:root{--primary: #6366F1;--primary-light: #818CF8;--primary-dark: #4F46E5;--primary-glow: rgba(99, 102, 241, .2);--accent: #34D399;--accent-light: #6EE7B7;--accent-dark: #10B981;--accent-glow: rgba(52, 211, 153, .15);--blue: #3B82F6;--blue-light: #60A5FA;--blue-glow: rgba(59, 130, 246, .15);--bg-deep: #050508;--bg-space: #0A0C10;--bg-surface: #12141A;--bg-card: rgba(18, 20, 26, .9);--bg-card-hover: rgba(26, 29, 38, .95);--text-primary: #F1F5F9;--text-secondary: #94A3B8;--text-muted: #64748B;--border: rgba(100, 116, 139, .12);--border-accent: rgba(99, 102, 241, .25);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 16px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .6);--shadow-glow: 0 0 40px var(--primary-glow);--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--spacing-2xl: 4rem;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--transition-fast: .15s ease;--transition: .3s ease;--transition-slow: .5s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Noto Sans TC,Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-deep);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}.starfield{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-3;background:linear-gradient(180deg,#050508,#080a0f,#050508)}.stars{position:absolute;width:100%;height:100%;background-image:radial-gradient(2px 2px at 100px 50px,rgba(255,255,255,.9),transparent),radial-gradient(1.5px 1.5px at 200px 150px,rgba(255,255,255,.7),transparent),radial-gradient(2px 2px at 300px 250px,rgba(255,255,255,.8),transparent),radial-gradient(1px 1px at 400px 350px,rgba(255,255,255,.6),transparent),radial-gradient(2.5px 2.5px at 500px 100px,rgba(255,255,255,.85),transparent),radial-gradient(1.5px 1.5px at 50px 300px,rgba(255,255,255,.7),transparent),radial-gradient(1px 1px at 250px 400px,rgba(255,255,255,.5),transparent),radial-gradient(2px 2px at 150px 200px,rgba(200,220,255,.8),transparent),radial-gradient(1.5px 1.5px at 350px 50px,rgba(255,255,255,.75),transparent),radial-gradient(1px 1px at 450px 280px,rgba(200,220,255,.6),transparent),radial-gradient(2px 2px at 80px 120px,rgba(255,255,255,.7),transparent),radial-gradient(1.5px 1.5px at 520px 380px,rgba(255,255,255,.65),transparent);background-size:600px 500px;animation:starDrift 120s linear infinite,starTwinkle 4s ease-in-out infinite;opacity:1}.stars:nth-child(2){background-position:120px 100px;animation:starDrift 150s linear infinite reverse;opacity:.8}.stars:nth-child(3){background-position:-100px -80px;animation:starDrift 180s linear infinite;opacity:.6}@keyframes starDrift{0%{transform:translateY(0) translate(0)}to{transform:translateY(-150px) translate(80px)}}@keyframes starTwinkle{0%,to{opacity:1}50%{opacity:.7}}.nebula{position:fixed;top:0;left:0;width:100%;height:100%;z-index:-2;background:radial-gradient(ellipse 60% 40% at 15% 20%,rgba(59,130,246,.04),transparent 50%),radial-gradient(ellipse 50% 50% at 85% 25%,rgba(99,102,241,.03),transparent 50%),radial-gradient(ellipse 40% 30% at 50% 85%,rgba(59,130,246,.025),transparent 50%);animation:nebulaBreath 30s ease-in-out infinite alternate}@keyframes nebulaBreath{0%{opacity:1}to{opacity:.7}}.floating-orb{position:fixed;border-radius:50%;z-index:-1;pointer-events:none}.floating-orb:nth-child(1){width:600px;height:600px;background:radial-gradient(circle,rgba(59,130,246,.03),transparent 60%);top:-10%;right:-5%;filter:blur(60px);animation:floatSlow 40s ease-in-out infinite}.floating-orb:nth-child(2){width:500px;height:500px;background:radial-gradient(circle,rgba(99,102,241,.025),transparent 60%);bottom:-5%;left:-10%;filter:blur(80px);animation:floatSlow 50s ease-in-out infinite reverse}.floating-orb:nth-child(3){width:400px;height:400px;background:radial-gradient(circle,rgba(52,211,153,.02),transparent 60%);top:50%;left:60%;filter:blur(60px);animation:floatSlow 35s ease-in-out infinite;animation-delay:-15s}@keyframes