/* 自定义样式文件 */

/* 返回顶部按钮样式 */
#ui-to-top {
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: #333;
    color: #fff;
    text-align: center;
    line-height: 50px;
    font-size: 24px;
    cursor: pointer;
    z-index: 9999;
    transition: all 0.3s ease;
}

#ui-to-top:hover {
    background-color: #555;
    transform: translateY(-3px);
}

#ui-to-top.active {
    display: block !important;
}

/* 移动端响应式 */
@media only screen and (max-width: 767px) {
    #ui-to-top {
        bottom: 20px !important;
        right: 20px !important;
        width: 40px !important;
        height: 40px !important;
        line-height: 40px !important;
        font-size: 20px !important;
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
        z-index: 9999 !important;
        pointer-events: auto !important;
    }
    
    #ui-to-top.active {
        display: block !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
}