:root{font-family:Segoe UI,Microsoft YaHei,PingFang SC,sans-serif;color:#27333c;background:#e7eaec;font-size:14px;line-height:1.5;font-synthesis:none;--line: #c5cdd2;--muted: #616f79;--accent: #256b60;--route-regular: #4c7877;--route-seasonal: #99774b;--route-unknown: #7e8b94;--route-focus: #365b70;--app-header-height: 56px}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button{border:0;background:none;color:inherit;cursor:pointer}button:disabled{opacity:.5;cursor:wait}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,[role=button]:focus-visible{outline:2px solid var(--accent);outline-offset:3px}input,select{min-width:0}input:focus,select:focus{outline:2px solid #256b6030;outline-offset:1px}svg{flex-shrink:0}h1,h2,h3,p{margin:0}::selection{background:#dcebe7}.app-shell{min-height:100vh}.app-header{min-height:56px;display:flex;flex-wrap:wrap;align-items:center;padding:7px 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10px;display:flex;align-items:center;justify-content:space-between;gap:8px}.route-detail>header>div{min-width:0}.route-detail>header>button{flex-shrink:0}.route-detail h3 span{min-width:0;overflow-wrap:anywhere}.route-detail h3{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:600}.route-detail h3 svg{color:var(--map-muted)}.detail-summary{display:flex;align-items:center;justify-content:space-between;padding:0 16px 12px;border-bottom:1px solid var(--line)}.route-type{font-size:11px;color:var(--map-muted)}.route-type.year_round{color:var(--map-regular-text)}.route-type.seasonal{color:var(--map-seasonal-text)}.detail-summary button{display:flex;align-items:center;gap:5px;padding:3px 0;color:var(--map-muted);font-size:11px}.flight-list{overflow-y:auto;padding:0 16px;scrollbar-width:thin;scrollbar-color:var(--map-edge) transparent}.flight-card{padding:14px 0;border-bottom:1px solid var(--map-edge)}.flight-top{display:flex;align-items:center;gap:6px;margin:12px 0 8px}.flight-carrier{display:flex;align-items:baseline;flex-wrap:wrap;column-gap:6px}.flight-carrier strong{font-size:13px;font-weight:500}.flight-carrier>span{font-size:11px;color:var(--map-muted)}.eligibility{margin-left:auto;font-size:10px;color:var(--map-muted);text-align:right}.eligibility.yes{color:var(--map-regular-text)}.flight-times{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start;gap:7px 12px}.flight-endpoint{display:flex;flex-direction:column;align-items:flex-start;min-width:0}.flight-endpoint.arrival{grid-column:2;grid-row:1;align-items:flex-end;text-align:right}.flight-endpoint>b{font-size:25px;font-weight:500;line-height:1.25;font-variant-numeric:tabular-nums;white-space:nowrap}.flight-endpoint>span{margin-top:4px;color:var(--map-label);font-size:12px}.flight-endpoint small{display:block;font-size:10px;color:var(--map-muted)}.flight-endpoint 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9px}.route-card-city>span{font-size:9px;font-weight:400;color:#64727b;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.route-card-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:10px;color:#64727b}.route-carriers{display:inline-flex;align-items:center;flex-wrap:wrap;gap:3px}.route-carriers .airline-mark{--mark-size: 15px;padding:1px}.route-card-bottom .year_round{color:#548f84}.route-card-bottom .seasonal{color:#b08a4b}.load-more{display:flex;align-items:center;gap:6px;padding:9px 14px;margin:12px auto 0;font-size:12px;color:#73858f}.load-more:hover{background:#dbe2e6}.list-empty{display:flex;align-items:center;justify-content:center;gap:10px;padding:32px;color:#64727b;font-size:12px}.page-footer{display:flex;align-items:center;justify-content:space-between;margin-top:24px;padding:15px 0;font-size:11px;color:#64727b}.page-footer 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