:root{color-scheme:dark;--bg:#060b12;--text:#e7edf3;--muted:#81929f;--dim:#506879;--line:#9dc8d01f;--cyan:#92dfd7;--blue:#9aabff;--gold:#eac59a;font-family:"Segoe UI","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{overflow:hidden;margin:0;background:var(--bg);font-size:16px;color:var(--text)}button,input{font:inherit}button{border:0;background:none;color:inherit;cursor:pointer}button,a{-webkit-tap-highlight-color:transparent}button{transition:color .22s,background .22s,border-color .22s,transform .22s}button:hover{color:white}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}button:active{transform:scale(.96)}a{color:inherit;text-decoration:none}.atlas{height:100svh;min-height:650px;position:relative;overflow:clip;isolation:isolate;background:#060b12}.atmosphere{position:absolute;inset:-12%;background:radial-gradient(ellipse at 72% 38%,#20415840,transparent 42%),radial-gradient(ellipse at 42% 75%,#10393730,transparent 45%),radial-gradient(ellipse at 15% 10%,#24223922,transparent 38%);pointer-events:none;animation:atmosphere 30s ease-in-out infinite alternate}.atmosphere:after{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 35%,#03060ba8 85%)}#ambient{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.7}.header{height:92px;position:absolute;top:0;left:0;right:0;z-index:6;display:flex;align-items:center;justify-content:space-between;padding:0 38px;background:linear-gradient(#060b12e6,transparent)}.brand{display:flex;align-items:center;gap:12px;font-size:23px;letter-spacing:4px;font-weight:500}.brand svg{width:28px;height:34px;color:var(--cyan)}.brand small{display:block;font-size:9px;letter-spacing:2.2px;color:#9cb2c0;line-height:1.6}.header-actions{display:flex;align-items:center;gap:32px;font-size:13px;color:var(--muted)}.edition{font-size:11px;letter-spacing:2px}.text-btn{font-size:13px;padding:9px 0;border-bottom:1px solid #6b85923d}.scene-heading{position:absolute;z-index:2;top:144px;left:40px;pointer-events:none}.eyebrow{font-size:10px;letter-spacing:2px;font-weight:500;color:var(--cyan)}.scene-heading .eyebrow{color:#839ba7;font-size:10px;letter-spacing:2.3px}h1{font:400 36px/1.5 "Songti SC","SimSun",serif;letter-spacing:5px;margin:8px 0}.scene-heading p{font-size:13px;letter-spacing:2px;color:var(--muted);margin:0}.compare-bar{position:absolute;z-index:8;left:50%;top:30px;transform:translateX(-50%);width:560px;border:1px solid #99bfd425;border-radius:8px;box-shadow:0 8px 35px #0005,inset 0 1px #ffffff05;background:#10202f91;backdrop-filter:blur(22px)}form{display:flex;align-items:center;padding:7px;gap:4px}.field{position:relative;display:flex;align-items:center;min-width:0;flex:1;padding:0 10px;gap:12px}input{background:none;border:0;color:var(--text);font-size:14px;line-height:1.4;height:37px;width:100%;min-width:0;outline:none!important}.marker{font-size:10px;color:var(--cyan);border:1px solid #92dfd747;border-radius:3px;width:19px;height:19px;text-align:center;line-height:17px;flex-shrink:0}.marker.b{color:var(--blue);border-color:#9aabff47}.swap{color:#8498a6;font-size:22px;padding:0 6px}.compare-submit{font-size:13px;color:#c5e8e7;background:#244a533e;border:1px solid #b2dad52e;padding:9px 14px;white-space:nowrap;border-radius:5px}.compare-submit:hover{background:#315f64a6}.suggestions{position:absolute;top:49px;left:-4px;width:280px;max-height:300px;overflow-y:auto;background:#10202ff5;border:1px