:root{--green:#155d47;--green-dark:#104735;--lime:#ddecce;--ink:#23352f;--muted:#8a9690;--line:#e8ece8;--paper:#fff;--bg:#f5f6f2;--soft:#eef3ed;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:#e9eee7;font-size:14px}button,input,textarea,select{font:inherit}button,a,input,textarea{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button{border:0;background:none;color:inherit}button:disabled{opacity:.5;cursor:wait}button:focus-visible,a:focus-visible{outline:3px solid #8abc73;outline-offset:3px}a{color:var(--green)}input,textarea,select{border:1px solid var(--line);border-radius:10px;padding:12px;outline:none;color:var(--ink);background:#fff}input:focus,textarea:focus{border-color:#7d9c80;box-shadow:0 0 0 3px #155d4710}button svg{pointer-events:none}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.65;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}.boot{padding:25vh 20px;text-align:center;color:var(--green)}.primary{background:var(--green);color:white;border-radius:9px;padding:12px 22px;font-weight:600}.primary:hover{background:var(--green-dark)}.secondary{border:1px solid #d5dfd6;border-radius:8px;padding:9px 14px;background:#fff}.danger{color:#ae4d43}.muted{color:var(--muted);font-size:12px;line-height:1.8}.logo{display:flex;align-items:center;gap:11px;font-size:22px;font-weight:650;letter-spacing:2px}.logo img{width:39px;height:39px}.pill{display:inline-flex;align-items:center;gap:5px;border:1px solid #dbe5d8;border-radius:20px;padding:6px 11px;color:#61745f;background:#f5f8f0;font-size:11px;white-space:nowrap}.pill svg{width:13px;height:13px}.login-wrap{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;max-width:1440px;margin:auto;background:var(--bg)}.login-story{background:#e8efdf;padding:60px 9%;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}.story-copy{max-width:460px;margin:65px 0}.eyebrow{font-size:11px;letter-spacing:3px;font-weight:600;color:#72866e;text-transform:uppercase}.story-copy h1{font-size:clamp(36px,4vw,57px);font-weight:500;line-height:1.4;letter-spacing:-1px;margin:22px 0}.story-copy p{color:#73836d;line-height:2}.story-visual{border:1px solid #d6dfca;border-radius:17px;background:#f8faef;padding:25px 24px;transform:rotate(-3deg);max-width:370px;box-shadow:0 18px 40px #38502e0c;margin:0 0 50px 20px}.visual-row{display:flex;gap:12px;margin:14px 0;align-items:center}.visual-bubble{padding:13px 18px;background:white;border:1px solid #e9ecdf;border-radius:4px 14px 14px;line-height:1.7;font-size:13px}.visual-row.self{justify-content:flex-end}.visual-row.self .visual-bubble{background:var(--lime);border-color:var(--lime);border-radius:14px 4px 14px 14px}.login-side{display:flex;align-items:center;justify-content:center;padding:50px 35px;position:relative}.login-box{width:100%;max-width:350px}.login-box h2{font-size:29px;font-weight:550;margin:0 0 12px}.login-box>p{color:var(--muted);margin-bottom:35px}.login-box label,.form label{display:grid;gap:9px;margin:18px 0;font-size:12px;font-weight:600}.login-box input{height:49px;background:#fff}.captcha-line{display:flex;gap:10px}.captcha-line input{min-width:0;flex:1}.captcha-btn{padding:0;overflow:hidden;border:1px solid var(--line);border-radius:9px;background:#eef6f0;width:145px;flex-shrink:0}.captcha-btn img{width:100%;height:48px;object-fit:fill;display:block}.login-box .primary{width:100%;margin:10px 0 18px;height:49px;display:flex;align-items:center;justify-content:center;gap:10px}.login-footer{position:absolute;bottom:25px;font-size:11px;color:#9ca598}.login-note{display:flex;gap:10px;background:#eef1e9;border:1px solid #e4e9dd;padding:14px;border-radius:10px;color:#74816e;font-size:12px;line-height:1.8}.login-note svg{width:17px;margin-top:3px}.shell{height:100vh;height:100dvh;display:grid;grid-template-columns:76px 320px 1fr;background:var(--paper);max-width:1800px;margin:auto;overflow:hidden}.rail{background:#eff2eb;border-right:1px solid #e1e6dd;display:flex;align-items:center;flex-direction:column;padding:26px 0 18px;gap:18px}.rail .brand{margin-bottom:23px}.brand