/* 渐变色滚动动画 */
@-webkit-keyframes Gradient {
    0% {
        background-position: 0 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0 50%;
    }
}

@-moz-keyframes Gradient {
    0% {
        background-position: 0 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0 50%;
    }
}

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

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0 50%;
    }
}

#footer {
    background: linear-gradient(-45deg, #2e3740, #3b4a5e, #665c78, #7d5a52, #4a4a4a, #1e293b);
    background-size: 600% 600%; /* 增加背景尺寸以适应更多的颜色 */
    -webkit-animation: Gradient 15s ease infinite; /* 调整动画时长以更好地展示所有颜色 */
    -moz-animation: Gradient 15s ease infinite;
    animation: Gradient 15s ease infinite;
    -o-user-select: none;
    -ms-user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    user-select: none;
    border-top-left-radius: 20px;
    border-top-right-radius: 20px;
}
#footer:before {
    background-color: rgba(0, 0, 0, 0);
}