floatSlow{0%,to{transform:translate(0)}25%{transform:translate(20px,-15px)}50%{transform:translate(-10px,10px)}75%{transform:translate(15px,5px)}}.shooting-star{position:fixed;width:4px;height:4px;background:#fff9;border-radius:50%;z-index:-1;animation:floatParticle 20s ease-in-out infinite;box-shadow:0 0 6px #ffffff4d}.shooting-star:nth-child(1){top:15%;left:10%;animation-delay:0s;width:3px;height:3px}.shooting-star:nth-child(2){top:25%;left:80%;animation-delay:-7s;width:2px;height:2px;opacity:.5}.shooting-star:nth-child(3){top:60%;left:20%;animation-delay:-14s;width:3px;height:3px;opacity:.7}@keyframes floatParticle{0%,to{transform:translate(0) scale(1);opacity:.4}25%{transform:translate(30px,-40px) scale(1.2);opacity:.8}50%{transform:translate(-20px,20px) scale(.8);opacity:.3}75%{transform:translate(40px,30px) scale(1.1);opacity:.6}}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;padding:1.25rem 2rem;background:transparent;transition:var(--transition)}.navbar.scrolled{background:#050508f2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--border);box-shadow:var(--shadow-md)}.navbar-container{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}.navbar-brand{display:flex;align-items:center;gap:.625rem;font-size:1.375rem;font-weight:600;color:var(--text-primary);transition:var(--transition);letter-spacing:-.01em}.navbar-brand:hover{opacity:.9}.brand-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),var(--blue));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem}.navbar-menu{display:flex;gap:2.5rem;list-style:none}.nav-link{color:var(--text-muted);font-size:.9375rem;font-weight:500;padding:.5rem 0;position:relative;transition:var(--transition)}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary);transition:var(--transition);border-radius:1px}.nav-link:hover{color:var(--text-primary)}.nav-link:hover:after{width:100%}.navbar-actions{display:flex;align-items:center;gap:.75rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.25rem;font-size:.9375rem;font-weight:500;border-radius:var(--radius-md);border:none;cursor:pointer;transition:var(--transition);text-decoration:none;white-space:nowrap}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 8px var(--primary-glow)}.btn-primary:hover{background:var(--primary-light);transform:translateY(-1px);box-shadow:0 4px 16px var(--primary-glow)}.btn-secondary{background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-card-hover);border-color:var(--primary)}.btn-accent{background:transparent;color:var(--text-primary);font-weight:600;border:1px solid var(--blue-light)}.btn-accent:hover{background:var(--blue);border-color:var(--blue);color:#fff;transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--text-muted);padding:.5rem 1rem}.btn-ghost:hover{color:var(--text-primary);background:#64748b14}.btn-lg{padding:.875rem 1.75rem;font-size:1rem}.btn-outline{background:transparent;color:var(--text-primary);border:1px solid var(--border)}.btn-outline:hover{border-color:var(--primary);background:#6366f114}.hero{min-height:100vh;display:flex;align-items:center;padding:120px 2rem 80px;position:relative}.hero-container{max-width:1280px;margin:0 auto;width:100%;display:grid;grid-template-columns:1fr 1fr;gap:5rem;align-items:center}.hero-content{animation:fadeInUp .8s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.hero-badge{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background:#3b82f614;border:1px solid rgba(59,130,246,.15);border-radius:var(--radius-full);font-size:.8125rem;color:var(--blue-light);margin-bottom:1.5rem;font-weight:500}.hero-badge-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 2.