@charset "utf-8";
html,
body,
.banner,
.banner .slick,
.banner .slick div,
.banner .slick-slide a,
.banner .slick-slide a img {
    width: 100%;
    height: 100%;
}

body {
    overflow-x: hidden;
}

.banner {
    position: relative;
    /* z-index: 9; */
    overflow: hidden;
}

.banner a {
    display: block;
}

.banner>img {
    display: block;
    width: 100%;
}

.banner .slick {
    position: relative;
    z-index: 9;
}

.banner .slick-slide a {
    display: block;
    position: relative;
}

.banner .slick-slide a img {
    display: block;
    width: 100%;
    transition: all 10s;
    transform: scale(1);
}

.index {
    position: fixed;
    top: 100%;
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 99;
    background: #fff;
    padding-top: 200px;
}

.title {
    padding-bottom: 15px;
    border-bottom: 2px solid #103c83;
    overflow: hidden;
}

.title h2 {
    float: left;
    font-weight: normal;
}

.title h2 img {
    display: inline-block;
    vertical-align: center;
}

.title h2 span {
    display: inline-block;
    padding-left: 8px;
    font-size: 30px;
    color: #103c83;
    vertical-align: bottom;
}

.title a {
    float: right;
    font-size: 24px;
    color: #9a9a9a;
}

.news {
    margin-top: 45px;
}

.news>ul {
    padding-bottom: 35px;
    margin-left: -58px;
    margin-right: -58px;
}

.news>ul li {
    margin: 0 58px;
}

.news>ul li a {
    display: block;
}

.news>ul li a .pic {
    padding-top: 78.8%;
}

.news>ul li a .text h2 {
    margin-top: 20px;
    margin-bottom: 25px;
    font-size: 20px;
    color: #000;
    font-weight: normal;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news>ul li a .text p {
    line-height: 40px;
    font-size: 20px;
    color: #666;
    height: 80px;
    overflow: hidden;
}

.news>ul li:hover a .text h2,
.news>ul li:hover a .text p {
    color: #103c83;
}

.news .slick-dots {
    bottom: 0;
}

.news .slick-dots li {
    width: 28px;
    height: 3px;
    background-color: #d2d2d2;
    margin: 0 13px;
}

.news .slick-dots li.slick-active {
    background-color: #103c83;
    margin-bottom: 6px;
}

.section2 {
    padding-top: 40px;
    padding-bottom: 55px;
}

.sect2-l {
    float: left;
    width: 47.5%;
}

.list {
    padding-top: 10px;
}

.list>li {
    position: relative;
    line-height: 58px;
    padding-left: 25px;
    padding-right: 125px;
    background: url(https://vpn.nbut.edu.cn/https/77726476706e69737468656265737421e6e74fd229327d44300d8db9d6562d/https/77726476706e69737468656265737421eaff40923625661e700a9cb8d65027208618d0/system/_owners/dxxy/_webprj/images/list.png) no-repeat left center;
    border-bottom: 1px dashed #b5b5b5;
    transition: all .3s;
}

.list>li a {
    display: block;
    font-size: 20px;
    color: #131313;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.list>li span {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 24px;
    color: #a7a7a7;
}

.list>li:hover a,
.list>li:hover span {
    color: #103c83;
}

.sect2-r {
    float: right;
    width: 48%;
}

.date-list>li {
    transition: all .3s;
}

.date-list>li a {
    display: block;
    padding-top: 15px;
    padding-bottom: 10px;
    overflow: hidden;
}

.date-list>li a .date {
    float: left;
    width: 80px;
    height: 73px;
    padding: 3px;
    text-align: center;
    background-color: #103c83;
    border-radius: 5px;
    color: #0d5aa8;
}

.date-list>li a .date p {
    font-size: 36px;
    line-height: 38px;
    color: #fff;
}

.date-list>li a .date span {
    display: block;
    line-height: 30px;
    font-size: 18px;
    color: #1c1c1c;
    background-color: #fff;
    border-radius: 5px;
}

