.yb_bt span{width: 0.67rem; height: 0.58rem; text-indent: 0.1rem; background-image: url(/images/yb.jpg); background-size: 100% 100%; display: flex; font-size: 0.32rem; color: white; z-index: 1; position: inherit;}
.yb_bx h3{color: #333333; font-size: 0.3rem;height: 0.58rem; margin-left: 0.15rem; font-weight: 500;}
.yb_bx div{margin-left: 0.15rem;  border-radius: 0.1rem; padding: 0.3rem;background-color: #f9f9f9; }
.yb_bx p{ color: #999999; font-size: 0.25rem; line-height: 0.4rem; text-align: justify;}
.yb_bt{position: relative;}
.yb_bt::before{content: ""; width: 2px; height: 100%; background-color: #82e8f2; position: absolute;top:0%;left: 50%;transform: translate(-50%, -0%); z-index: 0;}
.yb_banner a{display: block;}