/* 公共标题样式 */
section {
    padding: 20px 0 30px;
}

section h2,
section h4 {
    text-align: center;
}

section h2 {
    font-weight: 500;
    color: #333;
}

section h4 {
    font-weight: 300;
    margin-bottom: 20px;
}
section h4 {
    color: #ccc;
}
/* 首页 */


/* 检索 */
.search_container{
    background-image: url(../images/bg_header.png);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    height: 540px;
}
.search_container .search_main{
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
}
.search_container .search_main h1{
    font-size: 40px;
    text-align: center;
    width: 100%;
    margin: 0px 0 40px;
    font-weight: bold;
    color: #fff;
    letter-spacing: 5px;
}
.search_container .search_box {
    display: flex;
    align-items: center;
    width: 100%;
    background: #fff;
    border-radius: 10px;
}
.search_container .search_box .ico_search{
    text-align: center;
    background: url(../images/ico_search.png) no-repeat center;
    width: 25px;
    height: 25px;
    margin-left: 20px;
}
.search_container .search_box input {
    flex: 1;
    height: 60px;
    border: 1px solid #ffffff;
    font-size: 16px;
}
.search_container .search_box button {
    margin: 0;
    height: 60px;
    border: 0;
    color: #fff;
    font-size: 16px;
    width: 118px;
}
.search_container .search_box .search_btn {
    background-color: #2054BF;
}
.search_container .search_box .search_btn_advance {
    border-radius: 0px 8px 8px 0px;
    background: #8ab4ea;
}
.search_container .category_title {
    font-size: 28px;
    margin: 30px 0;
    color: #fff;
    display: flex;
    align-items: center;
    font-weight: bold;
    letter-spacing: 3px;
}
.search_container .category_title .category_title_border {
    display: inline-block;
    width: 250px;
    border-bottom: 1px solid #ccc;
    margin: 0 30px;
}



/* 学科分类 */
.el_row{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-pack: distribute;
    justify-content: space-around;
    align-items: center;
    font-size: 16px;
    height: 184px;
    text-align: center;
    width: 1000px;
}
.el_item{
    -webkit-box-flex: 1;
    -ms-flex: 1;
    flex: 1;
    height: 184px;
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
}
.el_item .name{
    color: #fff;
    margin: 16px 8px;
    font-weight: 600;
    font-size: 18px;
}
.el_item .type{
    font-size: 14px;
}
.el_row .el_item:nth-child(1){
    background: #ffffff20;
    border-radius: 10px 0 0 10px;
}
.el_row .el_item:nth-child(2){
    background: #ffffff25;
}
.el_row .el_item:nth-child(3){
    background: #ffffff30;
}
.el_row .el_item:nth-child(4){
    background: #ffffff25;
}
.el_row .el_item:nth-child(5){
    background: #ffffff20;
    border-radius:0 10px 10px 0;
}
.el_row .el_item:hover {
    background-color: #ffffff50;;
}




/* 热点文章 */
.hot_paper{
    background-color: #fff;
}
.hot_paper .article_list{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.hot_paper .article_list li {
    width: 49%;
    border: 1px solid #e2e2e2;
    margin: 5px 0;
    padding: 10px;
}

.hot_paper .article_list li .article_title {
    color: #333;
    font-size: 16px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    padding: 8px 0;;
}

.hot_paper .article_list li .article_abstract {
    color: #999;
    font-size: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    padding: 0;
    margin: 5px 0px 10px 0;
    font-weight: 400;
    line-height: 24px;
    margin: 10px 0;
}

.hot_paper .article_list li .article_list_bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 400;
    color: #999;
    margin: 10px 0;
}

.hot_paper .article_list li .article_list_bottom .fa {
    margin-right: 5px;
}

.hot_paper .article_list li .article_list_bottom .authors {
    width: 60%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}


.unit_per{
    height:420px;
    background-color: #fff;
}
/* 公共更多 */
.detail_footer{
    text-align: center;
    margin-top: 20px;
}
.detail_footer .operation_btn{
    display: inline-block;
    font-size: 16px;
    width: 118px;
    height: 50px;
    line-height: 50px;
    border-radius: 10px;
    border: 1px solid #007AFF;
    color: #007AFF;
}

/* 最新卷期 */
.latest_issue{
    background: #F3F9FF;
    height: 520px;
}
.journal_img_list{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: distribute;
    -webkit-box-pack: space-around;
    -ms-flex-pack: space-around;
    justify-content: space-around;
}
.journal_img_list li{
    position: relative;
    width: 190px;
    padding: 0;
    height: 305px;
    text-align: center;
}
.journal_img_list li img{
    margin-bottom: -80px;
    width: 155px;
    height: auto;
}
.journal_img_list .journal_main{
    height: 170px;
    text-align: center;
    background: #fff;
    width: 190px;
    box-shadow: 0px 4px 12px 0px rgba(0,0,0,0.06);
    border-radius: 10px;
}
.journal_img_list li .name{
    color: #333333;
    font-size: 16px;
    position: absolute;
    bottom: 45px;
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 600;
}
.journal_img_list li .issue{
    color: #2155BF;
    font-size: 14px;
    margin-bottom: 17px;
    position: absolute;
    bottom: 0px;
    width: 100%;
}


/* 合作期刊 */
#fourFlash {
    width: 1000px;
    height: 210px;
    margin: 0 auto;
    position: absolute;
    border-top: none;
}

#fourFlash .flash_bg {
    width: 910px;
    height: 210px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

#fourFlash .flash_bg ul.journal {
    width: 2000%;
    height: 210px;
    position: absolute;
    top: 5px;
    left: 0;
}

#fourFlash .flash_bg ul.journal li {
    float: left;
    width: 138px;
    height: 200px;
    margin-left: 12px;
    padding-top: 10px;
}

#fourFlash .flash_bg ul.journal li a {
    color: #3c3c3c;
}

#fourFlash .flash_bg ul.journal li img {
    width: 100%;
    height: 100%;
}

#fourFlash .flash_bg ul.journal li dd {
    font-size: 20px;
    width: 250px;
    line-height: 60px;
    text-align: center;
    border-bottom: 1px solid #dadce3;
}

#fourFlash .flash_bg ul.journal li p {
    font-size: 16px;
    text-align: center;
    width: 250px;
    line-height: 24px;
    margin-top: 10px;
}

#fourFlash .btn_operate {
    width: 45px;
    height: 45px;
    line-height: 45px;
    position: absolute;
    text-align: center;
    cursor: pointer;
    font-size: 30px;
    color: #fff;
    background: #ccc;
    border-radius: 25px;
}

#fourFlash .but_left {
    top: 85px;
    left: 0px;
}

#fourFlash .but_right {
    top: 85px;
    right: 0px;
}

#fourFlash .btn_operate:hover {
    color: #333;
}

/* 近期热词 */
.hot_words{
    height: 445px;
    background: #F3F9FF;
}
.hot_main_words{
    border-radius: 50%;
    background-color: #EEF5FF;
}

#ball {
    position: relative;
    width: 900px;
    height: 300px;
    margin: 30px auto;
}
#ball .item {
    color: #0b85ff;
    position: absolute;
    font-size: 14px;
    font-weight: bold;
    overflow: hidden;
    text-decoration: none;
}
#ball .item:hover {
    text-decoration: underline;
}

.home_giz{
    height: 250px;
    background-color: #F3F9FF ;
}
.home_main_giz{
    display: flex;
    justify-content: space-evenly;
    height: 100%;
    align-items: center;
}
.home_main_giz img{
    width: 280px;
    height: 90px;
}

/* 首页内容完毕 */