@media (max-width:768px){
  
    *{
    font-size: 1rem !important;
  }
  
  .pcH{
    display: none;
    height: 0 !important;
  }
  .phoneH{
    display: block !important;
  }

  .container-science {
		width: 100%;
		height: auto;
		margin: 0 auto;
	}
	
	.container-science-main {
		width: 100%;
		/* height: 484px; */
	}
	
	.science-tip {
		position: absolute;
		bottom: 0;
		top: 0;
		left: 0;
		right: 0;
		margin-top: 120px;
		margin-left: calc((100% - 960px) / 2 + 362px);
		letter-spacing: 1.5px;
	}
	.tip-S {
		font-family: AlibabaPuHuiTi-Medium;
		float: left;
		color: #2EB272;
		font-size: 1.3rem!important;
		line-height: 19.22px;
		font-style: italic;
		margin-top: 3%;
	}
	
	.tip-cience {
		font-family: AlibabaPuHuiTi-Medium;
		float: left;
		color: #3F3B3A;
		font-size: 1.3rem!important;
		line-height: 19.22px;
		font-style: italic;
		margin-top: 3%;
	}
	
	.tip-special {
		font-family: AlibabaPuHuiTi-Medium;
		float: left;
		color: #3F3B3A;
		font-size: 1.3rem!important;
		line-height: 19.22px;
		font-style: italic;
		margin-top: 3%;
	}
	
	.tip-T {
		font-family: AlibabaPuHuiTi-Medium;
		float: left;
		color: #2EB272;
		font-size: 1.3rem!important;
		line-height: 19.22px;
		font-style: italic;
		margin-top: 3%;
	}
	
	.tip-ech {
		font-family: AlibabaPuHuiTi-Medium;
		float: left;
		color: #3F3B3A;
		font-size: 1.3rem!important;
		font-style: italic;
		margin-top: 7px;
	}
	
	.tool-tip {
		width: 900px;
		height: auto;
		position: relative;
		bottom: 0;
		top: 0;
		left: 0;
		right: 0;
		/* margin-top: 245px; */
		margin-left: calc((100% - 960px) / 2 + 63.5px);
		/*letter-spacing: 1.5px;*/
		background-color: rgba(255,255,255, 0.8);
		filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#C8ffffff,endColorstr=#C8ffffff);
		padding: 15px  15px  15px  25px;
	}
	
	.tool-tip p {
		color: #3F3B3A;
		font-size: 11.5px;
	}
}

@media (min-width:768px) {
	.phoneH{
    display: none ;
  }

  .container-science {
		width: 960px;
		height: 484px;
		margin: 0 auto;
	}
	
	.container-science-main {
		width: 960px;
		/* height: 484px; */
	}
	
	.science-tip {
		position: absolute;
		bottom: 0;
		top: 0;
		left: 0;
		right: 0;
		margin-top: 180px;
		margin-left: calc((100% - 960px) / 2 + 302px);
		letter-spacing: 1.5px;
	}
	.tip-S {
		font-family: AlibabaPuHuiTi-Medium;
		float: left;
		color: #2EB272;
		font-size: 50px;
		line-height: 19.22px;
	    font-style: italic;
	}
	
	.tip-cience {
		font-family: AlibabaPuHuiTi-Medium;
		float: left;
		color: #3F3B3A;
		font-size: 30px;
		line-height: 19.22px;
		font-style: italic;
		margin-top: 7px;
	}
	
	.tip-special {
		font-family: AlibabaPuHuiTi-Medium;
		float: left;
		color: #3F3B3A;
		font-size: 30px;
		line-height: 19.22px;
		font-style: italic;
		margin-top: 7px;
	}
	
	.tip-T {
		font-family: AlibabaPuHuiTi-Medium;
		float: left;
		color: #2EB272;
		font-size: 50px;
		line-height: 19.22px;
	    font-style: italic;
	}
	
	.tip-ech {
		font-family: AlibabaPuHuiTi-Medium;
		float: left;
		color: #3F3B3A;
		font-size: 30px;
		line-height: 19.22px;
		font-style: italic;
		margin-top: 7px;
	}
	
	.tool-tip {
		width: 900px;
		height: 372px;
		position: absolute;
		bottom: 0;
		top: 0;
		left: 0;
		right: 0;
		margin-top: 230px;
		margin-left: calc((100% - 960px) / 2 + 63.5px);
		/*letter-spacing: 1.5px;*/
		background-color: rgba(255,255,255, 0.8);
		filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#C8ffffff,endColorstr=#C8ffffff);
		padding: 15px  15px  15px  25px;
	}
	
	.tool-tip p {
		color: #3F3B3A;
		font-size: 11.5px;
	}
}