* {
	margin: 0;
	padding: 0;
}

.m_banner {
	background: url(../img/jishu_banner.jpg) center no-repeat;
}




/* 驱动钠离子革新 */
.qianyan {
	width: 100%;
	height: 12.8rem;
	margin-top: 0.8rem;
	background: url(../img/qianyan_bg.jpg) center no-repeat;
}

.qianyan .qianyan_class {
	font-weight: 400;
	font-size: 0.66rem;
	color: #FFFFFF;
	padding-top: 2.94rem;
	width: 100%;
}
.qianyan .qianyan_wiper{
	margin-top: 3.79rem;
	position: relative;
	padding-top: 0.88rem;
	padding-bottom: 0.64rem;
}
.qianyan_li {
	width: 4.8rem;
	height: 3.09rem;
	background: rgba(255, 255, 255, 0.18);
	border-radius: 0.2rem;
	padding: 0.45rem 0.4rem 0.4rem 0.4rem;
	margin-right: 0.4rem;
}

.qianyan_li .qianyan_title {
	font-weight: 500;
	font-size: 0.28rem;
	color: #FFFFFF;
	margin-bottom: 0.2rem;
}

.qianyan_li .qianyan_content {
	font-weight: 400;
	font-size: 0.16rem;
	color: #FFFFFF;
	line-height: 0.28rem;
}
.qianyan_wiper .swiper-button-next,
.qianyan_wiper .swiper-button-prev{
	width: 0.48rem;
	height: 0.48rem;
	top: 0.24rem;
	left: 0;
}
.qianyan_wiper .swiper-button-next{
	background: url(../img/jishu_fr.png);
	left: 0.68rem;
}
.qianyan_wiper .swiper-button-prev{
	background: url(../img/jishu_fr.png);
	transform: rotate(180deg);
}
.qianyan_wiper .swiper-button-next:hover{
	background: url(../img/jishu_fl.png);
	transform: rotate(180deg);
}
.qianyan_wiper .swiper-button-prev:hover{
	background: url(../img/jishu_fl.png);
	transform: rotate(0deg);
}





.qianyan_wiper .swiper-button-next::after,
.qianyan_wiper .swiper-button-prev::after{
	display: none;
}
.qianyan_wiper .swiper-pagination{
	position: absolute;
}
.qianyan_wiper .swiper-pagination span{
	width: 0.14rem;
	height: 0.14rem;
	border: 0.02rem solid #0A7E0D;
	opacity: 1;
}


.swiper-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet,
.swiper-pagination-horizontal.swiper-pagination-bullets .swiper-pagination-bullet {
	margin: 0 var(--swiper-pagination-bullet-horizontal-gap, 0.15rem)
}



/* 展望未来 */
.weilai{
	margin-top: 0.8rem;
	margin-bottom: 1.2rem;
}
.weilai .main{
	height: 4.8rem;
	width: 100%;
	background: url(../img/qianyan_bg2.jpg) center no-repeat;
	border-radius: 0.2rem;
	position: relative;
	overflow: hidden;
}
.weilai .weilai_title{
	font-family: Kingsoft_Cloud_Font, Kingsoft_Cloud_Font;
	width: 100%;
	text-align: center;
	font-weight: 400;
	font-size: 0.48rem;
	color: #000000;
	padding-top: 0.88rem;
	margin-bottom: 0.44rem;
	position: relative;
	z-index: 1;
}
.weilai .weilai_content{
	width: 10.5rem;
	height: 1.8rem;
	background: rgba(255, 255, 255, 0.18);
	border-radius: 0.1rem;
	margin: 0 auto;
	padding: 0.37rem 0.48rem;
	font-weight: 400;
	font-size: 0.18rem;
	color: #333333;
	line-height: 0.3rem;
	box-sizing: border-box;
	text-align: center;
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
	z-index: 1;
}





/* Na 动画 */
.nav_anima {
	width: 100%;
	position: absolute;
	height: 4.8rem;
	bottom: 0;
	left: 0;
	z-index: 0;
}

/* 初始状态 */
.na_img:nth-child(1) {
	position: absolute;
	bottom: 51%;
	left: 9%;
	animation: floatUp 3s ease-out forwards, floatDown 2s infinite ease-in-out 2s;
}

.na_img:nth-child(2) {
	position: absolute;
	bottom: 12%;
	left: 26%;
	animation: floatUp 5s ease-out forwards, floatDown 5s infinite ease-in-out 2s;
}

.na_img:nth-child(3) {
	position: absolute;
	bottom: 47%;
	left: 40%;
	animation: floatUp 8s ease-out forwards, floatDown 2s infinite ease-in-out 2s;
}

.na_img:nth-child(4) {
	position: absolute;
	bottom: 60%;
	left: 56%;
	animation: floatUp 3s ease-out forwards, floatDown 3s infinite ease-in-out 2s;
}

.na_img:nth-child(5) {
	position: absolute;
	bottom: 10%;
	right: 14%;
	animation: floatUp 5s ease-out forwards, floatDown 5s infinite ease-in-out 2s;
}

.na_img:nth-child(6) {
	position: absolute;
	bottom: 36%;
	right: 8%;
	animation: floatUp 3s ease-out forwards, floatDown 2s infinite ease-in-out 2s;
}


/* 向上移动的关键帧 */
@keyframes floatUp {
	0% {
		bottom: 0;
		opacity: 0;
		/* 开始时完全透明 */
	}

	100% {
		/* bottom: 80%; */
		/* 移动到页面顶部附近 */
		opacity: 1;
		/* 完全不透明 */
	}
}

/* 漂浮的关键帧 */
@keyframes floatDown {
	0%,
	100% {
		transform: translateY(0px) translateX(-20%);
	}

	50% {
		transform: translateY(-20px) translateX(-20%);
	}
}