:root{
  --teal:#0e3a3d; --teal-deep:#0a2b2e; --gold:#d9a441; --gold-soft:#f3dfae;
  --cream:#faf6ee; --ink:#1e2a28; --muted:#5d6f6c; --wa:#25d366; --wa-dark:#1eb856;
  --radius:18px; --shadow:0 18px 50px rgba(10,43,46,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;color:var(--ink);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3{font-family:'Fraunces',Georgia,serif;line-height:1.15;letter-spacing:-.01em}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.wrap.narrow{max-width:820px}
.section{padding:110px 0}
.section.alt{background:var(--cream)}
.center{text-align:center}
.muted{color:var(--muted)}
.muted.light{color:#cfe0dd}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.eyebrow.dark{color:#a87e2c}
.section-sub{color:var(--muted);font-size:18px;max-width:640px;margin:12px 0 0}
.section-sub.light{color:#dcebe8}
h2{font-size:clamp(32px,4.6vw,54px);margin-bottom:6px}

/* line-by-line headline reveal (Apple-style) */
.wow .rl{display:inline-block;opacity:0;transform:translateY(46px);filter:blur(10px);transition:opacity .9s cubic-bezier(.16,1,.3,1),transform .9s cubic-bezier(.16,1,.3,1),filter .9s cubic-bezier(.16,1,.3,1)}
.wow .rl:nth-child(2){transition-delay:.12s}
.wow .rl:nth-child(3){transition-delay:.24s}
.wow.visible .rl{opacity:1;transform:none;filter:blur(0)}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:.3s;background:transparent}
.nav.scrolled{background:rgba(10,43,46,.92);backdrop-filter:blur(12px);box-shadow:0 4px 24px rgba(0,0,0,.18)}
.nav-inner{max-width:1280px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:16px;white-space:nowrap}
.brand-logo{width:44px;height:44px;border-radius:50%;border:2px solid var(--gold);background:#fff}
.nav-links{display:flex;gap:24px;margin-left:auto}
.nav-links a{color:#f2f7f6;font-size:14.5px;font-weight:500;opacity:.92;white-space:nowrap}
.nav-links a:hover{opacity:1;color:var(--gold-soft)}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;margin-left:auto}
.lang-toggle{display:flex;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:999px;padding:3px;gap:2px}
.lang-btn{background:none;border:none;color:#e8f1ef;font-size:13px;font-weight:700;padding:7px 13px;border-radius:999px;cursor:pointer;transition:.25s}
.lang-btn.active{background:var(--gold);color:#3a2a05}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;border-radius:999px;cursor:pointer;border:none;transition:.25s}
.btn-wa{background:var(--wa);color:#062b16}
.btn-wa:hover{background:var(--wa-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(37,211,102,.35)}
.btn-ghost{border:2px solid rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-outline{border:2px solid var(--teal);color:var(--teal);padding:11px 26px;font-size:14.5px}
.btn-outline:hover{background:var(--teal);color:#fff}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-lg{padding:16px 34px;font-size:17px}
.btn-xl{padding:20px 46px;font-size:20px}
.wa-icon{width:22px;height:22px;fill:currentColor}
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:linear-gradient(90deg,var(--gold),var(--wa));z-index:100}

/* HERO */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transform:scale(1.08);will-change:transform}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,26,28,.62) 0%,rgba(6,26,28,.34) 45%,rgba(6,26,28,.8) 100%)}
.hero-content{position:relative;z-index:2;max-width:1180px;margin:0 auto;padding:140px 24px 90px;width:100%;will-change:transform,opacity}
.hero h1{font-size:clamp(48px,8vw,100px);font-weight:700;margin:10px 0 18px}
.hero-sub{font-size:clamp(16px,2.2vw,21px);max-width:620px;color:#e8f1ef}
.hero-cta{display:flex;gap:16px;margin:34px 0 30px;flex-wrap:wrap}
.trust-chips{display:flex;gap:10px;flex-wrap:wrap}
.trust-chips span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(6px);padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:500}
.scroll-hint{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:3;width:26px;height:44px;border:2px solid rgba(255,255,255,.7);border-radius:14px;display:flex;justify-content:center;padding-top:8px}
.scroll-hint span{width:4px;height:10px;border-radius:2px;background:#fff;animation:wheel 1.8s ease-in-out infinite}
@keyframes wheel{0%{transform:translateY(0);opacity:1}70%{transform:translateY(14px);opacity:0}100%{opacity:0}}

