.intro_01 span{color: #41B8EA}
	.intro_02 span{color: #D1E29A}
	.intro_03 span{color: #FFB5B3}
	.intro_04 span{color: #41B8EA}
	
	.intro_01 strong{color: #EFF9FF}
	.intro_02 strong{color: #F7FCE8}
	.intro_03 strong{color: #FFF3F2}
	.intro_04 strong{color: #EFF9FF}

@media (min-width: 960px) {
	.sub_txt{display: block; text-align: center; font-size: 26px; margin: 40px auto 0 auto}
	.sub_logo{display: block; width: 500px; margin: 20px auto; }
	.sub_info{display: block; width: 750px; font-size: 18px; color: #777; line-height: 28px; text-align: center; margin: 0 auto 20px auto}
	.sub_info br{content: ' '}
	.sub_info br:after{content: ' '}		
	
	.imgbox{display: block; width:480px;}
	.txtbox{display: block; width:440px; margin-top: 40px}
	.txtbox .b_btn{margin: 10px 0 0 20px}

	.info_title,.info_txt{display: block; position: relative; padding: 10px 20px; font-size: 22px;}
	.info_title strong{display: block; font-weight: bold; font-size: 150px; position: absolute; top:-120px;z-index: -1;}
	.info_txt{ font-size: 16px; color: #555; line-height: 24px;}

	.intro_01,.intro_02,.intro_03,.intro_04{width: 960px; margin: 120px auto 80px auto; height: 294.5px}

	.intro_01 .imgbox,.intro_03 .imgbox{float: left;}
	.intro_02 .imgbox,.intro_04 .imgbox{float: right;}

	.intro_01 .txtbox,.intro_03 .txtbox{float: right;}
	.intro_02 .txtbox,.intro_04 .txtbox{float: left;}

	.btm_img{display: block; width: 100%; margin-top: 80px}
}


@media (max-width: 959px) {
	.sub_txt{display: block; text-align: center; font-size: 20px; margin: 40px auto 0 auto}
	.sub_logo{display: block; width: 80%; margin: 20px auto; }
	.sub_info{display: block; padding: 0 20px; font-size: 14px; color: #555; line-height: 24px; text-align: center;margin-bottom: 20px}
	
	.imgbox{display: block; width: 100%; margin-top: 60px; background-color: #F4F4F4}
	
	.info_title{display: block; position: relative; padding: 10px 20px; font-size: 20px; margin-top: 40px}
	.info_title strong{display: block; font-weight: bold; font-size: 100px; position: absolute; top:-52px;z-index: -1}
	.info_txt{padding: 10px 20px; font-size: 14px; color: #555; line-height: 24px;}
	
	.btm_img{display: block; width: 100%; margin-top: 80px}
}