/* =================================================================
   BAY DIVE GREEN ISLAND — DEEP OCEAN LUXURY
   Design tokens, reset, typography, utilities
   ================================================================= */

:root {
  /* Palette */
  --ink:          #03070d;
  --navy:         #050d1a;
  --navy-mid:     #0a1628;
  --navy-deep:    #020611;
  --navy-light:   #0f2040;
  --abyss:        #010409;
  --cyan:         #00e5cc;
  --cyan-dim:     #00b8a4;
  --cyan-glow:    rgba(0, 229, 204, 0.35);
  --gold:         #c9a555;
  --gold-light:   #e8c87a;
  --gold-dim:     rgba(201, 165, 85, 0.25);
  --pearl:        #f0f4f8;
  --mist:         #c9d6e2;
  --fog:          #8eadc7;
  --dusk:         #4a6b85;

  /* Typography */
  --font-display: 'Cormorant Garamond', 'Noto Serif TC', 'Songti TC', serif;
  --font-serif-tc:'Noto Serif TC', 'Songti TC', serif;
  --font-sans-tc: 'Noto Sans TC', 'PingFang TC', 'Microsoft JhengHei', system-ui, sans-serif;
  --font-body:    'DM Sans', 'Noto Sans TC', 'PingFang TC', system-ui, sans-serif;

  /* Scale */
  --fs-display:   clamp(3.5rem, 9vw, 9rem);
  --fs-h1:        clamp(2.5rem, 5.5vw, 5rem);
  --fs-h2:        clamp(2rem, 4vw, 3.75rem);
  --fs-h3:        clamp(1.5rem, 2.5vw, 2.25rem);
  --fs-lead:      clamp(1.125rem, 1.5vw, 1.375rem);
  --fs-body:      1rem;
  --fs-small:     0.875rem;
  --fs-micro:     0.75rem;

  /* Spacing */
  --pad-section:  clamp(5rem, 12vh, 10rem);
  --gutter:       clamp(1.5rem, 4vw, 4rem);
  --rail-max:     1440px;

  /* Motion */
  --ease-fluid:   cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft:    cubic-bezier(0.33, 1, 0.68, 1);
  --dur-fast:     0.3s;
  --dur:          0.6s;
  --dur-slow:     1.1s;

  /* Shadows */
  --shadow-deep:  0 40px 80px -20px rgba(0,0,0,0.6), 0 0 120px -40px rgba(0,229,204,0.1);
  --glow-cyan:    0 0 40px rgba(0,229,204,0.35);
}

/* =====  RESET  ===== */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--mist);
  background: var(--navy);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img,video,canvas { display: block; max-width: 100%; height: auto; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
a { color: inherit; text-decoration: none; }
ul,ol { list-style: none; }
input,textarea { font: inherit; }

::selection { background: var(--cyan); color: var(--navy); }

/* =====  BILINGUAL VISIBILITY  ===== */
[data-lang="zh"] .en-text,
[data-lang="zh"] .en-only { display: none !important; }
[data-lang="en"] .zh-text,
[data-lang="en"] .zh-only { display: none !important; }

/* =====  TYPOGRAPHY  ===== */
.display {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: var(--fs-display);
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--pearl);
}
.display em { font-style: italic; color: var(--gold-light); font-weight: 400; }

h1,h2,h3 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.05;
  letter-spacing: -0.01em;
  color: var(--pearl);
}
[data-lang="zh"] h1,[data-lang="zh"] h2,[data-lang="zh"] h3 {
  font-family: var(--font-serif-tc);
  font-weight: 600;
  letter-spacing: 0.02em;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

.lead { font-size: var(--fs-lead); color: var(--fog); line-height: 1.7; }

.eyebrow {
  font-family: var(--font-body);
  font-size: var(--fs-micro);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  color: var(--cyan);
  font-weight: 500;
}
.eyebrow::before {
  content: "";
  display: inline-block;
  width: 2.5rem;
  height: 1px;
  background: var(--cyan);
  vertical-align: middle;
  margin-right: 1rem;
  transform: translateY(-2px);
}

/* =====  LAYOUT  ===== */
.container {
  width: min(100% - var(--gutter) * 2, var(--rail-max));
  margin-inline: auto;
}
section { position: relative; padding-block: var(--pad-section); }

/* =====  BUTTONS  ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.95rem 2rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 999px;
  transition: all var(--dur) var(--ease-fluid);
  white-space: nowrap;
}
.btn--primary {
  background: var(--cyan);
  color: var(--navy);
  box-shadow: 0 10px 30px -10px rgba(0,229,204,0.6), var(--glow-cyan);
}
.btn--primary:hover {
  transform: translateY(-2px);
  background: var(--gold-light);
  color: var(--navy);
  box-shadow: 0 15px 40px -10px rgba(232,200,122,0.5);
}
.btn--ghost {
  color: var(--pearl);
  border: 1px solid rgba(240,244,248,0.3);
}
.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
.btn--gold {
  background: transparent;
  color: var(--gold-light);
  border: 1px solid var(--gold);
}
.btn--gold:hover { background: var(--gold); color: var(--navy); }
.btn .arrow { transition: transform var(--dur) var(--ease-fluid); }
.btn:hover .arrow { transform: translateX(4px); }

/* =====  BUBBLES  ===== */
.bubbles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  overflow: hidden;
}
.bubble {
  position: absolute;
  bottom: -60px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(0,229,204,0.25), rgba(0,229,204,0.04));
  border: 1px solid rgba(0,229,204,0.35);
  animation: bubbleRise linear infinite;
  opacity: 0;
  filter: blur(0.3px);
}
@keyframes bubbleRise {
  0%   { transform: translateY(0) translateX(0) scale(0.8); opacity: 0; }
  10%  { opacity: 0.9; }
  50%  { transform: translateY(-60vh) translateX(10px) scale(1); }
  90%  { opacity: 0.5; }
  100% { transform: translateY(-120vh) translateX(-10px) scale(1.3); opacity: 0; }
}

/* =====  SCROLL REVEAL  ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease-fluid), transform 1s var(--ease-fluid);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
.reveal--delay-1 { transition-delay: 0.15s; }
.reveal--delay-2 { transition-delay: 0.3s; }
.reveal--delay-3 { transition-delay: 0.45s; }
.reveal--delay-4 { transition-delay: 0.6s; }

/* =====  DECORATIVE DIVIDERS  ===== */
.rule {
  width: 1px;
  height: 6rem;
  background: linear-gradient(to bottom, transparent, var(--cyan), transparent);
  margin-inline: auto;
}

/* =====  NOISE OVERLAY (subtle grain for depth)  ===== */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.04 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
  opacity: 0.6;
  mix-blend-mode: overlay;
}

/* =====  SCROLLBAR  ===== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--navy-deep); }
::-webkit-scrollbar-thumb { background: var(--navy-light); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan-dim); }

/* =====  RESPONSIVE BASE  ===== */
@media (max-width: 768px) {
  :root { --pad-section: clamp(4rem, 10vh, 6rem); }
  .eyebrow::before { width: 1.5rem; margin-right: 0.6rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* =================================================================
   LOADING SCREEN
   ================================================================= */
.loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  color: var(--pearl);
  transition: opacity 1s var(--ease-fluid), visibility 1s;
}
.loader__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 50% 40%, #0a2a4a 0%, var(--navy-deep) 50%, var(--abyss) 100%);
}
.loader__bg::after {
  content: "";
  position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,0.4), transparent),
    radial-gradient(1px 1px at 70% 60%, rgba(0,229,204,0.4), transparent),
    radial-gradient(2px 2px at 40% 80%, rgba(255,255,255,0.2), transparent),
    radial-gradient(1px 1px at 85% 15%, rgba(232,200,122,0.3), transparent);
  animation: drift 30s linear infinite;
}
@keyframes drift {
  to { transform: translateY(-40px) translateX(20px); }
}
.loader__inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column; align-items: center;
  gap: 2rem; padding: 2rem;
}
.loader__mark {
  position: relative;
  width: 7rem; height: 7rem;
  display: grid; place-items: center;
}
.loader__glyph {
  font-family: var(--font-serif-tc);
  font-size: 3.5rem;
  color: var(--cyan);
  text-shadow: 0 0 30px var(--cyan-glow);
  letter-spacing: 0.1em;
  animation: breathe 3s ease-in-out infinite;
}
@keyframes breathe {
  0%,100% { opacity: 0.7; transform: scale(1); }
  50%     { opacity: 1; transform: scale(1.05); }
}
.loader__lines {
  position: absolute; inset: 0;
  border: 1px solid rgba(0,229,204,0.2);
  border-radius: 50%;
  animation: ring 3s ease-in-out infinite;
}
.loader__lines::before,
.loader__lines::after {
  content: "";
  position: absolute; inset: -10px;
  border: 1px solid rgba(0,229,204,0.15);
  border-radius: 50%;
  animation: ring 3s ease-in-out infinite 0.3s;
}
.loader__lines::after {
  inset: -20px;
  border-color: rgba(0,229,204,0.08);
  animation-delay: 0.6s;
}
@keyframes ring {
  0%,100% { transform: scale(1); opacity: 1; }
  50%     { transform: scale(1.08); opacity: 0.5; }
}
.loader__label {
  font-size: var(--fs-small);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--fog);
}
.loader__bar {
  width: min(80vw, 24rem);
  height: 1px;
  background: rgba(240,244,248,0.15);
  overflow: hidden;
}
.loader__bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--gold-light));
  transform-origin: left center;
  transform: scaleX(0);
  transition: transform 0.3s var(--ease-soft);
  box-shadow: 0 0 20px var(--cyan);
}
.loader__meter {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--gold-light);
  font-weight: 300;
  letter-spacing: 0.05em;
}
.loader__meter span:last-child { font-size: 0.9rem; color: var(--fog); margin-left: 0.25rem; }
.loader.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader.is-done .loader__bg {
  transform: scale(3);
  transition: transform 1.4s var(--ease-fluid);
}

/* =================================================================
   NAVIGATION
   ================================================================= */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background var(--dur) var(--ease-fluid), backdrop-filter var(--dur);
  padding: 1rem 0;
}
.nav.is-scrolled {
  background: rgba(5, 13, 26, 0.78);
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  border-bottom: 1px solid rgba(0,229,204,0.1);
}
.nav__inner {
  width: min(100% - var(--gutter) * 2, var(--rail-max));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  flex-shrink: 0;
}
.nav__logo img {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: var(--pearl);
  padding: 4px;
  box-shadow: 0 0 20px rgba(0,229,204,0.15);
  transition: transform var(--dur) var(--ease-fluid);
}
.nav__logo:hover img { transform: rotate(-8deg) scale(1.05); }
.nav__logo-text {
  display: flex; flex-direction: column; line-height: 1;
  font-family: var(--font-display);
}
.nav__logo-zh {
  font-family: var(--font-serif-tc);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--pearl);
  letter-spacing: 0.15em;
}
.nav__logo-en {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--pearl);
  letter-spacing: 0.22em;
}
.nav__logo-text small {
  font-family: var(--font-body);
  font-size: 0.6rem;
  color: var(--cyan);
  letter-spacing: 0.35em;
  margin-top: 0.35rem;
  text-transform: uppercase;
}

.nav__menu {
  display: flex;
  gap: 2.25rem;
  align-items: center;
}
.nav__link {
  position: relative;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  color: var(--mist);
  padding: 0.5rem 0;
  transition: color var(--dur) var(--ease-fluid);
  background: transparent;
  border: 0;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
[data-lang="zh"] .nav__link { letter-spacing: 0.2em; }
.nav__link::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: var(--cyan);
  transition: width var(--dur) var(--ease-fluid);
}
.nav__link:hover { color: var(--cyan); }
.nav__link:hover::after { width: 100%; }

/* Dropdown parent */
.nav__item--has-sub {
  position: relative;
}
.nav__caret {
  font-size: 0.6rem;
  transform: translateY(1px);
  transition: transform var(--dur) var(--ease-fluid);
  color: var(--cyan-dim);
}
.nav__item--has-sub.is-open .nav__caret,
.nav__item--has-sub:hover .nav__caret {
  transform: translateY(1px) rotate(180deg);
  color: var(--cyan);
}

.nav__sub {
  position: absolute;
  top: calc(100% + 0.75rem);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  min-width: 16rem;
  padding: 0.75rem;
  background: rgba(5, 12, 26, 0.96);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 229, 204, 0.12);
  border-radius: 4px;
  box-shadow: 0 25px 55px -20px rgba(0, 0, 0, 0.7);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s var(--ease-fluid),
              visibility 0.22s,
              transform 0.22s var(--ease-fluid);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  z-index: 110;
}
.nav__sub::before {
  content: "";
  position: absolute;
  top: -0.75rem; left: 0; right: 0;
  height: 0.75rem;
}
.nav__item--has-sub:hover .nav__sub,
.nav__item--has-sub:focus-within .nav__sub,
.nav__item--has-sub.is-open .nav__sub {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}
.nav__sub-link {
  display: block;
  padding: 0.65rem 0.9rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--mist);
  border-radius: 3px;
  white-space: nowrap;
  transition: background var(--dur), color var(--dur);
}
[data-lang="zh"] .nav__sub-link { letter-spacing: 0.12em; font-family: var(--font-sans-tc); }
.nav__sub-link:hover {
  color: var(--cyan);
  background: rgba(0, 229, 204, 0.08);
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}
.nav__lang {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
}
.nav__lang button {
  padding: 0.25rem 0.5rem;
  color: var(--dusk);
  letter-spacing: 0.1em;
  transition: color var(--dur) var(--ease-fluid);
}
.nav__lang button.is-active {
  color: var(--gold-light);
  font-weight: 500;
}
.nav__lang button:hover { color: var(--cyan); }
.nav__lang-sep { color: var(--dusk); }

