:root{
  --ink:#131a3a;
  --ink-deep:#0c1226;
  --navy:#23316e;
  --paper:#f6f2ea;
  --paper-2:#fffdf7;
  --line:#e4ddcc;
  --line-dark:rgba(246,242,234,.13);
  --muted:#667089;
  --muted-dark:#9aa3c0;
  --gold:#b9903f;
  --gold-bright:#d9b36c;
  --gold-soft:#f4ecdb;
  --green:#2f7d46;   --green-soft:#e6f1e9;
  --red:#c5402f;     --red-soft:#f9e9e5;
  --magenta:#a83a6e; --magenta-soft:#f7e9f0;
  --blue:#2b6ea6;    --blue-soft:#e7f0f7;
  --purple:#5a4d9e;  --purple-soft:#edebf7;
  --radius:12px;
  --serif:"Fraunces","Iowan Old Style",Georgia,serif;
  --sans:"Instrument Sans",-apple-system,"Segoe UI",sans-serif;
  --shadow:0 14px 34px rgba(19,26,58,.10);
  --ease:cubic-bezier(.22,.9,.28,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{
  font-family:var(--sans);
  color:#2e3547;background:var(--paper);line-height:1.65;
  -webkit-text-size-adjust:100%;overflow-x:hidden;
}
/* film-grain atmosphere (desktop only) */
body::after{
  content:"";position:fixed;inset:0;z-index:2000;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
/* touch devices: drop the fixed grain + nav blur that cause scroll jank */
@media (hover:none) and (pointer:coarse){
  body::after{display:none}
  header.nav{background:rgba(246,242,234,.97);backdrop-filter:none;-webkit-backdrop-filter:none}
  .modal-overlay{background:rgba(12,18,38,.82);backdrop-filter:none;-webkit-backdrop-filter:none}
}
::selection{background:var(--gold);color:#fff}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}
img{max-width:100%;display:block;height:auto}
a{color:var(--navy)}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.wrap span{padding:6px 12px 6px 20px;} 
/* touch polish */
a,button,input,.card{-webkit-tap-highlight-color:transparent}
.btn,.chip,nav.links a,.m-close,.card{touch-action:manipulation}
.sec-head h2,.about-block h3, .card h4,.contact-inner h2,.hero h1 .big{text-wrap:balance}

/* scroll reveal */
.reveal{opacity:0}
.reveal.in{animation:revealUp .85s var(--ease) both;animation-delay:var(--rd,0s)}
.reveal.done{opacity:1}
@keyframes revealUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1}
  .reveal.in{animation:none}
  .hero-load>*,.hero-figure.hero-load{animation:none!important;opacity:1!important;transform:none!important;}
  .ticker-track{animation:none}
}

/* ---------- Nav ---------- */
header.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(246,242,234,.86);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--gold),var(--gold-bright));
}

.hkiap_logo{
  width: 90px;
  min-width: 90px;
}/*
.hkiap_name{
  width: 100%;
  min-width: 160px;
  max-width: 200px;
}*/
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:88px;max-width:100%; /*max-width:1280px*/}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand .mark{width:10px;height:10px;background:var(--gold);transform:rotate(45deg);flex:none}
.brand b{/*font-family:var(--sans); font-weight:640;color:var(--ink); letter-spacing: .12em; */ font-weight: 600;  letter-spacing: .06em;  text-transform: uppercase; color:#4d5568; font-size:1.2rem; line-height: 1.2em;}
.brand span{
  color:var(--muted);font-size:.66rem;font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;border-left:1px solid var(--line);padding-left:12px;white-space:nowrap;
}
nav.links{
  display:flex;
  gap:24px;
  margin-left: auto; /* 將導覽連結推送到右側，與語言切換器緊鄰 */
  margin-right: 24px;
}
nav.links a{
  position:relative;text-decoration:none;color:#4d5568;font-size:.76rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;padding:6px 0;transition:color .2s;white-space:nowrap;
}
nav.links a::after{
  content:"";position:absolute;left:0;bottom:0;height:1.5px;width:100%;
  background:var(--gold);transform:scaleX(0);transform-origin:right;transition:transform .3s var(--ease);
}
nav.links a:hover{color:var(--ink)}
nav.links a:hover::after{transform:scaleX(1);transform-origin:left}
.nav-toggle{display:none;background:none;border:none;font-size:1.6rem;color:var(--ink);cursor:pointer}

