*{box-sizing:border-box;margin:0;padding:0}:root{--font-scale:1;--brand:#E97845;--brand-deep:#D96536;--brand-soft:#FFF0E8;--canvas:#F7F4EE;--surface:#FFF;--ink:#273142;--muted:#687182;--line:#E8E4DD;--safe:#5F806E;--danger:#B94742;--shadow:0 4px 16px rgba(39,49,66,.06);--text-sm:calc(14px * var(--font-scale));--text-md:calc(18px * var(--font-scale));--text-lg:calc(21px * var(--font-scale));--text-xl:calc(30px * var(--font-scale))}html{background:var(--canvas);font-size:18px}body{min-height:100vh;min-height:100dvh;color:var(--ink);background:var(--canvas);font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}button,input{font:inherit}button{cursor:pointer;touch-action:manipulation}button:focus-visible,input:focus-visible{outline:3px solid rgba(233,120,69,.3);outline-offset:2px}.icon,.modal-symbol{width:22px;height:22px;flex:0 0 auto;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.hidden{display:none!important}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.top-bar{height:76px;padding:10px max(20px,env(safe-area-inset-right)) 10px max(20px,env(safe-area-inset-left));display:grid;grid-template-columns:minmax(145px,auto) minmax(120px,1fr) auto;align-items:center;gap:18px;background:rgba(247,244,238,.94);border-bottom:1px solid rgba(232,228,221,.8);position:sticky;top:0;z-index:100;backdrop-filter:blur(18px)}.brand{display:flex;align-items:center;gap:11px;min-width:0}.brand-avatar{width:52px;height:52px;border-radius:16px;object-fit:cover;box-shadow:0 3px 12px rgba(39,49,66,.1)}.brand-name{font-size:var(--text-lg);font-weight:750;line-height:1.1}.brand-status{margin-top:4px;color:var(--muted);font-size:var(--text-sm);line-height:1.1;white-space:nowrap}.online-dot{display:inline-block;width:7px;height:7px;margin-right:5px;border-radius:50%;background:var(--safe)}.location-bar{justify-self:center;max-width:350px;min-width:0;min-height:48px;padding:8px 13px;border:0;border-radius:16px;display:flex;align-items:center;gap:7px;color:var(--muted);background:transparent}.location-bar:hover,.location-bar:active{background:rgba(255,255,255,.7)}.location-mark{width:18px;height:18px;color:var(--brand)}.location-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:var(--text-sm);font-weight:600}.location-set-btn{color:var(--brand-deep);font-size:13px}.location-bar.unknown{color:var(--danger)}.font-control{min-width:100px;min-height:48px;padding:8px 12px;border:0;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;gap:7px;color:var(--ink);background:var(--surface);box-shadow:var(--shadow);font-size:var(--text-sm);font-weight:700}.aa-mark{color:var(--brand);font-size:19px;font-weight:800;letter-spacing:-.06em}
.chat-body{height:100vh;height:100dvh;overflow:hidden}.chat-page{width:min(100%,900px);height:calc(100dvh - 76px);margin:auto;display:flex;flex-direction:column}.messages-area{flex:1;min-height:0;padding:22px 26px 28px;overflow-y:auto;overscroll-behavior:contain;display:flex;flex-direction:column;gap:18px;scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:transparent transparent}.messages-area::-webkit-scrollbar{width:6px}.messages-area::-webkit-scrollbar-track,.messages-area::-webkit-scrollbar-thumb{background:transparent}.messages-area.is-scrolling{scrollbar-color:rgba(39,49,66,.28) transparent}.messages-area.is-scrolling::-webkit-scrollbar-thumb{border-radius:6px;background:rgba(39,49,66,.28)}.conversation-intro{display:flex;align-items:center;justify-content:center;gap:12px;color:var(--muted);font-size:var(--text-sm)}.conversation-intro span{width:42px;height:1px;background:var(--line)}.msg-row{width:fit-content;max-width:78%;display:flex;align-items:flex-start;gap:10px;animation:message-in .2s ease-out}.msg-row.user{align-self:flex-end}.msg-row.assistant,.msg-row.emergency{align-self:flex-start}.msg-avatar{width:42px;height:42px;border-radius:14px;flex:0 0 auto;display:grid;place-items:center;overflow:hidden;color:#fff;background:var(--brand);font-size:var(--text-sm);font-weight:750}.msg-avatar img{width:100%;height:100%;object-fit:cover}.msg-row.user .msg-avatar{display:none}.msg-content{min-width:0}.msg-sender{margin:0 3px 5px;color:var(--muted);font-size:var(--text-sm);font-weight:650}.msg-bubble{padding:14px 17px;border:1px solid var(--line);border-radius:4px 20px 20px 20px;color:var(--ink);background:var(--surface);box-shadow:var(--shadow);font-size:var(--text-md);line-height:1.62;white-space:pre-wrap;word-break:break-word}.msg-row.user .msg-bubble{border:0;border-radius:20px 4px 20px 20px;color:#fff;background:var(--brand);box-shadow:0 4px 16px rgba(217,101,54,.15)}.msg-row.emergency .msg-bubble{color:#fff;border-color:var(--danger);background:var(--danger)}.msg-row.emergency .msg-avatar{background:var(--danger)}.msg-emotion-tag{display:inline-block;margin-top:8px;padding:3px 9px;border-radius:12px;color:var(--safe);background:#EDF4F0;font-size:var(--text-sm);font-weight:700}.msg-emotion-tag.medium,.msg-emotion-tag.heavy{color:#fff;background:var(--danger)}.suggestion-chips{margin-left:52px;display:flex;flex-wrap:wrap;gap:8px}.suggestion-chips button{min-height:44px;padding:8px 14px;border:1px solid #F0D8CB;border-radius:20px;color:var(--brand-deep);background:rgba(255,255,255,.7);font-size:var(--text-sm);font-weight:650}@keyframes message-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.composer{margin:0 14px max(12px,env(safe-area-inset-bottom));padding:12px;border:1px solid rgba(232,228,221,.9);border-radius:20px;background:rgba(255,255,255,.96);box-shadow:0 -6px 24px rgba(39,49,66,.06);backdrop-filter:blur(18px)}.text-compose-row{display:grid;grid-template-columns:48px minmax(0,1fr) 50px;gap:8px}.more-button,.btn-send{min-width:48px;height:52px;border:0;border-radius:16px;display:grid;place-items:center}.more-button{color:var(--muted);background:var(--canvas)}.more-button[aria-expanded=false] .icon{transform:rotate(45deg)}.btn-send{color:#fff;background:var(--brand)}.btn-send:active{background:var(--brand-deep);transform:scale(.97)}.text-compose-row input{min-width:0;height:52px;padding:10px 14px;border:1px solid var(--line);border-radius:16px;color:var(--ink);background:#FBFAF7;font-size:var(--text-md)}.text-compose-row input::placeholder{color:#858C98}.text-compose-row input:focus{border-color:var(--brand);background:#fff;outline:0;box-shadow:0 0 0 3px rgba(233,120,69,.1)}.quick-actions{margin-top:10px;display:grid;grid-template-columns:1fr 1.35fr 1fr;gap:8px;overflow:hidden;max-height:90px;opacity:1;transition:max-height .22s ease,opacity .18s ease,margin .22s ease}.quick-actions.collapsed{max-height:0;opacity:0;margin-top:0;pointer-events:none}.quick-btn{min-height:64px;padding:7px 8px;border:0;border-radius:16px;display:flex;align-items:center;justify-content:center;gap:7px;color:var(--ink);background:var(--canvas);font-size:var(--text-sm);font-weight:700}.action-icon{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:var(--brand);background:#fff}.action-icon .icon{width:20px;height:20px}.quick-btn-voice{color:#fff;background:var(--brand)}.quick-btn-voice:active,.quick-btn-voice.listening{background:var(--brand-deep)}.quick-btn.listening{grid-column:1/-1}.quick-btn.listening~.quick-btn,.quick-btn:first-child:has(~.quick-btn.listening){display:none}.voice-active-text{display:none}.quick-btn.listening .voice-idle-text{display:none}.quick-btn.listening .voice-active-text{display:inline}.composer-tip{margin-top:6px;color:var(--muted);text-align:center;font-size:12px}.voice-bar{margin-bottom:9px;min-height:48px;padding:6px 10px;border-radius:14px;display:none;align-items:center;justify-content:space-between;gap:10px;color:#fff;background:var(--ink);font-size:var(--text-sm)}.voice-bar.show{display:flex}.btn-stop-voice{min-height:38px;padding:5px 11px;border:0;border-radius:10px;color:var(--ink);background:#fff;font-weight:700}
.login-top-bar{grid-template-columns:1fr auto}.login-page,.setup-page{min-height:calc(100dvh - 76px);display:grid;place-items:center;padding:36px 20px}.welcome-card{width:min(100%,820px);padding:28px;border:1px solid var(--line);border-radius:24px;display:grid;grid-template-columns:290px 1fr;grid-template-areas:"portrait copy" "portrait form" "portrait buttons" "portrait error";column-gap:42px;row-gap:15px;align-items:center;background:var(--surface);box-shadow:0 18px 60px rgba(39,49,66,.08)}.welcome-portrait{grid-area:portrait;align-self:stretch;border-radius:20px;overflow:hidden;background:var(--brand-soft)}.welcome-avatar{width:100%;height:100%;min-height:390px;object-fit:cover}.welcome-copy{grid-area:copy}.eyebrow{color:var(--brand-deep);font-size:var(--text-sm);font-weight:750}.login-title{margin-top:4px;font-size:var(--text-xl);line-height:1.25}.login-subtitle,.setup-intro{margin-top:8px;color:var(--muted);font-size:var(--text-md)}.welcome-card>.form-group{grid-area:form}.login-btns{grid-area:buttons;display:grid;grid-template-columns:1fr 1fr;gap:9px}.form-error{grid-area:error;min-height:1.5em;color:var(--danger);font-size:var(--text-sm);white-space:pre-line}.form-group{width:100%}.field-label{display:block;margin:12px 0 7px;color:var(--ink);font-size:var(--text-sm);font-weight:700}.login-input,.setup-input{width:100%;min-height:58px;padding:12px 15px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:#FBFAF7;font-size:var(--text-md)}.field-help,.privacy-note{margin-top:6px;color:var(--muted);font-size:var(--text-sm)}.setup-card{width:min(100%,600px);padding:34px;border:1px solid var(--line);border-radius:24px;background:var(--surface);box-shadow:var(--shadow)}.step-badge{display:inline-block;padding:5px 11px;border-radius:12px;color:var(--brand-deep);background:var(--brand-soft);font-size:var(--text-sm);font-weight:700}.setup-title{margin-top:13px;font-size:var(--text-xl)}.btn{min-height:54px;padding:11px 18px;border:0;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:var(--text-md);font-weight:700}.btn-lg{min-height:58px}.btn-primary{color:#fff;background:var(--brand)}.btn-outline{color:var(--ink);border:1px solid var(--line);background:#fff}.btn.listening{color:#fff;background:var(--danger)}.btn-full{width:100%;margin-top:24px}.privacy-note{text-align:center}
.modal-backdrop{position:fixed;inset:0;z-index:1000;padding:18px;display:grid;place-items:center;background:rgba(39,49,66,.44);backdrop-filter:blur(5px)}.modal-card{width:min(100%,540px);max-height:calc(100dvh - 36px);overflow-y:auto;padding:30px;border-radius:20px;background:var(--surface);box-shadow:0 28px 80px rgba(39,49,66,.2);position:relative}.modal-close{position:absolute;top:14px;right:14px;width:48px;height:48px;border:0;border-radius:14px;display:grid;place-items:center;color:var(--muted);background:var(--canvas)}.modal-symbol-wrap{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;color:var(--brand);background:var(--brand-soft)}.modal-symbol{width:25px;height:25px}.modal-card