.guanxiang-about-tanktit .about-tanktit {
	width: 100%;
	overflow: hidden;
}

.guanxiang-about-tanktit .about-tanktitcon {
	position: relative;
	width: 100%;
	margin: 0 auto;
	text-align: center;
}

.guanxiang-about-tanktit .about-tanktitcon h2 {
	padding-top: 100px;
	font-size: 36px;
	line-height: 52px;
	color: #212121;
}
.guanxiang-about-tanktit .about-tanktitcon img {padding:50px 0}


@media screen and (max-width: 1580px) {
  .guanxiang-about-tanktit {
    padding-top: 80px;
  }

  

	.guanxiang-about-tanktit .about-tanktitcon h2 {
		font-size: 32px;
		line-height: 42px;
	}
}

@media screen and (max-width: 1400px) {
 

	.guanxiang-about-tanktit .about-tanktitcon h2 {
		font-size: 24px;
		line-height: 32px;
	}
}

@media screen and (max-width: 1280px) {
  .guanxiang-about-tanktit {
    padding-top: 70px;
  }

  
}

@media screen and (max-width: 960px) {
  .guanxiang-about-tanktit {
    padding-top: 50px;
  }

  
	.guanxiang-about-tanktit .about-tanktitcon h2 {
		padding-top: 40px;
		font-size: 22px;
		line-height: 30px;
	}
	
}

@media(max-width:768px){
  .guanxiang-about-tanktit {
    padding-top: 30px;
  }
}