:root{
  --bg:#fff; --bg-2:#fafafa; --bg-3:#f4f4f4;
  --ink:#0a0a0a; --mute:#5b5b5b; --line:#ececec;
  --y:#FFD60A; --y-d:#f5c400; --y-l:#fff7c2;
  --shadow-sm:0 4px 16px rgba(0,0,0,.04);
  --shadow:0 12px 40px rgba(0,0,0,.07);
  --r:16px; --ease:cubic-bezier(.22,1,.36,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter","Noto Sans TC",system-ui,-apple-system,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container-sm{max-width:880px;margin:0 auto;padding:0 24px}

/* ===== NAV ===== */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);
  backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{font-weight:800;letter-spacing:-.02em;font-size:1.3rem;display:flex;align-items:center;gap:6px}
.brand .dot{display:inline-block;width:10px;height:10px;background:var(--y);border-radius:50%;
  box-shadow:0 0 0 4px var(--y-l);animation:pulse 2.4s var(--ease) infinite}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(255,214,10,.15)}}
.menu{display:flex;gap:12px;list-style:none;white-space:nowrap}
.menu a{position:relative;font-weight:500;font-size:.78rem;padding:6px 0;color:#222;transition:color .3s}
.nav-inner nav{overflow-x:auto;max-width:calc(100% - 300px);-webkit-overflow-scrolling:touch;scrollbar-width:none}
.nav-inner nav::-webkit-scrollbar{display:none}
.menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--y-d);transition:width .4s var(--ease)}
.menu a:hover::after,.menu a.active::after{width:100%}
.menu a.active{color:#000;font-weight:700}
.nav-cta{display:flex;align-items:center;gap:14px}

.burger{display:none;width:46px;height:46px;border:1px solid var(--line);
  border-radius:14px;background:#fff;position:relative;
  transition:transform .45s var(--ease),background .3s,border-color .3s}
.burger:hover{background:var(--y);border-color:var(--y-d);transform:rotate(90deg)}
.burger span{position:absolute;left:50%;top:50%;width:20px;height:2px;
  background:var(--ink);border-radius:2px;transition:transform .5s var(--ease),opacity .3s}
.burger span:nth-child(1){transform:translate(-50%,-7px)}
.burger span:nth-child(2){transform:translate(-50%,-50%)}
.burger span:nth-child(3){transform:translate(-50%,5px)}
.burger.open{transform:rotate(180deg);background:var(--y)}
.burger.open span:nth-child(1){transform:translate(-50%,-50%) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0;transform:translate(-50%,-50%) scale(.2)}
.burger.open span:nth-child(3){transform:translate(-50%,-50%) rotate(-45deg)}

.drawer{position:fixed;inset:74px 0 0 0;background:#fff;transform:translateY(-110%);
  transition:transform .6s var(--ease);z-index:40;padding:32px 24px;overflow-y:auto}
.drawer.open{transform:translateY(0)}
.drawer ul{list-style:none;display:flex;flex-direction:column;gap:6px}
.drawer a{display:flex;justify-content:space-between;align-items:center;
  padding:18px 20px;border-radius:14px;font-size:1.2rem;font-weight:600;
  border:1px solid transparent;transition:all .35s var(--ease)}
.drawer a::after{content:"→";opacity:0;transition:opacity .3s,transform .3s}
.drawer a:hover{background:var(--y);border-color:var(--y-d);transform:translateX(8px)}
.drawer a:hover::after{opacity:1;transform:translateX(4px)}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 24px;
  border-radius:999px;font-weight:600;font-size:.95rem;border:1px solid var(--ink);
  transition:transform .35s var(--ease),background .3s,color .3s,box-shadow .3s}
.btn:hover{transform:translateY(-3px)}
.btn-primary{background:var(--y);border-color:var(--y);color:#000}
.btn-primary:hover{background:var(--y-d);box-shadow:0 12px 30px rgba(245,196,0,.35)}
.btn-ghost{background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn .arr{display:inline-block;transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}

/* ===== Common ===== */
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;background:var(--y);padding:7px 14px;border-radius:6px;color:#000}
h1.page{font-size:clamp(2.6rem,7vw,5.6rem);font-weight:800;letter-spacing:-.04em;line-height:1.02}
h1.page em{font-style:italic;font-family:"Playfair Display",serif;font-weight:700;color:#000}
h1.page mark{background:var(--y);padding:0 .12em;border-radius:10px}
h2{font-size:clamp(1.9rem,4.2vw,3rem);font-weight:800;letter-spacing:-.025em;line-height:1.12;margin:18px 0 22px}
h3{font-size:1.25rem;font-weight:700;letter-spacing:-.01em}
p.lede{font-size:1.1rem;color:var(--mute);max-width:640px}
section{padding:100px 0}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:56px;flex-wrap:wrap}

/* ===== Reveal ===== */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-d2{transition-delay:.12s}
.reveal-d3{transition-delay:.24s}
.reveal-d4{transition-delay:.36s}
.reveal-d5{transition-delay:.48s}

