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10px;font-size:12.5px;line-height:1.5}.concierge-card{background:#fdfaf2;border:1.5px solid #d4b475}.concierge-price-pill{color:#fffdf7;background:#1b4338;border-radius:999px;padding:5px 10px;font-size:12px;font-weight:720}.concierge-turnaround{color:#5b6d64;margin-bottom:8px;font-size:12px;font-weight:650}.concierge-highlights{color:#263b33;flex-direction:column;gap:4px;margin:0 0 12px;padding-left:0;font-size:12.5px;list-style:none;display:flex}.concierge-script-box{background:#f4efe2;border:1px solid #dfd4bc;border-radius:10px;margin-bottom:12px;padding:10px 12px}.script-label{color:#6b5b3e;margin-bottom:4px;font-size:10.5px;font-weight:700;display:block}.script-zh{color:#1c2e28;margin:0;font-size:13px;font-weight:650;line-height:1.5}.v4-card-actions{flex-wrap:wrap;align-items:center;gap:8px;margin-top:8px;display:flex}.btn-v4,.v4-btn{cursor:pointer;border:1px solid #0000;border-radius:9px;justify-content:center;align-items:center;gap:5px;padding:7px 12px;font-size:12px;font-weight:680;text-decoration:none;transition:all .14s;display:inline-flex}.btn-v4-amap,.v4-btn-primary{color:#fffdf8;background:#1b4338;border-color:#1b4338}.btn-v4-amap:hover,.v4-btn-primary:hover{background:#133128}.btn-v4-secondary,.v4-btn-secondary{color:#1d352e;background:#f2efe6;border-color:#d3ccb9}.btn-v4-secondary:hover,.v4-btn-secondary:hover{background:#e5e0d2}.btn-v4-taxi{color:#8a3b16;background:#fff5e6;border-color:#e6c396}.btn-v4-taxi:hover{background:#fce8cb}.btn-v4-concierge{color:#fffdf9;background:#9e3a24;border-color:#9e3a24}.btn-v4-ghost,.v4-btn-ghost{color:#3d564d;background:0 0;border-color:#d5cfc0}.message-places-grid{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:10px;display:grid}.v4-place-card{background:#fffdf9;border:1px solid #ded8c8;border-radius:14px;flex-direction:column;gap:8px;padding:14px;display:flex}.place-card-badges{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:4px;display:flex}.place-kind-pill{text-transform:uppercase;color:#494235;background:#eae5d7;border-radius:5px;padding:2px 7px;font-size:10px;font-weight:750}.place-distance-pill{color:#1b5941;background:#e5f2ea;border-radius:5px;padding:2px 7px;font-size:10.5px;font-weight:680}.v4-place-card h4{color:#182d26;margin:0;font-size:15px;font-weight:730}.place-zh{color:#1b4338;margin:2px 0 0;font-size:17px;font-weight:780}.place-amap-tip{color:#234236;background:#f3f7f0;border-left:3px solid #2b7a58;border-radius:6px;padding:7px 10px;font-size:11.5px}.suggested-actions-row{flex-wrap:wrap;gap:7px;margin-top:4px;display:flex}.assistant-thinking-bubble{color:#3f574e;background:#fffdf8;border:1px solid #dfd9c8;border-radius:999px;align-self:flex-start;align-items:center;gap:7px;padding:10px 14px;font-size:12.5px;display:inline-flex}.thinking-dot{background:#1c7c54;border-radius:50%;width:6px;height:6px;animation:1.2s ease-in-out infinite v4Pulse}@keyframes v4Pulse{0%,to{opacity:.3;transform:scale(.85)}50%{opacity:1;transform:scale(1.15)}}.composer-container-v4{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);padding:10px 14px max(10px, env(safe-area-inset-bottom));z-index:20;background:#fffdf8f5;border-top:1px solid #e1dbcd;flex-shrink:0}.composer-inner-v4{flex-direction:column;gap:8px;max-width:780px;margin:0 auto;display:flex}.sr-only-file-input{display:none}.sample-screenshot-tray{background:#faf7ef;border:1px solid #d8d1c0;border-radius:14px;padding:12px}.sample-tray-header{color:#263d35;justify-content:space-between;align-items:center;margin-bottom:10px;font-size:12px;display:flex}.sample-tray-close{cursor:pointer;color:#5c6d65;background:0 0;border:none;font-size:15px}.sample-tray-grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:8px;display:grid}.sample-preset-btn{text-align:left;cursor:pointer;background:#fffdf9;border:1px