/* STATS */
.stats{background:var(--teal-deep);color:#fff;padding:70px 0}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:32px;text-align:center}
.stat-num{font-family:'Fraunces',serif;font-size:clamp(40px,4.5vw,58px);font-weight:700;color:var(--gold)}
.stat-unit{font-size:22px;color:var(--gold-soft)}
.stat-label{color:#cfe0dd;font-size:14.5px;margin-top:6px}

/* STORY SEQUENCE — Apple-style pinned scroll */
.story{height:430vh;position:relative;background:#000}
.story-sticky{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden}
.story-bgs{position:absolute;inset:0}
.story-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transform:scale(1.12);transition:opacity 1s ease,transform 6s linear}
.story-bg.active{opacity:1;transform:scale(1)}
.story-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.45),rgba(0,0,0,.15) 40%,rgba(0,0,0,.55))}
.story-head{position:absolute;top:0;left:0;right:0;z-index:3;text-align:center;padding-top:110px}
.story-captions{position:absolute;inset:0;z-index:2;display:flex;align-items:center;justify-content:center;text-align:center;padding:0 24px}
.story-cap{position:absolute;max-width:760px;opacity:0;transform:translateY(50px);filter:blur(8px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1),filter .8s}
.story-cap.active{opacity:1;transform:none;filter:blur(0)}
.story-cap h3{color:#fff;font-size:clamp(38px,6vw,72px);margin-bottom:14px}
.story-cap p{color:#e8f1ef;font-size:clamp(16px,2.4vw,22px)}
.story-dots{position:absolute;bottom:44px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:10px}
.story-dots span{width:34px;height:4px;border-radius:2px;background:rgba(255,255,255,.3);transition:.4s}
.story-dots span.active{background:var(--gold)}

/* ROUTES — sticky stacked cards */
.routes-section{background:#f4efe4}
.stack{position:relative;display:grid;gap:28px;margin-top:56px;padding-bottom:6vh}
.rcard{position:sticky;top:calc(104px + var(--i)*18px);display:grid;grid-template-columns:1.15fr 1fr;background:#fff;border-radius:26px;overflow:hidden;box-shadow:0 30px 80px rgba(10,43,46,.18);min-height:380px;will-change:transform;transition:filter .3s}
.rcard-img{position:relative;min-height:280px;overflow:hidden}
.rcard-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s cubic-bezier(.16,1,.3,1)}
.rcard:hover .rcard-img img{transform:scale(1.06)}
.rcard-body{padding:44px 40px;display:flex;flex-direction:column;justify-content:center;gap:14px;align-items:flex-start}
.rcard-body h3{font-size:clamp(26px,3vw,36px)}
.rcard-body p{color:var(--muted);font-size:16px}
.rcard .tag{position:static;background:var(--gold);color:#3a2a05;font-size:13px;font-weight:700;padding:7px 16px;border-radius:999px}
.custom-banner{margin-top:70px;background:linear-gradient(135deg,var(--teal-deep),var(--teal));border-radius:26px;padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px;color:#fff;flex-wrap:wrap;box-shadow:var(--shadow)}
.custom-banner h3{font-size:clamp(26px,3.4vw,38px);margin-bottom:10px}
.custom-banner p{color:#dcebe8;font-size:17px;max-width:560px}

/* VIDEO SECTION */
.video-section{background:#0a2b2e;color:#fff}
.video-section .section-sub{color:#cfe0dd}
.video-frame{margin-top:48px;border-radius:22px;overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.45);border:1px solid rgba(217,164,65,.35)}
.feature-video{width:100%;aspect-ratio:16/9;display:block;background:#000}

/* FLEET */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.parallax-wrap{overflow:hidden;border-radius:var(--radius)}
.split-img img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover;width:100%;transform:scale(1.15);will-change:transform}
.fleet-list{margin:26px 0;display:grid;gap:14px}
.fleet-item{background:#fff;border-radius:14px;padding:18px 22px;box-shadow:0 8px 24px rgba(10,43,46,.08);display:flex;flex-direction:column;gap:4px}
.fleet-item strong{font-size:18px;color:var(--teal)}
.fleet-item span{color:var(--muted);font-size:14.5px}

/* STEPS */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:26px;margin:52px 0}
.step{background:#fff;border-radius:var(--radius);padding:38px 30px;box-shadow:var(--shadow)}
.step-n{width:54px;height:54px;border-radius:50%;background:var(--teal);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:18px}
.step h3{font-size:21px;margin-bottom:10px}
.step p{color:var(--muted);font-size:15px}