.nav__cta {
  padding: 0.7rem 1.6rem;
  font-size: 0.78rem;
}

.nav__burger {
  display: none;
  width: 44px; height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  position: relative;
  z-index: 120;
}
.nav__burger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--pearl);
  transition: transform var(--dur) var(--ease-fluid), opacity var(--dur);
}
.nav.is-open .nav__burger span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav.is-open .nav__burger span:nth-child(2) { opacity: 0; }
.nav.is-open .nav__burger span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (max-width: 1024px) {
  .nav__menu {
    position: fixed;
    inset: 0;
    background: rgb(2, 6, 17);
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 6rem 1.5rem 3rem;
    gap: 0.4rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--dur) var(--ease-fluid), visibility var(--dur);
    z-index: 105;
  }
  .nav.is-open .nav__menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  /* When menu is open, disable backdrop-filter on .nav to prevent it from
     creating a containing block that traps the fixed-position menu inside
     the nav bar's 60px height */
  .nav.is-open {
    background: transparent !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    border-bottom: none !important;
  }
  .nav__link {
    font-size: 1.1rem;
    font-family: var(--font-display);
    justify-content: space-between;
    width: 100%;
    min-height: 48px;
    padding: 0.75rem 0.5rem;
  }
  [data-lang="zh"] .nav__link { font-family: var(--font-sans-tc); font-weight: 500; }
  .nav__burger { display: flex; }
  .nav__cta { display: none; }

  /* Mobile dropdown: accordion style — hover disabled, only .is-open drives visibility */
  .nav__item--has-sub { width: 100%; }
  .nav__sub {
    position: static;
    transform: none;
    min-width: auto;
    background: rgba(0, 229, 204, 0.03);
    border: none;
    border-left: 1px solid rgba(0, 229, 204, 0.2);
    box-shadow: none;
    backdrop-filter: none;
    padding: 0.4rem 0 0.4rem 1rem;
    margin: 0.3rem 0 0.8rem 0.5rem;
    display: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav__item--has-sub:hover .nav__sub,
  .nav__item--has-sub:focus-within .nav__sub { display: none; transform: none; opacity: 1; visibility: visible; }
  .nav__item--has-sub.is-open .nav__sub {
    display: flex;
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  .nav__sub-link {
    font-size: 0.95rem;
    padding: 0.75rem 0.6rem;
    min-height: 44px;
    display: flex;
    align-items: center;
    white-space: normal;
    line-height: 1.4;
    word-break: break-word;
  }
  .nav__caret {
    font-size: 0.8rem;
    transition: transform 0.22s var(--ease-fluid);
  }
  .nav__item--has-sub.is-open .nav__caret { transform: rotate(180deg); }
}

@media (max-width: 480px) {
  .nav__logo-zh { font-size: 1rem; }
  .nav__logo-en { font-size: 1.1rem; }
  .nav__logo-text small { display: none; }
}

/* =================================================================
   HERO — scroll-driven canvas
   ================================================================= */
.hero {
  position: relative;
  height: 500vh;              /* 5x viewport = long scroll distance */
  padding: 0;
  background: var(--abyss);
  z-index: 3;
}
.hero__sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  width: 100%;
  overflow: hidden;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  background: var(--abyss);
}
.hero__scrim {
  position: absolute; inset: 0;
  z-index: 2;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(0,0,0,0) 0%, rgba(5,13,26,0.55) 70%, rgba(2,6,17,0.85) 100%),
    linear-gradient(180deg, rgba(5,13,26,0.35) 0%, transparent 40%, rgba(5,13,26,0.9) 100%);
  pointer-events: none;
}

.hero__title-wrap {
  position: absolute;
  left: 46%; top: 50%;
  transform: translate(-50%, -50%);
  z-index: 5;
  text-align: center;
  width: min(90%, 1100px);
  transition: opacity 0.3s var(--ease-fluid);
}
@media (max-width: 767px) {
  .hero__title-wrap { left: 50%; }
}
.hero__meta {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--cyan);
  margin-bottom: 2rem;
  text-transform: uppercase;
  padding: 0.5rem 1.25rem;
  border: 1px solid rgba(0,229,204,0.25);
  border-radius: 999px;
  background: rgba(5,13,26,0.4);
  backdrop-filter: blur(8px);
}
.hero__meta-dot {
  width: 3px; height: 3px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan);
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3.5rem, 10vw, 9rem);
  line-height: 1;
  color: var(--pearl);
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 40px rgba(0,0,0,0.6);
}
[data-lang="zh"] .hero__title { font-family: var(--font-serif-tc); font-weight: 300; }
.hero__title-line {
  display: block;
  letter-spacing: 0.05em;
}
[data-lang="zh"] .hero__title-line { letter-spacing: 0.3em; }
.hero__title-sub {
  display: block;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1.1rem, 2vw, 1.6rem);
  color: var(--gold-light);
  letter-spacing: 0.08em;
  margin-top: 0.75rem;
}
.hero__title-sub em {
  font-style: italic;
  color: var(--cyan);
  font-weight: 400;
}

.hero__lead {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.3vw, 1.15rem);
  color: var(--mist);
  max-width: 42rem;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
}
[data-lang="zh"] .hero__lead { letter-spacing: 0.1em; }

.hero__cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 3.5rem;
  transform: translateX(-50%);
  z-index: 5;
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--fog);
  text-transform: uppercase;
  text-align: center;
  animation: hintPulse 3s ease-in-out infinite;
}
.hero__scroll-line {
  display: block;
  width: 1px; height: 48px;
  background: linear-gradient(to bottom, var(--cyan), transparent);
  margin: 1rem auto 0;
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  top: -20px; left: 0;
  width: 100%; height: 20px;
  background: var(--cyan);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0%   { top: -20px; opacity: 0; }
  30%  { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}
@keyframes hintPulse {
  0%,100% { opacity: 0.6; }
  50%     { opacity: 1; }
}

.hero__marks {
  position: absolute;
  left: 2rem; right: 2rem;
  bottom: 2rem;
  z-index: 5;
  display: flex;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--dusk);
  text-transform: uppercase;
  pointer-events: none;
}
.hero__mark-row { display: flex; flex-direction: column; gap: 0.4rem; }
.hero__mark-row:last-child { align-items: flex-end; }

/* -----  Hero scroll narrative  ----- */
.hero__narrative {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
}
.hero__narr {
  position: absolute;
  top: 50%;
  width: min(46%, 520px);
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .6s var(--ease-fluid), transform .6s var(--ease-fluid);
}
.hero__narr.is-active {
  opacity: 1;
  transform: translateY(0);
}
/* Baseline: eyebrow left-small, headline right-large (segments 1 & 3) */
.hero__narr--a {
  left: clamp(1.5rem, 8vw, 7rem);
  transform: translate(-6px, 14px);
  text-align: left;
}
.hero__narr--a.is-active { transform: translate(0, 0); }

/* Mirror: eyebrow right-small, headline left-large (segment 2) */
.hero__narr--b {
  right: clamp(1.5rem, 8vw, 7rem);
  transform: translate(6px, 14px);
  text-align: right;
}
.hero__narr--b.is-active { transform: translate(0, 0); }

/* Alternate vertical offset so segments don't stack in exact same spot */
.hero__narr[data-segment="1"] { top: 44vh; }
.hero__narr[data-segment="2"] { top: 40vh; }
.hero__narr[data-segment="3"] { top: 46vh; }

.hero__narr-kicker {
  display: block;
  font-family: var(--font-body);
  font-size: 0.7rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 1.1rem;
  opacity: 0.85;
}
.hero__narr-kicker em {
  font-style: italic;
  color: var(--gold-light);
  letter-spacing: 0.15em;
  text-transform: none;
  margin-left: 0.35rem;
}
[data-lang="zh"] .hero__narr-kicker em {
  font-family: var(--font-serif-tc);
  font-style: normal;
  letter-spacing: 0.25em;
}

.hero__narr-title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2rem, 4.6vw, 4rem);
  line-height: 1.1;
  color: var(--pearl);
  margin: 0 0 1.2rem;
  text-shadow: 0 2px 40px rgba(0,0,0,0.7);
}
[data-lang="zh"] .hero__narr-title {
  font-family: var(--font-serif-tc);
  font-weight: 300;
  font-size: clamp(2.4rem, 5.4vw, 4.6rem);  /* zh 1.6× proportional bump */
  letter-spacing: 0.08em;
  line-height: 1.25;
}
.hero__narr-title em {
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--cyan);
}
.hero__narr-title em.t-self { color: var(--cyan); }
.hero__narr-title em.t-sea  { color: var(--gold-light); }
[data-lang="zh"] .hero__narr-title em {
  font-style: normal;
  letter-spacing: 0.15em;
}

.hero__narr-body {
  font-family: var(--font-body);
  font-size: clamp(0.85rem, 1.05vw, 1rem);
  color: var(--fog);
  line-height: 1.75;
  max-width: 32rem;
  margin-left: auto; margin-right: 0;
  letter-spacing: 0.02em;
}
[data-lang="zh"] .hero__narr-body {
  letter-spacing: 0.08em;
  font-size: clamp(0.95rem, 1.18vw, 1.1rem);
}
.hero__narr--a .hero__narr-body { margin-left: 0; margin-right: auto; }

/* ---- RWD ---- */
@media (max-width: 1023px) {
  .hero__narr {
    width: min(54%, 460px);
  }
  .hero__narr-title { font-size: clamp(1.8rem, 4.4vw, 3rem); }
  [data-lang="zh"] .hero__narr-title { font-size: clamp(2rem, 5vw, 3.4rem); }
}

@media (max-width: 767px) {
  .hero__narr {
    top: auto;
    bottom: 12vh;
    left: 50%;
    right: auto;
    transform: translate(calc(-50% - 6px), 14px);
    width: calc(100% - 2.5rem);
    max-width: 26rem;
    text-align: center;
  }
  .hero__narr.is-active { transform: translate(-50%, 0); }
  .hero__narr--a,
  .hero__narr--b {
    left: 50%;
    right: auto;
    text-align: center;
  }
  .hero__narr[data-segment="1"],
  .hero__narr[data-segment="2"],
  .hero__narr[data-segment="3"] { top: auto; bottom: 14vh; }

  .hero__narr-kicker { font-size: 0.6rem; letter-spacing: 0.3em; margin-bottom: 0.75rem; }
  .hero__narr-title { font-size: 1.55rem; margin-bottom: 0.7rem; }
  [data-lang="zh"] .hero__narr-title { font-size: 1.8rem; letter-spacing: 0.1em; }
  .hero__narr-body { font-size: 0.82rem; line-height: 1.65; margin: 0 auto; max-width: 22rem; }
  [data-lang="zh"] .hero__narr-body { font-size: 0.9rem; }
}

@media (max-width: 379px) {
  .hero__narr-kicker { display: none; }
  .hero__narr-body { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
}

@media (max-width: 768px) {
  .hero__meta {
    font-size: 0.6rem;
    padding: 0.4rem 0.9rem;
    gap: 0.5rem;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 100%;
    letter-spacing: 0.22em;
  }
  .hero__meta-dot { display: none; }
  .hero__marks { display: none; }
  .hero__scroll-hint { bottom: 2rem; }
  .hero__title { font-size: clamp(2.75rem, 11vw, 5rem); margin-bottom: 1rem; }
  [data-lang="zh"] .hero__title-line { letter-spacing: 0.15em; }
  .hero__title-sub { font-size: clamp(0.95rem, 3vw, 1.2rem); letter-spacing: 0.04em; }
  .hero__lead { font-size: 0.92rem; margin-bottom: 1.8rem; line-height: 1.6; }
  .hero__title-wrap { width: min(94%, 1100px); padding: 0 0.4rem; }
}
@media (max-width: 420px) {
  .hero__meta-item:nth-child(n+5) { display: none; }
  .hero__title { font-size: clamp(2.4rem, 12vw, 4rem); }
  [data-lang="zh"] .hero__title-line { letter-spacing: 0.08em; }
}

/* =================================================================
   ABOUT
   ================================================================= */
.about {
  background: linear-gradient(180deg, var(--abyss) 0%, var(--navy-deep) 50%, var(--navy) 100%);
  overflow: hidden;
}
.about__aurora {
  position: absolute;
  top: -20vh; left: 50%;
  transform: translateX(-50%);
  width: 120%;
  height: 80vh;
  background: radial-gradient(ellipse 60% 100% at 50% 0%, rgba(0,229,204,0.08) 0%, transparent 70%);
  pointer-events: none;
  filter: blur(40px);
}

.about__intro {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: 4.5rem;
  align-items: stretch;
  margin-bottom: 6rem;
}
.about__intro-left {
  max-width: 560px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.5rem 0;
}
.about__title {
  font-size: clamp(1.8rem, 3.1vw, 2.9rem);
  line-height: 1.2;
  margin-top: 1.5rem;
  margin-bottom: 2rem;
}
[data-lang="zh"] .about__title {
  letter-spacing: 0.04em;
  line-height: 1.4;
  font-weight: 500;
}
.about__title em {
  font-style: italic;
  color: var(--gold-light);
  font-weight: 400;
}
[data-lang="zh"] .about__title em {
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.12em;
  margin-inline: 0.05em;
}
.about__body {
  font-family: var(--font-body);
  font-size: var(--fs-lead);
  color: var(--mist);
  line-height: 1.85;
  letter-spacing: 0.01em;
}
[data-lang="zh"] .about__body {
  font-family: var(--font-sans-tc);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.9;
}