solid #dcd5c5;border-radius:10px;align-items:center;gap:9px;padding:8px;transition:all .14s;display:flex}.sample-preset-btn:hover:not(:disabled){background:#f1f7f3;border-color:#2b7a58}.sample-preset-thumb{object-fit:cover;border-radius:6px;flex-shrink:0;width:58px;height:44px}.sample-preset-meta{flex-direction:column;gap:2px;min-width:0;display:flex}.sample-preset-badge{color:#b4432c;font-size:9.5px;font-weight:750}.sample-preset-meta strong{color:#192d26;white-space:nowrap;text-overflow:ellipsis;font-size:11.5px;overflow:hidden}.sample-preset-meta span{color:#5a6c63;white-space:nowrap;text-overflow:ellipsis;font-size:10.5px;overflow:hidden}.pending-screenshot-bar{background:#edf5f0;border:1px solid #b7d6c3;border-radius:10px;align-items:center;gap:10px;padding:7px 11px;display:flex}.pending-screenshot-thumb{object-fit:cover;border-radius:6px;width:48px;height:36px}.pending-screenshot-info{flex-direction:column;flex:1;min-width:0;display:flex}.pending-screenshot-info strong{color:#18362b;font-size:12px}.pending-screenshot-info span{color:#46695a;font-size:11px}.pending-screenshot-remove{cursor:pointer;color:#496358;background:0 0;border:none;font-size:15px}.composer-bar-v4{background:#f5f2e9;border:1px solid #d5cfc0;border-radius:999px;align-items:center;gap:8px;padding:5px 8px;display:flex}.composer-icon-btn{cursor:pointer;background:#fffdf9;border:1px solid #d2cbb9;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:17px;display:inline-flex}.composer-sample-btn{color:#213d34;cursor:pointer;white-space:nowrap;background:#fffdf9;border:1px solid #d2cbb9;border-radius:999px;flex-shrink:0;padding:6px 10px;font-size:11.5px;font-weight:680}.composer-sample-btn.active{color:#fff;background:#1b4338;border-color:#1b4338}.composer-bar-v4 textarea{resize:none;color:#192d26;background:0 0;border:none;outline:none;flex:1;min-width:0;padding:6px 4px;font-size:14px;line-height:1.4}.composer-send-btn{color:#fffdf8;cursor:pointer;background:#1b4338;border:none;border-radius:999px;flex-shrink:0;padding:8px 15px;font-size:12.5px;font-weight:700}.composer-send-btn:disabled{opacity:.45;cursor:not-allowed}.v4-drawer-backdrop,.v4-modal-backdrop{-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);z-index:60;background:#12201b7a;justify-content:flex-end;display:flex;position:fixed;inset:0}.v4-modal-backdrop{justify-content:center;align-items:center;padding:16px}.trip-drawer-v4{background:#faf7ef;border-left:1px solid #ded8c8;flex-direction:column;width:min(460px,94vw);height:100dvh;display:flex;overflow:hidden;box-shadow:-10px 0 32px #12201b2e}.drawer-header-v4,.guides-modal-header{background:#fffdf8;border-bottom:1px solid #e3ded0;justify-content:space-between;align-items:flex-start;gap:12px;padding:18px 20px 14px;display:flex}.drawer-eyebrow{letter-spacing:1px;color:#b4432c;text-transform:uppercase;margin-bottom:3px;font-size:10px;font-weight:750;display:block}.drawer-header-v4 h2,.guides-modal-header h2{color:#182d26;margin:0;font-size:18px;font-weight:750}.drawer-close-btn{cursor:pointer;background:#f5f2e9;border:1px solid #d6d0c0;border-radius:50%;width:32px;height:32px;font-size:14px}.drawer-body-v4{flex-direction:column;flex:1;gap:22px;padding:16px 20px 28px;display:flex;overflow-y:auto}.drawer-section{flex-direction:column;gap:10px;display:flex}.drawer-section-head{justify-content:space-between;align-items:center;gap:8px;display:flex}.drawer-section-head h3{color:#192f28;margin:0;font-size:14px;font-weight:750}.drawer-text-btn{color:#1b5c43;cursor:pointer;background:0 0;border:none;font-size:12px;font-weight:700}.drawer-inline-form{background:#fffdf9;border:1px solid #dcd5c5;border-radius:12px;flex-direction:column;gap:8px;padding:12px;display:flex}.drawer-inline-form input,.drawer-inline-form