html{scroll-behavior:smooth}:root{--font-main: "Outfit", "Noto Sans TC", sans-serif;--bg-gradient: radial-gradient(circle at top left, #f0f4ff, #eef2ff, #fafafa);--glass-panel: rgba(255, 255, 255, .65);--glass-border: rgba(255, 255, 255, .4);--glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, .07);--text-main: #1e293b;--text-muted: #64748b;--primary: #6366f1;--primary-hover: #4f46e5;--color-blue: #3B82F6;--color-green: #10B981;--color-purple: #8B5CF6;--color-orange: #F97316;--color-pink: #EC4899;--color-red: #EF4444}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background:var(--bg-gradient);color:var(--text-main);line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:700}a{text-decoration:none;color:inherit}ul{list-style:none}section{padding:5rem 1.5rem;max-width:1200px;margin:0 auto}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1.5rem}.glass-card{background:var(--glass-panel);backdrop-filter:blur(12px) saturate(180%);-webkit-backdrop-filter:blur(12px) saturate(180%);border:1px solid var(--glass-border);border-radius:24px;box-shadow:var(--glass-shadow);padding:2rem;transition:transform .3s ease,box-shadow .3s ease}.glass-card:hover{transform:translateY(-5px);box-shadow:0 12px 40px #1f26871f}.btn{display:inline-block;padding:.8rem 2rem;border-radius:50px;font-weight:600;font-size:1.1rem;cursor:pointer;transition:all .3s ease;text-align:center}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 15px #6366f166}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px #6366f199}.text-gradient{background:linear-gradient(135deg,var(--primary),var(--color-purple));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.center-text{text-align:center}header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem;max-width:1200px;margin:0 auto}.logo{font-size:1.5rem;font-weight:700;color:var(--text-main);letter-spacing:-.5px}.hero{display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:6rem;padding-bottom:4rem}.hero h1{font-size:3.5rem;margin-bottom:1.5rem;max-width:800px;letter-spacing:-1px}.hero h2{font-size:2rem;font-weight:500;color:var(--text-main);margin-bottom:1rem}.hero p.lead{font-size:1.25rem;color:var(--text-muted);max-width:650px;margin-bottom:2.5rem}.hero-image-placeholder{width:100%;height:auto;background:transparent;border-radius:20px;box-shadow:0 20px 60px #6366f126,0 0 0 1px #ffffff80;margin-top:3rem;position:relative;overflow:hidden;line-height:0}.hero-image-placeholder video{width:100%;height:auto;display:block;transform:scale(1.06) translate(15px) translateY(5px);transform-origin:center 20%}.hero-image-placeholder:after{display:none}.intro-section{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}.intro-text h3{font-size:2.5rem;margin-bottom:1.5rem}.intro-text p{font-size:1.1rem;color:var(--text-muted);margin-bottom:1.5rem}.feature-list li{font-size:1.1rem;margin-bottom:1rem;display:flex;align-items:center}.feature-list li strong{color:var(--primary);margin-right:.5rem}.core-features-title{text-align:center;font-size:3rem;margin-bottom:4rem}.core-features-copy{text-align:center;font-size:1.4rem;margin-bottom:4rem}.section-connector{width:2px;height:80px;background:var(--primary);margin:0 auto 2rem;opacity:.3;border-radius:4px}.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;margin-bottom:4rem}.feature-card{position:relative;overflow:hidden}.feature-card h4{font-size:1.5rem;margin-bottom:1rem;color:var(--primary);position:relative;z-index:1;margin-top:2rem}.feature-card .step-icon{position:absolute;top:-4rem;left:-2rem;width:8rem;height:8rem;color:var(--primary);opacity:.08;z-index:0;background:none;padding:0;border-radius:0}.feature-card h3{font-size:1rem;margin-bottom:.5rem}.feature-card p{color:var(--text-muted)}.detail-feature{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center;margin-bottom:6rem}.detail-feature.reverse{direction:rtl}.detail-feature.reverse>*{direction:ltr}.detail-content h3{font-size:2.5rem;margin-bottom:1.5rem}.detail-content p{font-size:1.1rem;color:var(--text-muted);margin-bottom:1.5rem}.detail-content .highlight-box{background:#6366f10d;border-left:4px solid var(--primary);padding:1.5rem;border-radius:0 12px 12px 0;margin-top:1rem}.img-placeholder{width:100%;height:350px;background:linear-gradient(135deg,#f5f7fa,#c3cfe2);border-radius:20px;display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-weight:500}.video-container{width:100%;border-radius:20px;overflow:hidden;box-shadow:0 10px 30px -10px #0000001a;background:#f5f5f5;line-height:0}.video-container video{width:100%;height:auto;display:block}.bottom-cta{text-align:center;padding:6rem 1.5rem;margin-bottom:4rem}.bottom-cta h2{font-size:2.5rem;margin-bottom:2.5rem}.join-form{display:flex;flex-direction:column;gap:1.5rem;max-width:400px;margin:0 auto}.glass-input{width:100%;padding:1rem 1.5rem;border-radius:50px;border:1px solid var(--glass-border);background:#fff9;backdrop-filter:blur(4px);font-family:var(--font-main);font-size:1rem;color:var(--text-main);outline:none;transition:all .3s ease}.glass-input:focus{background:#ffffffe6;border-color:var(--primary);box-shadow:0 0 0 3px #6366f133}.glass-input::placeholder{color:var(--text-muted)}footer{text-align:center;padding:3rem;color:var(--text-muted);border-top:1px solid rgba(0,0,0,.05)}@media(max-width:768px){.hero h1{font-size:2.5rem;margin-bottom:1rem}.hero{padding-top:4rem;padding-bottom:2rem}.intro-section,.detail-feature,.features-grid{grid-template-columns:1fr;gap:2rem}.detail-feature.reverse{direction:ltr}.core-features-title{font-size:2rem}.core-features-copy{font-size:1rem}.bottom-cta h2{font-size:1.6rem}}.reveal{opacity:0;transform:translateY(30px);transition:all 1s cubic-bezier(.5,0,0,1)}.reveal.active{opacity:1;transform:translateY(0)}.feature-card:nth-child(1){transition-delay:.1s}.feature-card:nth-child(2){transition-delay:.2s}.feature-card:nth-child(3){transition-delay:.3s}.feature-card:nth-child(4){transition-delay:.4s}.hero h1{transition-delay:.1s}.hero p{transition-delay:.3s}.hero .btn{transition-delay:.5s}.hero-image-placeholder{transition-delay:.7s}