/* ---------- Language Switcher ---------- */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: .08em;
}
.lang-switcher a {
  text-decoration: none;
  color: var(--muted);
  padding: 4px 8px;
  border-radius: 4px;
  transition: .2s;
}
.lang-switcher a:hover {
  color: var(--ink);
}
.lang-switcher a.active {
  color: #fff;
  background: var(--gold);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:var(--paper);
  background:
    radial-gradient(1000px 620px at 82% -18%, rgba(185,144,63,.20) 0%, transparent 62%),
    radial-gradient(880px 640px at -12% 108%, rgba(90,77,158,.24) 0%, transparent 58%),
    linear-gradient(155deg,#1a2450 0%,#131a3a 52%,#0c1226 100%);
}
.hero-inner{
  position:relative;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
  padding:88px 40px 84px;
  z-index: 40;
}
.hero-load>*{opacity:0;transform:translateY(24px);animation:rise .9s var(--ease) forwards}
.hero-load>*:nth-child(1){animation-delay:.05s}
.hero-load>*:nth-child(2){animation-delay:.16s}
.hero-load>*:nth-child(3){animation-delay:.28s}
.hero-load>*:nth-child(4){animation-delay:.40s}
.hero-load>*:nth-child(5){animation-delay:.52s}
.hero-figure.hero-load{opacity:0;transform:translateY(24px);animation:rise 1s var(--ease) .35s forwards;}
@keyframes rise{to{opacity:1;transform:none}}
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;font-size:.72rem;font-weight:600;
  letter-spacing:.26em;text-transform:uppercase;color:var(--gold-bright);margin-bottom:22px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--gold)}
.hero h1 .lead{
  display:block;font-size:clamp(.78rem,1.1vw,.92rem);font-weight:600;
  letter-spacing:.3em;text-transform:uppercase;color:var(--muted-dark);margin-bottom:16px;
}
.hero h1 .big{
  display:block;font-family:var(--serif);font-weight:560;line-height:1.02;
  font-size:clamp(2.7rem,5.6vw,4.5rem);letter-spacing:.005em;color:#fdfbf5;
}
.hero h1 .big em{font-style:italic;font-weight:430;color:var(--gold-bright);  text-shadow: #000 3px 3px 10px;}
.hero h1 .gold{color:var(--gold-bright)}
.hero p.tagline{margin-top:24px;font-size:1.03rem;color:#dfe6ff /*#c3c9dd*/;max-width:33rem; text-shadow: #000 3px 3px 10px;}
.hero p.tagline b{color:#fff;font-weight:700}
.cta-row{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 30px;
  border-radius:999px;text-decoration:none;font-weight:700;font-size:.9rem;letter-spacing:.04em;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s,color .25s,border-color .25s;
}
.btn.primary{
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:#1a1408;
  box-shadow:0 10px 26px rgba(185,144,63,.32);
}
.btn.primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(185,144,63,.45)}
.btn.ghost{border:1.5px solid rgba(246,242,234,.4);color:var(--paper)}
.btn.ghost:hover{border-color:var(--paper);background:rgba(246,242,234,.08);transform:translateY(-2px)}
.hero-figure{position:relative;justify-self:end;max-width:430px;width:100%}
.hero-art{
  position:relative;display:block;border-radius:8px;overflow:hidden;
  transform:rotate(2.2deg);transition:transform .5s var(--ease);
  box-shadow:0 40px 80px rgba(0,0,0,.5);
}
.hero-art:hover{transform:rotate(0) scale(1.015)}
.hero-figure::before{
  content:"";position:absolute;inset:-16px 16px 16px -16px;border:1px solid rgba(217,179,108,.5);
  border-radius:10px;transform:rotate(2.2deg);transition:transform .5s var(--ease);pointer-events:none;
}
.hero-figure:hover::before{transform:rotate(0)}
.hero-caption{
  margin-top:24px;font-size:.68rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted-dark);text-align:right;
}
.hero-caption b{color:var(--gold-bright);font-weight:600}
.stats{
  position:relative;display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--line-dark);
  margin:  0 auto;
  z-index: 2;
}
.stats a{
  text-decoration: none;
  color: #fff;
}
.stat{padding:28px 24px 32px; text-align: center;}
.stat+.stat{border-left:1px solid var(--line-dark)}
.stat .n{font-family:var(--serif);font-weight:560;font-size:3rem;line-height:1;color:var(--gold-bright); text-shadow: #000 3px 3px 10px;}
.stat .l{margin-top:8px;font-size:.66rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase; text-shadow: #000 3px 3px 10px;}

