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var(--c-spring)}@keyframes chat-pick-pop{0%{transform:scale(.6)}to{transform:none}}.chat-pick-chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}.chat-pick-chips button{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 9px 0 3px;border:0;border-radius:999px;background:var(--c-tint-strong);color:var(--c-ink);font:inherit;font-size:13px;cursor:pointer;animation:chat-pick-pop .24s var(--c-spring)}.chat-field{display:grid;gap:6px;margin-bottom:12px}.chat-field>span{color:var(--c-ink-2);font-size:12.5px;font-weight:600}.chat-field input{height:40px;padding:0 12px;border:0;border-radius:12px;background:var(--c-tint);color:var(--c-ink);font:inherit;font-size:14px;box-shadow:inset 0 0 0 1px var(--c-hair,rgba(127,140,170,.2))}.chat-field input:focus-visible{outline:none;box-shadow:inset 0 0 0 1.5px var(--c-blue)}.chat-share-prompt{display:flex;align-items:center;gap:10px;margin:8px 14px 0;padding:10px 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forwards}.chat-lightbox-bar{display:flex;align-items:center;gap:8px;padding:max(14px,env(safe-area-inset-top)) 16px 10px 20px}.chat-lightbox-bar>div{flex:1 1;min-width:0;display:grid}.chat-lightbox-bar strong{font-size:15px}.chat-lightbox-bar span{color:rgba(255,255,255,.62);font-size:12.5px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.chat-lightbox-stage{flex:1 1;min-height:0;display:grid;grid-template:minmax(0,1fr) /minmax(0,1fr);place-items:center;overflow:hidden;padding:8px 72px max(24px,env(safe-area-inset-bottom))}.chat-lightbox-stage img{max-width:100%;max-height:100%;width:auto;height:auto;border-radius:10px;object-fit:contain;box-shadow:0 30px 80px -30px rgba(0,0,0,.9);animation:chat-zoom-in .32s var(--c-spring);-webkit-user-select:none;user-select:none;cursor:zoom-in;touch-action:none;transform-origin:center;transition:transform .28s var(--c-ease);will-change:transform}.chat-lightbox-stage.is-zoomed img{cursor:grab;border-radius:0}.chat-lightbox-stage.is-zoomed img:active{cursor:grabbing}.chat-lightbox-bar>.chat-lightbox-zoom{flex:none;display:inline-flex;align-items:center;gap:2px;padding:3px;border-radius:999px;background:rgba(255,255,255,.1)}.chat-lightbox-zoom button{min-width:32px;height:32px;display:grid;place-items:center;padding:0 6px;border:0;border-radius:999px;background:transparent;color:#fff;font-size:12.5px;font-weight:650;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;transition:background .15s}.chat-lightbox-zoom button:hover:not(:disabled){background:rgba(255,255,255,.14)}.chat-lightbox-zoom button:disabled{opacity:.4;cursor:default}.chat-lightbox-zoom-value{min-width:54px!important}.chat-lightbox-nav{position:absolute;top:50%;width:48px;height:48px;display:grid;place-items:center;margin-top:-24px;border:0;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;transition:background .18s}.chat-lightbox-nav:hover{background:rgba(255,255,255,.2)}.chat-lightbox-nav.is-prev{left:16px}.chat-lightbox-nav.is-next{right:16px}@media (max-width:1180px){.chat-app.has-details{grid-template-columns:minmax(280px,320px) minmax(0,1fr)}.chat-app.has-details .chat-details{position:fixed;top:12px;right:12px;bottom:12px;z-index:50;width:min(360px,calc(100vw - 24px));background:var(--c-raise-strong);box-shadow:inset 0 1px 0 var(--c-rim),inset 0 0 0 1px var(--c-hair),var(--c-shadow-lift)}}@media (max-width:780px){.chat-app,.chat-app.has-details{grid-template-columns:1fr;gap:0;padding:0}.chat-sidebar,.chat-thread{grid-area:1/1;border-radius:0;box-shadow:none}.chat-sidebar{padding-top:env(safe-area-inset-top);padding-bottom:env(safe-area-inset-bottom);background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none}.chat-thread{visibility:hidden;transform:translateX(100%);transition:transform .38s var(--c-ease),visibility 0s linear .38s;background:var(--c-bg)}.chat-app.has-thread .chat-thread{visibility:visible;transform:none;transition:transform .38s var(--c-ease),visibility 0s}.chat-app.has-thread .chat-sidebar{transform:translateX(-24%);opacity:.4;pointer-events:none}.chat-app.has-thread .chat-sidebar,.chat-sidebar{transition:transform .38s var(--c-ease),opacity .38s var(--c-ease)}.chat-thread:before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(70vmax 50vmax at 100% 0,rgba(64,110,255,.22),transparent 60%),radial-gradient(60vmax 40vmax at 0 100%,rgba(45,181,144,.12),transparent 62%)}:root[data-theme=light] .chat-thread:before{background:radial-gradient(70vmax 50vmax at 100% 0,rgba(91,139,255,.22),transparent 60%),radial-gradient(60vmax 40vmax at 0 100%,rgba(87,217,180,.18),transparent 62%)}.chat-back{display:inline-grid}.chat-thread-head{padding:calc(env(safe-area-inset-top) + 6px) 6px 6px;min-height:58px}.chat-course-strip{min-height:46px;max-height:52px;gap:8px;padding:6px 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stretch;padding:0}.chat-sheet,.chat-sheet.is-m{width:100%;max-height:calc(100dvh - 40px - env(safe-area-inset-top));padding-bottom:env(safe-area-inset-bottom);border-radius:26px 26px 0 0;animation:chat-sheet-up .38s var(--c-ease)}.chat-sheet-backdrop.is-closing .chat-sheet{animation:chat-sheet-down .18s var(--c-ease) forwards}.chat-sheet-grabber{display:block;width:38px;height:5px;margin:8px auto -6px;border-radius:3px;background:var(--c-hair-strong)}.chat-lightbox-stage{padding:8px 0 max(16px,env(safe-area-inset-bottom))}.chat-lightbox-bar>.chat-lightbox-zoom,.chat-lightbox-nav{display:none}}@media (hover:none){.chat-row{-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}}@keyframes chat-spin{to{transform:rotate(1turn)}}@keyframes chat-fade{0%{opacity:0}to{opacity:1}}@keyframes chat-pop{0%{transform:scale(.6);opacity:0}to{transform:scale(1);opacity:1}}@keyframes chat-in-left{0%{opacity:0;transform:translate(-10px,12px) scale(.94)}to{opacity:1;transform:none}}@keyframes chat-in-right{0%{opacity:0;transform:translate(10px,14px) scale(.92)}to{opacity:1;transform:none}}@keyframes chat-rise{0%{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}@keyframes chat-menu-in{0%{opacity:0;transform:scale(.88)}to{opacity:1;transform:none}}@keyframes chat-sheet-in{0%{opacity:0;transform:translateY(14px) scale(.96)}to{opacity:1;transform:none}}@keyframes chat-sheet-out{to{opacity:0;transform:translateY(10px) scale(.97)}}@keyframes chat-sheet-up{0%{transform:translateY(100%)}to{transform:none}}@keyframes chat-sheet-down{to{transform:translateY(100%)}}@keyframes chat-slide-in{0%{opacity:0;transform:translateX(24px)}to{opacity:1;transform:none}}@keyframes chat-slide-up{0%{transform:translateY(100%)}to{transform:none}}@keyframes chat-zoom-in{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}@keyframes chat-shimmer{0%{background-position:100% 0}to{background-position:-100% 0}}@keyframes chat-typing{0%,60%,to{transform:translateY(0);opacity:.45}30%{transform:translateY(-3px);opacity:1}}@keyframes chat-highlight{0%,30%{box-shadow:0 0 0 3px color-mix(in srgb,var(--c-spark) 75%,transparent),0 0 30px color-mix(in srgb,var(--c-spark) 40%,transparent)}to{box-shadow:0 0 0 0 transparent}}@media (prefers-reduced-motion:reduce){:is(.chat-app,.chat-sheet-backdrop,.chat-menu-layer,.chat-profile-card,.chat-lightbox),:is(.chat-app,.chat-sheet-backdrop,.chat-menu-layer,.chat-profile-card,.chat-lightbox) *{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}.chat-avatar.is-xs{width:24px;height:24px;font-size:9px}.chat-bubble:has(>.chat-link-card){padding:4px}.chat-bubble:has(>.chat-link-card)>.chat-text{display:block;padding:4px 9px 6px}.chat-bubble:has(>.chat-link-card)>.chat-meta{margin:2px 6px 2px 10px}.chat-link-card{--link-accent:#ff3b3b;display:block;width:min(300px,68vw);overflow:hidden;border-radius:16px;background:color-mix(in srgb,#000 22%,var(--c-raise-strong));box-shadow:inset 0 0 0 1px var(--c-hair-strong);color:var(--c-ink);animation:chat-link-in .45s var(--c-spring) both;transition:transform .3s var(--c-spring)}.chat-link-card.is-bilibili{--link-accent:#fb7299}:root[data-theme=light] .chat-link-card{background:#fff;color:#0d1b3d}@media (hover:hover){.chat-link-card:hover{transform:translateY(-1px)}}.chat-link-thumb{position:relative;display:block;width:100%;aspect-ratio:16/9;padding:0;overflow:hidden;border:0;background:#05080f;cursor:pointer}.chat-link-thumb.is-playing{cursor:default}.chat-link-thumb iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.chat-link-brand{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(150deg,var(--link-accent),color-mix(in srgb,var(--link-accent) 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span{height:14px;border-radius:7px;background:linear-gradient(90deg,var(--c-tint) 0,var(--c-tint-strong) 50%,var(--c-tint) 100%);background-size:200% 100%;animation:chat-shimmer 1.4s linear infinite}.chat-card-skeleton span:first-child{height:46px;border-radius:14px}.chat-card-stack{display:inline-flex;align-items:center}.chat-card-stack>span{display:inline-flex;margin-left:-5px;border-radius:50%;box-shadow:0 0 0 2px var(--c-panel-solid);animation:chat-card-pop .45s var(--c-spring) both;animation-delay:calc(var(--i, 0) * 50ms + .12s)}.chat-card-stack>span:first-child{margin-left:0}.chat-card-stack-more{width:24px;height:24px;display:grid!important;place-items:center;background:var(--c-tint-strong);color:var(--c-ink-2);font-size:10px;font-weight:700}.chat-invite-main{display:flex;align-items:center;gap:13px}.chat-invite-date{width:58px;flex:none;display:grid;justify-items:center;padding:6px 0 7px;border-radius:16px;background:var(--c-panel-solid);box-shadow:inset 0 0 0 1px 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var(--c-panel-solid,#0F1832)}.chat-group-avatar-btn:disabled{cursor:default;opacity:.7}.chat-group-color{margin-bottom:12px}.chat-group-toggle{display:flex;align-items:center;gap:12px;margin-bottom:12px;cursor:pointer}.chat-group-toggle>span{flex:1 1;min-width:0;display:grid;gap:2px}.chat-group-toggle strong{color:var(--c-ink);font-size:14px;font-weight:600}.chat-group-toggle small{color:var(--c-ink-3);font-size:12px;line-height:1.4}.chat-group-save{width:100%;justify-content:center}.chat-group-invite{display:grid;justify-items:center;gap:10px;margin-top:12px;padding-top:12px;box-shadow:0 -1px 0 var(--c-hair)}.chat-group-invite>.chat-btn{width:100%;justify-content:center}.chat-group-invite img{width:150px;height:150px;border-radius:12px}.chat-group-invite small{color:var(--c-ink-3);font-size:12px;line-height:1.45;text-align:center}.chat-group-invite-link{display:flex;align-items:center;gap:6px;width:100%;padding:4px 4px 4px 12px;border-radius:12px;background:var(--c-tint)}.chat-group-invite-link span{flex:1 1;min-width:0;overflow:hidden;color:var(--c-ink-2);font-size:12.5px;text-overflow:ellipsis;white-space:nowrap}.chat-group-disclosure{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:40px;padding:0;border:0;background:none;color:var(--c-ink);font:inherit;font-size:14px;font-weight:600;cursor:pointer}.chat-group-disclosure small{color:var(--c-ink-3);font-size:12.5px;font-weight:500}.chat-group-manage{margin:8px 0 0;padding:0;list-style:none}.chat-group-manage select{height:34px;padding:0 8px;border:0;border-radius:10px;background:var(--c-tint-strong);color:var(--c-ink);font:inherit;font-size:13px}.chat-group-danger{display:grid;margin-top:10px}.chat-group-danger button{display:flex;align-items:center;justify-content:center;gap:8px;min-height:46px;border:0;border-radius:16px;background:color-mix(in srgb,var(--c-danger-fill) 14%,transparent);color:color-mix(in 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8px;border:0;border-radius:999px;background:var(--c-tint);color:var(--c-ink-2);font:inherit;font-size:12px;cursor:pointer}.chat-sticker-scroll{position:relative;height:330px;overflow-y:auto;overscroll-behavior:contain;padding:0 