/* Hidden Fujian — design system v2 (multi-page) */
:root{
  --ink:#1d1d1f; --muted:#6e6e73; --paper:#fbfbfd; --card:#ffffff;
  --line:#e8e8ec; --accent:#1f6f54; --accent-ink:#14503c;
  --cinnabar:#b3402a; --wash:#f2f4f1;
  --radius:18px; --shadow:0 12px 40px rgba(20,30,25,.10);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",Inter,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased;font-size:17px}
img{max-width:100%;display:block}
a{color:var(--accent-ink);text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
section{padding:88px 0}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
h1{font-size:clamp(38px,5.4vw,68px);line-height:1.08;letter-spacing:-.025em;font-weight:700}
h2{font-size:clamp(28px,3.6vw,44px);line-height:1.15;letter-spacing:-.02em;font-weight:700;margin-bottom:16px}
h3{font-size:21px;letter-spacing:-.01em;margin-bottom:8px}
.lede{font-size:clamp(17px,2vw,21px);color:var(--muted);max-width:720px}
.center{text-align:center}.center .lede{margin:0 auto}

/* ---------- nav ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:background .3s,box-shadow .3s}
.nav .bar{max-width:1280px;margin:0 auto;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between}
.nav .brand{font-weight:800;font-size:19px;letter-spacing:-.01em;color:var(--ink)}
.nav .brand span{color:var(--accent)}
.nav .links{display:flex;gap:28px;align-items:center}
.nav .links a{font-size:15px;font-weight:500;color:var(--ink);opacity:.82}
.nav .links a:hover{opacity:1;color:var(--accent-ink)}
.nav .links a.active{color:var(--accent-ink);opacity:1}
.nav.solid{background:rgba(251,251,253,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 1px 0 var(--line)}
.nav.on-hero:not(.solid) .brand,.nav.on-hero:not(.solid) .links a{color:#fff}
.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-weight:600;font-size:16px;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 24px rgba(31,111,84,.28)}
.btn-primary:hover{background:var(--accent-ink)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.55);backdrop-filter:blur(6px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-sm{padding:9px 18px;font-size:14px}
.burger{display:none;background:none;border:0;cursor:pointer;padding:8px}
.burger span{display:block;width:22px;height:2px;background:currentColor;margin:5px 0;border-radius:2px}

/* ---------- hero ---------- */
.hero{position:relative;min-height:92vh;display:flex;align-items:flex-end;color:#fff;overflow:hidden;padding:0}
.hero .bg{position:absolute;inset:0}
.hero .bg img{width:100%;height:112%;object-fit:cover;will-change:transform}
.hero .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,14,12,.42) 0%,rgba(8,14,12,.12) 40%,rgba(8,14,12,.66) 100%)}
.hero .inner{position:relative;max-width:1180px;margin:0 auto;padding:120px 24px 72px;width:100%}
.hero h1{max-width:840px;margin-bottom:18px}
.hero .lede{color:rgba(255,255,255,.88);max-width:680px;margin-bottom:30px}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap}
.hero .credit{position:absolute;right:18px;bottom:14px;font-size:11px;color:rgba(255,255,255,.55)}
.hero-short{min-height:56vh}
.scroll-cue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);color:#fff;opacity:.75;font-size:12px;letter-spacing:.2em;text-transform:uppercase;animation:cue 2.2s infinite}
@keyframes cue{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ---------- reveal on scroll ---------- */
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.rv.in{opacity:1;transform:none}
.rv-d1{transition-delay:.12s}.rv-d2{transition-delay:.24s}.rv-d3{transition-delay:.36s}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:22px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 4px 18px rgba(20,30,25,.05);transition:transform .25s,box-shadow .25s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.card .ph{aspect-ratio:16/10;overflow:hidden;background:var(--wash)}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.card:hover .ph img{transform:scale(1.045)}
.card .tx{padding:24px}
.card .tag{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}
.card p{color:var(--muted);font-size:15.5px}
.stat-band{background:var(--ink);color:#fff;border-radius:var(--radius);padding:44px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:center}
.stat-band b{display:block;font-size:clamp(30px,4vw,46px);letter-spacing:-.02em}
.stat-band span{color:rgba(255,255,255,.65);font-size:14px}

/* ---------- sticky scroll story ---------- */
.sticky-story{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.sticky-media{position:sticky;top:96px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/5;max-height:76vh}
.sticky-media img{width:100%;height:100%;object-fit:cover}
.step{padding:34px 0;border-top:1px solid var(--line)}
.step:first-child{border-top:0}
.step .n{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--cinnabar);text-transform:uppercase}