.about__tag {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(201,165,85,0.2);
  color: var(--gold-light);
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.02rem;
  letter-spacing: 0.08em;
}
[data-lang="zh"] .about__tag {
  font-family: var(--font-sans-tc);
  font-weight: 500;
  letter-spacing: 0.12em;
}

/* Storefront — right column inside .about__intro, native 1184×864 (≈ 37:27) */
.about__storefront {
  margin: 0;
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 1.25rem;
  min-height: 420px;
}
.about__storefront-img {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 340px;
  overflow: hidden;
  border-radius: 4px;
  background: var(--navy-mid);
  border: 1px solid rgba(201,165,85,0.18);
  box-shadow:
    0 30px 60px -30px rgba(0,0,0,0.6),
    inset 0 0 0 1px rgba(255,255,255,0.03);
}
.about__storefront-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center 35%;
  filter: saturate(1.05) contrast(1.02);
  transition: transform 1.2s var(--ease-fluid);
}
.about__storefront:hover .about__storefront-img img { transform: scale(1.03); }

.about__storefront-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(5,13,26,0.45) 100%);
  pointer-events: none;
}
.about__storefront-fallback {
  position: absolute; inset: 0;
  display: none;
  place-items: center;
  font-family: var(--font-body);
  font-size: 1rem;
  letter-spacing: 0.3em;
  color: var(--gold-light);
  text-transform: uppercase;
}
.about__storefront-img.is-empty img { display: none; }
.about__storefront-img.is-empty .about__storefront-fallback { display: grid; }

/* Caption row below image */
.about__storefront-cap {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  font-family: var(--font-body);
  color: var(--fog);
  padding-top: 0.25rem;
}
.about__storefront-mark {
  font-size: 0.68rem;
  letter-spacing: 0.4em;
  color: var(--cyan);
  text-transform: uppercase;
  padding-right: 1.25rem;
  border-right: 1px solid rgba(201,165,85,0.22);
}
.about__storefront-addr {
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--mist);
  flex: 1 1 auto;
}
[data-lang="zh"] .about__storefront-addr {
  font-family: var(--font-sans-tc);
  font-weight: 400;
  font-size: 0.88rem;
  letter-spacing: 0.12em;
}
.about__storefront-hours {
  font-size: 0.68rem;
  letter-spacing: 0.3em;
  color: var(--gold-light);
  text-transform: uppercase;
  margin-left: auto;
}
[data-lang="zh"] .about__storefront-hours {
  font-family: var(--font-sans-tc);
  letter-spacing: 0.2em;
}

/* Stats */
.about__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
  margin-bottom: 8rem;
  padding: 3rem 0;
  border-top: 1px solid rgba(0,229,204,0.12);
  border-bottom: 1px solid rgba(0,229,204,0.12);
  position: relative;
}
.about__stats::before,
.about__stats::after {
  content: "";
  position: absolute;
  left: 0; width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.4;
}
.about__stats::before { top: -1px; }
.about__stats::after  { bottom: -1px; }

.about__stat {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 0.6rem;
  row-gap: 0.65rem;
  align-items: baseline;
  text-align: left;
  padding-left: 1.5rem;
  border-left: 1px solid rgba(0,229,204,0.15);
  min-width: 0;
}
.about__stat-num {
  grid-row: 1;
  grid-column: 1;
  font-family: var(--font-sans-tc);
  font-size: clamp(2.4rem, 4.2vw, 3.4rem);
  font-weight: 600;
  line-height: 1;
  color: var(--pearl);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1, "lnum" 1;
}
.about__stat-unit {
  grid-row: 1;
  grid-column: 2;
  align-self: baseline;
  font-family: var(--font-sans-tc);
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--fog);
}
[data-lang="en"] .about__stat-unit {
  font-family: var(--font-body);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.72rem;
}
.about__stat-label {
  grid-row: 2;
  grid-column: 1 / -1;
  font-family: var(--font-sans-tc);
  font-weight: 500;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--cyan);
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}
[data-lang="en"] .about__stat-label {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

/* =================================================================
   TEAM — editorial rebuild
   ================================================================= */
.about__team {
  margin-top: 2rem;
}
.about__team-head {
  max-width: 46rem;
  margin-bottom: 3rem;
}
.about__team-title {
  margin-top: 1.25rem;
  font-size: clamp(1.6rem, 2.6vw, 2.3rem);
  line-height: 1.4;
  color: var(--pearl);
  font-weight: 500;
  letter-spacing: 0.02em;
}
[data-lang="zh"] .about__team-title { font-family: var(--font-sans-tc); }
.about__team-title em {
  font-style: normal;
  color: var(--gold-light);
  font-weight: 600;
  margin-inline: 0.1em;
}
.about__team-lede {
  margin-top: 1.5rem;
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--mist);
  letter-spacing: 0.02em;
}
[data-lang="zh"] .about__team-lede {
  font-family: var(--font-sans-tc);
  font-weight: 400;
  letter-spacing: 0.05em;
}

/* Trust row */
.team-trust {
  list-style: none;
  margin: 0 0 4.5rem;
  padding: 2rem 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  border-top: 1px solid rgba(201,165,85,0.18);
  border-bottom: 1px solid rgba(201,165,85,0.18);
}
.team-trust__item {
  position: relative;
  padding: 0.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: 0;
}
.team-trust__item + .team-trust__item {
  border-left: 1px solid rgba(201,165,85,0.12);
}
.team-trust__no {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  color: var(--cyan);
}
.team-trust__title {
  font-family: var(--font-sans-tc);
  font-weight: 600;
  font-size: 0.98rem;
  letter-spacing: 0.08em;
  color: var(--pearl);
}
[data-lang="en"] .team-trust__title {
  font-family: var(--font-body);
  letter-spacing: 0.04em;
}
.team-trust__sub {
  font-family: var(--font-sans-tc);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--fog);
  letter-spacing: 0.04em;
}
[data-lang="en"] .team-trust__sub {
  font-family: var(--font-body);
  letter-spacing: 0.02em;
}
.team-trust__item--hi .team-trust__title {
  color: var(--gold-light);
}

/* Lead instructor hero card */
.crew-lead {
  display: grid;
  grid-template-columns: minmax(240px, 300px) minmax(0, 1fr);
  gap: 3rem;
  align-items: center;
  padding: 2.5rem;
  margin-bottom: 4rem;
  border: 1px solid rgba(201,165,85,0.2);
  border-radius: 6px;
  background: linear-gradient(145deg, rgba(18,42,68,0.55), rgba(8,20,36,0.4));
  box-shadow: 0 30px 80px -40px rgba(0,0,0,0.6);
  position: relative;
  overflow: hidden;
}
.crew-lead::before {
  content: "";
  position: absolute;
  top: 0; right: 0;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(0,229,204,0.14), transparent 60%);
  pointer-events: none;
  filter: blur(24px);
}
.crew-lead__img {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 300px;
  overflow: hidden;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(0,229,204,0.12), transparent 60%),
    linear-gradient(135deg, var(--navy-deep), var(--navy-mid));
  border: 1px solid rgba(201,165,85,0.28);
  box-shadow:
    0 0 0 6px rgba(5,13,26,0.6),
    0 0 0 7px rgba(201,165,85,0.15),
    0 30px 60px -30px rgba(0,0,0,0.6);
  justify-self: center;
}
.crew-lead__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 2;
  filter: saturate(0.98) contrast(1.04);
}
.crew-lead__img.is-empty img { display: none; }
.crew-lead__body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.crew-lead__role {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.72rem;
  letter-spacing: 0.38em;
  color: var(--cyan);
  text-transform: uppercase;
}
.crew-lead__name {
  font-size: clamp(1.9rem, 3.2vw, 2.6rem);
  line-height: 1.1;
  color: var(--pearl);
  font-weight: 500;
  margin: 0;
}
[data-lang="zh"] .crew-lead__name { font-family: var(--font-sans-tc); letter-spacing: 0.06em; }
.crew-lead__name em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  color: var(--gold-light);
  margin-left: 0.35rem;
  font-size: 0.78em;
  letter-spacing: 0.02em;
}
.crew-lead__badges {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.crew-lead__badges li {
  font-family: var(--font-body);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  padding: 0.35rem 0.8rem;
  color: var(--gold-light);
  border: 1px solid rgba(201,165,85,0.35);
  border-radius: 999px;
  background: rgba(201,165,85,0.05);
}
.crew-lead__bio {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--mist);
  letter-spacing: 0.02em;
  margin: 0.25rem 0 0;
  max-width: 40rem;
}
[data-lang="zh"] .crew-lead__bio {
  font-family: var(--font-sans-tc);
  font-weight: 400;
  letter-spacing: 0.04em;
  line-height: 1.95;
}

/* Crew grid (6 supporting members, 3×2) */
.about__team-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2.5rem 2rem;
  margin-bottom: 4rem;
}
.crew-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  background: transparent;
  border: none;
  border-radius: 0;
  text-align: center;
  transition: transform var(--dur) var(--ease-fluid);
}
.crew-card:hover { transform: translateY(-4px); }
.crew-card:hover .crew-card__img { border-color: rgba(201,165,85,0.5); box-shadow: 0 0 0 6px rgba(5,13,26,0.6), 0 0 0 7px rgba(0,229,204,0.35), 0 24px 50px -24px rgba(0,0,0,0.6); }
.crew-card:hover .crew-card__img img { transform: scale(1.04); filter: saturate(1) contrast(1); }

.crew-card__img {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 200px;
  overflow: hidden;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(0,229,204,0.1), transparent 55%),
    linear-gradient(155deg, var(--navy-mid), var(--navy-deep));
  border: 1px solid rgba(201,165,85,0.2);
  box-shadow:
    0 0 0 6px rgba(5,13,26,0.6),
    0 0 0 7px rgba(201,165,85,0.12),
    0 20px 40px -20px rgba(0,0,0,0.55);
  transition: border-color var(--dur), box-shadow var(--dur);
}
.crew-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-fluid), filter var(--dur);
  filter: saturate(0.92) contrast(1.04);
  position: relative;
  z-index: 2;
}
.crew-card__img.is-empty img { display: none; }

/* Monogram fallback (inside both lead & grid cards) */
.crew-mono {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  font-family: var(--font-serif-tc), serif;
  font-weight: 600;
  font-size: clamp(3rem, 6vw, 5rem);
  color: rgba(201,165,85,0.32);
  letter-spacing: 0;
  pointer-events: none;
}

.crew-card figcaption {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 0 0.25rem;
}
.crew-card__role {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.66rem;
  letter-spacing: 0.32em;
  color: var(--cyan);
  text-transform: uppercase;
}
.crew-card__name {
  font-family: var(--font-sans-tc);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--pearl);
  line-height: 1.2;
}
[data-lang="en"] .crew-card__name {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.02em;
}
.crew-card__creds {
  font-family: var(--font-sans-tc);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--fog);
  line-height: 1.5;
}
[data-lang="en"] .crew-card__creds {
  font-family: var(--font-body);
  letter-spacing: 0.12em;
}

/* Team dual CTA */
.about__team-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  padding: 3rem 0 1rem;
  border-top: 1px solid rgba(0,229,204,0.12);
}
.about__team-cta-lede {
  font-family: var(--font-sans-tc);
  font-size: 1rem;
  color: var(--mist);
  letter-spacing: 0.06em;
  text-align: center;
}
[data-lang="en"] .about__team-cta-lede {
  font-family: var(--font-body);
  letter-spacing: 0.04em;
}
.about__team-cta-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

@media (max-width: 960px) {
  .about__intro { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; margin-bottom: 4rem; align-items: start; }
  .about__intro-left { max-width: none; padding: 0; min-width: 0; }
  .about__storefront { min-height: 0; grid-template-rows: auto auto; min-width: 0; }
  .about__storefront-img { height: auto; min-height: 0; aspect-ratio: 1184 / 864; }
  .about__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem 1.5rem; margin-bottom: 5rem; }
  .team-trust { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; }
  .team-trust__item { padding: 1.25rem 1.25rem; }
  .team-trust__item + .team-trust__item { border-left: none; }
  .team-trust__item:nth-child(2) { border-left: 1px solid rgba(201,165,85,0.12); }
  .team-trust__item:nth-child(3),
  .team-trust__item:nth-child(4) { border-top: 1px solid rgba(201,165,85,0.12); }
  .team-trust__item:nth-child(4) { border-left: 1px solid rgba(201,165,85,0.12); }
  .crew-lead { grid-template-columns: minmax(0, 1fr); gap: 2rem; padding: 2rem; text-align: center; }
  .crew-lead__img { max-width: 240px; margin: 0 auto; }
  .crew-lead__body { align-items: center; min-width: 0; }
  .crew-lead__bio { text-align: left; }
  .about__team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2.5rem 1.5rem; }
  .crew-card__img { max-width: 180px; }
}
@media (max-width: 560px) {
  .about__stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem 1rem; padding: 2rem 0; }
  .about__stat { padding-left: 0.75rem; }
  .about__stat-label { letter-spacing: 0.06em; font-size: 0.76rem; }
  .about__stat-num { font-size: clamp(2rem, 9vw, 2.8rem); }
  .about__storefront-cap { gap: 0.75rem 1rem; }
  .about__storefront-mark {
    padding-right: 0;
    border-right: none;
    flex-basis: 100%;
  }
  .about__storefront-hours { margin-left: 0; }
  [data-lang="zh"] .about__storefront-addr { font-size: 0.82rem; letter-spacing: 0.08em; }
}
@media (max-width: 560px) {
  .team-trust { grid-template-columns: minmax(0, 1fr); }
  .team-trust__item { padding: 1rem 1.25rem; }
  .team-trust__item + .team-trust__item { border-left: none; border-top: 1px solid rgba(201,165,85,0.12); }
  .team-trust__item:nth-child(2),
  .team-trust__item:nth-child(4) { border-left: none; }
  .crew-lead { padding: 1.5rem; gap: 1.5rem; }
  .crew-lead__img { max-width: none; }
  .crew-lead__name { font-size: 1.6rem; }
  .about__team-cta-actions .btn { flex: 1 1 100%; }
}
@media (max-width: 480px) {
  .about__team-grid { grid-template-columns: minmax(0, 1fr); gap: 2rem; }
}

