.bannerSwiper .swiper-slide {
	position: relative;
}
.bannerSwiper .swiper-slide::after {
	position:absolute;
	left:0;
	right:0;
	bottom:0;
	width:100%;
	height:140px;
	content:"";
	background:linear-gradient(180deg,rgba(0,0,0,0) 0,rgba(0,0,0,.6) 100%)
}
.bannerSwiper .swiper-button-prev,
.bannerSwiper .swiper-button-next {
    width: 36px;
    height: 36px;
    top: 50%;
	transform: translate(0, -50%);
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
    position: absolute;
    overflow: hidden;
    margin-top: 0;
    cursor: pointer;
    right: auto;
    z-index: 1;
}
.bannerSwiper .swiper-button-prev {
    left: 20px;
}
.bannerSwiper .swiper-button-next {
    right: 20px;
}
.bannerSwiper .swiper-pagination-bullet {
	width: 5px;
	height: 5px;
	border-radius: 50%;
	background: rgba(255, 255, 255, .45);
	opacity: 1;
}
.bannerSwiper .swiper-pagination-bullet-active {
	width: 80px;
	border-radius: 13px;
	opacity: 1;
	position: relative;
}
.bannerSwiper .swiper-pagination-bullet-active::before{
	left: 0;
	width: 0;
	height: 5px;
	bottom: 0;
	content:"";
	border-radius: 13px;
	background-color:#FFFFFF;
	position: absolute;
	z-index: 1;
	opacity: 1;
	opacity:1;
	animation: 5s forwards grow;
	-webkit-animation: 5s forwards grow
}
@keyframes grow{
	0%{width: 0}
	100%{width: 80px}
}
@-webkit-keyframes grow{
	0%{width: 0}
	100%{width: 80px}
}
.bannerSwiper .swiper-pagination {
	bottom: -25px !important;
}

.itemBlock .container-box {
	margin: 0 auto;
	padding: 72px 120px;
}
.itemBlock .container-box .txt-box {
	font-size: 20px;
	font-family: Avenir-Roman;
	color: rgba(0, 0, 0, .65);
	line-height: 27px;
    width: 1104px;
    margin: 0 auto;
text-align: justify;
}
.itemBlock .container-box .list {
	display: flex;
    justify-content: center;
	margin-top: 46px;
}
.itemBlock .container-box .item {
	width: 320px;
    height: 380px;
	margin-right: 72px;
	position: relative;
	cursor: pointer;
}
.itemBlock .container-box .item:nth-last-child(3) {
	margin-right: 0;
}
.itemBlock .container-box .item img {
	width: 100%;
	height: 100%;
	position: relative;
}
.itemBlock .container-box .item .mask {
	width: 100%;
	height: 112px;
	position: absolute;
	bottom: 0;
	left: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-direction: column;
    background-color: rgba(0, 0, 0, .4);
	font-size: 28px;
	color: #FFFFFF;
	line-height: 38px;
	font-family: Avenir-Medium;
	font-weight: 500;
}
.itemBlock .container-box .item .mask>div {
	width: 102px;
    height: 32px;
    margin-top: 6px;
	background-color: #2357A5;
	font-size: 12px;
	color: #FFFFFF;
	padding-top: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
	display: none;
}
.itemBlock .container-box .item:hover .mask>div {
    display: flex;
}
.itemBlock .container-box .item:hover .mask {
	height: 100%;
}

/* 移动端适配 */
@media screen and (max-width: 768px) {

	.itemBlock .container-box {
		padding: 30px 20px;
	}

	.itemBlock .container-box .txt-box {
		font-size: 16px;
		line-height: 22px;
    width: 300px;
	}

	.itemBlock .container-box .list {
		flex-direction: column;
		align-items: center;
		margin-top: 30px;
	}
	
	.itemBlock .container-box .item {
		width: 100%;
		max-width: 300px;
		height: 300px;
		margin-right: 0;
		margin-bottom: 30px;
	}
	
	.itemBlock .container-box .item:nth-last-child(3) {
		margin-bottom: 0;
	}
	
	.itemBlock .container-box .item .mask {
		height: 100px;
		font-size: 20px;
		line-height: 28px;
	}
	
	.itemBlock .container-box .item .mask>div {
		width: 80px;
		height: 28px;
		margin-top: 5px;
		font-size: 10px;
		display: flex;
	}
	
	.itemBlock .container-box .item:hover .mask {
		height: 100%;
	}
}