.twinsa_bg{
	background: url('../img/product_bg.jpg') no-repeat center !important;
	background-size: 100% 100% !important;
}
.twinsa{
	background-color: #30649f;
}
.twinsa_left{
	margin-left: 100px;
	color: #fff;
	align-self: flex-start;
	margin-top: 4rem;
	padding-bottom: 2rem;
}
.twinsa_left_head{
	/* margin-top: 40px; */
}
.twinsa_left h3{
	font-size: 3.5rem;
	line-height: 3.5rem;
	margin-top: 4rem;
	color: #88ccec;
	display: block;
	text-transform: uppercase;
}
.twinsa_left_head h4{
	font-size: 34px;
	line-height: 42px;
	color: #fff;
	display: block;
	text-transform: uppercase;
}
.twinsa_left h5{
	font-size:1.2rem;
	text-transform: uppercase;
	margin-top:5.5rem;
}
.twinsa_left h6{
	font-size:26px;
	margin-top:2rem;
	color: #fff;
}
.twinsa_left p{
	font-size:1rem;
	margin-top: 1rem;
	line-height: 1.2rem;
	max-width: 34.3vw;
	word-break: break-word;
}
.twinsa_left_icon{
	width: 76px;
	height: 76px;
	display: block;
	margin-right: 20px;
}
.twinsa_left_logo{
	height: 56px;
	display: block;
	margin-right: 20px;
}
.twinsa_left_title{
	align-self: flex-end;
}
.twinsa_right{
	display: flex;
	justify-content: flex-end;
	align-items: flex-end;
	flex-direction: column;
	padding-bottom: 2rem;
}
.twinsa_right h6{
	font-size:26px;
	color: #fff;
	/* margin-top:2rem; */
}
.twinsa_right_item{
	width: 39.4vw;
	font-size:26px;
	height: 40px;
	line-height:  40px;
	/* margin: 0.6rem 0; */
	padding-left: 20px;
	color: #fff;
	display: flex;
	/* margin-bottom: 0.5rem; */
}
.twinsa_right_itemc{
	width: 39.4vw;
	font-size:1.6rem;
	height: 37px;
	line-height:  37px;
	padding-left: 20px;
	color: #fff;
	display: flex;
	/* margin-bottom: 0.5rem; */
}
.twinsa_right_active:hover{
	background-color: rgba(255, 255, 255, .27);
	cursor: pointer;
}
.twinsa_right_l{
	flex: 1;
	display: block;
	padding-left: 2rem !important;
	font-size:1rem !important;
	color: #fff;
	width: 39.4vw;
	height:36px;
	line-height:36px;
}

.download_t{
	font-size: 1rem;
	color: #30649f;
	/* position: absolute; */
	/* right: 3rem; */
	/* bottom: 1rem; */
	display: flex;
	align-items: center;
	justify-content: center;
}
.download_t img{
	height: 1rem;
	margin-left: 0.5rem;
}

.twinsa1{
	width: 58vw;
	position: relative;
}
.twinsa1_notice{
	color: #fff;
	font-size: 1rem;
	line-height: 1.1rem;
	width: 60%;
	word-break: break-word;
}
.twinsa1_box{
	background-color: #fff;
	margin-top:0.8rem;
	min-height: 25vh;
	/* overflow: hidden; */
	align-items: stretch;
	max-height: 400px;
	overflow-y: scroll;
}
.twinsa1_box::-webkit-scrollbar 
{ 
	width: 10px; 
} 
   
/*定义滚动条轨道 内阴影+圆角*/ 
.twinsa1_box::-webkit-scrollbar-track 
{ 
	-webkit-box-shadow: inset 0 0 1px rgba(0,0,0,0.3); 
	border-radius: 5px; 
	background-color: orange;  
} 
   
/*定义滑块 内阴影+圆角*/ 
.twinsa1_box::-webkit-scrollbar-thumb 
{ 
	border-radius: 0px; 
	-webkit-box-shadow: inset 0 0 1px rgba(0,0,0,0); 
	background-color: olivedrab; 
}
.twinsa1_img1{
	/* max-width: 20vw; */
	/* width: 100%; */
	/* max-height: 30vh; */
	/* height: 100%; */
	/* max-height: 25vh; */
	overflow: hidden;
	background-size: 100% 100%;
	background-repeat: no-repeat;
	background-position: center;
}
.twinsa1_img1 img{
	max-height: 26vh;
	width: 100%;
	display: block;
	opacity: 0;
}
.twinsa1_dl{
	margin-left: 2rem;
	margin-right: 9rem;
	margin-top: 1rem;
	margin-bottom: 1rem;
	align-self: flex-start;
	padding-right:1rem
}
 .twinsa1_dl::-webkit-scrollbar 
	{ 
		width: 10px; 
	} 
	   
	/*定义滚动条轨道 内阴影+圆角*/ 
	.twinsa1_dl::-webkit-scrollbar-track 
	{ 
		-webkit-box-shadow: inset 0 0 1px rgba(0,0,0,0.1); 
		border-radius: 5px; 
		background-color: #f8f8f8;  
	} 
	   
	/*定义滑块 内阴影+圆角*/ 
	.twinsa1_dl::-webkit-scrollbar-thumb 
	{ 
		border-radius: 0px; 
		-webkit-box-shadow: inset 0 0 1px rgba(0,0,0,.3); 
		background-color: #30649f; 
	}
.twinsa1_dt{
	/* margin-bottom: 1.3rem; */
}
.twinsa1_dl img{
	height: 7rem;
	margin-bottom: -4rem;
}
.twinsa1_dt h2{
	font-size: 26px;
	margin-bottom: 1rem;
}
.twinsa1_dt h3{
	font-size: 1.2rem;
	/* margin-bottom: 0.5rem; */
}
.twinsa1_dt h4{
	font-size: 1.2rem;
	font-weight: normal;
	color: #898989;
}
.twinsa1_dl p{
	font-size: 1rem;
	color: #898989;
	word-break: break-word;
	line-height: 1.1rem;
	white-space: pre-line;
	/* padding-bottom: 2rem; */
	/* text-align: justify; */
}
.twinsa1_arrow{
	height: 3.5rem;
	position: absolute;
	right: 3.5rem;
	bottom: 1rem;
	cursor: pointer;
}