/* 背景样式文件 */
body {
    background: linear-gradient(135deg, #e8f5e8 0%, #f0f8f0 25%, #f5f9f5 50%, #fafcfa 75%, #ffffff 100%);
    background-attachment: fixed;
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* 背景动画 */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 容器背景 */
.container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    margin-top: 20px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(139, 195, 74, 0.1);
}

/* 移动端背景优化 */
@media (max-width: 767px) {
    body {
        background-attachment: scroll;
    }
    
    .container {
        margin-top: 10px;
        margin-bottom: 10px;
        border-radius: 16px;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    body {
        background: linear-gradient(135deg, #1a2e1a 0%, #2d4a2d 25%, #3a5a3a 50%, #4a6a4a 75%, #5a7a5a 100%);
    }
    
    .container {
        background: rgba(0, 0, 0, 0.2);
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    }
}