.nav[data-v-dc28bc1a]{min-width:19.2rem;width:100%;height:.64rem;line-height:.64rem;box-sizing:border-box;padding:0 .48rem;position:fixed;z-index:1999;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;background:transparent;transition:all 1s}.nav .logo[data-v-dc28bc1a]{width:1.8633rem}.nav .logo a[data-v-dc28bc1a]{display:block;width:100%;height:100%;display:flex;align-items:center}.nav .logo a img[data-v-dc28bc1a]{display:block;width:100%;height:.24rem}.nav .nav-right[data-v-dc28bc1a]{display:flex}.nav .nav-right .nav-tab[data-v-dc28bc1a]{min-width:4.78rem;max-width:5.82rem;height:.64rem;line-height:.64rem;font-size:.14rem;text-align:center;color:#fff;opacity:1;margin-right:1.86rem;box-sizing:border-box}.nav .nav-right .nav-tab li[data-v-dc28bc1a]{opacity:.7;padding:0 .02rem;position:relative;overflow:hidden}.nav .nav-right .nav-tab li span[data-v-dc28bc1a]{position:relative;font-size:.14rem;z-index:9;font-variation-settings:"wght" 500}.nav .nav-right .nav-tab li[data-v-dc28bc1a]:hover{opacity:1}.nav .nav-right .nav-tab li[data-v-dc28bc1a]:hover:after{content:"";display:block;height:.02rem;transition:.6s;position:absolute;width:100%;left:0;top:.44rem;border-radius:.5rem;z-index:0;box-sizing:border-box}.nav .nav-right .nav-tab .line-active[data-v-dc28bc1a]{opacity:1;font-family:OPPOSans-B}.nav .nav-right .nav-tab .line-active[data-v-dc28bc1a]:after{content:"";display:block;height:.02rem;transition:.6s;position:absolute;width:100%;left:0;top:.44rem;background:#f73c4c;border-radius:.5rem;z-index:0;box-sizing:border-box}.nav .nav-right .nav-tab .line-active span[data-v-dc28bc1a]{font-size:.14rem}.nav .nav-right .header-photo[data-v-dc28bc1a]{height:.64rem;line-height:.64rem}.nav .nav-right .header-photo p[data-v-dc28bc1a]{font-size:.14rem;color:#fff;opacity:.7;margin-right:.2rem}.nav .nav-right .header-photo .login[data-v-dc28bc1a]{width:.6rem;height:.32rem;line-height:.32rem;font-size:.14rem;color:#fff;background:linear-gradient(85.86deg,#d9befe -54.44%,#b287f4 23.97%,#5709db 128.91%);border-radius:.3rem;margin-top:.16rem}.nav .nav-right .header-photo .login[data-v-dc28bc1a]:hover{color:#000;background:#fff}.nav .nav-right .header-photo .login[data-v-dc28bc1a]:active{color:#000;background:linear-gradient(85.86deg,#d9befe -54.44%,#b287f4 23.97%,#5709db 128.91%)}.nav-router[data-v-dc28bc1a]{background:#fff}.but[data-v-dc28bc1a]{box-sizing:border-box;border:.01rem solid #000;border-radius:.04rem}.el-dropdown[data-v-dc28bc1a]{line-height:.64rem;display:flex;align-items:center;justify-content:center}.el-dropdown .el-link[data-v-dc28bc1a]{display:block}.el-dropdown .el-link[data-v-dc28bc1a]:after{display:none}.el-dropdown .el-link[data-v-dc28bc1a] .el-link--inner{height:.24rem;line-height:.24rem!important;display:flex!important}.el-dropdown .el-link[data-v-dc28bc1a] .el-link--inner img{width:.24rem;height:.24rem;border-radius:50%}.el-dropdown .el-link[data-v-dc28bc1a] .el-link--inner p{margin-left:.08rem;margin-right:0!important;font-size:.14rem!important}.el-dropdown-menu[data-v-dc28bc1a]{padding:0}.el-link.el-link--default[data-v-dc28bc1a]:hover{color:transparent}.el-dropdown-menu[data-v-dc28bc1a]{width:1.8rem;max-height:1.61rem;border-radius:.04rem;top:.6rem!important;left:.2rem;z-index:9999!important}.el-dropdown-menu__item[data-v-dc28bc1a]{width:100%;font-family:OPPOSans-R;height:.4rem;padding:0;line-height:.4rem;box-sizing:border-box;font-size:.14rem;margin:0;color:#333;border-radius:.04rem;padding-left:.18rem}.el-dropdown-menu__item[data-v-dc28bc1a]:hover{background:rgba(107,70,255,.1)!important;margin:0!important;box-shadow:none!important;box-sizing:border-box;padding-left:.18rem;border-radius:0;color:#000!important}.el-dropdown-menu__item div[data-v-dc28bc1a]{width:100%}.el-dropdown-menu__item div[data-v-dc28bc1a]:active{color:#000!important}.el-dropdown-menu__item