/* FEATURES */
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px;margin-top:52px}
.feature{background:#fff;border-radius:var(--radius);padding:30px;box-shadow:0 8px 24px rgba(10,43,46,.07);transition:transform .3s,box-shadow .3s}
.feature:hover{transform:translateY(-6px);box-shadow:0 18px 44px rgba(10,43,46,.14)}
.feature h3{font-size:18px;margin-bottom:8px;font-family:'Inter',sans-serif}
.feature p{color:var(--muted);font-size:14.5px}

/* GALLERY MARQUEE */
.marquee{overflow:hidden;margin-top:52px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.marquee-track{display:flex;gap:18px;width:max-content;animation:scroll 46s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee img{width:340px;height:230px;object-fit:cover;border-radius:14px}
@keyframes scroll{to{transform:translateX(-50%)}}

/* FAQ */
.faq{margin-top:44px;display:grid;gap:14px}
.faq details{background:#fff;border-radius:14px;box-shadow:0 8px 24px rgba(10,43,46,.07);overflow:hidden}
.faq summary{padding:22px 26px;cursor:pointer;font-weight:600;font-size:16.5px;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font-size:24px;color:var(--gold);font-weight:400;flex-shrink:0;transition:transform .3s}
.faq details[open] summary::after{content:'–';transform:rotate(180deg)}
.faq details p{padding:0 26px 24px;color:var(--muted);font-size:15px}

/* CTA */
.cta{background:linear-gradient(135deg,var(--teal-deep),var(--teal));color:#fff}
.cta h2{font-size:clamp(34px,5vw,58px);margin-bottom:12px}
.cta-logo{width:92px;height:92px;border-radius:50%;border:3px solid var(--gold);margin:0 auto 24px;background:#fff}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.float-anim{animation:floaty 5s ease-in-out infinite}
@keyframes pulseGlow{0%,100%{box-shadow:0 0 0 0 rgba(37,211,102,.55)}50%{box-shadow:0 0 0 16px rgba(37,211,102,0)}}
.pulse-btn{animation:pulseGlow 2.6s ease-out infinite}
.wa-float{position:fixed;right:22px;bottom:22px;width:62px;height:62px;border-radius:50%;background:var(--wa);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(37,211,102,.45);z-index:60;animation:pulseGlow 2.6s ease-out infinite}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:32px;height:32px;fill:#062b16}

/* FOOTER */
footer{background:#071e20;color:#9db8b4;padding:34px 0}
.foot{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:14px}
.foot-brand{display:flex;align-items:center;gap:10px;color:#e8f1ef;font-weight:700}
.foot-brand img{width:36px;height:36px;border-radius:50%}

/* back to top */
.to-top{position:fixed;left:22px;bottom:22px;width:52px;height:52px;border-radius:50%;border:none;background:var(--teal);color:#fff;font-size:22px;cursor:pointer;opacity:0;pointer-events:none;transition:.3s;z-index:60;box-shadow:0 10px 26px rgba(10,43,46,.4)}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{background:var(--teal-deep);transform:translateY(-3px)}

/* generic reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1);transition-delay:var(--d,0s)}
.reveal.visible{opacity:1;transform:none}

/* zh-Hant typography */
html[lang="zh-Hant"] h1,html[lang="zh-Hant"] h2,html[lang="zh-Hant"] h3{font-family:'Noto Serif TC','Fraunces',serif}
html[lang="zh-Hant"] body{letter-spacing:.02em}

@media(max-width:960px){
  .split{grid-template-columns:1fr;gap:36px}
  .rcard{grid-template-columns:1fr;min-height:0}
  .rcard-img{min-height:220px}
  .rcard-body{padding:32px 28px}
  .custom-banner{padding:40px 30px}
}
@media(max-width:760px){
  .section{padding:76px 0}
  .nav-links{position:fixed;top:0;right:-260px;width:240px;height:100dvh;background:var(--teal-deep);flex-direction:column;padding:90px 30px;gap:22px;transition:.3s;margin:0}
  .nav-links.open{right:0}
  .nav-links a{font-size:18px}
  .nav-toggle{display:block}
  .nav .btn-sm{display:none}
  .lang-toggle{margin-left:auto}
  .hero-content{padding-top:120px}
  .scroll-hint{display:none}
  .story-head{padding-top:96px}
}