.date-list>li a .text {
    overflow: hidden;
    padding-left: 20px;
}

.date-list>li a .text h2 {
    font-size: 20px;
    color: #131313;
    margin-bottom: 10px;
    font-weight: normal;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.date-list>li a .text p {
    display: inline-block;
    line-height: 16px;
    height: 32px;
    font-size: 14px;
    color: #818181;
    overflow: hidden;
}

.date-list>li:hover .text h2 {
    color: #103c83;
}

.date-list>li:hover .text p {
    color: #103c83;
}

.section3 {
    background: url(https://vpn.nbut.edu.cn/https/77726476706e69737468656265737421e6e74fd229327d44300d8db9d6562d/https/77726476706e69737468656265737421eaff40923625661e700a9cb8d65027208618d0/system/_owners/dxxy/_webprj/images/sect3-bg.jpg) no-repeat center center;
    background-size: cover;
    padding: 50px 50px 85px 50px;
}
.sect3{width:1350px;margin:0 auto;}

.sect3-l {
    float: left;
    width: 650px;
}

.sect3-l ul li {
    position: relative;
    margin-top: 17px;
    transition: all .3s;
}

.sect3-l ul li:first-child {
    margin-top: 0;
}

.sect3-l ul li a {
    position: relative;
    display: block;
}

.sect3-l ul li a:after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    background: url(https://vpn.nbut.edu.cn/https/77726476706e69737468656265737421e6e74fd229327d44300d8db9d6562d/https/77726476706e69737468656265737421eaff40923625661e700a9cb8d65027208618d0/system/_owners/dxxy/_webprj/images/sect2-l-tc.png) no-repeat center bottom;
    background-size: 100% auto;
}

.sect3-l ul li a .pic {
    padding-top: 47%;
}

.sect3-l ul li a .text {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 30px;
    padding-left: 90px;
    z-index: 2;
}

.sect3-l ul li a .text .icon {
    float: left;
    height: 110px;
    line-height: 110px;
}

.sect3-l ul li a .text .icon img {
    position: relative;
    vertical-align: middle;
    transition: all .6s;
}

.sect3-l ul li a .text p {
    overflow: hidden;
    padding-left: 35px;
    font-size: 28px;
    color: #fff;
    line-height: 110px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sect3-r {
   overflow:hidden;
padding-left:15px;
}

.sect3-r ul li {
    position: relative;
    float: left;
    width: 48.5%;
    margin-left: 3%;
    margin-bottom: 17px;
    transition: all .3s;
}

.sect3-r ul li:nth-child(2n-1) {
    margin-left: 0;
}

.sect3-r ul li.one {
    background-color: #00a8ec;
}

.sect3-r ul li.two {
    background-color: #16507f;
}

.sect3-r ul li.three {
    background-color: #a3d2e2;
}

.sect3-r ul li.four {
    background-color: #2775b5;
}

.sect3-r ul li a {
    display: block;
    text-align: center;
    padding-bottom: 25px;
}

.sect3-r ul li a .icon {
    height: 143px;
    line-height: 134px;
    margin-top: 60px;
    margin-bottom: 40px;
}

.sect3-r ul li a p {
    font-size: 28px;
    color: #fff;
}

.sect3-r ul li a .icon img {
    position: relative;
    vertical-align: middle;
    transition: all .6s;
}

.sect3-r ul li.four {
    padding-top: 110px;
    padding-bottom: 110px;
    text-align: center;
}

.sect3-r ul li.four .text p {
    font-size: 48px;
    color: #fff;
}

.sect3-r ul li.four .text .more {
    margin-top: 60px;
    width: 180px;
    height: 70px;
    text-align: center;
    line-height: 70px;
    border: 1px solid #fff;
    margin-left: auto;
    margin-right: auto;
}

.sect3-r ul li.four .text .more a {
    display: block;
    font-size: 36px;
    color: #fff;
}

.sect3 ul li:hover .icon img {
    transform: rotatey(360deg);
}

.sect3-r ul li.four:hover .text .more a {
    opacity: .8;
}

@media screen and (max-width: 1600px) {
    .sect3-r ul li a .icon {
        margin-top: 40px;
        margin-bottom: 5px;
    }
    .sect3-r ul li a {
        padding-bottom: 50px;
    }
    .sect3-r ul li.four {
        padding-top: 45px;
        padding-bottom: 63px;
    }
.sect3-l{width: 590px;
}
}

