* {
    box-sizing: border-box;
}

body,p,a {
    margin: 0
}

a:link {
    color: #000;
    text-decoration: none
}

a:visited {
    text-decoration: none;
    color: #000
}

a:hover {
    text-decoration: underline;
    color: #000
}

a:active {
    text-decoration: none;
    color: #000
}

.wrap {
    width: 70%;
    margin: 0 auto
}

.header {
    text-align: left;
    border-bottom: 1px solid #9a9a9a;
}

.header img {
    width: 212px;
    height: 62px;
    
}

.gzh {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.gzh .item {
    display: flex;
    width: 15%;
    height:auto;
    margin-top: 20px;
    flex-direction: column;
    align-items: center;
}

.gzh .item img {
    width:200px;
    height: 200px;
    border: 1px solid #cccccc;
}

.gzh .item p {
    text-align: center;
    font-size: 16px
}

.footer {
    border-top: 1px solid #9a9a9a;
    text-align: center;
    margin-top: 30px;
    padding-top: 14px
}

.footer p {
    margin-top: 4px
}
@media screen and (max-width:1680px){
    .gzh .item img{
         width:180px;
        height: 180px;
    }
}

@media screen and (max-width:1480px) {
    .gzh .item {
        width: 30%;
    }
    .gzh .item img {
    width:auto;
    height: auto;
   
}
}
@media screen and (max-width:1152px){
    .gzh .item {
        width: 48%;
    }
}

@media screen and (max-width:768px) {
    .wrap {
        width: 90%;
    }
     .gzh .item img{
         width:180px;
        height: 180px;
    }
}

@media screen and (max-width:480px) {
    .header {
    text-align: center;
}
    .header img {
        width: 180px;
        height:auto;
    }
}
@media screen and (max-width:400px){
     .gzh .item {
        width: 90%;
    }
}