body {
    display: flex;
    justify-content: center;
    min-height: 100vh;
}

body,
p,
ul,
li,
input {
  margin: 0;
  padding: 0;
  font-family: "微软雅黑", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Lantinghei SC", "Helvetica Neue", Arial, "Open Sans", "Hiragino Sans GB", sans-serif;
}

ul,
li {
    list-style: none;
}

a {
    font-family: "微软雅黑", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Lantinghei SC", "Helvetica Neue", Arial, "Open Sans", "Hiragino Sans GB", sans-serif;
    font-size: 15px;
    text-decoration: none;
}

a:hover {
    text-decoration: none !important;
}

a:focus {
    outline: none !important;
}

/*  header part */
.header {

    max-width: 1920px;
    /*1400*/
    height: 160px;
    background-color: #123a7f;
    transition: all 0.3s linear 0s;
    box-shadow: 0 0 8px 0 rgba(0, 0, 0, 0.6);
    position: fixed;
    width: 100%;
    margin: auto;
    z-index: 2;
    text-align: center;
}
.move{
    position: absolute;
}

.title {
    display: inline-flex;
    height: 100px;
    width: 90%;
    justify-content: left;
    margin-top: 10px;
}

.logo img {
    height: 75px;
    width: 80px;
    margin-top: 30px;
}

.name img {
    margin-left: 10px;
    margin-top: 35px;
    height: 75px;
}
.text{
    position: relative;
    margin-left: auto;
    right:16%;
}
.text img {
    margin-top: 10px;
    height: 70px;
}

/*  navigation part */
.nav{
    position: relative;
    display: flex;
    justify-content: center;
    margin-top: -20px;
}
.nav .menu {
    width: 90%;
    position: absolute;
    top: 67%;
    display: flex;
    justify-content: right;
    right: 6%;
}


.nav>.menu>li {
    float: left;
    height: 20px;
    padding: 13px 12px;
    position: relative;
    letter-spacing: 2px;
    text-align: center;
}

.nav>.menu>li:last-child {
    margin-right: 0px;
    padding-right: 0px;
}
.nav>.menu>li:first-child {
    margin-left: 0px;
    padding-left: 0px;
}

.nav>.menu>li>a {
    color: #fff;
    font-size: 18px;
}


.nav .menu .nav_list {
    width: 150px;
    letter-spacing: 2px;
    position: absolute;
    top: 45px;
    left: -25px;

    line-height: 22px;
    display: none;
    overflow: hidden;
    z-index: 99;
    padding: 10px 0px;

    text-align: center;
    background-color: #fff;
}
.menu > li:nth-of-type(4) > ul.nav_list 
{
    left:-15px;
}
.nav .menu .nav_list li {
    height: 40px;
    line-height: 40px;
    transition-duration: 0.5s;
    transition-property: transform;
    transition-timing-function: ease-out;
}

.nav .menu .nav_list li a {
    color: #000;
    line-height: 16px;
    font-size: 16px;
    font-weight: 500;
    width: 100%;
    min-width: 100px;
    text-align: center;

}

.nav .menu li a:hover,
.nav .menu li a:active {
    color:#fff;
}

.nav .menu .nav_list li:hover {
   background-color: #123a7f;
}
.nav .menu .nav_list li:hover a {
    color:#fff;
}

.content {
    margin-top: 160px;
    max-width: 1920px;
    width: 100%;
    text-align: center;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.15);
    }
}

.carousel img {
    animation: none;
    height:  calc(100vh - 162px);
    width: 1920px;
}
.swiper-slide-active img {
  animation: pulse 5s infinite;
}

.top-background img{
    width: 100%;
    max-width: 1920px;