/* =================================================================
   NEWS
   ================================================================= */
.news {
  background: var(--navy);
  position: relative;
}
.news__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 4rem;
  gap: 2rem;
  flex-wrap: wrap;
}
.news__head h2 { margin-top: 1rem; }
.news__all {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--cyan);
  transition: gap var(--dur) var(--ease-fluid);
}
.news__all:hover { gap: 1rem; }

.news__grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
}

.news-card {
  position: relative;
  background: var(--navy-mid);
  border: 1px solid rgba(0,229,204,0.08);
  border-radius: 6px;
  overflow: hidden;
  transition: transform var(--dur) var(--ease-fluid), border-color var(--dur);
}
.news-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,229,204,0.3);
  box-shadow: 0 30px 60px -25px rgba(0,0,0,0.6);
}
.news-card__link { display: block; }

.news-card__img {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.news-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-fluid);
}
.news-card:hover .news-card__img img { transform: scale(1.05); }
.news-card__img::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(2,6,17,0.7) 100%);
}
.news-card__tag {
  position: absolute;
  top: 1rem; left: 1rem;
  z-index: 2;
  padding: 0.35rem 0.9rem;
  background: rgba(5,13,26,0.8);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(0,229,204,0.3);
  border-radius: 999px;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cyan);
}

.news-card__body {
  padding: 1.75rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.news-card__date {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-style: italic;
  letter-spacing: 0.15em;
  color: var(--gold-light);
}
.news-card__title {
  font-size: 1.35rem;
  font-family: var(--font-display);
  line-height: 1.3;
  color: var(--pearl);
  font-weight: 500;
}
[data-lang="zh"] .news-card__title { font-family: var(--font-serif-tc); font-weight: 600; }
.news-card__excerpt {
  font-size: 0.88rem;
  color: var(--fog);
  line-height: 1.7;
}
.news-card__more {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--cyan);
}

.news-card--hero { grid-row: span 1; grid-column: 1; }
.news-card--hero .news-card__img { aspect-ratio: 3 / 2; }
.news-card--hero .news-card__title { font-size: 1.75rem; }

@media (max-width: 960px) {
  .news__grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .news-card--hero { grid-column: span 2; }
}
@media (max-width: 640px) {
  .news__grid { grid-template-columns: minmax(0, 1fr); }
  .news-card--hero { grid-column: span 1; }
}

/* =================================================================
   SECTION HEAD (shared)
   ================================================================= */
.section-head {
  max-width: 44rem;
  margin-bottom: 4rem;
}
.section-head h2 { margin-top: 1rem; }
.section-head__lead { margin-top: 1.5rem; }

/* =================================================================
   DIVING — compact 3-card editorial
   ================================================================= */
.diving {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-deep) 100%);
}
.diving__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
  align-items: stretch;
}

.dive-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border-radius: 4px;
  background: var(--navy-mid);
  border: 1px solid rgba(0,229,204,0.10);
  transition: transform var(--dur) var(--ease-fluid),
              border-color var(--dur),
              box-shadow var(--dur);
}
.dive-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,229,204,0.32);
  box-shadow: 0 20px 40px -20px rgba(0,0,0,0.5);
}
.dive-card--feature {
  border-color: rgba(232,196,140,0.28);
  background: linear-gradient(180deg, var(--navy-mid) 0%, #0c1c30 100%);
}
.dive-card--feature:hover {
  border-color: rgba(232,196,140,0.55);
  box-shadow: 0 22px 45px -20px rgba(232,196,140,0.25);
}

/* Media */
.dive-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.dive-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.4s var(--ease-fluid);
  filter: saturate(0.92);
}
.dive-card:hover .dive-card__media img { transform: scale(1.06); filter: saturate(1); }
.dive-card__media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(2,6,17,0.55) 100%);
  pointer-events: none;
}

/* Badge over media */
.dive-card__badge {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.7rem;
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--pearl);
  background: rgba(2,6,17,0.72);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(0,229,204,0.22);
  border-radius: 2px;
}
.dive-card__badge--entry {
  color: var(--navy-deep);
  background: var(--cyan);
  border-color: var(--cyan);
}
.dive-card__badge--gold {
  color: var(--navy-deep);
  background: var(--gold-light);
  border-color: var(--gold-light);
}
[data-lang="zh"] .dive-card__badge { letter-spacing: 0.18em; }

/* Body */
.dive-card__body {
  padding: 1.4rem 1.4rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  flex: 1;
}
.dive-card__head { display: flex; flex-direction: column; gap: 0.5rem; }
.dive-card__kicker {
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  color: var(--cyan);
  text-transform: uppercase;
  font-family: var(--font-body);
}
[data-lang="zh"] .dive-card__kicker { letter-spacing: 0.18em; }
.dive-card__head h3 {
  font-size: clamp(1.3rem, 1.6vw, 1.55rem);
  line-height: 1.15;
  margin: 0;
}
.dive-card__head h3 em {
  font-family: var(--font-display);
  font-style: italic;
  color: var(--gold-light);
  font-weight: 400;
  display: block;
  margin-top: 0.15em;
  font-size: 0.92em;
  letter-spacing: 0.01em;
}
[data-lang="zh"] .dive-card__head h3 em {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0.02em;
}

/* Price block */
.dive-card__price-block {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 0.9rem 0;
  border-top: 1px solid rgba(0,229,204,0.12);
  border-bottom: 1px solid rgba(0,229,204,0.12);
}
.dive-card__price-main {
  display: baseline;
  display: flex;
  align-items: baseline;
  gap: 0.25rem;
  font-family: var(--font-body);
  color: var(--gold-light);
  font-variant-numeric: tabular-nums lining-nums;
}
.dive-card__price-main .currency {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  font-weight: 500;
}
.dive-card__price-main .amount {
  font-size: 1.9rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1;
}
.dive-card__price-main .unit {
  font-size: 0.72rem;
  color: var(--fog);
  letter-spacing: 0.18em;
  margin-left: 0.15rem;
  text-transform: uppercase;
}
[data-lang="zh"] .dive-card__price-main .unit {
  letter-spacing: 0.1em;
  text-transform: none;
}

.dive-card__price-tiers {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.dive-card__price-tiers .tier {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  padding: 0.35rem 0;
  gap: 0.8rem;
  font-variant-numeric: tabular-nums lining-nums;
}
.dive-card__price-tiers .tier + .tier {
  border-top: 1px dashed rgba(0,229,204,0.12);
}
.dive-card__price-tiers .tier-k {
  font-size: 0.68rem;
  letter-spacing: 0.25em;
  color: var(--fog);
  text-transform: uppercase;
}
[data-lang="zh"] .dive-card__price-tiers .tier-k { letter-spacing: 0.15em; }
.dive-card__price-tiers .tier-v {
  font-size: 1.05rem;
  color: var(--pearl);
  font-family: var(--font-body);
  font-weight: 500;
  letter-spacing: 0.01em;
}
.dive-card__price-tiers .tier-v small {
  font-size: 0.65rem;
  color: var(--fog);
  letter-spacing: 0.15em;
  margin-left: 0.2rem;
  font-weight: 400;
}
.dive-card__price-tiers .tier--hi .tier-v {
  color: var(--gold-light);
  font-size: 1.4rem;
  font-weight: 500;
}
.dive-card__price-tiers .tier--hi .tier-k {
  color: var(--gold-light);
}

.dive-card__price-note {
  font-size: 0.72rem;
  color: var(--fog);
  letter-spacing: 0.03em;
  line-height: 1.4;
  margin: 0;
}

/* Spec list (compact) */
.dive-card__spec {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.dive-card__spec li {
  display: grid;
  grid-template-columns: 3.2rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: baseline;
  min-width: 0;
}
.dive-card__spec .k {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: var(--cyan);
  text-transform: uppercase;
  font-family: var(--font-body);
}
[data-lang="zh"] .dive-card__spec .k {
  letter-spacing: 0.1em;
  color: var(--cyan-dim);
}
.dive-card__spec .v {
  color: var(--pearl);
  font-size: 0.82rem;
  font-family: var(--font-body);
  line-height: 1.45;
}
[data-lang="zh"] .dive-card__spec .v {
  letter-spacing: 0.03em;
  font-family: var(--font-sans-tc);
}

.dive-card__cta {
  align-self: stretch;
  margin-top: auto;
  justify-content: center;
}

/* Footnote */
.diving__foot {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(0,229,204,0.12);
  font-size: 0.72rem;
  line-height: 1.7;
  color: var(--fog);
  letter-spacing: 0.02em;
  max-width: 68rem;
}
[data-lang="zh"] .diving__foot { letter-spacing: 0.05em; }

@media (max-width: 1024px) {
  .diving__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dive-card--feature { grid-column: 1 / -1; }
  .dive-card--feature .dive-card__media { aspect-ratio: 16 / 7; }
}
@media (max-width: 640px) {
  .diving__grid { grid-template-columns: minmax(0, 1fr); gap: 1rem; }
  .dive-card--feature { grid-column: auto; }
  .dive-card--feature .dive-card__media { aspect-ratio: 4 / 3; }
  .dive-card__body { padding: 1.25rem 1.25rem 1.4rem; }
  .dive-card__spec li { grid-template-columns: 2.8rem minmax(0, 1fr); gap: 0.7rem; }
}

/* =================================================================
   COURSES — horizontal rail
   ================================================================= */
.courses {
  background: var(--navy-deep);
  position: relative;
  overflow: hidden;
}
.courses__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.25;
}
.courses__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: blur(2px) saturate(0.4) brightness(0.6);
}
.courses__bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, var(--navy-deep) 0%, transparent 30%, transparent 70%, var(--navy-deep) 100%),
              radial-gradient(ellipse at 50% 50%, transparent, var(--navy-deep) 80%);
}
.courses .container { position: relative; z-index: 1; }

/* Feature block (video + pitch) */
.courses__feature {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 3rem;
  align-items: center;
  margin: 0 0 4rem;
  padding: 2.5rem 0;
  border-top: 1px solid rgba(0,229,204,0.08);
  border-bottom: 1px solid rgba(0,229,204,0.08);
}
.courses__video {
  position: relative;
  margin: 0;
  border-radius: 4px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  max-width: 520px;
  width: 100%;
  background: #000;
  box-shadow: 0 24px 48px -20px rgba(0,0,0,0.65);
  border: 1px solid rgba(0,229,204,0.18);
}
.courses__video-el {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.courses__video::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(2,6,17,0.55) 100%);
  pointer-events: none;
}
.courses__video-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.45rem 0.8rem;
  font-size: 0.62rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--pearl);
  background: rgba(2,6,17,0.55);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0,229,204,0.3);
  border-radius: 2px;
}
[data-lang="zh"] .courses__video-badge { letter-spacing: 0.18em; }
.courses__video-badge .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(0,229,204,0.25);
  animation: pulseDot 2s infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(0,229,204,0.25); }
  50%      { box-shadow: 0 0 0 6px rgba(0,229,204,0.08); }
}
.courses__video-cap {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  z-index: 2;
  color: var(--pearl);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-shadow: 0 2px 12px rgba(0,0,0,0.6);
}
[data-lang="zh"] .courses__video-cap { letter-spacing: 0.1em; font-family: var(--font-sans-tc); }

/* Pitch (right column) */
.courses__pitch { display: flex; flex-direction: column; gap: 1.4rem; }
.courses__pitch-eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--cyan);
  text-transform: uppercase;
  margin: 0;
}
[data-lang="zh"] .courses__pitch-eyebrow { letter-spacing: 0.2em; }

.courses__pitch-title {
  font-size: clamp(1.6rem, 2.6vw, 2.25rem);
  line-height: 1.25;
  margin: 0;
  color: var(--pearl);
}
[data-lang="zh"] .courses__pitch-title { font-family: var(--font-sans-tc); font-weight: 600; letter-spacing: 0.02em; }
.courses__pitch-title em {
  font-style: italic;
  color: var(--gold-light);
  font-family: var(--font-display);
  font-weight: 400;
}
[data-lang="zh"] .courses__pitch-title em {
  font-style: normal;
  font-family: var(--font-display);
  font-style: italic;
  color: var(--gold-light);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.courses__pitch-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.courses__pitch-list li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 1rem;
  padding-top: 0.9rem;
  border-top: 1px solid rgba(0,229,204,0.1);
  min-width: 0;
}
.courses__pitch-list li:first-child { border-top-color: rgba(0,229,204,0.18); }
.courses__pitch-list .num {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.3rem;
  color: var(--gold-light);
  line-height: 1;
  padding-top: 0.15rem;
}
.courses__pitch-list strong {
  display: block;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--pearl);
  margin-bottom: 0.25rem;
  letter-spacing: 0.02em;
}
[data-lang="zh"] .courses__pitch-list strong { font-family: var(--font-sans-tc); }
.courses__pitch-list p {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--fog);
  letter-spacing: 0.02em;
}
[data-lang="zh"] .courses__pitch-list p { font-family: var(--font-sans-tc); letter-spacing: 0.04em; }

