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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.container {
    width: 100%;
    max-width: 800px;
    text-align: center;
}

.content {
    background: transparent;
    border-radius: 20px;
    padding: 60px 40px;
}

.logo-container {
    background: #ffffff;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 40px;
    display: inline-block;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.logo {
    max-width: 200px;
    width: 100%;
    height: auto;
    display: block;
}

.message {
    font-size: 24px;
    color: #ffffff;
    font-weight: 500;
    line-height: 1.6;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    margin-bottom: 10px;
}

.sub-message {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.75);
    font-weight: 400;
    line-height: 1.6;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .content {
        padding: 40px 30px;
        border-radius: 15px;
    }
    
    .logo-container {
        padding: 25px;
        margin-bottom: 30px;
    }
    
    .logo {
        max-width: 150px;
    }
    
    .message {
        font-size: 20px;
    }
    
    .sub-message {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 15px;
    }
    
    .content {
        padding: 30px 20px;
        border-radius: 12px;
    }
    
    .logo-container {
        padding: 20px;
        margin-bottom: 25px;
    }
    
    .logo {
        max-width: 120px;
    }
    
    .message {
        font-size: 18px;
    }
    
    .sub-message {
        font-size: 14px;
    }
}