.m-left-problem{width: 228px;float: left;background: #f8f8f8;}
.m-left-problem .title{height: 60px;line-height: 60px;text-align: center;background: #5aa701;color: #fff;font-size: 18px;}
.m-left-problem .problem-list li{height: 40px;border-bottom: 1px solid #fff;}
.m-left-problem .problem-list li a{display: block;height: 40px;line-height: 40px;text-align: center;font-size: 16px;}
.m-left-problem .problem-list li.ative a{background: #f39800;color: #fff;}
.m-left-problem .problem-list li:hover a{color: #f39800;}
.m-left-problem .problem-list li.ative:hover a{color: #fff;}
.m-right-detail{float: right;width: 928px;min-height: 780px;padding:10px;}
.m-right-detail .title{font-size: 24px;color: #5aa701;text-align: center;margin-bottom:20px;}
.m-right-detail img{max-width: 100%;height: 100%;}
.problem-title-list li{height: 35px;text-align: left;}
.problem-title-list li a{font-size: 18px;}
.problem-title-list li a:hover{color: #009933;}