.b-1{height: 300px;}
.b-3{width: 1200px;margin: 0 auto;}
.b-3{color: #666666;padding: 15px 0;}
.b-3 a{color: #666666;letter-spacing: 3px;}
.b-3 a:hover{color: #e8020f;}
.b-4{margin-bottom: 80px;}
.b-5{width: 1200px;margin: 0 auto;}
.b-6{width: 232px;float: left;box-shadow: 0 0 2px 1px #e7e7e7;background-color: #fcfcfc;border-top-left-radius: 5px;border-top-right-radius: 5px;padding-bottom: 10px;box-sizing: border-box;}
.b-7{line-height: 50px;height: 50px;background-size: 100% 100%;text-align: center;font-size: 20px;font-weight: bold;border: 3px solid #c2000b;}
.b-7 span{display: inline-block;background-color: #fcfcfc;position: relative;top: 36px;line-height: initial;padding: 0 7px;}
.b-14{/*padding: 0 10px;*/}
.b-8>li{}
.b-9{line-height: 50px;height: 50px;display: block;padding-left: 23px;}
.b-10{font-size: 16px;}
.b-11{float: right;margin-right: 15px;width: 10px;height: 10px;margin-top: 20px;background:url(../images/zk_31.png) no-repeat center;background-size: 100% 100%;}
.b-12{display: none;}
.b-12 li{}
.b-12 li a{line-height: 50px;height: 50px;display: block;border-radius: 5px;text-align: center;font-size: 16px;}
.b-13>li>.b-9{padding-left: 0;text-align: center;border-top: 1px solid #e7e7e7;}
.b-8>li:last-child>.b-9{border-bottom: 1px solid #e7e7e7;}
.b-8>.active>a{background-color: #e8020f;color: white;}
.b-8>.active .b-11{background: url(../images/yc_13.png) no-repeat center;background-size: 100% 100%;}
.b-8>.active .b-12 .active a{background-color: #f1f1f1;}
.b-14{margin-top: 25px;}
.b-15{margin-top: 15px;}
.b-15 a{display: block;}
.b-15 a img{width: 100%;height: auto;}
.box{width: 955px;float: right;box-shadow: 0 0 2px 1px #e7e7e7;background-color: #fcfcfc;box-sizing: border-box;}
.b-16{padding: 25px;}
.b-17{font-size: 0;}
.b-17 li{width: 286px;height: 282px;display:inline-block;margin-right: 23px;margin-bottom: 23px;box-sizing: border-box;border: 1px solid transparent;}
.b-17 li:nth-child(3n){margin-right: 0;}
.b-18{width: 100%;height: 280px;}
.b-19{text-align: center;line-height: 55px;font-size: 16px;background-color: white;}
.b-17 li:hover{box-shadow: 0 0 10px 5px #d7d7d7;border: 1px solid #e8020f;}
.b-17 li:hover .b-19{background-color: #e8020f;color: white;}
.m-1 li{height: auto;}
/*单页样式*/
.content-1{padding: 25px 20px;}