:root{--bg0: #0d1420;--bg1: #1d2c40;--panel: rgba(20, 28, 40, .82);--panel-border: rgba(255, 255, 255, .08);--text: #e9eef5;--muted: #93a1b5;--accent: #3fb5ff;--accent-soft: rgba(63, 181, 255, .16);--radius: 12px;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,Helvetica Neue,sans-serif;color:var(--text)}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--bg0)}button{font:inherit;color:inherit}button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}#app{position:fixed;inset:0;background:radial-gradient(ellipse at 50% 35%,var(--bg1) 0%,var(--bg0) 75%)}#scene{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}.muted{color:var(--muted);font-size:12px}.panel-title{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:14px 4px 8px}.panel-title:first-child{margin-top:2px}.topbar{position:absolute;top:0;left:0;right:0;height:56px;padding:0 16px;display:flex;align-items:center;gap:16px;background:linear-gradient(to bottom,#080c14bf,#080c1400);z-index:5}.brand{display:flex;align-items:center;gap:8px;font-weight:600;font-size:16px;color:var(--accent);white-space:nowrap}.brand span{color:var(--text)}.search{position:relative;flex:0 1 420px;margin:0 auto;display:flex;align-items:center}.search>svg{position:absolute;left:12px;color:var(--muted)}.search input{width:100%;height:36px;padding:0 14px 0 34px;border-radius:18px;background:#ffffff14;border:1px solid var(--panel-border);color:var(--text);font-size:14px}.search input::placeholder{color:var(--muted)}.search-results{position:absolute;top:42px;left:0;right:0;max-height:50vh;overflow:auto;margin:0;padding:6px;list-style:none;background:var(--panel);backdrop-filter:blur(14px);border:1px solid var(--panel-border);border-radius:var(--radius)}.search-results li{padding:8px 10px;border-radius:8px;cursor:pointer;display:flex;align-items:center;gap:8px;font-size:14px}.search-results li[aria-selected=true],.search-results li:hover{background:var(--accent-soft)}.search-results .en{margin-left:auto;color:var(--muted);font-size:12px}.icon-btn{background:#ffffff0f;border:1px solid var(--panel-border);border-radius:10px;width:36px;height:36px;display:grid;place-items:center;cursor:pointer}.icon-btn:hover{background:#ffffff24}.icon-btn.small{width:28px;height:28px;font-size:12px;margin-left:auto;flex-shrink:0}.layers,.tree-panel,.info,.toolbar{position:absolute;background:var(--panel);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--panel-border);border-radius:var(--radius);z-index:4}.layers{top:68px;left:16px;width:220px;padding:12px;max-height:calc(100vh - 180px);overflow:auto}.system{padding:8px;border-radius:10px;margin-bottom:6px;background:#ffffff08}.system.off{opacity:.5}.system-row{display:flex;align-items:center;gap:10px}.system-row .sys-icon{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font-size:15px}.system-row .name{flex:1;font-size:14px}.system-row .name small{display:block;color:var(--muted);font-size:11px}.switch{position:relative;width:34px;height:20px;border-radius:10px;background:#3a4658;border:none;cursor:pointer;padding:0;flex-shrink:0;transition:background .2s}.switch:after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .2s}.switch[aria-checked=true]{background:var(--accent)}.switch[aria-checked=true]:after{transform:translate(14px)}.opacity{display:flex;align-items:center;gap:8px;margin-top:8px;font-size:11px;color:var(--muted)}.opacity input{flex:1;accent-color:var(--accent)}.layer-ctl{margin-top:10px;padding-top:10px;border-top:1px solid var(--panel-border)}.layer-head{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-bottom:6px}.layer-now{color:var(--accent)}.layer-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:3px}.layer-chip{height:26px;font-size:11px;border-radius:6px;border:1px solid var(--panel-border);background:#ffffff08;color:var(--muted);cursor:pointer;padding:0}.layer-chip.on{background:#c0463c8c;color:#fff;border-color:#ff8c7866}.layer-chip:hover{border-color:#3fb5ff80}.layer-btns{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-top:6px}.layer-btns button{height:28px;font-size:12px;border-radius:6px;border:1px solid var(--panel-border);background:#ffffff0f;cursor:pointer}.layer-btns