:root,[data-theme=dark]{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-card: #1a1a28;--bg-card-hover: #22223a;--bg-sidebar: #0e0e16;--border-color: #2a2a3e;--border-active: #6c5ce7;--text-primary: #e8e8f0;--text-secondary: #9090a8;--text-muted: #606078;--accent: #6c5ce7;--accent-glow: rgba(108, 92, 231, .25);--accent-light: #a29bfe;--success: #00b894;--success-glow: rgba(0, 184, 148, .2);--warning: #fdcb6e;--info: #74b9ff;--danger: #e74c3c;--shadow-card: 0 2px 12px rgba(0, 0, 0, .3);--shadow-card-hover: 0 8px 30px rgba(0, 0, 0, .4)}[data-theme=light]{--bg-primary: #f5f6fa;--bg-secondary: #ecedf3;--bg-card: #ffffff;--bg-card-hover: #f0f0f8;--bg-sidebar: #ffffff;--border-color: #d8dae5;--border-active: #6c5ce7;--text-primary: #1a1a2e;--text-secondary: #555570;--text-muted: #8888a0;--accent: #6c5ce7;--accent-glow: rgba(108, 92, 231, .12);--accent-light: #7c6cf0;--success: #00b894;--success-glow: rgba(0, 184, 148, .12);--warning: #e4a800;--info: #3d8bfd;--danger: #e74c3c;--shadow-card: 0 2px 8px rgba(0, 0, 0, .06);--shadow-card-hover: 0 6px 20px rgba(0, 0, 0, .1)}:root{--font-sans: "Inter", "Noto Sans TC", -apple-system, BlinkMacSystemFont, sans-serif;--sidebar-width: 280px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.7;min-height:100vh;overflow-x:hidden;transition:background var(--transition-normal),color var(--transition-normal)}a{color:var(--accent-light);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent)}#sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--bg-sidebar);border-right:1px solid 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var(--transition-fast)}#theme-toggle:hover{border-color:var(--accent);background:var(--accent-glow);color:var(--text-primary)}.theme-icon{font-size:1rem}.learning-timer{padding:14px 20px;border-bottom:1px solid var(--border-color);text-align:center}.timer-label{font-size:.7rem;font-weight:600;color:var(--text-muted);letter-spacing:.05em;margin-bottom:4px}.timer-display{font-size:1.6rem;font-weight:800;font-variant-numeric:tabular-nums;background:linear-gradient(135deg,var(--success),var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;letter-spacing:.04em}.progress-summary{padding:14px 20px;border-bottom:1px solid var(--border-color)}.progress-bar-container{width:100%;height:6px;background:var(--bg-card);border-radius:3px;overflow:hidden;margin-bottom:6px}.progress-bar{height:100%;background:linear-gradient(90deg,var(--accent),var(--success));border-radius:3px;width:0%;transition:width 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var(--transition-fast)}.nav-item.completed .nav-check{background:var(--success);border-color:var(--success);color:#fff}.nav-item.completed{color:var(--text-muted)}#mobile-nav-toggle{display:none;position:fixed;top:14px;left:14px;z-index:200;background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-primary);font-size:1.3rem;padding:8px 12px;border-radius:var(--radius-sm);cursor:pointer;transition:background var(--transition-fast)}#mobile-nav-toggle:hover{background:var(--bg-card-hover)}#sidebar-overlay{display:none;position:fixed;inset:0;background:#00000080;z-index:90}#main-content{margin-left:var(--sidebar-width);min-height:100vh;padding:40px 40px 80px;max-width:920px;transition:margin var(--transition-normal)}.brand-hero{text-align:center;padding:56px 20px 36px;margin-bottom:10px}.brand-hero-badge{display:inline-block;padding:6px 18px;border-radius:20px;background:var(--accent-glow);border:1px solid 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var(--transition-normal);box-shadow:var(--shadow-card);position:relative;overflow:hidden}.feature-card:after{content:"";position:absolute;bottom:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--accent),var(--success));opacity:0;transition:opacity var(--transition-fast)}.feature-card:hover{border-color:var(--border-active);background:var(--bg-card-hover);transform:translateY(-3px);box-shadow:var(--shadow-card-hover)}.feature-card:hover:after{opacity:1}.feature-icon{display:block;font-size:2rem;margin-bottom:10px}.feature-card h3{font-size:.95rem;font-weight:700;margin-bottom:8px;color:var(--text-primary)}.feature-card p{font-size:.82rem;color:var(--text-secondary);line-height:1.6}.feature-card p strong{color:var(--accent-light);font-weight:700}.steps-flow{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px 28px;margin-bottom:20px;box-shadow:var(--shadow-card);transition:background var(--transition-normal),border