.history .common_center {
	padding-bottom: 1.28rem;
}
.history .title {
	font-size: 0.3rem;
	font-family: Microsoft YaHei;
	font-weight: bold;
	color: #010101;
}
.history_main {
	margin-top: 0.3rem;
	padding: 1.01rem 0.4rem 1.22rem;
	background-image: url('../img/about/history.jpg');
	background-repeat: no-repeat;
	background-size: cover;
}

/* gallery */
.history_gallery {
	max-width: calc(100% - 1.9rem);
	margin: 0 auto;
}
.history .history_gallery .flex_box1 {
	flex: 0 0 4.5rem;
}
.history .history_gallery .flex_box2 {
	flex: 0 0 0.47rem;
}
.history .history_gallery .title {
	color: var(--main_color);
	font-size: 0.4rem;
	font-weight: normal;
	margin-top: 0.39rem;
}
.history .gallery {
	height: 2.8rem;
}
.history .history_gallery .des_items {
	margin-top: 0.17rem;
}
.history .history_gallery .des_item {
	color: #333;
	font-size: 0.18rem;
	margin-bottom: 0.14rem;
	transition: var(--transition);
	cursor: pointer;
	position: relative;
	padding-left: 0.17rem;
}
.history .history_gallery .des_item::before {
	content: '';
	display: inline-block;
	border-radius: 50%;
	background-color: #333;
	width: 0.1rem;
	height: 0.1rem;
	transition: var(--transition);
	cursor: pointer;
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	left: 0;
}
.history .history_gallery .des_item:hover::before {
	background-color: var(--main_color);
}
.history .history_gallery .des_item:hover {
	color: var(--main_color);
}

/* thumbs */
.history .history_thumbs {
	margin-top: 0.81rem;
	position: relative;
}
.history .history_thumbs::before {
	content: '';
	display: block;
	width: 100%;
	height: 0.02rem;
	background-color: var(--main_color);
	position: absolute;
	transform: translateY(-50%);
	top: 50%;
}
.history .history_thumbs .thumbs {
	color: #fff;
	font-size: 0.18rem;
	position: relative;
	line-height: 0.71rem;
	text-align: center;
	cursor: pointer;
}
.history .history_thumbs .thumbs::before {
	content: '';
	display: block;
	width: 0.58rem;
	height: 0.58rem;
	background-color: #CBCACA;
	border-radius: 50%;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	z-index: -1;
	transition: var(--transition);
}
.history .history_thumbs .swiper-slide-thumb-active .thumbs {
	font-size: 0.2rem;
	font-family: Arial, Arial;
	font-style: italic;
}
.history .history_thumbs .swiper-slide-thumb-active .thumbs::before {
	background-color: var(--main_color);
}
.history .history_thumbs .swiper-slide-thumb-active .thumbs::after {
	content: '';
	display: block;
	width: 0.71rem;
	height: 0.71rem;
	border-radius: 50%;
	border: 1px solid var(--main_color);
	background-color: #fff;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	box-sizing: border-box;
	z-index: -2;
	animation: circle 1.2s linear infinite;
}
@keyframes circle {
	0% {
		width: 0.58rem;
		height: 0.58rem;
		opacity: 1;
	}
	100% {
		width: 0.71rem;
		height: 0.71rem;
		opacity: 0.8;
	}
}


/* btn */
.btn_box {
	position: relative;
}
.history_prev,
.history_next {
	width: 0.2rem;
	height: 0.36rem;
}
.history_prev {
	background-image: url('../img/about/history3.png');
	background-repeat: no-repeat;
	transition: var(--transition);
	filter: grayscale(1) opacity(.7);
	transform: rotate(180deg);
	background-size: 100%;
}
.history_prev:hover {
	filter: grayscale(0);
}
.history_next {
	background-image: url('../img/about/history3.png');
	background-repeat: no-repeat;
	transition: var(--transition);
	filter: grayscale(1) opacity(.7);
	background-size: 100%;
}
.history_next:hover {
	filter: grayscale(0);
}
.history_prev::after,
.history_next::after {
	display: none;
}




@media only screen and (max-width: 1024px){
    .history .title{
        padding: 15px;
        padding-bottom: 0px;
    }
    .history .common_center{
    padding-block: 0px;
}
}