@font-face{font-family:FlightSerif;src:url('assets/fonts/cormorant-flight.woff2?v=8.2') format('woff2');font-weight:400;font-style:normal;font-display:swap}
:root{--flight-ground:#071b1d;--flight-ink:#eeeee0;--flight-muted:#a4b7ad;--flight-accent:#c5e5c5;--flight-inset:clamp(24px,4.4vw,72px)}
body{background:var(--flight-ground)}
.flight-header{position:absolute;top:0;left:0;z-index:5;width:100%;padding:34px var(--flight-inset);display:flex;align-items:center;justify-content:space-between;color:var(--flight-ink);gap:24px;font-size:14px}
.flight-brand{display:flex;gap:16px;align-items:center;min-height:44px}
.flight-brand .brand-cn{font-weight:600;letter-spacing:.1em;font-size:18px}
.flight-brand .brand-en{color:var(--flight-muted);font-size:12px;letter-spacing:.04em}
.flight-header nav{display:flex;gap:30px;align-items:center}
.flight-header nav a{padding-block:12px;position:relative}
.flight-header a:hover{color:var(--flight-accent);transform:translateY(-2px)}
.flight-contact{display:inline-flex;gap:20px;align-items:center;min-height:44px}
.flight-header a:focus-visible,.flight-hero a:focus-visible,.flight-hero button:focus-visible{outline:2px solid var(--flight-accent);outline-offset:6px}
.flight-hero{position:relative;isolation:isolate;min-height:780px;height:100svh;max-height:1400px;overflow:hidden;color:var(--flight-ink);background:var(--flight-ground);font-family:Manrope,Noto,'Microsoft YaHei',sans-serif}
.flight-world,.flight-fallback{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
.flight-world{opacity:0;transition:opacity 1.1s ease}
.flight-ready .flight-world{opacity:1}
.flight-ready .flight-fallback{opacity:0}
.flight-fallback{object-fit:cover;transition:opacity .8s ease}
.flight-copy{position:absolute;left:var(--flight-inset);bottom:142px;max-width:47%;pointer-events:none}
.flight-copy h1{font-family:FlightSerif,Georgia,'Times New Roman',serif;font-weight:400;font-size:clamp(74px,8.25vw,136px);line-height:.86;letter-spacing:-.045em;max-width:7em;color:var(--flight-ink)}
.flight-copy h1 span{display:block}
.flight-copy .flight-thought{font-size:clamp(17px,1.4vw,21px);font-weight:400;letter-spacing:.08em;line-height:1.8;margin:30px 0 6px;color:var(--flight-ink)}
.flight-copy .flight-intro{font-size:13px;color:var(--flight-muted);line-height:1.9;letter-spacing:.025em}
.flight-cta{pointer-events:auto;display:inline-flex;align-items:center;gap:28px;font-size:14px;margin-top:25px;min-height:44px}
.flight-cta .cta-arrow{width:39px;height:39px;border-radius:50%;display:grid;place-items:center;background:var(--flight-ink);color:var(--flight-ground);font-size:20px;transition:transform .35s var(--ease),background .35s}
.flight-cta:hover .cta-arrow{transform:translate(3px,3px);background:var(--flight-accent)}
.flight-note{position:absolute;right:var(--flight-inset);bottom:133px;text-align:right;font-size:13px;line-height:1.9;color:var(--flight-muted);max-width:240px}
.flight-note p:first-child{color:var(--flight-ink);font-size:16px;margin-bottom:13px}
.flight-note .flight-note-en{font-size:13px;line-height:1.8;color:var(--flight-muted)}
.flight-note .flight-note-en:lang(en){font-family:FlightSerif,Georgia,serif;font-size:22px;line-height:1.4;color:var(--flight-ink)}
.flight-footer{position:absolute;left:var(--flight-inset);right:var(--flight-inset);bottom:29px;display:flex;justify-content:space-between;align-items:center;gap:22px;font-size:12px;color:var(--flight-muted)}
.flight-signature{display:flex;align-items:center;gap:13px}
.flight-signature strong{font-weight:400;color:var(--flight-ink);font-size:14px}
