:root{--bg-0: #050b18;--bg-1: #0c1a35;--card: rgba(12, 27, 52, .62);--line: rgba(124, 174, 255, .28);--text: #eaf3ff;--sub: #aac2e7;--accent: #66cbff;--accent-2: #95f0ff;--shadow: 0 14px 36px rgba(4, 15, 35, .45);--transition: all .35s cubic-bezier(.4, 0, .2, 1);--fluid-transition: .24s cubic-bezier(.22, 1, .36, 1)}*{box-sizing:border-box}html,body{margin:0;height:100%;background:radial-gradient(circle at 15% 20%,#143364 0%,var(--bg-1) 44%,var(--bg-0) 100%);color:var(--text);font-family:Microsoft YaHei,PingFang SC,sans-serif}.viewer-wrap{position:relative;width:100%;height:100%;overflow:hidden}#viewer-canvas{display:block;width:100%;height:100%}.hotspot-layer{position:absolute;inset:0;pointer-events:none}.floating-card{background:var(--card);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);transition:var(--transition)}.floating-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px #08152e8a}.hud-left{position:absolute;left:18px;top:18px;z-index:20;display:flex;align-items:center;flex-wrap:wrap;gap:10px}.hud-title-card{padding:8px 12px;border-radius:999px}.hud-title{display:flex;align-items:center;gap:8px}.hud-title svg{width:20px;height:20px;stroke:var(--accent-2);fill:none;stroke-width:1.8;stroke-linecap:round}.hud-title h1{margin:0;font-size:17px;line-height:1.2;white-space:nowrap}.hud-title p{margin:4px 0 0;color:var(--sub);font-size:12px}.model-switch{margin-left:0;display:flex;align-items:center;gap:6px;position:relative;border:1px solid rgba(110,196,255,.56);border-radius:999px;background:linear-gradient(130deg,#10305fd6,#091a37eb);box-shadow:0 10px 24px #08183673;padding:4px 8px;transition:transform .24s cubic-bezier(.22,1,.36,1),box-shadow .24s cubic-bezier(.22,1,.36,1),border-color .2s linear;animation:modelSwitchReveal .28s cubic-bezier(.22,1,.36,1)}.model-switch:hover{transform:translateY(-1px);border-color:#95f0ffa6;box-shadow:0 12px 26px #08183680}.model-switch:focus-within{transform:translateY(-1px);border-color:var(--accent);box-shadow:0 0 0 3px #66cbff33,0 12px 26px #08183680}.model-switch label{font-size:11px;color:var(--sub)}.model-select-trigger{appearance:none;border:1px solid rgba(124,174,255,.35);border-radius:999px;background:linear-gradient(130deg,#0a1f42f2,#06142cf2);color:var(--text);font-size:12px;min-width:118px;height:30px;padding:4px 28px 4px 10px;cursor:pointer;transition:border-color .2s linear,box-shadow .2s linear,transform .2s linear;text-align:left;position:relative;display:inline-flex;align-items:center}.model-select-trigger span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:120px}.model-select-trigger svg{position:absolute;right:8px;width:14px;height:14px;stroke:var(--accent-2);fill:none;stroke-width:2;transition:transform .2s cubic-bezier(.22,1,.36,1)}.model-switch.open .model-select-trigger svg{transform:rotate(180deg)}.model-select-trigger:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #66cbff33;transform:translateY(-1px)}.model-select-trigger:hover{border-color:#95f0ffa6}.model-select-menu{list-style:none;margin:0;padding:6px;position:absolute;top:calc(100% + 6px);right:0;min-width:156px;border-radius:12px;border:1px solid rgba(126,182,255,.5);background:linear-gradient(145deg,#0c2145f5,#061229f7);box-shadow:0 16px 32px #040e208f;opacity:0;transform:translateY(-8px) scale(.96);transform-origin:top right;pointer-events:none;transition:opacity .18s linear,transform .22s cubic-bezier(.22,1,.36,1);z-index:36}.model-switch.open .model-select-menu{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}.model-select-option{width:100%;border:0;border-radius:9px;background:transparent;color:var(--text);padding:8px 10px;text-align:left;cursor:pointer;font-size:12px;transition:background-color .18s linear,color .18s linear}.model-select-option:hover{background:#5797f33d}.model-select-option.active{background:linear-gradient(120deg,#2161ba7a,#0f347285);color:#eff7ff}.model-select-native{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}@keyframes modelSwitchReveal{0%{opacity:0;transform:translateY(-4px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.hud-title code{color:var(--accent)}.status{margin:10px 0 