var(--transition-normal)}.steps-flow-title{font-size:.95rem;font-weight:700;color:var(--text-primary)}.steps-flow-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:18px}.video-cta-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:50px;background:linear-gradient(135deg,#e74c3c,#ff6b6b);color:#fff;font-size:.88rem;font-weight:700;text-decoration:none;border:none;cursor:pointer;transition:all var(--transition-normal);box-shadow:0 4px 18px #e74c3c59;position:relative}.video-cta-btn:hover{transform:translateY(-2px) scale(1.03);box-shadow:0 6px 28px #e74c3c80;color:#fff;background:linear-gradient(135deg,#ff6b6b,#e74c3c)}.video-cta-icon{font-size:1.1rem}.video-cta-text{letter-spacing:.02em}@keyframes pulseGlow{0%,to{box-shadow:0 4px 18px #e74c3c59}50%{box-shadow:0 4px 28px #e74c3c99,0 0 40px #e74c3c33}}.pulse-glow{animation:pulseGlow 2s ease-in-out infinite}.steps-container{display:flex;align-items:stretch;gap:0}.step-item{flex:1;display:flex;align-items:flex-start;gap:12px;padding:12px 14px;border-radius:var(--radius-md);transition:background var(--transition-fast)}.step-item:hover{background:var(--accent-glow)}.step-number{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;font-size:.85rem;font-weight:800;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 0 16px var(--accent-glow)}.step-content h4{font-size:.88rem;font-weight:700;margin-bottom:4px;color:var(--text-primary)}.step-content p{font-size:.78rem;color:var(--text-secondary);line-height:1.5}.step-connector{width:28px;display:flex;align-items:center;justify-content:center;flex-shrink:0;position:relative}.step-connector:before{content:"→";color:var(--text-muted);font-size:1rem;font-weight:700}.info-banner{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:22px 26px;margin-bottom:20px;transition:background var(--transition-normal),border var(--transition-normal)}.info-banner .info-text{font-size:.88rem;color:var(--text-secondary);line-height:1.7;margin-bottom:14px}.info-banner .info-links{display:flex;flex-wrap:wrap;gap:8px}.info-banner .info-link{display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border-radius:20px;font-size:.78rem;font-weight:500;border:1px solid var(--border-color);background:transparent;color:var(--text-secondary);text-decoration:none;transition:all var(--transition-fast)}.info-banner .info-link:hover{border-color:var(--accent);color:var(--accent-light);background:var(--accent-glow)}.info-banner .info-link.purchase{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:700}.info-banner .info-link.purchase:hover{background:var(--accent-light);border-color:var(--accent-light)}.section-heading{margin-bottom:24px}.section-heading 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var(--success-glow)}.task-title{font-size:1.02rem;font-weight:700;flex:1}.task-subtitle{font-size:.78rem;color:var(--accent-light);font-weight:600;margin-left:34px;margin-bottom:6px}.task-desc{font-size:.85rem;color:var(--text-secondary);margin-left:34px;margin-bottom:12px;line-height:1.6}.task-paid-extra{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-left:34px;margin-bottom:10px;font-size:.78rem;color:var(--text-muted);line-height:1.5}.paid-extra-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:12px;font-size:.68rem;font-weight:700;letter-spacing:.03em;background:linear-gradient(135deg,#fdcb6e26,#6c5ce71a);border:1px solid rgba(253,203,110,.3);color:var(--warning);flex-shrink:0}.resource-links{display:flex;flex-wrap:wrap;gap:7px;margin-left:34px;margin-top:8px}.resource-link{display:inline-flex;align-items:center;gap:5px;padding:5px 13px;border-radius:20px;font-size:.76rem;font-weight:500;transition:all var(--transition-fast);border:1px solid var(--border-color);background:transparent;color:var(--text-secondary);text-decoration:none}.resource-link:hover{border-color:var(--accent);color:var(--accent-light);background:var(--accent-glow)}.resource-link.video{border-color:#e74c3c4d;color:var(--danger)}.resource-link.video:hover{background:#e74c3c14;border-color:var(--danger)}.resource-link.article{border-color:#74b9ff4d;color:var(--info)}.resource-link.article:hover{background:#74b9ff14;border-color:var(--info)}.resource-link.community{border-color:#00b8944d;color:var(--success)}.resource-link.community:hover{background:#00b89414;border-color:var(--success)}.resource-link.tool{border-color:#fdcb6e4d;color:var(--warning)}.resource-link.tool:hover{background:#fdcb6e14;border-color:var(--warning)}.api-group{margin-left:34px;margin-top:10px;margin-bottom:6px}.api-group-title{font-size:.72rem;font-weight:700;color:var(--text-muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.04em}.api-group-title.required{color:var(--danger)}.api-group-title.optional{color:var(--text-muted)}.api-group .resource-links{margin-left:0}.section-divider{border:none;height:1px;background:var(--border-color);margin:36px 0}.tip-box{background:var(--accent-glow);border:1px solid rgba(108,92,231,.2);border-radius:var(--radius-md);padding:16px 20px;margin:16px 0;font-size:.85rem;color:var(--text-secondary);line-height:1.6}.tip-box .tip-title{font-weight:700;color:var(--accent-light);margin-bottom:4px}.resource-card-list{display:flex;flex-direction:column;gap:12px;margin-top:16px}.resource-card{display:flex;align-items:center;gap:16px;padding:20px 24px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);transition:all var(--transition-normal);text-decoration:none;color:var(--text-primary);box-shadow:var(--shadow-card)}.resource-card:hover{border-color:var(--accent);background:var(--bg-card-hover);transform:translateY(-2px);box-shadow:var(--shadow-card-hover);color:var(--text-primary)}.resource-card .rc-icon{font-size:1.8rem;flex-shrink:0}.resource-card .rc-info{flex:1}.resource-card .rc-info h4{font-size:.95rem;font-weight:700;margin-bottom:3px}.resource-card .rc-info p{font-size:.8rem;color:var(--text-secondary);line-height:1.5}.sidebar-footer{padding:14px 20px;border-top:1px solid var(--border-color);font-size:.7rem;text-align:center}.footer-sep{margin:0 6px;color:var(--text-muted)}.product-intro{margin:30px 0;padding:28px 0 0;border-top:1px solid var(--border-color)}.product-intro-header h2{font-size:1.4rem;font-weight:800;margin-bottom:10px}.product-intro-subtitle{font-size:.95rem;font-weight:600;color:var(--accent-light);margin-bottom:10px}.product-intro-desc{font-size:.85rem;color:var(--text-secondary);line-height:1.7;margin-bottom:8px}.product-templates{margin-top:24px}.product-templates h3{font-size:1.05rem;font-weight:700;margin-bottom:16px}.template-showcase{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin-bottom:24px}.template-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px 18px;transition:all var(--transition-normal);box-shadow:var(--shadow-card)}.template-item:hover{border-color:var(--border-active);background:var(--bg-card-hover);transform:translateY(-2px);box-shadow:var(--shadow-card-hover)}.template-icon{font-size:1.6rem;margin-bottom:8px}.template-item h4{font-size:.9rem;font-weight:700;margin-bottom:6px}.template-item p{font-size:.78rem;color:var(--text-secondary);line-height:1.55;margin-bottom:10px}.product-extras{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;margin-top:10px}.product-extra-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;transition:background var(--transition-normal),border var(--transition-normal);box-shadow:var(--shadow-card)}.product-extra-card.highlight{border-color:#6c5ce74d;background:#6c5ce70a;grid-column:1 / -1}.mt-divider{margin-top:50px!important;position:relative}.mt-divider:before{content:"";position:absolute;top:-25px;left:10%;right:10%;height:1px;background:linear-gradient(90deg,transparent,rgba(108,92,231,.4),transparent)}.product-plans-section{margin-top:24px;background:var(--bg-card);border:1px solid rgba(108,92,231,.3);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-card);background-color:#6c5ce705}.product-plans-section h3{font-size:1.1rem;font-weight:700;margin-bottom:8px;display:flex;align-items:center;gap:8px}.plans-desc{font-size:.85rem;color:var(--text-secondary);margin-bottom:16px}.product-plans{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}.plan-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:18px 16px;position:relative}.plan-card.recommended{border-color:var(--accent);background:var(--accent-glow)}.plan-badge{position:absolute;top:-10px;right:14px;padding:2px 12px;border-radius:10px;font-size:.68rem;font-weight:700;background:var(--accent);color:#fff;letter-spacing:.03em}.plan-card h5{font-size:.88rem;font-weight:700;margin-bottom:10px;color:var(--text-primary)}.plan-card ul{list-style:none;padding:0;margin:0}.plan-card li{font-size:.78rem;color:var(--text-secondary);line-height:1.7;padding:1px 0}.plan-note{font-size:.75rem!important;color:var(--text-muted)!important;margin-top:10px;margin-bottom:0!important;font-style:italic}@media(max-width:768px){.product-plans{grid-template-columns:1fr}}.product-extra-card h4{font-size:.9rem;font-weight:700;margin-bottom:10px}.product-extra-card p{font-size:.82rem;color:var(--text-secondary);line-height:1.6;margin-bottom:8px}.product-extra-card ul{list-style:none;padding:0}.product-extra-card li{font-size:.8rem;color:var(--text-secondary);line-height:1.6;padding:3px 0}.product-extra-card li