.bt{width: 1200px; min-height: 30px; margin:30px auto 0 auto; font-size: 24px; text-align: center; font-weight: bold;}
.xx{width: 1200px; height: 50px; margin: 0px auto 0 auto; line-height: 50px; font-size: 16px; color: #666; text-align: center; border-bottom: 1px #999 solid;}
.nr{width: 1150px; min-height: 500px; margin:20px auto 0 auto;}#fontzoom img{max-width: 98%!important;height: auto!important;}#fontzoom video{ width:100%;}