@charset "utf-8";
/* CSS Document */
.aboutus{width: 1200px;margin: 0 auto;margin-top: 30px;}
	.left_nav{width: 250px;background-color: #fff;padding-bottom: 50px;float: left}
	.left_nav dt{line-height: 50px;font-size: 18px;font-weight: bold; background:#00a0e9; height:50px; text-align:center; color:#fff;}
	.left_nav dd{line-height: 40px;padding-left: 60px;border-bottom: 1px solid #e0ecf7; font-size:16px;}
	
	.right_content{width: 900px;background-color: #fff;float: right;}
	.content_title{width: 850px;margin: 0 auto;border-bottom: 2px solid #a7a5a5;line-height: 50px;}
	.title_left{float: left}
	.title_right{float: right}
	.main_content{width: 750px;margin: 0 auto;padding-bottom: 100px;}
	.main_content h1{font-size: 24px;color: #e93f30;text-align: center;margin-top: 40px;}
	.main_content p{line-height: 30px;text-align: justify;color: #535252;width: 400px;}
	.problrm_solution h2{font-size: 18px;color: #2F2F2F;margin-top: 10px;}
	.problrm_solution p{width: 750px;line-height: 30px;text-align: justify;color: #505050;}
    .step{margin-top: 50px;border-bottom: 1px dashed #e0ecf7;padding-bottom: 30px}
	.step_text{float: left; }
	.step_text p{ font-size:16px; line-height:25px;}
	.step img{float: right}