img{width:40px;height:40px;display:block}.nav-btn{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#8e9a88;position:relative}.nav-btn.active{background:#dfe9d6;color:var(--green)}.nav-btn:hover{background:#e2e9db}.rail-bottom{margin-top:auto;display:grid;gap:15px;justify-items:center}.avatar{width:43px;height:43px;border-radius:13px;background:#e8eadf;display:inline-flex;align-items:center;justify-content:center;color:#667857;font-size:15px;font-weight:600;flex-shrink:0;user-select:none}.avatar.c1{background:#e1eadb;color:#5d7754}.avatar.c2{background:#e7e5d8;color:#92865c}.avatar.c3{background:#e2e9ed;color:#66818c}.avatar.c4{background:#ece1dc;color:#987060}.avatar.group{background:#e2ebdd;color:#64805c}.avatar.small{width:34px;height:34px;font-size:12px;border-radius:11px}.sidebar{border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0;background:#fbfcf9}.side-head{padding:34px 24px 15px}.side-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:25px}.side-title h1{font-size:23px;font-weight:600;margin:0;letter-spacing:1px}.icon-btn{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;color:#819077}.icon-btn:hover{background:#e9eee4}.side-search{position:relative}.side-search svg{position:absolute;left:12px;top:11px;width:16px;height:16px;color:#9aa591}.side-search input{width:100%;padding:10px 12px 10px 36px;background:#f0f3ed;border:0;font-size:12px}.side-label{display:flex;align-items:center;justify-content:space-between;color:#97a08f;font-size:10px;letter-spacing:1.5px;padding:16px 25px 10px}.count{font-size:10px;padding:2px 6px;border-radius:5px;background:#edf1e7;color:#809070}.conversation-list{overflow-y:auto;flex:1;padding:0 12px 12px}.conversation{width:100%;display:flex;gap:12px;align-items:center;padding:16px 12px;border-radius:10px;text-align:left;margin:3px 0;min-width:0}.conversation:hover{background:#f0f3eb}.conversation.active{background:#e9efdf}.conv-content{flex:1;min-width:0}.conv-line{display:flex;align-items:center;justify-content:space-between;gap:5px}.conv-name{font-size:13px;font-weight:600;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.conv-time{font-size:10px;color:#9aa48f;white-space:nowrap}.conv-preview{font-size:11px;color:#8d9883;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:8px;max-width:185px}.unread{font-size:10px;min-width:17px;height:17px;background:var(--green);color:white;border-radius:20px;display:inline-flex;align-items:center;justify-content:center;margin-left:5px}.side-foot{padding:18px 20px;border-top:1px solid var(--line);display:flex;gap:9px;align-items:center;color:#8e9b83;font-size:10px;letter-spacing:.5px}.side-foot svg{width:14px;height:14px}.workspace{display:flex;flex-direction:column;min-width:0;min-height:0;background:#f7f8f4;position:relative}.chat-head{height:96px;border-bottom:1px solid var(--line);padding:0 34px;display:flex;align-items:center;gap:13px;background:#fcfdf9;flex-shrink:0}.head-name{font-weight:600;font-size:16px;margin-bottom:7px}.head-sub{font-size:10px;color:#99a28e;display:flex;gap:7px;align-items:center}.online-dot{width:5px;height:5px;border-radius:50%;background:#73a96a;display:inline-block}.head-actions{display:flex;align-items:center;margin-left:auto;gap:16px}.privacy-banner{align-self:center;margin:23px 20px 9px;font-size:10px;color:#8b9880;display:flex;align-items:center;justify-content:center;gap:6px}.privacy-banner svg{width:12px;height:12px}.messages{flex:1;overflow:auto;padding:16px 36px 24px;overscroll-behavior:contain;scroll-behavior:smooth}.time-divider{text-align:center;color:#a4ad9b;font-size:10px;letter-spacing:1px;margin:18px 0 26px}.message{display:flex;gap:11px;margin:21px 0;align-items:flex-start}.message.self{flex-direction:row-reverse}.message .avatar{width:34px;height:34px;font-size:12px;border-radius:10px}.msg-main{max-width:70%;min-width:0}.msg-meta{display:flex;gap:10px;align-items:center;font-size:10px;color:#a3ab9b;margin:0 0 8px}.self .msg-meta{justify-content:flex-end}.bubble{padding:13px 17px;border:1px solid #e6eae1;border-radius:3px 12px 12px;background:white;white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.85;font-size:13px;box-shadow:0 2px 3px #2f402502}.self .bubble{background:#dfeccf;border-color:#d7e6c4;border-radius:12px 3px 12px 12px}.msg-expiry{font-size:9px;color:#a0ac94;margin-top:7px;display:flex;gap:4px;align-items:center}.self .msg-expiry{justify-content:flex-end}.msg-expiry svg{width:10px;height:10px}.bubble.image-bubble{padding:5px;max-width:320px;line-height:0}.image-bubble img{display:block;max-width:100%;max-height:280px;border-radius:7px;cursor:zoom-in}.file-card{display:flex;align-items:center;gap:12px;min-width:190px;max-width:270px;text-decoration:none;color:var(--ink)}.file-card svg{width:32px;height:32px;color:#759563}.file-card strong{display:block;font-weight:500;font-size:12px;max-width:185px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-card small{font-size:10px;color:#88977c;display:block;margin-top:6px}.composer{border-top:1px solid #e4e9de;background:#fcfdf9;padding:15px 30px 17px;flex-shrink:0}.composer-tools{display:flex;align-items:center;gap:9px}.composer-tools .icon-btn{width:30px;height:30px}.composer-tools .muted{margin-left:auto;font-size:9px;letter-spacing:1px}.composer textarea{width:100%;resize:none;height:74px;border:0;background:transparent;box-shadow:none;padding:10px 4px;font-size:13px;line-height:1.8}.compose-bottom{display:flex;align-items:center;justify-content:space-between}.compose-hint{font-size:9px;color:#a6ae9c}.send-btn{display:flex;align-items:center;gap:18px;border-radius:7px;padding:10px 18px;font-size:12px}.send-btn svg{width:15px;height:15px}.empty-workspace{margin:auto;text-align:center;max-width:430px;padding:30px}.empty-art{width:95px;height:95px;margin:0 auto 28px;border:1px solid #dce4d2;border-radius:30px;display:flex;align-items:center;justify-content:center;background:#eaf0e1;color:#87a176;transform:rotate(-6deg)}.empty-art svg{width:43px;height:43px}.empty-workspace h2{font-size:24px;font-weight:500;letter-spacing:1px}.empty-workspace p{font-size:12px;color:#8a9782;line-height:2}.empty-workspace .pill{margin-top:18px}.list-empty{padding:50px 20px;text-align:center;color:#9ca690;line-height:1.9;font-size:12px}.page-content{padding:30px 38px;overflow:auto;flex:1}.page-title{font-size:24px;font-weight:550;margin:5px 0 10px}.section-row{display:flex;gap:14px;align-items:center;margin:20px 0}.section-row h3{font-size:14px;margin:0}.request-card,.contact-card,.user-card{padding:18px;background:white;border:1px solid var(--line);border-radius:12px;display:flex;align-items:center;gap:14px;margin-bottom:10px}.contact-card .primary{margin-left:auto}.request-card .request-actions{margin-left:auto;display:flex;gap:6px}.contact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}.contact-card{margin:0}.user-card .account-detail{flex:1}.user-card .secondary{font-size:11px}.stat-line{display:flex;gap:20px;flex-wrap:wrap;margin:20px 0;color:#7d8e73;font-size:12px}.health-box{border:1px solid #dce5d4;background:#f0f5e9;border-radius:10px;padding:15px;line-height:1.9;color:#69805d;font-size:12px}.health-box.warn{background:#faf4e7;color:#967647;border-color:#ede1c5}.modal-overlay{position:fixed;inset:0;background:#1c302657;backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:24px;z-index:50}.modal{width:100%;max-width:440px;max-height:88vh;overflow:auto;background:#fcfdf9;border-radius:19px;padding:28px;box-shadow:0 30px 90px #0c261b22}.modal.wide{max-width:620px}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.modal-head h2{font-size:20px;font-weight:550;margin:0}.form input{width:100%}.form .primary{width:100%;margin-top:12px}.form-error{color:#ae4d43;font-size:12px;line-height:1.7;min-height:18px}.form-note{font-size:11px;color:#95a087;line-height:1.8}.check-row{display:flex;gap:12px;align-items:center;padding:12px 4px;border-bottom:1px solid var(--line);font-size:13px}.check-row input{width:18px;height:18px;accent-color:var(--green);margin-left:auto}.member-row{display:flex;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}.member-row .secondary{margin-left:auto;font-size:11px}.mobile-back{display:none}.emoji-panel{display:flex;flex-wrap:wrap;gap:5px;padding:12px;border:1px solid var(--line);border-radius:9px;margin-bottom:10px;max-width:300px;background:white}.emoji-panel