10px}.tools button{padding:8px 10px;font-size:13px}.orbitbar{bottom:42px;gap:0;padding:4px;max-width:96%}.orbitbar button{font-size:13px;padding:8px 10px}.orbitbar span{font-size:12px;min-width:58px}.mode3d .maphelp{bottom:14px;font-size:12px}.desktophelp{display:none}.mobilehelp{display:inline}.mode3d #detail{left:12px;bottom:100px;max-height:calc(100% - 190px);font-size:14px;width:265px}#engine-status.engine-error{top:68px;left:12px;right:12px;font-size:12px;padding:8px 10px}.pin3d{font-size:12px;padding:5px 7px}.pin3d.hot{font-size:13px;padding:7px 9px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important}}
#scene{width:1888px;height:1343px}#north-compass{position:absolute;right:28px;top:91px;z-index:3;display:grid;justify-items:center;gap:3px;color:#2f6377;background:#ffffffd9;padding:9px 12px;border-radius:9px;pointer-events:none}#north-arrow{display:block;font-size:27px;line-height:1.2}#north-compass b{font-size:12px;font-weight:500}@media(max-width:650px){#north-compass{top:103px;right:12px;padding:6px 9px}#north-arrow{font-size:22px}}