:root{--bg:#f8fafb;--bg-warm:#fefcf9;--surface:#fff;--ink:#1a1f2e;--ink-soft:#3d4759;--muted:#6b7689;--line:#e8ecf1;--teal:#2db4a8;--teal-light:#e0f5f3;--teal-dark:#1a8a80;--coral:#e85d75;--coral-light:#fce4e8;--purple:#8b5cf6;--purple-light:#ede4fd;--amber:#f59e0b;--amber-light:#fef3e0;--blue:#3b82f6;--blue-light:#e0edfe;--red:#ef4444;--red-light:#fee0e0;--ease:cubic-bezier(0.22,1,0.36,1);--font-display:'Outfit','Noto Sans TC',sans-serif;--font-body:'Noto Sans TC','Outfit',sans-serif;--font-ui:'Outfit',sans-serif}
*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--bg);color:var(--ink);line-height:1.8;font-weight:400;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}
.section__title{font-family:var(--font-display);font-weight:700;font-size:clamp(1.8rem,4vw,2.8rem);line-height:1.2;letter-spacing:-0.02em;color:var(--ink);margin-bottom:1rem}
.section__title--light{color:#fff}
.section__sub{font-size:1rem;color:var(--muted);max-width:56ch;margin-bottom:3rem;line-height:1.7}
.section__sub--light{color:rgba(255,255,255,0.7)}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.9rem 2rem;font-family:var(--font-ui);font-size:.88rem;font-weight:600;letter-spacing:.02em;border:2px solid transparent;cursor:pointer;transition:all .4s var(--ease);border-radius:50px}
.btn--primary{background:var(--teal);color:#fff;border-color:var(--teal)}
.btn--primary:hover{background:var(--teal-dark);border-color:var(--teal-dark);transform:translateY(-2px);box-shadow:0 10px 28px rgba(45,180,168,.35)}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--teal);color:var(--teal)}
.btn--full{width:100%;justify-content:center;padding:1rem;font-size:.92rem}

/* Nav */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;padding:1.2rem 0;transition:all .4s var(--ease)}
.nav__inner{max-width:1400px;margin:0 auto;padding:0 clamp(1.5rem,5vw,4rem);display:flex;align-items:center;justify-content:space-between}
.nav__brand{display:flex;align-items:center;gap:.6rem}
.nav__brand-icon{width:38px;height:38px;display:flex;align-items:center;justify-content:center;background:var(--teal);color:#fff;border-radius:10px}
.nav__brand-icon i{font-size:1.2rem}
.nav__brand-text{display:flex;flex-direction:column;line-height:1.1;font-family:var(--font-display);font-size:1.3rem;font-weight:700;color:#fff}
.nav__brand-en{font-size:.58rem;font-weight:500;letter-spacing:.18em;color:var(--teal);margin-top:1px}
.nav__links{display:flex;align-items:center;gap:2rem}
.nav__links a{font-family:var(--font-ui);font-size:.88rem;font-weight:500;color:rgba(255,255,255,.85);transition:color .3s var(--ease)}
.nav__links a:not(.nav__cta):hover{color:var(--teal)}
.nav__cta{background:var(--teal);color:#fff!important;padding:.55rem 1.4rem;border-radius:50px;font-weight:600}
.nav__cta:hover{background:#fff;color:var(--teal)!important}
.nav__toggle{display:none;background:none;border:none;color:#fff;font-size:1.6rem;cursor:pointer}
.nav.scrolled{background:rgba(255,255,255,.97);backdrop-filter:blur(12px);padding:.8rem 0;box-shadow:0 2px 16px rgba(0,0,0,.06)}
.nav.scrolled .nav__brand-text{color:var(--ink)}
.nav.scrolled .nav__brand-en{color:var(--teal)}
.nav.scrolled .nav__links a{color:var(--ink-soft)}
.nav.scrolled .nav__links a:hover{color:var(--teal)}
.nav.scrolled .nav__cta{background:var(--teal);color:#fff!important}
.nav.scrolled .nav__cta:hover{background:var(--ink)}
.nav.scrolled .nav__toggle{color:var(--ink)}

