@charset "UTF-8";
:root{color-scheme:light;--ink:#163249;--muted:#728695;--blue:#057bea;--line:#e1eaf0;--surface:#fff;--bg:#f3f8fb;--teal:#00a6b4;font-family:Inter,"Microsoft YaHei","PingFang SC",system-ui,sans-serif;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);min-height:100dvh;display:flex;flex-direction:column}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.65}[hidden]{display:none!important}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #8cc9ff;outline-offset:4px}.topbar{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px clamp(24px,6vw,90px);border-bottom:1px solid var(--line);background:#ffffffb8}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:700;white-space:nowrap}.brand-mark{display:grid;place-items:center;background:var(--blue);color:white;border-radius:12px 12px 12px 3px;width:39px;height:39px;font-size:24px;font-weight:800}.brand-caption{font-size:10px;color:var(--muted);font-weight:500;letter-spacing:1.5px;padding-left:13px;border-left:1px solid var(--line)}.text-link{font-size:13px;color:#446076}.text-link span{margin-left:8px}.home-layout{width:min(1136px,100%);margin:auto;display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:80px;padding:76px 32px 90px}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--teal);font-weight:600;margin:0 0 19px}h1{font-size:clamp(30px,3.4vw,46px);font-weight:650;line-height:1.35;letter-spacing:-1.5px;margin:0 0 22px}h2{font-size:23px;margin:0 0 12px;font-weight:650}h3{font-size:16px;margin:0 0 10px}.lead{font-size:17px;line-height:2;color:#687e8d;margin:0 0 36px}.connection{display:flex;align-items:center;gap:9px;font-size:13px;color:#53736f}.status-dot{width:7px;height:7px;border-radius:50%;background:#21a689;box-shadow:0 0 0 4px #21a68912;flex-shrink:0}.status-dot.checking{background:#e4a344}.status-dot.offline{background:#d6695b;box-shadow:0 0 0 4px #d6695b12}.muted{color:var(--muted);line-height:1.8}.small{font-size:11px;margin-top:14px}.welcome-card,.login-card{background:white;padding:36px;border:1px solid #e5edf1;border-radius:22px;box-shadow:0 20px 60px #14355206}.card-heading{display:flex;align-items:center;gap:14px;margin-bottom:30px}.card-heading .eyebrow{font-size:10px;margin-bottom:6px}.card-heading h2{font-size:19px;margin:0}.service-icon{display:grid;place-items:center;width:50px;height:50px;font-size:40px;color:var(--blue);background:#edf7ff;border-radius:16px}.pill{font-size:11px;border:1px solid #dae7ed;color:#78909f;border-radius:30px;padding:5px 10px;display:inline-block;white-space:nowrap}.card-heading>.pill{margin-left:auto}.notice{background:#f5f9fc;border:1px solid #e8f0f5;padding:25px;border-radius:14px}.notice-label{color:#b5832d;font-size:11px;display:block;letter-spacing:1px;margin-bottom:14px}.notice p,.availability p{font-size:13px;line-height:1.9;color:#7c8f9c;margin:0}.notice h3{font-size:16px}.availability{display:flex;gap:12px;margin:27px 0;align-items:flex-start}.availability h3{font-size:14px;margin-bottom:7px}.line-icon{border:1px solid #a9c8dc;color:#7e9eb2;border-radius:50%;height:17px;width:17px;text-align:center;font-size:11px;flex-shrink:0;margin-top:2px}.button{min-height:48px;border-radius:10px;padding:12px 18px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:14px;font-size:14px;font-weight:550;transition:background .15s}.primary{background:var(--blue);color:white}.primary:hover{background:#056bc9}.secondary{background:white;border-color:var(--line);color:#526c7d}.secondary:hover{background:#e9f3fa}.full{width:100%}.full span{margin-left:auto}.card-footnote{font-size:10px;color:#93a3af;text-align:center;line-height:1.8;margin:17px 0 0}.site-footer{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:24px clamp(24px,6vw,90px);font-size:11px;color:#91a2ad;margin-top:auto}.admin-shell{width:min(1136px,100%);margin:0 auto;padding:60px 32px 80px;flex:1}.initial-state{padding:70px 0;color:var(--muted);text-align:center}.login-layout{display:grid;grid-template-columns:1fr 420px;gap:100px;align-items:center;padding:20px 20px}.login-intro h1{font-size:46px}.login-card>.pill{margin-bottom:20px}.login-card>.muted{font-size:12px;margin-bottom:26px}.login-card label{font-size:12px;display:block;margin:20px 0 9px;font-weight:600}.login-card input{width:100%;min-height:48px;border:1px solid #dce6ee;border-radius:9px;background:#fafcfe;padding:12px;color:var(--ink);font-size:14px}.login-card