:root{color-scheme:dark;--bg:#0c0f14;--panel:#14191f;--line:#293038;--muted:#85909d;--accent:#b9f476;--text:#edf0eb}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"Segoe UI","Microsoft YaHei UI",sans-serif;font-size:14px}button,a,input,select{-webkit-tap-highlight-color:transparent}button,select{font:inherit}button{cursor:pointer;transition:background .18s,transform .18s,border-color .18s;color:inherit;border:1px solid transparent}button:hover:not(:disabled){filter:brightness(1.1)}button:active:not(:disabled){transform:translateY(1px)}button:disabled{opacity:.38;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}header{height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 4.5%;gap:20px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}.brand-icon{font-size:42px;color:var(--accent)}.brand strong{font-size:24px;letter-spacing:3px}.brand strong span{display:block;font-size:8px;letter-spacing:2px;color:var(--muted);margin-top:3px}.header-center{color:#b7bfc8;font-size:12px}.header-center span{padding:0 15px;color:#56616d}.local{font-size:11px;color:#adb9aa;display:flex;gap:8px;align-items:center}.local i,.live-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}main{max-width:1530px;margin:auto;padding:38px 4.5% 22px}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.eyebrow{font-size:9px;font-weight:600;color:var(--accent);letter-spacing:2px}h1{font-size:34px;font-weight:550;letter-spacing:1px;margin:12px 0}p{color:var(--muted);line-height:1.7}.intro p{margin:0;font-size:13px}.step{font-size:11px;color:#aeb8c3;display:flex;align-items:center;gap:10px}.step b{font-size:9px;font-weight:400;color:var(--accent);border:1px solid #354633;padding:6px;border-radius:50%}.step span{color:#3d464e;margin:0 3px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px}.viewer{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#11161c;min-width:0;display:flex;flex-direction:column}.viewer-top{height:61px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:11px}.viewer-top b{font-weight:400;margin-left:7px}.tag{font-size:9px;font-family:monospace;color:var(--muted)}.tabs{display:flex;padding:3px;background:#090d11;border:1px solid #262d35;border-radius:7px}.tabs button{padding:5px 13px;background:none;border-radius:4px;font-size:10px;color:var(--muted)}.tabs button.active{background:#30383f;color:#eff5e7}.stage{margin:0 12px;min-height:380px;flex:1;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;background:radial-gradient(ellipse at 50% 45%,#24302b44,transparent 65%),#090d11;border:1px solid #232a30;border-radius:10px}.stage.drag{border:2px dashed var(--accent)}.stage:before{content:"";position:absolute;inset:0;opacity:.2;background-image:linear-gradient(#75888218 1px,transparent 1px),linear-gradient(90deg,#75888218 1px,transparent 1px);background-size:38px 38px;pointer-events:none}.empty{text-align:center;z-index:1;padding:25px}.empty h2{font-size:20px;font-weight:500;margin:22px 0 8px}.empty p{font-size:12px;margin:0 0 22px}.empty small{display:block;font-size:10px;color:#66727e;margin:13px}.layers{height:95px;width:110px;margin:0 auto;position:relative}.layers span{position:absolute;width:78px;height:84px;border-radius:12px;transform:rotate(-15deg);border:1px solid #597c4c;background:#1b2a21;left:0;top:8px}.layers span:nth-child(2){transform:rotate(3deg);left:18px;top:3px;background:#273924}.layers span:nth-child(3){transform:rotate(15deg);left:35px;top:0;display:grid;place-content:center;color:var(--accent);font-size:40px;background:#354c2c}.primary{background:var(--accent);color:#1b2b10;font-weight:650;border-radius:8px;padding:13px 26px}.demo{background:none;color:#a8b89b;font-size:11px;margin-top:7px}.stage-corner{position:absolute;bottom:20px;left:20px;color:#647166;font-size:7px;letter-spacing:2px;line-height:1.6;pointer-events:none}canvas{display:block;max-width:100%;max-height:490px;object-fit:contain;z-index:1}canvas[hidden]{display:none}.transport{display:flex;align-items:center;gap:13px;padding:19px 22px;font-size:10px;color:var(--muted)}.play{background:#29352a;color:var(--accent);width:30px;height:30px;border-radius:50%;font-size:11px}.timeline{height:3px;background:#313941;flex:1;overflow:hidden;border-radius:4px}.timeline