select{background:#faf8f2;border:1px solid #d4cdbd;border-radius:8px;padding:8px 10px;font-size:13px}.form-row-2{grid-template-columns:1fr 1fr;gap:8px;display:grid}.preset-chips-row{flex-wrap:wrap;gap:5px;display:flex}.preset-mini-chip{color:#1a4b38;cursor:pointer;background:#edf4ef;border:1px solid #c3d8c9;border-radius:6px;padding:4px 8px;font-size:10.5px;font-weight:650}.drawer-legs-list,.drawer-wishlist-items{flex-direction:column;gap:10px;display:flex}.drawer-leg-card,.drawer-wish-card{background:#fffdf9;border:1px solid #dfd9c9;border-radius:12px;flex-direction:column;gap:5px;padding:12px;display:flex}.drawer-leg-top,.drawer-wish-top{justify-content:space-between;align-items:center;gap:6px;display:flex}.drawer-leg-num,.wish-source-pill{color:#1b4b38;background:#e6f0ea;border-radius:6px;padding:2px 8px;font-size:10.5px;font-weight:720}.drawer-leg-status{color:#5b6d64;font-size:11px}.drawer-leg-title{color:#182d26;font-size:14px;font-weight:720}.drawer-leg-zh{color:#1b4338;font-size:13.5px;font-weight:700}.drawer-leg-area,.drawer-wish-meta{color:#55685f;font-size:11.5px}.drawer-leg-actions,.drawer-wish-actions{flex-wrap:wrap;gap:6px;margin-top:4px;display:flex}.v4-cluster-cta-btn{color:#fffdf8;cursor:pointer;text-align:center;background:#1b4338;border:none;border-radius:10px;padding:10px 14px;font-size:12.5px;font-weight:700}.wishlist-clusters-box{background:#eff6f1;border:1px solid #c2dacb;border-radius:11px;flex-direction:column;gap:8px;padding:10px 12px;display:flex}.clusters-box-label{letter-spacing:.8px;color:#1c5941;font-size:10px;font-weight:750}.wishlist-cluster-item{background:#fffdf9;border:1px solid #d5e4da;border-radius:8px;padding:8px 10px}.cluster-item-head{flex-wrap:wrap;justify-content:space-between;gap:6px;font-size:12px;display:flex}.cluster-item-tip{color:#3f584e;margin:4px 0 0;font-size:11.5px}.wish-remove-btn{color:#8c6258;cursor:pointer;background:0 0;border:none;font-size:13px}.drawer-wish-verdict{color:#244a3b;background:#f2f7f3;border-radius:6px;padding:5px 8px;font-size:11.5px}.trip-switcher-pills{flex-wrap:wrap;gap:6px;display:flex}.trip-switch-pill{cursor:pointer;background:#fffdf9;border:1px solid #d4cdbd;border-radius:999px;padding:6px 11px;font-size:12px}.trip-switch-pill.active{color:#fff;background:#1b4338;border-color:#1b4338}.drawer-account-row{border-top:1px solid #e2ddd0;justify-content:space-between;align-items:center;padding-top:10px;font-size:12px;display:flex}.drawer-signout-btn{cursor:pointer;background:0 0;border:1px solid #d4cdbd;border-radius:7px;padding:5px 10px;font-size:11.5px}.guides-modal-v4{background:#faf7ef;border:1px solid #dcd5c5;border-radius:18px;flex-direction:column;width:min(760px,96vw);max-height:90dvh;display:flex;overflow:hidden;box-shadow:0 18px 48px #12201b3d}.guides-tabs-row{background:#f2efe5;border-bottom:1px solid #e1dbcd;gap:6px;padding:10px 20px;display:flex;overflow-x:auto}.guide-tab-btn{color:#263f36;cursor:pointer;white-space:nowrap;background:#fffdf9;border:1px solid #d4cdbd;border-radius:999px;padding:7px 14px;font-size:12.5px;font-weight:680}.guide-tab-btn.active{color:#fffdf8;background:#1b4338;border-color:#1b4338}.guides-modal-body{flex-direction:column;flex:1;gap:18px;padding:18px 20px 24px;display:flex;overflow-y:auto}.guide-pack-hero{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:12px;display:flex}.guide-pack-hero h3{margin:0 0 4px;font-size:18px;font-weight:750}.guide-pack-hero p{color:#4b5e56;margin:0;font-size:13px}.guide-highlights-grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin-bottom:14px;display:grid}.guide-highlight-card{background:#fffdf9;border:1px solid #dfd9c9;border-radius:12px;flex-direction:column;gap:7px;padding:13px;display:flex}.guide-highlight-title{flex-direction:column;gap:2px;display:flex}.guide-highlight-summary{color:#31463e;margin:0;font-size:12.5px;line-height:1.5}.guide-highlight-tip{color:#1c523c;background:#f1f7f3;border-radius:7px;padding:6px 