@media screen and (max-width:700px) {
    body {
        min-width: 100%;
    }
    .main-nav {
        display: none;
    }
    #header {
        width: 100%;
        max-width: 790px;
        height: 60px;
        padding: 0 20px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: #fff;
        box-shadow: 0 0 10px rgb(0 0 0 / 10%);
        position: fixed;
        left: 50%;
        top: 0;
        transform: translateX(-50%);
        z-index: 9999;
        box-sizing: border-box;
    }
    .header .container {
        position: static;
    }
    .header .container {
        display: contents;
    }
    .container {
        width: 100%;
    }
    .logo {
        float: none;
        margin: 0;
        display: block;
    }
    .header .toggle {
        display: block;
    }
    .toggle {
        width: 30px;
        height: 24px;
        position: relative;
        z-index: 6;
    }
    .htel {
        height: 80px;
        float: right;
        line-height: 80px;
        font-size: 17px;
        color: white;
        padding-left: 26px;
        font-weight: bold;
    }
    .nav {
        /* width: 240px; */
        background: #445268;
        height: 100vh;
        padding: 56px 0 20px 0;
        position: fixed;
        right: 0;
        top: 0;
        z-index: 5;
        transform: translateX(100%);
        opacity: 0;
        transition: transform .4s, opacity .4s;
        margin: 0;
        float: right;
    }
    #header .logo img {
        height: 38px;
    }
    .toggle i:nth-of-type(1) {
        top: 0;
    }
    .toggle i:nth-of-type(2) {
        top: 10px;
    }
    .toggle i:nth-of-type(3) {
        top: 20px;
    }
    .toggle i {
        display: block;
        width: 30px;
        height: 4px;
        background: #514a7c;
        position: absolute;
        left: 0;
        transition: all ease .35s;
    }
    .nav .m_nav {
        display: block!important;
    }
    .nav>.m_nav {
        height: 100%;
        margin: 0 auto;
        position: relative;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    .nav>.m_nav>li:first-child {
        border-top: 0 none;
    }
    .nav>.m_nav li {
        border-top: 1px solid #313d52;
        margin: 0 20px;
        line-height: 40px;
        font-size: 14px;
        position: relative;
    }
    .nav .m_nav li a {
        height: 60px;
        line-height: 60px;
        display: block;
        padding-right: 30px;
        font-size: 16px;
        color: #fff;
    }
    .nav.open {
        transform: translateX(0);
        opacity: 1;
    }
    .toggle.on i:nth-of-type(1) {
        top: 8px;
        transform: rotate( 45deg);
    }
    .toggle.on i:nth-of-type(2) {
        width: 0;
    }
    .toggle.on i:nth-of-type(3) {
        top: 8px;
        transform: rotate( -45deg);
    }
    .toggle.on i {
        background: #fff;
    }
    .page-footer .footer-container {
        width: 100%;
        padding: 20px;
        box-sizing: border-box;
    }
    .contact-address {
        margin-top: 20px;
    }
    .page-footer .copyright-info {
        margin-top: 0;
        height: 100px;
    }
    .pclogo {
        display: none;
    }
    #h60 {
        display: block!important;
    }
    .fd_footer {
        box-sizing: border-box;
        background: none;
        position: fixed;
        bottom: 10px;
        z-index: 1000001;
        max-width: 780px;
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
    }
    .fd_footer .bt {
        width: 44%;
        margin: 0 1%;
        text-align: center;
        height: 43px;
        margin-top: 5px;
        line-height: 42px;
        display: block;
        border-radius: 50px;
    }
    .fd_footer .bt2 {
        background: #1aad19;
    }
    .fd_footer .bt a {
        color: #fff !important;
        padding-left: 34px;
        font-size: 18px;
    }
    .fd_footer .bt2 a {
        background: url(../images/kefu.png) no-repeat;
        background-size: 28px;
        background-position: 2px -1.5px;
    }
    .fd_footer .bt1 {
        background: #FD4C5A;
    }
    .fd_footer .bt1 a {
        background: url(../images/phone2.png) no-repeat;
        background-size: 20px;
        background-position: 6px 2.5px;
    }
    .weixin_footer {
        width: 100%;
        height: 55%;
        background: #fff;
        position: fixed;
        bottom: 0;
        left: 0;
        text-align: center;
        overflow-y: auto;
        z-index: 103;
        display: none;
        padding-bottom: 20px;
    }
    .weixin_footer b {
        background: #e5e5e5;
        display: block;
        color: #555;
        width: 100%;
        height: 36px;
        line-height: 36px;
        font-size: 14px;
        font-weight: 100;
    }
    .weixin_footer .wechat {
        border-bottom: 1px solid #ececec;
        padding-bottom: 20px;
    }
    .weixin_footer .title {
        font-weight: bold;
        line-height: 25px;
    }
    .weixin_footer .number_weixin {
        line-height: 25px;
        position: relative;
        overflow: hidden;
    }
    .weixin_footer .number_weixin .in {
        position: absolute;
        left: -9999px;
        top: 9999px;
    }
    .weixin_footer button {
        background-color: #1aad19;
        border: none;
        color: #ffffff;
        margin-top: 10px;
        display: inline-block;
        margin-bottom: 0;
        font-weight: normal;
        text-align: center;
        vertical-align: middle;
        touch-action: manipulation;
        cursor: pointer;
        background-image: none;
        border: 1px solid transparent;
        white-space: nowrap;
        padding: 6px 12px;
        font-size: 12px;
        line-height: 1.42857143;
        border-radius: 3px;
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;
    }
    .chenggong {
        position: absolute;
        display: none;
        top: 10%;
        left: 38%;
        width: 100px;
        height: 40px;
        border-radius: 5px;
        background-color: rgb(0, 0, 0, 0.5);
        color: white;
        line-height: 40px;
        text-align: center;
    }
}

@media screen and (min-width:700px) {
    .header {
        display: none;
    }
    .mlogo,
    .fd_footer {
        display: none;
    }
}