.index_aboutbig_container {
	width:100%; 
}
.sontit-one {
	width:100%;
}
.sontit-one p {
	font-size:28px;
	color:#ccc;
	text-transform:uppercase;
}
.sontit-one h3 {
	font-size:30px;
	color:#333;
	margin-top:16px;
}
.sontit-one.white p,.sontit-one.white h3 {
	color:#333;
}
.index_aboutbig {
	width:100%;
	overflow:hidden;
}
.index_aboutbig-img,.index_aboutbig-wdbox {
	height:682px;
	position:relative;
}
.index_aboutbig-img {
	width:50%;
	object-fit:cover;
	float:left;
}
.index_aboutbig-wdbox {
	display:flex;
	align-items:center;
	background:#EDEDED;
	width:50%;
	float:right;
	padding-left:76px;
}
.index_aboutbig-wd {
	width:80%;
}
.index_aboutbig-wd .sontit-one p {
	opacity:.5;
	line-height:1.2em;
}
.index_aboutbig-desc {
	width:100%;
	margin-top:40px;
	line-height: 24px;
}
.index_aboutbig-desc p {
	font-size:16px;
	color:#fff; 
	margin-top:24px;
	line-height: 24px;
}
.index_aboutbig-desc p:first-child {
	margin-top:0;
}
@media all and (max-width:1599px) {
	.index_aboutbig-wdbox {
	padding-left:60px;
}
.index_aboutbig-desc p {
	margin-top:20px;
}
.index_aboutbig-desc {
	margin-top:32px;
}
.index_aboutbig-img,.index_aboutbig-wdbox {
	height:620px;
}
}@media all and (max-width:1359px) {
	.sontit-one h3 {
	font-size:26px;
	margin-top:14px;
}
.sontit-one p {
	font-size:24px;
}
.index_aboutbig-wd {
	width:100%;
}
.index_aboutbig-wdbox {
	padding:0 40px;
}
.index_aboutbig-img,.index_aboutbig-wdbox {
	height:560px;
}
}@media all and (max-width:1279px) {
	.sontit-one h3 {
	font-size:24px;
	margin-top:12px;
}
.sontit-one p {
	font-size:20px;
}
.index_aboutbig-desc p {
	margin-top:16px;
}
.index_aboutbig-desc {
	margin-top:24px;
}
.index_aboutbig-wdbox {
	padding:0 4%;
}
.index_aboutbig-img,.index_aboutbig-wdbox {
	height:500px;
}
}@media all and (max-width:1000px) {
	.index_aboutbig-img,.index_aboutbig-wdbox {
	width:100%;
	height:auto;
}
.index_aboutbig-wdbox {
	padding:28px 4%;
}
}@media all and (max-width:640px) {
	.sontit-one p {
	font-size:18px;
}
.sontit-one h3 {
	font-size:20px;
	margin-top:8px;
}
.index_aboutbig-desc p {
	margin-top:0;
	line-height:26px;
}
}