@import "https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600&display=swap";:root{color:#294b4e;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;font-family:PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0}button{color:inherit;font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent;background:0 0;border:0}button:disabled{cursor:default;opacity:.45}button,a{touch-action:manipulation}button:focus-visible,.scene-panel:focus-visible{outline:2px solid var(--accent);outline-offset:5px}button svg{flex:none}.experience{--bg:#edf2ed;--ink:#294b4e;--muted:#728581;--line:#294b4e21;--accent:#386c67;--surface:#fffff9c7;--surface-solid:#f9faf3;height:100svh;min-height:760px;color:var(--ink);background:var(--bg);transition:color 1s,background-color 1s;position:relative;overflow:hidden}.theme-sunset{--bg:#eee0d5;--ink:#684f42;--muted:#947c6c;--line:#684f4226;--accent:#a17554;--surface:#fff5e8cc;--surface-solid:#f5eadd}.theme-night{--bg:#172c3c;--ink:#e1e8df;--muted:#9dafa9;--line:#dae8e426;--accent:#a9c7c0;--surface:#233843db;--surface-solid:#263d4b}.header{z-index:5;border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;height:108px;display:flex;position:absolute;inset:0 48px auto}.brand{text-align:left;align-items:center;gap:13px;padding:0;display:flex}.brand-symbol{fill:none;width:39px;height:39px;stroke:var(--ink);stroke-width:2.1px;stroke-linecap:round}.brand-symbol circle{fill:var(--ink);stroke:none}.brand>span{letter-spacing:4px;font-family:Noto Serif SC,Songti SC,serif;font-size:23px;font-weight:600}.brand small{letter-spacing:2.4px;color:var(--muted);margin-top:5px;font-family:PingFang SC,sans-serif;font-size:9px;font-weight:400;display:block}.header-center{letter-spacing:1.5px;color:var(--muted);align-items:center;gap:9px;margin-right:50px;font-size:12px;display:flex}.status-dot{background:#89a793;border-radius:50%;width:5px;height:5px}.header-actions{align-items:center;gap:20px;display:flex}.text-button{align-items:center;gap:9px;padding:10px 0;font-size:12px;display:flex}.text-button:hover{color:var(--accent)}.header-divider{background:var(--line);width:1px;height:16px}.icon-button{border-radius:50%;justify-content:center;align-items:center;width:38px;height:38px;transition:background .2s,color .2s;display:inline-flex}.icon-button:hover:not(:disabled){background:var(--line)}.intro{z-index:3;width:280px;position:absolute;top:24%;left:60px}h1{letter-spacing:-.045em;margin:0 0 20px;font-family:Noto Serif SC,Songti SC,STSong,serif;font-size:clamp(38px,3.6vw,55px);font-weight:400;line-height:1.58}h1 span{color:#b49b76}.intro-copy p{color:var(--muted);letter-spacing:.8px;margin:0;font-size:13px;line-height:2.05}.place-link{border-bottom:1px solid var(--line);text-align:left;align-items:center;gap:16px;width:100%;padding:20px 0;display:flex}.place-link:first-child{border-top:1px solid var(--line)}.place-number{color:var(--muted);align-self:flex-start;margin-top:3px;font-family:Georgia,serif;font-size:12px}.place-text{flex-direction:column;gap:7px;display:flex}.place-text strong{letter-spacing:1.5px;font-size:15px;font-weight:500}.place-text small{color:var(--muted);letter-spacing:.5px;font-size:10px}.place-arrow{color:var(--muted);margin-left:auto;transition:transform .25s,color .25s}.place-link:hover:not(:disabled) .place-arrow,.place-link.active .place-arrow{color:var(--accent);transform:translate(3px,-3px)}.place-link.active .place-text strong{color:var(--accent)}.intro-footnote{color:var(--muted);letter-spacing:1px;align-items:center;gap:9px;margin-top:30px;font-size:10px;display:flex}.back-button{color:var(--muted);align-items:center;gap:7px;margin-bottom:17px;padding:0;font-size:11px;display:inline-flex}.place-copy h1{white-space:nowrap;margin-bottom:15px;font-size:43px}.place-copy p{font-size:12px;line-height:2.1}.scene-panel{touch-action:none;outline:none;position:absolute;inset:110px 5px 92px 360px}.scene-canvas{opacity:0;transition:opacity 