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infinite}.auth-decor{position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden;pointer-events:none}.auth-leaf{position:absolute;display:block;color:var(--olive);animation-name:auth-fade-in,auth-leaf-float;animation-duration:.6s,var(--leaf-dur);animation-delay:var(--leaf-in-delay),var(--leaf-float-delay);animation-timing-function:var(--auth-in-ease),ease-in-out;animation-iteration-count:1,infinite;animation-fill-mode:both,none}.auth-leaf>svg{display:block;width:100%;height:auto;transform:rotate(var(--leaf-rot))}.auth-leaf path{stroke:currentColor;stroke-width:1.1;stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}.auth-leaf-blade{stroke-opacity:.34;fill:currentColor;fill-opacity:.06}.auth-leaf-veins path{stroke-opacity:.28;fill:none}.auth-leaf-1{--leaf-rot: -24deg;--leaf-dur: 24s;--leaf-float-delay: 0s;--leaf-in-delay: .7s;width:104px;left:-6%;bottom:-7%}.auth-leaf-2{--leaf-rot: 26deg;--leaf-dur: 19s;--leaf-float-delay: -6s;--leaf-in-delay: .78s;width:70px;right:9%;top:2%;color:var(--clay)}.auth-leaf-3{--leaf-rot: 146deg;--leaf-dur: 27s;--leaf-float-delay: -11s;--leaf-in-delay: .86s;display:none}.auth-leaf-4{--leaf-rot: 202deg;--leaf-dur: 22s;--leaf-float-delay: -3s;--leaf-in-delay: .94s;display:none;color:var(--clay)}.auth-leaf-5{--leaf-rot: 98deg;--leaf-dur: 30s;--leaf-float-delay: -15s;--leaf-in-delay: 1.02s;display:none}.auth-ring{position:absolute;top:-120px;right:-120px;width:300px;height:300px;opacity:.6;animation:auth-fade-in .8s var(--auth-in-ease) .3s both}.auth-ring circle{fill:none;stroke:var(--border-strong);stroke-width:1;vector-effect:non-scaling-stroke}.auth-ring-dash{stroke-dasharray:2 6}.auth-ring-spin{transform-box:view-box;transform-origin:50% 50%;animation:auth-ring-spin 240s linear infinite}.auth-dots{display:none;position:absolute;width:160px;height:120px;opacity:.5;background-image:radial-gradient(circle,var(--gray-350) 1.2px,transparent 1.2px);background-size:12px 12px;-webkit-mask-image:radial-gradient(closest-side,#000 42%,transparent);mask-image:radial-gradient(closest-side,#000 42%,transparent);animation:auth-fade-in .6s var(--auth-in-ease) .42s both}.auth-cross{position:absolute;width:12px;height:12px;color:var(--gray-400);opacity:.7;background:linear-gradient(currentColor,currentColor) no-repeat center / 12px 1px,linear-gradient(currentColor,currentColor) no-repeat center / 1px 12px;animation:auth-fade-in .4s var(--auth-in-ease) .32s both}.auth-cross-tl{top:20px;left:20px}.auth-cross-tr{top:20px;right:20px}.auth-cross-bl{bottom:20px;left:20px}.auth-cross-br{bottom:20px;right:20px}.auth-panel{display:flex}.auth-card{position:relative;width:100%;max-width:440px;background:var(--surface);border:1px solid var(--border-weak);border-radius:var(--r-xl);box-shadow:var(--shadow-sm);padding:28px 24px;animation:auth-card-in var(--auth-in-dur) var(--auth-in-ease) .56s both}.auth-card:before{content:"";position:absolute;top:-1px;left:-1px;right:-1px;height:3px;border-radius:var(--r-xl) var(--r-xl) 0 0;background:linear-gradient(90deg,var(--clay),var(--peach),var(--oat))}.auth-card-title{display:flex;align-items:center;gap:8px;font-size:20px;font-weight:var(--fw-semibold);line-height:var(--lh-snug);color:var(--text)}.auth-card-title:before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:var(--clay)}.auth-card-desc{margin-top:6px;margin-bottom:20px;font-size:var(--fs-sm);line-height:var(--lh-loose);color:var(--text-3)}.auth-card .form-group{margin-bottom:16px}.auth-card .btn-block{margin-top:8px;transition:background-color var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.auth-card .btn-block:not(:disabled):hover{transform:translateY(-1px);box-shadow:var(--shadow-sm)}.auth-card .btn-block:not(:disabled):active{transform:none;box-shadow:none}.auth-card .form-input:focus{border-color:var(--clay-hover);box-shadow:0 0 0 3px #c6613f2e}.auth-note{margin-top:var(--sp-4);text-align:center;color:var(--text-4);font-size:var(--fs-xs);line-height:var(--lh-loose)}.auth-footer{position:relative;z-index:1;padding:40px 20px 32px;text-align:center;color:var(--text-4);font-size:var(--fs-xs);line-height:var(--lh-looser)}@keyframes auth-up{0%{opacity:0;transform:translateY(12px)}}@keyframes auth-headline-in{0%{opacity:0;transform:translateY(12px);letter-spacing:.08em}}@keyframes