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}.hero-title{font-size:clamp(2.25rem,4.5vw,3.5rem);font-weight:700;line-height:1.2;margin-bottom:1.25rem;letter-spacing:-.02em;color:var(--text-primary)}.text-gradient{background:linear-gradient(135deg,var(--blue-light) 0%,var(--primary-light) 50%,var(--accent-light) 100%);background-size:200% 200%;-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;animation:gradientShift 6s ease infinite}@keyframes gradientShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.hero-subtitle{font-size:1.125rem;color:var(--text-secondary);margin-bottom:2rem;max-width:480px;line-height:1.75}.hero-actions{display:flex;gap:1rem;margin-bottom:3rem;flex-wrap:wrap}.hero-stats{display:flex;gap:2.5rem}.stat-item{text-align:left}.stat-value{font-size:1.5rem;font-weight:700;color:var(--text-primary)}.stat-label{font-size:.8125rem;color:var(--text-muted);margin-top:.125rem}.hero-visual{position:relative;animation:fadeInUp .8s ease-out .2s both}.chat-demo{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg),0 0 100px #3b82f60d;max-width:420px;margin-left:auto;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.chat-header{display:flex;align-items:center;gap:.875rem;padding:1rem 1.25rem;background:var(--bg-surface);border-bottom:1px solid var(--border)}.chat-avatar{width:44px;height:44px;background:linear-gradient(135deg,var(--primary),var(--blue));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.25rem;color:#fff}.chat-header-info h3{font-size:.9375rem;font-weight:600;color:var(--text-primary);margin-bottom:.125rem}.chat-header-info span{font-size:.75rem;color:var(--text-muted);display:flex;align-items:center;gap:.375rem}.status-dot{width:6px;height:6px;background:var(--accent);border-radius:50%;animation:pulse 2s infinite}.chat-messages{padding:1.25rem;min-height:320px;display:flex;flex-direction:column;gap:.875rem;background:var(--bg-deep)}.chat-message{display:flex;gap:.625rem;animation:messageSlide .35s ease-out;opacity:0}.chat-message.visible{opacity:1}@keyframes messageSlide{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.chat-message.user{flex-direction:row-reverse}.message-avatar{width:32px;height:32px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:.875rem;flex-shrink:0;color:#fff}.chat-message.bot .message-avatar{background:linear-gradient(135deg,var(--primary),var(--blue))}.chat-message.user .message-avatar{background:var(--bg-surface);color:var(--text-muted)}.message-bubble{max-width:80%;padding:.75rem 1rem;border-radius:var(--radius-md);font-size:.875rem;line-height:1.6}.chat-message.bot .message-bubble{background:var(--bg-surface);border:1px solid var(--border);border-bottom-left-radius:4px;color:var(--text-secondary)}.chat-message.user .message-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:4px}.typing-indicator{display:flex;gap:4px;padding:.875rem 1rem;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);border-bottom-left-radius:4px}.typing-indicator span{width:6px;height:6px;background:var(--text-muted);border-radius:50%;animation:typingBounce 1.4s ease-in-out infinite}.typing-indicator span:nth-child(2){animation-delay:.2s}.typing-indicator span:nth-child(3){animation-delay:.4s}@keyframes typingBounce{0%,60%,to{transform:translateY(0);opacity:.5}30%{transform:translateY(-4px);opacity:1}}.chat-input{display:flex;align-items:center;gap:.75rem;padding:1rem 1.25rem;background:var(--bg-surface);border-top:1px solid var(--border)}.chat-input input{flex:1;background:var(--bg-deep);border:1px solid var(--border);border-radius:var(--radius-full);padding:.625rem 1rem;color:var(--text-primary);font-size:.875rem}.chat-input input::placeholder{color:var(--text-muted)}.chat-input input:focus{outline:none;border-color:var(--primary)}.chat-input button{width:40px;height:40px;background:var(--primary);border:none;border-radius:50%;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--transition)}.chat-input button:hover{background:var(--primary-light);transform:scale(1.02)}.section{padding:100px 2rem;position:relative}.section-container{max-width:1120px;margin:0 auto}.section-header{text-align:center;margin-bottom:4rem}.section-title{font-size:clamp(1.75rem,3.5vw,2.5rem);font-weight:700;margin-bottom:.875rem;letter-spacing:-.02em}.section-subtitle{font-size:1.0625rem;color:var(--text-secondary);max-width:560px;margin:0 auto}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem}.