.dropdown[data-v-efbb524d]{position:relative}.dropdown .dropdown-content[data-v-efbb524d]{background-color:#fff;border:1px solid rgba(0,0,0,.15);border-radius:4rem;box-shadow:0 6px 12px #0000002d;display:none;line-height:1.5;margin-top:-2px;min-width:30rem;overflow:hidden;padding:5px 0;position:absolute;right:0;top:100%;white-space:nowrap;z-index:999}.dropdown .dropdown-content[data-v-efbb524d]>div{padding:8px 15px}.dropdown .dropdown-content[data-v-efbb524d]>div:hover{background-color:#0000001a}.dropdown .dropdown-content[data-v-efbb524d]>div a{border:0!important;text-decoration:none}.dropdown:hover .dropdown-content[data-v-efbb524d]{display:block}body.dialog-open{overflow:hidden}.dialog-backdrop[data-v-957a8c8c]{inset:0;overflow-y:auto;padding:40px;position:fixed;z-index:999}.dialog-backdrop.modal[data-v-957a8c8c]{background-color:#00000080}.dialog[data-v-957a8c8c]{background-color:#fff;border-radius:4.5rem;box-shadow:0 5px 15px #00000080;margin:10vh auto auto}a[data-v-28a1c12c]{color:#000;display:block;font-weight:500;text-decoration:none}a.active[data-v-28a1c12c],a[data-v-28a1c12c]:hover{border-bottom:2px solid #000}iframe[data-v-28a1c12c]{min-height:450px;width:500px}.qrcode-wrap .qrcode[data-v-115446ba]{background:#fff;border:1px solid #eaeaea;border-radius:12px;bottom:0;display:none;left:21rem;padding:10px;position:absolute;z-index:100}.qrcode-wrap:hover .qrcode[data-v-115446ba]{display:block}.lessons[data-v-d2a10236]{inset:0;position:absolute;z-index:0}.lessons>div[data-v-d2a10236]{position:absolute;z-index:5}.lessons>div[data-v-d2a10236]:first-child{left:20%;top:35%}.lessons>div[data-v-d2a10236]:nth-child(2){right:20%;top:35%}.lessons>div[data-v-d2a10236]:nth-child(3){left:28%;top:5%}.lessons>div[data-v-d2a10236]:nth-child(4){right:28%;top:5%}.lessons>div[data-v-d2a10236]:nth-child(5){bottom:10%;left:28%}.lessons>div[data-v-d2a10236]:nth-child(6){bottom:5%;right:30%}.lessons>div[data-v-d2a10236]:nth-child(7){left:7%;top:20%}.lessons>div[data-v-d2a10236]:nth-child(8){right:8%;top:15%}.lessons>div[data-v-d2a10236]:nth-child(9){bottom:10%;left:3%}.lessons>div[data-v-d2a10236]:nth-child(10){bottom:0;right:18%}.lessons>div[data-v-d2a10236]:nth-child(11){left:15%;top:-5%}.lessons>div[data-v-d2a10236]:nth-child(12){right:15%;top:-5%}.lessons>div[data-v-d2a10236]:nth-child(13){bottom:13%;right:5%}.stack[data-v-863ff3de]{height:100vh;overflow:visible;position:relative}.stack-inner[data-v-863ff3de]{height:90vh;margin:0 auto;position:relative}.card[data-v-863ff3de]{height:100%;left:0;position:absolute;top:10vh;width:100%}.comments>div[data-v-0745ae2e]:nth-child(odd){transform:translate(-60rem)}.chao-page{overflow:hidden;padding-top:100vh}.chao-bg{aspect-ratio:1920/1080;background:#000 url(./bg-chao.Cq-7ZgFp.png) 50% no-repeat;background-size:cover}.chao-desc-item{background-color:#090b1a;border-radius:38px;box-shadow:inset 1px 1px #bac4ff33}.chao-desc-item+.chao-desc-item{margin-top:15rem}.chao-footer{aspect-ratio:1920/792;background:radial-gradient(371% 100% at 50% -1%,#000 0 40%,#153cc2 74%,#92bbff)}