/* 移动端全局重置 */
@media screen and (max-width: 768px) {

    /* 头部*/
    body {
        /* width: 100%; */
        overflow-x: hidden;
        max-width: 100vw
    }

    

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    .top {
        width: 100vw;
        background-color: #153860;
        color: #fff;
        height: 54px;
        margin-top: 0;
        position: relative;
        margin-bottom: 0;
        padding-top: 7px;
        box-sizing: border-box;

    }

    .top .m-logo {

        width: 281px;
        height: 36px;
        display: block;
        margin-left: 19px;
    }

    .top .pc-logo {
        display: none;
    }

    .top .search {
        display: none;
    }

    .wrapper {
        width: 100vw;

        margin: 0;
        /* padding: 0 15px; */
    }

    /* 汉堡菜单 */
    .nav {
        height: 0;
    }

    .nav .hamburger {
        display: block;
        width: 25px;
        height: 20px;
        position: absolute;
        top: -40px;
        right: 15px;
        z-index: 100;
        cursor: pointer;
    }

    .nav .hamburger span {
        display: block;
        width: 100%;
        height: 2px;
        background: #FFFFFF;
        margin: 5px 0;
        border-radius: 2px;
    }

    .nav>ul {
        display: none;
        flex-direction: column;
        background: #153860;
        position: absolute;
        top: -2px;
        left: 0;
        width: 100%;
        border-bottom: 1px solid #eee;
        z-index: 99;
        padding: 10px 0;
        opacity: 0.85;
        padding-left: 27px;
    }

    .nav>ul.active {
        display: flex;
        height: auto;
    }

    .active li span {
        position: absolute;
        right: 4vw;
        color: #FFFFFF;
        top: 20px;
        display: inline-block;
    }



    /* 通用导航样式（PC端） */
    .nav .nav-item {
        position: relative;
        /* 子菜单绝对定位的父容器 */
    }

    /* 子菜单默认隐藏 */
    .nav .submenu {
        display: none;
        position: absolute;
        top: 100%;
        /* 紧贴父li底部 */
        left: 0;
        background: #fff;
        border: 1px solid #eee;
        z-index: 999;
        width: 172px;
        /* 与父级宽度一致 */
    }

    /* 子菜单激活态（显示） */
    .nav .submenu.active {
        display: block;
        background-color: black;
        padding: 0;
        border: #153860;
    }


    .nav ul li ul li {
        padding: 0;
        background-color: #153860;
        border-bottom: 1px dashed #fff;
    }

    .nav ul li ul li a {
        padding: 0;
        background-color: #153860;
        font-size: 12px;
        width: 70px;
        color: #FFFFFF;

    }

    /* 移动端适配（如果需要） */
    @media screen and (max-width: 768px) {
        .nav .submenu {
            position: static;
            /* 移动端改为静态定位 */
            width: 100%;
            padding-left: 20px;
            /* 缩进显示 */
        }
    }





    .nav li {
        padding: 8px 0;
        padding-right: 4vw;
        border-bottom: 1px solid #f5f5f5;
        height: 46px;
        width: 85vw;
    }

    .nav ul li a {
        display: inline-block;
        width: 60px;
        height: 20px;
        font-family: Source Han Sans SC, Source Han Sans SC;
        font-weight: 400;
        font-size: 14px;
        color: #FFFFFF;
        text-align: left;
        font-style: normal;
        text-transform: none;
        line-height: 27px;
    }

    .nav ul li:hover ul {
        display: none;
        float: none;
        position: absolute;
    }


    /* .nav li ul {
        position: static;
        border: none;
        padding-left: 15px;
    } */

    /* 图片滚动 */
    .scrollwrap {
        width: 100vw;
        height: 195px;

    }

    .scrollitem {
        width: auto;
        height: 195px;

    }

    /* 学院新闻 */
    .center {
        width: 100vw;
        min-width: 375px
    }

    .one_box {
        width: 100vw;
        height: 660px;
        padding: 0;
    }

    .title {
        width: 89vw;
        height: 48px;
        margin: 0;
        display: flex;
        align-items: center;

    }

    .title .title1 {
        width: 71px;
        height: 20px;
        font-family: Source Han Sans SC, Source Han Sans SC;
        font-weight: 500;
        font-size: 14px;
        color: #333333;
        text-align: center;
        font-style: normal;
        text-transform: none;
    }

    .title span {
        display: block;
        width: 7px;
        height: 17px;
        font-size: 15px;
    }

    .title .title2 {
        width: auto;
        height: 20px;
        font-family: Source Han Sans SC, Source Han Sans SC;
        font-weight: 500;
        font-size: 14px;
        color: #11365D;
        text-align: center;
        font-style: normal;
        text-transform: none;
    }

    .title .more {
        width: 30px;
        height: 11px;
        margin: 0;
        margin-top: 23px;
        position: absolute;
        right: 15px;
    }

