@charset "utf-8";

/*  头部  */
.head {
    position: relative;
    /* position: -webkit-sticky;
    position: sticky;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 10; */
    transition: all .36s;
}

.head.on {
    position: sticky;
    top: 0;
    left: 0;
    z-index: 99;
    width: 100%;
    background-color: rgba(255, 255, 255, .98);
    box-shadow: 0 0 9px 2px #ddd;
}

.head.on .top {
    display: none;
}

.head.on .logo img {
    height: 70px;
    object-fit: contain;
    transition: all .36s;
}

.head.on .u1>li>a {
    line-height: 70px;
}

.head .top {
    line-height: 45px;
    background-color: #f7f7f7;
}

/* .head .top a {
    margin-right: 10px;
    display: inline-block;
    color: #fff;
    padding-left: 20px;
    padding-right: 20px;
    line-height: 30px;
    background-color: #007FFF;
    border-radius: 5px;
} */
.head .top a {
    padding-right: 10px;
    padding-left: 10px;
    color: #999;
}

.head .top .right img {
    margin-right: 5px;
}

.head .xia .row>div {
    position: static;
    text-align: right;
}

.head .xia .row {
    position: static;
    align-items: center;
}

/* tel */
.head .tel span {
    padding-right: 10px;
    color: #007fcc;
    color: #BF1564;
}

/* --导航 */


.head .menu_nav .u1 {
    display: flex;
}

.head .u1>li {
    width: 100%;
    text-align: center;
    line-height: 50px;
}

.head .u1>li>a {
    display: inline-block;
    /* font-size: 18px; */
    color: #666;
    position: relative;
    line-height: 102px;
    transition: all .36s;
}

.head .u1>li>a::after,
.head .u2 li a::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    display: block;
    width: 0%;
    height: 3px;
    background-color: #007fcc;
    transition: all .36s;
}




.head .u2 {
    border-top: 1px solid #ddd;
    display: flex;
    position: absolute;
    left: 0;
    z-index: 9;
    width: 100%;
    background-color: #fff;
    justify-content: center;
    line-height: 0px;
    transition: all .36s;
    overflow: hidden;
    opacity: 0;
    box-shadow: 0 5px 5px rgb(0 0 0 / 5%);
}

.head .u1>li:hover .u2 {
    line-height: 50px;
    opacity: 1;
}

.head .u2 li {
    padding-left: 30px;
    padding-right: 30px;
}

.head .u2 li a {
    position: relative;
    display: block;
    color: #333;
    font-size: 16px;
}

/*  底部  */
.foot {
    padding-top: 30px;
    background-color: #333;
}

.foot a {
    font-size: 14px;
    color: #999;
}

.foot .banquan {
    margin-top: 20px;
    background-color: #222;
    line-height: 50px;
}

.foot .ul {
    flex-wrap: wrap;
}

.foot .ul li {
    width: 100%;
}

/* QQ悬浮 */

.nav_bar {
    position: fixed;
    right: 0;
    z-index: 999;
    bottom: 5%;
}

.nav_bar li {
    position: relative;
    margin-bottom: 1px;
    width: 70px;
    height: 70px;
    color: #007fcc;
}

.nav_bar li .img {
    width: 100%;
    height: 100%;
    text-align: center;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    align-content: center;
    cursor: pointer;
    background-color: #ddd;
    border-radius: 3px;
    overflow: hidden;
    transition: all .3s ease-out;
}

.nav_bar li .img:hover {
    color: #fff;
    background-color: #007fcc;
}

.nav_bar li .img span {
    font-size: 26px;
    line-height: 1;
}

.nav_bar li .img p {
    width: 100%;
    font-size: 14px;
}

.nav_bar li .text {
    position: absolute;
    right: calc(100% + 1px);
    top: 0;
    font-family: Impact;
    width: 100%;
    min-width: 220px;
    color: #fff;
    background: #007fcc;
    line-height: 70px;
    text-align: center;
    font-size: 22px;
    font-weight: lighter;
    visibility: hidden;
    border-radius: 3px;
    overflow: hidden;
}

.nav_bar li .text a {
    font-size: 22px;
}

.nav_bar li:hover .text {
    visibility: visible;
}

.m_block {
    display: none;
}

.shouji_nav {
    display: none;
    display: flex;
    background-color: #00b1f1;
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 100;
}

.shouji_nav a {
    width: 100%;
    color: #fff;
    text-align: center;
    display: inline-block;
    border-right: 1px solid #fff;
    line-height: 40px;
}

.shouji_nav a img {
    width: 18px;
    vertical-align: text-bottom;
}

/* 手机按钮 */
.m_btn{
    min-width: 45px;
    padding: 5px;
    display: flex;
    border: 1px solid #dee2e6;
    border-radius: 3px;
    height: 35px;
    flex-wrap: wrap;
    align-content: space-around;
    margin-right: 5px;
}

.m_btn span{
    width: 100%;
    height: 3px;
    background-color: #ddd;
    border-radius: 5px;
}

/* 手机底部导航 */
.sj_menu {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 99;
    display: none;
    flex-wrap: nowrap;
    background-color: #007fcc;
    justify-content: space-around;
}
.sj_menu a {
    position: relative;
    text-align: center;
    line-height: 45px;
    color: #fff;
    width: 100%;
}
.sj_menu a::after{
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    width: 1px;
    height: 60%;
    background-color: #fff;
    opacity: 0.5;
}

@media(min-width:993px) {

    .head .u1>li:hover>a::after,
    .head .u2 li a:hover::after {
        width: 100%;
        left: 0%;
    }
}

/* 手机端 */

@media(max-width:992px) {
    .sj_menu {display: flex;}
    .menu_nav{width: 100%;height: 0;overflow: hidden;}
    .menu_nav.on{height: 100%;}
    .head .u1>li>a::after, .head .u2 li a::after,.nav_bar{display: none;}

    .menu_nav .u1{flex-wrap: wrap;overflow: hidden;}
    .head .u1>li{line-height: 0;}
    .head .u1>li>a{line-height: 40px;height: 40px;overflow: hidden;}
    .head .u2{border: none;}
    .f-logo img{max-width: 80%;width: 200px;margin: 0 auto;display: block;}

    .datu img{height: 120px;width: 100%;object-fit: cover;}
    .datu .box .f50{font-size: 25px;margin-bottom: 20px;}
}