.courses__pitch-cta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.courses__pitch-trust {
  font-size: 0.72rem;
  color: var(--fog);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border-left: 1px solid rgba(0,229,204,0.2);
  padding-left: 1rem;
}
[data-lang="zh"] .courses__pitch-trust { letter-spacing: 0.1em; }

@media (max-width: 960px) {
  .courses__feature {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
    padding: 2rem 0;
    margin-bottom: 2.5rem;
  }
  .courses__video { max-width: 100%; aspect-ratio: 16 / 9; }
}
@media (max-width: 560px) {
  .courses__pitch-cta { flex-direction: column; align-items: flex-start; gap: 1rem; }
  .courses__pitch-trust { border-left: 0; padding-left: 0; }
}

.courses__rail-wrap {
  position: relative;
  margin-inline: calc(var(--gutter) * -1);
}
.courses__rail {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  padding: 1rem var(--gutter) 2rem;
  scrollbar-width: thin;
  scrollbar-color: var(--cyan-dim) transparent;
}
.courses__rail::-webkit-scrollbar { height: 4px; }
.courses__rail::-webkit-scrollbar-track { background: rgba(0,229,204,0.05); }
.courses__rail::-webkit-scrollbar-thumb { background: var(--cyan-dim); border-radius: 2px; }

.course-card {
  flex: 0 0 clamp(280px, 28vw, 360px);
  scroll-snap-align: start;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 2.5rem 2rem;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(10,22,40,0.85), rgba(5,13,26,0.95));
  border: 1px solid rgba(0,229,204,0.15);
  backdrop-filter: blur(12px);
  transition: transform var(--dur) var(--ease-fluid), border-color var(--dur), background var(--dur);
}
.course-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan);
  background: linear-gradient(180deg, rgba(15,32,64,0.9), rgba(10,22,40,0.98));
}
.course-card--pro {
  background: linear-gradient(180deg, rgba(40,30,10,0.5), rgba(20,15,5,0.9));
  border-color: rgba(201,165,85,0.4);
}
.course-card--pro:hover { border-color: var(--gold-light); }

/* Add-on specialty variant (EAN) */
.course-card--addon {
  border-style: dashed;
  border-color: rgba(0,229,204,0.28);
  background: linear-gradient(180deg, rgba(12,28,50,0.6), rgba(8,18,34,0.95));
}
.course-card--addon:hover { border-style: solid; border-color: var(--cyan); }
.course-card--addon .course-card__tier {
  color: var(--fog);
  letter-spacing: 0.22em;
}
[data-lang="zh"] .course-card--addon .course-card__tier { letter-spacing: 0.1em; }

.course-card__flag {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.6rem;
  font-size: 0.58rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--navy-deep);
  background: var(--cyan);
  border-radius: 2px;
  font-weight: 600;
}
[data-lang="zh"] .course-card__flag { letter-spacing: 0.15em; }

.course-card__price-kicker {
  font-size: 0.58rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan);
  padding: 0.15rem 0.4rem;
  border: 1px solid rgba(0,229,204,0.35);
  border-radius: 2px;
  margin-right: 0.3rem;
  font-weight: 500;
}
[data-lang="zh"] .course-card__price-kicker { letter-spacing: 0.15em; }

.course-card__level {
  position: absolute;
  top: -20px;
  right: 1.5rem;
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 300;
  line-height: 1;
  color: rgba(0,229,204,0.08);
  letter-spacing: -0.02em;
  pointer-events: none;
}
.course-card--pro .course-card__level { color: rgba(201,165,85,0.15); }

.course-card__top {
  display: flex; flex-direction: column; gap: 0.6rem;
  position: relative; z-index: 1;
}
.course-card__tier {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan);
}
.course-card--pro .course-card__tier { color: var(--gold-light); }
.course-card__top h3 {
  font-size: 1.7rem;
  line-height: 1.15;
  color: var(--pearl);
}
.course-card__tag {
  font-size: 0.85rem;
  color: var(--fog);
  font-family: var(--font-display);
  font-style: italic;
  margin-top: 0.25rem;
}
[data-lang="zh"] .course-card__tag { font-family: var(--font-serif-tc); font-style: normal; }

.course-card__bullets {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(0,229,204,0.12);
}
.course-card__bullets li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.85rem;
  color: var(--mist);
}
.course-card__bullets li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.55rem;
  width: 6px; height: 6px;
  background: var(--cyan);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--cyan);
}
.course-card--pro .course-card__bullets li::before {
  background: var(--gold-light);
  box-shadow: 0 0 8px var(--gold-light);
}

.course-card__foot {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(0,229,204,0.12);
  flex-wrap: wrap;
}
.course-card__price {
  font-family: var(--font-body);
  font-size: 0.72rem;
  color: var(--fog);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-variant-numeric: tabular-nums lining-nums;
  font-feature-settings: "tnum" 1, "lnum" 1;
}
.course-card__price b {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--gold-light);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums lining-nums;
  font-feature-settings: "tnum" 1, "lnum" 1;
  font-style: normal;
}
.course-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  background: var(--cyan);
  color: var(--navy);
  border-radius: 999px;
  font-weight: 500;
  transition: all var(--dur) var(--ease-fluid);
}
.course-card--pro .course-card__btn { background: var(--gold-light); }
.course-card__btn:hover { transform: translateY(-2px); }

.courses__hint {
  text-align: center;
  font-size: 0.7rem;
  letter-spacing: 0.3em;
  color: var(--dusk);
  text-transform: uppercase;
  margin-top: 1.5rem;
}

/* =================================================================
   TRAVEL (Green Island)
   ================================================================= */
.travel {
  background:
    linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 50%, var(--navy-deep) 100%);
  position: relative;
}

/* Dive sites block — section head + map side-by-side, then sites list */
.travel__sites {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
  margin-bottom: 8rem;
}
.travel__hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(2.5rem, 4vw, 4.5rem);
  align-items: stretch;
}
.travel__hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 3rem;
  min-height: 0;
}
.travel__hero-copy .section-head { margin-bottom: 0; }
.travel__sites-head {
  max-width: 44rem;
  display: flex;
  flex-direction: column;
}
.travel__sites-head h3 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 0 0 1rem;
  line-height: 1.2;
}
.travel__sites-head .lead {
  margin: 0;
  max-width: 40rem;
}

.travel__map {
  position: relative;
  align-self: stretch;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 6px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at center, rgba(0,229,204,0.06), transparent 70%),
    var(--navy-mid);
  border: 1px solid rgba(0,229,204,0.18);
  box-shadow: 0 40px 80px -30px rgba(0,0,0,0.7),
              inset 0 0 0 1px rgba(0,229,204,0.05);
}
.travel__map::before {
  content: "";
  position: absolute;
  inset: 0.75rem;
  border: 1px dashed rgba(0,229,204,0.22);
  border-radius: 4px;
  pointer-events: none;
  z-index: 2;
}
.travel__map img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
  filter: saturate(1.05);
}
.travel__map-fallback {
  display: none;
  position: absolute; inset: 0;
  place-items: center;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.travel__map.no-map .travel__map-fallback { display: grid; }

/* Corner coordinates — decorative */
.travel__map-corner {
  position: absolute;
  z-index: 3;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.72rem;
  color: var(--cyan);
  letter-spacing: 0.18em;
  pointer-events: none;
}
.travel__map-corner--tl { top: 1.1rem; left: 1.5rem; }
.travel__map-corner--tr { top: 1.1rem; right: 1.5rem; }
.travel__map-corner--bl { bottom: 1.1rem; left: 1.5rem; }
.travel__map-corner--br { bottom: 1.1rem; right: 1.5rem; }

.travel__sites-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem 2.5rem;
  margin-top: 1rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(0,229,204,0.12);
}
.travel__sites-grid li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  min-width: 0;
  grid-template-rows: auto auto;
  column-gap: 0.8rem;
  row-gap: 0.15rem;
  padding: 0.85rem 0;
  border-bottom: 1px dashed rgba(0,229,204,0.1);
  transition: padding var(--dur) var(--ease-fluid), border-color var(--dur);
}
.travel__sites-grid li:hover {
  padding-left: 0.5rem;
  border-color: var(--cyan);
}
.travel__sites-grid b {
  grid-row: 1 / 2;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--gold-light);
  letter-spacing: 0.1em;
  align-self: baseline;
}
.travel__sites-grid li > span {
  grid-row: 1 / 2;
  font-family: var(--font-serif-tc);
  font-weight: 600;
  font-size: 1rem;
  color: var(--pearl);
  letter-spacing: 0.08em;
  transition: color var(--dur) var(--ease-fluid);
}
.travel__sites-grid li:hover > span { color: var(--cyan); }
.travel__sites-grid i {
  grid-row: 1 / 2;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.75rem;
  color: var(--dusk);
  letter-spacing: 0.02em;
  text-align: right;
  align-self: baseline;
}
.travel__sites-grid .site-note {
  grid-row: 2 / 3;
  grid-column: 2 / 4;
  font-family: var(--font-body);
  font-style: normal;
  font-size: 0.72rem;
  color: var(--fog);
  letter-spacing: 0.05em;
  opacity: 0.8;
}
[data-lang="zh"] .travel__sites-grid .site-note { letter-spacing: 0.08em; }

/* Resort */
.travel__resort {
  padding: 5rem 0;
  border-top: 1px solid rgba(201,165,85,0.2);
  border-bottom: 1px solid rgba(201,165,85,0.2);
  margin-bottom: 6rem;
  position: relative;
}
.travel__resort::before,
.travel__resort::after {
  content: "";
  position: absolute; left: 0; width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.4;
}
.travel__resort::before { top: -1px; }
.travel__resort::after { bottom: -1px; }

.travel__resort-head {
  max-width: 44rem;
  margin-bottom: 3rem;
}
.travel__resort-head h3 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  margin: 1rem 0 1.5rem;
}

.travel__rooms {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.room-card {
  background: var(--navy-mid);
  border-radius: 6px;
  overflow: hidden;
  border: 1px solid rgba(201,165,85,0.15);
  transition: transform var(--dur) var(--ease-fluid), border-color var(--dur);
}
.room-card:hover {
  transform: translateY(-6px);
  border-color: var(--gold-light);
}
.room-card__img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, var(--navy-light), var(--navy-mid));
}
.room-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-fluid);
}
.room-card:hover .room-card__img img { transform: scale(1.05); }
.room-card__placeholder {
  display: grid;
  place-items: center;
  height: 100%;
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.3em;
  color: var(--gold-light);
  text-transform: uppercase;
}
.room-card__body {
  padding: 1.75rem 1.5rem;
}
.room-card__kicker {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--gold-light);
  text-transform: uppercase;
}
.room-card h4 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--pearl);
  margin: 0.6rem 0 1.25rem;
  line-height: 1.3;
}
[data-lang="zh"] .room-card h4 { font-family: var(--font-serif-tc); font-weight: 600; letter-spacing: 0.1em; }

.room-card__desc {
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--mist);
  margin: -0.5rem 0 1.25rem;
}
[data-lang="zh"] .room-card__desc { font-family: var(--font-serif-tc); letter-spacing: 0.02em; }

.room-card__cta {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.72rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--cyan);
  border-bottom: 1px solid rgba(0,229,204,0.3);
  padding-bottom: 0.35rem;
  transition: color .25s, border-color .25s, transform .25s;
}
.room-card__cta:hover {
  color: var(--gold-light);
  border-color: var(--gold-light);
  transform: translateX(3px);
}
[data-lang="zh"] .room-card__cta { letter-spacing: 0.2em; }

.room-card__amen {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(0,229,204,0.1);
}
.room-card__amen li { min-width: 0; }
.room-card__amen li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.room-card__amen li > span {
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  color: var(--dusk);
  text-transform: uppercase;
}
.room-card__amen b {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1rem;
  color: var(--pearl);
}
[data-lang="zh"] .room-card__amen b { font-family: var(--font-serif-tc); font-weight: 600; }

/* Logistics */
.travel__logistics {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
}
.travel__box {
  padding: 2.5rem 2rem;
  border-radius: 6px;
  background: linear-gradient(180deg, rgba(10,22,40,0.5), rgba(5,13,26,0.5));
  border: 1px solid rgba(0,229,204,0.1);
}
.travel__box-idx {
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--cyan);
  text-transform: uppercase;
  display: block;
}
.travel__box h4 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  margin: 0.75rem 0 1.5rem;
  color: var(--pearl);
}
[data-lang="zh"] .travel__box h4 { font-family: var(--font-serif-tc); font-weight: 600; }
.travel__box-list {
  display: flex; flex-direction: column;
  gap: 1.25rem;
}
.travel__box-list li {
  padding-bottom: 1.25rem;
  border-bottom: 1px dashed rgba(0,229,204,0.1);
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.travel__box-list li:last-child { border-bottom: none; }
.travel__box-k {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
}
[data-lang="zh"] .travel__box-k { letter-spacing: 0.1em; font-size: 0.95rem; text-transform: none; }
.travel__box-v {
  font-size: 0.9rem;
  color: var(--mist);
  line-height: 1.65;
}

/* -----------------------------------------------------------------
   TRAVEL · ARRIVE (Ferry / Flight / On-Island / To Taitung)
   ----------------------------------------------------------------- */
.travel__arrive {
  margin: 5rem 0 4rem;
  padding: 4rem 0;
  border-top: 1px solid rgba(201,165,85,0.18);
  border-bottom: 1px solid rgba(201,165,85,0.18);
  position: relative;
}
.travel__arrive::before,
.travel__arrive::after {
  content: "";
  position: absolute; left: 0; width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  opacity: 0.35;
}
.travel__arrive::before { top: -1px; }
.travel__arrive::after  { bottom: -1px; }