solid #adcbd534;border-radius:6px;box-shadow:0 20px 40px #0008;padding:5px}.suggestions button{width:100%;padding:9px 11px;text-align:left;border-radius:4px;font-size:14px}.suggestions button:hover,.suggestions button:focus{background:#a0cdd514}.suggestions small{display:block;color:var(--muted);font-size:12px;margin-top:3px}.empty-search{display:block;color:var(--muted);font-size:13px;padding:12px}#formError{position:absolute;top:60px;left:10px;font-size:13px;background:#311b20ed;color:#f2b2b2;border-radius:4px;padding:8px 14px}#formError:empty{display:none}.view-switch{position:absolute;right:38px;top:121px;display:flex;gap:3px;z-index:5;background:#0a152088;border:1px solid var(--line);padding:4px;border-radius:6px;backdrop-filter:blur(16px)}.view-switch button{font-size:13px;color:var(--muted);padding:7px 13px;border-radius:3px}.view-switch .selected{background:#68899825;color:#e0ecee}.breadcrumbs{position:absolute;top:96px;left:50%;transform:translateX(-50%);z-index:5;display:flex;align-items:center;gap:9px;white-space:nowrap}.breadcrumbs button{font-size:11px;color:#839aa8;max-width:110px;overflow:hidden;text-overflow:ellipsis;padding:6px 0}.breadcrumbs button:last-child{color:#bbd2d9}.breadcrumbs>span{font-size:11px;color:#3d5565}.tree-stage{position:absolute;top:110px;bottom:143px;left:0;right:0;touch-action:none}#tree{width:100%;height:100%;overflow:visible;user-select:none;cursor:grab;outline-offset:-4px}#tree.dragging{cursor:grabbing}.branch{fill:none;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}.branch-glow{opacity:.12;filter:url(#branchGlow)}.flow{fill:none;stroke-dasharray:2 35;stroke-linecap:round;pointer-events:none;animation:flow 5s linear infinite}.tree-node{cursor:pointer;outline:none}.tree-node .hit{fill:transparent}.tree-node .dot{transition:fill .2s,stroke .2s}.tree-node:hover .dot,.tree-node:focus .dot{fill:#d5f4f0;stroke:white}.tree-node:focus .focus-ring{stroke:var(--cyan);opacity:1}.focus-ring{fill:none;opacity:0}.node-ring{fill:none;stroke:#eac59a;transform-box:fill-box;transform-origin:center;animation:pulse 4s ease-in-out infinite}.map-label{pointer-events:none;paint-order:stroke;stroke:#070d16;stroke-width:3px;stroke-linejoin:round}.map-label .node-name{font-size:13px;font-weight:450;letter-spacing:.3px}.map-label .node-meta{font-size:10px;fill:#819aa9;letter-spacing:.4px}.map-label.major .node-name{font-size:16px}.map-label.selected .node-name{font-size:16px;font-weight:550}.map-label.selected .node-meta{font-size:11px}.node-tooltip{position:absolute;max-width:280px;background:#132331e8;color:#ccdee5;border:1px solid #9fc4d22d;padding:8px 13px;border-radius:5px;font-size:12px;backdrop-filter:blur(15px);pointer-events:none;z-index:4}.view-meta{position:absolute;left:40px;bottom:157px;font-size:11px;color:var(--muted);letter-spacing:.6px;z-index:3;display:flex;align-items:center;gap:12px;pointer-events:none}.tiny-line{width:22px;height:1px;background:#a4cfca80}.meta-divider{height:9px;width:1px;background:#7a99aa45}.glass{background:linear-gradient(130deg,#142431b5,#101a27a3);border:1px solid #a3c0cb25;backdrop-filter:blur(24px);box-shadow:0 18px 60px #0005,inset 0 1px #ffffff04}.ancestor-card{position:absolute;bottom:207px;left:36px;width:298px;border-radius:7px;padding:22px 24px;z-index:5;animation:card-in .5s ease both}.ancestor-card .eyebrow{font-size:9px;color:var(--gold);letter-spacing:1.2px}.card-close{position:absolute;right:11px;top:5px;color:var(--muted);font-size:22px;padding:2px 5px}.ancestor-title h2{font-size:23px;font-weight:450;letter-spacing:1px;margin:13px 0 4px}.ancestor-title>span{font:italic 12px Georgia,serif;color:var(--muted)}.ancestor-time{margin:18px 0 12px;display:flex;flex-direction:column;gap:6px}.ancestor-time strong{font-size:23px;font-weight:400;color:var(--gold);font-variant-numeric:tabular-nums;letter-spacing:.5px}.ancestor-time>span{font-size:12px;color:#a2b4c1}.ancestor-card p{font-size:13px;line-height:1.8;color:#b2c5cf;margin:10px 0 14px}.subtle-btn{color:var(--cyan);font-size:12px;padding:0;border-bottom:1px solid #92dfd73b;padding-bottom:4px}.demo-note{display:block;color:#7b909e;font-size:10px;margin-top:16px}.node-card{position:absolute;right:38px;top:180px;z-index:7;width:275px;padding:22px 23px;border-radius:7px;animation:card-in .3s ease both}.node-card h2{font-size:23px;font-weight:450;margin:10px 0 4px}.node-card i{color:var(--muted);font:italic 12px Georgia,serif}.node-age{font-size:17px;color:var(--gold);margin-top:20px}.node-card p{font-size:13px;color:#94abb8;line-height:1.8}.node-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:17px}.node-actions button{font-size:12px;border:1px solid #a3c0cb30;padding:7px 11px;border-radius:4px;color:#b5d5dd}.node-actions button:hover{background:#94cad117}.explore-hint{position:absolute;bottom:190px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:9px;color:#7a94a4;font-size:11px;pointer-events:none;letter-spacing:1px;z-index:2}.mouse-icon{border:1px solid #72899a68;width:13px;height:20px;border-radius:8px;position:relative}.mouse-icon:after{content:"";position:absolute;width:1px;height:4px;background:#a7bdc5;top:4px;left:5px;animation:scroll-cue 3s ease infinite}.map-controls{position:absolute;bottom:203px;right:36px;border-radius:6px;z-index:6;display:flex;align-items:center;padding:4px;gap:2px}.map-controls button{height:37px;min-width:38px;font-size:12px;color:#bbced6;border-radius:4px}.map-controls button:first-child,.map-controls button:nth-child(3){font-size:22px;font-weight:300}.map-controls button:hover{background:#8fbaca18}#zoomLevel{font-size:11px;color:#97acb9;min-width:36px;text-align:center}.control-rule{height:18px;border-left:1px solid var(--line);margin:0 6px}.quick-explore{position:absolute;top:277px;left:40px;z-index:5;display:flex;flex-direction:column;align-items:flex-start;gap:4px}.quick-explore>span{font-size:10px;color:#607c8d;margin-bottom:8px;letter-spacing:1px}.quick-explore button{font-size:12px;color:#94acb9;padding:7px 0;border-bottom:1px solid #60849818}.quick-explore button:hover{color:var(--cyan);padding-left:5px}.time-axis{position:absolute;left:36px;right:36px;bottom:20px;z-index:5;border-top:1px solid #b7d2d32b;background:linear-gradient(transparent,#050a1299);height:122px;touch-action:none}.axis-top{display:flex;justify-content:space-between;align-items:center;font-size:11px;color:#94aaba;padding-top:13px;letter-spacing:.5px}.axis-top i{font-style:normal;font-size:9px;letter-spacing:1.5px;color:#587889;margin-left:12px}.axis-top button{font-size:10px;color:#a9bbc9;padding:3px 6px;border:1px solid #7895a928;border-radius:3px}.axis-top #axisRange{color:#7894a5;font-size:11px}#timeline{width:100%;height:68px;display:block;overflow:hidden;cursor:crosshair}.axis-bottom{display:flex;justify-content:space-between;color:#58788a;font-size:9px;letter-spacing:.5px}.time-readout{position:absolute;bottom:107px;background:#162735e8;backdrop-filter:blur(14px);border:1px solid #97b6c035;border-radius:5px;padding:10px 15px;white-space:nowrap;font-size:12px;color:#c1d7df;box-shadow:0 5px 20px #0006}.time-readout strong{color:var(--gold);font-weight:450;display:block;font-size:14px;margin-bottom:3px}dialog{width:min(590px,calc(100% - 32px));background:#101c2b;color:var(--text);border:1px solid #b0c9d332;border-radius:9px;padding:36px;box-shadow:0 40px 100px #0009}dialog::backdrop{background:#040910bb;backdrop-filter:blur(12px)}dialog h2{font-size:26px;font-weight:450;margin:15px 0}dialog p{font-size:14px;line-height:1.9;color:#acbecd}.source-links{display:grid;gap:10px;color:var(--cyan);font-size:13px}.source-links a:hover{text-decoration:underline}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}[hidden]{display:none!important}.motion-off .flow,.motion-off .node-ring,.motion-off .atmosphere,.motion-off .mouse-icon:after{animation-play-state:paused}.motion-off .flow{opacity:0}@keyframes flow{to{stroke-dashoffset:-185}}@keyframes atmosphere{to{transform:translate(-2%,3%) scale(1.08)}}@keyframes pulse{0%,100%{opacity:.15}50%{opacity:.55}}@keyframes card-in{from{opacity:0;transform:translateY(9px)}to{opacity:1;transform:translateY(0)}}@keyframes scroll-cue{0%,100%{opacity:.2;transform:translateY(0)}40%{opacity:.8}70%{opacity:.3;transform:translateY(5px)}}@media(max-width:1150px){.header{padding:0 26px}.edition{display:none}.compare-bar{width:510px}.scene-heading{left:28px;top:134px}h1{font-size:30px}.scene-heading p{font-size:12px}.quick-explore{left:28px;top:250px}.view-switch{right:26px;top:108px}.ancestor-card{width:260px;padding:20px;left:26px}.map-controls{right:26px}.time-axis{left:26px;right:26px}.view-meta{left:28px}.node-card{right:26px}}@media(max-width:760px){.atlas{min-height:620px}.header{height:70px;padding:0 20px}.brand{font-size:19px;gap:9px}.brand svg{width:22px}.brand small{font-size:8px}.text-btn{font-size:11px}.compare-bar{top:80px;left:20px;right:20px;width:auto;transform:none}form{padding:6px;gap:0}.field{padding:0 7px;gap:7px}input{font-size:13px}.compare-submit{padding:8px 9px;font-size:12px}.swap{font-size:18px;padding:0 3px}.suggestions{width:220px;max-width:70vw}.field:nth-of-type(2) .suggestions{left:auto;right:0}.scene-heading{top:167px;left:22px}h1{font-size:26px;letter-spacing:3px;margin:5px 0}.scene-heading .eyebrow{font-size:8px;letter-spacing:1.8px}.scene-heading p{font-size:11px;letter-spacing:1px}.tree-stage{top:156px;bottom:157px}.view-switch{top:152px;right:20px;padding:3px}.view-switch button{font-size:11px;padding:6px 9px}.breadcrumbs{top:133px;width:calc(100% - 45px);justify-content:center;overflow:hidden;gap:7px}.breadcrumbs button{font-size:10px;flex-shrink:0;max-width:90px}.quick-explore{display:none}.ancestor-card{left:20px;bottom:201px;width:230px;padding:16px 19px}.ancestor-card .eyebrow{font-size:8px}.ancestor-title h2{font-size:19px;margin-top:8px}.ancestor-title>span{font-size:11px}.ancestor-time{margin:12px 0 8px}.ancestor-time strong{font-size:20px}.ancestor-card p{font-size:12px;margin:8px 0 10px}.demo-note{font-size:9px;margin-top:10px}.node-card{right:20px;top:204px;width:240px;padding:20px}.node-card h2{font-size:21px}.map-controls{right:20px;bottom:161px;padding:3px;gap:0}.map-controls