/* Hero */
.hero{position:relative;background:linear-gradient(135deg,#1a1f2e 0%,#1e3a4f 60%,#1a5a52 100%);overflow:hidden;padding:8rem clamp(1.5rem,5vw,4rem) 4rem}
.hero__bg{position:absolute;inset:0;background:radial-gradient(circle at 20% 30%,rgba(45,180,168,.18),transparent 50%),radial-gradient(circle at 80% 70%,rgba(232,93,117,.12),transparent 50%)}
.hero__content{position:relative;z-index:2;max-width:1300px;margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center}
.hero__eyebrow{font-family:var(--font-ui);font-size:.78rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:var(--teal);margin-bottom:1.5rem}
.hero__title{font-family:var(--font-display);font-weight:700;font-size:clamp(2.5rem,6vw,4.5rem);line-height:1.1;letter-spacing:-.02em;color:#fff;margin-bottom:1.5rem}
.hero__highlight{background:linear-gradient(120deg,var(--teal),#5ed4c8);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero__sub{font-size:1.05rem;line-height:1.8;font-weight:300;max-width:44ch;margin-bottom:2.4rem;color:rgba(255,255,255,.78)}
.hero__actions{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:2.5rem}
.hero__badges{display:flex;gap:1.8rem;flex-wrap:wrap}
.hero__badges span{display:flex;align-items:center;gap:.4rem;font-family:var(--font-ui);font-size:.82rem;font-weight:500;color:rgba(255,255,255,.7)}
.hero__badges i{color:var(--amber);font-size:1rem}
.hero__right{position:relative}
.hero__right img{width:100%;border-radius:24px;box-shadow:0 24px 64px rgba(0,0,0,.3)}

/* Why */
.why{padding:var(--s-xl,8rem) clamp(1.5rem,5vw,4rem);background:var(--bg)}
.why__head{max-width:720px;margin:0 auto 3.5rem;text-align:center}
.why__head .section__title{text-align:center}
.why__head .section__sub{margin:0 auto;text-align:center}
.why__grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.feature{background:var(--surface);border-radius:20px;padding:2rem 1.5rem;text-align:center;transition:all .4s var(--ease);border:1px solid var(--line)}
.feature:hover{transform:translateY(-6px);box-shadow:0 20px 48px rgba(0,0,0,.08);border-color:transparent}
.feature__icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;border-radius:16px;margin:0 auto 1.2rem;font-size:1.5rem}
.feature__icon--teal{background:var(--teal-light);color:var(--teal)}
.feature__icon--coral{background:var(--coral-light);color:var(--coral)}
.feature__icon--purple{background:var(--purple-light);color:var(--purple)}
.feature__icon--amber{background:var(--amber-light);color:var(--amber)}
.feature__title{font-family:var(--font-display);font-size:1.15rem;font-weight:600;margin-bottom:.6rem;color:var(--ink)}
.feature__desc{font-size:.88rem;color:var(--muted);line-height:1.6}

/* Courses */
.courses{padding:var(--s-xl,8rem) clamp(1.5rem,5vw,4rem);background:var(--ink);position:relative;overflow:hidden}
.courses::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 15% 20%,rgba(45,180,168,.08),transparent 40%),radial-gradient(circle at 85% 80%,rgba(139,92,246,.08),transparent 40%)}
.courses__head{position:relative;z-index:2;max-width:720px;margin:0 auto 3.5rem;text-align:center}
.courses__head .section__title{text-align:center}
.courses__head .section__sub{margin:0 auto;text-align:center}
.courses__grid{position:relative;z-index:2;max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.course{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:2rem;transition:all .4s var(--ease);position:relative;overflow:hidden}
.course::before{content:'';position:absolute;top:0;left:0;width:100%;height:4px;background:var(--accent);border-radius:20px 20px 0 0}
.course:hover{background:rgba(255,255,255,.06);transform:translateY(-6px);border-color:var(--accent)}
.course__flag{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;background:var(--accent);color:#fff;font-family:var(--font-display);font-weight:700;font-size:1rem;border-radius:12px;margin-bottom:1.2rem;letter-spacing:.05em}
.course__name{font-family:var(--font-display);font-size:1.5rem;font-weight:700;color:#fff;margin-bottom:.5rem}
.course__desc{font-size:.9rem;color:rgba(255,255,255,.6);line-height:1.6;margin-bottom:1.2rem}
.course__tags{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem;margin-bottom:1.2rem}
.course__tags li{font-family:var(--font-ui);font-size:.75rem;font-weight:500;padding:.3rem .7rem;background:rgba(255,255,255,.06);border-radius:6px;color:rgba(255,255,255,.7)}
.course__level{font-family:var(--font-ui);font-size:.78rem;font-weight:600;color:var(--accent);letter-spacing:.04em}