/* ---------- Streams ticker ---------- */
.ticker{overflow:hidden;background:var(--paper-2);border-bottom:1px solid var(--line);padding:15px 0}
.ticker-track{display:flex;width:max-content;animation:ticker 36s linear infinite}
.ticker:hover .ticker-track{animation-play-state:paused}
.ticker-track span{
  display:inline-flex;align-items:center;gap:44px;padding-right:44px;white-space:nowrap;
  font-family:var(--serif);font-size:1.02rem;font-weight:520;color:var(--navy);
}
.ticker-track span::after{content:"";width:7px;height:7px;background:var(--gold);transform:rotate(45deg);opacity:.7}
@keyframes ticker{to{transform:translateX(-50%)}}

/* ---------- Sections ---------- */
section{padding:92px 0}
.sec-head{
  display:flex;justify-content:space-between;align-items:flex-end;gap:36px;
  margin-bottom:52px;padding-bottom:30px;border-bottom:1px solid var(--line);
}
.sec-head h2{
  font-family:var(--serif);font-weight:560;color:var(--ink);letter-spacing:.005em;
  font-size:clamp(1.9rem,3.4vw,2.7rem);line-height:1.12;margin-bottom:12px;
}
.sec-head h2 em{font-style:italic;font-weight:440;color:var(--gold)}
.sec-head p{color:#565e70;max-width:44rem;}
.sec-no{
  flex:none;font-family:var(--serif);font-style:italic;font-weight:430;line-height:.9;
  font-size:clamp(3rem,5vw,4.6rem);color:transparent;-webkit-text-stroke:1px rgba(35,49,110,.34);
}
.kicker{
  display:inline-flex;align-items:center;gap:12px;font-size:.72rem;font-weight:600;
  letter-spacing:.26em;text-transform:uppercase;color:var(--gold);margin-bottom:14px;
}
.kicker::before{content:"";width:26px;height:1px;background:var(--gold)}