.flight-signature .signature-dot{width:4px;height:4px;border-radius:50%;background:var(--flight-muted)}
.flight-hint{font-size:12px;display:flex;align-items:center;gap:10px}
.flight-hint svg{width:22px;height:22px;stroke:var(--flight-muted);fill:none;stroke-width:1.1}
.flight-controls{display:flex;align-items:center;gap:22px}
.flight-controls button{min-height:44px;background:transparent;color:var(--flight-muted);padding:8px 0;font-size:12px;display:flex;align-items:center;gap:8px;white-space:nowrap}
.flight-controls button:hover,.flight-controls button[aria-pressed=true]{color:var(--flight-ink)}
.flight-controls button:disabled{opacity:.6;cursor:default}
.flight-controls .pause-symbol{display:flex;gap:3px;width:10px;align-items:center;justify-content:center;height:12px}
.pause-symbol i{height:9px;width:2px;background:currentColor}
.is-paused .pause-symbol{font-size:12px}
.is-paused .pause-symbol i:first-child{height:0;width:0;background:none;border-top:5px solid transparent;border-bottom:5px solid transparent;border-left:7px solid currentColor}
.is-paused .pause-symbol i:last-child{display:none}
.flight-hero::selection,.flight-header::selection{background:var(--flight-accent);color:var(--flight-ground)}
.flight-enter{animation:flight-enter 1.3s cubic-bezier(.16,1,.3,1) both}
.flight-copy{animation-delay:.12s}.flight-note{animation-delay:.35s}.flight-footer{animation-delay:.5s}
@keyframes flight-enter{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media(min-width:1800px){.flight-copy{bottom:17%}.flight-note{bottom:21%}}
@media(max-width:1000px){.flight-header{padding-top:24px}.flight-header nav{gap:20px}.flight-brand .brand-en{display:none}.flight-copy{bottom:160px;max-width:60%}.flight-copy h1{font-size:clamp(80px,10.5vw,110px)}.flight-note{bottom:180px;max-width:180px}.flight-note .flight-note-en{font-size:20px}.flight-note p:first-child{font-size:14px}.flight-hint{display:none}.flight-hero{min-height:800px}}
@media(max-width:600px){
  .flight-header{padding:18px var(--flight-inset);gap:12px}.flight-header nav{gap:18px;font-size:12px}.flight-header nav a:nth-child(2){display:none}.flight-brand{gap:0}.flight-brand .brand-cn{font-size:16px}.flight-contact{display:none}
  .flight-hero{min-height:760px;max-height:none;height:100svh}
  .flight-fallback{object-fit:contain;object-position:50% 20%;background:var(--flight-ground)}
  .flight-copy{bottom:145px;max-width:none;right:var(--flight-inset)}.flight-copy h1{font-size:clamp(68px,18vw,108px);max-width:7em;line-height:.88}
  .flight-copy .flight-thought{font-size:16px;margin-top:24px;letter-spacing:.045em}.flight-copy .flight-intro{font-size:12px}.flight-cta{margin-top:17px;font-size:13px;gap:19px}.flight-cta .cta-arrow{width:34px;height:34px;font-size:18px}
  .flight-note{display:none}.flight-footer{bottom:22px;gap:12px;align-items:flex-end}.flight-signature{flex-direction:column;align-items:flex-start;gap:2px;font-size:10px}.flight-signature strong{font-size:12px}.signature-dot{display:none}.flight-controls{gap:18px}.flight-controls button{font-size:11px}
}
@media(max-height:700px) and (min-width:900px){.flight-hero{min-height:650px}.flight-copy{bottom:115px}.flight-copy h1{font-size:92px}.flight-copy .flight-thought{margin-top:22px}.flight-note{bottom:142px}}
@media(max-width:600px){.flight-footer{flex-wrap:wrap;row-gap:7px}.flight-signature:lang(en){flex-basis:100%}.flight-controls:lang(en){margin-left:auto}.flight-copy:lang(en){bottom:170px}}
@media(prefers-reduced-motion:reduce){.flight-enter{animation:none}.flight-world,.flight-fallback,.flight-hero *,.flight-header *{transition:none!important;scroll-behavior:auto!important}}