:root{--bg:#ffffff;--bg-alt:#f5f7fb;--surface:#ffffff;--text:#16202e;--muted:#5b6472;--brand:#2f6df6;--brand-dark:#1e50c6;--brand-soft:#e8f0fe;--accent:#0ea36b;--border:#e6e9ef;--radius:16px;--shadow:0 1px 3px rgba(20,30,50,0.06),0 10px 30px rgba(20,30,50,0.06)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,PingFang TC,Microsoft JhengHei,Segoe UI,system-ui,sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}h1,h2,h3,h4{line-height:1.3}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}.btn{display:inline-block;padding:11px 22px;border-radius:999px;font-weight:600;font-size:.98rem;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background .12s ease;border:1.5px solid transparent}.btn-lg{padding:14px 30px;font-size:1.05rem}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark);transform:translateY(-1px)}.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}.btn.block{display:block;text-align:center;margin-top:18px}.site-header{background:rgba(255,255,255,.85);-webkit-backdrop-filter:saturate(180%) blur(10px);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:20}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{display:flex;align-items:baseline;gap:8px;min-width:0}.logo-en{font-weight:800;font-size:1.1rem}.logo-en,.logo-zh{white-space:nowrap}.logo-zh{font-size:.85rem;color:var(--muted);font-weight:600}@media (max-width:560px){.logo-zh{display:none}.logo-en{font-size:1rem}}.nav-toggle{background:none;border:none;cursor:pointer;font-size:1.5rem;line-height:1;color:var(--text);padding:6px 8px}.mobile-menu,.nav-toggle{display:none}@media (max-width:820px){.nav.nav-desktop{display:none}.nav-toggle{display:block}.mobile-menu{display:flex;flex-direction:column;gap:2px;padding:10px 20px 18px;border-top:1px solid var(--border);background:var(--surface)}.mobile-menu>a{padding:12px 10px;font-weight:600;color:var(--text);border-radius:8px}.mobile-menu>a:hover{background:var(--brand-soft);color:var(--brand)}.mobile-cta{background:var(--brand);color:#fff!important;text-align:center;margin-top:8px}.mobile-lang{display:flex;gap:8px;margin-top:12px}.mobile-lang .lang-opt{flex:1 1;text-align:center;border:1px solid var(--border);border-radius:8px;padding:9px 0;font-weight:600;color:var(--muted)}.mobile-lang .lang-opt.active{background:var(--brand);color:#fff;border-color:var(--brand)}}.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap}.nav a{padding:6px 12px;color:var(--muted);font-weight:600;font-size:.95rem;border-radius:8px}.nav a:hover{color:var(--brand);background:var(--brand-soft)}.nav .nav-cta{background:var(--brand);color:#fff}.nav .nav-cta:hover{background:var(--brand-dark);color:#fff}.lang-switch{display:inline-flex;margin-left:8px;border:1px solid var(--border);border-radius:8px;overflow:hidden}.lang-opt{padding:5px 9px;font-size:.82rem;font-weight:600;color:var(--muted)}.lang-opt:hover{background:var(--brand-soft);color:var(--brand)}.lang-opt.active{background:var(--brand);color:#fff}.hero,.section{max-width:1120px;margin:0 auto;padding:64px 20px}.section-title{font-size:2rem;text-align:center;margin:0 0 12px;letter-spacing:-.5px}.section-lead{text-align:center;color:var(--muted);max-width:640px;margin:0 auto 36px}.hero{text-align:center;padding-top:80px;padding-bottom:40px}.hero-badge{display:inline-block;background:var(--brand-soft);color:var(--brand-dark);font-weight:700;font-size:.9rem;padding:6px 16px;border-radius:999px;margin-bottom:22px}.hero-title-en{font-size:3rem;margin:0 0 10px;letter-spacing:-1px;line-height:1.15}.hero-title-zh{font-size:1.75rem;font-weight:700;color:var(--brand-dark);margin:0 0 18px}.hero-sub{font-size:1.12rem;color:var(--muted);max-width:700px;margin:0 auto 30px}.