@import "https://fonts.thu.fail/css2?family=Noto+Sans+SC:wght@100;300;400;500;700;900&family=Noto+Serif+SC:wght@200;300;400;500;600;700;900&family=Source+Code+Pro:ital,wght@0,200;0,300;0,400;0,500;0,600;0,700;0,900;1,200;1,300;1,400;1,500;1,600;1,700;1,900&family=Source+Sans+Pro:ital,wght@0,200;0,300;0,400;0,600;0,700;0,900;1,200;1,300;1,400;1,600;1,700;1,900&family=Source+Serif+Pro:ital,wght@0,200;0,300;0,400;0,600;0,700;0,900;1,200;1,300;1,400;1,600;1,700;1,900&family=Material+Symbols+Rounded:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200&display=swap";*{box-sizing:inherit}body{box-sizing:border-box;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;padding:0;font-family:Source Sans Pro,Noto Sans SC,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,PingFang SC,Microsoft YaHei,sans-serif;overflow-x:hidden}a{color:inherit;text-decoration:none}button{color:inherit}.input{position:relative}.input-label{pointer-events:none;color:var(--foreground-hint);padding:0 16px;font-size:12px;line-height:28px;position:absolute;top:0;left:0;right:0}.input input{color:var(--foreground);background:0 0;background:var(--foreground-layer);border:none;outline:none;width:100%;padding:24px 16px 10px;font-size:18px;line-height:20px}hr.rule{opacity:.5;background-size:10px 10px;background-image:linear-gradient(45deg,var(--foreground)25%,var(--foreground-dimmed)25%,var(--foreground-dimmed)50%,var(--foreground)50%,var(--foreground)75%,var(--foreground-dimmed)75%);border:none;height:10px;margin:20px}body{background:var(--background);color:var(--foreground);--foreground:white;--foreground-dimmed:#ffffffb3;--foreground-hint:#ffffff61;--foreground-layer:#ffffff1a;--foreground-layer-3x:#ffffff4d;--background:#212121;--background-light:#333;--background-lighter:#444;--background-layer:#0000002e;--backdrop:#0000004d;--loading-track:#121212;--shadow:#00000080;--weight-lightest:100}:root.dark body{--foreground:white;--foreground-dimmed:#ffffffb3;--foreground-hint:#ffffff61;--foreground-layer:#ffffff1a;--foreground-layer-3x:#ffffff4d;--background:#212121;--background-light:#333;--background-lighter:#444;--background-layer:#0000002e;--backdrop:#0000004d;--loading-track:#121212;--shadow:#00000080;--weight-lightest:100}:root.light body{--foreground:black;--foreground-dimmed:#000000b3;--foreground-hint:#0000008a;--foreground-layer:#00000012;--foreground-layer-3x:#00000036;--background:#dadada;--background-light:#eaeaea;--background-lighter:#fff;--background-layer:#ffffffb3;--backdrop:#ffffff80;--loading-track:#ccc;--shadow:#0003;--weight-lightest:300}@media (prefers-color-scheme:light){:root:not(.dark) body{--foreground:black;--foreground-dimmed:#000000b3;--foreground-hint:#0000008a;--foreground-layer:#00000012;--foreground-layer-3x:#00000036;--background:#dadada;--background-light:#eaeaea;--background-lighter:#fff;--background-layer:#ffffffb3;--backdrop:#ffffff80;--loading-track:#ccc;--shadow:#0003;--weight-lightest:300}}header{justify-content:flex-end;max-width:1080px;height:40px;margin:0 auto;padding:0 40px;display:flex}header .brightness{align-items:center;height:40px;display:inline-flex}header .brightness i{opacity:.38;margin-left:10px}header .brightness i:hover{opacity:.7}header .brightness i{user-select:none;cursor:pointer}:root:not(.dark):not(.light) header .brightness i[data-mode=auto],:root.dark header .brightness i[data-mode=dark],:root.light header .brightness i[data-mode=light]{opacity:1}@keyframes entry{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:none}}@keyframes exit{to{opacity:1;transform:none}to{opacity:0;transform:translateY(5px)}}header .brightness-text{position:relative}header .brightness-text span{height:40px;line-height:40px;animation:.2s ease-in both exit;display:block;position:absolute;top:0;right:0}:root:not(.dark):not(.light) header .brightness-text span[data-mode=auto],:root.dark header .brightness-text span[data-mode=dark],:root.light header .brightness-text span[data-mode=light]{animation:.2s ease-out .15s both entry}main{max-width:1080px;margin:0 auto;padding:80px 40px}.header{font-family:Source Code Pro,source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace;font-size:42px}@keyframes cursur-blink{40%{opacity:1}50%,90%{opacity:0}to{opacity:1}}.cursor{background:var(--foreground);animation:1.5s infinite cursur-blink}.login-box{margin-top:60px;padding-top:54px;position:relative}@media (width>=751px){.login-box{width:400px}}.login-tsinghua{color:var(--background-lighter);background:0 