/* Method */
.method{padding:var(--s-xl,8rem) clamp(1.5rem,5vw,4rem);background:var(--bg)}
.method__head{max-width:720px;margin:0 auto 3.5rem;text-align:center}
.method__head .section__title{text-align:center}
.method__head .section__sub{margin:0 auto;text-align:center}
.method__grid{max-width:1100px;margin:0 auto 4rem;display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.step{background:var(--surface);border-radius:20px;padding:2.5rem 2rem;text-align:center;position:relative;transition:all .4s var(--ease);border:1px solid var(--line)}
.step:hover{transform:translateY(-4px);box-shadow:0 16px 40px rgba(0,0,0,.06)}
.step__number{font-family:var(--font-display);font-size:2.8rem;font-weight:700;color:var(--teal);opacity:.15;line-height:1;margin-bottom:.5rem}
.step__icon{width:52px;height:52px;display:flex;align-items:center;justify-content:center;background:var(--teal-light);color:var(--teal);border-radius:14px;margin:0 auto 1.2rem;font-size:1.4rem}
.step__title{font-family:var(--font-display);font-size:1.2rem;font-weight:600;margin-bottom:.6rem;color:var(--ink)}
.step__desc{font-size:.88rem;color:var(--muted);line-height:1.6}
.method__image{max-width:1100px;margin:0 auto;position:relative;border-radius:24px;overflow:hidden}
.method__image img{width:100%;aspect-ratio:21/9;object-fit:cover}
.method__image-caption{position:absolute;bottom:1.5rem;left:1.5rem;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);padding:.8rem 1.4rem;border-radius:50px;display:flex;align-items:center;gap:.6rem}
.method__image-caption i{color:var(--coral);font-size:1.3rem}
.method__image-caption span{font-family:var(--font-ui);font-size:.85rem;font-weight:500;color:var(--ink)}

/* Results */
.results{padding:var(--s-xl,8rem) clamp(1.5rem,5vw,4rem);background:linear-gradient(135deg,#1a1f2e 0%,#1e3a4f 100%);color:#fff;position:relative;overflow:hidden}
.results::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 70% 30%,rgba(45,180,168,.1),transparent 50%)}
.results__head{position:relative;z-index:2;max-width:720px;margin:0 auto 3rem;text-align:center}
.results__head .section__title{text-align:center}
.results__head .section__sub{margin:0 auto;text-align:center}
.results__stats{position:relative;z-index:2;max-width:1100px;margin:0 auto 4rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.stat{text-align:center;padding:1.5rem}
.stat__num{display:block;font-family:var(--font-display);font-size:clamp(2.2rem,5vw,3.2rem);font-weight:700;color:var(--teal);line-height:1;margin-bottom:.6rem}
.stat__label{font-family:var(--font-ui);font-size:.82rem;color:rgba(255,255,255,.6);line-height:1.5}
.results__testimonials{position:relative;z-index:2;max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.review{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:2rem;transition:all .4s var(--ease)}
.review:hover{background:rgba(255,255,255,.06);transform:translateY(-4px)}
.review__stars{display:flex;gap:.15rem;margin-bottom:1rem}
.review__stars i{color:var(--amber);font-size:.95rem}
.review blockquote{font-size:.98rem;line-height:1.7;margin-bottom:1.2rem;color:rgba(255,255,255,.9);font-weight:300}
.review figcaption{display:flex;flex-direction:column;gap:.2rem;padding-top:1rem;border-top:1px solid rgba(255,255,255,.1)}
.review figcaption strong{font-family:var(--font-ui);font-weight:600;font-size:.88rem;color:#fff}
.review figcaption span{font-family:var(--font-ui);font-size:.75rem;color:var(--teal)}

