:root{color-scheme:dark;--ink:#f5f5ee;--muted:#d3d8d2;--panel:rgba(19,31,29,.89);--line:rgba(255,255,255,.18);--accent:#ebe4cf;--dark:#23332e}
*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}body{background:#14201e;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif}button{font:inherit;cursor:pointer;border:0;color:inherit}button:disabled{cursor:wait;opacity:.5}button:focus-visible,#panorama:focus-visible{outline:3px solid #fff5b7;outline-offset:3px}button:focus:not(:focus-visible){outline:none}[hidden]{display:none!important}
#app{position:relative;width:100%;height:100%;height:100dvh;overflow:hidden;background:#14201e}#app:fullscreen,#app:-webkit-full-screen{width:100vw;height:100vh}#panorama{position:absolute;inset:0;width:100%;height:100%;touch-action:none}#app[data-busy=true] #panorama{pointer-events:none}#panorama:focus-visible{outline-offset:-4px}.pnlm-container{background:#14201e!important}.pnlm-about-msg,.pnlm-load-box,.pnlm-error-msg{display:none!important}
.heading{position:absolute;top:0;left:0;right:0;padding:24px 32px 48px;padding-top:max(24px,env(safe-area-inset-top));pointer-events:none;background:linear-gradient(180deg,rgba(10,20,18,.7),rgba(10,20,18,0));text-shadow:0 1px 3px #14201e}.eyebrow{font-size:12px;letter-spacing:.18em;margin:0 0 8px;color:var(--muted)}h1{font-size:24px;font-weight:600;letter-spacing:.04em;margin:0;line-height:1.5}#view-caption{font-size:13px;color:var(--muted);margin:8px 0 0}.view-note{position:absolute;bottom:max(24px,env(safe-area-inset-bottom));left:32px;margin:0;color:#fff;font-size:12px;text-shadow:0 1px 3px #14201e;pointer-events:none}
.site-links{display:flex;gap:20px;margin-top:4px;pointer-events:auto}.site-links a{display:inline-flex;align-items:center;min-height:44px;color:var(--ink);font-size:12px;text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(255,255,255,.45)}.site-links a:hover{color:#fff5b7}.site-links a:focus-visible{outline:3px solid #fff5b7;outline-offset:3px}
.view-tools{position:absolute;right:24px;top:50%;transform:translateY(-50%);display:grid;gap:8px}.view-tools button{width:44px;height:44px;border:1px solid var(--line);border-radius:6px;background:var(--panel);display:grid;place-items:center;font-size:26px;transition:background .15s}.view-tools button:hover{background:#344b41}.view-tools svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.6;fill:none;stroke-linecap:round;stroke-linejoin:round}
.navigation{position:absolute;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);width:360px;max-width:calc(100% - 32px);padding:12px;background:var(--panel);border:1px solid var(--line);border-radius:10px}.scene-switch{display:flex;background:rgba(0,0,0,.2);padding:4px;border-radius:6px}.scene-switch button{flex:1;min-height:44px;border-radius:4px;background:transparent;font-weight:600;font-size:14px}.scene-switch button[aria-pressed=true]{background:var(--accent);color:var(--dark)}.scene-switch button:hover:not([aria-pressed=true]){background:rgba(255,255,255,.09)}.focus-switch{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:12px}.focus-switch button{min-height:58px;padding:8px 4px;background:transparent;border:1px solid var(--line);border-radius:5px;text-align:center}.focus-switch strong{display:block;font-size:14px;font-weight:600}.focus-switch span{display:block;font-size:11px;color:var(--muted);margin-top:5px;white-space:nowrap}.focus-switch button:hover{background:rgba(255,255,255,.08);border-color:var(--accent)}.hint{font-size:11px;line-height:1.5;text-align:center;color:var(--muted);margin:12px 0 0}.mobile-hint{display:none}.hint-divider{padding:0 4px}
.status-panel{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);padding:16px 20px;border-radius:8px;font-size:14px;pointer-events:none}.loading-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 1.2s ease-in-out infinite}.error-panel{position:absolute;left:50%;top:45%;transform:translate(-50%,-50%);width:min(380px,calc(100% - 48px));padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:8px}.error-panel h2{font-size:18px;margin:0 0 12px}.error-panel p{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 20px}.error-panel button{background:var(--accent);color:var(--dark);padding:12px 20px;border-radius:4px;font-weight:600}#toast{position:absolute;top:140px;left:50%;transform:translateX(-50%);max-width:calc(100% - 32px);padding:12px 16px;background:var(--panel);border:1px solid var(--line);border-radius:6px;font-size:13px;text-align:center;pointer-events:none}
@keyframes pulse{50%{opacity:.3}}
@media(max-width:640px){.heading{padding:20px 16px 36px;padding-top:max(20px,env(safe-area-inset-top))}.eyebrow{font-size:10px;margin-bottom:8px}h1{font-size:17px;letter-spacing:0}#view-caption{font-size:12px}.view-tools{right:12px;top:44%;gap:6px}.view-tools button{width:42px;height:42px}.navigation{bottom:max(16px,env(safe-area-inset-bottom));padding:10px;width:340px}.focus-switch{gap:6px;margin-top:10px}.focus-switch button{min-height:54px}.hint{margin-top:10px;font-size:10px}.desktop-hint{display:none}.mobile-hint{display:inline}.view-note{display:none}#toast{top:126px;font-size:12px}.error-panel{top:40%}}
@media(max-width:360px){h1{font-size:15px}.scene-switch button{font-size:13px}.focus-switch span{font-size:10px}.hint-divider{padding:0 1px}}
@media(max-height:540px) and (min-width:641px){.heading{padding:16px 24px 28px}h1{font-size:20px}.eyebrow{display:none}.navigation{bottom:12px;width:420px;padding:8px}.focus-switch{margin-top:8px}.focus-switch button{min-height:48px}.hint{display:none}.view-note{left:24px;bottom:16px}.view-tools{right:16px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}