.nav li.active >a{font-weight: 800;}
.art-body,.art-body *{font-size:16px !important;line-height:2 !important;font-family:"microsoft yahei" !important;}
.art-body img{height:auto !important;border:0 !important;}
.art-body table{margin:0 auto;}

@media (max-width:768px){
    .art-body p video{width:100% !important;height:auto !important;}
}