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.75rem;transition:var(--transition);position:relative}.feature-card:hover{transform:translateY(-4px);border-color:var(--border-accent);box-shadow:var(--shadow-lg)}.feature-icon{width:48px;height:48px;background:#3b82f61a;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.25rem;margin-bottom:1rem;color:var(--blue-light)}.feature-title{font-size:1.125rem;font-weight:600;margin-bottom:.625rem;color:var(--text-primary)}.feature-description{color:var(--text-muted);line-height:1.7;font-size:.9375rem}.steps-container{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin-bottom:4rem}.step-card{text-align:center;padding:2rem 1.5rem;position:relative}.step-card:after{content:"";position:absolute;top:40px;right:-1rem;width:calc(100% - 80px);height:1px;background:linear-gradient(90deg,var(--blue),var(--primary));opacity:.2}.step-card:last-child:after{display:none}.step-number{width:56px;height:56px;background:linear-gradient(135deg,var(--primary),var(--blue));border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700;margin:0 auto 1.25rem;color:#fff}.step-title{font-size:1.125rem;font-weight:600;margin-bottom:.625rem;color:var(--text-primary)}.step-description{color:var(--text-muted);font-size:.9375rem}.platforms-section{text-align:center;padding:3rem 0}.platforms-title{font-size:1.125rem;font-weight:600;margin-bottom:.5rem;color:var(--text-primary)}.platforms-desc{color:var(--text-muted);margin-bottom:2rem;font-size:.9375rem}.platform-grid{display:flex;justify-content:center;gap:1.25rem;flex-wrap:wrap}.platform-card{display:flex;flex-direction:column;align-items:center;gap:.625rem;padding:1.25rem 1.75rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);min-width:140px;transition:var(--transition)}.platform-card i{font-size:1.75rem;color:var(--text-muted)}.platform-card.active i{color:var(--accent)}.platform-card.coming{opacity:.6}.platform-name{font-weight:500;font-size:.9375rem}.badge{font-size:.6875rem;padding:.25rem .625rem;border-radius:var(--radius-full);font-weight:500}.badge-success{background:#34d3991f;color:var(--accent)}.badge-coming{background:#64748b1a;color:var(--text-muted)}.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.5rem;align-items:stretch}.pricing-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;display:flex;flex-direction:column;transition:var(--transition);position:relative}.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.pricing-card.featured{border-color:var(--primary);background:linear-gradient(180deg,rgba(99,102,241,.05),var(--bg-card))}.pricing-badge{position:absolute;top:-10px;left:50%;transform:translate(-50%);background:var(--primary);color:#fff;padding:.375rem 1rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:600}.pricing-name{font-size:1.125rem;font-weight:600;margin-bottom:.75rem;color:var(--text-primary)}.pricing-price{font-size:2.25rem;font-weight:700;margin-bottom:1.5rem;color:var(--text-primary)}.pricing-price span{font-size:.9375rem;font-weight:400;color:var(--text-muted)}.pricing-features{list-style:none;margin-bottom:1.5rem;flex:1}.pricing-features li{padding:.5rem 0;color:var(--text-secondary);display:flex;align-items:center;gap:.625rem;font-size:.9375rem}.pricing-features li:before{content:"✓";color:var(--accent);font-weight:600;font-size:.875rem}.benefits-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem;margin-bottom:4rem}.benefit-item{text-align:center;padding:1.75rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition)}.benefit-item:hover{border-color:var(--border-accent);transform:translateY(-2px)}.benefit-icon{font-size:2rem;margin-bottom:.875rem;color:var(--blue-light)}.benefit-value{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin-bottom:.375rem}.benefit-desc{color:var(--text-muted);font-size:.9375rem}.trust-elements{padding:2rem 0}.trust-grid{display:flex;justify-content:center;gap:2.5rem;flex-wrap:wrap}.trust-item{display:flex;align-items:center;gap:.625rem;color:var(--text-muted);font-size:.9375rem}.trust-item