html,
body {
	position: relative;
	height: 100%;
}

body {
	background: #fff;
	font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
	font-size: 14px;
	color: #000;
	margin: 0;
	padding: 0;
}

.warp {
	max-width: 460px;
	margin: 0 auto;
	background: rgb(226, 226, 226);
	height: 100%;
	position: relative;
	min-height: 100vh;
}

.warp_long {
	height: auto;
	padding-bottom: 90px;
}

.menu_bootom {
	position: fixed;
	margin: 0 auto;
	max-width: 460px;
	width: 100%;
	background: none;
	bottom: 0;
	left: 50%;
	margin-left: -230px;
	z-index: 999;
}

.menu_block {
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 15px 0;
}

.menu_item {
	width: 30%;
}

.menu_item>a {
	display: block;
	text-align: center;
	cursor: pointer;
}

.menu_item>a>img {
	width: 33%;
}

.menu_item>a>p {
	font-size: 14px;
	color: #666;
	margin-top: 6px;
}

.head_tit_b {
	padding-top: 15px;
	padding-left: 15px;
}

.head_tit_b>img {
	width: 30%;
}

.main_block {
	width: 100%;
	padding: 20px 20px;
	position: absolute;
	top: 5%;
	height: 95vh;
	overflow: hidden;
	/* padding-top: 50px; */
	/* z-index: 9; */
}

.main_block .mySwiper {
	height: 100%;
}

.main_block .swiper-slide {}

.swiper-slide a {
	position: relative;
	display: block;
	transform: translateZ(10px);
	/* 关键：大一点 */
	pointer-events: auto;
}

.main_block .swiper-slide img {
	display: block;
	width: 100%;
	height: auto;
	object-fit: cover;
}

.qj_bg_area {
	position: absolute;
	width: 100%;
	left: 0;
	top: 0;
	height: 100vh;
	background: rgba(0, 0, 0, .6);
	z-index: 9999;
	display: none;
}

.qj_wechat_cont {
	text-align: center;
	margin-top: 50%;
}

.qj_wechat_cont img {
	width: 75%;
}

.qj_share_cont {
	text-align: center;
	margin-top: 0%;
}

.qj_share_cont img {
	width: 100%;
}

.qj_bg_x {
	margin-top: 10px;
	text-align: center;
}

.qj_bg_x>a {
	display: inline-block;
}

.qj_bg_x>a>img {
	width: 30px;
}

/* aboutbbu */
.head_bbu_t img {
	width: 100%;
}

.long_c_block img {
	width: 100%;
}

/* speakerlist */
.head_bbu_t h3 {
	margin: 0;
	font-size: 20px;
	line-height: 1.6;
	font-weight: 300;
	padding: 15px;
}

.head_bbu_t h3 span {
	font-weight: 600;
}

.sp_list {
	/* margin-top: 15px; */
	padding: 15px;
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
	gap: 2%;
	row-gap: 20px;
}

.sp_item {
	width: 48%;
	min-height: 240px;
	/* background-color: #eee; */


}
.sp_item a{
	display: block;
	width: 100%;
	height: 100%;
}
.sp_item a img {
	width: 100%;

}

/* project */
.project_block {
	width: 100%;
	position: relative;
}

.project_block .swiper-slide>div {
	display: block;
	position: relative;
}

.project_block .swiper-slide img {
	width: 100%;
	height: 100vh;
	object-fit: contain;
}

.pj_item_name {
	position: absolute;
	bottom: 180px;
	padding: 0 30px;
	font-size: 26px;
	/* font-weight: 600; */
	color: #eee;
	text-shadow: 2px 2px 4px #000;
}

.pj_all_bd {
	position: absolute;
	bottom: 100px;
	margin: 0 auto;
	max-width: 460px;
	width: 100%;
	left: 50%;
	margin-left: -230px;
	z-index: 99;
}

.pj_abd_list {
	display: flex;
	justify-content: left;
	padding: 0 30px;
	gap: 2%;
}

.pj_abd_list>a {
	display: block;
	width: 32%;
	text-align: center;
	font-size: 16px;
	color: #333;
	background: #eee;
	line-height: 3;
	border-radius: 5px;
	display: none;
}

.pj_all_lt {
	position: absolute;
	top: 20px;
	left: 30px;
	z-index: 99;
}

.pj_all_rt {
	position: absolute;
	top: 20px;
	right: 30px;
	z-index: 99;
}

.pj_all_lt h3 {
	margin: 0;
	font-size: 20px;
	line-height: 1.6;
	font-weight: 300;
	padding: 0px;
	color: #eee;
	text-shadow: 2px 2px 4px #000;
}

.pj_all_lt h3 span {
	font-weight: 600;
}

.pj_all_rt h3 {
	margin: 0;
	font-size: 20px;
	line-height: 1.6;
	font-weight: 300;
	padding: 0px;
	color: #eee;
	text-shadow: 2px 2px 4px #000;
}