9px;font-size:11.5px}.guide-dos-box{background:#fffdf9;border:1px solid #dfd9c9;border-radius:12px;padding:13px 16px}.guide-dos-box h4{margin:0 0 8px;font-size:13.5px}.guide-dos-box ul{margin:0;padding-left:18px;font-size:12.5px;line-height:1.55}.guide-ingestion-bar{background:#eef4ef;border:1px solid #c3d9cb;border-radius:12px;flex-direction:column;gap:10px;padding:12px 14px;display:flex}.ingestion-bar-top{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;font-size:12px;display:flex}.ingestion-bar-top span{color:#466357;font-size:11px;display:block}.ingestion-url-form{gap:8px;display:flex}.ingestion-url-form input{border:1px solid #c5d6cb;border-radius:8px;flex:1;padding:7px 10px;font-size:12.5px}.v4-dialog-box{background:#faf7ef;border:1px solid #dcd5c5;border-radius:16px;width:min(440px,92vw);overflow:hidden}.v4-dialog-body{padding:16px 20px 20px}.v4-toast{color:#fffdf8;z-index:90;background:#18362c;border-radius:999px;padding:10px 18px;font-size:12.5px;font-weight:680;position:fixed;bottom:78px;left:50%;transform:translate(-50%);box-shadow:0 8px 24px #12201b40}.route-option-trap{background:#fff9f7;border-color:#e6b8af}.badge-trap{color:#9e2a1c;background:#fbe6e2;border:1px solid #eab9b0}.route-trap-warning{color:#9e2a1c;background:#fdf0ed;border-left:3px solid #c94432;border-radius:6px;margin-bottom:8px;padding:7px 10px;font-size:12px;line-height:1.45}.concierge-term-bar{background:#f3f7f4;border:1px solid #cde0d3;border-radius:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;padding:8px 12px;font-size:12.5px;display:flex}.concierge-term-bar .term-label{color:#4b6358;font-weight:600}.concierge-term-bar .term-zh{color:#163d2e;font-size:13.5px}.concierge-term-bar .term-en{color:#5c7066;font-size:12px}.concierge-vetting-box{background:#fffcf5;border:1px solid #e6dec8;border-radius:10px;margin-bottom:10px;padding:9px 12px}.concierge-vetting-list{color:#354a41;margin:5px 0 0;padding:0;font-size:12px;line-height:1.5;list-style:none}.place-quick-feedback-strip{border-top:1px dashed #dcd6c6;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-top:10px;padding-top:9px;font-size:11.5px;display:flex}.quick-feedback-label{color:#5c6e64;font-weight:600}.quick-feedback-btns{flex-wrap:wrap;gap:6px;display:flex}.quick-feedback-btn{color:#2c4239;cursor:pointer;background:#f5f2e9;border:1px solid #d8d1c0;border-radius:999px;padding:3px 9px;font-size:11px;font-weight:600;transition:background .15s}.quick-feedback-btn:hover{background:#e7f0eb;border-color:#9ec0ae}.quick-feedback-ack{color:#1d6346;font-weight:650}.starter-prompts-collapsible-bar{margin-top:6px}.starter-prompts-toggle-btn{color:#1b4d38;cursor:pointer;background:#eef4f0;border:1px solid #c6d9ce;border-radius:999px;padding:5px 12px;font-size:12px;font-weight:650}.starter-prompts-toggle-btn:hover{background:#e2ede6}.drawer-export-row{margin:10px 0}.drawer-export-btn{justify-content:center;width:100%}

/* Chat-first layout: one conversation, a roomy composer, optional trip details. */
.v4-app-shell{color:#202124;background:#fff;font-family:Arial,"Noto Sans",system-ui,sans-serif}
.trip-header-v4{box-sizing:border-box;height:calc(56px + env(safe-area-inset-top));min-height:calc(56px + env(safe-area-inset-top));max-height:none;padding:calc(6px + env(safe-area-inset-top)) 16px 6px;background:#fff;border-bottom:1px solid #f0f1f3;gap:12px;backdrop-filter:none}
.trip-header-left{display:flex;align-items:center;gap:14px;min-width:0;flex:1}
.v4-brand-title{font-size:16px;font-weight:600;letter-spacing:-.35px;white-space:nowrap}
.active-hotel-pill{min-width:0;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;border-radius:20px;padding:5px 10px;background:#f4f6f9;color:#5f6368;font-size:12px}
