.md_bread{min-height:.9rem;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-ms-flex-wrap:wrap;flex-wrap:wrap;line-height:1.5;padding:.2rem 0}
.md_bread img{width:.24rem;min-width:24px;margin-right:.15rem}
.md_bread-split{margin:0 .1rem}
.md_bread-item:hover{color:#0079c3}
.md_subnav-item{width:auto;max-width:100vw;position:relative;line-height:.9rem;margin-right:.4rem;color:#333;font-size:clamp(16px, 1.5vw, 18px);}
.md_subnav-item:last-of-type{margin-right:0}
.md_subnav-item:after{content:'';position:absolute;left:0;bottom:0;width:0;height:.04rem;background:#0079c3;-webkit-transition:all .3s;-o-transition:all .3s;transition:all .3s}
.md_subnav-item.on,.md_subnav-item:hover{color:#0079c3;font-weight:bold;font-size:clamp(16px, 1.5vw, 18px);}
.md_subnav-item.on:after,.md_subnav-item:hover:after{width:100%}