/* -------------basic------------- */

* {
    margin: 0;
    padding: 0;
}

html {
    min-width: 1240px;
}

body {
    font-family: Microsoft Yahei, "微软雅黑", Arial;
    font-size: 16px;
    color: #2E3033;
    background-image: url("../images/bg/bg_body.png");
    background-size: cover;
}

ul,
ol,
dl {
    list-style: none;
}

a {
    text-decoration: none;
}

img {
    border: none;
}

button,
input,
textarea,
select {
    outline: none;
    border: none;
}

.zm_wrap {
    width: 1240px;
    box-sizing: border-box;
    margin: 0 auto;
}

/* -------------顶部------------- */
#zm_header {
    position: relative;
}

#zm_header .img_container a {
    display: inline-block;
    width: 100%;
}

#zm_header .img_container img {
    width: 100%;
    min-height: 80px;
}

#zm_header .zm_wrap {
    position: absolute;
    top: 40px;
    left: 50%;
    transform: translateX(-50%);
}

#zm_header ul {
    display: flex;
    flex-direction: row;
    justify-content: flex-end;
}

#zm_header ul li {
    margin-left: 24px;
}

#zm_header .language {
    display: inline-block;
    height: 40px;
    box-sizing: border-box;
    padding: 0px 20px 0px 44px;
    border-radius: 40px;
    border: 1px solid #FFFFFF;
    background: url("../images/icon/icon_language.png") no-repeat;
    background-size: 26px 26px;
    background-position: 10px center;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 38px;
}

/* -------------底部------------- */
#zm_footer {
    padding: 68px 0px 40px 0px;
    background-color: #FFFFFF;
    background-image: url("../images/bg/bg_footer_left.png"), url("../images/bg/bg_footer_right.png");
    background-position: left bottom, right bottom;
    background-repeat: no-repeat;
}

#zm_footer .zm_wrap {
    display: flex;
    flex-direction: row;
}

#zm_footer .zm_wrap .footer_left {
    flex: none;
}

#zm_footer .zm_wrap .footer_right {
    flex: 1;
    margin-left: 22px;
}

#zm_footer .organization {
    margin-top: 40px;
    padding-left: 16px;
    border-left: 1px solid #A1A8B2;
}

#zm_footer .organization:first-child {
    margin-top: 0;
}

#zm_footer .organization .title {
    font-size: 24px;
    line-height: 32px;
    color: #1E1E1E;
}

#zm_footer .organization ul {
    display: flex;
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
    margin-left: -28px;
}

#zm_footer .organization ul li {
    margin-left: 28px;
    margin-top: 14px;
    font-size: 0;
}

/* 承办单位 */
#zm_footer .organization.undertaker ul {
    margin-left: -4px;
}

#zm_footer .organization.undertaker ul li {
    margin-left: 4px;
}

#zm_footer .organization ul li img {
    max-height: 64px;
}

#zm_footer .organization ul li.pku_innovation img {
    max-height: 52px;
}

#zm_footer .organization ul li.spec_height img {
    max-height: 44px;
}

/* -------------各页面公用样式------------- */
.section_part {
    position: relative;
}

/* 目录 */
.section_part ul.catelog {
    display: none;
    position: absolute;
    left: 0;
    top: 20px;
}

.section_part ul.catelog li {
    margin-top: 23px;
    padding-left: 69px;
    opacity: 0.6;
}

.section_part ul.catelog li:first-child {
    margin-top: 0;
}

.section_part ul.catelog li a {
    display: inline-block;
    font-size: 14px;
    color: #A1A8B2;
    font-weight: 700;
    line-height: 18px;
}

/* 英文版页面 */
.en .section_part ul.catelog li a {
    font-size: 11px;
}

.section_part ul.catelog li.active {
    padding-left: 53px;
    opacity: 1;
    position: relative;
}

.section_part ul.catelog li.active::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: -4px;
    width: 53px;
    height: 2px;
    background: #0044A2;
    opacity: 0.2;
}

.section_part ul.catelog li.active a {
    color: #0044A2;
}

.section_part ul.catelog li.active a::first-letter {
    margin-right: 2px;
    padding: 4px;
    background: #0044A2;
    font-size: 20px;
    line-height: 26px;
    color: #fff;
}

/* 标题 */
.section_title {
    margin-bottom: 40px;
    text-align: center;
}

.section_title span,
.section_title a {
    display: inline-block;
    padding-bottom: 12px;
    font-size: 44px;
    color: #2E3033;
    font-weight: 700;
    line-height: 58px;
    position: relative;
}

.section_title a {
    color: #0044A2;
}

.section_title span::after,
.section_title a::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 54px;
    height: 4px;
    background: #0044A2;
    margin-left: -27px;
}

.section_title+.aux {
    margin-top: -8px;
    margin-bottom: 16px;
    font-size: 16px;
    font-weight: 400;
    line-height: 21px;
    color: #737373;
    text-align: center;
    cursor: default;
}

.section_title+.aux a {
    color: #0044A2;
}

.word {
    white-space: nowrap;
}

.text_ov3{
	text-align: justify;
	display: -webkit-box; 
	-webkit-box-orient: vertical; 
	-webkit-line-clamp: 3; 
	overflow: hidden;
}
.text_ov2{
	text-align: justify;
	display: -webkit-box; 
	-webkit-box-orient: vertical; 
	-webkit-line-clamp: 2; 
	overflow: hidden;
}
.text_ov{
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}