div{height:100%;width:0;background:var(--accent)}.loop{font-size:10px;margin-left:5px}.caption{display:flex;align-items:center;justify-content:space-between;padding:13px 22px;border-top:1px solid var(--line);font-size:10px;color:#778591}.caption span{overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:70%}.caption button{background:none;color:#bdcbb5;font-size:10px}aside{display:flex;flex-direction:column;gap:16px}.panel,.export-panel{border:1px solid var(--line);border-radius:16px;background:var(--panel);padding:23px}.panel-heading h2{font-size:20px;font-weight:500;margin:9px 0 27px}.panel-heading .eyebrow{font-size:8px;color:#8e9b87}.field-title{display:flex;justify-content:space-between;align-items:center;font-size:12px;margin:22px 0 12px}.field-title span{color:#596573;font-size:10px}.field-title output{font-size:12px;color:var(--accent);font-variant-numeric:tabular-nums}.motions{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}.motions button{padding:14px 3px 11px;background:#1b2128;border:1px solid #303740;border-radius:9px}.motions button.selected{border-color:#9ac96b;background:#263020}.motions button>span{display:block;font-size:22px;font-weight:300;margin-bottom:9px;color:#c1d4b3}.motions b{display:block;font-size:10px;font-weight:500}.motions small{font-size:8px;color:#85917d;display:block;margin-top:5px}input[type=range]{accent-color:var(--accent);width:100%;height:4px;cursor:pointer;margin:10px 0}.range-labels{display:flex;justify-content:space-between;color:#737e89;font-size:9px;margin-top:6px}.two-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:23px}.two-fields label{font-size:11px;color:#bfc7cf}select{display:block;margin-top:10px;width:100%;padding:10px;background:#0f141a;color:#d7e0d0;border:1px solid #343c44;border-radius:7px;font-size:12px}.tip{display:flex;gap:10px;margin-top:21px;border-top:1px solid var(--line);padding-top:16px}.tip>span{color:var(--accent);font-size:19px}.tip p{margin:0;font-size:10px;color:#b5c3a9}.tip small{font-size:9px;color:#778575}.export-panel h3{font-size:15px;font-weight:500;margin:0 0 5px}.export-panel>div>span{font-size:9px;color:#84907c;letter-spacing:.6px}i{font-style:normal}.export-panel i{padding:0 6px}.export-panel .primary{width:100%;margin-top:17px;text-align:left;display:flex;justify-content:space-between}.export-panel p{font-size:10px;margin:13px 0 0;overflow-wrap:anywhere}#download{display:block;margin-top:14px;color:var(--accent);font-size:12px}#download[hidden],progress[hidden],.loading[hidden]{display:none}progress{width:100%;height:5px;margin-top:14px;accent-color:var(--accent)}footer{display:flex;justify-content:space-between;margin-top:25px;font-size:10px;color:#61705f}footer i{padding:0 10px}.loading{position:absolute;inset:0;z-index:3;background:#0b1017eb;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:16px}.loading b{font-size:15px;font-weight:500}.loading span{font-size:11px;color:var(--muted)}.spinner{height:36px;width:36px;border:2px solid #33412d;border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(min-width:1500px){.stage{min-height:480px}}@media(max-width:1050px){.workspace{grid-template-columns:minmax(0,1fr) 290px;gap:16px}.panel,.export-panel{padding:18px}.header-center,.step{display:none}.viewer-top{padding:0 13px}.tag{display:none}h1{font-size:28px}}@media(max-width:760px){header{height:72px}.local{font-size:9px}main{padding-top:25px}.workspace{grid-template-columns:1fr}.stage{min-height:330px}aside{display:grid;grid-template-columns:1fr}.intro{margin-bottom:22px}.transport{padding:15px}.loop{display:none}footer{font-size:9px;gap:15px}.panel-heading h2{margin-bottom:18px}}


.advanced{border-top:1px solid var(--line);margin-top:22px;padding-top:16px}
.advanced summary{cursor:pointer;font-size:12px;color:#d1dbc9;user-select:none}
.advanced .field-title{margin-top:18px}
.parameter-help{font-size:9px;line-height:1.7;margin:14px 0 10px}
.reset-settings{background:transparent;color:#b7c8ac;border:1px solid #37432f;border-radius:6px;padding:8px 12px;font-size:10px;width:100%}
@media(min-width:761px){.viewer{align-self:start;position:sticky;top:20px}.stage{min-height:450px}}