@charset "utf-8";

/* CSS Document */

.mode {
    width: 1280px;
    margin: 0 auto 20px;
    overflow: hidden;
}

.imgArticle {
    width: 483px;
    float: left;
    margin-top: 5px;
    position: relative;
}

.item-img01 {
    width: 100%;
}

.item-img01 a {
    padding-bottom: 57.019%;
}

.item-txt01 {
    background-color: #ededed;
    padding: 6px 0 8px;
    width: 100%;
    overflow: hidden;
    position: absolute;
    left: 0;
    bottom: 0;
    opacity: 0.9;
    filter: alpha(opacity=90);
}

.item-txt01 h3 {
    font-size: 16px;
    font-weight: normal;
    height: 30px;
    line-height: 30px;
    padding: 0 15px;
    overflow: hidden;
}

.item-txt01 span {
    display: block;
    padding: 0 15px 0 42px;
    background: url(../images/time.png) no-repeat 15px center;
    float: right;
    height: 30px;
    line-height: 30px;
}

.tabArticleList01 {
    /*! margin-left:491px; */
    position: relative;
    padding: 0px 30px 17px;
    background: #fff;
    box-shadow: background-color: rgb(255, 255, 255);
    box-shadow: 0px 8px 13.8px 1.2px rgba(0, 0, 0, 0.08);
    /*! height: 354px; */
}

.tabArticleList0001 {
    height: 344px
}

.tabArticleList001 {
    height: 300px;
}

.tabMenu01 {
    width: 100%;
    height: 36px;
    border-bottom: 1px solid #8f000b;
    padding: 24px 0 0 0;
}

.tabMenu01 li {
    width: auto;
    float: left;
    font-size: 20px;
    letter-spacing: 1px;
    /*! margin-right: 30px; */
    height: 36px;
    position: relative;
    padding: 0 20px 0 20px;
    background: url(../images/tab_ol_03.jpg) no-repeat left center;
}

.tabMenu01 li:first-child {
    padding-left: 0px;
    background: none;
}

.tabMenu01 li a {
    color: #15244b;
    height: 36px;
    display: block;
}

.tabMenu01 li:hover a,
.tabMenu01 li.active a {
    color: #15244b;
    font-weight: bold;
    color: #8f000b;
}

.tabMenu01 li:hover a:before,
.tabMenu01 li.active a:before {
    content: '';
    width: 100%;
    height: 4px;
    /*! background-color:#e2a459; */
    position: absolute;
    left: 0;
    /*! bottom: -1px; */
}

.tabMore01 {
    width: 25px;
    height: 25px;
    position: absolute;
    right: 30px;
    top: 25px;
}

.tabMore01 span {
    display: none;
}

.tabList01 {
    width: 100%;
    overflow: hidden;
}

.tabList01 dd {
    display: none;
}

.list01 {
    width: 100%;
    overflow: hidden;
    padding: 10px 0 0;
}

.list01 li {
    font-size: 15px;
    height: 38px;
    line-height: 38px;
    overflow: hidden;
    background: url(../images/li-bg.png) no-repeat left center;
}

.list01 li span {
    float: right;
    color: #595959;
    margin-left: 10px;
}

.list01 li a {
    padding-left: 15px;
}

.mode02 {
    width: 1226px;
    margin: 0 auto;
}

.linkList01 {
    width: 100%;
    overflow: hidden;
}

.linkList01 li {
    width: 20%;
    float: left;
}

.linkList01 li a {
    display: block;
    margin: 0 13px;
    background-color: #ededed;
    overflow: hidden;
}

.linkList01 li a strong {
    width: 63px;
    display: block;
    margin: 0 auto;
    padding: 14px;
    float: left;
}

.linkList01 li a span {
    height: 30px;
    line-height: 30px;
    overflow: hidden;
    text-align: center;
    padding: 25px 0;
    display: inline-block;
}


/*通知公告*/

.modeWrap03 {
    width: 1280px;
    overflow: hidden;
    margin: 24px auto 0;
}

