.c2-heading{display:flex;align-items:center;gap:22px;margin-bottom:18px}.c2-heading h1{margin:2px 0;font-size:27px}.c2-heading>p{color:#678b84;flex:1}.c2-heading>button{display:flex;align-items:center;gap:8px}.c2-eyebrow{font-size:10px;letter-spacing:3px;font-weight:800;color:#2d9c8c}.c2-workspace{display:grid;grid-template-columns:210px 255px minmax(300px,1fr);height:min(760px,calc(100dvh - 175px));min-height:560px;border-radius:22px;overflow:hidden;background:#fcfffe;border:1px solid #cbe8df;box-shadow:0 18px 42px #174d3f17,0 3px 0 #b3d8cacc,inset 0 1px 0 #fff}.c2-org{background:linear-gradient(150deg,#edfaf5,#e1f1ec);overflow:auto;border-right:1px solid #cde4db}.c2-conversations{background:#f3faf7;border-right:1px solid #dbe9e2;display:flex;flex-direction:column;min-width:0}.c2-column-title{display:flex;align-items:center;justify-content:space-between;padding:18px 16px;height:65px;color:#20594b}.c2-column-title>span{font-size:11px;color:#6c8e84}.c2-search{display:flex;align-items:center;gap:6px;margin:0 10px 12px;padding:0 10px;background:#ffffffba;border:1px solid #d3e8df;border-radius:9px}.c2-search input{width:100%;background:transparent;border:0;padding:9px 0;outline:0}.c2-search>span{font-size:21px;color:#4b8674}.c2-branch{margin:0 7px 7px 8px}.c2-branch summary{cursor:pointer;padding:9px 5px;font-size:13px;font-weight:700;overflow-wrap:anywhere}.c2-branch>div{margin-left:8px;padding-left:8px;border-left:1px solid #b5d4c7}.c2-branch .c2-branch{margin-left:0}.c2-person{display:flex;align-items:center;gap:8px;padding:8px 4px;border:0;background:transparent;width:100%;border-radius:9px;text-align:left;cursor:pointer;position:relative}.c2-person:before{position:absolute;left:-9px;top:50%;width:8px;border-top:1px solid #b5d4c7;content:''}.c2-person:hover{background:#fff9;box-shadow:0 3px 8px #255b4612}.c2-person small{font-size:10px;color:#6d9183;margin-left:5px}.c2-avatar{width:34px;height:34px;flex-shrink:0;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#b4e7d4,#66b9a2);color:#185244;font-weight:700;overflow:hidden;border:1px solid #ffffffc9;box-shadow:0 3px 6px #14583d10}.c2-avatar img{width:100%;height:100%;object-fit:cover}.c2-avatar.group{background:linear-gradient(145deg,#d3d9ff,#8f9fe0);color:#344777}.c2-conversation{position:relative;display:flex;border-bottom:1px solid #e6efeb;min-width:0}.c2-conversation.selected{background:linear-gradient(90deg,#d4f0e5,#e8f8f2);box-shadow:inset 4px 0 #36a081}.c2-conversation.pinned:not(.selected){background:#e9f2ee}.c2-conversation-open{min-width:0;flex:1;display:flex;align-items:center;gap:10px;padding:16px 12px;border:0;background:transparent;text-align:left;cursor:pointer}.c2-conversation-open:hover{background:#ddf2e788}.c2-conversation-copy{min-width:0;display:flex;flex-direction:column;gap:5px;flex:1}.c2-conversation-copy b{font-size:14px}.c2-conversation-copy small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#7a9289;font-size:11px}.c2-conversation-copy time{font-size:10px;color:#98aaa3}.c2-conversation-menu{border:0;background:transparent;width:26px;cursor:pointer;color:#658577;padding:0 6px}.c2-conversation-menu:hover{background:#d9eee3}.c2-unread,.c2-nav-badge{background:#ee636e;color:#fff;min-width:19px;height:19px;border-radius:20px;display:inline-flex;align-items:center;justify-content:center;font-size:10px;font-weight:800;padding:0 5px;box-shadow:0 2px 5px #c5484322}.c2-nav-badge{margin-left:auto}.c2-nav-badge[hidden]{display:none}#c2-list{overflow:auto;flex:1}.c2-room{display:flex;flex-direction:column;min-height:0;min-width:0;background:radial-gradient(ellipse at 95% 0,#e7f5ec 0,transparent 55%),#f9fcfa}.c2-room-header{padding:14px 20px;min-height:72px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e2eee7;background:#ffffffa8;box-shadow:0 2px 10px #1c624806}.c2-room-header h2{margin:0 0 5px;font-size:17px}.c2-room-header small{font-size:11px;color:#8ba296}.c2-icon-button{display:inline-flex;align-items:center;justify-content:center;width:34px;height:32px;cursor:pointer;border:0;background:transparent;color:#537b68;border-radius:8px;font-size:20px}.c2-icon-button:hover{background:#def1e5;color:#187653;transform:translateY(-1px)}.c2-messages{flex:1;min-height:0;overflow:auto;padding:20px;scroll-behavior:smooth}.c2-message{display:flex;align-items:flex-start;gap:10px;margin-bottom:22px}.c2-message.own{flex-direction:row-reverse}.c2-message-body{max-width:78%;min-width:0;display:flex;flex-direction:column;align-items:flex-start}.c2-message.own .c2-message-body{align-items:flex-end}.c2-message-body>small{font-size:10px;color:#8b9f95;margin-bottom:6px}.c2-bubble{padding:10px 14px;border-radius:0 15px 15px 15px;background:#fff;box-shadow:0 4px 14px #295d4210;border:1px solid #e4ede8;max-width:100%}.own .c2-bubble{border-radius:15px 0 15px 15px;background:linear-gradient(145deg,#c4eed8,#b2e3ca);border-color:#aaddc0}.c2-bubble p{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.65}.c2-bubble.sticker{padding:0;background:transparent;border:0;box-shadow:none}.c2-message-image{display:block;max-width:min(240px,100%);max-height:260px;border-radius:9px;object-fit:contain}.c2-uploaded-sticker{width:132px;max-height:150px;object-fit:contain}.c2-message-video{max-width:100%;max-height:250px;border-radius:8px}.c2-bubble audio{max-width:100%;width:240px}.c2-file-card{display:flex;gap:10px;align-items:center;color:#326f56;max-width:230px;overflow-wrap:anywhere}.c2-file-card small{display:block;margin-top:5px;color:#809788;font-size:10px}.c2-compose{border-top:1px solid #deebe3;background:#fff;padding:8px 16px 12px;position:relative}.c2-toolbar{display:flex;align-items:center;gap:6px;min-height:36px;flex-wrap:wrap}.c2-toolbar select{font-size:11px;padding:4px;border:1px solid #e1ece5;border-radius:6px;background:#fbfefa;max-width:95px}.c2-toolbar input[type=color]{width:26px;height:24px;border:0;background:none;padding:0;cursor:pointer}.c2-toolbar>span{font-size:10px;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#528367}.c2-compose textarea{display:block;width:100%;min-height:70px;max-height:130px;resize:vertical;padding:7px 0;border:0;outline:0;box-shadow:none;background:transparent;font:14px/1.6 "Microsoft YaHei",sans-serif}.c2-compose footer{display:flex;align-items:center;justify-content:space-between;gap:8px}.c2-compose footer small{font-size:10px;color:#98ab9d}.c2-compose footer button{padding:8px 22px;border-radius:10px;background:linear-gradient(135deg,#3fa782,#257d66);box-shadow:0 3px 0 #185d47}.c2-sticker-picker{position:absolute;bottom:100%;left:10px;right:10px;border:1px solid #d6e9dd;background:#fffffffa;backdrop-filter:blur(12px);box-shadow:0 -8px 30px #284f3a1f;border-radius:14px;padding:12px;z-index:4}.c2-sticker-picker[hidden]{display:none}.c2-sticker-tabs{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.c2-sticker-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(82px,1fr));gap:7px;max-height:270px;overflow:auto}.c2-sticker-grid>button{border:0;border-radius:10px;cursor:pointer;background:#f5faf7;padding:4px;transition:transform .15s}.c2-sticker-grid>button:hover{transform:translateY(-3px) rotate(-3deg);background:#def2e5}.c2-sticker-grid img{width:80px;height:84px;object-fit:contain}.c2-sticker-art{display:flex;width:126px;height:136px;align-items:center;justify-content:center;flex-direction:column;gap:7px;background:radial-gradient(ellipse at top,#fff9,transparent),var(--sticker-bg);border-radius:23px 23px 32px 23px;border:2px solid #fffc;box-shadow:0 6px 0 #426e5514,0 8px 16px #315c3e14;transform:rotate(-3deg);user-select:none}.c2-sticker-art>span{font-size:64px;filter:drop-shadow(0 4px 1px #34562c14);line-height:1.1}.c2-sticker-art>b{font-size:15px;color:#457259;letter-spacing:1px}.c2-sticker-grid .c2-sticker-art{width:100%;height:92px;border-radius:13px;box-shadow:none;transform:none;gap:3px}.c2-sticker-grid .c2-sticker-art>span{font-size:39px}.c2-sticker-grid .c2-sticker-art>b{font-size:10px}.c2-welcome{margin:auto;text-align:center;padding:30px;color:#789786}.c2-welcome>div{font-size:78px;color:#99c8af;text-shadow:0 8px 0 #dcece1}.c2-welcome h2{color:#40735a;margin:20px 0 10px}.c2-welcome p{font-size:12px;line-height:2}.c2-empty{padding:26px 16px;text-align:center;font-size:12px;color:#8fa399}.c2-context-menu{position:fixed;z-index:1500;min-width:160px;padding:5px;border:1px solid #d5e8dc;border-radius:12px;background:#ffffffed;backdrop-filter:blur(14px);box-shadow:0 10px 32px #234e342b}.c2-context-menu