}

/*news part*/
.category-name {
    font-size: 35px;
    font-weight: bold;

    color: #123a7f;
    text-shadow: 0 0 2px #686868, 0 1px 1px #ddd, 0 2px 1px #d5d5d5, 0 3px 1px #ccc, 0 4px 1px #c5c5c5,
        0 5px 1px #c1c1c1, 0 6px 1px #bbb, 0 7px 1px #777, 0 8px 3px rgba(100, 100, 100, 0.4), 0 9px 5px rgba(100,
            100, 100, 0.09), 0 10px 7px rgba(100, 100, 100, 0.14), 0 11px 9px rgba(100, 100, 100, 0.2), 0 12px 11px rgba(100, 100,
            100, 0.24), 0 13px 15px rgba(100, 100, 100, 0.29);

    padding-top: 50px;
    margin-bottom: 60px;
}

.news-content {
    background-color: #f2f2f2;
    height: 1115px;
}

.college-news {
    display: inline-flex;
}

.left {
    margin-right: 40px;
}

.top {
    margin-bottom: 30px;
}

.news-left,
.news-right {
    position: relative;
    outline: none;
    background-color: rgba(255, 255, 255, 0.8);
    width: 320px;
    height: 385px;
    box-shadow: rgba(18, 58, 127, 0.48) 6px 2px 16px 0px, rgba(255, 255, 255, 0.8) -6px -2px 16px 0px;
}

.news-left {
    margin-right: 40px;
}

.news-big {
    width: 680px;
    height: 385px;
    overflow: hidden;
    box-shadow: 5px 5px 15px rgba(18, 58, 127, 0.48);
    z-index: 2;
}


.news-left:hover .news img,
.news-right:hover .news img,
.news-big img:hover {
    transform: scale(1.1);
}

.news img,
.news-big img {
    transition-duration: 0.5s;
    transition-property: transform;
    transition-timing-function: ease-out;

}

.news-img {
    overflow: hidden;
}

.news a {
    color: #333;
}

.news a:hover,
.news a:active {
    color: #123a7f;
}

.news-row {
    display: flex;
    margin-bottom: 30px;
}

.news-title {
    margin-top: 10px;
    padding: 20px;
    text-align: left;
    height: 40px;
    font-size: 18px;
}

.news-time {
    margin-top: 60px;
    padding-left: 20px;
    font-size: 12px;
    font-weight: 600;
    color: #666;
    text-align: left;
}

.news-title-big {
    position: absolute;
    margin-top: -45px;
    padding-left: 20px;
    text-align: left;
    font-size: 18px;
    color: #fff;
}

.more,
.more-blue {
    display: block;
    width: 120px;
    height: 30px;
    line-height: 30px;
    margin: 35px auto;
    font-size: 14px;
    font-weight: 500;

    text-align: center;
    border: 1px solid #e1e1e1;
    border-radius: 3px;
    -webkit-transition: all 0.3s linear 0s;
    -moz-transition: all 0.3s linear 0s;
    -ms-transition: all 0.3s linear 0s;
    -o-transition: all 0.3s linear 0s;
    transition: all 0.3s linear 0s;
}

.more a {
    color: #999;
}

.more:hover {
    background-color: #123a7f;
}

.more a:hover,
.more a:active {
    color: #fff;
}


/*notice part*/
.category-name-blue {
    font-size: 35px;
    font-weight: bold;

    color: #fff;
    text-shadow: 
    0 0 5px #264077,                     /* 深蓝描边锐化 */
    0 1px 1px #b3cfff,                   /* 明亮淡蓝高光 */
    0 2px 1px #8cb7e6,
    0 3px 1px #6fa2d4,
    0 4px 1px #5b90c1,
    0 5px 1px #497cb0,
    0 6px 1px #3d69a3,
    0 7px 1px #325893,
    0 8px 3px rgba(18,58,127,0.45),      /* 深蓝主阴影 */
    0 9px 5px rgba(18,58,127,0.18),
    0 10px 7px rgba(18,58,127,0.22),
    0 11px 9px rgba(18,58,127,0.27),
    0 12px 11px rgba(18,58,127,0.32),
    0 13px 15px rgba(18,58,127,0.37);

    padding-top: 50px;
    margin-bottom: 60px;
}

.notice-content {
    height: 760px;
    background-image: url("../images/notice_background.png");
    background-size: cover;
}

.college-notice {
    display: inline-block;
}

.notice-row {
    display: flex;
    margin-bottom: 75px;
}

.notice {
    width: 380px;
    height: 132px;

    margin-right: 82px;
    padding: 10px;

    border: 5px groove #aac5e6;       /* 优雅淡蓝替代原白色 */
    box-shadow: 5px 5px 15px rgba(33, 80, 138, 0.20);  /* 蓝色阴影，和深蓝背景协调 */
    background-color: #fafdff;        /* 更通透的浅蓝白 */

