: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;scroll-padding-top:90px}
body{font-family:"Inter","Noto Sans TC",system-ui,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,.85);
  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,5.4rem);font-weight:800;letter-spacing:-.04em;line-height:1.04}
h1.page em{font-style:italic;font-family:"Playfair Display",serif;font-weight:700}
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}
.lede{font-size:1.1rem;color:var(--mute);max-width:640px}
section{padding:90px 0}

/* 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}

/* ===== HERO ===== */
.hero{padding:110px 0 50px;position:relative;overflow:hidden;text-align:center}
.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)}}
.hero p.lede{margin:24px auto 0}

/* ===== Reasons grid ===== */
.reasons{margin-top:60px;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:0;
  border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;text-align:left}
.reason{padding:30px 26px;border-right:1px solid var(--line);position:relative;cursor:pointer;
  transition:background .35s,transform .3s var(--ease)}
.reason:hover,.reason.active{background:var(--y-l)}
.reason.active{outline:2px solid var(--y-d);outline-offset:-2px}
.reason::before{content:"";position:absolute;left:0;top:0;width:3px;height:0;background:var(--y);transition:height .5s var(--ease)}
.reason:hover::before,.reason.active::before{height:100%}
.reason .ico{width:42px;height:42px;border-radius:12px;background:var(--y);display:grid;place-items:center;font-size:1.1rem;font-weight:800}
.reason h4{margin:14px 0 6px;font-size:1.05rem;font-weight:700}
.reason p{font-size:.88rem;color:var(--mute);margin:0}
.reason .pick{margin-top:14px;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:var(--y-d);opacity:0;transition:opacity .3s}
.reason.active .pick{opacity:1}

/* ===== Form & Side ===== */
.contact{padding:80px 0}
.cgrid{display:grid;grid-template-columns:1.4fr 1fr;gap:60px;align-items:start}

/* Form card */
.form-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:44px;
  position:relative;overflow:hidden;box-shadow:var(--shadow-sm)}
.form-card::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--y);transform-origin:left;animation:slide 3.6s var(--ease) infinite}
@keyframes slide{0%,100%{transform:scaleX(0)}50%{transform:scaleX(1)}}
.form-card h3{font-size:1.4rem;font-weight:800;letter-spacing:-.015em;margin-bottom:6px}
.form-card .sub{color:var(--mute);font-size:.92rem;margin-bottom:30px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{position:relative;margin-bottom:22px}
.field input,.field textarea,.field select{
  width:100%;padding:24px 18px 12px;font-family:inherit;font-size:.96rem;color:#000;
  background:#fff;border:1.5px solid var(--line);border-radius:14px;outline:none;
  transition:border-color .35s,box-shadow .35s,background .3s}
.field textarea{resize:vertical;min-height:140px;padding-top:30px}
.field select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2'><polyline points='6 9 12 15 18 9'/></svg>");background-repeat:no-repeat;background-position:right 18px center}
.field label{position:absolute;left:18px;top:18px;font-size:.95rem;color:var(--mute);
  pointer-events:none;background:#fff;padding:0 6px;
  transition:top .3s var(--ease),font-size .3s,color .3s,transform .3s var(--ease)}
.field input:focus,.field textarea:focus,.field select:focus{
  border-color:var(--y-d);background:#fff;box-shadow:0 0 0 4px var(--y-l)}
.field input:focus + label,.field input:not(:placeholder-shown) + label,
.field textarea:focus + label,.field textarea:not(:placeholder-shown) + label,
.field select:focus + label,.field select.has-value + label{
  top:-9px;font-size:.74rem;color:#000;font-weight:700;letter-spacing:.05em;transform:translateY(0)}
.field input:focus + label,.field textarea:focus + label,.field select:focus + label{color:var(--y-d)}
.field .hint{margin-top:6px;font-size:.78rem;color:var(--mute);padding-left:4px}
.field .err{margin-top:6px;font-size:.78rem;color:#c10000;padding-left:4px;display:none}
.field.error input,.field.error textarea,.field.error select{border-color:#c10000;box-shadow:0 0 0 4px #fde0e0}
.field.error .err{display:block}
.counter{position:absolute;right:14px;bottom:10px;font-size:.74rem;color:var(--mute);font-family:"JetBrains Mono",monospace}

/* Checkbox */
.check{display:flex;align-items:flex-start;gap:12px;margin:8px 0 24px;cursor:pointer;font-size:.92rem;color:#222}
.check input{position:absolute;opacity:0;pointer-events:none}
.check .box{width:22px;height:22px;border-radius:6px;border:2px solid var(--ink);background:#fff;
  display:grid;place-items:center;flex-shrink:0;margin-top:2px;transition:all .3s var(--ease)}
.check .box::after{content:"✓";color:#000;font-weight:800;font-size:.85rem;opacity:0;transform:scale(.4);transition:opacity .3s,transform .3s var(--ease)}
.check input:checked + .box{background:var(--y);border-color:var(--y-d)}
.check input:checked + .box::after{opacity:1;transform:scale(1)}

