/* 通用 */
:root {
	--colorLight: #0799cc;
	/*--colorTitle: #046d91;*/
	--colorTitle: #069aca;
    --font_c: Arial, Helvetica, sans-serif, PingFangSC-Regular, "思源黑体","微软雅黑";
}

.websiteName {
	margin-bottom: .1rem;
	font-size: .24rem;
	color: var(--colorTitle);
	font-family: 'AmerigoBT-MediumA', var(--font_c); text-transform: uppercase;
}

section {
	font-size: 0;
}

.top-banner {
	width: 100%; height: 5.24rem;
	position: relative;
	background-size: cover;
	background-position: center;
	background-repeat: no-repeat;
}
.top-banner .main {
	position: relative;
	height: 100%;
}
.top-banner .text {
	color: #fff;
	position: relative;
	left: 0; top: 50%;
	transform: translateY(-50%);
}
.top-banner .text1 {
	font-family: AvantGardeITCbyBT-Medium,var(--font);
	font-size: .48rem;
	line-height: .76rem;
}
.top-banner .text2 {
	font-family: Alibaba-PuHuiTi-Regular,var(--font);
	font-size: .3rem;
	line-height: .64rem;
}

.banner-about {
	background-image: url(../images/banner-about.jpg);
}
.banner-products {
	background-image: url(../images/banner-products.jpg?t=20220611);
}
.banner-research {
	background-image: url(../images/banner-research.jpg);
}
.banner-news {
	background-image: url(../images/banner-news.jpg);
}
.banner-qc {
	background-image: url(../images/banner-qc.jpg);
}
.banner-contact {
	background-image: url(../images/banner-contact.jpg);
}
@media screen and (max-width: 834px) {
.websiteName {
	font-size: .15rem;
}
.top-banner {
	height: 3rem;
}
.top-banner .main {

}
.top-banner .text1 {
	font-size: .3rem;
	line-height: 1.5;
}
.top-banner .text2 {
	font-size: .24rem;
	line-height: 1.5;
}
}