    .title .more a {
        width: 36px;
        height: 11px;
        font-family: Source Han Sans SC, Source Han Sans SC;
        font-weight: 400;
        font-size: 8px;
        color: #999999;
        text-align: center;
        font-style: normal;
        text-transform: none;
        position: absolute;
        top: -13px;

    }

    .content1 {
        margin: 0;
        height: auto;
        padding: 0 5vw;
        display: flex;
        flex-direction: column;
        box-sizing: border-box;
    }

    .left {
        width: 89vw;
        height: auto;
        margin: 0;
    }

    .left img {
        width: 89vw;
        height: 228px;
    }

    .left a {
        display: block;
        background-color: #F7F7F7;
        margin: 0;
        padding-top: 7px;
        padding-left: 25px;
        padding-right: 13px;

    }

    .descri {
        width: 80vw;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;

        font-family: Source Han Sans SC, Source Han Sans SC;
        font-weight: bold;
        font-size: 14px;
        color: #333333;
        text-align: left;
        font-style: normal;
        text-transform: none;
    }

    .left .time {
        width: 89vw;

        font-family: Source Han Sans SC, Source Han Sans SC;
        font-weight: 400;
        font-size: 12px;
        color: #153860;
        text-align: left;
        font-style: normal;
        text-transform: none;
        background-color: #F7F7F7;
        margin: 0;
        padding-left: 25px;
        box-sizing: border-box;
    }

    .left span img {
        display: inline-block;
        width: 12px;
        height: 12px;
        color: #153860;
        padding-bottom: 2px;
    }

    .right {
        width: 89vw;
        height: 266px;
        margin: 0;
    }

    .right ul li {
        height: 62px;
        padding-left: 13px;
        padding-top: 12px;
        padding-bottom: 36px;
        box-sizing: border-box;
        padding-right: 13px;
    }

    .right a {
        display: block;
        width: 89vw;
        height: 20px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        font-size: 14px;
        color: #333333;
        text-align: left;
        font-style: normal;
        text-transform: none;
        margin: 0;
        box-sizing: border-box;
    }

    .right .descri {
        width: 81vw;
        height: 20px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        font-size: 14px;
        color: #333333;
        text-align: left;
        font-style: normal;
        text-transform: none;
        padding-right: 13px;
    }

    .right .time {
        margin: 0;
        width: 89vw;

        font-family: Source Han Sans SC, Source Han Sans SC;
        font-weight: 400;
        font-size: 12px;
        color: #153860;
        text-align: left;
        font-style: normal;
        text-transform: none;

        margin: 0;
        padding-left: 0px;
        box-sizing: border-box;
        padding-top: 5px;
    }

    .right span img {
        display: inline-block;
        width: 12px;
        height: 12px;
        color: #153860;
        padding-bottom: 5px;
    }

    /* 活动预告 */
    .two_box {
        width: 100vw;
        height: auto;
        padding: 0;
        margin-top: 30px;
    }

    .two_box .title2 {
        width: auto;
    }

    .two_box .more {
        display: none;
    }

    .pic {
        display: flex;
        flex-direction: column;
        margin: 0;
        padding: 0 5vw;
        box-sizing: border-box;
        gap: 14px;
        height: auto;

    }

    .pic .picitem1,
    .pic .picitem4,
    .duoitem1,
    .duoitem2 {
        width: 89vw;
        height: 520px;
        box-sizing: border-box;
        margin: 0;
    }

    .pic .picitem1 img,
    .pic .picitem4 img,
    .duoitem1 img,
    .duoitem2 img {
        width: 89vw;
        height: 336px;
    }

    .pic a,
    .duodes {
        width: auto;
        height: auto;
        font-family: Source Han Sans SC, Source Han Sans SC;
        font-weight: 500;
        font-size: 14px;
        color: #333333;
        line-height: 20px;
        text-align: left;
        font-style: normal;
        text-transform: none;
        margin-top: 17px;
        margin-left: 16px;
    }

    .pic p,
    .duotime {
        width: 183px;
        height: 17px;
        font-family: Source Han Sans SC, Source Han Sans SC;
        font-weight: 400;
        font-size: 12px;
        color: #999999;
        line-height: 40px;
        text-align: left;
        font-style: normal;
        text-transform: none;
        position: absolute;
        left: 16px;
    }
.pic div:nth-child(1){
    width: 89vw;
    
    }
.pic div:nth-child(2){
    width: 89vw;
    
    }
.pic div:nth-child(3){
    width: 89vw;
    
    }
.pic div:nth-child(4){
    width: 89vw;
    
    }

    /* 通知公告 */
    .content3 {
        width: 100vw;
        margin: 0;
        height: auto;
        padding: 0 5vw;
        display: flex;
        flex-direction: column;
        box-sizing: border-box;
    }

    .tzgg {
        width: 100%;
        padding: 0;
        margin-top: 30px;
    }

    .m-tzgg {
        display: block;
    }

    .tzgg .title {
        display: flex;
        align-items: center;
        width: 100%;
    }

