.hero .heroContent{position:absolute;width:1200px}.tab{display:flex;justify-content:space-around;gap:20px}.tab .item{width:380px;height:44px;opacity:1;border:1px solid #999999;color:#999999;transition:0.3s;text-align:center;line-height:44px;cursor:pointer}.tab .item:hover{background:#134b9f;border:1px solid #134b9f;color:#fff}