1.1s;position:absolute;inset:0}.scene-canvas.loaded{opacity:1}.scene-canvas canvas{cursor:grab;touch-action:none;width:100%;height:100%;display:block}.scene-canvas canvas:active{cursor:grabbing}.markers{pointer-events:none;position:absolute;inset:0}.scene-marker{white-space:nowrap;pointer-events:auto;background:var(--surface);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid #ffffff73;border-radius:30px;align-items:center;gap:6px;padding:6px 10px 6px 6px;font-size:10px;transition:background .2s;display:flex;position:absolute;transform:translate(-15px,-35px);box-shadow:0 3px 16px #143e4510}.scene-marker:after{content:"";background:var(--ink);opacity:.35;width:1px;height:16px;position:absolute;top:100%;left:16px}.marker-circle{background:var(--ink);width:19px;height:19px;color:var(--bg);border-radius:50%;place-items:center;display:grid}.scene-marker:hover,.scene-marker.chosen{background:var(--surface-solid)}.marker-name{letter-spacing:.5px}.compass{opacity:.48;pointer-events:none;flex-direction:column;align-items:center;gap:5px;display:flex;position:absolute;bottom:33px;right:49px}.compass span{font-size:9px}.compass i{background:var(--muted);width:1px;height:13px;margin-top:4px}.daylight{z-index:4;align-items:center;gap:16px;display:flex;position:absolute;top:143px;right:60px}.daylight-label{color:var(--muted);letter-spacing:1px;font-size:11px}.time-options{border:1px solid var(--line);background:var(--surface);border-radius:40px;gap:2px;padding:5px;display:flex}.time-options button{color:var(--muted);border-radius:30px;align-items:center;gap:7px;padding:9px 13px;font-size:11px;transition:background .2s,color .2s;display:flex}.time-options button.selected{color:var(--bg);background:var(--ink)}.time-options button:hover:not(:disabled):not(.selected){background:var(--line)}.scene-tools{z-index:4;border:1px solid var(--line);background:var(--surface);border-radius:30px;flex-direction:column;align-items:center;padding:5px;display:flex;position:absolute;top:45%;right:55px}.scene-tools>span{background:var(--line);width:18px;height:1px;margin:3px 0}.scene-bottom{z-index:4;justify-content:space-between;align-items:center;display:flex;position:absolute;bottom:90px;left:395px;right:180px}.gesture-hint{color:var(--muted);letter-spacing:.5px;align-items:center;gap:9px;font-size:10px;display:flex}.hint-dot{margin:0 10px}.mobile-hint{display:none}.playback{align-items:center;gap:14px;display:flex}.playback button{color:var(--muted);align-items:center;gap:7px;padding:10px 0;font-size:10px;display:flex}.playback button.enabled{color:var(--ink)}.playback>span{background:var(--line);width:1px;height:12px}.footer{z-index:5;border-top:1px solid var(--line);height:60px;color:var(--muted);letter-spacing:1px;justify-content:space-between;align-items:center;font-size:10px;display:flex;position:absolute;bottom:0;left:48px;right:48px}.footer>div{align-items:center;gap:17px;display:flex}.help-button{padding:9px 0 9px 9px;display:flex}.scene-loading{letter-spacing:2px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;gap:20px;font-size:12px;display:flex;position:absolute;inset:0}.loading-orbit{border:1px solid var(--line);border-top-color:var(--accent);border-radius:50%;width:55px;height:55px;animation:1.2s linear infinite orbit}.scene-error{place-items:center;display:grid;position:absolute;inset:0}.scene-error img{object-fit:cover;opacity:.55;width:100%;height:100%;position:absolute}.scene-error>div{z-index:1;background:var(--surface-solid);border-radius:15px;max-width:370px;margin:20px;padding:26px}.scene-error strong{font-family:Noto Serif SC,serif;font-size:20px;font-weight:400}.scene-error p{color:var(--muted);font-size:12px;line-height:1.9}.about-dialog{--ink:#294b4e;--muted:#728581;--accent:#386c67;--line:#294b4e21;color:var(--ink);background:#f4f6ef;border:1px solid #fff;border-radius:18px;width:490px;max-width:calc(100% - 32px);max-height:calc(100svh - 48px);padding:44px;box-shadow:0 25px 150px #132a4130}.about-dialog::backdrop{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#122e4059}.dialog-close{position:absolute;top:15px;right:15px}.dialog-wave{color:#668d82;margin-bottom:13px}.about-dialog h2{margin:5px 0 19px;font-family:Noto Serif SC,Songti SC,serif;font-size:26px;font-weight:400}.about-dialog p{color:var(--muted);font-size:12px;line-height:2}.help-grid{border-block:1px solid var(--line);grid-template-columns:74px 1fr;gap:12px 20px;margin:23px 0;padding:21px 0;font-size:11px;line-height:1.8;display:grid}.help-grid>span:nth-child(2n){color:var(--muted)}.preferences{flex-direction:column;gap:17px;margin:15px 0 28px;display:flex}.preferences button{justify-content:space-between;align-items:center;padding:0;font-size:12px;display:flex}.toggle{background:#c2cdc6;border-radius:20px;width:31px;height:18px;padding:3px;display:block}.toggle:after{content:"";background:#fff;border-radius:50%;width:12px;height:12px;transition:transform .2s;display:block}.toggle.on{background:var(--accent)}.toggle.on:after{transform:translate(13px)}.solid-button{color:#f7f4e8;background:#294b4e;border-radius:7px;justify-content:center;align-items:center;gap:16px;width:100%;padding:13px;font-size:12px;display:flex}.copy-enter-active,.copy-leave-active{transition:opacity .22s,transform .22s}.copy-enter-from{opacity:0;transform:translateY(8px)}.copy-leave-to{opacity:0;transform:translateY(-8px)}@keyframes orbit{to{transform:rotate(360deg)}}.motion-reduced *,.motion-reduced :after{transition-duration:.001ms!important;animation-duration:.001ms!important}@media (width>=1700px){.intro{width:315px;top:24%;left:5%}.scene-panel{left:360px;right:40px}.header,.footer{left:4%;right:4%}.daylight,.scene-tools{right:5%}.scene-bottom{left:470px;right:215px}}@media (height<=820px) and (width>=951px){.experience{min-height:650px}.intro{top:23%}h1{margin-bottom:15px;font-size:42px;line-height:1.5}.intro-copy{min-height:166px}.places{margin-top:23px}.place-link{padding:15px 0}.intro-footnote{margin-top:23px}}@media (width<=1150px) and (width>=951px){.intro{width:240px;left:36px}h1{font-size:40px}.scene-panel{left:270px;right:0}.header,.footer{left:32px;right:32px}.scene-bottom{left:310px;right:92px}.daylight{right:36px}.daylight-label{display:none}.scene-tools{right:30px}.place-copy h1{font-size:35px}}@media (width<=950px){.experience{flex-direction:column;height:auto;min-height:100svh;display:flex;overflow:hidden}.header{flex:none;height:84px;margin:0 24px;position:relative;inset:auto}.header-center{display:none}.brand>span{letter-spacing:3px;font-size:19px}.brand-symbol{width:32px;height:32px}.brand small{font-size:8px}.header-actions{gap:12px}.text-button{font-size:10px}.header-divider{display:none}.intro{width:auto;padding:33px 26px 0;display:contents;position:relative;inset:auto}.intro-copy{order:1;min-height:0;margin:30px 28px 0}h1{margin-bottom:9px;font-size:34px;line-height:1.6}h1 br{display:block}.intro-copy p{font-size:11px;line-height:1.9}.intro-copy p br{display:none}.place-copy h1{margin-bottom:6px;font-size:31px}.place-copy p{max-width:540px}.back-button{margin-bottom:5px}.places{order:5;gap:18px;margin:5px 26px 28px;display:flex}.place-link,.place-link:first-child{border-top:1px solid var(--line);border-bottom:0;flex:1;gap:8px;padding:17px 0 0}.place-text strong{letter-spacing:.5px;font-size:13px}.place-number{font-size:10px}.place-text small,.place-arrow,.intro-footnote{display:none}.scene-panel{order:3;width:100%;height:min(58vw,470px);min-height:300px;margin-top:0;position:relative;inset:auto}.compass{bottom:28px;right:26px}.compass svg{width:26px;height:26px}.compass i{display:none}.daylight{order:2;justify-content:flex-end;gap:12px;padding:17px 26px 0;position:relative;inset:auto}.daylight-label{font-size:10px}.time-options{padding:4px}.time-options button{padding:7px 11px;font-size:10px}.time-options