    .content_tzgg {
        width: 89vw;
        height: auto;
    }

    .list_tzgg {
        margin-top: 0px;
        height: auto;
    }

    .list_tzgg ul li {
        width: 89vw;
        height: 50px;

    }

    .list_tzgg .time3 {
        padding: 0;
        margin: 0;
        width: 28px;
        height: 28px;
        width: 73px;
        margin-right: 0px;

    }

    .time3 .time31 {
        width: 73px;
        height: 19px;
        font-family: STZhongsong, STZhongsong;
        font-weight: 400;
        font-size: 16px;
        color: #153860;
        text-align: center;
        font-style: normal;
        text-transform: none;
    }

    .time .time32 {
        width: 73px;
        height: 14px;
        font-family: STZhongsong, STZhongsong;
        font-weight: 400;
        font-size: 12px;
        color: #153860;
        text-align: center;
        font-style: normal;
        text-transform: none;
    }

    .list_tzgg ul li a {
        line-height: 50px;
        width: 80vw;
        height: 50px;
        font-family: Source Han Sans SC, Source Han Sans SC;
        font-weight: 400;
        font-size: 14px;
        color: #333333;
        text-align: left;
        font-style: normal;
        text-transform: none;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        margin-left: 10px;
    }

    /* 铸牢专题 */
    .zlzt {
        margin: 0;
        width: 89vw;
        margin-top: 38px;
    }

    .content_zlzt {
        width: 89vw;
        height: auto;
        padding-top: 0;
    }

    .zlzt .title .more {
        position: absolute;
        right: 5px;
    }

    /* 数字音舞 */
    .content4 {
        margin: 0;
        margin-top: 36px;
        padding: 0;
        width: 100vw;
        padding: 0 5vw;
        height: auto;
    }

    .bigimg {
        width: 100%;
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
    }

    .bigimg img {
        display: block;
        height: 144px;
        width: 120%;
    }

    /* 多元实践 */
    .content5 {
        margin: 0;
        margin-top: 30px;
        padding: 0;
        width: 100vw;
        padding: 0 5vw;
        height: auto;
    }

    .duolist {
        height: auto;
        display: flex;
        flex-direction: column;
        margin: 0;
    }

    .duoitem1,
    .duoitem2 {
        height: 437px;
    }

    .duoitem2 {
        margin-top: 16px;
    }

    .duotime {
        line-height: 15px;

    }

    .duoitem3,
    .duoitem4 {
        display: none;
    }

.duolist div:nth-child(2) {
margin-top:16px;
}
.duolist div:nth-child(3) {
margin-top:16px;
}
.duolist div:nth-child(4) {
margin-top:16px;
}

    /* 大楼之美 */
    .content6 {
        margin: 0;
        margin-top: 30px;
        padding: 0;
        width: 100vw;
        padding: 0 5vw;
        height: auto;
    }

    .dalou {
        margin: 0;
        display: flex;
        flex-direction: column;
        height: auto;
    }

    .dalou1 {
        display: none;
    }

    .dalou2pc img {
        display: none;
    }

    .dalou2m {
        display: flex;
        width: 89vw;
        height: 184px;
        margin-bottom: 8px;
    }

    .dalou2m img {
        display: block;
        width: 89vw;
        height: 350px;
    }

    /* 底部 */
    .bottom {
        width: 100vw;
        margin: 0;
        height: auto;
    }

    .bottom_logo {
        width: auto;
        height: auto;
        margin-top: 14px;
    }

    .bottom_logo .boimgpc {
        display: none;
    }

    .bottom_center {
        width: 100vw;
        margin-top: 25px;
        height: auto;
        display: flex;
        justify-content: flex-start;
    }

    .list_link {
        width: 75vw;
        height: 29px;
    }

    .list_link ul {
        height: auto;
        padding-left: 35px;
    }

    .list_link ul li {
        width: 60px;
        height: 9px;
        padding: 0;
        line-height: 9px;
        margin-bottom: 8px;
    }

    .list_link ul li a {
        width: 54px;
        height: 9px;
        font-family: Source Han Sans SC, Source Han Sans SC;
        font-weight: 400;
        font-size: 6px;
        color: #FFFFFF;
        text-align: left;
        font-style: normal;
        text-transform: none;

    }

    .bottom_logo .boimgm {
        display: block;
        width: 60vw;
        height: auto;
        display: flex;
    }

    .ewm {
        width: auto;
        height: auto;
    }

    .ewm img {
        width: 29px;
        height: 29px;
    }

    .copyright {
        padding: 0;
        width: 100vw;
        box-sizing: border-box;
        padding-left: 30vw;
        padding-top: 25px;
    }

    .copyright p {
        width: 75px;
        height: 6px;
        font-family: Source Han Sans SC, Source Han Sans SC;
        font-weight: 400;
        font-size: 4px;
        color: #FFFFFF;
        text-align: center;
        font-style: normal;
        text-transform: none;
        line-height: 25px;
    }
}