/* ---------- About ---------- */
#about{background-color:var(--paper-2); background: url(../img/watercolor.png);background-repeat: no-repeat;background-position: top left;background-size: cover; min-height: 640px;}
.about-block{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.about-block h3{
  font-family:var(--serif);font-weight:580;color:var(--ink);
  font-size:clamp(1.4rem,2.2vw,1.8rem);line-height:1.22;margin-bottom:16px;
}
.about-block p{color:#4d5568;margin-bottom:14px; text-align: justify;}
.about-block p a{font-weight:700;text-decoration-color:var(--gold);text-underline-offset:3px;}
.about-block .art{position:relative; margin: auto auto;}
.about-block .art a{display:block;border-radius:8px;overflow:hidden;/*box-shadow:var(--shadow)*/}
.about-block .art::before{
  content:"";position:absolute;inset:-12px 12px 12px -12px;border:1px solid var(--line);
  border-radius:10px;pointer-events:none;
}
#about h2, #programmes h2{
  font-family: var(--serif);
  font-weight: 560;
  color: var(--ink);
  letter-spacing: .005em;
  font-size: clamp(1.9rem,3.4vw,2.7rem);
  line-height: 1.4;
  margin-bottom: 12px;
}
#about h2 em, #programmes h2 em{
   color: var(--gold);
}
/*
#programmes{background-color:var(--paper-2); background: url(../img/watercolor.png);background-repeat: no-repeat;background-position: top left;background-size: cover; min-height: 640px;}*/
/* ---------- Catalogue ---------- */
#capacity{background:var(--paper)}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.chip{
  border:1.5px solid var(--line);background:var(--paper-2);color:#4d5568;
  padding:9px 18px;border-radius:999px;font-size:.78rem;font-weight:600;letter-spacing:.06em;
  cursor:pointer;transition:all .2s var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-1px)}
.chip.active{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.chip.active[data-cat="cld"]{background:var(--green);border-color:var(--green)}
.chip.active[data-cat="cta"]{background:var(--red);border-color:var(--red)}
.chip.active[data-cat="ct"]{background:var(--magenta);border-color:var(--magenta)}
.chip.active[data-cat="cii"]{background:var(--blue);border-color:var(--blue)}
.chip.active[data-cat="ps"]{background:var(--purple);border-color:var(--purple)}
.search-row{margin:4px 0 130px;position:relative;width: 100%;max-width:440px; }
.search-row input{
  width:100%;padding:13px 20px 13px 46px;border-radius:999px;
  border:1.5px solid var(--line);font-size:.92rem;font-family:var(--sans);
  outline:none;background:var(--paper-2);color:var(--ink);transition:border-color .2s,box-shadow .2s;
}
.search-row input:focus{border-color:var(--gold);box-shadow:0 0 0 4px rgba(185,144,63,.14)}
.search-row::before{
  content:"";position:absolute;left:19px;top:44%;width:13px;height:13px;margin-top:-8px;
  border:2px solid var(--muted);border-radius:50%;pointer-events:none;
}
.search-row::after{
  content:"";position:absolute;left:32px;top:calc(44% + 8px);width:8px;height:2px;
  background:var(--muted);transform:rotate(45deg);pointer-events:none;
}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  position:relative;background:var(--paper-2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:0 6px 18px rgba(19,26,58,.05);
  cursor:pointer;transition:transform .35s var(--ease),box-shadow .35s var(--ease);
  display:flex;flex-direction:column;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:2;background:var(--navy);
  transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease);
}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 48px rgba(19,26,58,.15)}
.card:hover::before{transform:scaleX(1)}
.card .thumb{aspect-ratio:16/10;overflow:hidden;border-bottom:1px solid var(--line)}
.card .thumb img{width:100%;height:100%;object-fit:cover;object-position:top;transition:transform .7s var(--ease)}
.card:hover .thumb img{transform:scale(1.06)}
.card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1; background: url(../img/watercolor.png);background-repeat: no-repeat;background-position: top left;background-size: cover; }
.thumb-title{padding-top:0px;}
.cat-tag{
  align-self:flex-start;font-size:.64rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;padding:5px 12px;border-radius:999px;margin-bottom:12px;    
}
.thumb-cat{border-radius:0;margin-left:-2.2em;}
.card h4{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:1.16rem;line-height:1.3;margin-bottom:6px}
.code{font-size:.68rem;font-weight:600;color:var(--muted);letter-spacing:.12em;text-transform:uppercase}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:16px}
.meta span{
  font-size:.72rem;font-weight:600;color:var(--navy);border:1px solid var(--line);
  padding:4px 12px;border-radius:999px;
}
.card .more{
  margin-top:16px;font-size:.76rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--navy);display:inline-flex;align-items:center;gap:8px;
}
.card .more i{font-style:normal;display:inline-block;transition:transform .3s var(--ease)}
.card:hover .more i{transform:translateX(5px)}
/* per-category accents */
.card[data-cat="cld"]::before{background:var(--green)}   .card[data-cat="cld"] .cat-tag{background:var(--green-soft);color:var(--green)}
.card[data-cat="cta"]::before{background:var(--red)}     .card[data-cat="cta"] .cat-tag{background:var(--red-soft);color:var(--red)}
.card[data-cat="ct"]::before{background:var(--magenta)}  .card[data-cat="ct"] .cat-tag{background:var(--magenta-soft);color:var(--magenta)}
.card[data-cat="cii"]::before{background:var(--blue)}    .card[data-cat="cii"] .cat-tag{background:var(--blue-soft);color:var(--blue)}
.card[data-cat="ps"]::before{background:var(--purple)}   .card[data-cat="ps"] .cat-tag{background:var(--purple-soft);color:var(--purple)}
.card[data-cat="co"]::before{background:var(--gold)}     .card[data-cat="co"] .cat-tag{background:var(--gold-soft);color:#8a6d26}
.empty-note{color:var(--muted);padding:30px 4px;display:none}