svg{width:14px;height:14px}.scene-tools{padding:3px;top:325px;right:20px}.scene-tools .icon-button{width:31px;height:31px}.scene-bottom{order:4;padding:0 28px 20px;position:relative;inset:auto}.gesture-hint{gap:6px;font-size:9px}.desktop-hint{display:none}.mobile-hint{display:inline}.playback{gap:10px}.playback button{font-size:9px}.footer{letter-spacing:.3px;order:6;height:55px;min-height:55px;margin:auto 24px 0;font-size:9px;position:relative;inset:auto}.scene-marker{gap:4px;padding:4px 7px 4px 4px;font-size:8px;transform:translate(-12px,-28px)}.marker-circle{width:16px;height:16px}.scene-marker:after{height:10px;left:13px}}@media (width<=480px){.header{height:78px;margin:0 20px}.header-actions .text-button{font-size:10px}.header-actions .icon-button{display:none}.intro-copy{margin:26px 24px 0}h1{font-size:29px}.daylight{justify-content:space-between;padding:18px 22px 0}.scene-panel{height:78vw;min-height:290px}.scene-tools{top:302px;right:14px}.scene-bottom{padding:0 23px 15px}.playback{gap:8px}.playback>span,.playback button:last-child{display:none}.places{gap:12px;margin-inline:24px}.place-link{gap:6px}.place-text strong{font-size:12px}.footer>span{max-width:180px;font-size:8px}.concept-note{font-size:8px}.about-dialog{padding:30px 25px}}@media (prefers-reduced-motion:reduce){*,:after{transition-duration:.001ms!important;animation-duration:.001ms!important}}.experience{--bg:#eeece3;--ink:#344e4d;--muted:#738079;--line:#3c483d24;--surface:#faf9f0e0;--surface-solid:#f6f4e9;min-height:700px}.theme-sunset{--bg:#eee0d5;--ink:#684f42;--muted:#947c6c;--surface:#fff5e8e0;--surface-solid:#f5eadd}.theme-night{--bg:#172c3c;--ink:#e1e8df;--muted:#9dafa9;--line:#dae8e426;--surface:#233843e6;--surface-solid:#263d4b}.header{height:79px;inset:0 28px auto}.brand-symbol{width:32px;height:32px}.brand>span{letter-spacing:3px;font-size:21px}.brand small{letter-spacing:2px;font-size:10px}.header-center{margin-right:0;font-size:12px}.text-button{font-size:12px}.intro{scrollbar-width:thin;border-right:1px solid var(--line);background:var(--surface);width:248px;padding:34px 23px 20px 28px;top:79px;bottom:43px;left:0;overflow-y:auto}.intro-copy{min-height:154px}h1{letter-spacing:.01em;margin-bottom:14px;font-size:27px;line-height:1.65}.intro-copy p{letter-spacing:.4px;font-size:11px;line-height:1.9}.place-copy h1{font-size:26px}.place-copy p{font-size:11px}.places{margin-top:22px}.place-link{gap:12px;padding:17px 0}.place-number{font-size:11px}.place-text strong{letter-spacing:1px;font-size:14px}.place-text small{font-size:10px}.place-link.active{background:var(--line);border-radius:5px;padding-inline:8px}.place-arrow{width:15px}.intro-footnote{margin-top:26px;font-size:10px}.scene-panel{z-index:0;inset:79px 0 43px 248px}.daylight{gap:12px;top:99px;right:27px}.time-options{border-radius:7px;padding:4px}.time-options button{border-radius:4px;padding:9px 12px;font-size:11px}.daylight-label{font-size:10px}.scene-tools{border-radius:7px;top:44%;right:28px}.scene-tools .icon-button{border-radius:4px}.scene-bottom{bottom:61px;left:276px;right:95px}.gesture-hint{background:var(--surface);border:1px solid var(--line);border-radius:30px;padding:10px 14px;font-size:10px}.playback{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:0 13px}.footer{height:43px;font-size:10px;left:28px;right:28px}.compass{bottom:20px;right:24px}.scene-marker{background:var(--surface);font-size:10px}@media (width>=1700px){.intro{width:270px;padding-inline:30px}.scene-panel{left:270px;right:0}.scene-bottom{left:300px}.header,.footer{left:30px;right:30px}}@media (height<=850px) and (width>=951px){.intro{padding-top:24px}.intro-copy{min-height:135px}.place-link{padding-block:12px}.places{margin-top:12px}.intro-footnote{margin-top:20px}}@media (width<=1150px) and (width>=951px){.intro{width:218px;padding-inline:20px;left:0}.scene-panel{left:218px}.scene-bottom{left:236px;right:75px}h1{font-size:25px}.playback