.mode03 {
    width: auto;
    /*! padding:0 20px; */
}

.mode03 .lf {
    margin-right: 443px;
    padding-bottom: 20px;
}

.mode01_right {
    margin-left: 510px;
    padding: 0 10px 20px;
}

.articleList01 {
    /*! width: 100%; */
    overflow: hidden;
    background: #fff;
    padding: 0 30px 20px;
    box-shadow: background-color: rgb(255, 255, 255);
    box-shadow: 0px 8px 13.8px 1.2px rgba(0, 0, 0, 0.08);
}

.listTitle01 {
    height: 60px;
    line-height: 60px;
    border-bottom: 1px solid #9a3136
}

.listTitle01 h3 {
    font-size: 20px;
    /*! font-weight: normal; */
    color: #15244b;
}

.listTitle01 span {
    float: right;
    width: 25px;
    height: 25px;
    padding-top: 10px;
}

.calendar {
    position: absolute;
    right: 8px;
    top: 0px;
}


/*日历*/

.mode03 {
    position: relative;
}

#CalendarMain {
    width: 399px;
    height: 357px;
    /*! border: 1px solid #ccc; */
    margin: 0 auto;
    overflow: hidden;
    background-color: rgb(255, 255, 255);
    box-shadow: 0px 10px 13.5px 1.5px rgba(0, 0, 0, 0.05);
}

#title {
    width: 100%;
    height: 46px;
    background: -webkit-linear-gradient(left, #bf6a6c, #737c93);
    /* Safari 5.1 - 6.0 */
    background: -o-linear-gradient(left, #bf6a6c, #737c93);
    /* Opera 11.1 - 12.0 */
    background: -moz-linear-gradient(left, #bf6a6c, #737c93);
    /* Firefox 3.6 - 15 */
    background: linear-gradient(left, #bf6a6c, #737c93);
    line-height: 46px;
}

.selectBtn {
    /*! font-weight: 900; */
    font-size: 18px;
    color: #fff;
    cursor: pointer;
    text-decoration: none;
    padding: 0 10px;
}

.selectYear {
    /*! float: left; */
    /*! margin-left: 195px; */
    /*! position: absolute; */
}

.selectMonth {
    /*! position: absolute; */
    width: 95px;
    /*! text-align: right; */
    right: 190px
}

.mon_year {
    margin: 0 auto;
    width: 225px; 
    text-align: center;
}

.prevMonth {
    width: 30px;
    height: 46px;
    background: url(../images/prevMonth.png) no-repeat center center;
    margin-left: 50px;
}

.nextMonth {
    width: 30px;
    height: 46px;
    background: url(../images/nextMonth.png) no-repeat center center;
    margin-right: 50px;
}

.month {
    float: left;
    position: absolute;
}

.nextMonth {
    float: right;
    position: absolute;
    right: 0px;
    top: 0px;
}

.currentDay {
    float: right;
}

#context {
    background-color: #fff;
    width: 100%;
}

.week {
    width: 100%;
    height: 35px;
    background: #e3dfda
}

.week>h3 {
    float: left;
    color: #808080;
    text-align: center;
    margin: 0;
    padding: 0;
    font-size: 13px;
    height: 35px;
    line-height: 35px;
}

.dayItem {
    float: left;
}

.lastItem a {
    color: #d1c7b7 !important;
}

.item {
    color: #333;
    float: left;
    text-align: center;
    cursor: pointer;
    margin: 0;
    font-family: "微软雅黑";
    font-size: 13px;
    border-right: 1px solid #e3dfda;
    border-bottom: 1px solid #e3dfda;
    box-sizing: border-box;
}

.item:hover {
    color: #b9121b;
}

.currentItem>a {
    background-color: #b9121b;
    width: 25px;
    line-height: 25px;
    float: left;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
    color: #fff;
}

#foots {
    width: 100%;
    height: 35px;
    background-color: #fff;
    border-top: 1px solid #ccc;
    margin-top: -1px;
    display: none;
}

