header.header{margin: :;0px 0;}
header .container{padding: 20px 0;}
.desc-title p{color: #7d7d7d;}
header .phone {color: #2054be; font-weight: bold;}
header .code_img{width: 290px;position: relative;}
.txt-gray{color: #999;}
img{width: 100%;}
.bg-gray {background-color: #EFEFEF;}
.pd-tb50 {padding: 50px 0;}
.txt-hui6 {color: #929292;}
.demo19 .pd-b p {padding-bottom: 10px;}