:root{color:#15315f;background:radial-gradient(circle at top left,#fffffff2,#f0f6ffbf 28%,#dae9ff80 52%,#e6efffd1),linear-gradient(180deg,#dceafd,#f4f8ff 38%,#eef5ff);font-family:PingFang SC,Microsoft YaHei,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;color:#183153}button,input,select{font:inherit}button{border:0;background:none;cursor:pointer}button:disabled{cursor:not-allowed}.page-shell{min-height:100vh}.container{width:min(1180px,calc(100% - 48px));margin:0 auto}.site-header{position:relative;z-index:10;padding:16px 0 18px}.header-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:60px;padding-left:132px}.brand-logo-float{position:absolute;left:0;top:0%;transform:translateY(-50%);width:0;height:0;pointer-events:none}.brand-logo{display:block;width:104px;height:auto;max-width:none;pointer-events:auto;border-radius:14px;box-shadow:0 14px 28px #1f54b224}.main-nav{display:flex;align-items:center;gap:22px}.nav-link{position:relative;padding:8px 0;color:#1a3360;white-space:nowrap;flex:0 0 auto;transition:color .2s ease}.nav-link:hover,.nav-link.is-active{color:#1a64ff}.nav-link.is-active:after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:3px;border-radius:999px;background:linear-gradient(90deg,#1a64ff,#4fa9ff)}.header-actions{display:flex;align-items:center;gap:18px}.hotline{color:#2d5da7;font-weight:600;white-space:nowrap}.ghost-button,.light-button,.search-button{border-radius:14px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}.ghost-button{padding:12px 18px;color:#fff;background:linear-gradient(135deg,#2373ff,#3b8cff);box-shadow:0 16px 30px #1a64ff38}.ghost-button:hover,.light-button:hover,.search-button:hover{transform:translateY(-1px)}.hero{position:relative;margin-top:-96px;padding:150px 0 190px;overflow:hidden;background-repeat:no-repeat,no-repeat,no-repeat;background-position:center center,18% 18%,center;background-size:cover,auto,auto}.hero-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(circle at 16% 28%,#ffffffdb,#ffffff14 28%,#fff0 56%),radial-gradient(circle at 82% 18%,#ffffff70,#fff0 30%);pointer-events:none}.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,560px);align-items:center;gap:32px}.hero-copy h1{margin:0 0 14px;color:#0e2d63;font-size:clamp(2.8rem,6vw,4.3rem);line-height:1.08}.eyebrow{display:inline-flex;margin:0 0 18px;padding:8px 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span{width:10px;height:10px;background:#dbe6f7}.qr-grid span.is-filled{background:#0b1732}.qr-card strong{display:block;margin-bottom:6px}@media(max-width:1180px){.main-nav{gap:16px}.booking-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.swap-button,.field-group--muted:last-of-type{order:7}.search-button{grid-column:span 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h1{font-size:2.15rem;line-height:1.14}.hero-subtitle{margin-bottom:20px;font-size:.96rem}.hero-highlights{gap:10px 14px;font-size:.95rem}.booking-overlap{margin-top:-40px}.booking-panel,.business-banner{padding:24px 18px}.booking-grid,.benefits-grid,.deal-grid,.footer-links{grid-template-columns:1fr}.search-button{grid-column:auto}.trip-types{gap:16px;flex-wrap:wrap}.deal-switches{width:100%}.deal-switch{flex:1 1 calc(50% - 10px)}.contact-card strong{font-size:1.6rem}.qr-card{flex-direction:column;align-items:start}}