#footNow {
    float: right;
    margin: 6px 15px 0 0;
    color: #009ad6;
    font-family: "微软雅黑";
}

#Container {
    overflow: hidden;
    float: left;
}

#center {
    width: 100%;
    overflow: hidden;
}

#centerMain {
    width: 300%;
    margin-left: -100%;
}

#selectYearDiv {
    float: left;
    background-color: #fff;
}

#selectYearDiv>div {
    float: left;
    text-align: center;
    font-family: "微软雅黑";
    font-size: 16px;
    border: 1px solid #ccc;
    margin-left: -1px;
    margin-top: -1px;
    cursor: pointer;
    color: #909090;
}

.currentYearSd,
.currentMontSd {
    color: #ff4400 !important;
}

#selectMonthDiv {
    float: left;
    background-color: #fff;
}

#selectMonthDiv>div {
    color: #909090;
    float: left;
    text-align: center;
    font-family: "微软雅黑";
    font-size: 16px;
    border: 1px solid #ccc;
    margin-left: -1px;
    margin-top: -1px;
    cursor: pointer;
}

#selectYearDiv>div:hover,
#selectMonthDiv>div:hover {
    background-color: #efefef;
}

#centerCalendarMain {
    float: left;
}


/*热点专题*/

.topicList01 {
    width: 105%;
    overflow: hidden;
    padding-top: 18px;
}

.topicList01 li {
    width: 276px;
    height: 75px;
    overflow: hidden;
    float: left;
    margin: 0 32px 20px 0;
}

.topicList01 li a {
    display: block;
    border: 1px solid #e3dfda;
    height: 73px;
    transition: all 0.3s ease;
}

.topicList01 li h3 {
    font-weight: normal;
    color: #fff;
    font-size: 15px;
    text-align: center;
    height: 30px;
    line-height: 30px;
    padding-top: 10px;
    overflow: hidden;
}

.topicList01 li span {
    display: block;
    text-align: center;
    color: #fff;
}

.topicList01 li a:hover {
    opacity: 0.8;
    transform: scale(1.2);
}

.topicList01 li.colorBlue a {
    background-color: #8f000b;
}

.topicList01 li.colorGreen a {
    background-color: #838383;
}


/*x常用链接*/

.modeWrap05 {
    width: 100%;
    overflow: hidden;
    background-color: #f3f3f3;
    padding-top: 30px;
}

.linkTitle01 {
    width: 115px;
    float: left;
    font-size: 18px;
    font-weight: normal;
}

.linkList02 {
    margin-left: 115px;
}

.linkList02 li {
    width: 16.667%;
    float: left;
    line-height: 35px;
    height: 35px;
}


/*flexslider start*/

.flex-container a:active,
.flexslider a:active,
.flex-container a:focus,
.flexslider a:focus {
    outline: none;
}

.slides,
.flex-control-nav,
.flex-direction-nav {
    margin: 0;
    padding: 0;
    list-style: none;
}

.flexslider {
    margin: 0;
    padding: 0;
}

.flexslider .slides>li {
    display: none;
    -webkit-backface-visibility: hidden;
    padding-bottom: 37px;
}

.flexslider .slides>li a {
    height: 0px;
    display: block;
    overflow: hidden;
    padding-bottom: 64%;
    box-shadow: background-color: rgb(171, 64, 64);
    box-shadow: 0px 8px 13.8px 1.2px rgba(0, 0, 0, 0.08);
}

.flexslider .slides img {
    width: 100%;
    display: block;
}

.flex-pauseplay span {
    text-transform: capitalize;
}

.slides:after {
    content: "\0020";
    display: block;
    clear: both;
    visibility: hidden;
    line-height: 0;
    height: 0;
}

html[xmlns] .slides {
    display: block;
}

* html .slides {
    height: 1%;
}

.no-js .slides>li:first-child {
    display: block;
}

.flexslider {
    position: relative;
    zoom: 1;
}

.flex-viewport {
    max-height: 2000px;
    -webkit-transition: all 1s ease;
    -moz-transition: all 1s ease;
    -o-transition: all 1s ease;
    transition: all 1s ease;
}