.trip-header-v4>.v4-header-btn{flex-shrink:0;min-height:44px;border:1px solid #e2e5e9;border-radius:24px;padding:0 13px;background:#fff;color:#3c4043;font-size:12px;font-weight:600}
.chat-stream-v4{min-height:0;padding:24px 18px 18px;background:#fff;scroll-padding-bottom:24px}
.chat-stream-inner{width:100%;max-width:800px;gap:22px}
.welcome-card-v4{margin:clamp(20px,8vh,88px) 0 8px;padding:0;border:0;box-shadow:none;background:none;text-align:center}
.welcome-title{font-size:clamp(28px,5vw,38px);line-height:1.2;letter-spacing:-1.1px;color:#30343b;font-weight:500;margin:0 0 12px}
.welcome-subtitle{font-size:15px;line-height:1.5;color:#626973;max-width:none;margin:0 0 24px}
.welcome-suggestion-chips{display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.welcome-suggestion-chips button{min-height:44px;max-width:100%;border:1px solid #e1e5eb;border-radius:24px;padding:10px 14px;color:#414854;background:#fff;font-size:13px;cursor:pointer}
.welcome-suggestion-chips button:hover{background:#f4f7fc;border-color:#c4d4ec}
.composer-container-v4{padding:8px 16px max(12px,env(safe-area-inset-bottom));border:0;background:#fff;backdrop-filter:none}
.composer-inner-v4{max-width:800px;margin:auto;width:100%;min-width:0}
.composer-bar-v4{box-sizing:border-box;display:flex;align-items:flex-end;gap:4px;padding:6px;border:1px solid #e0e3e7;border-radius:28px;background:#f5f7fa;box-shadow:none;width:100%;min-width:0}
.composer-bar-v4:focus-within{border-color:#91b8ee;box-shadow:0 0 0 2px #e8f0fe}
.composer-bar-v4 textarea{box-sizing:border-box;flex:1 1 0;min-width:0;width:0;min-height:44px;max-height:160px;font-size:16px;line-height:24px;padding:10px 2px;resize:none;overflow-y:auto;color:#202124;background:transparent;border-radius:0;box-shadow:none}
.composer-bar-v4 textarea::placeholder{color:#68717d}
.composer-icon-btn,.composer-send-btn{box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;min-width:44px;max-width:44px;flex:0 0 44px;border:0;border-radius:50%;padding:0;font-size:24px;line-height:1}
.composer-icon-btn{background:transparent;color:#515861;font-size:28px;font-weight:400}
.composer-icon-btn:hover{background:#e8edf4}
.composer-send-btn{background:#1967d2;color:#fff;font-size:24px;font-weight:500}
.composer-send-btn:disabled{background:#d9dee5;color:#737b87;opacity:1}
.chat-message-v4,.message-rich-cards,.message-place-details{min-width:0}
.message-bubble-v4{box-shadow:none;overflow-wrap:anywhere}
.message-assistant .message-bubble-v4{border:0;background:transparent;padding-left:0;padding-right:0}
.message-user .message-bubble-v4{background:#f0f4f9;border:0;color:#202124}
.message-meta-row{margin-bottom:8px}
.message-assistant .message-meta-row .provenance-pill{display:none}
.message-author{color:#646b74;font-size:12px;text-transform:none;letter-spacing:0;opacity:1;font-weight:500}
.formatted-text{font-size:15px;line-height:1.65}
.formatted-text p+p,.formatted-text ul+p{margin-top:12px}
.formatted-text ul{margin:8px 0;padding-left:22px}
.assistant-thinking-bubble{border:0;background:#f6f8fc;box-shadow:none;max-width:100%}
.thinking-label{font-size:13px;line-height:1.5;color:#626d7c;overflow-wrap:anywhere}
.chat-extras-v4{margin:28px 0 12px;border-top:1px solid #edf0f3;padding-top:18px;color:#626d7c}
.chat-extras-v4.empty-chat-extras{margin-top:max(100px,calc(100dvh - 340px))}
.chat-extras-v4>summary,.message-place-details>summary{min-height:44px;font-size:13px;line-height:1.5;font-weight:500;cursor:pointer;padding:12px 4px;list-style-position:inside;color:#596778}
.chat-extras-content{display:grid;gap:24px;padding-top:18px}
.chat-extras-content .sample-screenshot-tray{position:static;margin:0;box-shadow:none;background:#f8fafd;border:1px solid #edf0f4;border-radius:16px;padding:16px}
