body {
    font-size: 14px;
    font-family: 'Microsoft Yahei';
}

address,
cite,
code,
em,
th,
i,
strong {
    font-weight: normal;
    font-style: normal;
}

.head .head_top {
    background-color: #F6F6F6;
}

.head .head_top .fl a {
    height: 36px;
    line-height: 36px;
    color: #686868;
    font-size: 12px;
}

.head .head_top .fr span {
    height: 36px;
    line-height: 36px;
    color: #686868;
    font-size: 12px;
    margin-right: 15px;
}


/* logo 搜索 */

.head .head_bottom {
    padding: 20px 150px 30px 50px;
    padding: 20px 0 30px 0;
    background-color: #fff;
}

.head .head_bottom>div {
    /* padding-left: 45px; */
}

.head .head_bottom .head_logo {
    /* width: 570px; */
    width: 47.5%;
}

.head .head_bottom .head_logo img {
    max-width: 200px;
    vertical-align: text-bottom;
    margin-right: 15px;
}

.head .head_bottom .head_logo span {
    color: #9F9C9B;
}

.head .head_bottom .head_search {
    /* width: 330px; */
    width: 27.5%;
    border: 2px solid #3D99C4;
    padding-left: 8px;
    padding: 13px 5px;
}

.head .head_bottom .head_btn {
    background-color: #6DE1D4;
    color: #fff;
    padding: 12px 20px;
    border: 2px solid #3D99C4;
    border-left: none;
}

.head .head_bottom .head_btn i {
    margin-right: 5px;
}

.head .head_bottom .head_search strong {
    color: #686868;
    font-weight: 400;
    height: 100%;
    display: inline-block;
}

.head .head_bottom .head_search i {
    font-style: normal;
}

.head .head_bottom .head_search input {
    border: none;
}

.head .head_bottom .head_lx {
    background-color: #00A6CA;
    color: #fff;
    padding: 15px 15px 15px 18px;
}

@media screen and (max-width: 1200px) {
    .head .head_bottom .head_logo {
        width: 44.5%;
    }
    .head .head_bottom .head_search {
        width: 22.5%;
        min-width: 253px;
    }
}

@media screen and (max-width: 960px) {
    .head .head_bottom .head_logo {
        width: 52.5%;
    }
    .head .head_bottom .head_lx {
        display: none;
    }
}


/* nav  */

.nav {
    background-color: #3C9EC8;
}

.nav .nav_ul {
    position: relative;
}

.nav .nav_ul>li {
    padding: 15px 30px 15px 30px;
    padding: 15px 0;
    float: left;
    margin-right: 0;
    width: 12.5%;
    text-align: center;
    height: 52px;
}

.nav ul li.cur {
    background-color: #6DE2D4;
}

.nav ul li:hover {
    background-color: #6DE2D4;
}

.nav ul li:hover .er {
    display: block;
}

.nav ul li a {
    color: #FCFCFC;
    display: inline-block;
}

.nav ul li i {
    color: #FCFCFC;
}

.nav ul li .er {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 999;
}

.nav ul li .er {
    background-color: #fff;
    color: #333;
    width: 490px;
    box-shadow: 2px 2px 10px #aaa;
    display: none;
}

.nav ul li .er.show {
    display: block;
}

.nav ul li .er .er_li {
    /* border-radius: 20px; */
    /* border: 1px solid #6DE2D4;
    margin: 10px 10px; */
}

.nav ul li .er .er_li .er_li_t {
    color: #9598A2;
    width: 100px;
    padding: 15px 0;
    text-align: center;
}

.nav ul li .er .er_li .er_li_c {
    width: 500px;
}

.nav ul li .er .er_li .er_li_c li {
    display: inline-block;
    float: left;
    padding: 15px 15px;
    width: 23%;
    text-align: center;
    cursor: pointer;
}

.nav ul li .er .er_li .er_li_c li a {
    color: #9598A2;
}

.nav ul li .er .er_li .er_li_c li.cur {
    background-color: #fff;
}

.nav ul li .er .er_li .er_li_c li.cur a {
    color: #6DE2D4;
}