:root{--bg-primary:#fff;--bg-secondary:rgba(255,255,255,.98);--text-primary:#1a1a1a;--text-secondary:#4a4a4a;--text-muted:#6b7280;--border-color:#e5e7eb;--border-light:rgba(229,231,235,.5);--btn-bg:#fff;--btn-hover-bg:#f9fafb;--btn-border:#e5e7eb;--btn-border-hover:#d1d5db;--btn-primary-bg:#1a1a1a;--btn-primary-hover:#374151;--btn-primary-text:#fff;--nav-shadow:rgba(0,0,0,.05);--quote-border:#1a1a1a;--accent-color:#3b82f6}@media (prefers-color-scheme:dark){:root{--bg-primary:#0a0a0a;--bg-secondary:rgba(10,10,10,.98);--text-primary:#fafafa;--text-secondary:#d1d5db;--text-muted:#9ca3af;--border-color:#2d2d2d;--border-light:rgba(45,45,45,.5);--btn-bg:#1a1a1a;--btn-hover-bg:#2d2d2d;--btn-border:#2d2d2d;--btn-border-hover:#404040;--btn-primary-bg:#3b82f6;--btn-primary-hover:#2563eb;--btn-primary-text:#fff;--nav-shadow:rgba(0,0,0,.2);--quote-border:#3b82f6;--accent-color:#60a5fa}}*,*::before,*::after{box-sizing:border-box;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease}body{color:var(--text-primary);font-family:'Space Grotesk',-apple-system,BlinkMacSystemFont,'Inter','Segoe UI','Microsoft YaHei','微軟正黑體',sans-serif;background:var(--bg-primary);margin:0;padding:0;min-height:100vh;line-height:1.6;font-size:16px;font-display:swap;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}html{scroll-behavior:smooth;scroll-padding-top:80px}section[id]{scroll-margin-top:80px}.main-container{margin:0 auto;padding:0;padding-top:80px;max-width:720px;overflow:visible}.main-navigation{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--bg-secondary);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-light);box-shadow:0 1px 0 var(--nav-shadow);transition:transform 0.3s ease}.main-navigation.hidden{transform:translateY(-100%)}.nav-container{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;max-width:1200px;margin:0 auto}.nav-logo{flex:0 0 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auto}.nav-link:hover{color:var(--text-primary);background:var(--btn-hover-bg)}.hamburger{display:flex;flex-direction:column;cursor:pointer;z-index:1101;flex:0 0 auto;width:32px;height:24px}.hamburger .bar{width:25px;height:3px;background:var(--text-primary);margin:3px 0;transition:0.3s;border-radius:2px}.hamburger.active .bar:nth-child(1){transform:rotate(-45deg) translate(-5px,6px)}.hamburger.active .bar:nth-child(2){opacity:0}.hamburger.active .bar:nth-child(3){transform:rotate(45deg) translate(-5px,-6px)}@media (max-width:1024px){.nav-container{justify-content:space-between;padding:1rem 1.5rem}.nav-logo{flex:0 0 auto;z-index:1001}.nav-menu.active{transform:translateX(0);opacity:1;visibility:visible}.nav-link{font-size:1.1rem;padding:0.3rem 1rem;color:var(--text-primary)}.hamburger{z-index:1003}body.nav-open{overflow:hidden;position:fixed;width:100%}.aeo-guide-content{padding:2rem 0}}@media (prefers-color-scheme:dark){.nav-menu,.nav-menu.active{background:#0a0a0a !important}}.x-grid{position:fixed;inset:0;pointer-events:none;z-index:9999;display:none;background-image:linear-gradient(to right,rgba(0,0,0,.08) 1px,transparent 1px),linear-gradient(to bottom,rgba(0,0,0,.08) 1px,transparent 1px);background-size:32px 32px,32px 32px}@media (prefers-color-scheme:dark){.x-grid{background-image:linear-gradient(to right,rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(to bottom,rgba(255,255,255,.08) 1px,transparent 1px)}}.x-grid.active{display:block}.tau-mode:root{}@media (max-width:375px) and (max-height:667px){.nav-menu{gap:0.25rem;padding-top:10vh}.nav-link{font-size:1rem;padding:0.25rem 1rem}}.hero-section,.services-section,.faq-section,.contact-section{padding:4rem 2rem;text-align:center}.hero-title,.section-title{font-size:2.25rem;font-weight:700;color:var(--text-primary);margin:0 0 1.5rem 