.travel__arrive-head {
  max-width: 52rem;
  margin: 0 auto 3rem;
  text-align: center;
}
.travel__arrive-head h3 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin: 1rem 0 1.25rem;
  color: var(--pearl);
}
[data-lang="zh"] .travel__arrive-head h3 { font-family: var(--font-serif-tc); font-weight: 600; }

.arrive-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}
.arrive-bottom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1.5rem;
}

.arrive-card {
  background: linear-gradient(180deg, rgba(10,22,40,0.65), rgba(5,13,26,0.65));
  border: 1px solid rgba(0,229,204,0.14);
  border-radius: 6px;
  overflow: hidden;
  display: flex; flex-direction: column;
}
.arrive-card__head {
  padding: 1.75rem 1.75rem 1.25rem;
  border-bottom: 1px dashed rgba(201,165,85,0.25);
  background: linear-gradient(180deg, rgba(0,229,204,0.04), transparent);
}
.arrive-card__tag {
  display: block;
  font-family: var(--font-mono, monospace);
  font-size: 0.7rem;
  letter-spacing: 0.35em;
  color: var(--gold);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}
.arrive-card__head h4 {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 1.6vw, 1.45rem);
  color: var(--pearl);
  margin: 0 0 1rem;
  line-height: 1.3;
}
[data-lang="zh"] .arrive-card__head h4 { font-family: var(--font-serif-tc); font-weight: 600; }

.arrive-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem 1.75rem;
  font-size: 0.78rem;
  color: var(--mist);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.arrive-card__meta li {
  display: flex; flex-direction: column; gap: 0.2rem;
}
.arrive-card__meta b {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--cyan);
  text-transform: none;
  font-variant-numeric: tabular-nums;
}
[data-lang="zh"] .arrive-card__meta { letter-spacing: 0.05em; text-transform: none; }

.arrive-card__body {
  padding: 1.5rem 1.75rem 1.75rem;
  display: flex; flex-direction: column; gap: 1.25rem;
  flex: 1;
}
.arrive-card__note {
  font-size: 0.88rem;
  color: var(--mist);
  line-height: 1.7;
  padding-left: 0.9rem;
  border-left: 2px solid rgba(0,229,204,0.3);
}

.arrive-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
}
.arrive-table thead th {
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid rgba(201,165,85,0.35);
}
[data-lang="zh"] .arrive-table thead th { letter-spacing: 0.08em; font-size: 0.82rem; text-transform: none; font-family: var(--font-sans-tc); font-weight: 600; }
.arrive-table tbody td {
  padding: 0.65rem 0.75rem;
  border-bottom: 1px dashed rgba(255,255,255,0.06);
  color: var(--pearl);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}
.arrive-table tbody tr:last-child td { border-bottom: none; }
.arrive-table tbody tr:hover td { background: rgba(0,229,204,0.04); }

.arrive-card__links {
  display: flex; flex-direction: column;
  gap: 0.5rem;
  margin-top: auto;
}
.arrive-card__links li { display: block; }
.arrive-card__links a {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 0.25rem 1rem;
  padding: 0.75rem 1rem;
  background: rgba(0,229,204,0.05);
  border: 1px solid rgba(0,229,204,0.18);
  border-radius: 4px;
  text-decoration: none;
  color: var(--pearl);
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.arrive-card__links a::after {
  content: "↗";
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  color: var(--cyan);
  font-size: 1.1rem;
  transition: transform 0.2s ease;
}
.arrive-card__links a:hover {
  background: rgba(0,229,204,0.09);
  border-color: rgba(0,229,204,0.45);
  transform: translateX(2px);
}
.arrive-card__links a:hover::after { transform: translate(2px, -2px); }
.arrive-card__links b {
  grid-column: 1; grid-row: 1;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
[data-lang="zh"] .arrive-card__links b { font-family: var(--font-serif-tc); letter-spacing: 0.04em; }
.arrive-card__links em {
  grid-column: 1; grid-row: 2;
  font-style: normal;
  font-size: 0.8rem;
  color: var(--mist);
  letter-spacing: 0.02em;
}
.arrive-card__links--slim a { padding: 0.55rem 0.85rem; }
.arrive-card__links--slim b { font-size: 0.85rem; }
.arrive-card__links--slim em { font-size: 0.72rem; }

.arrive-card__points {
  display: flex; flex-direction: column; gap: 1rem;
}
.arrive-card__points li {
  display: flex; flex-direction: column; gap: 0.35rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed rgba(201,165,85,0.15);
}
.arrive-card__points li:last-child { border-bottom: none; padding-bottom: 0; }
.arrive-card__points b {
  font-family: var(--font-display);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}
[data-lang="zh"] .arrive-card__points b { font-family: var(--font-serif-tc); letter-spacing: 0.05em; font-weight: 600; text-transform: none; font-size: 0.95rem; }
.arrive-card__points span {
  font-size: 0.88rem;
  color: var(--mist);
  line-height: 1.7;
}

.arrive-note {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.82rem;
  color: var(--mist);
  line-height: 1.7;
  font-style: italic;
  opacity: 0.8;
}

@media (max-width: 1024px) {
  .travel__hero-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 3rem;
  }
  .travel__hero-copy { gap: 2rem; }
  .travel__map { max-width: 720px; align-self: center; }
}
@media (max-width: 960px) {
  .travel__sites { gap: 2.5rem; }
  .travel__map { max-width: 100%; }
  .travel__map-corner { font-size: 0.6rem; }
  .travel__sites-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem 1.5rem; }
  .travel__rooms { grid-template-columns: minmax(0, 1fr); }
  .travel__logistics { grid-template-columns: minmax(0, 1fr); }
  .arrive-grid, .arrive-bottom { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .travel__sites-grid { grid-template-columns: minmax(0, 1fr); }
  .travel__sites-grid i { display: none; }
  .arrive-card__head { padding: 1.25rem 1.25rem 1rem; }
  .arrive-card__body { padding: 1.25rem; gap: 1rem; }
  .arrive-card__meta { gap: 0.85rem 1.25rem; }
  .arrive-card__meta b { font-size: 0.95rem; }
  .arrive-table { font-size: 0.88rem; }
  .arrive-table thead th { padding: 0.4rem 0.5rem; }
  .arrive-table tbody td { padding: 0.55rem 0.5rem; }
  .arrive-card__links a { padding: 0.7rem 0.85rem; }
}

/* -----------------------------------------------------------------
   TRAVEL SUB-SECTION TAG (A / B / C dividers)
   ----------------------------------------------------------------- */
.travel__sub-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem; height: 2.25rem;
  margin-bottom: 1rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--gold-light);
  border: 1px solid var(--gold-light);
  border-radius: 50%;
  letter-spacing: 0;
}

/* -----------------------------------------------------------------
   ISLAND TOURISM
   ----------------------------------------------------------------- */
.travel__island {
  margin: 6rem 0 5rem;
  padding-top: 4rem;
  border-top: 1px solid rgba(0, 229, 204, 0.12);
}
.travel__island-head {
  max-width: 44rem;
  margin-bottom: 3rem;
}
.travel__island-head h3 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 1rem;
}

/* Sub-section block: 景 / 食 chip + heading + lead — used twice */
.travel__island-sub {
  max-width: 44rem;
  margin: 3.5rem 0 1.75rem;
  padding-top: 2rem;
  border-top: 1px dashed rgba(0, 229, 204, 0.18);
}
.travel__island-sub:first-of-type { margin-top: 0; padding-top: 0; border-top: 0; }
.travel__island-sub h4 {
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  margin: 0 0 0.65rem;
  line-height: 1.25;
  color: var(--pearl);
}
.travel__island-sub .lead {
  margin: 0;
  font-size: 0.95rem;
  color: var(--mist);
}
#stay { scroll-margin-top: 6rem; }

/* Stay CTA buttons — direct booking + browse details */
.travel__stay-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 1.25rem;
}
.stay-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  padding: 0.75rem 1.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-radius: 999px;
  transition: transform var(--dur) var(--ease-fluid), box-shadow var(--dur), background-color var(--dur), color var(--dur);
}
.stay-cta-btn--primary {
  background: linear-gradient(120deg, var(--cyan), #4ff6d8);
  color: #00201c;
  box-shadow: 0 10px 28px rgba(0, 229, 204, 0.22);
}
.stay-cta-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(0, 229, 204, 0.32);
}
.stay-cta-btn--ghost {
  background: transparent;
  color: var(--pearl);
  border: 1px solid rgba(0, 229, 204, 0.4);
}
.stay-cta-btn--ghost:hover {
  background: rgba(0, 229, 204, 0.08);
  border-color: var(--cyan);
  color: var(--cyan);
}
@media (max-width: 560px) {
  .travel__stay-cta { flex-direction: column; align-items: stretch; }
  .stay-cta-btn { justify-content: center; }
}
.travel__sub-tag--sm {
  width: 1.75rem; height: 1.75rem;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
  color: var(--cyan);
  border-color: var(--cyan);
  font-family: var(--font-sans-tc);
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0;
}

/* Food variant — warm gold accent + anchor wrap for Google Maps link */
.travel__sites-grid--food li {
  padding: 0;
  display: block;
  border-bottom-color: rgba(228, 188, 114, 0.14);
}
.travel__sites-grid--food li > a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  column-gap: 0.8rem;
  row-gap: 0.15rem;
  padding: 0.85rem 0;
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: padding var(--dur) var(--ease-fluid), transform var(--dur);
  min-width: 0;
}
.travel__sites-grid--food li > a:hover { padding-left: 0.5rem; }
.travel__sites-grid--food li:hover { border-color: var(--gold-light); }
.travel__sites-grid--food li > a:hover > span { color: var(--gold-light); }
.travel__sites-grid--food b { color: var(--cyan); }
.travel__sites-grid--food .site-note { color: var(--fog); }
.travel__sites-grid--food li > a:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
  border-radius: 2px;
}

.travel__island-note {
  margin: 2.5rem 0 0;
  font-size: 0.85rem;
  color: var(--fog);
  letter-spacing: 0.03em;
  font-style: italic;
  opacity: 0.8;
}
[data-lang="zh"] .travel__island-note { letter-spacing: 0.1em; font-style: normal; }

/* -----------------------------------------------------------------
   ISLAND TILES — photo grid for sights (18 attractions)
   ----------------------------------------------------------------- */
.island-tiles {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
  margin: 0 0 3rem;
}
.island-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--navy-mid);
  border: 1px solid rgba(0, 229, 204, 0.1);
  border-radius: 3px;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: transform var(--dur) var(--ease-fluid),
              border-color var(--dur),
              box-shadow var(--dur);
}
.island-tile::after {
  content: "↗";
  position: absolute;
  top: 0.75rem;
  right: 0.85rem;
  width: 1.5rem; height: 1.5rem;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--cyan);
  background: rgba(2, 6, 17, 0.7);
  border: 1px solid rgba(0, 229, 204, 0.4);
  border-radius: 50%;
  backdrop-filter: blur(4px);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity var(--dur), transform var(--dur) var(--ease-fluid);
  z-index: 3;
  pointer-events: none;
}
.island-tile:hover::after,
.island-tile:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}
.island-tile:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.island-tile:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 204, 0.35);
  box-shadow: 0 18px 40px -18px rgba(0, 0, 0, 0.7),
              0 0 0 1px rgba(0, 229, 204, 0.08);
}
.island-tile__img {
  position: relative;
  margin: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background:
    radial-gradient(ellipse at center, rgba(0,229,204,0.12), transparent 70%),
    linear-gradient(135deg, var(--navy) 0%, var(--navy-deep) 100%);
}
.island-tile__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.92) brightness(0.92);
  transition: transform 1.1s var(--ease-fluid), filter var(--dur);
}
.island-tile:hover .island-tile__img img {
  transform: scale(1.06);
  filter: saturate(1.05) brightness(0.98);
}
/* Fallback when image is missing/broken — show scan-line pattern */
.island-tile__img::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(45deg,
      transparent 0 14px,
      rgba(0,229,204,0.04) 14px 15px);
  z-index: 0;
}
.island-tile__img img { position: relative; z-index: 1; }

.island-tile__body {
  padding: 1rem 1.1rem 1.1rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
}
.island-tile__num {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--gold-light);
  letter-spacing: 0.15em;
  margin-bottom: 0.1rem;
}
.island-tile h5 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.25;
  font-weight: 600;
  color: var(--pearl);
  letter-spacing: 0.02em;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
[data-lang="zh"] .island-tile h5 { font-family: var(--font-serif-tc); letter-spacing: 0.06em; }
/* Show both zh + en inside tile h5 regardless of data-lang */
.island-tile h5 .zh-text,
.island-tile h5 .en-text { display: block; }
.island-tile h5 .en-text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.78rem;
  color: var(--dusk);
  letter-spacing: 0.04em;
  font-weight: 400;
}
.island-tile p {
  margin: 0;
  font-size: 0.78rem;
  color: var(--fog);
  line-height: 1.5;
}

@media (max-width: 1100px) {
  .island-tiles { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .island-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.9rem; }
  .island-tile__body { padding: 0.85rem 0.9rem 1rem; }
}
@media (max-width: 420px) {
  .island-tiles { grid-template-columns: minmax(0, 1fr); }
}

