* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', sans-serif;
        }
        
        body {
            overflow: hidden;
            background: linear-gradient(135deg, #001a33 0%, #000d1a 100%);
            color: #fff;
            min-height: 100vh;
            position: relative;
        }
        
        #starCanvas {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
        }
        
        .header {
            text-align: center;
            padding: 20px 0;
            position: relative;
            z-index: 10;
        }
        
        .main-title {
            font-size: 2.8rem;
            font-weight: bold;
            margin-bottom: 5px;
            text-shadow: 0 0 20px rgba(0, 200, 255, 0.8),
                         0 0 40px rgba(0, 150, 255, 0.6);
            background: linear-gradient(to right, #4facfe, #00f2fe);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }
        
        .sub-title {
            font-size: 1.2rem;
            color: #a0d7ff;
            opacity: 0.9;
            margin-bottom: 30px;
        }
        
        .container {
            display: flex;
            flex-direction: column;
            align-items: center;
            position: relative;
            z-index: 10;
            min-height: 60vh;
        }
        
        .control-panel {
            background: rgba(0, 20, 40, 0.7);
            border-radius: 15px;
            padding: 25px;
            width: 90%;
            max-width: 600px;
            margin: 20px auto;
            border: 1px solid rgba(0, 150, 255, 0.3);
            box-shadow: 0 0 30px rgba(0, 100, 200, 0.2);
            backdrop-filter: blur(10px);
        }
        
        .file-upload {
            margin-bottom: 20px;
            text-align: center;
        }
        
        .file-label {
            display: block;
            margin-bottom: 10px;
            font-size: 1.1rem;
            color: #a0d7ff;
        }
        
        .file-input {
            width: 100%;
            padding: 10px;
            border: 1px dashed rgba(0, 150, 255, 0.5);
            border-radius: 8px;
            background: rgba(0, 30, 60, 0.5);
            color: #fff;
            margin-bottom: 15px;
        }
        
        .file-content {
            margin-top: 15px;
            padding: 10px;
            border: 1px solid rgba(0, 150, 255, 0.3);
            border-radius: 8px;
            background: rgba(0, 30, 60, 0.3);
            max-height: 150px;
            overflow-y: auto;
            font-size: 0.9rem;
        }
        
        .selection-panel {
            display: flex;
            justify-content: space-between;
            margin: 25px 0;
            align-items: center;
        }
        
        .num-select {
            background: rgba(0, 30, 60, 0.5);
            color: #fff;
            border: 1px solid rgba(0, 150, 255, 0.5);
            border-radius: 8px;
            padding: 8px 15px;
            font-size: 1rem;
            outline: none;
        }
        
        .draw-button {
            background: linear-gradient(45deg, #0072ff, #00c6ff);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 15px 40px;
            font-size: 1.5rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 114, 255, 0.4);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .draw-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 114, 255, 0.6);
        }
        
        .draw-button:active {
            transform: translateY(1px);
        }
        
        .result-container {
            text-align: center;
            margin: 20px 0;
            min-height: 200px;
            position: relative;
        }
        
        .selected-name {
            font-size: 3.5rem;
            font-weight: bold;
            margin: 20px 0;
            text-shadow: 0 0 20px rgba(0, 200, 255, 0.8),
                         0 0 40px rgba(0, 150, 255, 0.6);
            background: linear-gradient(to right, #4facfe, #00f2fe);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
            z-index: 20;
            animation: glow 1.5s infinite alternate;
        }
        
        @keyframes glow {
            from {
                text-shadow: 0 0 10px rgba(0, 200, 255, 0.8),
                             0 0 20px rgba(0, 150, 255, 0.6);
            }
            to {
                text-shadow: 0 0 30px rgba(0, 200, 255, 1),
                             0 0 60px rgba(0, 150, 255, 0.8),
                             0 0 80px rgba(0, 100, 255, 0.6);
            }
        }
        
        .history-title {
            font-size: 1.3rem;
            color: #a0d7ff;
            margin-bottom: 15px;
            text-align: center;
        }
        
        .history-container {
            background: rgba(0, 20, 40, 0.5);
            border-radius: 10px;
            padding: 15px;
            max-height: 200px;
            overflow-y: auto;
            border: 1px solid rgba(0, 150, 255, 0.2);
        }
        
        .history-item {
            padding: 8px 15px;
            margin: 5px 0;
            background: rgba(0, 50, 100, 0.3);
            border-radius: 5px;
            border-left: 3px solid #00c6ff;
            animation: fadeIn 0.5s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .floating-name {
            position: absolute;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.5rem;
            pointer-events: none;
            z-index: 5;
            text-shadow: 0 0 10px rgba(0, 200, 255, 0.8);
            animation: float linear infinite;
        }
        
        .version {
            position: absolute;
            bottom: 15px;
            left: 15px;
            font-size: 0.9rem;
            color: rgba(160, 215, 255, 0.6);
            z-index: 10;
        }
        
        .laser-beam {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(to right, transparent, #00c6ff, transparent);
            box-shadow: 0 0 10px 2px rgba(0, 198, 255, 0.7);
            transform-origin: left;
            z-index: 15;
            opacity: 0;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .main-title {
                font-size: 2.2rem;
            }
            
            .selected-name {
                font-size: 2.5rem;
            }
            
            .draw-button {
                font-size: 1.2rem;
                padding: 12px 30px;
            }
        }