a[data-v-dc28bc1a]{display:block;width:100%;height:100%}.footer[data-v-da00f06c]{display:flex;justify-content:center;width:100%;padding:.2512rem 0 .16rem;text-align:center;position:relative;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;border-top:.01rem solid rgba(89,61,167,.85);background:#0d0a1d;z-index:1998}.footer .footer-main[data-v-da00f06c]{display:flex;justify-content:space-between;width:11.8rem}.footer .footer-main .footer-text-wrap[data-v-da00f06c]{display:flex;flex-direction:column;justify-content:center}.footer .footer-main .footer-text-wrap p[data-v-da00f06c]{font-size:.12rem;line-height:.18rem;color:#999;text-align:left;margin-bottom:.04rem}.footer .footer-main .code-img-wrap .code-bg[data-v-da00f06c]{width:.8302rem;height:.8302rem;background:linear-gradient(85.86deg,#366eff -29.07%,#3d2df3 -4.85%,#553bf7 26.28%,#742ce9 64.33%,#ac2ce9 100.08%,#f73c4c 130.06%)}.footer .footer-main .code-img-wrap .code-bg img[data-v-da00f06c]{display:block;width:100%;height:100%}.footer .footer-main .code-img-wrap p.contact-us[data-v-da00f06c]{font-size:.12rem;letter-spacing:.02rem;color:#fff;padding:.04rem 0 0}#app{width:100%;font-family:OPPOSans-R,OPPOSans-B,Avenir,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:#000}#app .root-view{min-height:100vh;background:#0d0a1d}#ECHAT_invite,#ECHAT_mini_icon{display:none!important}@font-face{font-family:OPPOSans-R;src:url(../fonts/OPPOSansWeb2.a6e549e9.eot);src:url(../fonts/OPPOSansWeb2.a6e549e9.eot) format("embedded-opentype"),url(../fonts/OPPOSansWeb2.f01eac2c.woff2) format("woff2"),url(../fonts/OPPOSansWeb2.84cd1381.woff) format("woff"),url(../fonts/OPPOSansWeb2.7e34bef5.ttf) format("truetype");font-style:normal;font-weight:500}@font-face{font-family:OPPOSans-B;src:url(../fonts/OPPOSansWeb2.a6e549e9.eot);src:url(../fonts/OPPOSansWeb2.a6e549e9.eot) format("embedded-opentype"),url(../fonts/OPPOSansWeb2.f01eac2c.woff2) format("woff2"),url(../fonts/OPPOSansWeb2.84cd1381.woff) format("woff"),url(../fonts/OPPOSansWeb2.7e34bef5.ttf) format("truetype");font-style:normal;font-weight:1000}@media screen and (min-width:2500px){.theme-banner .home-des{height:7.04rem!important}.home .theme-times{background:url(../img/schedule_bg_2560.1177afbf.png) 50%/cover no-repeat!important}.home .theme-judges{background:url(../img/bg_2560.07d8a4fa.png) 50%/cover no-repeat!important}}@media screen and (max-width:1440px){.theme-title{height:13.76rem!important}.theme-title .topics-works-des{min-width:10.84rem!important;width:10.84rem!important}.theme-title .topics-works-des .destion{width:10.84rem!important}.theme-title .topics-works-des .destion .bg:nth-child(2){margin-right:0!important}.theme-title .topics-works-des .destion .bg:nth-child(3){margin-top:.44rem!important}}.flex{display:flex}.flex-center{justify-content:center}.flex-space-between{justify-content:space-between}.flex-end{justify-content:flex-end}.font-v{font-variation-settings:"wght" 700}.pointer{cursor:pointer}.text-cneter{text-align:center}.sans-b{font-family:OPPOSans-B}.mg-t20{margin-top:.2rem}.mg-t30{margin-top:.3rem}a{text-decoration:none;cursor:pointer}.check{color:red}.el-message.el-message--error{z-index:99999!important}.el-message__icon{font-size:.2rem}.el-icon-close:before{content:""!important}.el-input:hover,.el-select:hover{border-color:#5709db}.el-loading-spinner .path{stroke:#5709db!important}.el-select-dropdown__item.selected{color:#6b46ff!important;background:rgba(107,70,255,.1)!important}.el-select-dropdown__item:hover{color:#666!important;background:rgba(107,70,255,.1)!important}.el-select-dropdown__item.selected.hover{color:#6b46ff!important;background:rgba(107,70,255,.1)!important}.el-select .el-input.is-focus .el-input__inner{color:#666!important;border-color:#5709db!important}#el .el-tabs__item,body.en .e1>*,body.en .e2,body.en .el-tabs__item,body.en .normal{letter-spacing:normal!important}body.en .e2{font-size:.6rem!important}body.en .head-name{width:3rem!important;font-size:.2rem!important}body.en .size16{font-size:.16rem;line-height:.24rem}body.en .size50{font-size:.5rem!important}body.en .sizebold{font-size:.16rem;line-height:.28rem;font-family:OPPOSans-B}body.en .en-tab li{margin-right:.4rem}body.en .empty p{font-size:.22rem;color:#fff!important;text-shadow:.01rem .01rem #000,-.01rem -.01rem #000,.01rem -.01rem #000,-.01rem .01rem #000;line-height:.3rem;margin-top:.65rem}body.en .line-20{line-height:.2rem!important}.colour{color:#5709db}body.en .empty.mg-top80 p{margin-top:.8rem}body.en .home .theme-scrool .theme-title .works-des .destion div .linear{font-size:.4rem!important;line-height:.5rem!important;letter-spacing:normal!important;margin:1.3rem 0 0 .4rem!important}body.en .tplay{font-size:.52rem!important;line-height:.6rem!important;letter-spacing:normal!important;margin:1rem 0 0 .4rem!important}body.en .line32{line-height:.22rem!important}body .banner-content .theme-des h4{font-family:OPPOSans-B;font-size:.6rem;line-height:.72rem}body .banner-content .theme-des .global{font-size:.24rem;line-height:.28rem;font-variation-settings:"wght"700;margin-top:.08rem;letter-spacing:.01rem}body.en .banner-content .theme-des h4{margin-top:.25rem;font-size:.5rem!important;line-height:.58rem!important}body.en .banner-content .competition-des{font-size:.24rem!important}body.en .banner-content .content-en{font-variation-settings:"wght"600!important;letter-spacing:.01rem!important;line-height:.18rem;font-size:.18rem!important}body.en .nav .logo{width:2.28rem}body.en .filter-en{display:none!important}body.en .online-service{display:none}body.en .splec{width:1.8rem!important}body.en .top7{margin-top:.07rem!important}body.en .line20{line-height:.2rem!important}body.en .size44{font-size:.44rem!important;margin-bottom:.32rem!important}body.en .size14{font-size:.14rem!important}body.en .rmb-des{display:block!important}.bannerFadeIn{-webkit-animation:bannerfadeMoveIn .8s cubic-bezier(0,0,.2,1) .8s forwards;animation:bannerfadeMoveIn .8s cubic-bezier(0,0,.2,1) .8s forwards;opacity:0}@-webkit-keyframes bannerfadeMoveIn{0%{opacity:0;transform:translateY(1rem)}to{opacity:1;transform:translateY(0)}}@keyframes bannerfadeMoveIn{0%{opacity:0;transform:translateY(1rem)}to{opacity:1;transform:translateY(0)}}.moveUp30{-webkit-animation:moveup30 1.2s cubic-bezier(0,0,.2,1) .5s forwards;animation:moveup30 1.2s cubic-bezier(0,0,.2,1) .5s forwards}@-webkit-keyframes moveup30{0%{padding-top:.3rem}to{padding-top:0}}@keyframes moveup30{0%{padding-top:.3rem}to{padding-top:0}}.moveUp40{-webkit-animation:moveup40 .8s cubic-bezier(0,0,.2,1) .2s forwards;animation:moveup40 .8s cubic-bezier(0,0,.2,1) .2s forwards}@-webkit-keyframes moveup40{0%{margin-top:.4rem}to{margin-top:0}}@keyframes moveup40{0%{margin-top:.4rem}to{margin-top:0}}.moveIndexTitle{-webkit-animation:indextitle 1s cubic-bezier(0,0,.2,1) .4s forwards;animation:indextitle 1s cubic-bezier(0,0,.2,1) .4s forwards;opacity:0}@-webkit-keyframes indextitle{0%{opacity:0;transform:translateY(.8rem)}to{opacity:1;transform:translateY(0)}}@keyframes indextitle{0%{opacity:0;transform:translateY(.8rem)}to{opacity:1;transform:translateY(0)}}.fadeShow{-webkit-animation:fadeShow .3s cubic-bezier(0,0,.2,1) .8s forwards;animation:fadeShow .3s cubic-bezier(0,0,.2,1) .8s forwards;opacity:0}.bannerFadeShow{-webkit-animation:fadeShow .4s cubic-bezier(0,0,.2,1) 1.4s forwards;animation:fadeShow .4s cubic-bezier(0,0,.2,1) 1.4s forwards;opacity:0}@-webkit-keyframes fadeShow{0%{opacity:0}to{opacity:1}}@keyframes fadeShow{0%{opacity:0}to{opacity:1}}@font-face{font-family:OPPOSans-B;src:url(../fonts/OPPOSansWeb4.5a0dc243.eot);src:url(../fonts/OPPOSansWeb4.5a0dc243.eot) format("embedded-opentype"),url(../fonts/OPPOSansWeb4.8fcd80fb.woff2) format("woff2"),url(../fonts/OPPOSansWeb4.8ed35b7b.woff) format("woff"),url(../fonts/OPPOSansWeb4.8cf2717b.ttf) format("truetype");font-style:normal;font-weight:1000}