.chat-extras-content .sample-tray-header{font-size:13px;line-height:1.5;color:#626d7c}
.chat-extras-content .sample-tray-grid,.chat-extras-content .starter-prompts-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.chat-extras-content .sample-preset-btn{min-width:0;background:#fff;border-color:#e4e8ee}
.sample-preset-meta strong,.sample-preset-meta span{white-space:normal;overflow-wrap:anywhere;font-size:12px;line-height:1.45}
.chat-extras-content .welcome-legs-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));margin:0}
.chat-extras-content .welcome-leg-chip{min-width:0;background:#f8fafd;border-color:#e7eaf0}
.extras-utilities{display:flex;gap:10px;flex-wrap:wrap}
.extras-utilities button{min-height:44px;border:1px solid #dadce0;background:#fff;color:#4a5565;border-radius:24px;padding:9px 14px;cursor:pointer}
.pending-screenshot-bar{border-color:#e5e9ef;background:#f8fafd;border-radius:16px;margin-bottom:8px}
.pending-screenshot-info strong{overflow-wrap:anywhere;line-height:1.45}
.pending-screenshot-remove{width:44px;min-width:44px;height:44px}
.corridor-map-card,.v4-place-card,.v4-card{border:1px solid #e0e5ec;background:#fff;border-radius:16px;padding:20px;min-width:0;box-shadow:none;overflow-wrap:anywhere}
.corridor-eyebrow{font-size:12px;font-weight:600;letter-spacing:0;color:#58718f}
.corridor-map-card>h3{font-size:19px;line-height:1.4;letter-spacing:-.3px;margin:6px 0;color:#24364b}
.corridor-subtitle{font-size:13px;line-height:1.55;color:#657181;margin:0 0 24px}
.corridor-timeline{list-style:none;margin:0;padding:0 0 8px 9px}
.corridor-stop{position:relative;border-left:2px solid #d4e3f9;padding:0 0 24px 20px;min-width:0}
.corridor-stop:last-child{border-left-color:transparent;padding-bottom:0}
.corridor-node{position:relative;min-width:0}
.corridor-node:before{content:"";position:absolute;left:-28px;top:3px;width:12px;height:12px;background:#4285f4;border:2px solid #fff;border-radius:50%;box-shadow:0 0 0 2px #c7dcfb}
.corridor-step{font-size:12px;line-height:1.5;letter-spacing:0;font-weight:600;color:#58718f;text-transform:capitalize}
.corridor-node h4{font-size:16px;line-height:1.45;margin:4px 0;color:#24364b;font-weight:600}
.corridor-name-zh{font-size:15px;font-weight:500;line-height:1.5;margin:0 0 4px;color:#34455c}
.corridor-district{font-size:12px;line-height:1.5;color:#657181}
.corridor-hop{padding:8px 0;color:#5d7088;font-size:12px;line-height:1.55;margin:0 0 12px;overflow-wrap:anywhere}
.amap-copy-control{display:flex;flex-direction:column;align-items:stretch;gap:6px;min-width:0;width:100%;max-width:100%;margin:12px 0 0}
.amap-copy-pin{display:block;position:relative;width:100%;min-height:64px;max-width:100%;padding:12px;background:#f0f5ff;color:#185abc;border:1px solid #d8e5fa;border-radius:12px;cursor:pointer;white-space:normal;text-align:left;overflow-wrap:anywhere}
.amap-copy-pin:hover{background:#e7f0ff;border-color:#a9c7f1}
.pin-copy-text{display:flex;flex-direction:column;gap:4px;min-width:0}
.pin-copy-label{padding-right:60px;color:#526e91;font-size:12px;line-height:1.3;font-weight:400}
.pin-copy-name{font-size:16px;line-height:1.5;font-weight:600;color:#234c80}
.pin-copy-action{position:absolute;right:12px;top:12px;font-size:12px;line-height:1.5;font-weight:600;white-space:nowrap;min-width:52px;text-align:right}
.pin-copy-status{font-size:12px;line-height:1.5;color:#a33b27}
.pin-copy-fallback{user-select:text;-webkit-user-select:text;font-size:16px;line-height:1.5;overflow-wrap:anywhere}
.corridor-note{font-size:13px;line-height:1.6;color:#596778;margin:12px 0}
.corridor-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.corridor-actions a,.corridor-actions button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border:1px solid #dfe6ef;border-radius:12px;background:#fff;padding:10px 12px;color:#365b8d;text-decoration:none;font-size:13px;line-height:1.4;font-weight:500;cursor:pointer}