/* ---------- Collaborative ---------- */
#collaborative{background:var(--paper-2)}

/* ---------- Flipbook ---------- */
#flipbook{background:var(--ink-deep);color:var(--paper);overflow:hidden}
#flipbook .kicker{color:var(--gold-bright)}
#flipbook .sec-head{border-color:var(--line-dark)}
#flipbook .sec-head h2{color:#fdfbf5}
#flipbook .sec-head h2 em{color:var(--gold-bright)}
#flipbook .sec-head p{color:var(--muted-dark)}
#flipbook .sec-head a{color:var(--gold-bright);font-weight:600}
#flipbook .sec-no{-webkit-text-stroke:1px rgba(246,242,234,.3)}
.flip-stage{max-width:1600px;margin:0 auto}
.flipbook{
  position:relative;aspect-ratio:2/1;perspective:2600px;user-select:none;
  transition:transform .8s var(--ease);
}
.flipbook.closed-start{transform:translateX(-25%)}
.flipbook.closed-end{transform:translateX(25%)}
.flipbook.single{aspect-ratio:1/1;max-width:520px;margin:0 auto}
.flipbook.single.closed-start,.flipbook.single.closed-end{transform:none}
.flipbook::after{
  content:"";position:absolute;top:0;bottom:0;left:50%;width:1px;z-index:999;
  background:rgba(0,0,0,.22);pointer-events:none;
}
.flipbook.single::after{display:none}
.book-page{
  position:absolute;top:0;bottom:0;left:50%;width:50%;cursor:pointer;
  transform-style:preserve-3d;transform-origin:left center;
  transition:transform .8s var(--ease);
}
.flipbook.single .book-page{left:0;width:100%}
.book-page.flipped{transform:rotateY(-180deg);pointer-events:none}
.book-face{
  position:absolute;inset:0;overflow:hidden;background:#fdfcf8;border-radius:2px;
  backface-visibility:hidden;-webkit-backface-visibility:hidden;
  box-shadow:0 24px 60px rgba(0,0,0,.45);
}
.book-face.back{transform:rotateY(180deg)}
.book-face img{width:100%;height:100%;object-fit:cover;display:block}
.flip-controls{display:flex;align-items:center;justify-content:center;gap:22px;margin-top:34px}
.flip-controls button{
  font-family:var(--sans);font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  background:none;border:1px solid var(--line-dark);color:var(--paper);
  padding:12px 24px;border-radius:999px;cursor:pointer;
  transition:border-color .25s var(--ease),color .25s var(--ease);
}
.flip-controls button:hover:not(:disabled){border-color:var(--gold-bright);color:var(--gold-bright)}
.flip-controls button:disabled{opacity:.32;cursor:default}
#flipStatus{font-size:.82rem;letter-spacing:.1em;color:var(--muted-dark);min-width:150px;text-align:center}
.flip-hint{text-align:center;margin-top:16px;font-size:.8rem;color:var(--muted-dark)}

/* ---------- How to apply ---------- */
.apply-line{
  font-family:var(--serif);font-size:1.5rem;line-height:1.5;color:var(--ink);max-width:100%;
  border-left:3px solid var(--gold);padding-left:22px;
}

