.sticky-box .header-nav{background:rgba(0,0,0,.6);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.bg-tips-center{background:url(/assets/start-2.webp);background-size:auto 100%;background-repeat:no-repeat;background-position-x:0}@media(min-width:1024px){.bg-tips-center{background:none}}