NEW_FILE_CODE
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.container {
    text-align: center;
    background: rgba(255, 255, 255, 0.95);
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
    max-width: 600px;
    width: 90%;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.title {
    font-size: 2.5em;
    color: #333;
    margin-bottom: 10px;
    font-weight: bold;
}

.subtitle {
    font-size: 1.8em;
    color: #667eea;
    margin-bottom: 20px;
    font-weight: bold;
}

.message {
    font-size: 1.2em;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.6;
}

.countdown {
    font-size: 1.5em;
    color: #667eea;
    font-weight: bold;
    margin-bottom: 30px;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 30px;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    width: 0%;
    transition: width 1s linear;
    border-radius: 4px;
}

.skip-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 30px;
    font-size: 1.1em;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    margin-bottom: 20px;
}

.skip-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.skip-btn:active {
    transform: translateY(0);
}

.logo {
    font-size: 3em;
    margin-bottom: 10px;
    color: #667eea;
}

.instructions {
    text-align: left;
    background: #f8f9fa;
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
    font-size: 0.9em;
}

.instructions h3 {
    color: #333;
    margin-bottom: 10px;
    text-align: center;
}

.instructions ul {
    padding-left: 20px;
}

.instructions li {
    margin-bottom: 8px;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .container {
        padding: 30px 20px;
        margin: 20px;
    }
    
    .title {
        font-size: 2em;
    }
    
    .subtitle {
        font-size: 1.5em;
    }
    
    .message {
        font-size: 1em;
    }
    
    .countdown {
        font-size: 1.3em;
    }
    
    .instructions {
        font-size: 0.85em;
    }
}