.corridor-actions a:hover,.corridor-actions button:hover{background:#f5f8fd}
.message-places-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.v4-place-card{gap:10px}
.v4-place-card h4{font-size:17px;line-height:1.4;font-weight:600;color:#24364b}
.v4-place-card .place-zh{font-size:16px;font-weight:500;color:#34455c;margin-top:4px}
.v4-place-card .place-meta,.v4-place-card .place-address{font-size:12px;line-height:1.6;color:#657181;margin:0}
.v4-place-card .place-summary{font-size:14px;line-height:1.65;color:#3d4958}
.v4-place-card .amap-copy-control{margin:2px 0}
.v4-place-card .place-amap-tip{font-size:13px;line-height:1.6;background:#f6f8fb;border:0;padding:10px 12px;color:#4e6077;margin:0}
.place-card-badges{margin:0;gap:6px}
.place-kind-pill,.place-distance-pill{font-size:11px;line-height:1.5;font-weight:500;text-transform:none;background:#f0f3f7;color:#536174;padding:3px 8px}
.provenance-pill{font-size:11px;line-height:1.4;font-weight:500;white-space:normal;overflow-wrap:anywhere}
.provenance-dot{flex-shrink:0}
.v4-card-actions{gap:8px;margin-top:4px}
.v4-place-card .v4-card-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
.v4-place-card .v4-card-actions>:last-child:nth-child(odd){grid-column:1/-1}
.btn-v4,.v4-btn{min-height:44px;max-width:100%;font-size:13px;line-height:1.4;font-weight:500;border-radius:10px}
.v4-place-card .btn-v4{background:#fff;color:#365b8d;border-color:#dfe6ef;padding:10px}
.v4-place-card .btn-v4:hover{background:#f5f8fd}
.v4-place-card .btn-v4-selected{background:#edf4ff;color:#185abc}
.place-quick-feedback-strip{display:block;border-top:1px solid #edf0f3;padding-top:6px;margin-top:4px}
.place-quick-feedback-strip>summary{cursor:pointer;min-height:44px;padding:12px 0;font-size:12px;line-height:1.5;color:#637083;font-weight:400}
.quick-feedback-btn{min-height:44px;font-size:12px;line-height:1.5;background:#f7f9fc;border-color:#e0e5ec;color:#4d5e74}
.route-options-grid,.disambiguation-grid{grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr))}
.v4-card-title{line-height:1.45}
.v4-app-shell button:focus-visible,.v4-app-shell a:focus-visible,.v4-app-shell summary:focus-visible{outline:2px solid #1a73e8;outline-offset:3px}
.v4-toast{max-width:calc(100vw - 32px);width:max-content;border-radius:12px;line-height:1.5;bottom:max(92px,calc(92px + env(safe-area-inset-bottom)));overflow-wrap:anywhere}
.drawer-close-btn{min-width:44px;min-height:44px;flex-shrink:0}
/* Driver sheet: large Chinese destination, clear actions, no browser-default frame. */
.v4-taxi-dialog{width:min(460px,calc(100vw - 24px));max-width:none;max-height:calc(100dvh - 32px);padding:0;margin:auto;border:0;border-radius:20px;background:#13352f;color:#fff;overflow:auto;box-shadow:0 16px 60px #172b3540}
.v4-taxi-dialog::backdrop{background:#18212d66;backdrop-filter:blur(3px)}
.v4-taxi-sheet{margin:0;padding:20px;border-radius:0;box-shadow:none}
.taxi-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px}
.taxi-kicker{color:#cee1db;font-size:14px;font-weight:500;line-height:1.5}
.taxi-close-btn{display:inline-flex;align-items:center;justify-content:center;flex:0 0 44px;width:44px;height:44px;border:1px solid #ffffff40;border-radius:50%;background:transparent;color:#fff}
.taxi-greeting{font-size:17px;line-height:1.6;color:#d9e9e3;margin:0 0 8px}
.taxi-zh-giant{font-size:32px;line-height:1.4;font-weight:700;margin:0 0 16px;overflow-wrap:anywhere;color:#fff}
.taxi-address-zh{font-size:19px;line-height:1.6;color:#fff;overflow-wrap:anywhere;margin-bottom:16px}
.taxi-driver-script,.taxi-amap-hint{font-size:16px;line-height:1.65;color:#d9e9e3;overflow-wrap:anywhere;margin:12px 0}
.taxi-en-summary{display:grid;gap:4px;border-top:1px solid #ffffff30;margin-top:20px;padding-top:16px;color:#c9ddd5;font-size:13px;line-height:1.5;overflow-wrap:anywhere}