input::placeholder{color:#a8b7c2}.form-message{font-size:12px;color:#bd564f;min-height:20px;line-height:1.7;overflow-wrap:anywhere}.decorative-lines{display:flex;gap:10px;margin:55px 0 22px}.decorative-lines span{height:5px;width:44px;background:#c7e5fa;border-radius:5px}.decorative-lines span:first-child{background:var(--blue);width:82px}.decorative-lines span:last-child{background:#dfecf4;width:22px}.login-intro>.muted{font-size:11px}.dashboard-header{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:38px}.dashboard-header h1{font-size:34px;margin-bottom:12px}.dashboard-header .muted{font-size:13px;margin:0}.dashboard-header .eyebrow{margin-bottom:16px}.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:28px}.stat-card{background:white;border:1px solid var(--line);border-radius:15px;padding:28px}.stat-card>span{font-size:13px;color:#607d8e}.stat-card strong{display:block;font-size:44px;font-weight:500;margin:14px 0;color:var(--ink)}.stat-card small{font-size:11px;color:#9aabb6}.dashboard-panel{border:1px solid var(--line);border-radius:16px;padding:30px;background:#fff;display:flex;justify-content:space-between;gap:30px;align-items:center}.dashboard-panel h2{font-size:20px;margin-top:18px}.dashboard-panel .muted{font-size:12px;max-width:450px;margin-bottom:0}.dashboard-panel .connection{white-space:nowrap}
@media(max-width:800px){.brand-caption{display:none}.home-layout{gap:35px;padding:50px 24px;grid-template-columns:1fr;max-width:540px}.intro .lead{font-size:14px;margin-bottom:24px}.intro h1{font-size:34px}.topbar{min-height:80px;padding:20px 24px}.brand{font-size:17px}.brand-mark{width:34px;height:34px;font-size:21px}.welcome-card,.login-card{padding:26px}.site-footer{padding:22px 24px;font-size:10px}.login-layout{display:flex;flex-direction:column;gap:30px;padding:0;align-items:stretch;max-width:440px;margin:0 auto}.login-intro h1{font-size:34px;margin-bottom:10px}.login-intro .lead{font-size:14px;margin:0}.login-intro .lead br{display:none}.decorative-lines,.login-intro>.muted{display:none}.admin-shell{padding:35px 24px 50px}.stat-grid{gap:10px}.stat-card{padding:20px 15px}.stat-card strong{font-size:30px}.stat-card small{font-size:10px}.dashboard-header{align-items:flex-start}.dashboard-header h1{font-size:25px;overflow-wrap:anywhere}.dashboard-header .button{min-height:40px;font-size:12px;flex-shrink:0}.dashboard-panel{align-items:flex-start;flex-direction:column;padding:25px;gap:25px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}
.queue-shell{width:min(540px,100%);margin:0 auto;padding:38px 20px 50px;flex:1}.queue-card{text-align:center;padding:32px 26px}.queue-card h1{font-size:26px;letter-spacing:-.6px;margin-bottom:14px}.queue-card>.muted{font-size:13px}.queue-orbit{width:86px;height:86px;margin:25px auto;background:#edf7ff;color:var(--blue);border:1px solid #dbedfc;box-shadow:0 0 0 10px #f6faff;border-radius:50%;display:grid;place-items:center;font-size:49px}.queue-card .eyebrow{font-size:10px;margin-top:28px}.queue-stats{display:grid;grid-template-columns:1fr 1fr;margin:25px 0;border-block:1px solid var(--line);padding:22px 0}.queue-stats>div+div{border-left:1px solid var(--line)}.queue-stats strong{font-size:30px;color:var(--blue);display:block;font-weight:550}.queue-stats span{display:block;font-size:11px;color:var(--muted);margin-top:8px}.queue-connection{justify-content:center;margin-top:24px}.queue-card .notice{text-align:left;margin-top:25px}.queue-card .button{margin-top:10px}.queue-admin{background:white;border:1px solid var(--line);border-radius:16px;padding:28px;margin-top:24px}.queue-admin-heading{display:flex;justify-content:space-between;gap:20px;align-items:center}.queue-admin-heading h2{font-size:21px;margin-bottom:6px}.queue-admin-heading p{font-size:12px;margin:0}.queue-admin h3{margin-top:28px;font-size:14px}.session-list{display:grid;gap:8px}.session-row{display:flex;justify-content:space-between;align-items:center;gap:16px;border:1px solid var(--line);border-radius:10px;padding:14px 17px}.session-row strong{font-size:14px}.session-row small{display:block;color:var(--muted);font-size:11px;margin-top:8px}.session-row .button{min-height:38px;padding:8px 14px;font-size:12px;flex-shrink:0}.empty-state{font-size:12px;color:var(--muted);background:#f7fafc;border-radius:9px;padding:18px;margin:0}.queue-admin .small{line-height:1.9}@media(max-width:500px){.queue-admin{padding:20px}.queue-admin-heading{align-items:flex-start}.queue-admin-heading .button{font-size:11px;padding:10px;min-height:40px;white-space:nowrap}.queue-shell{padding-top:24px}.queue-card{padding:28px 20px}.queue-card h1{font-size:24px}.session-row{padding:12px}.session-row small{font-size:10px}}
