#index .db-lb ul li:nth-of-type(1) a, #about .db-lb ul li:nth-of-type(2) a, #product .db-lb ul li:nth-of-type(3) a, #service .db-lb ul li:nth-of-type(4) a, #contact .db-lb ul li:nth-of-type(5) a{ color:#fff; background-color:#124098;}
#service .db-lb>ul>li:nth-of-type(5) a, #contact .db-lb>ul>li:nth-of-type(6) a{ color:#333; background-color:#fff;}
#service .db-lb>ul>li:nth-of-type(5) a:hover, #contact .db-lb>ul>li:nth-of-type(6) a:hover{ color:#fff; background-color:#124098;}
.db-lb ul li ul{ width:185px;}

.lx-bg ul li{ width:22%;}
.lx-bg ul li:nth-of-type(3){ width:34%;}
.lx-tx h4{ font-size:12px; line-height:15px;}

.gs-bg p{ font-size:14px; line-height:24px;}
.fy-tx p{ font-size:14px; line-height:24px;}
.ln-bg ul li{ height:250px;}
@media screen and (max-width:1440px){ 
.ln-bg ul li{ height:300px;}
}
@media screen and (max-width:1280px){ 
.ln-bg ul li{ height:325px;}
}

.ms-bg p{ font-size:14px; line-height:24px;}

.xl-tx{ width:50%;}
.xl-tx:nth-of-type(2){ width:40%; margin-left:10%;}