2px 4px}.chat-sticker-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.chat-sticker-cell{position:relative}.chat-sticker-add,.chat-sticker-pick{width:100%;aspect-ratio:1;display:grid;place-items:center;padding:6px;border:0;border-radius:14px;background:transparent;cursor:pointer;transition:background .15s var(--c-ease),transform .3s var(--c-spring)}.chat-sticker-pick:hover{background:var(--c-tint-strong)}.chat-sticker-add:active:not(:disabled),.chat-sticker-pick:active{transform:scale(.92)}.chat-sticker-pick .chat-sticker-media{width:100%;height:100%;object-fit:contain}.chat-sticker-pick .chat-sticker-media.is-emoji,.chat-sticker-pick .chat-sticker-media.is-missing{width:100%;height:100%;font-size:30px;border-radius:12px}.chat-sticker-add{border:1.5px dashed var(--c-hair-strong);color:var(--c-ink-3)}.chat-sticker-add:hover:not(:disabled){background:var(--c-tint);color:var(--c-blue)}.chat-sticker-add:disabled{opacity:.45;cursor:not-allowed}.chat-sticker-remove{position:absolute;top:2px;right:2px;display:grid;place-items:center;width:18px;height:18px;border-radius:50%;background:var(--c-coral);color:#fff;pointer-events:none}.chat-sticker-empty{margin:10px 6px 0;color:var(--c-ink-3);font-size:12.5px;line-height:1.55}.chat-sticker-pack{margin-top:12px}.chat-sticker-pack h4{display:flex;align-items:center;gap:6px;margin:0 6px 6px;font-size:12px;font-weight:650;color:var(--c-ink-2)}.chat-sticker-pack h4 em{padding:1px 6px;border-radius:999px;background:var(--c-tint);color:var(--c-spark);font-size:11px;font-style:normal}.chat-sticker-crop-backdrop{position:fixed;inset:0;z-index:400;display:grid;place-items:center;padding:16px;background:rgba(4,8,20,.45);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:chat-sticker-fade .18s ease both}.chat-sticker-crop{width:min(420px,100%);max-height:calc(100% - 16px);display:flex;flex-direction:column;gap:12px;padding:16px;border-radius:24px;background:var(--c-panel-solid);color:var(--c-ink);box-shadow:var(--c-shadow-lift),inset 0 0 0 1px var(--c-hair);font-family:var(--c-font);animation:chat-sticker-pop .32s var(--c-spring) both}.chat-sticker-crop header{display:flex;align-items:center;justify-content:space-between}.chat-sticker-crop header strong{font-size:16px;font-weight:650}.chat-sticker-crop-close{display:grid;place-items:center;width:30px;height:30px;border:0;border-radius:50%;background:var(--c-tint);color:var(--c-ink-2);cursor:pointer}.chat-sticker-crop-stage{position:relative;align-self:center;max-width:100%;line-height:0;border-radius:12px;overflow:hidden;background:repeating-conic-gradient(var(--c-tint) 0 25%,transparent 0 50%) 0 0 /16px 16px;touch-action:none;-webkit-user-select:none;user-select:none}.chat-sticker-crop-stage img{display:block;max-width:100%;max-height:min(52vh,380px)}.chat-sticker-crop-box{position:absolute;border:2px solid #fff;border-radius:6px;box-shadow:0 0 0 9999px rgba(0,0,0,.5);cursor:move;touch-action:none}.chat-sticker-crop-controls{display:grid;gap:8px}.chat-sticker-crop-size{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-ink-2)}.chat-sticker-crop-size input{flex:1 1;accent-color:var(--c-blue)}.chat-sticker-crop-whole{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-2);cursor:pointer}.chat-sticker-crop footer{display:flex;justify-content:flex-end;gap:8px}.chat-sticker-crop footer button{display:inline-flex;align-items:center;gap:6px}@keyframes chat-sticker-fade{0%{opacity:0}}@keyframes chat-sticker-pop{0%{opacity:0;transform:scale(.94) translateY(6px)}}@media (prefers-reduced-motion:reduce){.chat-sticker-crop,.chat-sticker-crop-backdrop{animation:none}}.chat-sticker-media.is-lottie{display:grid;place-items:center;aspect-ratio:1;color:var(--c-ink-3);font-size:40px;line-height:1}.chat-sticker>.chat-sticker-media.is-lottie{width:148px;height:148px}.chat-sticker-media.is-lottie.is-ready{font-size:0}.chat-sticker-media.is-lottie :is(svg,canvas){display:block;width:100%!important;height:100%!important}.chat-sticker-head-actions{display:inline-flex;gap:6px}.chat-sticker-pack-remove{margin-left:auto;padding:2px 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0;color:var(--c-ink-2);font-size:12.5px;line-height:1.5}.chat-telegram-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(64px,1fr));gap:6px;max-height:min(44vh,340px);overflow-y:auto;overscroll-behavior:contain;padding:2px}.chat-telegram-cell{position:relative;aspect-ratio:1;display:grid;place-items:center;padding:6px;border:0;border-radius:14px;background:var(--c-tint);cursor:pointer;opacity:.5;transition:opacity .15s var(--c-ease),box-shadow .15s var(--c-ease),transform .3s var(--c-spring)}.chat-telegram-cell.is-on{opacity:1;box-shadow:inset 0 0 0 2px var(--c-blue)}.chat-telegram-cell:disabled{cursor:default;opacity:1;box-shadow:none}.chat-telegram-cell:active:not(:disabled){transform:scale(.92)}.chat-telegram-cell img{width:100%;height:100%;object-fit:contain}.chat-telegram-cell>span{font-size:30px}.chat-telegram-cell i{position:absolute;top:4px;right:4px;display:grid;place-items:center;width:17px;height:17px;border-radius:50%;background:var(--c-panel-solid);box-shadow:inset 0 0 0 1.5px var(--c-hair-strong);color:#fff}.chat-telegram-cell.is-on i{background:var(--c-blue);box-shadow:none}.chat-telegram-cell em{position:absolute;bottom:3px;left:50%;transform:translateX(-50%);padding:0 5px;border-radius:999px;background:var(--c-panel-solid);color:var(--c-ink-3);font-size:10px;font-style:normal}.chat-sticker-media.is-lottie{position:relative}.chat-sticker-fallback,.chat-sticker-lottie{grid-area:1/1;width:100%;height:100%;display:grid;place-items:center}.chat-sticker-bar{position:relative;display:flex;gap:2px;margin:0 0 6px;padding:2px;overflow-x:auto;overscroll-behavior:contain;scrollbar-width:none;border-bottom:1px solid var(--c-hair)}.chat-sticker-bar::-webkit-scrollbar{display:none}.chat-sticker-bar button{flex:none;display:grid;place-items:center;width:38px;height:38px;margin-bottom:4px;padding:4px;border:0;border-radius:12px;background:transparent;color:var(--c-ink-2);cursor:pointer;transition:background .15s var(--c-ease),transform .3s var(--c-spring)}.chat-sticker-bar button:hover{background:var(--c-tint)}.chat-sticker-bar button:active{transform:scale(.9)}.chat-sticker-bar button.is-active{background:var(--c-tint-strong);color:var(--c-ink)}.chat-sticker-bar .chat-sticker-media{width:100%;height:100%;object-fit:contain}.chat-sticker-bar .chat-sticker-media:is(.is-lottie,.is-missing,.is-emoji){width:100%;height:100%;font-size:20px;border-radius:8px}.chat-sticker-bar-initial{font-size:14px;font-weight:700}.chat-sticker-section+.chat-sticker-section{margin-top:12px}.chat-telegram-link textarea{flex:1 1;min-width:0;min-height:42px;padding:10px 12px;resize:none;font:inherit;font-size:14px;line-height:1.4}.chat-telegram-batch{display:grid;gap:6px;max-height:min(44vh,340px);margin:0;padding:0;overflow-y:auto;list-style:none}.chat-telegram-batch li{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:12px;background:var(--c-tint)}.chat-telegram-batch-icon{flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;color:var(--c-ink-3)}.chat-telegram-batch li.is-done .chat-telegram-batch-icon{background:var(--c-mint);color:#fff}.chat-telegram-batch li.is-failed .chat-telegram-batch-icon{background:var(--c-coral);color:#fff}.chat-telegram-batch-name{flex:1 1;min-width:0;display:flex;align-items:baseline;gap:6px}.chat-telegram-batch-name strong{overflow:hidden;font-size:13.5px;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.chat-telegram-batch-name small{flex:none;color:var(--c-ink-3);font-size:12px}.chat-telegram-batch em{flex:none;color:var(--c-ink-2);font-size:12px;font-style:normal}.chat-telegram-batch li.is-failed em{color:var(--c-coral)}.chat-profile-card .chat-profile-card-head>span.study-activity-badge{color:var(--green);font-size:11px}