auth-card-in{0%{opacity:0;transform:translateY(20px) scale(.98)}}@keyframes auth-rule-in{0%{opacity:0;width:0}}@keyframes auth-arc-draw{0%{stroke-dasharray:0 100}}@keyframes auth-arc-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes auth-fade-in{0%{opacity:0}}@keyframes auth-leaf-float{0%{transform:translateY(0) rotate(-4deg)}50%{transform:translateY(-14px) rotate(4deg)}to{transform:translateY(0) rotate(-4deg)}}@keyframes auth-ring-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (min-width: 900px){.auth-inner{grid-template-columns:minmax(0,1fr) 400px;align-items:center;align-content:center;gap:72px;padding:48px 32px}.auth-hero:before{margin-bottom:24px}.auth-headline{font-size:clamp(64px,5.2vw,84px)}.auth-tagline{margin-top:20px;font-size:26px;max-width:18em}.auth-points{margin-top:32px}.auth-arcs{width:340px;height:340px;right:-9%;bottom:-24%}.auth-card{max-width:400px;padding:40px 36px}.auth-footer{padding:32px 32px 40px}.auth-ring{width:520px;height:520px;top:-230px;right:-230px}.auth-dots{display:block;left:6%;bottom:22%}.auth-cross-tl{top:28px;left:28px}.auth-cross-tr{top:28px;right:28px}.auth-cross-bl{bottom:28px;left:28px}.auth-cross-br{bottom:28px;right:28px}.auth-leaf-1{width:124px;left:1%;bottom:4%}.auth-leaf-2{width:96px;right:5%;top:6%}.auth-leaf-3{display:block;width:78px;right:3%;bottom:14%}.auth-leaf-4{display:block;width:66px;left:12%;top:7%}.auth-leaf-5{display:block;width:86px;left:42%;bottom:15%}}@media (max-width: 360px){.auth-inner{padding:32px 16px 0}.auth-headline{font-size:38px}.auth-card{padding:24px 20px}}@media (prefers-reduced-motion: reduce){.auth-page,.auth-page:before,.auth-page:after,.auth-page *,.auth-page *:before,.auth-page *:after{animation:none!important;transition:none!important}.auth-card .btn-block:not(:disabled):hover{transform:none;box-shadow:none}}.site-footer{padding:var(--sp-8) var(--sp-4) var(--sp-10);text-align:center;color:var(--text-4);font-size:var(--fs-xs);line-height:var(--lh-looser);border-top:1px solid var(--border-weak);margin-top:var(--sp-10)}.site-header{background:var(--gray-950);color:var(--gray-050);padding:var(--sp-6) var(--sp-4)}.site-header-inner{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4)}.site-header h1{font-size:var(--fs-xl);font-weight:var(--fw-bold);line-height:var(--lh-normal);letter-spacing:-.01em}.site-header p{margin-top:var(--sp-1);font-size:var(--fs-sm);color:var(--gray-400)}@media (min-width: 641px){.site-header h1{font-size:var(--fs-3xl)}}.container{max-width:960px;margin:0 auto;padding:var(--sp-6) var(--sp-4)}.banner{display:flex;align-items:flex-start;gap:var(--sp-3);padding:var(--sp-4);margin-bottom:var(--sp-4);border:1px solid 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.banner-title{color:var(--text)}.countdown{font-size:var(--fs-md);font-weight:var(--fw-bold);color:var(--clay-hover);font-variant-numeric:tabular-nums;margin-top:var(--sp-2);display:inline-block}@media (max-width: 640px){.banner{flex-direction:column;gap:var(--sp-2)}}.club-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(280px,100%),1fr));gap:var(--sp-4)}.club-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border-weak);border-radius:var(--r-lg);padding:var(--sp-5);transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.club-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-sm)}.club-card.is-mine{border-color:var(--ok);border-width:2px;padding:calc(var(--sp-5) - 1px)}.club-card.is-disabled{background:var(--bg);opacity:.72}.club-card.is-disabled:hover{border-color:var(--border-weak);box-shadow:none}.club-head{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--sp-2);margin-bottom:var(--sp-2)}.club-name{font-size:var(--fs-lg);font-weight:var(--fw-bold);line-height:var(--lh-normal);color:var(--text);flex:1}.club-teacher{font-size:var(--fs-sm);color:var(--text-2);margin-bottom:var(--sp-2)}.club-intro{font-size:var(--fs-sm);color:var(--text-2);line-height:var(--lh-loose);margin-bottom:var(--sp-3);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.club-meta{display:flex;flex-wrap:wrap;gap:var(--sp-3);font-size:var(--fs-xs);color:var(--text-4);margin-bottom:var(--sp-4)}.club-card .btn{margin-top:auto}.club-reason{font-size:var(--fs-xs);color:var(--warn);text-align:center;line-height:var(--lh-loose);margin-top:var(--sp-2)}@media (max-width: 