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.hero-photo{position:relative;max-width:none;width:100%;margin:0;padding:0;text-align:left;overflow:hidden;background:#0E1A2B url(/hero.jpg) 62% 46%/124% no-repeat}.hero-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,16,28,.9),rgba(9,16,28,.72) 42%,rgba(9,16,28,.45))}.hero-content{position:relative;max-width:1120px;margin:0 auto;padding:108px 20px 96px}.hero-photo .hero-badge{background:rgba(156,192,255,.16);color:#C7D6F5;border:1px solid rgba(156,192,255,.3)}.hero-photo .hero-title-en{color:#ffffff;font-size:2.1rem}@media (min-width:700px){.hero-photo .hero-title-en{white-space:nowrap;font-size:min(3rem,4vw)}}.hero-photo .hero-title-zh{color:#9CC0FF}.hero-photo .hero-sub{color:#C3CEDF;margin-left:0;margin-right:0;max-width:620px}.hero-photo .hero-cta{justify-content:flex-start}.btn-hero-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);color:#fff}.btn-hero-ghost:hover{background:rgba(255,255,255,.16);border-color:#fff;color:#fff}.highlight-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));grid-gap:22px;gap:22px}.highlight-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);text-align:center}.highlight-icon{font-size:2.4rem;margin-bottom:12px}.highlight-card h3{margin:0 0 8px;font-size:1.25rem}.highlight-card p{margin:0;color:var(--muted)}.two-col{display:grid;grid-template-columns:1fr 1fr;grid-gap:22px;gap:22px}.panel{background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:28px}.panel-accent{background:var(--brand-soft);border-color:#cfe0fd}.panel h3{margin:0 0 16px;font-size:1.2rem}.check-list{list-style:none;margin:0;padding:0}.check-list li{position:relative;padding-left:30px;margin-bottom:12px;color:var(--text)}.check-list li:before{content:"✓";position:absolute;left:0;top:0;color:#fff;background:var(--accent);width:20px;height:20px;border-radius:50%;font-size:.72rem;font-weight:700;display:flex;align-items:center;justify-content:center}.check-list.plain li:before{content:"•";background:transparent;color:var(--brand);font-size:1.4rem;top:-4px}.phase-row{display:grid;grid-template-columns:repeat(5,1fr);grid-gap:14px;gap:14px}.phase{position:relative;text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px 12px;box-shadow:var(--shadow)}.phase-num{width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}.phase-weeks{font-size:.78rem;color:var(--muted);margin-bottom:6px}.phase-zh{font-weight:700;font-size:1.05rem}.phase-en{font-size:.82rem;color:var(--muted)}.topic-tabs{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:28px}.topic-tab{display:inline-flex;align-items:center;gap:7px;border:1.5px solid var(--border);background:var(--surface);color:var(--muted);padding:9px 18px;border-radius:999px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .15s ease}.topic-tab:hover{border-color:var(--brand);color:var(--brand)}.topic-tab.active{background:var(--brand);border-color:var(--brand);color:#fff}.topic-tab-emoji{font-size:1.05rem}.topic-panel{max-width:900px;margin:0 auto;background:var(--bg-alt);border:1px solid var(--border);border-radius:var(--radius);padding:34px 30px}.topic-panel-title{text-align:center;font-size:1.5rem;margin:0 0 6px}.topic-tagline{color:var(--muted);margin:0 0 26px}.topic-placeholder,.topic-tagline{text-align:center}.topic-placeholder-lead{font-weight:600;margin-bottom:4px}.slides-wrap{max-width:900px;margin:0 