.sr-top {
    background: url("../images/top_pic.jpg") center 0 no-repeat;
    background-size: cover;
    height:770px;

}

.sr-logo a {
    display: inline-block;
    width: 190px;
    height: 60px;
    margin-top: 60px;
}
.sr-content,.sr-logo {
    width: 1200px;
     margin: 0 auto;
    overflow: hidden;
}

.sr-left {
    float: left;
    width: 630px;
    margin-right: 70px;
}

.sr-title {
    height: 50px;
    position: relative;
    margin-bottom: 30px;
}

.sr-title.one {
    background: url("../images/title_bg.png") no-repeat;
}

.sr-title.two {
    background: url("../images/title_bg.png") 0 -50px no-repeat;
}

.sr-title.thr {
    background: url("../images/title_bg.png") 0 -100px no-repeat;
}
.sr-title span {
    position: absolute;
    right:0;
    top:18px;
    font-size:18px;
}
.sr-title span a {
    color:#0036fe;
}
.sr-list {
    margin-top: 50px;
}
.sr-list ul li {
    position: relative;
    padding-left: 20px;

    line-height: 48px;

}

.sr-list ul li::before {
    content: "";
    position: absolute;
    top:21px;
    left:3px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #36a6dc;
}

.sr-list ul li span {
    display: block;
    width: 90%;
    height: 48px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow:ellipsis;
    font-weight: bold;
}
.sr-list ul li em {
    position: absolute;
    right:0;
    top:0;
    color:#666;;
}

.sr-right {
    width: 500px;
    float: right;
    border: 4px solid #0270cf;
    box-sizing: border-box;
    padding: 30px 0;
    margin-top: 60px;
}

.sr-right h2 {
    background: url("../images/title_bg.png") 0 -150px;
    height: 50px;
    margin: 10px 0 0 10px;
}

.sr-right ul li {
   width: 420px;
    height: 300px;
    margin-bottom: 50px ;
    overflow: hidden;
    background: #f1f1f1;
}

.pic-wrap {
    height: 1020px;
    width: 420px;
    margin: 40px auto 0;
    overflow: hidden;
    position: relative;
}
.sr-right ul {
    position: absolute;
    top:0;
    left:0;
}
.sr-right ul li img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media screen and (max-width: 1200px) {
    .sr-top {width:1200px;}
}