.banner {
  width: calc(100% - 80px);
  margin: 0 auto;
}

.banner img {
	display: block;
	width: 100%;
}

.main {
  padding-top: 65px;
  padding-bottom: 120px;
}

.main h2 {
  font-family: 'helv';
  font-size: 36px;
  color: #1a1512;
  line-height: 76px;
}

.main .article {
  padding-bottom: 35px;
}

.main .article p {
  font-size: 16px;
  line-height: 28px;
  color: #808080;
}

.main .pic img {
  display: block;
  width: 100%;
}

.main ul.about_list {
  display: flex;
  flex-flow: row nowrap;
  justify-content: flex-start;
  padding-top: 60px;
}

.main ul.about_list li {
  width: calc((100% / 3) + 1px);
  box-sizing: border-box;
  border-left: 1px solid rgba(181,181,181,.4);
  border-right: 1px solid rgba(181,181,181,.4);
  padding: 0 50px;
  margin-right: -1px;
}

.main ul.about_list li h5 {
  font-family: 'helv';
  font-size: 24px;
  color: #525252;
  line-height: 64px;
}

.main ul.about_list li p {
  font-size: 14px;
  color: #8a8a8a;
  line-height: 24px;
  height: 160px;
}

.main ul.about_list li img {
  display: block;
  width: 100%;
}

@media screen and (max-width: 1430px) {
	
	.banner {
		width: 100%;
	}
	
	.main ul.about_list li {
		padding: 0 35px;
	}
	
}

@media screen and (max-width: 550px ) {
	
	.main {
		padding-top: 10px;
		padding-bottom: 70px;
	}
	
	.main h2 {
		font-size: 24px;
		line-height: 48px;
	}
	
	.main .article {
		padding-bottom: 15px;
	}
	
	.main .article p {
		text-align: justify;
	}
	
	.main ul.about_list {
		padding-top: 20px;
	}
	
	.main ul.about_list {
		flex-flow: row wrap;
	}
	
	.main ul.about_list li {
		width: 100%;
		padding: 0 10px;
		margin-bottom: 20px;
	}
	
	.main ul.about_list li h5 {
		font-size: 18px;
		line-height: 36px;
	}
	
	.main ul.about_list li p {
		height: auto;
		padding-bottom: 20px;
	}
	
}