body{background: #f5f8fb;}
.m_3{width: 1200px;margin: 40px auto;overflow: hidden;position: relative;}
.tab_wrap .tab_left .title{width: 320px;margin: 1px auto 0px;background: #fff;border-top: 4px solid #0ccaca;overflow: hidden;padding: 34px 20px;text-align: left;}
.tab_wrap .tab_left .title h2{font-size: 18px;margin-bottom: 0px;}
.tab_wrap .tab_left .title p{font-size: 14px;line-height: 16px;}
.m_3 .tab_nav{width: 360px;margin: 0px auto;background: #fff;overflow: hidden;border-top: 1px solid #eee;padding-bottom: 20px;}
.m_3 .tab_nav li{width: 320px;margin: 0px auto;cursor: pointer;padding: 20px 0px 0px;}
.m_3 .tab_nav li p{font-size: 18px;font-weight: bold;color: #333;margin-bottom: 10px;}
.m_3 .tab_nav li a{display: block;color: #666;line-height: 22px;font-size: 16px;padding-bottom: 10px;margin-bottom: 10px;}
.m_3 .tab_nav .cur{color: #0ccaca;border-bottom: 1px solid #0ccaca;}
.fixed-table .tab_left{position: fixed;top: 0px;z-index: 20;overflow-y: scroll;height: 100%;}
.fixed-table .tab_left::-webkit-scrollbar{ width: 4px;height: 4px;background-color: rgba(0,0,0,.1);}
.fixed-table .tab_left::-webkit-scrollbar-track{-webkit-box-shadow:inset 0 0 6px rgba(0,0,0,0.1);border-radius:4px;background-color:#F5F5F5;}
.fixed-table .tab_left::-webkit-scrollbar-thumb{border-radius:4px;-webkit-box-shadow:inset 0 0 6px rgba(0,0,0,.1);background-color: #0ccaca;}
.m_3 .tab_box{width: 780px;margin: 0px auto 100px;overflow: hidden;float: right;}
.m_3 .tab_box .box_item{overflow: hidden;margin: 0px auto 30px;background: #fff;border-radius: 8px;box-shadow: 0px 10px 30px 0px rgba(0,0,0,0.08);padding: 20px;}
.m_3 .tab_box .box_item .title{text-align: left;}
.m_3 .tab_box .box_item .title h2{font-size: 22px;margin-bottom: 0px;color: #333;}
.m_3 .tab_box .box_item .txt{width: 100%;margin: 10px auto;}
.m_3 .tab_box .box_item .txt h3{font-size: 16px;color: #0ccaca;}
.m_3 .tab_box .box_item .txt pre{all: inherit; white-space: pre-wrap;background: #f5f6f7;padding: 20px 20px 0px;color: #333;line-height: 26px;font-size: 14px;border-radius: 8px;width: 700px;}
.m_3 .tab_box .box_item .txt p{font-size: 14px;color: #666;line-height: 24px;}
.m_3 .tab_box .box_item:last-child{margin-bottom: 0px;}
.footer{display: none;}