/* ===== Hero (About) ===== */
.about-hero{position:relative;padding:120px 0 70px;overflow:hidden;text-align:center}
.about-hero .blob{position:absolute;width:560px;height:560px;border-radius:50%;
  background:radial-gradient(circle,var(--y-l) 0%,transparent 70%);
  filter:blur(50px);z-index:-1;left:50%;top:-180px;transform:translateX(-50%);
  animation:blob 14s var(--ease) infinite}
@keyframes blob{50%{transform:translate(calc(-50% + 30px),40px) scale(1.1)}}
.about-hero p.lede{margin:32px auto 0}
.scroll-hint{margin-top:60px;font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--mute);
  display:inline-flex;flex-direction:column;align-items:center;gap:14px}
.scroll-hint .line{width:2px;height:40px;background:linear-gradient(to bottom,var(--ink),transparent);
  animation:lineDrop 1.8s var(--ease) infinite}
@keyframes lineDrop{0%{transform:scaleY(.2);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}100%{transform:scaleY(.2);transform-origin:bottom}}

/* Marquee headline */
.kinetic{border-block:1px solid var(--line);background:var(--bg-2);overflow:hidden;padding:36px 0}
.kinetic-track{display:flex;gap:60px;white-space:nowrap;width:max-content;
  animation:scroll 28s linear infinite;font-size:clamp(2rem,5vw,3.6rem);
  font-weight:800;letter-spacing:-.03em}
.kinetic-track span{display:inline-flex;align-items:center;gap:60px}
.kinetic-track span::after{content:"✦";color:var(--y-d);font-size:1.4rem}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ===== Mission ===== */
.mission{position:relative}
.mission-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:center}
.mission-vis{position:relative;aspect-ratio:1;background:var(--bg-2);border-radius:24px;overflow:hidden;
  border:1px solid var(--line)}
.mission-vis .ring{position:absolute;border:2px solid var(--ink);border-radius:50%;
  top:50%;left:50%;transform:translate(-50%,-50%);animation:spin 30s linear infinite}
.mission-vis .ring.r1{width:80%;height:80%;border-style:dashed}
.mission-vis .ring.r2{width:55%;height:55%;border-color:var(--y-d);animation-duration:18s;animation-direction:reverse}
.mission-vis .ring.r3{width:30%;height:30%;background:var(--y);border:none}
.mission-vis .label{position:absolute;font-size:.75rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;background:#fff;padding:6px 12px;border-radius:99px;border:1px solid var(--line)}
.mission-vis .l1{top:8%;left:14%}
.mission-vis .l2{top:14%;right:10%}
.mission-vis .l3{bottom:18%;left:8%}
.mission-vis .l4{bottom:12%;right:14%}
.mission-vis .core{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  font-weight:800;font-size:1.1rem;color:#000;text-align:center;line-height:1.2;z-index:2}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}

.mission p{font-size:1.05rem;color:#222;margin-bottom:18px}
.mission .signature{margin-top:32px;font-family:"Playfair Display",serif;font-style:italic;font-size:1.4rem}

/* ===== Values ===== */
.values{background:var(--bg-2)}
.value-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0;
  border:1px solid var(--line);border-radius:20px;background:#fff;overflow:hidden}
.value{padding:40px 32px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  position:relative;transition:background .35s,transform .3s var(--ease);cursor:default}
.value:hover{background:var(--y-l)}
.value .num{font-family:"Playfair Display",serif;font-style:italic;font-size:2.2rem;color:var(--y-d);font-weight:700}
.value h3{margin:14px 0 12px}
.value p{color:var(--mute);font-size:.95rem}
.value::before{content:"";position:absolute;left:0;top:0;width:3px;height:0;background:var(--y);transition:height .5s var(--ease)}
.value:hover::before{height:100%}

/* ===== Timeline ===== */
.timeline{position:relative;max-width:880px;margin:0 auto;padding:20px 0}
.timeline::before{content:"";position:absolute;left:24px;top:0;bottom:0;width:2px;
  background:linear-gradient(to bottom,var(--y-d),var(--y-d) 50%,var(--line));
  transform-origin:top;animation:none}
.tl-item{position:relative;padding:24px 0 24px 70px;opacity:0;transform:translateX(-30px);
  transition:opacity .8s var(--ease),transform .8s var(--ease)}
.tl-item.in{opacity:1;transform:none}
.tl-item::before{content:"";position:absolute;left:16px;top:30px;width:18px;height:18px;
  border-radius:50%;background:#fff;border:3px solid var(--y-d);
  box-shadow:0 0 0 4px var(--bg);transition:transform .4s var(--ease),background .3s}
.tl-item:hover::before{background:var(--y);transform:scale(1.2)}
.tl-item .y{font-family:"Playfair Display",serif;font-style:italic;font-weight:700;font-size:1.4rem;color:var(--y-d)}
.tl-item h4{font-size:1.2rem;margin:6px 0 8px;font-weight:700}
.tl-item p{color:var(--mute)}

