@media screen and (min-width:768px) {
    .w12 {
        width: 1200px;
        margin: 0 auto;
    }

    /* head */
    .head .top {
        height: 32px;
        background: #3d3e40;
        margin: 0 auto 20px;
    }

    .head .top .fl {
        float: left;
        line-height: 32px;
        font-size: 12px;
        color: #fff;
    }

    .head .top .fr {
        float: right;
        line-height: 32px;
        font-size: 12px;
        color: #fff;
    }

    .head .top .fr a {
        color: #fff;
    }

    .head .logo {
        float: left;
        height: 70px;
    }

    .head .logo img {
        display: block;
        height: 100%;
    }

    .head .logo_desc {
        float: left;
        margin-left: 10px;
        padding-left: 20px;
        border-left: 1px solid #eee;
        height: 70px;
    }

    .head .logo_desc h2 {
        margin-top: 10px;
        line-height: 30px;
        font-size: 24px;
        color: #1957a4;
        font-weight: bold;
    }

    .head .logo_desc p {
        line-height: 30px;
        font-size: 18px;
        color: #666;
    }

    .head .tel {
        float: right;
        margin-top: 8px;
        background: url(../images/icon11.jpg) no-repeat 0 5px;
    }

    .head .tel p {
        line-height: 28px;
        font-size: 16px;
        color: #414141;
        text-indent: 40px;
        font-weight: bold;
    }

    .head .tel span {
        display: block;
        font-size: 30px;
        color: #0f70da;
        font-family: Arial, Helvetica, sans-serif;
        font-weight: bold;
        text-indent: 0;
    }

    /* 导航 */
    .nav {
        margin-top: 20px;
        border-top: 1px solid #ddd;
        height: 60px;
    }

    .nav li {
        float: left;
        width: 170px;
        position: relative;
    }

    .nav .onav {
        display: block;
        width: 100%;
        line-height: 60px;
        font-size: 16px;
        color: #626262;
        text-align: center;
        font-weight: bold;
    }


    .nav .onav.on,
    .nav li:hover .onav {
        background: #1e64bc;
        color: #fff;
    }

    .nav .tbox {
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        padding: 0 10px;
        background: #1e64bc;
        display: none;
        z-index: 99;
    }

    .nav .tbox .tnav {
        display: block;
        height: 36px;
        line-height: 36px;
        font-size: 15px;
        color: #fff;
        text-align: center;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        border-top: 1px dotted #85abdb;
    }

    .nav .tbox .tnav:hover {
        color: #ed0b0b;
        transition-duration: 0.4s;
    }

    .nav li:hover .tbox {
        display: block;
    }

    /* 标题 */
    .tit1 {
        line-height: 40px;
        font-size: 24px;
        font-weight: bold;
        text-align: center;
        background: url(../images/icon12.png) no-repeat center center;
    }

    /* 友情链接 */
    .link {
        padding: 20px 0;
        border-top: 1px dashed #cfcfcf;
    }

    .link .fl {
        float: left;
        width: 180px;
    }

    .link .fl img {
        float: left;
        margin-right: 20px;
    }

    .link .fl p {
        float: left;
        line-height: 26px;
        font-size: 17px;
        color: #323936;
    }

    .link .fl p span {
        display: block;
        color: #5c5c5c;
        font-size: 24px;
        font-family: Arial, Helvetica, sans-serif;
    }

    .link .fr {
        float: right;
        width: 1020px;
    }

    .link .fr a {
        float: left;
        margin: 0 10px 10px;
        line-height: 24px;
        font-size: 14px;
        color: #5c5c5c;
    }

    /* 底部 */
    .ofot {
        padding: 30px 0;
        background: #222;
    }

    .ofot .fl {
        float: left;
        width: 350px;
    }

    .ofot .fl a {
        display: block;
        height: 70px;
        margin-bottom: 20px;
    }

    .ofot .fl a img {
        display: block;
        height: 100%;
    }

    .ofot .fl p {
        line-height: 30px;
        font-size: 16px;
        color: #fff;
    }

    .ofot .cen {
        float: left;
    }

    .ofot .cen li {
        float: left;
        width: 190px;
    }

    .ofot .cen li .onav {
        height: 40px;
        position: relative;
        margin-bottom: 10px;
    }

    .ofot .cen li .onav::after {
        position: absolute;
        left: 0;
        bottom: 0;
        width: 12px;
        height: 2px;
        background: #fff;
        content: "";
    }

    .ofot .cen li .onav a {
        line-height: 30px;
        font-size: 18px;
        font-weight: bold;
        color: #fff;
    }

