:root{
  --bg:#ffffff; --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}

/* ===== 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)}}
.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{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}
.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}

/* ===== Hamburger ===== */
.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 ===== */
.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)}
.drawer .promo{margin-top:32px;padding:24px;background:var(--bg-2);border-radius:16px;
  border:1px solid var(--line)}

/* ===== 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)}

/* ===== HOME BANNER ===== */
.home-banner{width:100%;background:var(--bg-2);border-bottom:1px solid var(--line)}
.home-banner__slot{position:relative;width:100%;aspect-ratio:21/9;overflow:hidden;
  background:linear-gradient(135deg,var(--y-l) 0%,var(--bg-3) 100%)}
.home-banner__slot img{width:100%;height:100%;object-fit:cover;display:block}
.home-banner__placeholder{position:absolute;inset:0;display:grid;place-items:center;
  color:var(--mute);font-size:.9rem;font-weight:500;letter-spacing:.04em;pointer-events:none}
.home-banner__slot:has(img[src]:not([src=""])) .home-banner__placeholder{display:none}
@media(max-width:860px){
  .home-banner__slot{aspect-ratio:16/9}
}

/* ===== HERO ===== */
.hero{position:relative;padding:80px 0 80px;overflow:hidden}
.hero-grid{max-width:720px}
.hero h1{font-size:clamp(2.4rem,6vw,4.8rem);font-weight:800;letter-spacing:-.035em;line-height:1.04}
.hero h1 mark{background:var(--y);padding:0 .12em;border-radius:10px;color:#000}
.hero h1 .underline{position:relative;display:inline-block}
.hero h1 .underline::after{content:"";position:absolute;left:0;bottom:6px;width:100%;height:10px;
  background:var(--y);z-index:-1;border-radius:4px}
.hero p.lead{margin-top:28px;max-width:560px;font-size:1.12rem;color:var(--mute)}
.hero .cta{margin-top:40px;display:flex;gap:14px;flex-wrap:wrap}
.hero .meta{margin-top:48px;display:flex;gap:36px;flex-wrap:wrap}
.hero .meta div b{display:block;font-size:1.8rem;font-weight:800;letter-spacing:-.02em}
.hero .meta div span{font-size:.85rem;color:var(--mute)}

/* Background blob */
.blob{position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,var(--y-l) 0%,transparent 70%);
  filter:blur(40px);z-index:-1;top:-100px;right:-120px;animation:blob 14s var(--ease) infinite}
@keyframes blob{50%{transform:translate(-30px,40px) scale(1.1)}}

/* ===== Marquee ===== */
.marquee{overflow:hidden;border-block:1px solid var(--line);background:var(--bg-2);
  padding:18px 0;mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent)}
.marquee-track{display:flex;gap:60px;white-space:nowrap;width:max-content;
  animation:scroll 38s linear infinite;font-weight:600;color:#222;font-size:.95rem}
.marquee-track span{display:inline-flex;align-items:center;gap:12px}
.marquee-track span::before{content:"●";color:var(--y-d);font-size:.7rem}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ===== Sections ===== */
section{padding:100px 0}
.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}
h2{font-size:clamp(1.9rem,4.2vw,3rem);font-weight:800;letter-spacing:-.025em;
  margin:18px 0 22px;line-height:1.12}
.lede{max-width:620px;font-size:1.05rem;color:var(--mute)}

.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:56px;flex-wrap:wrap}

/* ===== Cards ===== */
.grid{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:36px 32px;position:relative;overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .4s,border-color .3s}
.card::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:var(--y);transform:scaleX(0);transform-origin:left;
  transition:transform .55s var(--ease)}
.card:hover{transform:translateY(-10px);box-shadow:var(--shadow);border-color:var(--y)}
.card:hover::before{transform:scaleX(1)}
.card .icon{width:54px;height:54px;border-radius:14px;background:var(--y-l);
  display:grid;place-items:center;font-size:1.5rem;font-weight:800}
.card h3{margin:20px 0 12px;font-size:1.25rem;letter-spacing:-.01em}
.card p{color:var(--mute);font-size:.97rem}
.card .more{margin-top:18px;display:inline-flex;align-items:center;gap:6px;
  font-weight:600;font-size:.9rem}
.card .more::after{content:"→";transition:transform .3s var(--ease)}
.card:hover .more::after{transform:translateX(6px)}

/* ===== Articles ===== */
.article{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;
  transition:transform .45s var(--ease),box-shadow .4s}
.article:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.article .thumb{aspect-ratio:16/10;background:var(--bg-2);position:relative;overflow:hidden;
  display:grid;place-items:center;font-size:3rem;font-weight:800;color:#000;letter-spacing:-.04em}
.article .thumb.t1{background:linear-gradient(135deg,var(--y) 0%,var(--y-l) 100%)}
.article .thumb.t2{background:linear-gradient(135deg,#fafafa 0%,#ececec 100%)}
.article .thumb.t3{background:linear-gradient(135deg,var(--ink) 0%,#333 100%);color:var(--y)}
.article .body{padding:26px 28px 30px}
.article .tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--y-d)}
.article h3{margin:10px 0 10px;font-size:1.18rem;line-height:1.35}
.article .meta{display:flex;justify-content:space-between;color:var(--mute);font-size:.85rem;margin-top:14px}

/* ===== Stats ===== */
.stats{background:var(--ink);color:#fff;border-radius:24px;padding:64px 48px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stats div b{font-size:clamp(2rem,4vw,3.2rem);font-weight:800;letter-spacing:-.02em;
  display:block;color:var(--y)}
.stats div span{font-size:.9rem;color:#aaa;margin-top:6px;display:block}

/* ===== Topics list ===== */
.topics{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;
  border:1px solid var(--line);border-radius:18px;overflow:hidden}
.topic{padding:30px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:background .35s,transform .3s;cursor:pointer;position:relative}
.topic:hover{background:var(--y-l)}
.topic .n{font-size:.78rem;font-weight:700;color:var(--mute);letter-spacing:.1em}
.topic h4{margin-top:8px;font-size:1.1rem;font-weight:700}
.topic p{margin-top:8px;font-size:.88rem;color:var(--mute)}

/* ===== Testimonials ===== */
.quote{background:var(--bg-2);border-radius:20px;padding:40px 36px;border:1px solid var(--line)}
.quote p{font-size:1.1rem;font-weight:500;color:#111;line-height:1.6}
.quote .who{margin-top:20px;display:flex;align-items:center;gap:14px}
.quote .who .av{width:46px;height:46px;border-radius:50%;background:var(--y);
  display:grid;place-items:center;font-weight:800}
.quote .who b{display:block}
.quote .who span{color:var(--mute);font-size:.85rem}

/* ===== Licenses ===== */
.licenses{display:flex;gap:18px;flex-wrap:wrap;margin-top:36px}
.license{flex:1;min-width:180px;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:24px 20px;text-align:center;transition:border-color .3s,box-shadow .3s}
.license:hover{border-color:var(--y);box-shadow:var(--shadow-sm)}
.license .badge{font-size:2.2rem;margin-bottom:8px}
.license b{display:block;font-size:.95rem;margin-bottom:4px}
.license span{font-size:.82rem;color:var(--mute)}

/* ===== 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 form{display:flex;gap:10px;flex-wrap:wrap}
.cta-band input{flex:1;min-width:220px;padding:16px 20px;border-radius:999px;
  border:1px solid #000;background:#fff;font-family:inherit;font-size:.95rem}
.cta-band input:focus{outline:2px solid #000;outline-offset:2px}

/* ===== 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}

/* ===== 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}

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