h2{margin-top:14px;padding-right:50px;font-size:var(--text-xl)}.modal-card>p{margin-top:5px;color:var(--muted);font-size:var(--text-md)}.modal-actions{margin-top:22px;display:grid;grid-template-columns:1fr 1fr;gap:9px}.emergency-overlay{display:none;position:fixed;inset:0;z-index:9999;padding:26px 18px;overflow-y:auto;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#fff;background:var(--danger)}.emergency-overlay.active{display:flex}.emergency-overlay .e-title{font-size:var(--text-xl);font-weight:750}.emergency-overlay .e-lead{margin-top:14px;font-size:var(--text-lg)}.emergency-overlay .e-contact{margin-top:12px;font-size:var(--text-xl);font-weight:750}.emergency-overlay .e-phone{margin:4px;font-size:calc(40px * var(--font-scale));font-weight:800}.emergency-overlay .e-hint{max-width:620px;font-size:var(--text-md)}.emergency-actions{margin-top:24px;display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.emergency-call,.btn-close-emergency{min-height:58px;padding:10px 20px;border:1px solid rgba(255,255,255,.6);border-radius:12px;color:var(--danger);background:#fff;font-size:var(--text-lg);font-weight:750;text-decoration:none}.btn-close-emergency{color:#fff;background:transparent}.taxi-go-btn{display:inline-flex;min-height:56px;padding:10px 20px;align-items:center;justify-content:center;gap:8px;border-radius:12px;color:#fff;background:var(--safe);font-size:var(--text-md);font-weight:700;text-decoration:none}
@media(max-width:700px){.top-bar{height:72px;padding:9px 12px;grid-template-columns:minmax(112px,1fr) minmax(90px,auto) auto;gap:5px}.brand{gap:8px}.brand-avatar{width:46px;height:46px;border-radius:14px}.brand-name{font-size:18px}.brand-status{font-size:12px}.location-bar{min-height:46px;padding:6px;gap:4px}.location-text{max-width:112px;font-size:12px}.location-set-btn{display:none!important}.font-control{min-width:76px;min-height:46px;padding:6px 8px;gap:4px;font-size:12px}.aa-mark{font-size:17px}.chat-page{height:calc(100dvh - 72px)}.messages-area{padding:16px 12px 20px;gap:15px}.conversation-intro{gap:8px;font-size:12px}.conversation-intro span{width:24px}.msg-row{max-width:92%;gap:8px}.msg-avatar{width:40px;height:40px;border-radius:13px}.msg-bubble{padding:12px 14px}.suggestion-chips{margin-left:48px;gap:6px}.suggestion-chips button{min-height:42px;padding:7px 11px;font-size:12px}.composer{margin:0 8px max(8px,env(safe-area-inset-bottom));padding:9px;border-radius:18px}.text-compose-row{grid-template-columns:46px minmax(0,1fr) 48px;gap:6px}.more-button,.btn-send{min-width:46px;height:50px}.text-compose-row input{height:50px;padding:9px 11px}.quick-actions{gap:6px}.quick-btn{min-height:62px;padding:6px 3px;flex-direction:column;gap:3px;line-height:1.15}.quick-btn-voice{flex-direction:row}.action-icon{width:30px;height:30px}.composer-tip{display:none}.login-page,.setup-page{min-height:calc(100dvh - 72px);padding:18px 12px}.welcome-card{padding:20px 16px;display:flex;flex-direction:column;gap:14px;border-radius:20px}.welcome-portrait{width:138px;height:138px;border-radius:50%;align-self:center}.welcome-avatar{min-height:0;width:100%;height:100%}.welcome-copy{text-align:center}.login-btns{width:100%;grid-template-columns:1fr}.form-error{width:100%;text-align:center}.setup-card,.modal-card{padding:25px 17px}.modal-actions{grid-template-columns:1fr}}
@media(max-width:370px){.brand-status{display:none}.location-text{max-width:80px}.font-control{min-width:68px}.suggestion-chips{margin-left:0}.quick-btn{font-size:12px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.01ms!important}}