button:last-child,.playback>span{display:none}.daylight{right:26px}}@media (width<=950px){.experience{height:100svh;min-height:650px;display:block}.header{height:72px;margin:0;position:absolute;inset:0 20px auto}.brand>span{font-size:18px}.brand small{font-size:9px}.intro{display:contents}.intro-copy{z-index:2;pointer-events:none;max-width:240px;min-height:0;margin:0;position:absolute;top:92px;left:22px}.intro-copy .back-button{pointer-events:auto}.intro-copy.place-copy{background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:10px 12px 4px}h1,.place-copy h1{margin-bottom:7px;font-size:23px;line-height:1.6}h1 br{display:none}.intro-copy p{max-width:215px;font-size:11px}.intro-copy p br,.place-copy p{display:none}.scene-panel{width:auto;height:auto;min-height:0;margin:0;position:absolute;inset:72px 0 134px}.places{z-index:4;grid-template-columns:repeat(4,1fr);gap:4px;height:78px;margin:0;display:grid;position:absolute;bottom:50px;left:16px;right:16px}.place-link,.place-link:first-child{border:1px solid var(--line);background:var(--surface);border-radius:5px;gap:7px;padding:9px}.place-link.active{border-color:var(--accent)}.place-text strong{letter-spacing:.2px;font-size:11px}.place-number,.place-text small,.place-arrow,.intro-footnote{display:none}.daylight{padding:0;position:absolute;top:91px;right:20px}.daylight-label{display:none}.time-options button{padding:8px}.time-options button span{display:none}.scene-tools{top:210px;right:20px}.scene-bottom{gap:10px;padding:0;position:absolute;bottom:148px;left:21px;right:21px}.gesture-hint{gap:5px;padding:8px 10px;font-size:9px}.playback{padding-inline:9px}.playback>span,.playback button:last-child{display:none}.footer{height:38px;min-height:38px;margin:0;position:absolute;inset:auto 20px 0}.footer>span,.concept-note{font-size:8px}.compass{display:none}.scene-marker{padding:4px 6px 4px 4px}.marker-name{display:none}}.scene-marker{gap:0;padding:5px}.marker-circle{width:23px;height:23px;font-family:Georgia,serif;font-size:10px}.marker-name{opacity:0;max-width:0;transition:max-width .2s,opacity .2s,padding .2s;overflow:hidden}.scene-marker:hover .marker-name,.scene-marker.chosen .marker-name{opacity:1;max-width:100px;padding:0 6px}.scene-tools .tool-active{background:var(--ink);color:var(--bg)}.scene-canvas.panning canvas,.scene-canvas.panning canvas:active{cursor:move}@media (width>=951px){.intro{flex-direction:column;display:flex;overflow:hidden}.intro-copy{flex-shrink:0}.places{scrollbar-width:thin;flex:0 auto;min-height:0;overflow-y:auto}.place-link{padding-block:10px}.intro-footnote{flex-shrink:0;margin-top:18px}}.coast-map-return{border:1px solid var(--line);background:var(--surface);border-radius:5px;align-items:center;gap:7px;padding:9px 12px;font-size:11px;display:flex}.coast-map-return:hover{background:var(--line)}.coast-breadcrumb-divider{opacity:.4;margin:0 4px}.tour-groups{flex-shrink:0;grid-template-columns:repeat(3,1fr);gap:5px;margin-top:18px;display:grid}.tour-groups button{border:1px solid var(--line);color:var(--muted);white-space:nowrap;border-radius:4px;padding:8px 3px;font-size:11px}.tour-groups button.active{background:var(--ink);color:var(--bg);border-color:var(--ink)}@media (width<=950px){.tour-groups{z-index:4;scrollbar-width:none;gap:5px;margin:0;display:flex;position:absolute;bottom:100px;left:16px;right:16px;overflow-x:auto}.tour-groups button{background:var(--surface);flex:1 0 auto;padding:8px 10px}.places{grid-template-rows:1fr;height:42px;bottom:50px}.scene-panel{bottom:143px}.scene-bottom{bottom:155px}}.drill-scene-enter-active,.drill-scene-leave-active{transition:opacity .3s}.drill-scene-leave-active{z-index:25;pointer-events:none;position:fixed;inset:0}.drill-scene-enter-from,.drill-scene-leave-to{opacity:0}@media (width<=950px){.coast-map-return{gap:5px;padding:8px;font-size:10px}.experience .header-actions{gap:8px}.experience .header-actions>.text-button{display:none}}