* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Microsoft YaHei', sans-serif;
            overflow: hidden;
            background: linear-gradient(to bottom, #0a0c2d, #00011d);
            height: 100vh;
            color: #fff;
        }
        
        #canvas-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }
        
        .header {
            position: relative;
            z-index: 10;
            text-align: center;
            padding: 20px 0;
            background: rgba(0, 2, 29, 0.5);
            box-shadow: 0 0 30px rgba(0, 195, 255, 0.3);
            backdrop-filter: blur(5px);
        }
        
        h1 {
            font-size: 48px;
            background: linear-gradient(to right, #4eafff, #00d8ff, #b34cff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 0 20px rgba(110, 210, 255, 0.7);
            margin-bottom: 10px;
            letter-spacing: 2px;
            animation: glow 2s infinite alternate;
        }
        
        h2 {
            color: #aadcff;
            font-size: 22px;
            font-weight: normal;
            letter-spacing: 4px;
        }
        
        .controls {
            position: absolute;
            bottom: 20px;
            left: 0;
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            z-index: 10;
        }
        
        .selection-area {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .selection-area label {
            margin-right: 15px;
            color: #aadcff;
            font-size: 18px;
        }
        
        .number-selector {
            display: flex;
            gap: 15px;
        }
        
        .number-option {
            background: rgba(32, 35, 110, 0.5);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.3s ease;
            font-size: 18px;
            font-weight: bold;
        }
        
        .number-option:hover {
            background: rgba(78, 175, 255, 0.3);
            transform: scale(1.1);
        }
        
        .number-option.selected {
            background: rgba(0, 217, 255, 0.8);
            box-shadow: 0 0 15px rgba(0, 217, 255, 0.7);
            border: 2px solid white;
        }
        
        #pick-btn {
            background: linear-gradient(to right, #0077ff, #00ccff);
            color: white;
            font-size: 24px;
            font-weight: bold;
            border: none;
            border-radius: 50px;
            padding: 12px 50px;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(0, 170, 255, 0.5);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            margin-bottom: 20px;
        }
        
        #pick-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 0 30px rgba(0, 170, 255, 0.8);
        }
        
        #pick-btn:active {
            transform: translateY(2px);
        }
        
        #result-container {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 20;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            pointer-events: none;
        }
        
        .selected-name {
            font-size: 46px;
            font-weight: bold;
            color: #fff;
            text-shadow: 
                0 0 10px #00eeff, 
                0 0 20px #00bbff, 
                0 0 30px #0066ff;
            padding: 15px 40px;
            border-radius: 10px;
            background: rgba(0, 51, 102, 0.6);
            backdrop-filter: blur(5px);
            animation: float 3s ease-in-out infinite;
            transform: scale(1.5);
            transition: all 0.5s ease-out;
            display: none;
            position: absolute;
            white-space: nowrap;
            box-shadow: 0 0 30px rgba(0, 170, 255, 0.5);
        }
        
        .file-upload {
            position: absolute;
            bottom: 120px;
            left: 20px;
            z-index: 100;
            background: rgba(15, 25, 70, 0.6);
            padding: 15px;
            border-radius: 10px;
            display: flex;
            flex-direction: column;
            align-items: center;
            box-shadow: 0 0 15px rgba(0, 195, 255, 0.4);
            backdrop-filter: blur(5px);
        }
        
        .file-upload label {
            color: #a0dcff;
            margin-bottom: 10px;
            font-size: 16px;
        }
        
        .file-upload input[type="file"] {
            color: #d4f0ff;
            font-size: 14px;
            background: rgba(32, 64, 128, 0.4);
            padding: 8px 15px;
            border-radius: 5px;
            border: 1px solid #4eafff;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .file-upload input[type="file"]:hover {
            background: rgba(32, 64, 128, 0.6);
        }
        
        #version {
            position: absolute;
            bottom: 10px;
            right: 20px;
            color: #5599dd;
            font-size: 12px;
            z-index: 100;
        }
        
        @keyframes glow {
            from {
                text-shadow: 0 0 10px rgba(110, 210, 255, 0.7);
            }
            to {
                text-shadow: 0 0 25px rgba(110, 210, 255, 1), 0 0 35px rgba(110, 210, 255, 0.8);
            }
        }
        
        @keyframes float {
            0%, 100% {
                transform: translateY(0) scale(1.5) rotate(0deg);
                box-shadow: 0 0 30px rgba(0, 170, 255, 0.5);
            }
            50% {
                transform: translateY(-20px) scale(1.6) rotate(2deg);
                box-shadow: 0 0 40px rgba(0, 217, 255, 0.8);
            }
        }
        
        @keyframes pulse {
            0%, 100% {
                opacity: 0.9;
                transform: scale(1);
            }
            50% {
                opacity: 1;
                transform: scale(1.1);
            }
        }
        
        /* 星星效果 */
        #stars-container {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 2;
        }
        
        .star {
            position: absolute;
            background-color: white;
            border-radius: 50%;
            pointer-events: none;
            animation: twinkle var(--duration, 3s) infinite ease-in-out;
        }
        
        @keyframes twinkle {
            0%, 100% {
                opacity: 0.1;
            }
            50% {
                opacity: 1;
            }
        }