:root{--p:#6d55cf;--ps:#f0ecff;--ink:#182036;--muted:#838b9d;--line:#e8eaf1;--bg:#f6f7fb}*{box-sizing:border-box}body{margin:0;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}button,input,textarea,select{font:inherit}.login{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at 20% 10%,#eee9ff,transparent 30%),#f7f8fc}.login-card{width:min(400px,calc(100% - 32px));background:#fff;border:1px solid var(--line);border-radius:18px;padding:36px;box-shadow:0 18px 60px #3d32661a;text-align:center}.logo{width:52px;height:52px;display:grid;place-items:center;margin:auto;border-radius:15px;background:linear-gradient(145deg,#8067e3,#5840b8);color:#fff;font-size:22px;font-weight:bold}.login h1{margin:18px 0 7px}.login p{font-size:13px;color:var(--muted);margin:0 0 25px}.login label{text-align:left;display:block;font-size:12px;font-weight:bold;margin:14px 0}.login input{width:100%;padding:12px;border:1px solid var(--line);border-radius:9px;margin-top:7px;outline:none}.login button,.primary{border:0;background:var(--p);color:#fff;border-radius:9px;padding:12px 18px;font-weight:bold;cursor:pointer}.login button{width:100%;margin-top:5px}.login small{display:block;color:#9aa1b0;font-size:10px;margin-top:20px}.error{color:#d94f62;font-size:11px;margin-top:10px}#app{min-height:100vh;display:grid;grid-template-columns:225px 1fr}aside{height:100vh;background:#fff;border-right:1px solid var(--line);padding:24px 17px;display:flex;flex-direction:column;position:sticky;top:0}.brand{display:flex;align-items:center;gap:10px;padding:0 8px 28px}.brand>b{width:34px;height:34px;border-radius:10px;background:var(--p);color:#fff;display:grid;place-items:center}.brand span{font-weight:bold}nav{display:grid;gap:7px}nav button{border:0;background:transparent;text-align:left;padding:12px;border-radius:9px;color:#6f778b;cursor:pointer}nav button.active{background:var(--ps);color:#5e46be;font-weight:bold}.safe{margin-top:auto;background:#f7f8fc;border:1px solid var(--line);border-radius:11px;padding:12px;font-size:11px;color:#31a675}.safe p{color:#8b93a4;line-height:1.5;margin:7px 0 0}.account{border-top:1px solid var(--line);margin-top:15px;padding-top:15px;display:flex;align-items:center;gap:9px}.account>span{width:32px;height:32px;background:#e7e0ff;color:#5d44bd;border-radius:50%;display:grid;place-items:center;font-weight:bold}.account b,.account small{display:block;font-size:11px}.account small{color:#999faf;margin-top:3px}.account a{margin-left:auto;font-size:10px;color:#8b92a3}.workspace header{height:90px;background:#fff;border-bottom:1px solid var(--line);padding:22px 28px;display:flex;align-items:center;justify-content:space-between}.workspace h1{font-size:21px;margin:0 0 5px}.workspace header p{margin:0;color:var(--muted);font-size:11px}.desk{padding:20px 28px;display:grid;grid-template-columns:330px minmax(0,1fr);gap:15px;height:calc(100vh - 90px)}.tickets,.chat{background:#fff;border:1px solid var(--line);border-radius:13px;overflow:hidden;box-shadow:0 3px 14px #26305b08}.ticket-title{height:58px;padding:12px 14px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.ticket-title input{width:140px;border:1px solid var(--line);border-radius:8px;padding:8px;font-size:10px;outline:0}.ticket{width:100%;border:0;border-bottom:1px solid #eff0f4;background:#fff;padding:14px;text-align:left;cursor:pointer}.ticket:hover,.ticket.active{background:#faf9ff;box-shadow:inset 3px 0 var(--p)}.ticket>div{display:flex;justify-content:space-between;color:#858da0;font-size:10px}.ticket h3{font-size:12px;margin:8px 0}.ticket p{font-size:10px;color:#9299a9;margin:0}.badge{background:#eeeaff;color:#654cc6;padding:3px 7px;border-radius:9px}.chat{position:relative}.empty{height:100%;display:grid;place-items:center;color:#a0a6b4;font-size:12px}.chat-head{height:78px;padding:15px 19px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}.chat-head span,.chat-head small{font-size:9px;color:#959cac}.chat-head h2{font-size:15px;margin:4px 0}.chat-head select{border:1px solid var(--line);border-radius:8px;padding:7px;font-size:10px}.privacy{background:#f2efff;color:#6551b8;font-size:10px;padding:8px 18px}.chatView{height:100%}#messages{height:calc(100vh - 338px);overflow:auto;padding:18px;display:flex;flex-direction:column;gap:14px}.message{max-width:72%;display:flex;gap:8px}.message.mine{align-self:flex-end;flex-direction:row-reverse}.bubble{background:#f1f2f6;border-radius:4px 12px 12px 12px;padding:10px 12px;font-size:11px;line-height:1.55}.mine .bubble{background:var(--p);color:#fff;border-radius:12px 4px 12px 12px}.sender{font-size:9px;color:#8e95a6;margin-bottom:4px}.mine .sender{text-align:right}.message time{display:block;font-size:8px;color:#9ba1af;margin-top:5px}.mine time{color:#dcd5ff}.attachment{display:block;margin-top:7px;color:inherit}.attachment img,.attachment video{max-width:260px;max-height:190px;border-radius:7px;display:block}#sendForm{border-top:1px solid var(--line);padding:12px 16px}#sendForm textarea{width:100%;height:55px;resize:none;border:0;outline:0;font-size:11px}#sendForm>div{display:flex;align-items:center;gap:10px}.attach{font-size:10px;color:#666f83;cursor:pointer}.attach input{display:none}#fileName{font-size:9px;color:#8b92a2}.sendForm button{margin-left:auto}.modal{position:fixed;inset:0;background:#17203966;display:grid;place-items:center;z-index:10}.modal[hidden]{display:none}.modal form{width:min(430px,calc(100% - 30px));background:#fff;border-radius:14px;padding:24px;position:relative}.modal h2{margin-top:0;font-size:18px}.modal label{display:block;font-size:11px;font-weight:bold;margin:13px 0}.modal input,.modal select{width:100%;margin-top:6px;border:1px solid var(--line);border-radius:8px;padding:10px}.close{position:absolute;right:16px;top:12px;border:0;background:none;font-size:22px;color:#8d94a4}.modal .primary{width:100%;margin-top:10px}#toast{position:fixed;right:25px;bottom:25px;background:#172039;color:#fff;padding:11px 16px;border-radius:9px;font-size:11px;opacity:0;pointer-events:none;transition:.2s}#toast.show{opacity:1}@media(max-width:800px){#app{display:block}aside{height:auto;position:static;padding:12px}.brand{padding:0}.safe,nav,.account div{display:none}.account{position:absolute;right:12px;top:8px;border:0;margin:0;padding:0}.desk{padding:10px;grid-template-columns:1fr;height:auto}.tickets{max-height:260px}.chat{min-height:600px}.workspace header{padding:15px;height:75px}#messages{height:390px}}