.block-intro{position:relative;z-index:3;margin-bottom:120px}@media(max-width:768px){.block-intro{margin-bottom:100px}}.block-intro .wrap{width:100%;height:100vh;height:100svh;transition:height 1s;position:relative}.block-intro .wrap .logo{position:absolute;top:0;bottom:0;left:0;right:0;margin:auto;display:flex;align-items:center;justify-content:center}.block-intro .wrap .logo svg path{stroke-dasharray:0 100%;fill:rgba(0,0,0,0);transition:stroke-dasharray 2s linear,fill 1s ease 2s}.block-intro .wrap .logo.zh svg{width:50vw;max-width:425px}@media(max-width:768px){.block-intro .wrap .logo.zh svg{width:55vw}}.block-intro .wrap .logo.zh svg path{stroke:var(--l-20);stroke-width:1px}.block-intro .wrap .logo.en svg{width:60vw;max-width:510px;aspect-ratio:5.5}@media(max-width:768px){.block-intro .wrap .logo.en svg{width:66vw;margin-top:10px}}.block-intro .wrap .logo.en svg path{stroke:var(--l-95);stroke-width:.2px}.block-intro .wrap .link{transform-origin:top;position:absolute;left:0;bottom:0;width:100%;height:25%;display:flex;justify-content:center;opacity:0;transition:opacity 1s ease 3s}.block-intro .wrap .link .inner{display:flex;flex-direction:column;align-items:center}.block-intro .wrap .link .border{height:100%;margin-top:20px;width:1px;background-color:var(--l-50)}.block-intro.is-loaded .logo svg path{stroke-dasharray:100% 0}.block-intro.is-loaded .logo.zh svg path{fill:var(--l-20)}.block-intro.is-loaded .logo.en svg path{fill:var(--l-95)}.block-intro.is-loaded .link{opacity:1}