:root{font-family:Microsoft YaHei,Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark;color:#ffffffde;background-color:#0a0a0a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-width:100vw;min-height:100vh;overflow:hidden}#app{width:100vw;height:100vh;position:relative;display:flex}#ui-container{position:absolute;top:0;left:0;width:350px;height:100vh;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-right:1px solid rgba(255,255,255,.1);padding:20px;z-index:1000;overflow-y:auto}#ui-container h1{color:#64ffda;font-size:1.5rem;margin-bottom:30px;text-align:center;border-bottom:2px solid #64ffda;padding-bottom:10px}#controls{display:flex;flex-direction:column;gap:25px}.control-group{background:#ffffff0d;border-radius:10px;padding:20px;border:1px solid rgba(255,255,255,.1)}.control-group h3{color:#fff;font-size:1.1rem;margin-bottom:15px;text-align:center}button{width:100%;border-radius:8px;border:1px solid #64ffda;padding:12px 20px;font-size:.9rem;font-weight:500;font-family:inherit;background:linear-gradient(135deg,#1a1a1a,#2a2a2a);color:#64ffda;cursor:pointer;transition:all .3s ease;margin-bottom:10px}button:hover{background:linear-gradient(135deg,#64ffda,#4fc3f7);color:#000;transform:translateY(-2px);box-shadow:0 5px 15px #64ffda4d}button:active{transform:translateY(0)}input[type=text]{width:100%;padding:12px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:#ffffff0d;color:#fff;font-family:inherit;font-size:.9rem;margin-bottom:10px;transition:border-color .3s ease}input[type=text]:focus{outline:none;border-color:#64ffda;box-shadow:0 0 10px #64ffda4d}input[type=text]::placeholder{color:#ffffff80}#canvas-container{position:absolute;top:0;left:350px;width:calc(100vw - 350px);height:100vh;background:linear-gradient(135deg,#0a0a0a,#1a1a2e,#16213e)}#help-panel{background:#ffffff0d;border-radius:10px;padding:20px;border:1px solid rgba(255,255,255,.1);margin-top:20px}#help-panel h3{color:#64ffda;margin-bottom:15px;font-size:1.1rem}#help-panel ul{list-style:none;padding:0}#help-panel li{margin:8px 0;padding:5px 0;border-bottom:1px solid rgba(255,255,255,.1);font-size:.9rem;line-height:1.4}#help-panel li:last-child{border-bottom:none}#help-panel strong{color:#64ffda}.loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#64ffda;font-size:1.2rem}@media (max-width: 768px){#ui-container{width:100vw;height:auto;position:relative}#canvas-container{left:0;width:100vw;height:60vh}}