strong{color:var(--text-primary)}.footer-cta-area{display:grid;gap:16px;margin-top:10px}.cta-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-card);transition:all var(--transition-normal)}.cta-card:hover{border-color:var(--border-active);box-shadow:var(--shadow-card-hover)}.cta-card h3{font-size:1rem;font-weight:700;margin-bottom:8px}.cta-card p{font-size:.84rem;color:var(--text-secondary);line-height:1.6;margin-bottom:10px}.cta-card.community{border-color:#6c5ce740}.cta-card.newsletter{border-color:#2ecc7140}.cta-card.open-source{border-color:#f1c40f40}.cta-card.consulting{border-color:#3498db40}.cta-card.free-entry{border-color:#00b89440;background:#00b89408}.community-highlight{font-size:.78rem!important;color:var(--accent-light)!important;font-weight:600;padding:8px 14px;border-radius:var(--radius-sm);background:var(--accent-glow);border:1px solid rgba(108,92,231,.15);line-height:1.5!important}.cta-actions{display:flex;flex-wrap:wrap;gap:10px}.cta-btn{display:inline-block;padding:10px 18px;border-radius:var(--radius-md);font-size:.82rem;font-weight:600;text-decoration:none;transition:all var(--transition-fast);cursor:pointer}.cta-btn.primary{background:var(--accent);color:#fff}.cta-btn.primary:hover{background:#5b4bd5;transform:translateY(-1px)}.cta-btn.secondary{background:var(--bg-card-hover);color:var(--text-primary);border:1px solid var(--border-color)}.cta-btn.secondary:hover{border-color:var(--border-active);transform:translateY(-1px)}@media(max-width:768px){#sidebar{transform:translate(-100%)}#sidebar.open{transform:translate(0)}#sidebar-overlay.open,#mobile-nav-toggle{display:block}#main-content{margin-left:0;padding:60px 18px}.brand-hero-title{font-size:1.8rem}.brand-hero{padding:40px 10px 24px}.brand-hero-subtitle{font-size:.92rem}.features-grid{grid-template-columns:1fr;gap:10px}.steps-container{flex-direction:column;gap:0}.step-connector{width:100%;height:20px}.step-connector:before{content:"↓"}.steps-flow{padding:20px 18px}.steps-flow-header{flex-direction:column;align-items:flex-start}.video-cta-btn{width:100%;justify-content:center;padding:12px 20px}.intro-modal-card{width:95vw;max-width:95vw;padding:24px 18px;margin:20px}.intro-modal-video{padding-bottom:56.25%}.intro-modal-actions{flex-direction:column}.intro-modal-btn{width:100%;text-align:center;justify-content:center}}::-webkit-scrollbar{width:5px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.intro-modal-backdrop{position:fixed;inset:0;background:#000000b3;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);z-index:1000;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .3s ease}.intro-modal-backdrop.visible{opacity:1}.intro-modal-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:32px 28px;max-width:620px;width:90vw;box-shadow:0 20px 60px #00000080;transform:translateY(30px) scale(.95);transition:transform .3s ease}.intro-modal-backdrop.visible .intro-modal-card{transform:translateY(0) scale(1)}.intro-modal-header{text-align:center;margin-bottom:20px}.intro-modal-emoji{font-size:2.6rem;display:block;margin-bottom:8px}.intro-modal-header h2{font-size:1.4rem;font-weight:800;background:linear-gradient(135deg,var(--text-primary),var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}.intro-modal-header p{font-size:.9rem;color:var(--text-secondary);line-height:1.6}.intro-modal-video{position:relative;width:100%;padding-bottom:56.25%;border-radius:var(--radius-md);overflow:hidden;background:#000;margin-bottom:20px}.intro-modal-video iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.intro-modal-actions{display:flex;gap:10px;justify-content:center}.intro-modal-btn{display:inline-flex;align-items:center;gap:6px;padding:12px 24px;border-radius:50px;font-size:.88rem;font-weight:700;font-family:var(--font-sans);border:none;cursor:pointer;transition:all var(--transition-normal)}.intro-modal-btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-light));color:#fff;box-shadow:0 4px 16px var(--accent-glow)}.intro-modal-btn.primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px var(--accent-glow)}.intro-modal-btn.secondary{background:transparent;color:var(--text-secondary);border:1px solid var(--border-color)}.intro-modal-btn.secondary:hover{border-color:var(--accent);color:var(--accent-light);background:var(--accent-glow)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}.task-card,.resource-card{animation:fadeInUp .35s ease both}.task-card:nth-child(2){animation-delay:.04s}.task-card:nth-child(3){animation-delay:.08s}.task-card:nth-child(4){animation-delay:.12s}.task-card:nth-child(5){animation-delay:.16s}.task-card:nth-child(6){animation-delay:.2s}