.face{
    width: 100%;
    min-width: 1200px;
    overflow: hidden;
}
.face .big-banner img{
    width: 100%;
}
.face .box ul{
    display: flex;
    flex-wrap: wrap;
    margin: 30px 0;
    justify-content: center;
}
.face .box ul li{
    width: 240px;
    margin: 0 10px 30px;
    filter: grayscale(100%);
    filter: gray;
    transition: all .5s;
}
.face .box ul li a{
    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: 20px;
    color: #333333;
    border: 1px solid #ebebeb;
}
.face .box ul li:hover{
    filter: none;
}
.face .box ul li img{
    width: 120px;
    transition: all .5s;
    transform: rotate(0);
}
.face .box ul li:hover a>img{
    transform: rotateY(180deg);
}
.face .box ul li p{
    font-size: 18px;
    line-height: 30px;
}
.face .box ul li span{
    width: 100%;
    height: 60px;
    background: #ebebeb;
    display: flex;
    justify-content: center;
    align-items: center;
}
.face .box ul li span img{
    width: 30px;
}

/* 子页样式 */