@media screen and (max-width: 1400px) {
    .news>ul li {
        margin: 0 10px;
    }
    .news>ul {
        margin-left: -10px;
        margin-right: -10px;
    }
}

@media screen and (max-width: 1200px) {
    .sect3-l ul li a .text {
        padding-left: 30px;
    }
    .sect3-l ul li a .text .icon {
        height: 60px;
        line-height: 60px;
    }
    .sect3-l ul li a .text .icon img {
        height: 60px;
    }
    .sect3-l ul li a .text p {
        height: 60px;
        line-height: 60px;
        font-size: 26px;
        padding-left: 20px;
    }
    .sect3-r ul li a .icon {
        height: 60px;
        line-height: 60px;
        margin-top: 65px;
    }
    .sect3-r ul li a .icon img {
        height: 60px;
    }
    .sect3-r ul li a p {
        font-size: 30px;
        margin-top: 15px;
    }
    .sect3-r ul li.four .text p {
        font-size: 30px;
    }
    .sect3-r ul li.four .text .more {
        margin-top: 30px;
        height: 50px;
        line-height: 50px;
        width: 100px;
    }
    .sect3-r ul li.four .text .more a {
        font-size: 26px;
    }
.sect3-l{width: 465px;}
}

@media screen and (max-width: 1024px) {
    html,
    body,
    .banner,
    .banner .slick,
    .banner .slick div,
    .banner .slick-slide a,
    .banner .slick-slide a img {
        width: 100%;
        height: auto;
    }
    .index {
        position: static;
        padding-top: 0;
    }
    .section1 {
        padding-top: 15px;
    }
    .section3 {
        padding-left: 15px;
        padding-right: 15px;
    }
}

@media screen and (max-width: 800px) {
    .news>ul li a .text h2 {
        margin-top: 15px;
        margin-bottom: 5px;
    }
    .list>li span {
        font-size: 16px;
    }
    .list>li {
        padding-right: 80px;
    }
    .list>li a {
        font-size: 16px;
    }
    .sect3-r ul li a .icon {
        margin-top: 20px;
    }
    .sect3-r ul li a {
        padding-bottom: 35px;
    }
    .sect3-r ul li.four {
        padding-top: 15px;
        padding-bottom: 35px;
    }
.sect3-l{width:340px;}
}

@media screen and (max-width: 700px) {
    .title h2 img {
        height: 20px;
    }
    .title h2 span {
        font-size: 20px;
    }
    .title a {
        font-size: 16px;
    }
    .title {
        padding-bottom: 10px;
    }
    .news {
        margin-top: 15px;
    }
    .news>ul li a .text h2 {
        font-size: 18px;
    }
    .news>ul li a .text p {
        font-size: 14px;
        line-height: 20px;
        height: 40px;
    }
    .news>ul {
        padding-bottom: 25px;
    }
    .sect2-l {
        float: none;
        width: auto;
    }
    .section2 {
        padding-top: 15px;
        padding-bottom: 15px;
    }
    .list>li {
        line-height: 40px;
    }
    .list>li span {
        font-size: 12px;
    }
    .sect2-r {
        float: none;
        width: auto;
        margin-top: 15px;
    }
    .date-list>li a .date p {
        font-size: 22px;
        line-height: 30px;
    }
    .date-list>li a .date span {
        line-height: 22px;
        font-size: 14px;
    }
    .date-list>li a .date {
        width: 65px;
        height: 60px;
    }
    .date-list>li a .text h2 {
        font-size: 16px;
        margin-bottom: 5px;
    }
    .date-list>li a {
        padding-top: 10px;
        padding-bottom: 5px;
    }
    .section3 {
        padding: 15px;
    }
    .sect3-l {
        float: none;
        width: auto;
    }
    .sect3-r {
        float: none;
        width: auto;
        margin-top: 12px;
    }
    .sect3-r ul li a p {
        font-size: 20px;
    }
    .sect3-r ul li.four .text p {
        font-size: 20px;
    }
    .sect3-r ul li.four .text .more a {
        font-size: 18px;
    }
    .sect3-l ul li a .text p {
        font-size: 20px;
    }
}