button{display:block;width:100%;padding:11px 14px;border:0;background:transparent;border-radius:8px;text-align:left;cursor:pointer;color:#32674d}.c2-context-menu button:hover{background:#e5f5ea}.c2-member-picker{max-height:42dvh;overflow:auto}.c2-people-picker{padding:8px;margin:5px 0;border-left:2px solid #cfe7d8}.c2-people-picker summary{cursor:pointer;font-weight:700;color:#4a795d}.c2-people-picker label{display:flex;align-items:center;gap:9px;margin:7px 8px}.c2-people-picker input{width:auto}.c2-people-picker .c2-avatar{width:25px;height:25px;border-radius:8px;font-size:12px}#c2-history{display:flex;gap:5px;padding:8px;background:#edf7f0;border-bottom:1px solid #dcebdd}#c2-history[hidden]{display:none}#c2-history input{flex:1;min-width:0;border:1px solid #d4e5d8;border-radius:7px;padding:7px;font-size:12px}.c2-load-more{display:block;margin:0 auto 20px;background:transparent;border:0;color:#699580;cursor:pointer;font-size:11px}.c2-call-surface{position:fixed;right:25px;bottom:25px;width:min(360px,90vw);background:#183c30;border:1px solid #50715a;border-radius:17px;padding:14px;color:white;box-shadow:0 12px 40px #0004;z-index:1450}.c2-call-surface>div{display:flex;justify-content:space-between;align-items:center;gap:9px;margin-bottom:10px}.c2-call-surface strong{font-size:12px}.c2-call-surface video{width:100%;max-height:260px;border-radius:10px;background:#112b22}#c2-local{width:80px;max-height:70px;position:absolute;bottom:20px;right:20px;border:1px solid #fff5}.c2-workspace ::-webkit-scrollbar{width:5px;height:5px}.c2-workspace ::-webkit-scrollbar-thumb{background:#c2dcca;border-radius:10px}
@media(max-width:1200px){.c2-workspace{grid-template-columns:175px 210px minmax(270px,1fr)}.c2-heading>p{display:none}.c2-heading>div{flex:1}.c2-message-body{max-width:85%}.c2-messages{padding:14px}}
@media(max-width:950px){.c2-workspace{grid-template-columns:155px 180px minmax(240px,1fr)}.c2-conversation-open{padding:13px 7px;gap:6px}.c2-conversation-open .c2-avatar{width:28px;height:28px}.c2-column-title{padding:14px 9px}.c2-column-title>span{display:none}.c2-person{font-size:12px}.c2-person .c2-avatar{width:25px;height:25px;font-size:11px}.c2-heading h1{font-size:23px}}
@media(max-width:760px){.c2-workspace{display:grid;grid-template-columns:110px minmax(0,1fr);grid-template-rows:180px minmax(390px,1fr);height:calc(100dvh - 150px);min-height:620px;border-radius:15px}.c2-org{grid-column:1;grid-row:1 / 3}.c2-conversations{grid-column:2;grid-row:1;border-bottom:2px solid #d5e8dc;border-right:0}.c2-conversations .c2-column-title{height:40px;padding:5px 12px}.c2-conversation-open{padding:9px 10px}.c2-conversation-copy time{display:none}.c2-room{grid-column:2;grid-row:2}.c2-room-header{padding:10px;min-height:58px}.c2-room-header h2{font-size:14px}.c2-room-header small{font-size:10px}.c2-room-header>div:last-child{display:flex}.c2-search{padding:0 5px;margin:0 5px 8px}.c2-search input{font-size:11px}.c2-branch{margin-left:4px;margin-right:1px}.c2-branch>div{margin-left:2px;padding-left:4px}.c2-branch summary{font-size:11px;padding:8px 0}.c2-person{gap:4px;align-items:flex-start}.c2-person span:last-child{overflow-wrap:anywhere}.c2-person .c2-avatar{width:22px;height:22px;border-radius:7px}.c2-person small{display:none}.c2-compose{padding:6px 9px 10px}.c2-toolbar{gap:2px}.c2-toolbar select{max-width:76px;font-size:10px}.c2-compose footer small{display:none}.c2-compose footer{justify-content:flex-end}.c2-message{gap:5px}.c2-message>.c2-avatar{width:25px;height:25px;border-radius:8px}.c2-message-body{max-width:83%}.c2-message-body>small{font-size:9px}.c2-bubble{padding:8px}.c2-messages{padding:12px 7px}.c2-sticker-art{width:100px;height:112px}.c2-sticker-art>span{font-size:48px}.c2-sticker-art>b{font-size:12px}.c2-sticker-grid{grid-template-columns:repeat(3,minmax(45px,1fr))}.c2-sticker-tabs{font-size:11px}.c2-heading{gap:9px;margin-bottom:12px}.c2-heading .c2-avatar{width:25px;height:25px}.c2-heading>button{font-size:11px;padding:6px}.c2-eyebrow{font-size:9px}.c2-heading h1{font-size:22px}.c2-message-image{max-width:100%;max-height:200px}}
@media(prefers-reduced-motion:reduce){.c2-workspace *{scroll-behavior:auto!important;transition:none!important;transform:none!important}}