900px){.app-shell{flex-direction:column}.sidebar{width:100%;flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--border-weak);padding:var(--sp-2) var(--sp-3);align-items:center;gap:var(--sp-2)}.sidebar-brand{margin-bottom:0;white-space:nowrap}.sidebar-nav{flex-direction:row;flex:1}.nav-link{white-space:nowrap}.sidebar-footer{margin-top:0;padding-top:0;border-top:0}.page{padding:var(--sp-4)}}@media (max-width: 640px){.toolbar{flex-direction:column;align-items:stretch}.toolbar-actions{justify-content:flex-start}.stat-grid{grid-template-columns:repeat(3,1fr)}.stat-value{font-size:var(--fs-3xl)}th,td{padding:10px 12px}.site-header-inner{align-items:flex-start}}.tabs{display:inline-flex;gap:2px;padding:3px;background:var(--bg-muted);border-radius:var(--r-input)}.tab{padding:6px 14px;border-radius:var(--r-md);border:0;background:transparent;color:var(--text-2);font:inherit;font-size:var(--fs-base);font-weight:var(--fw-medium);cursor:pointer;transition:background-color .15s var(--ease),color .15s var(--ease)}.tab:hover{color:var(--text)}.tab.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-sm)}.switch{position:relative;display:inline-flex;align-items:center;gap:var(--sp-3);cursor:pointer;-webkit-user-select:none;user-select:none}.switch-track{width:44px;height:26px;border-radius:var(--r-full);background:var(--gray-300);position:relative;transition:background-color var(--dur) var(--ease);flex-shrink:0}.switch-track:after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:var(--surface);box-shadow:var(--shadow-lg);transition:transform var(--dur) var(--ease)}.switch.on .switch-track{background:var(--ok)}.switch.on .switch-track:after{transform:translate(18px)}.switch.is-disabled{opacity:.5;cursor:not-allowed}.switch-label{font-size:var(--fs-base);font-weight:var(--fw-medium)}.pager{display:flex;align-items:center;justify-content:flex-end;gap:var(--sp-2);margin-top:var(--sp-4);font-size:var(--fs-sm);color:var(--text-3)}.pager .btn{min-width:32px}.upload{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3);padding:var(--sp-4);border:1px dashed var(--border-strong);border-radius:var(--r-lg);background:var(--bg-subtle)}.upload-hint{font-size:var(--fs-sm);color:var(--text-3);flex:1;min-width:200px}.nav-group-label{padding:var(--sp-4) var(--sp-3) var(--sp-1);font-size:var(--fs-xs);font-weight:var(--fw-semibold);color:var(--text-4);letter-spacing:.04em;text-transform:uppercase}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:18px;height:18px;padding:0 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0}.modal-footer{position:sticky;bottom:calc(var(--sp-6) * -1);background:var(--surface);margin-bottom:calc(var(--sp-6) * -1);padding-bottom:var(--sp-6)}@media (max-width: 640px){table.table-cards thead{display:none}table.table-cards,table.table-cards tbody,table.table-cards tr,table.table-cards td{display:block;width:100%}table.table-cards tr{padding:var(--sp-3) var(--sp-4);border-bottom:1px solid var(--border-weak)}table.table-cards td{display:flex;justify-content:space-between;gap:var(--sp-3);padding:4px 0;border:0}table.table-cards td:before{content:attr(data-label);color:var(--text-3);font-size:var(--fs-sm);flex-shrink:0}table.table-cards td.actions{justify-content:flex-start;padding-top:var(--sp-2)}table.table-cards td.actions:before{content:none}}.mb-0{margin-bottom:0!important}.toolbar>.page-title{margin-bottom:0}.pointer{cursor:pointer}.w-xs{width:100px!important}.w-sm{width:140px!important}.w-md{width:200px!important}.w-lg{width:280px!important}.maxw-sm{max-width:420px}.maxw-md{max-width:560px}.maxw-lg,.modal.maxw-lg{max-width:680px}.vr{width:1px;align-self:stretch;background:var(--border-weak)}@media (max-width: 640px){.w-xs,.w-sm,.w-md,.w-lg{width:100%!important}}.ul-list{padding-left:20px;list-style:disc}.row-end{display:flex;align-items:flex-end;gap:var(--sp-3);flex-wrap:wrap}.scroll-sm{max-height:260px;overflow-y:auto}.scroll-md{max-height:320px;overflow-y:auto}.scroll-lg{max-height:64vh;overflow-y:auto}.club-card.is-disabled{opacity:1;background:var(--bg-subtle)}.club-card.is-disabled .club-name{color:var(--text-2)}.club-card.is-disabled .club-intro,.club-card.is-disabled .club-meta,.club-card.is-disabled .club-teacher{color:var(--text-3)}.club-card.is-disabled .btn:disabled{opacity:1;background:var(--gray-150);color:var(--text-3);border-color:var(--gray-150)}