@media screen and (max-width:993px) {
    .content_1 {
        height: 1760px;
    }
}

.content_1 {
    margin: 0 auto;
    margin-top: 50px;
    padding: 0 !important;
}

.cen {
    margin: 0 auto;
    height: 300px;
    width: 100%;
}


.centitle {
    position: relative;
    width: 100%;
    height: 40px;
    margin-bottom: 20px;
    /* padding: 0 10px; */
}

.centitle>a {
    position: absolute;
    right: 30px;
    top: 30%;
    font-size: 14px;
    display: block;
    float: right;
    color: black;
}

.centitle .Cname {
    float: left;
    margin-top: 7.5px;
    font-weight: bold;
    font-size: 22px;
    line-height: 25px;
    height: 25px;
    padding-right: 10px;
}

.centitle .Ename {
    border-left: 2px solid #697cbe;
    float: left;
    margin-top: 7.5px;
    height: 25px;
    line-height: 25px;
    font-size: 20px;
    padding-left: 10px;
    color: #697cbe;
}

.lef {
    height: 870px;
}

.ref {
    height: 870px;
}

.lef>ul>li {
    width: 48.19%;
    float: left;
    position: relative;
}



.lef ul>li:nth-of-type(1),
.lef ul>li:nth-of-type(3) {
    margin-right: 3.62%;
}

.lef>ul,
.lef>ul li a,
.lef>ul li a .img,
.lef>ul li a .img img {
    width: 100%;
}

.lef ul li a .img {
    overflow: hidden;
}

.lef>ul li a .img img {
    width: 100%;
    height: 250px;
    transform: scale(1.0);
    transition: all 0.6s;
}

.lef>ul li a {
    display: block;
    width: 100%;
    padding: 1.25rem 0;
    border-top: 1px solid #eeeeee;
    color: black;
}

.lef>ul li a .pic {
    position: relative;
}

.lef>ul li a .pic .time {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 75px;
    height: 50px;
    background-color: #fff;
    opacity: 0.7;
    text-align: right;
    padding-right: 10px;
    border-top-left-radius: 50px;
}

.lef>ul li a .pic .time .day {
    font-size: 22px;
    font-weight: bold;
    font-family: "Microsoft Yahei", Arial, Helvetica, sans-serif;
    background: url(../images/part1-04.png) no repeat;
}

.lef>ul li a .text {
    margin-top: 20px;
    margin-inline-start: 0.3em;
    margin-inline-end: 0.3em;
}

.lef>ul li a .text h5 {
    color: #323232;
    font-size: 16px;
    height: 5.2rem;
    line-height: 2.6rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.lef>ul li a .text p {
    font-size: 13px;
    color: #888888;
    height: 4.2rem;
    line-height: 2.1rem;
    /* 多行隐藏切显示省略号 */
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}


@media screen and (max-width:1200px) {
    .lef>ul li a .img img {
        height: 222px;
    }
}

/* 边框border效果 */

.border {
    position: absolute;
    transition: all .5s ease-in-out;
    background: none;
}

.lef>ul>li>.border:nth-of-type(1) {
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border-top: 1px solid #82308e;
}

.lef>ul>li>.border:nth-of-type(2) {
    top: 0;
    right: 0;
    width: 0;
    height: 0;
    border-right: 1px solid #82308e;
}

.lef>ul>li>.border:nth-of-type(3) {
    bottom: 0;
    right: 0;
    width: 0;
    height: 0;
    border-bottom: 1px solid #82308e;
}

.lef>ul>li>.border:nth-of-type(4) {
    bottom: 0;
    left: 0;
    width: 0;
    height: 0;
    border-left: 1px solid #82308e;
    /* border-top: 1px solid #697cbe; */
}

/* 设置鼠标悬停的样式 */


.lef>ul li a:hover {
    transition: all .7s;
    /* border: 1px solid #697cbe; */
    padding-top: 0;
    padding-bottom: 2.5rem;
}

.lef>ul li:hover {
    box-shadow: 0 4px 8px 0 rgb(0 0 0 / 20%);
}

.lef>ul li a:hover .img img {
    transform: scale(1.1);
}

.lef>ul li:hover .border:nth-of-type(3),
.lef>ul li:hover .border:nth-of-type(1) {
    width: 100%;
}

.lef>ul li:hover .border:nth-of-type(2),
.lef>ul li:hover .border:nth-of-type(4) {
    height: 100%;
}

.lef>ul li a:hover .text {
    margin-inline-start: 1em;
    margin-inline-end: 1em;
}

.lef>ul li a:hover .text h5 {
    color: #697cbe;
}

.ref {
    padding-left: 30px;
}

.ref>ul li {
    width: 100%;
    padding: 29px 15px;
    transition: all .3s;
    cursor: pointer;
}

.ref>ul li:hover {
    box-shadow: 0 4px 8px 0 rgb(0 0 0 / 20%);
}

.ref>ul li:hover .cll {
    color: #af280f;
}

.Ctitle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: #323232;
}

.cll {
    float: left;
    width: 80%;
    font-size: 18px;
    color: #323232;
    height: 25px;
    line-height: 25px;
    font-weight: bold;
    font-family: "Microsoft Yahei", Arial, Helvetica, sans-serif;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.crr {
    float: right;
    padding-right: 10px;
    font-size: 15px;
    color: #aa3348;
    height: 25px;
    line-height: 25px;
    /* color: #697cbe; */
}

.Ctext {
    display: block;
    font-size: 14px;
    padding-right: 10px;
    color: #5a5a5a;
    line-height: 20px;
    height: 40px;
    opacity: .8;
    margin: 14px 0 0;
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}