auto}.slides-frame{width:100%;height:620px;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);background:#fff}.slides-actions{display:flex;gap:12px;justify-content:center;margin-top:20px;flex-wrap:wrap}.slides-placeholder{max-width:760px;margin:0 auto;text-align:center;background:var(--bg-alt);border:2px dashed var(--border);border-radius:var(--radius);padding:40px 28px}.slides-placeholder-badge{display:inline-block;background:var(--brand);color:#fff;font-weight:700;padding:6px 18px;border-radius:999px;margin-bottom:16px}.slides-topics{list-style:none;padding:0;margin:18px auto 0;max-width:560px;text-align:left}.slides-topics li{padding:10px 16px;background:var(--surface);border:1px solid var(--border);border-radius:10px;margin-bottom:10px}.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:22px;gap:22px;align-items:stretch}.price-card{position:relative;display:flex;flex-direction:column;background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow);text-align:center}.price-card.featured{border-color:var(--brand);box-shadow:0 10px 34px rgba(47,109,246,.18)}.price-card .btn.block{margin-top:auto}.price-ribbon{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--brand);color:#fff;font-size:.82rem;font-weight:700;padding:4px 16px;border-radius:999px}.price-card h3{margin:6px 0 2px;font-size:1.35rem}.price-en{color:var(--muted);font-size:.9rem;margin-bottom:14px}.price-perclass-big{font-size:2.7rem;font-weight:800;color:var(--brand-dark);line-height:1.1}.price-per-unit{font-size:1rem;font-weight:600;color:var(--muted);margin-left:4px}.price-perclass-alt{color:var(--brand);font-weight:700;font-size:1.05rem;margin-top:2px}.price-total-line{color:var(--muted);font-size:.92rem;margin-top:4px}.price-alt{color:var(--brand);font-weight:600;font-size:.9rem;margin-top:3px}.price-save{display:inline-block;margin-top:10px;background:#fff8e6;color:#a6791b;border:1px solid #f2e2b8;border-radius:999px;padding:3px 14px;font-weight:700;font-size:.85rem}.price-amount{font-size:2.4rem;font-weight:800;color:var(--brand-dark)}.price-unit{color:var(--muted);font-size:.92rem}.price-perclass{color:var(--accent);font-weight:600;font-size:.9rem;margin:6px 0 18px}.price-card .check-list{text-align:left;display:inline-block}.price-note{text-align:center;color:var(--muted);margin-top:26px}.why-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:18px;gap:18px}.why-card{display:flex;gap:14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px}.why-check{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:center}.why-card h4{margin:0 0 4px;font-size:1.1rem}.why-card p{margin:0;color:var(--muted)}.faq-list{max-width:760px;margin:0 auto}.faq-item{border:1px solid var(--border);border-radius:12px;margin-bottom:12px;overflow:hidden;background:var(--surface)}.faq-q{width:100%;text-align:left;background:none;border:none;cursor:pointer;padding:18px 20px;font-size:1.05rem;font-weight:600;color:var(--text);display:flex;justify-content:space-between;align-items:center;gap:12px}.faq-item.open{border-color:var(--brand)}.faq-icon{color:var(--brand);font-size:1.4rem;flex-shrink:0}.faq-a{padding:0 20px 18px;color:var(--muted)}.cta-band{background:linear-gradient(135deg,rgba(47,109,246,.93),rgba(30,80,198,.95)),#1E50C6 url(/contact-bg.jpg) 50% /cover no-repeat;color:#fff;text-align:center;padding:64px 20px;margin-top:20px}.cta-band h2{font-size:1.9rem;margin:0 0 8px}.cta-band p{opacity:.92;margin:0 0 26px}.form-wrap{max-width:620px;margin:0 auto;background:#fff;color:var(--text);border-radius:var(--radius);padding:30px;box-shadow:0 20px 50px rgba(0,0,0,.18);text-align:left}.contact-form label{display:block;font-weight:600;font-size:.92rem;margin-bottom:14px}.contact-form input,.contact-form textarea{width:100%;margin-top:6px;padding:11px 14px;font-size:1rem;font-family:inherit;border:1.5px solid var(--border);border-radius:10px;background:#fafbfd;color:var(--text)}.