button{height:33px;min-width:32px;font-size:11px}.map-controls #zoomLevel{min-width:30px;font-size:10px}.map-controls .control-rule{margin:0 4px}.explore-hint{display:none}.view-meta{bottom:206px;left:22px;font-size:10px;gap:8px}.time-axis{bottom:20px;left:20px;right:20px;height:117px}.axis-top{font-size:10px;flex-wrap:wrap;gap:4px}.axis-top i{display:none}.axis-top #axisRange{font-size:9px}.axis-top button{font-size:9px}.axis-bottom{font-size:8px;gap:10px;flex-wrap:wrap}.axis-bottom>span:nth-child(2){width:100%;order:3;line-height:1.6}.axis-bottom>span:last-child{margin-left:auto}.time-readout{font-size:11px;padding:8px 11px}.time-readout strong{font-size:12px}.node-tooltip{display:none}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
:root{--bloom-x:65%;--bloom-y:45%}.tree-stage{overflow:clip}.atlas:before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at var(--bloom-x) var(--bloom-y),#1e50631a 0%,transparent 38%);z-index:0}.ancestor-card .ancestor-time strong{line-height:1.5}.map-label .node-meta{stroke-width:2px}.atmosphere{opacity:1.4}
@media(max-width:760px){.ancestor-card{bottom:201px;left:20px;right:20px;width:auto;padding:13px 16px}.ancestor-card>.eyebrow{font-size:8px;letter-spacing:1px}.ancestor-title{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}.ancestor-title h2{font-size:18px;margin:7px 0 0}.ancestor-title>span{font-size:10px}.ancestor-time{margin:8px 0 5px;gap:3px}.ancestor-time strong{font-size:18px}.ancestor-time>span{font-size:11px}.ancestor-card p,.ancestor-card .demo-note{display:none}.ancestor-card .subtle-btn{position:absolute;right:16px;bottom:15px;font-size:10px}.ancestor-card .ancestor-time>span{max-width:210px}}
.fossil-range{fill:none;stroke-linecap:round;pointer-events:none}.fossil-cap{pointer-events:none}.node-source{display:block;font-size:11px;color:var(--gold);margin:13px 0 5px;line-height:1.6}.node-source:hover{text-decoration:underline}.fossil-legend{color:#b4a798!important}.quick-explore{gap:2px}.quick-explore button{padding:6px 0}dialog{max-height:85svh;overflow:auto}.node-card{max-height:calc(100svh - 365px);overflow:auto}
.tree-stage:focus,.tree-stage:focus-visible,#tree:focus,#tree:focus-visible{outline:none}
.branch-entry{cursor:pointer;pointer-events:auto}.branch-entry rect{fill:#0c1924;fill-opacity:.94;stroke:#799ca54f;stroke-width:1}.branch-entry .entry-name{font-size:13px;fill:#bad2d8}.branch-entry .entry-action{font-size:10px;fill:#7796a3}.branch-entry:hover rect,.branch-entry:focus-visible rect{fill:#142c38;stroke:#91d4cd}.branch-entry:hover .entry-action{fill:#b9e2de}
@media(max-height:820px) and (min-width:761px){.quick-explore{gap:0}.quick-explore button{padding:3px 0}}
.fossil-library{width:min(720px,calc(100% - 32px))}.fossil-library h3{font-size:12px;font-weight:400;letter-spacing:2px;color:#9bb4bd;margin:24px 0 12px}.fossil-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.fossil-grid button{text-align:left;padding:12px 14px;border:1px solid #c1a17e20;background:#b99a7510;border-radius:5px;min-height:62px}.fossil-grid button:hover{background:#b99a7520;border-color:#c1a17e55}.fossil-grid strong{display:block;color:#d7c4ad;font-size:14px;font-weight:450}.fossil-grid span{display:block;font-size:10px;color:#8f9eaa;margin-top:7px;line-height:1.5}@media(max-width:520px){.fossil-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.header-actions{gap:14px}}