/* ---------- Modal ---------- */
.modal-overlay{
  position:fixed;inset:0;background:rgba(12,18,38,.6);backdrop-filter:blur(6px);z-index:100;
  display:none;align-items:flex-start;justify-content:center;overflow-y:auto;padding:40px 16px;
}
.modal-overlay.open{display:flex}
.modal{
  background:var(--paper-2);border-radius:16px;max-width:880px;width:100%;overflow:hidden;
  box-shadow:0 40px 90px rgba(0,0,0,.45);animation:pop .35s var(--ease);
  border-top:4px solid var(--gold);
}
@keyframes pop{from{transform:translateY(26px) scale(.98);opacity:0}to{transform:none;opacity:1}}
.modal .m-hero{position:relative;max-height:520px;overflow:hidden;border-bottom:1px solid var(--line)}
.modal .m-hero img{width:100%;object-fit:cover;object-position:top;max-height:520px}
.m-close{
  position:absolute;top:14px;right:14px;width:40px;height:40px;border-radius:50%;
  border:none;background:rgba(255,253,247,.94);color:var(--ink);font-size:1.15rem;font-weight:700;
  cursor:pointer;line-height:1;box-shadow:0 6px 16px rgba(0,0,0,.25);transition:transform .2s var(--ease);
}
.m-close:hover{transform:rotate(90deg)}
.m-body{padding:32px 38px 40px;background: url(../img/watercolor.png);background-repeat: no-repeat;background-position: top left;background-size: cover;}
.m-body .cat-tag{margin-bottom:14px}
.m-body h3{font-family:var(--serif);font-weight:600;color:var(--ink);font-size:1.6rem;line-height:1.25;margin-bottom:4px}
.m-body .code{display:block;margin-bottom:22px}
.m-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.m-badges span{font-size:.74rem;font-weight:600;border:1px solid var(--line);color:#4d5568;padding:6px 14px;border-radius:999px}
dl.details{display:grid;grid-template-columns:190px 1fr;border-top:1px solid var(--line)}
dl.details dt{
  padding:18px 14px 18px 0;font-weight:700;color:var(--navy);font-size:.72rem;
  letter-spacing:.14em;text-transform:uppercase;border-bottom:1px solid var(--line);
}
dl.details dd{padding:18px 0;border-bottom:1px solid var(--line);color:#3f485e;font-size:.93rem}
dl.details dd p{margin-bottom:10px}
dl.details dd p:last-child{margin-bottom:0}
dl.details dd ul{padding-left:20px}
dl.details dd ul li{margin-bottom:7px}
dl.details dd .note{font-style:italic;color:var(--muted);font-size:.86rem}

/* ---------- Contact ---------- */
#contact{position:relative;color:var(--paper);padding:0;overflow:hidden;background:var(--ink-deep)}
#contact .bg{position:absolute;inset:0;opacity:.85}
#contact .scrim{position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,18,38,.55),rgba(12,18,38,.78))}
.contact-inner{position:relative;z-index:2;text-align:center;padding:110px 24px}
.contact-inner .kicker{color:var(--gold-bright)}
.contact-inner h2{
  font-family:var(--serif);font-weight:560;font-size:clamp(2rem,3.6vw,3rem);
  margin-bottom:16px;color:#fdfbf5;
}
.contact-inner h2 em{font-style:italic;color:var(--gold-bright);font-weight:430}
.contact-inner p{max-width:600px;margin:0 auto 32px;color:#c3c9dd}
.contact-inner .email{
  display:inline-block;background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:#1a1408;font-weight:700;
  padding:15px 36px;border-radius:999px;text-decoration:none;font-size:.95rem;letter-spacing:.03em;
  box-shadow:0 12px 32px rgba(185,144,63,.4);transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.contact-inner .email:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(185,144,63,.5)}

footer{background:#090e1f;color:#8f98b8;font-size:.8rem;padding:34px 0;text-align:center;border-top:1px solid var(--line-dark)}
footer .motto{font-family:var(--serif);color:var(--gold-bright);font-style:italic;font-size:1.05rem;margin-bottom:8px}
footer a{color: #fff; text-decoration: none;}
/* ---------- Responsive ---------- */
@media (max-width: 1490px){
   .brand b{font-family:var(--serif); font-weight:640;color:var(--ink);font-size:1rem;letter-spacing:.02em; line-height: 1.1em;} 
}
@media (max-width: 1400px){
  .brand span{display:none}
   nav.links{
    display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper-2);
    flex-direction:column;gap:0;padding:10px 18px 18px;border-bottom:1px solid var(--line);
    box-shadow:0 16px 30px rgba(19,26,58,.14);
    margin-left: 0;
    margin-right: 0;
  }
  nav.links.open{display:flex}
  nav.links a{padding:15px 0;border-bottom:1px solid var(--line);font-size:.85rem;letter-spacing:.12em; white-space:wrap;}
  .lang-switcher {
    margin-left: auto;
    margin-right: 12px;
  }
  .nav-toggle{display:flex;align-items:center;justify-content:center;width:44px;height:44px;margin-right:-10px}
}
@media (max-width: 1120px){
  nav.links{gap:16px; }
  nav.links a{font-size:.68rem;letter-spacing:.09em; text-align: center;}
  