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--brand);background:#fff}.contact-form textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;grid-gap:16px;gap:16px}.contact-form .btn.block{margin-top:8px}.form-success{max-width:620px;margin:0 auto;background:#fff;color:var(--accent);border-radius:var(--radius);padding:40px 30px;font-size:1.2rem;font-weight:700;box-shadow:0 20px 50px rgba(0,0,0,.18)}.form-placeholder{max-width:620px;margin:0 auto;background:rgba(255,255,255,.15);border:1.5px dashed rgba(255,255,255,.5);border-radius:var(--radius);padding:30px;font-weight:600}.form-error{color:#ffd7d7;margin-top:12px;text-align:center;font-weight:600}.faculty-member{padding-top:20px}.fm-head{gap:28px;margin-bottom:24px;flex-wrap:wrap}.fm-avatar,.fm-head{display:flex;align-items:center}.fm-avatar{flex-shrink:0;width:120px;height:120px;border-radius:24px;overflow:hidden;background:linear-gradient(135deg,var(--brand),var(--brand-dark));color:#fff;justify-content:center;font-size:2.4rem;font-weight:800;box-shadow:var(--shadow)}.fm-avatar img{width:100%;height:100%;object-fit:cover}.fm-head-text{flex:1 1;min-width:260px}.fm-role{color:var(--brand);font-weight:700;font-size:.9rem;letter-spacing:.5px}.fm-name{font-size:2rem;margin:4px 0 6px}.fm-name-en{font-size:1.1rem;color:var(--muted);font-weight:500}.fm-credential{font-weight:600;color:var(--text);margin-bottom:8px}.fm-tagline{color:var(--muted);margin:0;max-width:620px;text-wrap:pretty}.fm-awards{display:flex;flex-wrap:wrap;align-items:center;gap:10px;background:#fff8e6;border:1px solid #f2e2b8;border-radius:12px;padding:14px 18px;margin-bottom:26px}.fm-awards-label{font-weight:700;color:#a6791b}.fm-award{background:#fff;border:1px solid #f0e4c0;border-radius:999px;padding:5px 14px;font-size:.9rem;font-weight:600}.fm-groups{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.fm-group{background:var(--surface);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);border:1px solid var(--border);border-top:4px solid var(--brand)}.fm-group.star{border-top-color:#d99a1c}.fm-group h3{margin:0 0 14px;font-size:1.15rem}.fm-star{color:#d99a1c}.fm-group ul{list-style:none;margin:0;padding:0}.fm-group li{position:relative;padding-left:20px;margin-bottom:10px;color:var(--text);font-size:.96rem}.fm-group li:before{content:"•";position:absolute;left:2px;color:var(--brand);font-size:1.2rem;top:-3px}.fm-group-footer{margin-top:14px;padding-top:12px;border-top:1px dashed var(--border);font-weight:700;color:#a6791b}.site-footer{padding:28px 0;border-top:1px solid var(--border);color:var(--muted);font-size:.9rem;text-align:center}@media (max-width:860px){.fm-groups,.form-row,.two-col,.why-grid{grid-template-columns:1fr}.fm-head{flex-direction:column;text-align:center}.fm-tagline{margin-left:auto;margin-right:auto}.price-grid{grid-template-columns:1fr}.price-card.featured{transform:none}.phase-row{grid-template-columns:1fr 1fr}}@media (max-width:600px){.hero h1{font-size:2.1rem}.hero-sub{font-size:1.05rem}.section-title{font-size:1.6rem}.phase-row{grid-template-columns:1fr}.slides-frame{height:420px}.nav a{padding:6px 8px;font-size:.9rem}.hero-photo{background-position:72% 38%;background-size:cover}.hero-overlay{background:linear-gradient(180deg,rgba(9,16,28,.72),rgba(9,16,28,.88))}.hero-content{padding:72px 20px 64px}}