.chat-body{display:block;overflow:hidden;background:#f1f8fc}.chat-layout{height:var(--chat-height,100dvh);max-width:860px;margin:auto;display:flex;flex-direction:column;background:#f1f8fc}.chat-header{padding:18px 20px;background:white;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:12px;font-size:13px;flex-shrink:0}.chat-header a{font-weight:700;color:var(--blue)}#chat-status{font-size:11px;color:var(--muted)}#chat-error{font-size:12px;color:#a45139;background:#fff4dc;padding:0 15px}#chat-error:not(:empty){padding:10px 15px}#messages{overflow-y:auto;flex:1;min-height:0;padding:20px;overscroll-behavior:contain;scroll-behavior:auto}.message-row{display:flex;flex-direction:column;margin:20px 0;align-items:flex-start}.message-bubble{max-width:82%;white-space:pre-wrap;overflow-wrap:anywhere;padding:12px 17px;border-radius:17px 17px 17px 4px;background:white;font-size:15px;line-height:1.7;box-shadow:0 2px 6px #16324906}.visitor-message{align-items:flex-end}.visitor-message .message-bubble{color:white;background:#087cf0;border-radius:17px 17px 4px 17px}.message-row time{font-size:10px;color:#90a2b0;margin:8px 3px}.welcome-notice{background:white;border-radius:18px;padding:24px;text-align:center;margin-bottom:30px;white-space:pre-wrap;overflow-wrap:anywhere}.welcome-notice h2{font-size:18px;color:#1683ce}.welcome-notice p{font-size:13px;color:#648095;line-height:1.8}.welcome-notice strong{font-size:13px;color:#ba840d}#composer{padding:12px 15px calc(10px + env(safe-area-inset-bottom));display:grid;grid-template-columns:1fr auto;gap:8px;background:white;border-top:1px solid var(--line);flex-shrink:0}#message{resize:none;border:1px solid #dfebf3;border-radius:12px;background:#f7fbff;font:inherit;font-size:16px;padding:12px;max-height:130px;min-width:0}#send-status{grid-column:1/-1;margin:0;min-height:16px;font-size:11px;color:#708597}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.notice-editor{padding:20px;background:#f6fafc;border-radius:12px;margin-top:25px}.notice-editor label{display:block;font-size:12px;margin:12px 0}.notice-editor input,.notice-editor textarea{display:block;width:100%;padding:10px;font:inherit;margin-top:7px;border:1px solid var(--line);border-radius:8px}.notice-editor p{font-size:12px;color:var(--teal)}.session-row{flex-wrap:wrap}
#composer{grid-template-columns:auto 1fr auto}.attachment-button{width:40px;border:0;background:transparent;color:#087cf0;font-size:32px;align-self:center;cursor:pointer}.attachment-button:disabled{opacity:.4}.upload-panel{background:white;flex-shrink:0;padding:0 15px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}.upload-panel p{font-size:12px;color:#607d90;margin:0;overflow-wrap:anywhere;max-width:100%}.upload-panel p:not(:empty){padding:8px 0}.upload-panel .button{font-size:11px;padding:5px 10px;min-height:30px}.attachment-bubble{display:flex;flex-direction:column;gap:8px;max-width:min(85%,360px);min-width:170px}.attachment-name{font-size:13px;overflow-wrap:anywhere}.attachment-bubble small{font-size:11px;opacity:.8}.file-action{border:1px solid currentColor;border-radius:6px;background:transparent;color:inherit;padding:6px 10px;font:inherit;font-size:12px;cursor:pointer}.image-thumbnail{border:0;padding:0;border-radius:8px;overflow:hidden;background:#e6f1f7;min-height:90px;cursor:zoom-in}.image-thumbnail img{display:block;max-width:240px;width:100%;max-height:220px;object-fit:contain}.attachment-bubble video{max-width:100%;width:270px;border-radius:8px;background:#000}.attachment-error{font-size:11px;overflow-wrap:anywhere}.image-dialog{max-width:95vw;max-height:95dvh;border:0;border-radius:12px;padding:14px}.image-dialog::backdrop{background:#000b}.image-dialog img{display:block;max-width:85vw;max-height:78dvh;object-fit:contain;margin:12px auto}.image-dialog button{display:block;margin-left:auto}
.history-button{display:block;margin:0 auto 20px;border:1px solid #c9dfea;background:white;color:#53788f;padding:8px 16px;border-radius:18px;font:inherit;font-size:12px;cursor:pointer}