.exchange{ width:900px; margin:auto; overflow:hidden; padding:30px 15px 100px}
.exchange .tit_1{ font-size:40px}
.exchange .tit_5{ padding:10px 0 65px}
.exchange li{ width:880px; float:left; font-size:20px; line-height:32px; padding-left:20px; background-position:0 -1986px}
.exchange .co_51{ color:#515252}
.exchange .pt_40{ padding-top:40px}
.exchange .tit{ width:900px; line-height:32px; padding:15px 0; font-size:22px}

.agreement{ width:930px; margin:auto; overflow:hidden; padding:30px 0 100px}
.agreement .tit_1{ font-size:40px}
.agreement .tit_5{ padding:10px 0 65px}
.agreement .con{ line-height:26px; font-size:14px}
.agreement .con p{ padding-bottom:25px}
.agreement .con .tit{ font-size:16px; font-weight:bold; padding-bottom:45px}

.privacy{ width:930px; margin:auto; overflow:hidden; padding:30px 0 100px}
.privacy .tit_1{ font-size:40px}
.privacy .tit_5{ padding:10px 0 65px}
.privacy .con{ line-height:26px; font-size:14px}
.privacy .con p{ padding-bottom:25px}
.privacy .con .tit{ font-size:16px; font-weight:bold; padding-bottom:25px}