}

.notice:nth-child(3) {
    margin-right: 0px;
}

.notice:hover {
    transform: translateY(-15px);
    transition: transform ease-out 0.5s;
    -moz-transition: transform ease-out 0.5s;
}

.notice a,
.notice a:hover,
.notice a:active {
    color: #fff;
}

.notice-frame {
    border: 3px inset #d6e8fa;        /* 极浅蓝，层次感强 */
    height: 130px;
    font-size: 17px;
    background-color: #fff;
    color: #123a7f;
}

.notice-date {
    display: block;
    width: 100px;
    margin: auto;
    color: #fff;
    background: linear-gradient(60deg, #123a7f, cornflowerblue, #123a7f, cornflowerblue, #123a7f);
    text-align: center;
    padding: 5px;
}

.notice-title {
    display: block;
    padding-top: 25px;
    width: 320px;
    margin: auto;
    text-align: center;
}


.more-blue {
    background-color: #123a7f;
}

.more-blue a {
    color: #fff;
}

.more-blue:hover {
    background-color: #fff;
}

.more-blue a:hover,
.more-blue a:active {
    color: #123a7f;
}

/*activity part*/
.activity-content {
    height: 880px;
    background-color: #f2f2f2;
}

.college-activity {
    display: inline-flex;

}

.activity-left {
    height: 540px;
    position: relative;
    margin-right: 50px;
    box-shadow: rgba(136, 165, 191, 0.48) 6px 2px 16px 0px, rgba(255, 255, 255, 0.8) -6px -2px 16px 0px;
}

.swiper-activity {
    width: 640px;
    overflow: hidden;
}

.swiper-activity .swiper-slide {
    width: 640px;
}

.activity-big {
    width: 640px;
    height: 540px;
    background-color: #fff;
    z-index: 2;
    
}

.activity-img-big{
    overflow: hidden;
}

.activity-left:hover .activity-big img{
     transform: scale(1.1);
}
.activity-big img{
     transition-duration: 0.5s;
    transition-property: transform;
    transition-timing-function: ease-out;
}

.activity-title-big {
    font-size: 16px;
    font-weight: 800;
    color: #000;
    text-align: left;
    padding: 20px 40px;
}

.abstract {
    font-size: 14px;
    line-height: 24px;
    color: rgba(102, 102, 102, 0.7);
    text-align: left;
    padding: 0px 40px;
}

.activity-right {
    width: 710px;
    position: relative;
}

.activity-row {
    display: flex;
    margin-bottom: 50px;
}

.activity-title {
    position: absolute;
    padding: 10px 20px;
    margin-top: -40px;
    text-align: left;
    z-index: 2;
    color: #fff;
    background: rgba(0, 0, 0, 0.6);
    width: 290px;

}

.activity {
    margin-right: 50px;
    box-shadow: 5px 5px 15px rgba(18, 58, 127, 0.48);
}

.activity:nth-child(2n) {
    margin-right: 0px;
}

.activity img:hover {
    transform: scale(1.1);
}

.activity img {
    transition-duration: 0.5s;
    transition-property: transform;
    transition-timing-function: ease-out;

}

.activity-img {
    overflow: hidden;
    height: 245px;
}

/*foot part*/
.foot{
    display: inline-flex;
    background: url(../images/footer-bg.png);
    width: 100%;
    height: 200px;
    justify-content: center;
    padding-top: 30px;
}
.foot-left{
    position: relative;
    width: 400px;
    text-align: left;
}

.foot-logo{
    display:  inline-flex;
    width: 300px;
    height: 50px;
    padding-left:7px;
}
.foot-logo .logo img{
    width: 50px;
    height: 50px;
    margin-left: -10px;
  
}
.foot-logo .name img{
    height: 50px;
}
.foot-info{
    font-size: 16px;
    color:#fff;
    letter-spacing: 1px;

}

.foot-right{
    position: relative;
    width: 600px;
    font-size: 16px;
    margin-left:300px;
    margin-right: 100px;
    padding-top: 15px;
}
.foot-row{
    display:  inline-flex;
    width: 600px;
    padding:10px;
    color: #fff;
}