0;background:var(--foreground);height:54px;box-shadow:var(--shadow)0 4px 12px;cursor:pointer;border:none;outline:none;padding:0;font-size:20px;font-weight:600;position:absolute;top:0;left:0;right:0}.login-tsinghua span{opacity:1;transition:opacity .2s}.login-tsinghua:hover span{opacity:.7}.login-direct{display:flex}.login-info{flex:1}.login-input:last-child{margin-top:20px}.login-btn{color:var(--background-lighter);background:0 0;background:var(--foreground);border:none;outline:none;justify-content:center;align-items:center;width:128px;height:128px;margin-left:20px;padding:0;display:flex}.login-btn .material-symbols-rounded{font-variation-settings:"FILL" 1,"wght" 700,"GRAD" 200,"opsz" 48;opacity:1;font-size:48px;transition:opacity .2s}.login-btn:enabled:hover .material-symbols-rounded{opacity:.7}.login-btn{transition:opacity .2s,box-shadow .2s}.login-btn:enabled{cursor:pointer;box-shadow:var(--shadow)0 4px 12px}.login-btn:disabled{opacity:.38}.info-box{margin-top:60px}@media (width>=751px){.info-box{width:400px}}.info-box{background:var(--foreground-layer);padding:40px 20px 20px;position:relative}.info-header{opacity:.54;background:var(--foreground-layer);clip-path:polygon(0% 0%,0% 100%,calc(100% - 10px) 100%,100% 0);height:30px;padding:0 20px 0 10px;font-size:14px;line-height:30px;position:absolute;top:0;left:0}.info-id{font-family:Source Code Pro,source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.info-name{font-size:32px}.info-logout{justify-content:center;align-items:center;height:20px;padding:0 5px;font-size:14px;line-height:20px;display:flex;position:absolute;bottom:20px;right:20px}.info-logout .material-symbols-rounded{font-variation-settings:"FILL" 1,"wght" 500,"GRAD" 100,"opsz" 18;height:14px;margin-left:5px;font-size:14px}.info-logout{cursor:pointer;opacity:.38;border-bottom:1px dashed #fff;transition:opacity .2s}.info-logout:hover{opacity:.7}.link-box{margin-top:60px}@media (width<=750px){.link-box{grid-template-columns:1fr 1fr;gap:20px;display:grid}}@media (width<=500px){.link-box{grid-template-columns:1fr}}.link-box{font-size:0}.link-entry{background:var(--background-light);padding:20px 20px 20px 30px}@media (width>=751px){.link-entry{width:200px;margin-bottom:20px;margin-right:20px;display:inline-block}}.link-entry{box-shadow:var(--shadow)0 4px 12px;border-radius:5px;position:relative;overflow:hidden}.link-entry:before{content:"";background-color:var(--theme-color);width:20px;transition:transform .2s;position:absolute;top:0;bottom:0;left:-10px}:focus .link-entry:before,.link-entry:hover:before{transform:translate(5px)}.link-title{font-family:Source Code Pro,source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace;font-size:24px;font-weight:600}.link-desc{opacity:.7;font-size:12px;font-weight:200}.link-decoration{z-index:-1}.link-decoration:before,.link-decoration:after{content:"";background:var(--foreground-layer);position:absolute;top:0;bottom:0;right:0}.link-decoration:before{clip-path:polygon(0% 0%,100% 0%,100% 60px);width:40px}.link-decoration:after{content:"";clip-path:polygon(0% 100%,100% 100%,100% calc(100% - 60px));width:100px}#loading-overlay{background:var(--background);z-index:1000;flex-direction:column;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}#loading-overlay .loading-sliders{width:300px;height:30px;margin-top:20px;font-family:Source Code Pro,source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace;position:relative}#loading-overlay .loading-slider{text-align:center;background:var(--background-layer);color:var(--foreground-dimmed);clip-path:inset(0 100% 0 0);font-size:12px;line-height:30px;animation:14s infinite slider-animation;position:absolute;inset:0}#loading-overlay .loading-slider:after{content:"...";animation:14s infinite slider-tail-animation}#loading-overlay .loading-slider:first-child,#loading-overlay .loading-slider:first-child:after{animation-delay:0s}#loading-overlay .loading-slider:nth-child(2),#loading-overlay .loading-slider:nth-child(2):after{animation-delay:3.5s}#loading-overlay .loading-slider:nth-child(3),#loading-overlay .loading-slider:nth-child(3):after{animation-delay:7s}#loading-overlay .loading-slider:nth-child(4),#loading-overlay .loading-slider:nth-child(4):after{animation-delay:10.5s}@keyframes slider-animation{0%{clip-path:inset(0 100% 0 0);transform:translate(-10px)}5.71429%,22.8571%{clip-path:inset(0);transform:translate(0)}28.5714%,to{clip-path:inset(0 0 0 100%);transform:translate(10px)}}@keyframes 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