0;line-height:1.2;letter-spacing:-.02em}.section-subtitle{font-size:1.125rem;color:var(--text-secondary);font-weight:400;line-height:1.5;margin:0 0 3rem 0;max-width:600px;margin-left:auto;margin-right:auto}.contact-actions{margin-top:3rem;display:flex;justify-content:center}.btn{padding:0.875rem 2rem;border:1px solid var(--btn-border);border-radius:8px;background:var(--btn-bg);color:var(--text-secondary);font-weight:500;font-size:0.95rem;cursor:pointer;transition:all .2s ease;text-decoration:none;display:inline-block}.btn:hover{background:var(--btn-hover-bg);border-color:var(--btn-border-hover);transform:translateY(-1px)}.btn--primary,.btn-primary{background:var(--btn-primary-bg);color:var(--btn-primary-text);border-color:var(--btn-primary-bg)}.btn--primary:hover,.btn-primary:hover{background:var(--btn-primary-hover);border-color:var(--btn-primary-hover)}.btn-secondary{background:transparent;color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover{background:var(--btn-hover-bg);border-color:var(--btn-border-hover)}.btn-outline{background:transparent;color:var(--text-secondary);border:2px solid var(--border-light)}.btn-outline:hover{background:var(--background-secondary);color:var(--text-primary);border-color:var(--border-color)}img{max-width:100%;height:auto}.company-logo{width:180px;margin-bottom:2rem;opacity:.9}.contact-icon{width:120px;margin:2rem 0;opacity:.8}@media (prefers-color-scheme:dark){.company-logo{content:url('taux-logo-dark.png')}}.hero-description,.services-content,.faq-content,.contact-content{background:transparent;padding:0;margin:0 auto;max-width:600px;border-radius:0;font-size:1.05rem;color:var(--text-secondary);line-height:1.7;text-align:left}blockquote{font-family:'Space Grotesk','Inter',system-ui,sans-serif;font-size:1.2rem;font-style:italic;line-height:1.6;color:var(--text-secondary);background:var(--bg-secondary);border-left:4px solid var(--accent-color);margin:20px 0;padding:20px;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,0.05);position:relative}blockquote::before{content:"\201C";font-size:3rem;color:var(--accent-color);position:absolute;top:-10px;left:10px;font-family:'Space Grotesk',sans-serif}blockquote cite,blockquote footer{font-style:normal;font-weight:bold;color:#666;font-size:0.9rem;margin-top:10px;display:block}blockquote cite::before,blockquote footer::before{content:"— "}@media (max-width:1600px){blockquote{font-size:1.1rem;padding:18px}}@media (max-width:1200px){blockquote{font-size:1rem;padding:15px}}@media (max-width:600px){blockquote{font-size:0.95rem;padding:12px;margin:15px 0}blockquote::before{font-size:2.5rem;top:-8px;left:8px}}.philosophy-intro{margin:3rem 0;text-align:left;max-width:600px;margin-left:auto;margin-right:auto}.philosophy-text{font-size:1.1rem;font-weight:600;color:var(--text-primary);margin-bottom:1.5rem}.philosophy-list{list-style:none;padding:0;margin:0}.philosophy-list li{padding:0.75rem 0;color:var(--text-secondary);position:relative;padding-left:2rem;line-height:1.6}.philosophy-list li::before{content:"•";color:var(--accent-color);font-weight:bold;font-size:1.2rem;position:absolute;left:0;top:0.75rem}.service-title,.faq-question{color:var(--text-primary);font-size:1.25rem;font-weight:600;margin:3rem 0 1rem 0;text-align:left;line-height:1.4}.service-title:first-child,.faq-question:first-child{margin-top:0}.service-description,.faq-answer{text-align:left;margin:0 0 1.5rem 0;line-height:1.7;color:var(--text-secondary)}.service-conclusion{margin:4rem 0 2rem;text-align:center}.conclusion-text{font-size:1.1rem;color:var(--text-secondary);margin:1.5rem 0;line-height:1.6}.contact-email,.contact-phone{color:var(--text-primary);text-decoration:underline;text-decoration-color:var(--border-color);text-underline-offset:2px}.contact-email:hover,.contact-phone:hover{color:var(--accent-color);text-decoration-color:var(--accent-color)}.contact-info{text-align:left;font-style:normal;line-height:1.8;color:var(--text-secondary)}@media (max-width:768px){html{scroll-padding-top:70px}section[id]{scroll-margin-top:70px}body{font-size:15px;line-height:1.6}.main-container{margin:0;padding-top:50px}.hero-section,.services-section,.faq-section,.contact-section{padding:3rem 1.5rem}.hero-title,.section-title{font-size:1.875rem;margin:0 0 1.25rem 0;line-height:1.2}.hero-title::before{font-size:2.25rem;line-height:0.7}.section-subtitle{font-size:1rem;margin:0 0 2.5rem 0;line-height:1.5}.btn{width:100%;margin:0.5rem 0;font-size:0.95rem;padding:1rem 1.5rem}.nav-link{padding:0.5rem 1rem;font-size:0.9rem;margin:0 0.125rem}.hero-description,.services-content,.faq-content,.contact-content{margin:0;padding:0;font-size:1rem;line-height:1.6}.service-title,.faq-question{font-size:1.125rem;margin:2.5rem 0 1rem 0}.service-description,.faq-answer{line-height:1.6;margin:0 0 1.25rem 0}.contact-info{line-height:1.7}.hero-quote{padding:1.5rem;margin:2.5rem auto;max-width:100%}.hero-quote p{font-size:1.125rem}.service-quote{padding:1.25rem;margin:2rem auto;max-width:100%}.service-quote p{font-size:1rem}.philosophy-intro{margin:2.5rem 0;max-width:100%}.philosophy-text{font-size:1rem}.conclusion-text{font-size:1rem}}.container{max-width:1000px;margin:0 auto;padding:0 2rem}.aeo-hero{background:linear-gradient(135deg,var(--bg-primary) 0%,var(--bg-secondary) 100%);padding:6rem 0 4rem;border-bottom:1px solid var(--border-light)}.aeo-hero .hero-content{text-align:center;max-width:800px;margin:0 auto}.hero-quote{font-size:1.5rem;font-style:italic;color:var(--accent-color);margin-bottom:2rem;padding:1.5rem;border-left:4px solid var(--accent-color);background:rgba(59,130,246,0.05);border-radius:8px}.hero-title{font-size:2.5rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem;position:relative;padding-left:1.5rem}.hero-title::before{content:'[';position:absolute;left:0;top:0;font-size:3rem;font-weight:300;color:var(--accent-color);line-height:0.8;font-family:'Inter',sans-serif}.hero-subtitle{font-size:1.25rem;color:var(--text-secondary);margin-bottom:2rem}.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.aeo-guide-content{padding:4rem 0;background:var(--bg-primary)}.guide-section{margin-bottom:1.5rem;padding:1rem 0;border-bottom:1px solid var(--border-light)}.guide-section:last-child{border-bottom:none}.guide-section h2{font-size:2.25rem;font-weight:700;color:var(--text-primary);margin-bottom:1.5rem;padding-bottom:0.5rem;position:relative}.guide-section h3{font-size:1.5rem;font-weight:600;color:var(--text-primary);margin:1.5rem 0 1rem;padding-left:1rem;border-left:4px solid var(--accent-color);background:var(--bg-secondary);padding:1rem;border-radius:8px}.guide-section p{color:var(--text-secondary);line-height:1.8;margin-bottom:1.5rem;font-size:1rem}.guide-section ul,.guide-section ol{color:var(--text-secondary);line-height:1.8;margin-bottom:2rem;padding-left:2rem}.guide-section li{margin-bottom:0.75rem}.guide-section strong{color:var(--text-primary);font-weight:600}.content-block{background:var(--bg-secondary);padding:2.5rem;border-radius:16px;border:1px solid var(--border-color);box-shadow:0 4px 20px rgba(0,0,0,0.05);margin:2rem 0}.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;margin-top:2rem}.benefit-item{background:var(--bg-secondary);padding:2.5rem;border-radius:16px;border:1px solid var(--border-color);transition:all 0.3s ease;box-shadow:0 2px 10px rgba(0,0,0,0.05)}.benefit-item:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(59,130,246,0.15);border-color:var(--accent-color)}.benefit-item h3{font-size:1.25rem;margin-bottom:1rem;color:var(--text-primary)}.core-component{background:var(--bg-secondary);padding:2.5rem;margin-bottom:2rem;border-radius:16px;border:1px solid var(--border-color);box-shadow:0 