    .ofot .cen li .tnav {
        height: 30px;
    }

    .ofot .cen li .tnav a {
        line-height: 30px;
        font-size: 16px;
        color: #919191;
    }

    .ofot .fr {
        float: right;
    }

    .ofot .fr img {
        display: block;
        height: 150px;
    }

    .tfot {
        padding: 10px 0;
        height: 30px;
        background: #000;
    }

    .tfot .fl {
        float: left;
    }

    .tfot .fl a {
        float: left;
        line-height: 30px;
        font-size: 15px;
        color: #fff;
        margin-right: 20px;
    }

    .tfot .fr {
        float: right;
    }

    .tfot .fr a {
        float: left;
        line-height: 30px;
        font-size: 15px;
        color: #fff;
        margin-right: 20px;
    }

    .mfoot {
        display: none;
    }
}

@media screen and (max-width:768px) {
    .head {
        padding: 0.1rem 0;
        height: 1.2rem;
    }

    .head .top {
        display: none;
    }

    .head .w12 {
        margin: 0 0.2rem;
    }

    .head .logo {
        float: left;
        height: 1.2rem;
    }

    .head .logo img {
        display: block;
        height: 100%;
    }

    .head .logo_desc {
        display: none;
    }

    .head .tel {
        display: none;
    }

    .nav {
        height: 1.63rem;
        background: #1957a4;
    }

    .nav li {
        float: left;
        width: 25%;
        height: 0.8rem;
        border-bottom: 0.015rem solid #fff;
    }

    .nav li .onav {
        display: block;
        border-right: 0.015rem solid #fff;
        line-height: 0.8rem;
        font-size: 0.3rem;
        color: #fff;
        text-align: center;
    }

    .nav li .tbox {
        display: none;
    }

    /* 标题 */
    .tit1 {
        line-height: 0.5rem;
        font-size: 0.36rem;
        font-weight: bold;
        text-align: center;
        background: url(../images/icon12.png) no-repeat center center;
    }

    .link {
        padding: 0.1rem 0.25rem;
        background: #fff;
        border-top: 1px dashed #cfcfcf;
    }

    .link .fl {
        height: 0.5rem;
        display: flex;
        align-items: center;
    }

    .link .fl img {
        width: 0.4rem;
        height: 0.4rem;
    }

    .link .fl p {
        margin-left: 0.15rem;
        line-height: 0.5rem;
        font-size: 0.3rem;
        color: #323936;
    }

    .link .fl p span {
        display: inline-block;
        margin-right: 0.1rem;
        color: #5c5c5c;
    }

    .link .fr {
        display: flex;
        flex-wrap: wrap;
    }

    .link .fr a {
        margin-top: 0.1rem;
        margin-right: 0.2rem;
        line-height: 0.5rem;
        font-size: 0.28rem;
        color: #5c5c5c;
    }

    /* 底部 */
    .ofot {
        padding: 0.2rem 0.25rem;
        background: #222;
    }

    .ofot .fl {
        float: left;
        width: 5rem;
    }

    .ofot .fl a {
        display: block;
        /* height: 1rem; */
        margin-bottom: 0.2rem;
    }

    .ofot .fl a img {
        display: block;
        max-width: 100%;
        max-height: 1rem;
    }

    .ofot .fl p {
        line-height: 0.5rem;
        font-size: 0.28rem;
        color: #fff;
    }

    .ofot .cen {
        display: none;
    }

    .ofot .fr {
        float: right;
    }

    .ofot .fr img {
        display: block;
        height: 1.6rem;
    }

    .tfot {
        padding: 0.1rem 0.25rem;
        /* height: 30px; */
        background: #000;
    }

    .tfot .fl a {
        display: block;
        line-height: 0.5rem;
        font-size: 0.26rem;
        color: #fff;
    }

    .tfot .fr {
        height: 0.5rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .tfot .fr a {
        line-height: 0.5rem;
        font-size: 0.26rem;
        color: #fff;
    }

    .mfoot {
        height: 1.2rem;
    }

    .mfot {
        position: fixed;
        left: 0;
        bottom: 0;
        right: 0;
        height: 1.2rem;
        background: #005acc;
        z-index: 99;
        display: flex;
    }

    .mfot a {
        width: 25%;
        height: 1.05rem;
        padding-top: 0.15rem;
    }

    .mfot .icon {
        display: block;
        width: 0.44rem;
        height: 0.44rem;
        margin: 0 auto 0.06rem;
    }

    .mfot p {
        line-height: 0.4rem;
        font-size: 0.28rem;
        color: #fff;
        text-align: center;
    }
}