@charset "utf-8";
.c-banner {
    width: 100%;
    position: relative;
}

.c-banner img {
    width: 100%;
}

.c-banner .banner ul {
    list-style: none;
    padding-left: 0px;
    margin-top: 0px;
    margin-bottom: 0px;
}

.c-banner .banner ul li {
    position: absolute display: none;
    opacity: 0;
}

.c-banner .banner ul li:nth-child(1) {
    opacity: 1;
    display: block;
}

.c-banner .banner ul li img {
    width: 100%;
    position: absolute;
    top: 0px;
}

.c-banner .banner ul li:first-child img {
    position: relative;
}

.c-banner .nexImg,
.c-banner .preImg {
    padding: 25px 10px 25px 10px;
    position: absolute;
    top: 50%;
    margin-top: -53px;
    background: #000000;
    opacity: 0.5;
    border-radius: 5px;
    z-index: 10;
}

.c-banner .nexImg:hover,
.c-banner .preImg:hover {
    opacity: 0.8;
}

.c-banner .nexImg {
    right: 0px;
}

.c-banner .nexImg img,
.c-banner .preImg img {}

.c-banner .jumpBtn {
    width: 100%;
    position: absolute;
    bottom: 20px;
    text-align: center;
}

.c-banner .jumpBtn ul {
    margin-bottom: 0px;
    padding: 0px;
}

.c-banner .jumpBtn ul li {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: inline-block;
    background-color: white;
    opacity: 0.9;
    margin-left: 10px;
}

.c-banner .jumpBtn ul li:first-child {
    margin-left: 0px;
}

@media screen and (max-width:768px) {
    .c-banner {
        width: 100%;
        height: 345px;
        overflow: hidden;
    }
    .c-banner .banner ul li img {
        width: 768px;
        height: 345px;
        position: absolute;
        left: 50%;
        margin-left: -384px;
    }
}

.nav_container {
    max-width: 1700px;
    float: left;
}

.nav_container>ul>li>a {
    font-size: 14pt;
    position: relative;
    color: white;
    font-family: fzltzh;
}

.nav-item {
    height: 55px;
    line-height: 55px;
    float: left;
    padding: 0 20px;
    text-align: center;
    position: relative;
    transition: all 0.3s ease 0s;
}

.nav-item:hover {
    background-color: rgb(7, 86, 169);
}

.nav-item-ul {
    position: absolute;
    z-index: 111;
    opacity: 0;
    transition: all 0.3s ease 0s;
    top: 66px;
    left: 0px;
    width: 100%;
    background-color: white;
}

.nav-item:hover .nav-item-ul {
    opacity: 1;
    top:55px
}

.nav-item-ul li {
    font-size: 19px;
}

.nav-item-ul li a {
    width: 100px;
    height: 20px;
    line-height: 20px;
    color: black;
    padding: 0px 5px;
    font-size:11pt;
}

.nav-item-ul li:hover a {
    color: red;
    font-size:11pt;
}

.nav_container .nav-item:last-child {
    padding-right: 0px;
}

.head_nav {
    /* border-top: 1px solid white; */
}

ul,
li {
    margin: 0;
    padding: 0;
    border: none;
    font-family: "Microsoft YaHei";
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -o-box-sizing: border-box;
    -ms-box-sizing: border-box;
}

ul {
    list-style: none;
}

.clearfix {
    zoom: 1;
    /* width: 100%; */
}

.clearfix::before,
.clearfix::after {
    content: "";
    display: table;
    clear: both;
    visibility: hidden;
    height: 0;
    /* overflow: auto; */
}

.w-1700 {
    width: 1700px;
    margin: 0 auto;
}

.other {
    border-left: 1px solid rgb(145, 145, 145);
    /* margin: 0 22px; */
    /* width: 245px !important; */
}

.other a {
    white-space: nowrap;
    margin: 0 20px;
}

.bcl {
    width: 100%;
    background-color: rgb(25, 137, 209);
}