4px;color:var(--accent);font-size:13px}.tips{margin:0;color:var(--sub);font-size:12px;line-height:1.5}.hud-right{position:absolute;right:18px;top:18px;z-index:24;display:flex;flex-direction:column;align-items:flex-end;gap:10px}.bubble-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(110,196,255,.56);border-radius:999px;background:linear-gradient(130deg,#10305fd6,#091a37eb);color:var(--text);padding:8px 12px;cursor:pointer;transition:var(--transition);box-shadow:0 10px 24px #08183673}#hotspot-toggle{position:relative;justify-content:flex-start;width:148px;min-width:48px;min-height:40px;padding:8px 12px;border-radius:14px;overflow:hidden;white-space:nowrap;transition:width var(--fluid-transition),padding var(--fluid-transition),gap .2s linear,border-radius var(--fluid-transition),opacity .2s linear,transform var(--fluid-transition),box-shadow var(--fluid-transition),border-color .2s linear}#hotspot-toggle:after{content:"";position:absolute;inset:1px;border-radius:inherit;background:linear-gradient(120deg,#8edfff33,#60acff00);opacity:0;transform:translate(-12px);pointer-events:none;transition:opacity .2s linear,transform var(--fluid-transition)}#hotspot-toggle:hover:after,#hotspot-toggle:focus-visible:after,#hotspot-toggle[aria-expanded=true]:after{opacity:1;transform:translate(0)}#hotspot-toggle svg{flex-shrink:0}#hotspot-toggle>span:not(.count){display:inline-block;max-width:80px;opacity:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transform:translate(0);transition:max-width var(--fluid-transition),opacity .18s linear,transform var(--fluid-transition)}#hotspot-toggle .count{max-width:30px;transform:scale(1);transition:max-width var(--fluid-transition),min-width var(--fluid-transition),padding var(--fluid-transition),border-radius var(--fluid-transition),border-color .2s linear,opacity .18s linear,transform var(--fluid-transition)}#hotspot-toggle[aria-expanded=false]{width:48px;padding:8px;gap:0;border-radius:999px;justify-content:center}#hotspot-toggle[aria-expanded=false]>span:not(.count){max-width:0;opacity:0;transform:translate(-8px)}#hotspot-toggle[aria-expanded=false] .count{max-width:0;min-width:0;padding:0;border-color:transparent;opacity:0;transform:scale(.64)}.bubble-btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px #174b8e61}.bubble-btn svg{width:16px;height:16px;stroke:var(--accent-2);fill:none;stroke-width:1.8;stroke-linecap:round}.bubble-btn .count{min-width:20px;text-align:center;border-radius:999px;padding:2px 6px;font-size:11px;background:#6cd6ff33;border:1px solid rgba(109,214,255,.42)}.hotspot-panel{width:312px;max-height:min(66vh,520px);padding:12px;overflow:hidden;display:grid;grid-template-rows:auto 1fr auto;gap:10px;overscroll-behavior:contain}.hotspot-panel.hidden{display:none}.search-group label{display:block;font-size:12px;color:var(--sub);margin-bottom:4px}.search-group input{width:100%;border:1px solid var(--line);border-radius:10px;background:#071021a8;color:var(--text);padding:8px 10px;transition:var(--transition)}.search-group input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px #66cbff33}.hotspot-list{margin:0;padding:0;list-style:none;overflow:auto;min-height:0;display:grid;gap:8px;scrollbar-width:thin;scrollbar-color:rgba(116,196,255,.55) 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var(--line);border-radius:10px;padding:10px;color:var(--sub);font-size:12px;text-align:center}.hotspot-tag{position:absolute;transform:translate(-50%,-130%);padding:6px 10px;border-radius:10px;border:1px solid rgba(103,199,255,.4);background:#08142bd1;color:var(--text);pointer-events:auto;cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;transition:transform .2s cubic-bezier(.4,0,.2,1),box-shadow .2s cubic-bezier(.4,0,.2,1),border-color .2s cubic-bezier(.4,0,.2,1)}.hotspot-tag:hover{transform:translate(-50%,-138%)}.hotspot-tag.active{border-color:#ffd56a;box-shadow:0 8px 18px #ffd56a52}.activity-tag{position:absolute;transform:translate(-50%,-132%);padding:6px 10px;border-radius:10px;border:1px solid rgba(255,214,104,.88);background:#2d2204e6;color:#ffe7a8;font-size:13px;font-weight:600;white-space:nowrap;pointer-events:none;box-shadow:0 10px 20px #ffcf5e47}.made-by{position:absolute;right:14px;bottom:12px;z-index:30;display:inline-flex;flex-direction:row;align-items:center;justify-content:flex-start;max-width:min(64vw,156px);min-height:38px;gap:8px;border:1px solid rgba(134,176,236,.28);border-radius:14px;background:#070f1e80;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);color:#e2f0ffb8;font-family:inherit;font-size:12px;line-height:1.2;padding:6px 