:root{font-family:Microsoft YaHei,Noto Sans SC,PingFang SC,system-ui,sans-serif;color:#102f34;background:#071f27;font-synthesis:none;text-rendering:optimizeLegibility;--night: #071f27;--night-soft: #0b2a32;--paper: #f7f5ef;--paper-deep: #efede6;--ink: #102f34;--muted: #64716e;--line: #d8d9d2;--gold: #d0a24f;--gold-bright: #ffd17e;--coral: #c95e45;--teal: #64d3cd}*{box-sizing:border-box}html,body,#root{min-width:320px;min-height:100%;margin:0}body{min-height:100vh;overflow:hidden;background:var(--night);-webkit-font-smoothing:antialiased}button,a{font:inherit}button,a{color:inherit}.trip-app{min-height:100vh;background:var(--paper)}.app-header{position:relative;z-index:20;display:grid;grid-template-columns:minmax(320px,.88fr) minmax(450px,1.2fr) minmax(340px,.9fr);align-items:stretch;height:106px;color:#f7f5ef;background:var(--night);border-bottom:1px solid rgba(255,255,255,.09)}.brand-lockup{display:flex;align-items:center;gap:17px;min-width:0;padding:0 34px;border-right:1px solid 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