.loading .flex-viewport {
    max-height: 300px;
}

.flexslider .slides {
    zoom: 1;
}

.carousel li {
    margin-right: 5px;
}

.flex-direction-nav {
    *height: 0;
}

.flex-direction-nav a {
    text-decoration: none;
    display: block;
    width: 28px;
    height: 48px;
    position: absolute;
    margin-top: -20px;
    top: 50%;
    z-index: 10;
    overflow: hidden;
    opacity: 0;
    cursor: pointer;
    color: rgba(0, 0, 0, 0.8);
    text-indent: -999em;
}

.flex-direction-nav .flex-prev {
    left: -30px;
    background-position: 0 0;
}

.flex-direction-nav .flex-next {
    right: -30px;
    background-position: -132px 0;
}

.flexslider:hover .flex-prev {
    opacity: 0.7;
    left: 20px;
}

.flexslider:hover .flex-next {
    opacity: 0.7;
    right: 20px;
}

.flexslider:hover .flex-next:hover,
.flexslider:hover .flex-prev:hover {
    opacity: 1;
}

.flex-direction-nav .flex-disabled {
    opacity: 0!important;
    filter: alpha(opacity=0);
}

.flex-pauseplay a {
    display: block;
    width: 20px;
    height: 20px;
    position: absolute;
    bottom: 5px;
    left: 10px;
    opacity: 0.8;
    z-index: 10;
    overflow: hidden;
    cursor: pointer;
    color: #000;
    background: #ddd;
}

.flex-pauseplay a:before {
    font-size: 20px;
    display: inline-block;
    content: '\f004';
}

.flex-pauseplay a:hover {
    opacity: 1;
}

.flex-pauseplay a.flex-play:before {
    content: '\f003';
}

.flex-control-nav {
    width: 100%;
    position: absolute;
    bottom: 85px;
    text-align: right;
    z-index: 1000;
}

.flex-control-nav li {
    /* margin: 6px 5px; */
    display: inline-block;
    zoom: 1;
    *display: inline;
    margin: 0 10px 0 0;
}

.flex-control-paging li a {
    width: 30px;
    height: 30px;
    display: block;
    /* background: #e6e6e6; */
    cursor: pointer;
    /* text-indent: -9999px; */
    border-radius: 6px;
    color: white;
}


/* .flex-control-paging li a:hover { background: #94070a; }
.flex-control-paging li a.flex-active { background: #94070a;  } */

.flex-control-thumbs {
    margin: 5px 0 0;
    position: static;
    overflow: hidden;
}

.flex-control-thumbs li {
    width: 25%;
    float: left;
    margin: 0;
}

.flex-control-thumbs img {
    width: 100%;
    display: block;
    opacity: .7;
}

.flex-control-thumbs img:hover {
    opacity: 1;
}

.flex-control-thumbs .flex-active {
    opacity: 1;
}

.til_slides {
    height: 50px;
    line-height: 25px;
    font-size: 16px;
    color: #fff;
    position: absolute;
    background: url(../images/slider_bg_03.png);
    bottom: 37px;
    left: 0px;
    width: 100%;
    text-align: center;
    overflow: hidden;
    vertical-align: middle;
}


/*flexslider end*/

.list02 li {
    padding: 11px 0;
    border-bottom: 1px dashed #ccc;
}

.scholarsList {
    overflow: hidden;
}

.scholarsList li {
    border-bottom: 1px dashed #ccc;
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.scholarsList li a {
    display: block;
}

.scholars01 {
    overflow: hidden;
}

.scholars01 .dateLeft {
    float: left;
    width: 66px;
    height: 70px;
    text-align: center;
}

.scholars01 .dateLeft i {
    display: block;
    background: #990000;
    height: 34px;
    line-height: 34px;
    color: #fff;
    font-style: normal;
    font-size: 24px;
    font-family: 'Arial';
}

