.pictext5{float: left; width: 100%; margin: 0px 0px 0px 0px; background:url(mzt_back.jpg) top center;}

.pictext5 .list{float: left; width: 100%; margin: 30px 0px 0px 0px;}

.pictext5 .list .dd1{float: left; width: 86%; margin: 0px 7% 0px 7%;}
.pictext5 .list .dd1 img{width: 100%; display: inline-block;}
.pictext5 .list .dd2{float: left; width: 40%; margin: 25px 3% 0px 7%;}
.pictext5 .list .dd2 img{width: 100%; display: inline-block;}
.pictext5 .list .dd3{float: left; width: 40%; margin: 25px 7% 0px 3%;}
.pictext5 .list .dd3 img{width: 100%; display: inline-block;}

.pictext5 .ad{float: left; width: 86%; margin: 28px 7% 32px 7%;}
.pictext5 .ad .show{float: left; width: 100%; height: 52px; margin: 0px 0px 0px 0px; border-radius: 40px; background-color: rgba(0,0,0,0.3); display: flex; justify-content: center; align-items: center;}
.pictext5 .ad .show .dd{font-size: 22px; font-family: '黑体'; color: #ffffff; text-shadow: 0px 0px 2px rgba(0, 0, 0, 0.5); letter-spacing: 2px; padding: 0px 0px 0px 2px;}
.pictext5 .ad .show .dd .dd2{float: left;}