.index_bg_01 {
    width: 100%;
}

.jtar .content {
    width: 1190px;
    border-top: 1px solid transparent;
    height: 400px;
}

.introduce {
    height: 550px;
    overflow: hidden;
    margin-bottom: 110px;
}

.introduce img {
    width: 100%;
    float: left;
}

.introduce .content .shadow {
    width: 500px;
    height: 100%;
    background: #000;
    /**
    absolute的元素是以父辈元素中离它最近的一个 relative元素 或 absolute元素 或者 fixed元素 来定位的。
如果父辈元素中没有这3种元素，则以整个文档来定位。
absolute的子级可以再用relative。relative只是相对这个元素原本的位置进行位置偏移，与它的父辈元素没关系。
absolute的父级有多个relative是以最近的一个为标准。
     */
    position: absolute;
    right: 0;
    padding-left: 100px;
    transition: 0.2s;
    color: #fff;
}

.introduce .content .shadow .blue-bar {
    display: inline-block;
    background-color: #2A76EC;
    height: 2px;
    width: 20px;
    margin-top: 55px;
    white-space: nowrap;
}

.jtar {
    text-align: right;
    /* font-family: "宋体" */
}

.jtar p {
    color: #b3b3b3;
    font-size: 100px;
    font-weight: 100;
    text-align: left;
    margin-top: 100px;
}

.jtar span {
    font-weight: 100;
    color: #b3b3b3;
    font-size: 24px;
    position: relative; /*相对原来位置，距离顶部20px*/
    top: 20px;
}

.introduce .content .shadow h4 {
    height: 50px;
    line-height: 50px;
    font-size: 24px;
}

.introduce .content .shadow p {
    height: 40px;
    line-height: 40px;
}

.introduce .content .shadow p a {
    color: #fff;
    font-size: 18px;
}

.introduce .content .shadow .more {
    width: 100px;
    height: 40px;
    line-height: 40px;
    background: #fff;
    color: #000;
    font-size: 16px;
    margin-top: 10px;
    display: inline-block; /*显示为不独占一行的块级元素*/
    text-align: center;
    position: relative;
}

.introduce .content .shadow .more img {
    float: none;
    width: 14px;
    vertical-align: middle
}

.introduce .content .shadow .bus-introduce {
    width: 400px;
    height: 200px;
}

.top-store {
    height: 1000px;
    margin-bottom: 50px;
}

.line-through {
    /*text-align: center;*/
    font-size: 42px;
    font-weight: 400;
    position: relative;
    margin-bottom: 100px;
    margin-top: 100px;
    width: 670px;
}

.line-through:after, .line-through:before {
    content: '';
    position: absolute;
    width: 9%;
    height: 2px;
    border-top: 2px solid #000;
    border-bottom: 2px solid #000;
    top: 50%;
    text-align: center;
}
.white:after, .white:before {
    content: '';
    position: absolute;
    width: 9%;
    height: 2px;
    border-top: 2px solid #fff;
    border-bottom: 2px solid #fff;
    top: 50%;
    text-align: center;
}

.line-through:before {
    /*left: 30%;*/
    left: -15%;
}

.line-through:after {
    /*right: 30%;*/
    right:  61%;
}
.top-store .content{
    width: 95%;
}
.top-store .content ul{
    display: flex;
    justify-content: space-between;
}
.top-store .content ul li {
    width: 18%;
    /*height: 480px;*/
    float: left;
    /*overflow: hidden;*/
    /*margin-right: 2%;*/
    position: relative;
}

.top-store .content ul li .img_bg {
    /*position: absolute;
    top: 0;*/
    width: 100%;
    z-index: -1;
}
.top-store .content ul li .bottom {
    width: 100%;
    text-align: center;
    margin-top: 20px;
    font-size: 17px;
    padding:0 15px;
    box-sizing: border-box
}
.top-store .content ul li .title{
   text-align: center;
    margin-top: 10px;
    color: #fff;
    font-size: 25px;
}
.top-store .content ul li ._black{
    color: #000000;
}
.top-store .content ul li .content{
    font-size: 16px;
    font-weight: normal;
}
.top-store .content ul li .bar-blue {
    display: inline-block;
    background-color: #2A76EC;
    height: 3px;
    width: 20px;
    margin-top: 40px;
    white-space: nowrap;
    margin-left: 20px;
}

.top-store .content ul li h5 {
    color: #fff;
    margin-left: 20px;
    font-size: 20px;
}

.top-store .content ul li .code {
    height: 160px;
    line-height: 160px;
    margin-top: 210px;
    color: #fff
}

.top-store .content ul li .code span {
    float: left;
    height: 160px;
    line-height: 160px;
    margin: 0 50px;
    font-size: 18px;
}

.top-store .content ul li .code img {
    width: 160px;
}

.top-store .content ul li .click_enter {
    width: 140px;
    height: 45px;
    border: 1px solid #cac8c9;
    color: #cac8c9;
    display: block;
    box-sizing: border-box;
    line-height: 42px;
    text-align: center;
    position: absolute;
    bottom: 30px;
    right: 30px;
}

.contant-us {
    text-align: center;
}

.contant-us button {
    height: 80px;
    width: 220px;
    border: 2px solid #000;
    box-sizing: border-box;
    background: transparent;
    outline: none;
    color: #000;
    font-size: 28px;
}

.nav {
    position: fixed;
    z-index: 9999;
    right: 0;
    top: 38%;
}

.nav a {
    color: #000;
    font-weight: bolder;
    display: block;
    width: 50px;
    height: 50px;
    font-size: 20px;
    text-align: center;
    line-height: 50px;
}

.nav dd {
    margin-top: 50px;
    width: 50px;
    height: 50px;;
    position: relative;
}

.nav img {
    width: 100%;
    position: absolute;
    right: 0px;
    top: 0
}

.news-text {
    /*text-align: center;*/
    box-sizing: border-box;
    height: 190px;
    width: 345px;
    right: 0px;
    position: absolute;
    top: 0px;
    color: white;
    /*margin-right: 19px;*/
}

.news-title {
    font-weight: bold;
    font-size: 18px;
    margin-top: 25px;
    margin-left: 10px;
}

.news-content {
    font-size: 14px;
    font-weight: bold;
    margin-top: 20px;
    text-align: left;
    margin-left: 10px;
    margin-right: 11px;
}

.news-date {
    font-size: 18px;
    bottom: 0px;
    position: absolute;
    margin-left: 10px;
    margin-bottom: 15px;
}

.div-news {
    float: left;
    position: relative;
}