.taxi-en-summary strong{font-weight:500}
.taxi-actions{display:grid;gap:10px;margin-top:20px}
.taxi-actions .btn-v4{min-height:48px;font-size:14px}
.taxi-actions .btn-v4-taxi-copy{background:#fff;color:#173f39;border-color:#fff}
.taxi-actions .btn-v4-amap{background:transparent;color:#fff;border-color:#ffffff50}
.taxi-actions :focus-visible{outline:2px solid #a8d0ff;outline-offset:3px}
.trip-drawer-v4,.guides-modal-v4,.drawer-header-v4,.guides-modal-header{background:#fff;border-color:#e0e5ec}
.drawer-leg-card,.drawer-wishlist-item,.drawer-inline-form{background:#f8fafd;border-color:#e0e5ec}
.drawer-header-v4 h2,.guides-modal-header h2{font-size:18px;line-height:1.45;font-weight:600}
.drawer-helper-text{font-size:13px;line-height:1.6;color:#657181;margin:8px 0 12px}
.drawer-eyebrow{font-size:11px;letter-spacing:.4px;color:#657181}
.drawer-text-btn,.mini-chip-btn,.mini-chip-link,.trip-switch-pill{min-height:44px;align-items:center}
.v4-cluster-cta-btn{min-height:44px;line-height:1.5}
.drawer-leg-title,.drawer-wish-title{line-height:1.5;overflow-wrap:anywhere}
@media(max-width:600px){
  .trip-header-v4{padding-left:12px;padding-right:12px;gap:8px}
  .trip-header-left{gap:8px}
  .v4-brand-title{font-size:14px}
  .active-hotel-pill{font-size:11px;padding:4px 8px;max-width:92px}
  .trip-header-v4>.v4-header-btn{padding:0 12px}
  .chat-stream-v4{padding:20px 12px 16px}
  .composer-container-v4{padding-left:10px;padding-right:10px}
  .welcome-suggestion-chips{gap:8px}
  .welcome-suggestion-chips button{font-size:12px;padding:10px 12px}
  .corridor-map-card,.v4-place-card,.v4-card{padding:16px}
  .corridor-timeline{padding-left:5px}
  .corridor-stop{padding-left:16px}
  .corridor-node:before{left:-24px}
  .chat-extras-content .sample-tray-grid,.chat-extras-content .starter-prompts-grid,.chat-extras-content .welcome-legs-strip{grid-template-columns:minmax(0,1fr)}
  .drawer-inline-form input,.drawer-inline-form select,.ingestion-url-form input{font-size:16px;min-width:0}
}
@media(max-width:370px){.active-hotel-pill{display:none}.trip-header-v4>.v4-header-btn{padding:0 10px}.composer-bar-v4 textarea::placeholder{font-size:14px}}
@media(prefers-reduced-motion:reduce){.v4-app-shell *{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
.pending-screenshot-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:6px 10px;border-radius:12px;background:#edf5f0;border:1px solid #b7d6c3;overflow-x:auto}
.pending-screenshot-list{display:flex;align-items:center;gap:8px;flex:1;min-width:0;overflow-x:auto}
.pending-screenshot-card{display:flex;align-items:center;gap:7px;background:#fff;border:1px solid #cde2d5;border-radius:8px;padding:4px 8px 4px 4px;min-width:0;max-width:210px;flex-shrink:0}
.pending-screenshot-card .pending-screenshot-thumb{width:38px;height:38px;border-radius:6px;object-fit:cover;flex-shrink:0}
.pending-screenshot-card .pending-screenshot-info{min-width:0;flex:1}
.pending-screenshot-card .pending-screenshot-info strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:125px;font-size:11.5px;color:#18362b}
.pending-screenshot-card .pending-screenshot-info span{font-size:10px;color:#46695a}
.pending-screenshot-add-more{flex-shrink:0;cursor:pointer;background:#ffffff;border:1px dashed #256c52;color:#18362b;border-radius:999px;padding:5px 10px;font-size:11.5px;font-weight:600;white-space:nowrap}
.pending-screenshot-add-more:hover{background:#e3f1e9}
.message-attachment-preview{flex-wrap:wrap;gap:8px}
.message-attachment-grid{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.message-attachment-img-grid{width:56px;height:56px;border-radius:8px;object-fit:cover;border:1px solid #ffffff45}
.message-attachment-caption{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}