/* ---------- band / cta ---------- */
.band{border-radius:26px;overflow:hidden;position:relative;color:#fff;padding:76px 48px;text-align:center}
.band .bg{position:absolute;inset:0}.band .bg img{width:100%;height:100%;object-fit:cover}
.band .shade{position:absolute;inset:0;background:rgba(10,18,15,.62)}
.band .in{position:relative;max-width:720px;margin:0 auto}
.band h2{color:#fff}

/* ---------- itinerary accordions ---------- */
.itin{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:18px;overflow:hidden}
.itin summary{list-style:none;cursor:pointer;padding:26px 28px;display:flex;gap:20px;align-items:center}
.itin summary::-webkit-details-marker{display:none}
.itin summary:hover{background:#fafbfa}
.itin .days{font-size:13px;font-weight:700;color:#fff;background:var(--accent);border-radius:999px;padding:6px 14px;white-space:nowrap}
.itin summary h3{margin:0;flex:1}
.itin summary .plus{font-size:26px;color:var(--muted);font-weight:300;transition:transform .25s}
.itin[open] summary .plus{transform:rotate(45deg)}
.itin .body{padding:6px 28px 30px;border-top:1px solid var(--line)}
.day{display:grid;grid-template-columns:64px 1fr;gap:18px;padding:18px 0;border-bottom:1px dashed var(--line)}
.day:last-child{border-bottom:0}
.day .d{font-weight:800;color:var(--accent);font-size:14px;letter-spacing:.06em;padding-top:3px}
.day p{color:#3a3a3c;font-size:15.5px;margin:0}
.day .link{display:block;margin-top:8px;font-size:14px;color:var(--accent-ink);font-weight:600}

/* ---------- stories ---------- */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 34px}
.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 18px;font-size:14px;font-weight:600;cursor:pointer;color:var(--ink)}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.story-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.story{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:transform .2s,box-shadow .2s}
.story:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.story .kicker{font-size:11.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cinnabar);margin-bottom:10px}
.story h3{font-size:18px;line-height:1.35}
.story p{font-size:14.5px;color:var(--muted);margin-top:8px}
.story.hide{display:none}
.featured{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:54px}
.featured .card .ph{aspect-ratio:16/9}

/* ---------- forms ---------- */
.field{margin-bottom:18px}
.field label{display:block;font-weight:600;margin-bottom:8px;font-size:15px}
.field select,.field input{width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:12px;font-size:16px;font-family:var(--font);background:#fff}
.brief-out{background:var(--ink);color:#fff;border-radius:var(--radius);padding:34px;white-space:pre-wrap;font-size:15.5px;line-height:1.7}
.note{background:#fff8e8;border:1px solid #f0dfae;border-radius:14px;padding:20px 22px;font-size:15px;color:#5c4d1a}

/* ---------- footer ---------- */
footer{background:#101312;color:#c9cdc9;padding:70px 0 34px;margin-top:40px}
footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:44px}
footer h4{color:#fff;font-size:14px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px}
footer a{color:#c9cdc9;font-size:14.5px;display:block;margin-bottom:9px}
footer a:hover{color:#fff}
footer .brandline{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px}
footer .fine{border-top:1px solid #2a2e2b;padding-top:22px;font-size:13px;color:#8b918b;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.credits{font-size:13px;color:var(--muted);columns:2;column-gap:32px}
.credits li{margin-bottom:6px;break-inside:avoid;list-style:none}

/* ---------- responsive ---------- */
@media(max-width:960px){
  .g3,.g4,.story-grid{grid-template-columns:repeat(2,1fr)}
  .g2,.featured,.sticky-story{grid-template-columns:1fr}
  .sticky-media{position:relative;top:0;aspect-ratio:16/10;max-height:none}
  footer .cols{grid-template-columns:1fr 1fr}
  .nav .links{position:fixed;top:64px;left:0;right:0;background:rgba(251,251,253,.98);backdrop-filter:blur(14px);flex-direction:column;align-items:flex-start;padding:18px 24px 26px;gap:6px;box-shadow:0 12px 30px rgba(0,0,0,.12);display:none}
  .nav .links.open{display:flex}
  .nav .links a{font-size:17px;padding:8px 0;color:var(--ink)!important}
  .nav.on-hero:not(.solid) .burger{color:#fff}
  .nav.solid .burger{color:var(--ink)}
  .burger{display:block;color:var(--ink)}
  section{padding:64px 0}
  .stat-band{grid-template-columns:1fr;gap:28px}
  .band{padding:56px 26px}
}
@media(max-width:600px){.g3,.g4,.g2,.story-grid,.featured{grid-template-columns:1fr}}