  
}
@media (max-width: 960px){
  .grid{grid-template-columns:repeat(2,1fr)}   
  .hero-inner{grid-template-columns:minmax(0,1fr);padding:64px s16px 16px 16px;}
  .hero-figure{justify-self:center;max-width:460px}
  .stat{padding:24px 18px}
  .stat .l{font-size:.64rem}
  .about-block{grid-template-columns:1fr;gap:28px}
  .sec-no{display:none}
  dl.details{grid-template-columns:1fr}
  dl.details dt{padding-bottom:2px;border-bottom:none}
  dl.details dd{padding-top:4px}
  .sec-head{
    display: block;
  }
    .search-row{max-width:100%; padding-top: 1em;margin-bottom: 0;}
    .search-row::before{top:57%}
    .search-row::after{top:calc(57% + 8px);}
    
}
@media (max-width: 640px){
 
  .wrap{padding:0 18px}
  section{padding:60px 0}
  .grid{grid-template-columns:1fr;gap:20px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(odd){border-left:none}
  .stat:nth-child(n+3){border-top:1px solid var(--line-dark)}
  .brand span{display:none}
  .hero-inner{padding:44px 0 48px;gap:36px; padding:16px;}
  .hero-figure{max-width:100%}
  .hero-art{transform:none}
  .hero-figure::before{display:none}
  .hero-caption{text-align:left;margin-top:16px}
  .hero h1 .lead{letter-spacing:.22em;font-size:.74rem}
  .stat{padding:24px 16px 26px}
  .stat .n{font-size:2.2rem}
  .stat .l{font-size:.62rem;letter-spacing:.14em}
  .ticker-track span{font-size:.95rem}
  .contact-inner{padding:72px 20px}
  .cta-row{gap:10px}
  .btn{padding:14px 22px;flex:1 1 auto}
  .chip{min-height:44px;display:inline-flex;align-items:center;padding:8px 16px;white-space:nowrap;scroll-snap-align:start}
  .filter-bar{
    gap:8px;
    flex-wrap:wrap;overflow-x:auto;scroll-snap-type:x proximity;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
    margin:0 -18px 18px;padding:2px 18px 10px;
  }
  .filter-bar::-webkit-scrollbar{display:none}
  
 
  .search-row input{padding:13px 18px 13px 44px;font-size:16px; max-width:100%;display: block;}
 
  .sec-head{margin-bottom:36px;padding-bottom:22px}
  .apply-line{font-size:1.2rem;padding-left:16px}
  .flip-controls{gap:12px;margin-top:26px}
  .flip-controls button{padding:11px 16px;font-size:.72rem;letter-spacing:.1em}
  #flipStatus{min-width:0;font-size:.76rem}
  .modal-overlay{padding:0}
  .modal{border-radius:0;min-height:100%}
  .modal .m-hero,.modal .m-hero img{max-height:200px}
  .m-body{padding:24px 18px 36px}
  .m-body h3{font-size:1.3rem}
  .m-close{width:44px;height:44px;top:10px;right:10px}
  dl.details dd ul{padding-left:18px}
  .lang-switcher {
 
  gap: 2px;
  font-size: 0.8rem;
}
.lang-switcher a {

  padding: 4px 6px;
}
}
@media (max-width: 520px){
   .brand b{display: none;}
   /*.hkiap_name{display: none;}*/
}
@media (max-width: 380px){
 
