:root{--primary-color:#7500de;--primary-light:#9333ea;--primary-dark:#5b21b6;--text-primary:#000;--text-secondary:#374151;--bg-light:#f8fafc;--border-light:#e5e7eb;--amazon-orange:#f90;--amazon-blue:#232f3e}.toc-sidebar{background:#fff;border-radius:12px;box-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(2,2,2,.06);border:1px solid var(--border-light)}.toc-header{background:linear-gradient(135deg,var(--primary-color) 0,var(--primary-light) 100%);color:#fff;padding:1rem 1.25rem;border-radius:12px 12px 0 0;font-weight:600;font-size:1rem}.toc-nav{max-height:70vh;overflow-y:auto;padding:.5rem 0}.toc-nav::-webkit-scrollbar{width:4px}.toc-nav::-webkit-scrollbar-track{background:#f1f5f9}.toc-nav::-webkit-scrollbar-thumb{background:var(--primary-color);border-radius:2px}.toc-link{display:block;padding:.625rem 1.25rem;color:var(--text-secondary);text-decoration:none;background:none;width:100%;text-align:left;font-size:.875rem;line-height:1.4;transition:all .2s ease;border:none;border-left:3px solid transparent;cursor:pointer}.toc-link:hover{background-color:#f8fafc;color:var(--primary-color)}.toc-link.active{background-color:rgba(117,0,222,.1);color:var(--primary-color);font-weight:600;border-left-color:var(--primary-color)}.toc-link.level-2{padding-left:2.5rem;font-size:.8125rem;color:#9ca3af}.toc-link.level-3{padding-left:3.5rem;font-size:.75rem;color:#b0b7c3}.amazon-content{background:#f8fafc;min-height:100vh;padding:2.5rem 0}.content-wrapper{background:#fff;border-radius:12px;box-shadow:0 1px 3px rgba(0,0,0,.1);padding:2.5rem}.main-title{font-size:2.5rem;font-weight:700;line-height:1.2;color:var(--text-primary);margin-bottom:1rem;background:linear-gradient(135deg,var(--primary-color),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.main-subtitle{font-size:1.125rem;line-height:1.6;color:var(--text-secondary);margin-bottom:2rem}.section-title{color:var(--primary-color);font-size:1.75rem;font-weight:700;margin-bottom:1.5rem;padding-bottom:.75rem;border-bottom:2px solid rgba(117,0,222,.1);position:relative}.section-title:after{content:"";position:absolute;bottom:-2px;left:0;width:50px;height:2px;background:var(--primary-color)}.subsection-title{color:var(--text-primary);font-size:1.25rem;font-weight:600;margin:2rem 0 1rem}.content-text{color:var(--text-secondary);font-size:1rem;line-height:1.7;margin-bottom:1.25rem}.feature-grid{display:grid;grid-gap:1.5rem;gap:1.5rem;margin:2rem 0}@media (min-width:992px){.feature-grid{grid-template-columns:repeat(2,1fr)}}.feature-item{background:var(--bg-light);border-radius:8px;padding:1.5rem;border-left:4px solid var(--primary-color);transition:transform .2s ease,box-shadow .2s ease;position:relative;overflow:hidden}.feature-item:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary-color),var(--primary-light));opacity:0;transition:opacity .2s ease}.feature-item:hover{transform:translateY(-2px);box-shadow:0 8px 25px -5px rgba(0,0,0,.1)}.feature-item:hover:before{opacity:1}.ad-types-grid{display:grid;grid-gap:1.5rem;gap:1.5rem;margin:2rem 0;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.ad-type-card{background:#fff;border:1px solid var(--border-light);border-radius:12px;padding:1.5rem;transition:all .3s ease;position:relative;overflow:hidden}.ad-type-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--amazon-orange),#ffb84d)}.ad-type-card:hover{box-shadow:0 10px 25px -5px