/*左边联系站长 css 开始*/
.contact-help{
 position: fixed;
 z-index: 101;
 left: 0;
 top: calc(50% - 50px);
 margin-top: -36px;
 width: 28px;
 height: 100px;
 transition: all .3s;
 font-size: 16px;
 background: rgba(220, 220, 220, 0.8);
 border-top-right-radius: 6px;
 border-bottom-right-radius: 6px;
 padding-left: 8px;
 line-height: 22px;
/* 使用Flexbox实现垂直居中 */
 display: flex;
 align-items: center;
 justify-content: center;
/* 添加右侧和下方的阴影 */
 box-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

/* 鼠标悬停时改变背景颜色 */
.contact-help:hover {
 background: rgb(255, 220, 0);
}

@media screen and (max-width: 768px){
 .contact-help{
    display:none;
 }
}
/*左边联系站长 css 结束*/