/* Enroll */
.enroll{padding:var(--s-xl,8rem) clamp(1.5rem,5vw,4rem);background:var(--bg)}
.enroll__grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.enroll__left .section__title{text-align:left}
.enroll__intro{color:var(--muted);font-size:1rem;max-width:48ch;margin-bottom:2rem;line-height:1.8}
.enroll__contact{display:flex;flex-direction:column;gap:1rem;margin-bottom:2rem}
.enroll__contact a,.enroll__contact p{display:flex;align-items:center;gap:.7rem;font-family:var(--font-ui);font-size:.9rem;color:var(--ink-soft);transition:color .3s var(--ease)}
.enroll__contact a:hover{color:var(--teal)}
.enroll__contact i{font-size:1.1rem;color:var(--teal);width:20px;text-align:center}
.enroll__image{border-radius:20px;overflow:hidden}
.enroll__image img{width:100%;aspect-ratio:16/10;object-fit:cover}
.enroll__right{background:var(--surface);border-radius:24px;padding:2.5rem;border:1px solid var(--line);box-shadow:0 16px 48px rgba(0,0,0,.06)}
.form__title{font-family:var(--font-display);font-size:1.4rem;font-weight:700;margin-bottom:1.5rem;color:var(--ink)}
.form__field{margin-bottom:1.2rem}
.form__field label{display:block;font-family:var(--font-ui);font-size:.8rem;font-weight:600;color:var(--ink-soft);margin-bottom:.4rem}
.form__field input,.form__field select,.form__field textarea{width:100%;font-family:var(--font-body);font-size:.95rem;padding:.85rem 1rem;background:var(--bg);border:2px solid var(--line);border-radius:12px;color:var(--ink);transition:all .3s var(--ease)}
.form__field input:focus,.form__field select:focus,.form__field textarea:focus{outline:none;border-color:var(--teal);background:#fff;box-shadow:0 0 0 4px rgba(45,180,168,.1)}
.form__field textarea{resize:vertical}
.form__note{margin-top:1rem;padding:.9rem 1.2rem;background:var(--teal-light);border-radius:12px;color:var(--teal-dark);font-size:.88rem;font-weight:500}
.form__privacy{margin-top:1rem;display:flex;align-items:center;gap:.4rem;font-family:var(--font-ui);font-size:.76rem;color:var(--muted)}
.form__privacy i{color:var(--teal);font-size:.9rem}

/* Footer */
.footer{background:var(--ink);color:#fff;padding:3.5rem clamp(1.5rem,5vw,4rem) 2rem}
.footer__inner{max-width:1200px;margin:0 auto;text-align:center}
.footer__brand{display:flex;align-items:center;justify-content:center;gap:.6rem;margin-bottom:.8rem}
.footer__brand-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--teal);color:#fff;border-radius:10px}
.footer__brand-icon i{font-size:1.1rem}
.footer__brand-cn{font-family:var(--font-display);font-size:1.4rem;font-weight:700;display:block}
.footer__brand-en{font-family:var(--font-ui);font-size:.6rem;letter-spacing:.2em;color:var(--teal);display:block}
.footer__desc{font-family:var(--font-display);font-size:.95rem;color:rgba(255,255,255,.5);margin-bottom:1.5rem}
.footer__links{display:flex;justify-content:center;gap:1.8rem;flex-wrap:wrap;margin-bottom:2rem}
.footer__links a{font-family:var(--font-ui);font-size:.85rem;color:rgba(255,255,255,.6);transition:color .3s var(--ease)}
.footer__links a:hover{color:var(--teal)}
.footer__copy{font-family:var(--font-ui);font-size:.76rem;color:rgba(255,255,255,.35);padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.08)}

/* Reveal */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
.hero .reveal:nth-child(1){transition-delay:.1s}
.hero .reveal:nth-child(2){transition-delay:.2s}
.hero .reveal:nth-child(3){transition-delay:.3s}
.hero .reveal:nth-child(4){transition-delay:.4s}
.hero .reveal:nth-child(5){transition-delay:.5s}

/* Responsive */
@media(max-width:968px){
  .hero__content{grid-template-columns:1fr;gap:2rem}
  .hero__right{max-width:500px;margin:0 auto}
  .why__grid{grid-template-columns:repeat(2,1fr)}
  .courses__grid{grid-template-columns:repeat(2,1fr)}
  .method__grid{grid-template-columns:1fr;max-width:500px}
  .results__stats{grid-template-columns:repeat(2,1fr)}
  .results__testimonials{grid-template-columns:1fr;max-width:500px}
  .enroll__grid{grid-template-columns:1fr}
}
@media(max-width:720px){
  .nav__links{position:fixed;top:0;right:-100%;width:80%;max-width:320px;height:100vh;background:var(--ink);flex-direction:column;justify-content:center;padding:2rem;gap:1.5rem;transition:right .5s var(--ease);box-shadow:-10px 0 40px rgba(0,0,0,.2)}
  .nav__links.open{right:0}
  .nav__links a{color:#fff!important;font-size:1rem}
  .nav__toggle{display:block;z-index:101}
  .hero{padding:7rem 1.5rem 3rem}
  .hero__title{font-size:clamp(2rem,9vw,3.2rem)}
  .hero__actions .btn{flex:1;justify-content:center;min-width:140px}
  .hero__badges{gap:1rem}
  .why__grid{grid-template-columns:1fr}
  .courses__grid{grid-template-columns:1fr}
  .results__stats{grid-template-columns:1fr 1fr;gap:.5rem}
  .enroll__right{padding:1.8rem 1.5rem}
  .footer__links{gap:1rem}
}

/* Reduced motion */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important}
}