.island-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-rows: minmax(14rem, auto);
  gap: 1rem;
}
.island-card {
  position: relative;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid rgba(0, 229, 204, 0.1);
  background: var(--navy-mid);
  transition: transform var(--dur) var(--ease-fluid),
              border-color var(--dur);
  cursor: default;
  min-height: 16rem;
}
.island-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 204, 0.3);
}
.island-card--hero {
  grid-column: span 2;
  grid-row: span 2;
  min-height: 32rem;
}
.island-card__img {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.island-card__img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.85);
  transition: transform 1.4s var(--ease-fluid), filter var(--dur);
}
.island-card:hover .island-card__img img {
  transform: scale(1.06);
  filter: saturate(1) brightness(0.9);
}
.island-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(2,6,17,0.05) 0%, rgba(2,6,17,0.55) 55%, rgba(2,6,17,0.92) 100%);
  pointer-events: none;
}
.island-card__body {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  z-index: 2;
  padding: 1.2rem 1.25rem 1.3rem;
  color: var(--pearl);
}
.island-card__kicker {
  display: inline-block;
  font-size: 0.6rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: 0.6rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid rgba(0,229,204,0.4);
  border-radius: 2px;
}
[data-lang="zh"] .island-card__kicker { letter-spacing: 0.18em; }
.island-card__body h4 {
  font-size: 1.15rem;
  line-height: 1.2;
  margin: 0 0 0.4rem;
  color: var(--pearl);
  letter-spacing: 0.03em;
}
[data-lang="zh"] .island-card__body h4 {
  font-family: var(--font-sans-tc);
  font-weight: 600;
}
.island-card--hero .island-card__body h4 {
  font-size: clamp(1.5rem, 2.2vw, 2rem);
}
.island-card__body p {
  font-size: 0.78rem;
  line-height: 1.55;
  color: rgba(229,236,246,0.8);
  margin: 0;
  letter-spacing: 0.02em;
}
[data-lang="zh"] .island-card__body p { font-family: var(--font-sans-tc); }
.island-card--hero .island-card__body p {
  font-size: 0.9rem;
  line-height: 1.7;
  max-width: 32rem;
}

/* -----------------------------------------------------------------
   TRAVEL GUIDES
   ----------------------------------------------------------------- */
.travel__guides {
  margin: 5rem 0 0;
  padding-top: 4rem;
  border-top: 1px solid rgba(0, 229, 204, 0.12);
}
.travel__guides-head {
  max-width: 44rem;
  margin-bottom: 3rem;
}
.travel__guides-head h3 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 1rem;
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}
.guide-card {
  position: relative;
  padding: 2rem 1.75rem 1.75rem;
  background: linear-gradient(180deg, rgba(12,28,50,0.55), rgba(8,18,34,0.95));
  border: 1px solid rgba(0,229,204,0.12);
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-height: 18rem;
  transition: transform var(--dur), border-color var(--dur), box-shadow var(--dur);
}
.guide-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 204, 0.3);
  box-shadow: 0 24px 48px -22px rgba(0,0,0,0.55);
}
.guide-card--featured {
  border-color: rgba(232, 196, 140, 0.3);
  background: linear-gradient(180deg, rgba(40,30,10,0.45), rgba(20,15,5,0.92));
}
.guide-card--featured:hover {
  border-color: rgba(232, 196, 140, 0.55);
}
.guide-card__days {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 2.8rem;
  font-weight: 400;
  color: var(--gold-light);
  letter-spacing: 0.01em;
  line-height: 1;
}
.guide-card__body { flex: 1; display: flex; flex-direction: column; gap: 0.6rem; }
.guide-card__kicker {
  font-size: 0.65rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--cyan);
}
[data-lang="zh"] .guide-card__kicker { letter-spacing: 0.15em; }
.guide-card__body h4 {
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--pearl);
  margin: 0;
}
[data-lang="zh"] .guide-card__body h4 { font-family: var(--font-sans-tc); font-weight: 600; }
.guide-card__body p {
  font-size: 0.82rem;
  color: var(--fog);
  line-height: 1.65;
  margin: 0;
}
[data-lang="zh"] .guide-card__body p { font-family: var(--font-sans-tc); letter-spacing: 0.03em; }
.guide-card__status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--dusk);
  padding-top: 0.9rem;
  border-top: 1px dashed rgba(0,229,204,0.15);
}
.guide-card__status::before {
  content: "";
  width: 6px; height: 6px;
  background: var(--cyan-dim);
  border-radius: 50%;
  animation: pulseDot 2.5s infinite;
}
[data-lang="zh"] .guide-card__status { letter-spacing: 0.12em; }

@media (max-width: 1024px) {
  .island-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .island-card--hero { grid-column: span 2; grid-row: auto; min-height: 22rem; }
  .guide-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .island-grid { grid-template-columns: minmax(0, 1fr); grid-auto-rows: auto; }
  .island-card--hero { grid-column: auto; min-height: 20rem; }
  .island-card { min-height: 14rem; }
}

/* -----------------------------------------------------------------
   NEWS SUB-BLOCKS (promos / group-trips)
   ----------------------------------------------------------------- */
.news__block { margin-bottom: 5rem; }
.news__block:last-child { margin-bottom: 0; }
.news__block-head {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding-left: 3.5rem;
}
.news__block-tag {
  position: absolute;
  left: 0; top: 0.3rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4rem; height: 2.4rem;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  border-radius: 50%;
}
.news__block-head h3 {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  line-height: 1.2;
  margin: 0;
  color: var(--pearl);
}
[data-lang="zh"] .news__block-head h3 { font-family: var(--font-sans-tc); font-weight: 600; }
.news__block-sub {
  font-size: 0.88rem;
  color: var(--fog);
  margin: 0;
  max-width: 40rem;
  line-height: 1.6;
}

/* =================================================================
   BOOKING CTA
   ================================================================= */
.booking {
  position: relative;
  overflow: hidden;
  background: var(--abyss);
}
.booking__bg {
  position: absolute; inset: 0;
  z-index: 0;
}
.booking__bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.45;
  filter: saturate(1.1) contrast(1.05);
}
.booking__bg::after {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at 50% 50%, transparent, rgba(2,6,17,0.9) 80%),
    linear-gradient(180deg, var(--abyss), transparent 20%, transparent 80%, var(--abyss));
}
.booking__inner { position: relative; z-index: 1; }

.booking__head {
  max-width: 44rem;
  margin-bottom: 4rem;
}
.booking__title {
  font-size: clamp(2.5rem, 5.5vw, 5rem);
  margin: 1rem 0 1.5rem;
  line-height: 1.05;
}
.booking__title em {
  font-style: italic;
  color: var(--cyan);
  font-weight: 400;
}
[data-lang="zh"] .booking__title em {
  font-family: var(--font-serif-tc);
  font-style: normal;
  font-weight: 300;
  letter-spacing: 0.2em;
}

.booking__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
  margin-bottom: 4rem;
}

.contact-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 1.5rem;
  min-width: 0;
  align-items: center;
  padding: 1.75rem 2rem;
  background: rgba(5,13,26,0.7);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0,229,204,0.15);
  border-radius: 6px;
  transition: transform var(--dur) var(--ease-fluid),
              background var(--dur),
              border-color var(--dur);
}
.contact-card:hover {
  transform: translateY(-4px);
  background: rgba(5,13,26,0.85);
  border-color: var(--cyan);
}

.contact-card__icon {
  width: 54px; height: 54px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: rgba(0,229,204,0.12);
  color: var(--cyan);
  border: 1px solid rgba(0,229,204,0.3);
  flex-shrink: 0;
}
.contact-card--line:hover   .contact-card__icon { background: #06c755;  border-color: #06c755;  color: white; }
.contact-card--mobile:hover .contact-card__icon { background: var(--cyan); border-color: var(--cyan); color: var(--navy); }

.contact-card__body {
  display: flex; flex-direction: column;
  gap: 0.2rem;
}
.contact-card__chan {
  font-size: 0.65rem;
  letter-spacing: 0.35em;
  color: var(--cyan);
  text-transform: uppercase;
}
.contact-card__id {
  font-family: var(--font-display);
  font-size: 1.35rem;
  color: var(--pearl);
  letter-spacing: 0.02em;
  font-weight: 500;
}
.contact-card__cta {
  font-size: 0.8rem;
  color: var(--fog);
  margin-top: 0.3rem;
}
.contact-card__arrow {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--fog);
  transition: transform var(--dur) var(--ease-fluid), color var(--dur);
}
.contact-card:hover .contact-card__arrow {
  transform: translateX(6px);
  color: var(--cyan);
}

/* Conditions strip */
.booking__foot {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 2rem;
  padding: 2.5rem 0;
  border-top: 1px solid rgba(0,229,204,0.15);
  border-bottom: 1px solid rgba(0,229,204,0.15);
  position: relative;
}
.booking__foot::before,
.booking__foot::after {
  content: "";
  position: absolute; left: 0; width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.4;
}
.booking__foot::before { top: -1px; }
.booking__foot::after  { bottom: -1px; }

.booking__foot > div {
  display: flex; flex-direction: column;
  gap: 0.3rem;
  padding-left: 1.5rem;
  border-left: 1px solid rgba(0,229,204,0.15);
}
.booking__foot-lbl {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--cyan);
  text-transform: uppercase;
}
.booking__foot-val {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 2rem;
  color: var(--pearl);
  letter-spacing: 0.05em;
}

@media (max-width: 960px) {
  .booking__grid { grid-template-columns: minmax(0, 1fr); }
  .booking__foot { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
}
@media (max-width: 480px) {
  .contact-card { grid-template-columns: auto minmax(0, 1fr); padding: 1.25rem; gap: 1rem; }
  .contact-card__arrow { display: none; }
  .contact-card__id { font-size: 1.1rem; }
  .booking__foot-val { font-size: 1.5rem; }
}

/* =================================================================
   FAQ
   ================================================================= */
.faq {
  background: var(--navy);
  position: relative;
}
.faq__list {
  max-width: 56rem;
  margin-inline: auto;
  display: flex; flex-direction: column;
  gap: 0;
}
.faq__item {
  border-top: 1px solid rgba(0,229,204,0.15);
  padding: 0;
}
.faq__item:last-child { border-bottom: 1px solid rgba(0,229,204,0.15); }
.faq__item[open] { background: rgba(0,229,204,0.02); }

.faq__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.75rem 0.5rem;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease-fluid);
  min-width: 0;
}
.faq__q > span:not(.faq__idx):not(.faq__toggle) { min-width: 0; overflow-wrap: anywhere; }
.faq__q::-webkit-details-marker { display: none; }
.faq__q:hover { background: rgba(0,229,204,0.04); }
.faq__idx {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-style: italic;
  color: var(--gold-light);
  letter-spacing: 0.1em;
  width: 2.5rem;
}
.faq__q > span:not(.faq__idx):not(.faq__toggle) {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  color: var(--pearl);
  line-height: 1.4;
  font-weight: 400;
}
[data-lang="zh"] .faq__q > span:not(.faq__idx):not(.faq__toggle) {
  font-family: var(--font-serif-tc);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.faq__toggle {
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border: 1px solid rgba(0,229,204,0.25);
  border-radius: 50%;
  color: var(--cyan);
  font-size: 1.25rem;
  line-height: 1;
  transition: transform var(--dur) var(--ease-fluid), background var(--dur);
}
.faq__item[open] .faq__toggle {
  transform: rotate(45deg);
  background: var(--cyan);
  color: var(--navy);
  border-color: var(--cyan);
}

.faq__a {
  padding: 0 0.5rem 2rem 4rem;
}
.faq__a p {
  font-size: 0.95rem;
  color: var(--mist);
  line-height: 1.8;
  max-width: 48rem;
}

@media (max-width: 640px) {
  .faq__a { padding-left: 0.5rem; }
  .faq__q { gap: 1rem; }
}

/* =================================================================
   FOOTER
   ================================================================= */
.foot {
  background: var(--abyss);
  position: relative;
  padding: 5rem 0 2.5rem;
  border-top: 1px solid rgba(0,229,204,0.1);
}
.foot::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.3;
}

.foot__top {
  display: grid;
  grid-template-columns: minmax(16rem, 1fr) minmax(0, 3fr);
  gap: 3.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(0,229,204,0.08);
  margin-bottom: 2.5rem;
}

.foot__brand {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
}
.foot__brand-link {
  display: flex;
  gap: 1rem;
  align-items: center;
  color: inherit;
  text-decoration: none;
  transition: opacity var(--dur) var(--ease-fluid);
}
.foot__brand-link:hover { opacity: 0.85; }
.foot__brand img {
  width: 60px; height: 60px;
  background: var(--pearl);
  border-radius: 50%;
  padding: 5px;
  flex-shrink: 0;
}
.foot__brand-text { min-width: 0; }
.foot__brand-zh {
  font-family: var(--font-serif-tc);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--pearl);
  letter-spacing: 0.14em;
  line-height: 1.3;
}
.foot__brand-en {
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.22em;
  color: var(--cyan);
  margin-top: 0.15rem;
}
.foot__brand-small {
  font-family: var(--font-display);
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  color: var(--dusk);
  margin-top: 0.3rem;
}
.foot__brand-desc {
  font-size: 0.8rem;
  color: var(--fog);
  letter-spacing: 0.08em;
  line-height: 1.65;
}
.foot__cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  align-self: flex-start;
  padding: 0.7rem 1.3rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--abyss);
  background: var(--cyan);
  border-radius: 999px;
  text-decoration: none;
  transition: transform var(--dur) var(--ease-fluid), box-shadow var(--dur) var(--ease-fluid);
  box-shadow: 0 8px 24px -8px rgba(0, 229, 204, 0.5);
}
.foot__cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -8px rgba(0, 229, 204, 0.7);
}
.foot__cta .arrow { transition: transform var(--dur) var(--ease-fluid); }
.foot__cta:hover .arrow { transform: translateX(3px); }
[data-lang="zh"] .foot__cta { font-family: var(--font-serif-tc); letter-spacing: 0.15em; }

