*{margin:0;padding:0;border:0;}
body {background:#f5f6f8; color: #000;font-size:12px; font-family: "微软雅黑","Microsoft YaHei", "Arial", "Helvetica Neue", "Helvetica", "Arial", "sans-serif";}
a{text-decoration:none; color: #fff;}
a:hover {}
input,select,img{ vertical-align:middle;}
ul,li{ list-style:none;}

.clear{ clear:both;}
.all_index{ width:1200px; margin:20px auto 0px;}
.aa{ width:100%; margin:0 auto;float: left;}
.aa a{ width:368px; height:148px; margin-left:44px;float: left;}
.aa a:first-child{ margin:0px;}
.aa a img{width: 100%;}
.bb{ width:100%; margin:0 auto 65px;float: left;}
.bb h1{ font-size:40px; color:#353535; margin:50px auto 30px;}
.bb .bb-t{ font-size:30px; color:#c9512e; font-weight:bold;}
.bb .bb-t img{ margin-right:15px;width:30px}
.bb .bb-b{ width:100%; margin:0 auto;}
.bb .bb-b .tt{ width:270px; display:block; float:left; margin:30px 15px 0px; box-sizing:border-box; background:#fff; border-radius:10px; border:1px solid #e6e5e5;box-shadow: 1px 5px 10px #ddd;}
.bb .bb-b .tt .tu{ width:100%; margin:15px auto; text-align:center;}
.bb .bb-b .tt img{ border-radius:10px; width:240px; height:135px; border:1px solid #f3f3f3;}
.bb .bb-b .tt .tex{ width:100%; margin:0px 0px 15px 16px; font-size:22px; color:#353535;} 
.bb .bb-c{ width:100%; margin:0 auto;}
.bb .bb-c .tt{ width:575px; display:block; float:left; background:#fff; border-radius:10px; border:1px solid #e6e5e5;box-shadow: 1px 5px 10px #ddd; margin:30px 12px 0px; color:#cecece; padding:30px 15px; box-sizing:border-box;}
.bb .bb-c .ttt{ width:100%; display:flex; align-items:flex-start;}
.ttt .tt-l{ padding:6px 14px;  margin-right:15px;}
.ttt .tt-l img{ width:346px; height:192px;border:1px solid #f9f9f9; border-radius:10px;}
.ttt .tt-r .ta{ width:100%; font-size:25px; color:#353535; margin-bottom:15px; font-weight:bold;}
.ttt .tt-r .tb{ font-size:14px; line-height:18px; height:110px;}
.ttt .tt-r .btn{ background:#c9512e; color:#fff; border-radius:10px; font-size:16px; padding:3px 15px; }