.scholars01 .dateLeft strong {
    display: block;
    border: 1px solid #c09f80;
    height: 34px;
    line-height: 34px;
    color: #c09f80;
    font-style: normal;
    font-size: 16px;
    font-family: 'Arial';
}

.scholars01 .scholars_info {
    margin-left: 80px;
}

.scholars01 .scholars_info h3 {
    margin-bottom: 8px;
    font-size: 14px;
    line-height: 19px;
    letter-spacing: 0.5px;
}

.scholars01 .scholars_info p {
    color: #999999;
    font-size: 14px;
    margin-bottom: 5px;
    height: 19px;
    line-height: 19px;
    overflow: hidden;
}

.scholars01 .scholars_info p.time,
.scholars01 .scholars_info p.person {
    font-size: 12px;
    padding-left: 15px;
}

.scholarsList li a:hover .scholars01 .scholars_info h3 {
    color: #990000;
}

.scholars01 .scholars_info p.time {
    background: url(https://www.math.pku.edu.cn/images/time.png) no-repeat center left;
}

.scholars01 .scholars_info p.person {
    background: url(https://www.math.pku.edu.cn/images/person.png) no-repeat center left;
}

@media screen and (max-width:1200px) {
    .mode {
        width: auto;
        padding: 0 15px;
        margin: 0px;
    }
    .mode02,
    .modeWrap03 {
        width: auto;
        padding: 0 2px;
        margin: 0px;
    }
    .topicList01 li {
        width: 25%;
        margin: 0 0 15px 0;
    }
    .topicList01 {
        width: 100%
    }
    .topicList01 li a {
        margin: 0 7px;
    }
    .linkList02 li {
        width: auto;
        margin-right: 20px;
    }
}

@media screen and (max-width:1024px) {
    .calendar {
        right: 22px;
    }
}

@media screen and (max-width:992px) {
    .tabMenu01 li {
        font-size: 18px;
        margin-right: 20px;
    }
    .imgArticle {
        float: none;
        margin: 0 auto;
    }
    .tabArticleList01 {
        margin: 10px 0 0 0;
    }
    .topicList01 li {
        width: 33.333%;
    }
    .mode03 .lf {
        margin: 0;
    }
    .calendar {
        display: none;
    }
    .mode01_right {
        margin: 20px 0 0 0;
        padding: 0px 0 20px;
    }
    .footer_left {
        width: auto;
        float: none;
        margin: 0 0 20px 0;
    }
    .footer_leftIn {
        padding: 0px;
        border: 0px;
    }
    .footer_rightIn {
        padding: 0px;
        border: 0px;
    }
    .footer_right {
        border: 0px;
    }
    .tabArticleList01 {
        height: auto;
    }
}

@media screen and (max-width:850px) {}

@media screen and (max-width: 768px) {
    .content {
        /*! margin-top:20px; */
    }
    .linkList01 li a strong {
        width: 45px;
    }
    .linkList01 li a {
        margin: 0 5px;
    }
    .mode02 {
        padding: 0 10px
    }
    .linkList01 li {
        width: 33.33%;
        margin-bottom: 10px;
    }
    .tabMenu01 li,
    .listTitle01 h3 {
        font-size: 16px;
        padding: 0 5px;
        margin: 0;
        background-position: left top;
    }
    .item-txt01 h3,
    .list01 li {
        font-size: 14px;
    }
    .topicList01 li {
        width: 50%;
    }
    .linkList01 li:last-child {
        width: 66.66%;
    }
}

@media screen and (max-width:640px) {
    .linkTitle01 {
        float: none;
    }
    .linkList02 {
        margin: 10px 0 0 0;
    }
}

@media screen and (max-width:480px) {
    .imgArticle {
        width: 100%;
    }
    .linkList01 li {
        width: 50%;
    }
    .topicList01 li {
        width: 100%;
        margin-bottom: 10px;
    }
    .linkList01 li:last-child {
        width: 100%;
    }
    .footer_leftIn ul li {
        width: 100%;
        float: none;
    }
}

@media screen and (max-width:400px) {}

@media screen
/*and (min-width:320px)*/

and (max-width:360px) {}