@charset "utf-8";
img{max-width: 100%;}
.ztheader{width: 1000px;padding-top: 30px;margin: 0 auto;}
.ztheader .zttit{text-align: center;margin: 55px auto;}

.center{border-radius: 8px;}
.list3{margin: 0 20px;padding: 20px 0;}
.list3 li{font-size: 20px;position: relative;}
.list3 li::before{position: absolute;content: '';top: 50%;left: 5px;width: 7px;height: 7px;background: #188FF1;transform: translateY(-50%);border-radius: 50%;}