*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;background:linear-gradient(135deg,#ffecd2,#fcb69f);min-height:100vh;padding:12px;font-size:14px}#app{max-width:1100px;margin:0 auto;transform:scale(.8);transform-origin:top center}.header{text-align:center;margin-bottom:20px;color:#333}.header h1{font-size:1.6rem;color:#ff9500;margin-bottom:6px;font-weight:700}.header p{font-size:.85rem;color:#666}.lego-icons{display:flex;justify-content:center;gap:15px;margin:20px 0}.lego-icon{width:40px;height:40px;border-radius:8px;box-shadow:0 4px 8px #00000026}.main-content{display:grid;grid-template-columns:1fr 1.5fr;gap:25px;margin-bottom:30px}.input-section,.result-section{background:#fff;border-radius:16px;padding:30px;box-shadow:0 8px 24px #0000001a}.section-title{font-size:1.4rem;font-weight:600;margin-bottom:20px;display:flex;align-items:center;gap:10px}.input-group{margin-bottom:20px}.input-group label{display:block;margin-bottom:10px;font-weight:500;color:#333;font-size:1.1rem}.input-group textarea{width:100%;padding:15px;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;resize:vertical;min-height:80px;font-family:inherit}.input-group textarea:focus{outline:none;border-color:#ff9500}.generate-btn{width:100%;padding:15px;background:linear-gradient(135deg,#ff9500,#ff6b00);color:#fff;border:none;border-radius:10px;font-size:1.2rem;font-weight:600;cursor:pointer;transition:transform .2s}.generate-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #ff950066}.generate-btn:disabled{opacity:.6;cursor:not-allowed}.tip{margin-top:12px;font-size:.9rem;color:#999;line-height:1.5}.result-image{width:100%;border-radius:12px;margin-bottom:20px;box-shadow:0 4px 15px #00000026}.parts-list{background:#f8f9fa;border-radius:12px;padding:20px}.parts-list h3{margin-bottom:15px;color:#333;font-size:1.2rem}.part-item{display:flex;align-items:center;justify-content:space-between;padding:12px;background:#fff;border-radius:8px;margin-bottom:10px;box-shadow:0 2px 6px #00000014}.part-info{display:flex;align-items:center;gap:12px}.part-icon{width:32px;height:32px;border-radius:6px}.part-details{flex:1}.part-name{font-weight:600;color:#333;font-size:1rem}.part-size{font-size:.9rem;color:#666;margin-top:2px}.part-quantity{font-weight:600;color:#ff9500;font-size:1.1rem}.examples-section{background:#fff;border-radius:16px;padding:30px;box-shadow:0 8px 24px #0000001a}.examples-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:20px}.example-card{border-radius:12px;overflow:hidden;box-shadow:0 4px 12px #0000001a;transition:transform .2s;cursor:pointer}.example-card:hover{transform:translateY(-5px);box-shadow:0 6px 20px #00000026}.example-image{width:100%;height:150px;object-fit:cover}.example-content{padding:15px}.example-title{font-weight:600;margin-bottom:8px;color:#333;font-size:1.1rem}.example-description{font-size:.95rem;color:#666;line-height:1.5}.loading{text-align:center;padding:50px;color:#666}.loading p{font-size:1.1rem}.error{background:#fee;color:#c33;padding:15px;border-radius:8px;margin-bottom:20px;font-size:1rem}.empty-state{text-align:center;padding:60px 30px;color:#999}.empty-state-icon{font-size:4rem;margin-bottom:20px}.empty-state p{font-size:1.1rem}@media (max-width: 768px){body{padding:15px;font-size:14px}.main-content{grid-template-columns:1fr}.header h1{font-size:2rem}.header p{font-size:1rem}.section-title{font-size:1.2rem}.input-section,.result-section,.examples-section{padding:20px}}