11px;overflow:hidden;white-space:nowrap;cursor:pointer;transition:max-width var(--fluid-transition),padding var(--fluid-transition),gap var(--fluid-transition),border-radius var(--fluid-transition),opacity .2s linear,transform var(--fluid-transition),box-shadow var(--fluid-transition),border-color .2s linear}.made-by:after{content:"";position:absolute;inset:1px;border-radius:inherit;background:linear-gradient(120deg,#95e3ff29,#62a4ff00);opacity:0;transform:translate(-12px);pointer-events:none;transition:opacity .2s linear,transform var(--fluid-transition)}.made-by-text{display:inline-flex;flex-direction:column;align-items:flex-start;max-width:92px;line-height:1.15;opacity:1;overflow:hidden;transform:translate(0);transition:max-width var(--fluid-transition),opacity .18s linear,transform var(--fluid-transition)}.made-by-text span:first-child{white-space:nowrap}.made-by-text span:last-child{font-size:11px;color:#b4d0f4f2;white-space:nowrap}.contact-avatar{width:24px;height:24px;border-radius:999px;object-fit:cover;border:1px solid rgba(156,204,255,.55);box-shadow:0 6px 12px #050f2373;flex-shrink:0;transition:transform var(--fluid-transition),opacity .18s linear,border-color .2s linear}.made-by.missing-avatar .contact-avatar{display:none}.made-by:hover{border-color:#86c9ff85;box-shadow:0 8px 16px 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rgba(146,188,245,.5);border-radius:999px;background:#091930e0;color:var(--text);font-size:20px;line-height:1;cursor:pointer;transition:var(--transition)}.contact-close:hover{border-color:#95f0ffa6}.contact-card img{display:block;width:100%;border-radius:10px;border:1px solid rgba(144,185,240,.35);background:#fff}.contact-tip{margin:8px 0 0;font-size:12px;color:#c3dcfff2;text-align:center}.contact-missing{display:none;margin:8px 0 0;text-align:center;color:#ffcc7a;font-size:12px}.contact-card.missing-image .contact-missing{display:block}.contact-card.missing-image .contact-tip{display:none}.loading-panel{position:absolute;left:50%;top:18px;transform:translate(-50%);z-index:26;min-width:min(460px,86vw);padding:10px 12px}.loading-title{font-size:12px;color:var(--sub);margin-bottom:6px}.loading-track{width:100%;height:10px;border-radius:999px;border:1px solid rgba(124,174,255,.4);background:#07142ab8;overflow:hidden}.loading-fill{width:0%;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));box-shadow:0 0 14px #66cbff80;transition:width .12s linear}.loading-text{margin-top:6px;text-align:right;font-size:12px;color:var(--accent)}.loading-panel.hidden{display:none}.joystick{position:absolute;left:16px;bottom:18px;z-index:28;width:118px;height:118px;border-radius:999px;border:1px solid rgba(130,182,255,.34);background:radial-gradient(circle at 30% 30%,#285ba659,#07142b8c);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:0 14px 30px #040e1e70;display:none;touch-action:none}.joystick-knob{position:absolute;width:44px;height:44px;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:999px;border:1px solid rgba(133,211,255,.6);background:linear-gradient(135deg,#68c6ff99,#23569e73);box-shadow:0 10px 20px #0d2b5573;transition:transform .08s linear}.hud-bottom{position:fixed;left:50%;bottom:12px;z-index:29;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:8px}.bottom-actions{display:flex;align-items:center;justify-content:center;gap:14px}.bottom-actions .bubble-btn{width:48px;height:48px;min-width:48px;padding:0;border-radius:999px;justify-content:center}.bottom-actions .bubble-btn svg{width:18px;height:18px}.resolution-wrap{position:relative;width:48px;height:48px;display:flex;align-items:center;justify-content:center}.resolution-wrap #resolution-toggle{position:relative;z-index:2}#auto-orbit-toggle.active{border-color:#ffd56a;box-shadow:0 8px 18px #ffd56a40}.resolution-panel{position:absolute;left:50%;bottom:0;width:48px;max-height:48px;padding:0;border-radius:999px;overflow:hidden;opacity:0;pointer-events:none;transform-origin:bottom center;transform:translate(-50%) scale(.56);transition:width .24s cubic-bezier(.22,1,.36,1),max-height .24s cubic-bezier(.22,1,.36,1),padding .24s 