.tel_div{
    width: 100%;
    height: 60px;
    background-color: #252525;
    display: flex;
    justify-content: center;
    align-items: center;
}
.tel_div img{
   width: 66%;
}
#contacts{
    background-color: #1a1a1a;
}
#companyjianjie{
    width: 100%;
    margin-bottom: 20px;
}
.saoyi{
    display: block;
    margin-block-start: 1em;
    margin-block-end: 1em;
    margin-inline-start: 0px;
    margin-inline-end: 0px;
}