i{color:var(--accent)}.faq-list{max-width:720px;margin:0 auto}.faq-item{border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:.75rem;overflow:hidden;transition:var(--transition)}.faq-item:hover{border-color:var(--border-accent)}.faq-question{width:100%;display:flex;justify-content:space-between;align-items:center;padding:1.125rem 1.25rem;background:var(--bg-card);border:none;color:var(--text-primary);font-size:.9375rem;font-weight:500;text-align:left;cursor:pointer;transition:var(--transition)}.faq-question:hover{background:var(--bg-card-hover)}.faq-icon{font-size:1.25rem;color:var(--text-muted);transition:var(--transition)}.faq-item.active .faq-icon{transform:rotate(45deg);color:var(--primary)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}.faq-item.active .faq-answer{max-height:500px}.faq-answer-content{padding:0 1.25rem 1.25rem;color:var(--text-muted);line-height:1.7;font-size:.9375rem}.footer{padding:80px 2rem 40px;background:var(--bg-space);border-top:1px solid var(--border)}.footer-container{max-width:1120px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:3rem}.footer-brand{margin-bottom:1rem}.footer-description{color:var(--text-muted);line-height:1.7;max-width:280px;font-size:.9375rem}.footer-title{font-size:.875rem;font-weight:600;margin-bottom:1.125rem;color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em}.footer-links{list-style:none}.footer-links li{margin-bottom:.625rem}.footer-links a{color:var(--text-muted);transition:var(--transition);font-size:.9375rem}.footer-links a:hover{color:var(--primary-light)}.footer-bottom{max-width:1120px;margin:3rem auto 0;padding-top:2rem;border-top:1px solid var(--border);text-align:center;color:var(--text-muted);font-size:.875rem}.mobile-menu-btn{display:none;flex-direction:column;gap:5px;padding:8px;background:none;border:none;cursor:pointer}.mobile-menu-btn span{width:22px;height:2px;background:var(--text-primary);transition:var(--transition);border-radius:1px}.mobile-menu-overlay{display:none;position:fixed;inset:0;background:#000000b3;z-index:1001;opacity:0;transition:var(--transition);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.mobile-menu-overlay.active{opacity:1}.mobile-menu{display:none;position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--bg-space);z-index:1002;padding:1.5rem;transition:right .3s ease;border-left:1px solid var(--border)}.mobile-menu.active{right:0}.mobile-menu-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.mobile-menu-title{font-weight:600;font-size:.9375rem}.mobile-menu-close{background:none;border:none;color:var(--text-primary);font-size:1.25rem;cursor:pointer;padding:.25rem}.mobile-menu-nav{list-style:none}.mobile-nav-link{display:flex;align-items:center;gap:.875rem;padding:.875rem 0;color:var(--text-secondary);border-bottom:1px solid var(--border);transition:var(--transition);font-size:.9375rem}.mobile-nav-link:hover{color:var(--primary-light)}.mobile-menu-divider{height:1px;background:var(--border);margin:1.25rem 0}.mobile-menu-actions{display:flex;flex-direction:column;gap:.75rem}.desktop-only{display:flex}@media(max-width:1024px){.hero-container{grid-template-columns:1fr;gap:3rem;text-align:center}.hero-subtitle{margin:0 auto 2rem}.hero-actions,.hero-stats{justify-content:center}.chat-demo{margin:0 auto}.steps-container{grid-template-columns:1fr;gap:1.5rem}.step-card:after{display:none}.benefits-grid{grid-template-columns:1fr}.footer-container{grid-template-columns:1fr 1fr}}@media(max-width:768px){.navbar-menu{display:none}.desktop-only{display:none!important}.mobile-menu-btn{display:flex}.mobile-menu,.mobile-menu-overlay{display:block}.hero{padding:100px 1.5rem 60px}.hero-title{font-size:1.875rem}.section{padding:60px 1.5rem}.features-grid,.pricing-grid{grid-template-columns:1fr}.footer-container{grid-template-columns:1fr;gap:2rem}.trust-grid{flex-direction:column;gap:1.25rem;align-items:center}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.animate-in{animation:fadeIn .5s ease-out}