/* Submit */
.submit{position:relative;display:inline-flex;align-items:center;gap:12px;padding:16px 30px;
  background:#000;color:#fff;border-radius:99px;font-weight:700;font-size:1rem;
  cursor:pointer;overflow:hidden;transition:transform .35s var(--ease),box-shadow .3s}
.submit::before{content:"";position:absolute;inset:0;background:var(--y);transform:scaleX(0);transform-origin:left;
  transition:transform .5s var(--ease);z-index:0}
.submit:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.2)}
.submit:hover::before{transform:scaleX(1)}
.submit:hover{color:#000}
.submit span{position:relative;z-index:1;display:inline-flex;align-items:center;gap:10px}
.submit .arr{transition:transform .3s var(--ease)}
.submit:hover .arr{transform:translateX(6px)}
.submit.loading{pointer-events:none;opacity:.85}
.submit.loading .lbl{display:none}
.submit .spinner{display:none;width:18px;height:18px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .9s linear infinite;position:relative;z-index:1}
.submit.loading .spinner{display:inline-block}
@keyframes spin{to{transform:rotate(360deg)}}

/* Success */
.success{display:none;padding:30px 24px;background:var(--y-l);border:1.5px solid var(--y);border-radius:18px;text-align:center}
.success.show{display:block;animation:popIn .6s var(--ease)}
@keyframes popIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}
.success .ico{width:60px;height:60px;border-radius:50%;background:#000;color:var(--y);
  display:grid;place-items:center;font-size:1.6rem;margin:0 auto;animation:check .7s var(--ease) backwards .2s}
@keyframes check{from{transform:scale(0) rotate(-180deg)}}
.success h4{margin-top:14px;font-size:1.2rem;font-weight:800}
.success p{margin-top:6px;color:#222;font-size:.95rem}

/* === Side panel === */
.side{display:flex;flex-direction:column;gap:20px}
.info{padding:26px;background:#fff;border:1px solid var(--line);border-radius:18px;
  transition:transform .4s var(--ease),box-shadow .4s,border-color .3s;position:relative;overflow:hidden}
.info:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--y)}
.info .ico{width:46px;height:46px;border-radius:12px;background:var(--y-l);display:grid;place-items:center;font-size:1.2rem}
.info h4{margin-top:14px;font-size:1.05rem;font-weight:700}
.info .v{margin-top:6px;font-family:"JetBrains Mono",monospace;font-size:.95rem;color:#000;font-weight:600}
.info .desc{margin-top:6px;color:var(--mute);font-size:.86rem}
.info .copy{margin-top:14px;display:inline-flex;align-items:center;gap:6px;font-size:.82rem;font-weight:600;color:var(--y-d);cursor:pointer;border-bottom:1px dashed var(--y-d);padding-bottom:2px;transition:color .3s}
.info .copy:hover{color:#000}

/* Social */
.socials{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding:24px;background:var(--ink);color:#fff;border-radius:18px}
.socials h5{grid-column:1/-1;font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--y);margin-bottom:6px;font-weight:800}
.socials a{padding:14px 16px;background:#1a1a1a;border:1px solid #2a2a2a;border-radius:12px;display:flex;align-items:center;gap:10px;font-weight:600;font-size:.92rem;transition:all .3s var(--ease)}
.socials a:hover{background:var(--y);color:#000;border-color:var(--y-d);transform:translateX(4px)}
.socials a span{font-size:1.1rem}

/* === Map ===*/
.map{position:relative;border-radius:24px;overflow:hidden;border:1px solid var(--line);background:var(--bg-2);aspect-ratio:16/8;margin-top:30px}
.map svg{width:100%;height:100%;display:block}
.map .pin{position:absolute;left:50%;top:48%;transform:translate(-50%,-100%);
  width:42px;height:42px;display:grid;place-items:center}
.map .pin .dot{width:18px;height:18px;border-radius:50%;background:var(--y);border:3px solid #000;z-index:2;position:relative}
.map .pin::before{content:"";position:absolute;width:60px;height:60px;border-radius:50%;background:var(--y);opacity:.4;animation:ping 2s var(--ease) infinite;z-index:1}
.map .pin::after{content:"";position:absolute;width:38px;height:38px;border-radius:50%;background:var(--y);opacity:.5;animation:ping 2s var(--ease) infinite .4s;z-index:1}
@keyframes ping{0%{transform:scale(.3);opacity:.6}100%{transform:scale(1.6);opacity:0}}
.map .label{position:absolute;left:50%;top:48%;transform:translate(-50%,-180%);
  background:#000;color:#fff;padding:10px 16px;border-radius:99px;font-size:.85rem;font-weight:700;white-space:nowrap}
.map .label::after{content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%) rotate(45deg);width:10px;height:10px;background:#000}

/* === Stats band === */
.statband{background:var(--ink);color:#fff;padding:60px 0}
.statband .container{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center}
.statband b{font-size:clamp(1.8rem,3.6vw,2.6rem);font-weight:800;color:var(--y);display:block;letter-spacing:-.02em}
.statband span{font-size:.85rem;color:#aaa;margin-top:4px;display:block}

/* === 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}
.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:54px 44px;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;margin:0 auto}
.cta-band h2{margin:0}
.cta-band a.btn{background:#000;color:var(--y);border-color:#000}

/* 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){
  .cgrid{grid-template-columns:1fr;gap:40px}
  .row{grid-template-columns:1fr}
  .form-card{padding:32px 24px}
  .statband .container{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:40px 28px}
  .f-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:860px){
  .menu,.nav-cta .btn{display:none}
  .burger{display:block}
  section{padding:64px 0}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}