rgba(0,0,0,.15);transform:translateY(-3px)}.ad-type-title{color:var(--amazon-blue);font-size:1.125rem;font-weight:600;margin-bottom:.75rem}.ad-type-best-for{color:var(--amazon-orange);font-size:.875rem;font-weight:600;margin-bottom:.5rem}.highlight-box{background:linear-gradient(135deg,rgba(117,0,222,.1),rgba(147,51,234,.1));border:1px solid rgba(117,0,222,.2);border-radius:8px}.highlight-box,.info-box{padding:1.25rem;margin:1.5rem 0}.info-box{background:#fff;border:1px solid #fce9ff;border-radius:8px;box-shadow:0 4px 6px rgba(0,0,0,.1)}.success-box{background:linear-gradient(135deg,#dcfce7,#bbf7d0);border:1px solid #86efac;border-radius:8px}.success-box,.warning-box{padding:1.25rem;margin:1.5rem 0}.warning-box{background:linear-gradient(135deg,#fef3c7,#fde68a);border:1px solid #f59e0b;border-radius:8px}.error-box{background:linear-gradient(135deg,#fee2e2,#fecaca);border:1px solid #f87171;border-radius:8px;padding:1.25rem;margin:1.5rem 0}.cta-box{background:linear-gradient(135deg,var(--primary-color) 0,var(--primary-light) 100%);color:#fff;border-radius:12px;padding:2rem;text-align:center;margin:2rem 0;box-shadow:0 10px 15px -3px rgba(0,0,0,.1);position:relative;overflow:hidden}.cta-box:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle,hsla(0,0%,100%,.1) 0,transparent 70%);animation:shimmer 3s ease-in-out infinite}@keyframes shimmer{0%,to{transform:rotate(0deg)}50%{transform:rotate(180deg)}}.cta-title{font-size:1.5rem;font-weight:700;margin-bottom:1rem;position:relative;z-index:1}.breadcrumb-wrapper{background:var(--bg-light);border-radius:8px;padding:.75rem 1.25rem;margin-bottom:2rem;font-size:.875rem;color:var(--text-secondary);border:1px solid var(--border-light)}.faq-section{background:#f9fafb;border-radius:12px;padding:2rem;margin:2rem 0;border:1px solid var(--border-light)}.faq-item{background:#fff;border-radius:8px;margin-bottom:1rem;border:1px solid var(--border-light);overflow:hidden}.faq-question{padding:1.25rem;font-weight:600;color:var(--text-primary);cursor:pointer;border:none;background:none;width:100%;text-align:left;display:flex;justify-content:space-between;align-items:center;transition:background-color .2s ease}.faq-question:hover{background-color:var(--bg-light)}.faq-answer{padding:0 1.25rem 1.25rem;color:#000;line-height:1.6}.strategy-steps{counter-reset:step-counter}.strategy-step{counter-increment:step-counter;position:relative;padding-left:4rem;margin-bottom:2rem}.strategy-step:before{content:counter(step-counter);position:absolute;left:0;top:0;width:2.5rem;height:2.5rem;background:linear-gradient(135deg,var(--primary-color),var(--primary-light));color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:1.125rem}.best-practices-list{list-style:none;padding:0}.best-practices-list li{position:relative;padding-left:2rem;margin-bottom:1rem;color:var(--text-secondary);line-height:1.6}.best-practices-list li:before{content:"✓";position:absolute;left:0;color:#10b981;font-weight:700;font-size:1.125rem}.mistakes-list{list-style:none;padding:0}.mistakes-list li{position:relative;padding-left:2rem;margin-bottom:1rem;color:var(--text-secondary);line-height:1.6}.mistakes-list li:before{content:"✗";position:absolute;left:0;color:#ef4444;font-weight:700;font-size:1.125rem}@media (max-width:768px){.content-wrapper{padding:1.5rem}.main-title{font-size:2rem}.section-title{font-size:1.5rem}.ad-types-grid,.feature-grid{grid-template-columns:1fr}.strategy-step{padding-left:3rem}.strategy-step:before{width:2rem;height:2rem;font-size:1rem}}@media (max-width:576px){.amazon-content{padding:1rem 0}.main-title{font-size:1.75rem}.section-title{font-size:1.25rem}.cta-box{padding:1.5rem}}