.header {
    width: 100%;
    height: auto;
    display: inline-block;
    padding: 22px 0;
    position: unset;
}
.banner{
    width: 100%;
    height: auto;
    display: inline-block;
}
.banner img{
    width: 100%;
}


.pro-nav {
    width: 100%;
    height: auto;
    display: inline-block;
    background: #f8f8f8;
    padding: 1% 0;
    margin-top: -4px;
}

.pn-left {
    float: left;
    width: 30%;
}

.pn-left img {
    float: left;
    width: 6%;
    margin-right: 2%;
    margin-top: 1px;
}

.pn-left a {
    color: #707070;
    font-size: 16px;
}

.pn-right {
    float: right;
}

.pn-right ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.pn-right li {
    display: inline-block;
    margin-left: 30px;
}

.pn-right li a {
    font-size: 18px;
    font-weight: bold;
}
.case-box ul {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 3%;
}
.case-box li{
    width: 23%;
    float: left;
    margin-right: 2.6%;
    margin-bottom: 2%;
}
.case-box li img{
    width: 100%;
    height: 265px;
    display: inline-block;
}
.case-box li p{
    text-align: center;
    font-size: 15px;
}
.case-box li:nth-child(4n) {
    margin-right: 0;
}
.footer {
    width: 100%;
    height: auto;
    display: inline-block;
    position: relative;
    background-image: url(../images/footer.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    padding: 5% 0;
    padding-bottom: 4%;
    margin-top: 5%;
}
.f-left {
    float: left;
    margin-top: 0%;
    width: 25%;
}
.f-center {
    width: 45%;
    float: left;
    margin-left: 5%;
    margin-top: 0%;
}
.f-right {
    float: right;
    margin-top: 0%;
}
@media screen and (max-width: 1024px) and (min-width: 0px) {
        .header {
        display: none;
    }
    .banner {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 11%;
}
.pn-left {
    float: left;
    width: 100%;
    margin-top: 2%;
}
.pn-right {
    float: right;
    display: none;
}
.title_news {
    font-size: 24px;
}
.f-left {
    float: left;
    margin-top: 0%;
    width: 100%;
}
.f-logo {
    width: 100%;
    margin-bottom: 1%;
}
.f-right {
    float: none;
    text-align: center;
    margin: 0 auto;
    display: block;
}
.f-right img {
    text-align: center;
    margin: 0 auto;
}
.f-right p {
    text-align: center;
    font-size: 15px;
    color: #fff;
    margin-top: 4%;
}
.case ul {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 9%;
}
.case li {
    width: 49%;
    float: left;
    margin-right: 1%;
    margin-bottom: 2%;
}
.case li img {
    width: 100%;
    height: 113px;
    display: inline-block;
}
.case li p {
    text-align: center;
    font-size: 12px;
}
}