:root{color:#182734;background:#f3f5ef;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--ink: #182734;--muted: #64727e;--paper: #fffdf8;--line: #d6d9cf;--kunming: #2f7d68;--chengdu: #b44742;--chongqing: #285f9d;--gold: #bd8a2f}*{box-sizing:border-box}html,body,#root{width:100%;min-width:320px;min-height:100%;margin:0}button{font:inherit}.trip-shell{display:grid;min-height:100vh;place-items:center;padding:clamp(14px,2.4vw,32px);background:linear-gradient(90deg,rgba(24,39,52,.045) 1px,transparent 1px),linear-gradient(180deg,rgba(24,39,52,.045) 1px,transparent 1px),#f3f5ef;background-size:36px 36px}.trip-board{position:relative;display:grid;grid-template-columns:repeat(8,minmax(72px,1fr));grid-template-rows:repeat(8,minmax(72px,1fr));gap:clamp(6px,.8vw,10px);width:min(94vw,1120px);min-height:min(92vh,920px);padding:clamp(8px,1vw,14px);border:1px solid #bdc4b8;border-radius:8px;background:linear-gradient(135deg,#ffffffe6,#f7f4ebeb),var(--paper);box-shadow:0 24px 70px #18273429}.board-center{position:relative;z-index:1;display:grid;grid-column:2 / 8;grid-row:2 / 8;grid-template-columns:minmax(0,.95fr) minmax(280px,1.05fr);gap:clamp(18px,3vw,42px);min-width:0;min-height:0;padding:clamp(20px,3.2vw,48px);overflow:hidden;border:1px solid rgba(214,217,207,.9);border-radius:8px;background:linear-gradient(135deg,#fffdf8db,#ebefe6e0),#fffdf8}.center-copy{display:flex;flex-direction:column;justify-content:center;min-width:0}.eyebrow{margin:0 0 10px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:0;text-transform:uppercase}h1{max-width:380px;margin:0;color:var(--ink);font-size:clamp(36px,5vw,76px);line-height:.98;letter-spacing:0}.selected-date{display:flex;flex-wrap:wrap;align-items:center;gap:9px;max-width:420px;margin-top:24px;color:#364a59;font-size:clamp(15px,1.4vw,18px);font-weight:700}.selected-date strong{padding:5px 10px;border-radius:8px;background:#182734;color:#fffdf8;font-size:14px}.flight-panel{width:min(100%,340px);margin-top:20px;padding:12px;border:1px solid rgba(24,39,52,.14);border-radius:8px;background:#ffffffb8;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.panel-heading{display:flex;align-items:center;gap:7px;color:var(--ink);font-size:13px;font-weight:900}.flight-list{display:grid;gap:7px;margin-top:10px}.flight-row{display:grid;grid-template-columns:68px minmax(0,1fr);gap:9px;align-items:center;min-width:0;padding:9px;border:1px solid #e2e4dc;border-radius:8px;background:#fffdf8}.flight-row.active{border-color:#1827346b;background:#edf4f0}.flight-number{display:inline-flex;align-items:center;justify-content:center;min-height:28px;border-radius:8px;background:#182734;color:#fffdf8;font-size:12px;font-weight:900}.flight-row strong,.flight-row p{display:block;min-width:0;margin:0}.flight-row strong{color:var(--ink);font-size:13px;line-height:1.2}.flight-row p{margin-top:3px;color:var(--muted);font-size:12px;font-weight:700}.restaurant-deck{position:relative;align-self:center;justify-self:center;width:min(100%,390px);aspect-ratio:.72}.deck-card{--card-index: 0;position:absolute;inset:0;display:flex;flex-direction:column;overflow:hidden;border:1px solid rgba(24,39,52,.16);border-radius:8px;background:#fff;box-shadow:0 24px 44px #18273433;transform:translate(calc((var(--card-index) - 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