/*菜单栏开始*/
#nav{ margin:0 0.24rem; display:flex; flex-flow:wrap; }	
#nav a:nth-child(3n+1){ margin-right:0.12rem;}
#nav a:nth-child(3n+2){ margin-left:0.12rem; margin-right:0.12rem;}
#nav a:nth-child(3n){ margin-left:0.12rem;}
#nav a{ display:inline-block; width:calc((100% - 0.12rem*4)/3); flex:none; justify-content:space-between; margin-top:0.24rem; text-align:center; font-size:0.24rem; line-height:0.464rem; color:#181817; background-color:#eeeff2; border-radius:0.064rem;}
#nav .a_on{ color:#fff; background-color:#ed434c;}
#nav a:nth-child(1),#nav a:nth-child(2),#nav a:nth-child(3){ margin-top:0;}
.tit b{ font-size:0.32rem;color:#1a1a1a;}
.tit p{ font-size:0.256rem; text-align:left; color:#333; line-height:200%;}


/*关于我们*/
h2{ margin:0 auto; margin-right:0.24rem; margin-top:0.48rem; font-size:0.288rem; font-weight:bold; line-height:0.288rem; color:#1a1a1a;}
h2:before { float: left; content: ''; width: 0.192rem; height: 0.32rem; margin-right: 0.192rem; background-color:#1297a4; border-radius: 0rem 0.02rem 0.02rem 0rem;}


/*产品*/
#nr{ margin:0 0.24rem; margin-bottom:0.32rem; display:flex; flex-flow:wrap;}
#nr a:nth-child(2n+1){ margin-right:0.12rem;}
#nr a:nth-child(2n){ margin-left:0.12rem;}
#nr a{ display:inline-block; width:calc(100%/2 - 0.12rem); flex:none; justify-content:space-between; margin-top:0.32rem;}
#nr a img{ width:100%; border-radius:0.128rem;}
#nr a h4{ margin-top:0.08rem; font-size:0.24rem; font-weight:normal; color:#222; height:0.72rem; line-height:0.36rem;}