4px 20px rgba(0,0,0,0.05);transition:all 0.3s ease}.core-component:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,0.1)}.core-component h3{color:var(--accent-color);font-size:1.5rem;margin-bottom:1.5rem;padding:0;background:none;border:none}.value-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:2rem}.value-item{background:var(--bg-secondary);padding:2rem;border-radius:12px;border:1px solid var(--border-color);text-align:center}.service-package{background:var(--bg-secondary);padding:3rem;border-radius:16px;border:1px solid var(--border-color)}.service-list{list-style:none;padding:0;margin:1rem 0}.service-list li{padding:0.5rem 0;color:var(--text-secondary)}.process-list{margin:1rem 0;color:var(--text-secondary)}.cta-section{margin-top:2rem;padding-top:2rem;border-top:1px solid var(--border-color);text-align:center}.comparison-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:1.5rem}.comparison-item{padding:2rem;border-radius:12px;border:1px solid var(--border-color)}.comparison-item.seo{background:linear-gradient(135deg,rgba(239,68,68,0.05) 0%,rgba(239,68,68,0.1) 100%);border-color:rgba(239,68,68,0.2)}.comparison-item.aeo{background:linear-gradient(135deg,rgba(59,130,246,0.05) 0%,rgba(59,130,246,0.1) 100%);border-color:rgba(59,130,246,0.2)}.tech-comparison{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:1.5rem}.tech-column{background:var(--bg-secondary);padding:2rem;border-radius:12px;border:1px solid var(--border-color)}.key-difference{margin-top:2rem}.difference-highlight{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:1rem}.diff-item{background:var(--bg-secondary);padding:1.5rem;border-radius:12px;border:1px solid var(--border-color);text-align:center;font-size:1.1rem;font-weight:500}.table-of-contents{background:var(--bg-secondary) !important;border:1px solid var(--border-color) !important;border-radius:16px !important;padding:2.5rem !important;margin:3rem 0 4rem !important;box-shadow:0 4px 20px rgba(0,0,0,0.08) !important;border-left:4px solid var(--accent-color) !important}@media (prefers-color-scheme:dark){.aeo-guide-content .table-of-contents h3{color:#ffffff !important;border-bottom:2px solid #4a5568 !important}}@media (prefers-color-scheme:dark){.table-of-contents h3{color:#ffffff !important;border-bottom:2px solid #4a5568 !important}}[data-theme="dark"] .table-of-contents h3{color:#ffffff !important;border-bottom:2px solid #4a5568 !important}.table-of-contents h3{color:#1a1a1a !important;margin:0 0 2rem 0 !important;font-size:1.5rem !important;font-weight:700 !important;border-bottom:2px solid #e5e7eb !important;padding-bottom:0.75rem !important;display:block !important;width:100% !important}@media (prefers-color-scheme:dark){.table-of-contents h3{color:#ffffff !important;border-bottom:2px solid #4a5568 !important}}.table-of-contents ul{list-style:none !important;padding:0 !important;margin:0 !important;display:block !important}.table-of-contents li{margin:0 0 1rem 0 !important;padding:0 !important;position:relative !important;background:var(--bg-primary) !important;border-radius:8px !important;border:1px solid var(--border-light) !important;transition:all 0.3s ease !important;display:block !important}.table-of-contents li:hover{transform:none !important;box-shadow:0 2px 8px rgba(0,0,0,0.08) !important;border-color:var(--border-color) !important}.table-of-contents li::before{content:"📋" !important;position:absolute !important;left:1rem !important;top:50% !important;transform:translateY(-50%) !important;font-size:1.1rem !important}.table-of-contents a{color:var(--text-primary) !important;text-decoration:none !important;font-weight:500 !important;font-size:1rem !important;transition:all 0.2s ease !important;display:block !important;padding:1rem 1rem 1rem 3rem !important;border-radius:8px !important}.table-of-contents a:hover{color:var(--text-primary) !important;background:var(--background-secondary) !important;transform:none !important}.reading-progress{position:fixed;top:0;left:0;width:0%;height:3px;background:#000;z-index:10001;transition:width 0.1s ease}@media (prefers-color-scheme:dark){.reading-progress{background:#fff}}.final-cta{background:linear-gradient(135deg,var(--accent-color) 0%,#2563eb 100%);color:white;padding:4rem 0;text-align:center;margin-top:4rem;border-radius:16px}.final-cta h2{color:white !important;border-bottom:2px solid rgba(255,255,255,0.3) !important;margin-bottom:1.5rem;display:inline-block}.cta-content p{font-size:1.25rem;margin-bottom:2rem;opacity:0.9;color:white}.final-cta .btn{margin:0.5rem}.final-cta .btn-primary{background:white;color:var(--accent-color);border-color:white}.final-cta .btn-primary:hover{background:#f8fafc;border-color:#f8fafc}.final-cta .btn-secondary{background:transparent;color:white;border-color:rgba(255,255,255,0.5)}.final-cta .btn-secondary:hover{background:rgba(255,255,255,0.1);border-color:white}.cta-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.navbar{background:var(--bg-secondary);backdrop-filter:blur(10px);border-bottom:1px solid var(--border-light);position:fixed;top:0;width:100%;z-index:1000;padding:1rem 0}.nav-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.nav-logo a{font-size:1.5rem;font-weight:700;color:var(--text-primary);text-decoration:none}.nav-link{color:var(--text-secondary);text-decoration:none;font-weight:500;transition:color 0.2s ease}.nav-link:hover,.nav-link.active{color:var(--accent-color)}.service-link{margin-top:1rem}.guide-link{color:var(--accent-color);text-decoration:none;font-weight:500;transition:all 0.2s ease;display:inline-flex;align-items:center;gap:0.5rem}.guide-link:hover{color:#2563eb;transform:translateX(4px)}@media (max-width:768px){.aeo-hero{padding:4rem 0 2rem}.hero-title{font-size:2rem}.hero-title::before{font-size:2.5rem;line-height:0.75}.hero-cta{flex-direction:column;align-items:center}.benefits-grid,.value-grid,.comparison-grid,.tech-comparison,.difference-highlight{grid-template-columns:1fr}}.footer{background:var(--bg-secondary);padding:3rem 0 1rem;border-top:1px solid var(--border-light);margin-top:4rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-section h3{font-size:1.25rem;font-weight:700;color:var(--text-primary);margin-bottom:1rem}.footer-section h4{font-size:1rem;font-weight:600;color:var(--text-primary);margin-bottom:1rem}.footer-section p{color:var(--text-secondary);margin-bottom:0.5rem;line-height:1.6}.footer-section ul{list-style:none;padding:0}.footer-section ul li{margin-bottom:0.5rem}.footer-section ul li a{color:var(--text-secondary);text-decoration:none;transition:color 0.2s ease}.footer-section ul li a:hover{color:var(--text-primary)}.social-links{display:flex;gap:1rem;margin-top:1rem}.social-links a{color:var(--text-secondary);font-size:1.25rem;transition:color 0.2s ease}.social-links a:hover{color:var(--text-primary)}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid var(--border-light);color:var(--text-muted);font-size:0.9rem}.footer .contact-info{font-style:normal;text-align:center}.footer .contact-info p{margin-bottom:0.5rem;color:var(--text-secondary);line-height:1.6}.footer .contact-email,.footer .contact-phone{color:var(--accent-color);text-decoration:none;transition:color 0.2s ease}.footer .contact-email:hover,.footer .contact-phone:hover{color:var(--text-primary);text-decoration:underline}@media (max-width:768px){.footer-content{grid-template-columns:1fr;gap:1.5rem}.footer{padding:2rem 0 1rem}}@media (max-width:768px){.footer{padding:2rem 0 1rem;margin-top:2rem}.footer-content{grid-template-columns:1fr;gap:1.5rem}.footer-section{text-align:center}.social-links{justify-content:center}}