button:hover:not(:disabled){background:var(--accent-soft);border-color:#3fb5ff66}.layer-btns button:disabled{opacity:.35;cursor:default}.check.small{font-size:12px;margin-top:8px}.view-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}.view-grid button,.toolbar button{background:#ffffff0f;border:1px solid transparent;border-radius:8px;cursor:pointer}.view-grid button{height:32px;font-size:13px}.view-grid button:hover,.toolbar button:hover:not(:disabled){background:var(--accent-soft);border-color:#3fb5ff66}.check{display:flex;align-items:center;gap:8px;font-size:13px;margin-top:10px;color:var(--muted);cursor:pointer}.check input{accent-color:var(--accent)}.tree-panel{top:68px;right:16px;bottom:96px;width:260px;padding:12px 8px 12px 12px;display:flex;flex-direction:column;transition:transform .25s,opacity .25s}.tree-panel.collapsed{transform:translate(calc(100% + 24px));opacity:0;pointer-events:none}.tree{overflow:auto;flex:1;padding-right:4px;font-size:13px}.tree details{margin:2px 0}.tree summary{cursor:pointer;padding:6px;border-radius:8px;list-style:none;display:flex;align-items:center;gap:6px;user-select:none}.tree summary::-webkit-details-marker{display:none}.tree summary:before{content:"▸";color:var(--muted);font-size:10px;transition:transform .15s}.tree details[open]>summary:before{transform:rotate(90deg)}.tree summary:hover{background:#ffffff0f}.tree .group>.items{padding-left:14px}.tree .grp-count{margin-left:auto;color:var(--muted);font-size:11px}.item{display:flex;align-items:center;gap:6px;padding:4px 6px;border-radius:6px;cursor:pointer}.item:hover{background:#ffffff0f}.item.selected{background:var(--accent-soft);color:#fff}.item.hidden .label{opacity:.4;text-decoration:line-through}.item.faded .label{opacity:.6;font-style:italic}.item .label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.item .eye{background:none;border:none;cursor:pointer;color:var(--muted);padding:2px 4px;font-size:12px;border-radius:4px}.item .eye:hover{color:var(--text);background:#ffffff1a}.dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}.info{left:16px;bottom:96px;width:340px;max-height:calc(100vh - 470px);min-height:140px;overflow:auto;padding:14px 16px}.info-head{display:flex;align-items:flex-start;gap:10px}.info-head .dot{margin-top:7px;width:12px;height:12px}.info h2{margin:0;font-size:18px;font-weight:600}.tags{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0 4px}.tag{font-size:11px;padding:2px 8px;border-radius:10px;background:#ffffff14;color:var(--muted)}.info p{font-size:13px;line-height:1.65;color:#cdd6e2;margin:10px 0}.info dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:6px 12px;font-size:13px}.info dt{color:var(--muted);white-space:nowrap}.info dd{margin:0;line-height:1.5}.toolbar{left:50%;bottom:20px;transform:translate(-50%);display:flex;align-items:center;gap:4px;padding:6px;border-radius:16px}.toolbar button{width:60px;height:56px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:11px;color:#cfd8e4}.toolbar button:disabled{opacity:.35;cursor:default}.toolbar svg{width:22px;height:22px;fill:currentColor}.toolbar .sep{width:1px;height:36px;background:var(--panel-border);margin:0 4px}.tooltip{position:absolute;pointer-events:none;z-index:6;padding:5px 10px;border-radius:8px;font-size:13px;background:#0a101ae6;border:1px solid var(--panel-border);transform:translate(14px,14px);white-space:nowrap}.hint{position:absolute;bottom:88px;left:50%;transform:translate(-50%);font-size:12px;color:var(--muted);pointer-events:none;transition:opacity 1s;white-space:nowrap}@media (max-width: 900px){.layers{width:180px}.tree-panel{width:220px}.info{width:calc(100vw - 32px);max-height:38vh;bottom:92px}.search{flex-basis:240px}.brand span,.hint{display:none}}@media (max-width: 640px){.layers{display:none}.toolbar button{width:46px}}.loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;z-index:50;background:#0a0e1499;color:#cdd6e2;font-size:14px}.loading[hidden]{display:none}.loading .bar{width:240px;height:4px;border-radius:2px;background:#ffffff1f;overflow:hidden}.loading .bar i{display:block;height:100%;width:0;background:#4aa3ff;transition:width .2s}.credit{position:absolute;right:12px;bottom:6px;font-size:11px;color:#cdd6e299;z-index:5}.credit a{color:inherit}