  .stats{grid-template-columns:1fr}
  .stat{border-left:none}
  .stat:nth-child(n+2){border-top:1px solid var(--line-dark)}
  .cta-row{flex-direction:column}
  .btn{width:100%}
}
.justify{text-align: justify;}
.padding-top{padding-top: 1em;}
footer p{
  color:#c3c9dd;
}
    /* ==========================================
   3D 粒子流體波浪背景 (3D Particle Wave Canvas)
   ========================================== */

/* 1. 確保 .hero 的 z-index 層級正常 */
.hero {
    position: relative;
    overflow: hidden;
    z-index: 1;
  }
  
  /* 2. 畫布基本樣式：滿版鋪開，不干涉滑鼠事件 */
  .hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1; /* 置於背景漸變之上，內容之下 */
    transform: rotate(180deg);
    margin-top: 0;
  }
  
  /* 3. 確保前台內容在最上層 */
  .hero-inner {
    position: relative;
    z-index: 2;
  }



/** ========================================================
     新增的 ABOUT US SLIDER 樣式 (後續可剪下移至 style_en.css)
     ======================================================== **/

  .about_us_logo {width: 80%; margin: 0 auto; max-width: 480px;}
  .about-slider-wrap {
    width: 100%;
    overflow: hidden;
  }
  .about-slider-track {
    display: flex;
    transition: transform 0.65s cubic-bezier(0.25, 1, 0.5, 1);
    width: 400%; /* 4 個 items */
  }
  .about-slide {
    width: 25%; /* 每個 item 佔 100% / 4 */
    flex: none;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 52px;
    align-items: center;
    padding: 10px 4px;    
  }
   
  .about-slide-content h3 {
    font-family: var(--serif);
    font-weight: 580;
    color: var(--ink);
    font-size: clamp(1.4rem, 2.2vw, 1.8rem);
    line-height: 1.22;
    margin-bottom: 16px;
  }
  .about-slide-content p {
    color: #4d5568;
    text-align: justify;
    margin-bottom: 0;
  }
  .about-slide-art {
    position: relative;
    width: 100%;
    min-width: 540px;
  }
  @media (max-width: 600px){
     .about-slide-art {   
    width: 100%;
    min-width: 100%;
  }
}
  .about-slide-art img {
    width: 100%;
    border-radius: var(--radius, 12px);
    /*box-shadow: var(--shadow);*/
    display: block;
  }
  /* 複製原設計的古典裝飾金屬線框 */
  .about-slide-art::before {
    content: "";
    position: absolute;
    inset: -12px 12px 12px -12px;
    /*border: 1px solid var(--line);
    border-radius: 10px;*/
    pointer-events: none;
  }

  /* 左右控制箭頭 (支援 44px tap targets 觸控標準) */
  .about-slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--paper-2, #fffdf7);
    border: 1px solid var(--line);
    color: var(--ink);
    font-size: 1.6rem;
    font-family: var(--serif);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.25s;
    user-select: none;
    line-height: 1;
  }
  .about-slider-arrow:hover {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
    transform: translateY(-50%) scale(1.05);
  }
  .about-slider-arrow.prev {
    left: -80px;
  }
  .about-slider-arrow.next {
    right: -80px;
  }

  /* 下方圓點導覽 (Dots) */
  .about-slider-dots {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 32px;
  }
  .about-slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--line);
    cursor: pointer;
    transition: background 0.3s, transform 0.3s;
  }
  .about-slider-dot:hover {
    background: var(--navy);
  }
  .about-slider-dot.active {
    background: var(--navy);
    transform: scale(1.3);
  }

  .wrap  .about-slider-dot  {
    padding: 0;
  }

  /* 行動端與平板響應式優化 */
  @media (max-width: 960px) {
    .about-slide {
      grid-template-columns: 1fr;
      gap: 32px;
    }
    .about-slider-arrow {
      top: auto;
      bottom: -64px;
      transform: none;
    }
    .about-slider-arrow:hover {
      transform: scale(1.05);
    }
    .about-slider-arrow.prev {
      left: calc(50% - 60px);
    }
    .about-slider-arrow.next {
      right: calc(50% - 60px);
    }
    .about-slider-dots {
      margin-top: 56px;
    }
  }