.foot__nav {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1.5rem;
}
.foot__nav > div { display: flex; flex-direction: column; gap: 0.55rem; min-width: 0; }
.foot__nav-h {
  position: relative;
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-bottom: 0.9rem;
  padding-bottom: 0.6rem;
}
[data-lang="zh"] .foot__nav-h {
  font-family: var(--font-serif-tc);
  font-size: 0.85rem;
  letter-spacing: 0.22em;
  text-transform: none;
}
.foot__nav-h::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 1.5rem; height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}
.foot__nav a {
  font-size: 0.82rem;
  color: var(--mist);
  transition: color var(--dur) var(--ease-fluid), padding var(--dur);
  line-height: 1.5;
  word-break: break-word;
}
.foot__nav a:hover { color: var(--cyan); padding-left: 0.4rem; }

.foot__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.foot__social {
  display: flex;
  gap: 1.5rem;
}
.foot__social a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--fog);
  transition: color var(--dur) var(--ease-fluid);
}
.foot__social a:hover { color: var(--cyan); }
.foot__copy {
  font-size: 0.75rem;
  color: var(--dusk);
  letter-spacing: 0.1em;
}
.foot__creed {
  font-size: 0.85rem;
  color: var(--gold-light);
  font-family: var(--font-display);
  font-style: italic;
  letter-spacing: 0.05em;
  text-align: right;
  max-width: 20rem;
}
[data-lang="zh"] .foot__creed em {
  font-family: var(--font-serif-tc);
  font-style: normal;
  letter-spacing: 0.15em;
}

@media (max-width: 1200px) {
  .foot__nav { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem 1.5rem; }
}
@media (max-width: 960px) {
  .foot__top { grid-template-columns: minmax(0, 1fr); gap: 2.5rem; }
  .foot__nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .foot__bottom { justify-content: flex-start; }
  .foot__creed { text-align: left; }
}
@media (max-width: 680px) {
  .foot__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 480px) {
  .foot__brand img { width: 54px; height: 54px; }
  .foot__brand-zh { font-size: 1.05rem; letter-spacing: 0.1em; }
  .foot__brand-en { font-size: 0.9rem; letter-spacing: 0.15em; }
  .foot__brand-small { font-size: 0.6rem; letter-spacing: 0.22em; }
  .foot__cta { font-size: 0.72rem; padding: 0.6rem 1.1rem; }
  .foot__nav { gap: 1.5rem 1rem; }
  .foot__nav a { font-size: 0.82rem; }
  .foot__social { flex-wrap: wrap; gap: 1rem; }
}

/* =================================================================
   MOBILE SAFETY — prevent horizontal overflow on 360–480 px viewports
   These rules are applied last so they take precedence.
   ================================================================= */
body { max-width: 100vw; }

@media (max-width: 768px) {
  /* Universal: grid items cannot have implicit min-width: auto */
  section, .container { max-width: 100%; }
  img, picture, video, canvas, svg { max-width: 100%; height: auto; }

  /* Tame wide letter-spacing on Chinese/uppercase labels that can
     force unshrinkable content wider than narrow grid columns */
  .eyebrow,
  .about__stat-label,
  .team-trust__no,
  .team-trust__title,
  .team-trust__sub,
  .news-card__kicker,
  .news-card__meta,
  .dive-card__kicker,
  .dive-card__spec .k,
  .room-card__kicker,
  .room-card__amen li > span,
  .travel__sites-grid b,
  .travel__box-k,
  .arrive-card__tag,
  .arrive-card__links b,
  .arrive-card__points b,
  .booking__foot-lbl,
  .contact-card__chan,
  .foot__nav-h { letter-spacing: 0.08em; }

  /* Cards: allow any unwrappable text (URLs, English names) to break */
  .room-card, .news-card, .dive-card, .arrive-card,
  .contact-card, .guide-card, .island-card, .island-tile,
  .about__stat, .team-trust__item, .travel__box, .foot__nav {
    min-width: 0;
  }

  /* Body text only — allow aggressive wrap so long URLs/English words break.
     Titles intentionally excluded so Chinese doesn't fragment. */
  .room-card__desc,
  .news-card__excerpt,
  .dive-card__desc,
  .arrive-card__meta, .arrive-card__points span,
  .crew-lead__bio,
  .foot__brand-desc,
  .about__body, .about__tag,
  .about__team-lede {
    overflow-wrap: anywhere;
    word-break: break-word;
    min-width: 0;
  }

  /* Titles: only need min-width: 0 so they can shrink; let natural CJK
     line-break handle wrapping (no overflow-wrap: anywhere — that fragments Chinese). */
  .room-card h4,
  .news-card__title,
  .dive-card__title, .dive-card__head h3,
  .arrive-card__head h4,
  .contact-card__id,
  .crew-lead__name,
  .faq__q > span,
  .booking__foot-val,
  .about__title,
  .about__team-title,
  .travel__box h4,
  .guide-card__body h4,
  .island-card__body h4,
  .news__block-head h3,
  .travel__sites-head h3,
  .travel__resort-head h3,
  .travel__arrive-head h3,
  .travel__island-head h3,
  .travel__island-sub h4,
  .courses__pitch-title {
    min-width: 0;
    line-break: strict;
    word-break: normal;
    overflow-wrap: break-word;
  }

  /* Buttons: allow wrap so long CTAs don't force their container wider */
  .btn { white-space: normal; text-align: center; line-height: 1.3; }
}

@media (max-width: 560px) {
  /* Card titles: shrink + tighten letter-spacing so more chars per line.
     Target 24px (1.5rem) baseline for card h3/h4. */
  .room-card h4,
  .news-card__title,
  .dive-card__head h3,
  .arrive-card__head h4,
  .travel__box h4,
  .guide-card__body h4,
  .news__block-head h3,
  .courses__pitch-title,
  .travel__sites-head h3,
  .travel__resort-head h3,
  .travel__arrive-head h3,
  .travel__island-head h3,
  .travel__island-sub h4,
  .about__title,
  .about__team-title,
  .crew-lead__name {
    font-size: clamp(1.25rem, 4.8vw, 1.5rem);
    line-height: 1.4;
  }
  [data-lang="zh"] .room-card h4,
  [data-lang="zh"] .news-card__title,
  [data-lang="zh"] .dive-card__head h3,
  [data-lang="zh"] .arrive-card__head h4,
  [data-lang="zh"] .travel__box h4,
  [data-lang="zh"] .guide-card__body h4,
  [data-lang="zh"] .news__block-head h3,
  [data-lang="zh"] .courses__pitch-title,
  [data-lang="zh"] .travel__sites-head h3,
  [data-lang="zh"] .travel__resort-head h3,
  [data-lang="zh"] .travel__arrive-head h3,
  [data-lang="zh"] .travel__island-head h3,
  [data-lang="zh"] .travel__island-sub h4,
  [data-lang="zh"] .about__title,
  [data-lang="zh"] .about__team-title,
  [data-lang="zh"] .crew-lead__name {
    letter-spacing: 0.02em;
  }
  /* News hero card title was 1.75rem — shrink too */
  .news-card--hero .news-card__title { font-size: clamp(1.35rem, 5vw, 1.6rem); }
}

@media (max-width: 480px) {
  /* Narrower gutters on phones so container isn't pinched too tight */
  :root { --gutter: clamp(1rem, 4vw, 1.5rem); }

  /* Reduce padding on cards that eat width */
  .room-card__body { padding: 1.25rem 1rem; }
  .arrive-card__body { padding: 1rem; }
  .dive-card__body { padding: 1rem 1rem 1.25rem; }
  .contact-card { padding: 1.1rem 1rem; gap: 0.85rem; }
  .crew-lead { padding: 1.25rem; }

  /* Further tighten letter-spacing on very narrow screens */
  .about__stat-label { letter-spacing: 0.04em; font-size: 0.72rem; }
  .about__stat-unit { letter-spacing: 0.06em; }
  .about__stat-num { font-size: clamp(1.9rem, 9vw, 2.6rem); }
  .about__stat { padding-left: 0.6rem; }

  /* Section headings shouldn't be massive on phones */
  .section-head h2, .display { font-size: clamp(2rem, 8.5vw, 3rem); }

  /* Touch targets ≥44px */
  .btn, .nav__sub-link, .room-card__cta, .contact-card, .arrive-card__links a {
    min-height: 44px;
  }
}

@media (max-width: 380px) {
  .about__stats { grid-template-columns: minmax(0, 1fr); gap: 1.25rem 0; }
  .about__stat { padding-left: 0.5rem; }
  .about__stat-num { font-size: 2rem; }
}

/* =================================================================
   BACK TO TOP — "SURFACE" (上浮) · dive-themed rising bubble
   ================================================================= */
.back-to-top {
  position: fixed;
  right: clamp(1rem, 2.5vw, 2rem);
  bottom: clamp(1rem, 2.5vw, 2rem);
  z-index: 90;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(0, 229, 204, 0.4);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 35%, rgba(0, 229, 204, 0.18), transparent 65%),
    linear-gradient(180deg, rgba(10, 22, 40, 0.92), rgba(2, 6, 17, 0.95));
  color: var(--cyan);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.4s var(--ease-fluid),
              visibility 0.4s,
              transform 0.4s var(--ease-fluid),
              box-shadow 0.3s var(--ease-fluid),
              border-color 0.3s,
              background 0.3s;
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  box-shadow:
    0 12px 30px -10px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(0, 229, 204, 0.08),
    inset 0 0 20px rgba(0, 229, 204, 0.06);
}
.back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

/* Pulsing depth ring — feels like sonar ping */
.back-to-top__ring {
  position: absolute;
  inset: -2px;
  border: 1px solid rgba(0, 229, 204, 0.3);
  border-radius: 50%;
  opacity: 0;
  animation: btt-sonar 2.8s ease-out infinite;
  pointer-events: none;
}
@keyframes btt-sonar {
  0%   { transform: scale(0.95); opacity: 0.55; }
  70%  { transform: scale(1.25); opacity: 0; }
  100% { transform: scale(1.25); opacity: 0; }
}

/* Rising bubbles — ambient until hover speeds them up */
.back-to-top__bubble {
  position: absolute;
  left: 50%;
  bottom: 6px;
  width: 6px;
  height: 6px;
  margin-left: -3px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(255,255,255,0.85), rgba(0, 229, 204, 0.35) 55%, transparent 75%);
  box-shadow: 0 0 6px rgba(0, 229, 204, 0.4);
  opacity: 0;
  pointer-events: none;
  animation: btt-rise 3.6s linear infinite;
}
.back-to-top__bubble--sm {
  width: 4px; height: 4px; margin-left: -10px;
  animation-delay: 1.1s;
  animation-duration: 3.2s;
}
.back-to-top__bubble--xs {
  width: 3px; height: 3px; margin-left: 6px;
  animation-delay: 2.2s;
  animation-duration: 4s;
}
@keyframes btt-rise {
  0%   { transform: translateY(0) scale(0.6); opacity: 0; }
  15%  { opacity: 0.9; }
  60%  { opacity: 0.7; }
  100% { transform: translateY(-42px) scale(1); opacity: 0; }
}

/* Arrow — drawn thin, italic-ish via rotation feel */
.back-to-top__arrow {
  position: relative;
  z-index: 2;
  transition: transform 0.35s var(--ease-fluid);
}

/* SURFACE / 上浮 label — tucked under, uppercase */
.back-to-top__label {
  position: absolute;
  bottom: -1.4rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 0.62rem;
  letter-spacing: 0.35em;
  color: var(--cyan-dim);
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  transition: opacity 0.3s var(--ease-fluid), bottom 0.3s var(--ease-fluid);
  pointer-events: none;
}
[data-lang="zh"] .back-to-top__label {
  font-family: var(--font-sans-tc);
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.25em;
  font-size: 0.66rem;
}

/* Hover — breach the surface */
.back-to-top:hover {
  border-color: var(--cyan);
  background:
    radial-gradient(circle at 50% 35%, rgba(0, 229, 204, 0.28), transparent 65%),
    linear-gradient(180deg, rgba(12, 30, 56, 0.95), rgba(4, 10, 22, 0.98));
  box-shadow:
    0 20px 40px -12px rgba(0, 0, 0, 0.7),
    0 0 40px -5px rgba(0, 229, 204, 0.45),
    0 0 0 1px rgba(0, 229, 204, 0.25),
    inset 0 0 30px rgba(0, 229, 204, 0.1);
}
.back-to-top:hover .back-to-top__arrow {
  transform: translateY(-3px);
  color: var(--pearl);
}
.back-to-top:hover .back-to-top__bubble {
  animation-duration: 1.4s;
}
.back-to-top:hover .back-to-top__bubble--sm { animation-duration: 1.2s; }
.back-to-top:hover .back-to-top__bubble--xs { animation-duration: 1.6s; }
.back-to-top:hover .back-to-top__label {
  opacity: 1;
  bottom: -1.7rem;
}

.back-to-top:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}
.back-to-top:active .back-to-top__arrow {
  transform: translateY(-6px) scale(0.9);
}

@media (max-width: 560px) {
  .back-to-top {
    width: 48px;
    height: 48px;
    right: 1rem;
    bottom: 1rem;
  }
  .back-to-top__arrow { width: 16px; height: 16px; }
  .back-to-top__label { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .back-to-top__ring,
  .back-to-top__bubble { animation: none; opacity: 0; }
  .back-to-top { transition: opacity 0.2s linear, visibility 0.2s; }
}