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scale(.56)}.resolution-actions{margin-top:8px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.panel-toggle-row{margin-top:10px;display:flex;width:100%}.panel-toggle-row+.panel-toggle-row{margin-top:8px}.panel-icon-toggle{display:flex;position:relative;width:100%;height:34px;min-width:0;border-radius:999px;justify-content:flex-start;align-items:center;flex:1 1 auto;padding:0 10px}.panel-icon-toggle:disabled{opacity:.62;cursor:default;pointer-events:none}.motion-info{display:inline-flex;flex-direction:column;align-items:flex-start;gap:2px;line-height:1}.motion-main{display:inline-flex;align-items:center;gap:6px}.motion-icon{position:relative;font-size:10px;font-weight:700;letter-spacing:.5px;color:var(--accent-2);line-height:1}.motion-label{font-size:11px;font-weight:600;color:var(--text)}.motion-sub{font-size:10px;color:#bdd3eef2;letter-spacing:.2px}.panel-icon-toggle:not(.active) .motion-icon{color:#bacee8d9}.panel-icon-toggle:not(.active) .motion-label{color:#ccdcf0e6}.panel-icon-toggle:not(.active) .motion-sub{color:#c1d0e2d9}.resolution-option{border:1px solid rgba(118,173,255,.36);border-radius:999px;background:linear-gradient(120deg,#14386cd1,#0a1937eb);color:var(--text);padding:6px 10px;font-size:12px;cursor:pointer;transition:var(--transition)}.resolution-option:hover{transform:translateY(-1px)}.resolution-option.active{border-color:#ffd56a;box-shadow:0 8px 18px #ffd56a40}body.is-mobile .hud-left{left:10px;top:10px;gap:8px}body.is-mobile .hud-title h1{font-size:15px}body.is-mobile .hud-title p,body.is-mobile .status,body.is-mobile .tips,body.is-mobile .search-group label,body.is-mobile .search-group input,body.is-mobile .hotspot-list-item,body.is-mobile .hotspot-empty,body.is-mobile .made-by,body.is-mobile .contact-tip,body.is-mobile .contact-missing{font-size:11px}body.is-mobile .hotspot-panel{width:min(78vw,280px)}body.is-mobile .loading-panel{top:10px;min-width:min(360px,92vw);padding:8px 10px}body.is-mobile .joystick{display:block}body.is-mobile .hotspot-panel{display:none}body.is-mobile .hotspot-panel.open{display:grid}@media(max-width:900px)and (orientation:portrait){body.is-mobile .hud-left{left:10px;top:10px;gap:7px}body.is-mobile .hud-title{gap:8px}body.is-mobile .hud-title h1{font-size:14px}body.is-mobile .hud-title p,body.is-mobile .tips{display:none}body.is-mobile .model-switch{margin-left:0;padding:4px 7px}body.is-mobile .model-select-trigger{min-width:96px;height:28px;font-size:11px}body.is-mobile .model-select-menu{min-width:138px;padding:5px}body.is-mobile .model-select-option{font-size:11px;padding:7px 8px}body.is-mobile .loading-panel{top:10px;min-width:min(320px,86vw)}body.is-mobile .hud-right{right:8px;top:10px;transform:none;align-items:flex-end;gap:8px}body.is-mobile .bubble-btn{padding:8px 10px;border-radius:999px;box-shadow:0 10px 24px #08183685}body.is-mobile .bubble-btn span{font-size:11px}body.is-mobile .hotspot-panel{position:fixed;right:8px;top:58px;bottom:72px;height:calc(100dvh - 130px);min-height:220px;width:min(80vw,300px);max-height:none;padding:10px;gap:8px;grid-template-rows:auto 1fr auto}body.is-mobile .search-group input{min-height:34px;padding:8px 9px}body.is-mobile .hotspot-list-item{padding:8px 9px;font-size:11px}body.is-mobile .joystick{left:10px;bottom:14px;width:104px;height:104px}body.is-mobile .hud-bottom{bottom:max(10px,env(safe-area-inset-bottom))}body.is-mobile .resolution-panel{width:44px;max-height:44px;padding:0}body.is-mobile .resolution-panel.open{width:178px;max-height:312px;padding:9px;transform:translate(-50%,-58px) scale(1)}body.is-mobile .resolution-panel.open:hover{transform:translate(-50%,-58px) scale(1)}body.is-mobile .resolution-panel:not(.open):hover{transform:translate(-50%) scale(.56)}body.is-mobile .bottom-actions{gap:8px}body.is-mobile .resolution-wrap{width:44px;height:44px}body.is-mobile .bottom-actions .bubble-btn{width:44px;height:44px;min-width:44px;padding:0}body.is-mobile .joystick-knob{width:40px;height:40px}body.is-mobile .made-by{right:10px;bottom:10px;max-width:min(70vw,142px);min-height:36px;padding:6px 9px}body.is-mobile .made-by.hidden{max-width:42px;padding:6px}body.is-mobile #hotspot-toggle[aria-expanded=true]{width:140px}body.is-mobile #hotspot-toggle[aria-expanded=false]{width:44px;padding:8px}body.is-mobile .contact-avatar{width:22px;height:22px}body.is-mobile .contact-card{right:10px;bottom:10px;width:min(84vw,290px)}}@media(max-width:900px){.hud-left{left:10px;top:10px}.hud-right{right:10px;top:10px}}