/* 全局样式 */
*{
    margin: 0px;
    padding: 0px;
    list-style: none;
    text-decoration: none;
    font-family: '微软雅黑'
}
a{
    color: black;
}
/* 头部样式 */
html,
body{
    height: 100%;
    width: 100%;
    overflow-y: auto;
    overflow-x: hidden
}
.logo{
    height: 80px;
}
.logo img{
    height: 50px
}
.header{
    background-color: white;
    z-index: 99;
    position:fixed;
    width: 100vw;
    min-width: 1200px;
    height: 80px;
    display: flex;
    justify-content: space-around;
    line-height: 80px;
    font-size: 14PX;
    box-shadow: 1px 5px 10px grey;
}
.nav ul{
    display: flex
}
.nav ul li{
    margin-right: 30px;
    cursor: pointer;
}
.nav ul li:hover{
    color: rgb(51, 153, 254);
}
.nav ul li a:hover{
    color: rgb(51, 153, 254);
}
.down{
    width: 15px;
    height: 15px;
}
.more div{
    display: inline-block;
}
.home-alert-box1,
.home-alert-box2,
.home-alert-box3,
.home-alert-box{
    display: none;
    width: 100vw;
    background-color: white;
    position: absolute;
    top: 80px;
    box-sizing: border-box;
    height: 100px;
    z-index: 99;
    border-top: 1px solid #ccc;
}

.home-alert{
    height:98px;
    width: 1200px;
    min-width: 1200px;
    background-color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: absolute;
    left: calc(50% - 600px);
    padding-bottom: 60px
}
.home-alert img{
    height: 40px;
    position: relative;
    top: 15px;
}