.foot-row > div > a{
    display: block;
    height: 40px;
    line-height: 40px;
}

.left-link{
    min-width: 120px;
    text-align: left;
}
.right-link{
    margin-left: 100px;
    min-width: 170px;
    text-align: left;
}
.foot-row a,
.foot-row a:active,
.foot-row a:hover{
    color: #fff;
}
.foot-row:nth-of-type(2) .left-link a{
    background-image: url("../images/zhxy.png");
    background-size: 40px 40px;
    padding-left: 50px;
    background-repeat: no-repeat;
    background-position: left center;
}

.foot-row:nth-of-type(2) .right-link:nth-of-type(2) a{
    background-image: url("../images/jwzx.png");
    background-size: 40px 40px;
    padding-left: 50px;
    background-repeat: no-repeat;
    background-position: left center;
}
.foot-row:nth-of-type(2) .right-link:nth-of-type(3) a{
    background-image: url("../images/tsg.png");
    background-size: 40px 40px;
    padding-left: 50px;
    background-repeat: no-repeat;
    background-position: left center;
}
.foot-row:nth-of-type(3) .left-link a{
    background-image: url("../images/jyb.png");
    background-size: 40px 40px;
    padding-left: 50px;
    background-repeat: no-repeat;
    background-position: left center;
}
.foot-row:nth-of-type(3) .right-link a{
    background-image: url("../images/jypt.png");
    background-size: 40px 40px;
    padding-left: 50px;
    background-repeat: no-repeat;
    background-position: left center;

}

/*list part*/
.container{
    display: flex;
    width: 85%;
    max-width: 1400px;
    margin: 0 auto;
    align-items: flex-start;
}
.sub-menu{
    position: relative;
    width: 200px;
    top: 50%;
    transform: translateY(-15%);
}
.submenu-name{
    padding: 25px 0px;
    color: #fff;
    background-color: #123a7f;
    font-size: 21px;
    text-align:center;
    border-left: 3px solid transparent;
}
.submenu-items{
    background-color: #fff;
    margin: 0;
    padding: 0;
}
.submenu-item{
    padding: 30px 0px;
    text-align:center;
    border-bottom: 1px solid #ccc;
    border-left: 3px solid transparent;
}
.submenu-item a,
.submenu-item a:active{
    color: #333;
    font-size: 18px;
}

.curr{
    border-left: 3px solid #123a7f;
}
.curr a,
.curr a:active{
    color:#123a7f;
}



.main{
    width: calc(100% - 300px);
    margin-left: 100px;
    margin-top: 25px;
}
.menu-name{
    border-bottom: 1px solid #ccc;
    height: 65px;
    text-align: left;
}
.menu-name p{
    color: #333;
    font-size: 25px;
    border-bottom: 3px solid #123a7f;
    display: inline-block;
    margin: 10px 0px;
    padding: 10px 0px;
    
}
.position{
    float: right;
    font-size: 14px;
    color: #aaa;
    margin-top:-38px;
}
.position a,
.position a:hover,
.position a:active{
    font-size: 14px;
    color: #aaa;
    
}
.list{
    min-height: 600px;
}
.list ul{
    padding: 0;
}
.list ul li{
    padding: 15px 0px;
    text-align: left;
    border-bottom: 1px solid #ccc;
    transition: all 0.3s linear 0s;
}
.list ul li:hover{
    padding: 15px;
    box-shadow: 0 0 10px 0 #ccc;
}
.list ul li:hover a{
    color:#123a7f;
}
.list ul li a,
.list ul li a:active{
    font-size: 16px;
    color:#333;
}
.list ul li p{
    font-size: 14px;
    color: #aaa;
}

/*article part*/
.article{
    margin-top: 50px;
}
.article-title{
    color: #123a7f;
    font-size: 25px;
    text-align: center;
    border-bottom:1px dashed #ccc;
    padding-bottom: 20px;
}

.article-title-single{
    color: #123a7f;
    font-size: 25px;
    text-align: center;
    padding-top: 20px;
}

.article-info{
     border-bottom:1px dashed #ccc;
     color: #777;
     text-align: center;
     font-size: 14px;
     padding:20px 0 ;
}
.article-content{
    padding: 70px;
    font-size: 19px;
    text-align: left;
    width: 1260px;
}