/* ===== Team ===== */
.team-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.member{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;
  transition:transform .5s var(--ease),box-shadow .4s,border-color .3s;position:relative;overflow:hidden}
.member::after{content:"";position:absolute;inset:0;border-radius:18px;
  background:linear-gradient(135deg,transparent 60%,var(--y-l) 100%);opacity:0;transition:opacity .4s}
.member:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:var(--y)}
.member:hover::after{opacity:1}
.member .av{width:90px;height:90px;border-radius:50%;background:var(--y);display:grid;place-items:center;
  font-size:2rem;font-weight:800;letter-spacing:-.02em;border:3px solid #fff;box-shadow:var(--shadow-sm);
  position:relative;z-index:1}
.member h4{margin-top:18px;font-size:1.15rem;font-weight:700;position:relative;z-index:1}
.member .role{font-size:.85rem;color:var(--mute);margin-top:4px;position:relative;z-index:1}
.member .bio{margin-top:14px;font-size:.92rem;color:#333;position:relative;z-index:1}
.member .tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:6px;position:relative;z-index:1}
.member .tag{font-size:.72rem;font-weight:600;padding:4px 10px;background:var(--bg-2);border-radius:99px;border:1px solid var(--line)}

/* ===== Quote big ===== */
.bigquote{background:var(--ink);color:#fff;border-radius:24px;padding:80px 60px;text-align:center;position:relative;overflow:hidden}
.bigquote::before{content:"\201C";position:absolute;top:-20px;left:30px;font-family:"Playfair Display",serif;font-size:14rem;color:var(--y);opacity:.4;line-height:1}
.bigquote p{font-size:clamp(1.4rem,3vw,2rem);font-weight:600;line-height:1.4;letter-spacing:-.01em;max-width:780px;margin:0 auto;position:relative;z-index:1}
.bigquote p mark{background:var(--y);color:#000;padding:0 .12em;border-radius:8px}
.bigquote .who{margin-top:30px;font-size:.9rem;color:#bbb;letter-spacing:.1em;text-transform:uppercase}

/* ===== Principles list ===== */
.principles{display:grid;grid-template-columns:1fr 1.2fr;gap:80px;align-items:start}
.principles ol{list-style:none;counter-reset:p;display:flex;flex-direction:column;gap:0}
.principles li{counter-increment:p;padding:26px 0;border-bottom:1px solid var(--line);
  display:grid;grid-template-columns:60px 1fr;gap:20px;align-items:start;
  transition:padding-left .4s var(--ease)}
.principles li:hover{padding-left:14px;background:linear-gradient(to right,var(--y-l),transparent)}
.principles li::before{content:"0" counter(p);font-family:"Playfair Display",serif;font-style:italic;
  font-size:1.6rem;font-weight:700;color:var(--y-d)}
.principles li h4{font-size:1.15rem;margin-bottom:6px}
.principles li p{color:var(--mute);font-size:.95rem}

/* ===== FAQ ===== */
.faq{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line);padding:22px 0}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:20px;cursor:pointer;
  font-weight:600;font-size:1.05rem;letter-spacing:-.005em}
.faq-q .ico{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;flex-shrink:0;transition:transform .4s var(--ease),background .3s,border-color .3s}
.faq-item.open .faq-q .ico{transform:rotate(45deg);background:var(--y);border-color:var(--y-d)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .5s var(--ease),margin .4s}
.faq-item.open .faq-a{max-height:300px;margin-top:14px}
.faq-a p{color:var(--mute);font-size:.96rem}

/* ===== CTA ===== */
.cta-band{background:var(--y);border-radius:24px;padding:64px 48px;
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.cta-band h2{margin:0}
.cta-band a.btn{background:#000;color:var(--y);border-color:#000}
.cta-band a.btn:hover{background:#222}

/* ===== Footer ===== */
footer{background:var(--ink);color:#eaeaea;padding:72px 0 28px;margin-top:80px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
footer h5{font-size:.85rem;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin-bottom:18px}
footer ul{list-style:none;display:flex;flex-direction:column;gap:10px}
footer a{color:#bdbdbd;font-size:.92rem;transition:color .3s}
footer a:hover{color:var(--y)}
.f-bottom{margin-top:48px;padding-top:24px;border-top:1px solid #222;
  display:flex;justify-content:space-between;color:#999;font-size:.85rem;flex-wrap:wrap;gap:12px}

/* ===== Responsive ===== */
@media(max-width:980px){
  .mission-grid,.principles{grid-template-columns:1fr;gap:50px}
  .cta-band{grid-template-columns:1fr;padding:44px 28px}
  .f-grid{grid-template-columns:repeat(2,1fr)}
  .bigquote{padding:60px 28px}
}
@media(max-width:860px){
  .menu,.nav-cta .btn{display:none}
  .burger{display:block}
  section{padding:72px 0}
  .about-hero{padding:80px 0 50px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}