:root{--brand: #e8622c;--brand-deep: #c94f1f;--brand-soft: #fdeee4;--brand-softer: #fff8f2;--blue: #3d7eff;--blue-soft: #eaf1ff;--ink: #2b2723;--ink-2: #6b6560;--ink-3: #9b948d;--line: #efe7de;--bg: #f6f2ec;--card: #ffffff;--danger: #d9483f}*{box-sizing:border-box}*::-webkit-scrollbar{display:none}*{scrollbar-width:none}html,body{overflow:hidden;overscroll-behavior:none;touch-action:pan-y}html,body,#root{height:100%;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,HarmonyOS Sans SC,MiSans,Helvetica Neue,sans-serif;font-size:15px;line-height:1.5;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}button{font:inherit;border:none;border-radius:10px;cursor:pointer}.center-box{height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:24px;text-align:center;color:var(--ink-2);background:radial-gradient(500px 280px at 85% 8%,rgba(61,126,255,.08),transparent 70%),radial-gradient(560px 320px at 8% 95%,rgba(232,98,44,.1),transparent 70%),var(--bg)}.center-box .center-logo{width:72px;height:72px;border-radius:18px;box-shadow:0 8px 24px #78512d24}.center-box p{margin:0;max-width:280px}.center-box button{min-height:44px;padding:0 28px;background:linear-gradient(135deg,var(--brand),#ed6a2c);color:#fff;font-weight:600;letter-spacing:2px;box-shadow:0 6px 16px #e8622c4d}.chat-page{height:100dvh;display:flex;flex-direction:column;background:radial-gradient(rgba(120,81,45,.05) 1px,transparent 1px) 0 0 / 22px 22px,var(--bg)}.chat-header{flex:none;min-height:52px;display:flex;align-items:center;justify-content:center;gap:8px;position:relative;padding:0 76px;padding-top:env(safe-area-inset-top);background:#ffffffeb;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px dashed var(--line);font-size:16px;font-weight:600}.chat-header .header-logo{position:absolute;left:14px;top:50%;transform:translateY(-50%);margin-top:calc(env(safe-area-inset-top)/2);width:30px;height:30px;border-radius:8px;box-shadow:0 2px 8px #78512d24}.chat-header .header-title{display:flex;align-items:center;gap:6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-header .status-dot{width:8px;height:8px;border-radius:50%;background:var(--ink-3);flex-shrink:0}.chat-header .status-dot.queuing{background:var(--brand);animation:pulse 1.2s ease-in-out infinite}.chat-header .status-dot.active{background:#30a46c}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}.chat-header .link-btn{position:absolute;right:12px;top:50%;transform:translateY(-50%);margin-top:env(safe-area-inset-top);min-height:44px;padding:0 8px;background:none;color:var(--ink-3);font-size:14px}.chat-header .link-btn:disabled{opacity:.5}.banner{flex:none;padding:5px 16px;background:var(--blue-soft);color:var(--blue);font-size:12px;text-align:center}.banner.warn{background:#fff3e0;color:#c05e00}.msg-list{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:16px 12px}.msg-list .row{display:flex;align-items:flex-end;gap:8px;margin:8px 0;animation:bubble-in .28s cubic-bezier(.22,1,.36,1) both}@keyframes bubble-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.msg-list .row.mine{justify-content:flex-end}.msg-list .row.their{justify-content:flex-start}.msg-list .row.their .agent-avatar{width:28px;height:28px;border-radius:8px;flex-shrink:0;-webkit-user-select:none;user-select:none}.msg-list .bubble{max-width:72%;padding:9px 13px;border-radius:4px 14px 14px;background:var(--card);box-shadow:0 2px 8px #78512d12;word-break:break-word}.msg-list .row.their .bubble{flex:none}.msg-list .row.mine .bubble{border-radius:14px 4px 14px 14px;background:linear-gradient(135deg,var(--brand),#ed6a2c);color:#fff;box-shadow:0 4px 12px #e8622c3d}.msg-list .msg-status{flex:none;align-self:flex-end;width:18px;height:18px;margin-bottom:3px}.msg-list .msg-status.sending{border-radius:50%;border:2px solid var(--line);border-top-color:var(--ink-3);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.msg-list .msg-status.failed{display:grid;place-items:center;width:22px;height:22px;min-height:0;padding:0;border-radius:50%;background:var(--card);color:var(--danger);box-shadow:0 2px 8px #78512d1f}.msg-list .row.failed .bubble{opacity:.72}.msg-list .msg-text{white-space:pre-wrap}.msg-list .msg-img{display:block;max-width:180px;max-height:220px;border-radius:8px;cursor:zoom-in}.msg-list .msg-voice{display:flex;align-items:center;gap:8px;min-width:160px}.msg-list .msg-voice audio{flex:1;min-width:0;height:36px}.msg-list .msg-voice .voice-duration{color:var(--ink-2);font-size:13px;flex-shrink:0;font-variant-numeric:tabular-nums}.msg-list .row.mine .msg-voice .voice-duration{color:#ffffffd9}.msg-list .msg-order{position:relative;min-width:190px;display:flex;flex-direction:column;gap:4px;padding:2px 0}.msg-list .msg-order .order-title{font-weight:700}.msg-list .msg-order .order-id{color:var(--ink-2);font-size:12px;word-break:break-all}.msg-list .msg-order .order-amount{color:var(--brand);font-weight:700;font-size:17px;padding:7px 2px 0;margin-top:4px;border-top:1px dashed #e8d5c4}.msg-list .row.mine .msg-order .order-id{color:#fffc}.msg-list .row.mine .msg-order .order-amount{color:#fff;border-top-color:#ffffff73}.msg-list .msg-order .order-status{color:var(--ink-3);font-size:12px}.msg-list .row.mine .msg-order .order-status{color:#fffc}.msg-list .msg-unknown{color:var(--ink-3);font-size:13px}.msg-list .sys-msg{margin:12px 0;display:flex;align-items:center;justify-content:center;gap:10px;color:var(--ink-3);font-size:12px}.msg-list .sys-msg:before,.msg-list .sys-msg:after{content:"";width:28px;border-top:1px dashed var(--line)}.input-bar{flex:none;display:flex;align-items:flex-end;gap:8px;padding:8px 12px;padding-bottom:calc(10px + env(safe-area-inset-bottom));background:#fffffff0;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-top:1px dashed var(--line)}.input-bar input[type=file]{display:none}.input-bar textarea{flex:1;min-height:44px;max-height:110px;padding:10px 14px;border:1.5px solid var(--line);border-radius:14px;background:var(--bg);font:inherit;line-height:1.4;resize:none;outline:none;transition:border-color .15s ease,background .15s ease}.input-bar textarea:focus{border-color:var(--brand);background:var(--card)}.icon-btn,.primary-btn{min-height:44px;min-width:44px;flex:none;border-radius:12px;font-size:16px}.icon-btn{display:grid;place-items:center;background:var(--card);border:1.5px solid var(--line);color:var(--ink-2);font-size:20px;transition:border-color .15s ease}.icon-btn:active{border-color:var(--brand)}.primary-btn{padding:0 16px;background:linear-gradient(135deg,var(--brand),#ed6a2c);color:#fff;font-size:14px;font-weight:600;letter-spacing:2px;box-shadow:0 4px 12px #e8622c47}.primary-btn:active{transform:scale(.97)}.icon-btn:disabled,.primary-btn:disabled{opacity:.5;transform:none}.closed-bar{flex:none;display:flex;align-items:center;justify-content:center;gap:16px;padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom));background:#fffffff0;border-top:1px dashed var(--line);color:var(--ink-3)}.preview-mask{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;background:#140e0ae0;cursor:zoom-out;animation:fade-in .2s ease both}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.preview-mask img{max-width:100vw;max-height:100dvh}.toast{position:fixed;left:50%;bottom:calc(96px + env(safe-area-inset-bottom));transform:translate(-50%);z-index:101;max-width:80vw;padding:9px 18px;border-radius:12px;background:#2b2723d9;color:#fff;font-size:13px;text-align:center;animation:fade-in .2s ease both}