button{font-size:22px;padding:5px}.hidden{display:none!important}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(20px);background:#243d30;color:white;border-radius:10px;max-width:90%;padding:12px 22px;font-size:12px;opacity:0;pointer-events:none;transition:.2s;z-index:100;line-height:1.8}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.image-view{display:block;max-width:100%;max-height:65vh;margin:15px auto;border-radius:10px}.load-more{display:block;margin:0 auto;font-size:11px;color:#7d9272;border:1px solid #dfe6d6;border-radius:20px;padding:7px 14px}.connection{font-size:10px;color:#8e9c83;margin-right:4px}.badge-dot{width:6px;height:6px;border-radius:50%;background:#d09565;position:absolute;right:8px;top:8px}
@media(min-width:1500px){.shell{grid-template-columns:82px 350px 1fr}.messages{padding-left:60px;padding-right:60px}}@media(max-width:1000px){.shell{grid-template-columns:66px 280px 1fr}.head-actions .pill{display:none}.chat-head{padding:0 24px}.messages{padding:14px 22px}.msg-main{max-width:80%}.login-story{padding:40px 9%}.side-head{padding-left:20px;padding-right:20px}}
@media(max-width:700px){body{background:#fbfcf9}.login-wrap{display:block;min-height:100dvh}.login-story{padding:28px 24px 20px;background:transparent}.login-story .logo{font-size:23px}.story-copy{margin:30px 0 0}.story-copy h1{font-size:30px;margin:14px 0 5px;line-height:1.4}.story-copy h1 br{display:none}.story-copy p{font-size:12px;margin:10px 0}.story-visual,.login-story>.muted,.eyebrow{display:none}.login-side{padding:15px 24px 70px;align-items:flex-start}.login-box{max-width:420px}.login-box h2{font-size:22px;margin-bottom:5px}.login-box>p{margin-bottom:24px;font-size:12px}.login-footer{bottom:22px}.shell{display:grid;grid-template-columns:1fr;grid-template-rows:1fr 66px;height:100dvh;padding-top:env(safe-area-inset-top)}.rail{grid-row:2;border-top:1px solid var(--line);border-right:0;flex-direction:row;justify-content:space-around;padding:5px 15px calc(5px + env(safe-area-inset-bottom));gap:0;z-index:5}.rail .brand,.rail-bottom .logout-nav{display:none}.rail-bottom{margin:0;display:block}.nav-btn{height:43px;width:53px}.sidebar{grid-row:1;border:0;min-height:0}.side-head{padding:25px 24px 12px}.side-title{margin-bottom:20px}.side-title h1{font-size:26px}.conversation{padding:17px 12px;gap:14px}.conversation .avatar{width:49px;height:49px;border-radius:14px}.conv-name{font-size:15px}.conv-preview{font-size:12px;max-width:70vw;margin-top:9px}.conv-time{font-size:11px}.side-foot{display:none}.workspace{display:none;grid-row:1;grid-column:1}.shell.show-chat{grid-template-rows:1fr}.shell.show-chat .workspace{display:flex}.shell.show-chat .sidebar,.shell.show-chat .rail{display:none}.chat-head{height:73px;padding:0 13px;gap:10px}.head-name{font-size:15px}.head-sub{font-size:10px}.head-actions{gap:2px}.head-actions .connection{display:none}.mobile-back{display:inline-flex}.chat-head>.avatar{display:none}.privacy-banner{font-size:9px;margin:14px 10px 5px;line-height:1.7;text-align:center}.messages{padding:8px 14px 18px}.message{gap:8px;margin:20px 0}.message .avatar{width:31px;height:31px}.msg-main{max-width:78%}.bubble{font-size:14px;padding:11px 14px}.msg-meta{font-size:10px;gap:9px}.msg-expiry{font-size:9px}.composer{padding:8px 14px calc(10px + env(safe-area-inset-bottom))}.composer textarea{height:55px;font-size:16px;padding:7px 3px;line-height:1.5}.composer-tools{gap:8px}.composer-tools .muted{font-size:9px}.compose-hint{font-size:9px}.send-btn{padding:9px 17px}.page-content{padding:20px 18px}.user-card{flex-wrap:wrap;padding:13px;gap:10px}.user-card .account-detail{min-width:65%}.modal-overlay{padding:16px}.modal{padding:23px;max-height:85dvh}.form input,.login-box input{font-size:16px}.contact-grid{grid-template-columns:1fr}.request-card{flex-wrap:wrap}.request-actions{width:100%;justify-content:flex-end}.image-bubble img{max-height:240px}.login-box label{font-size:12px}.stat-line{gap:10px}.empty-workspace{padding:28px}.head-actions .icon-btn{width:32px}.image-view{max-height:60dvh}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}