*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}:root{--color-primary:#1a56db;--color-primary-dark:#1e40af;--color-primary-light:#3b82f6;--color-secondary:#059669;--color-accent:#f59e0b;--color-text:#1f2937;--color-text-light:#6b7280;--color-text-lighter:#9ca3af;--color-bg:#ffffff;--color-bg-light:#f9fafb;--color-bg-dark:#111827;--color-border:#e5e7eb;--color-border-light:#f3f4f6;--color-success:#10b981;--color-warning:#f59e0b;--color-star:#f59e0b;--font-display:'Georgia', 'Times New Roman', serif;--font-body:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;--font-mono:'SF Mono', 'Fira Code', monospace;--shadow-sm:0 1px 2px rgba(0,0,0,0.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);--shadow-lg:0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);--shadow-xl:0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--container-max:1200px;--header-height:64px}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:var(--color-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-primary-dark)}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 16px}.skip-link{position:absolute;top:-40px;left:0;background:var(--color-primary);color:#fff;padding:8px 16px;z-index:1000;transition:top .2s}.skip-link:focus{top:0}.site-header{background:var(--color-bg);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100;height:var(--header-height)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-height)}.site-logo{font-family:var(--font-display);font-size:1.5rem;font-weight:700;color:var(--color-text)}.site-logo:hover{color:var(--color-primary)}.nav-list{display:none;list-style:none;gap:24px}.nav-link{color:var(--color-text);font-weight:500;font-size:.95rem;padding:8px 0;border-bottom:2px solid transparent;transition:all .2s ease}.nav-link:hover,.nav-link.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.mobile-menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;background:0 0;border:none;cursor:pointer;padding:10px}.hamburger-line{display:block;width:100%;height:2px;background:var(--color-text);transition:all .3s ease}.mobile-menu-toggle[aria-expanded=true] .hamburger-line:nth-child(1){transform:rotate(45deg)translate(5px,5px)}.mobile-menu-toggle[aria-expanded=true] .hamburger-line:nth-child(2){opacity:0}.mobile-menu-toggle[aria-expanded=true] .hamburger-line:nth-child(3){transform:rotate(-45deg)translate(7px,-6px)}.mobile-menu-toggle[aria-expanded=true]+.main-nav{display:block}.main-nav{display:none;position:absolute;top:var(--header-height);left:0;right:0;background:var(--color-bg);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-lg);padding:16px}.main-nav .nav-list{display:flex;flex-direction:column;gap:0}.main-nav .nav-item{border-bottom:1px solid var(--color-border-light)}.main-nav .nav-link{display:block;padding:12px 0}.hero{background:linear-gradient(135deg,#1e3a8a 0%,#1a56db 100%);color:#fff;padding:48px 0;text-align:center}.hero-title{font-family:var(--font-display);font-size:1.75rem;font-weight:700;line-height:1.2;margin-bottom:16px}.hero-subtitle{font-size:1rem;opacity:.9;margin-bottom:24px;max-width:600px;margin-left:auto;margin-right:auto}.hero-cta{display:inline-block;background:#fff;color:var(--color-primary);padding:12px 32px;border-radius:var(--radius-md);font-weight:600;font-size:1rem;transition:all .2s ease;min-height:44px;line-height:1.5}.hero-cta:hover{background:var(--color-bg-light);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.section{padding:40px 0}.section-title{font-family:var(--font-display);font-size:1.5rem;font-weight:700;margin-bottom:24px;text-align:center}.section-title.left{text-align:left}.category-nav{display:flex;gap:8px;margin-bottom:24px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}.category-nav-item{display:inline-block;padding:8px 18px;background:var(--color-bg-light);border:1px solid var(--color-border);border-radius:20px;font-size:.9rem;font-weight:500;color:var(--color-text);white-space:nowrap;transition:all .2s ease;min-height:40px;line-height:1.5}.category-nav-item:hover,.category-nav-item.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.article-grid{display:grid;gap:20px;grid-template-columns:1fr}.article-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;transition:all .2s ease}.article-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.card-link{display:block;color:inherit}.card-link:hover{color:inherit}.card-image{aspect-ratio:16/10;overflow:hidden;background:var(--color-bg-light)}.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.article-card:hover .card-image img{transform:scale(1.05)}.card-content{padding:16px}.card-title{font-size:1.1rem;font-weight:600;margin-bottom:8px;line-height:1.3}.card-excerpt{color:var(--color-text-light);font-size:.9rem;margin-bottom:12px;line-height:1.5}.card-meta{display:flex;justify-content:space-between;align-items:center;font-size:.85rem;color:var(--color-text-lighter)}.card-rating .star{color:var(--color-star)}.card-rating .star.empty{color:var(--color-border)}.category-grid{display:grid;gap:16px;grid-template-columns:1fr}.category-card{background:var(--color-bg-light);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:24px;text-align:center;transition:all .2s ease;min-height:44px;display:flex;flex-direction:column;justify-content:center}.category-card:hover{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.category-card:hover .category-name,.category-card:hover .category-desc{color:#fff}.category-name{font-size:1.1rem;font-weight:600;margin-bottom:4px}.category-desc{font-size:.85rem;color:var(--color-text-light)}.category-article-list{display:flex;flex-direction:column;gap:24px;margin-top:32px}.category-article-item{border-bottom:1px solid var(--color-border);padding-bottom:24px}.category-article-item:last-child{border-bottom:none}.category-article-link{display:block;color:inherit}.category-article-link:hover{color:inherit}.category-article-title{font-size:1.25rem;font-weight:600;margin-bottom:8px;line-height:1.3;color:var(--color-text)}.category-article-title:hover{color:var(--color-primary)}.category-article-excerpt{color:var(--color-text-light);font-size:.95rem;line-height:1.6;margin-bottom:12px}.read-more{display:inline-block;color:var(--color-primary);font-weight:600;font-size:.9rem;letter-spacing:.5px}.read-more:hover{color:var(--color-primary-dark)}.section-intro{text-align:center;max-width:700px;margin:0 auto 32px;color:var(--color-text-light);line-height:1.7}.about-features{max-width:800px;margin:0 auto 24px}.about-feature{margin-bottom:16px;padding:16px 20px;background:var(--color-bg-light);border-left:3px solid var(--color-primary);border-radius:0 var(--radius-sm)var(--radius-sm)0}.about-feature p{color:var(--color-text-light);line-height:1.7;margin:0}.about-brief .btn{display:block;margin:0 auto;max-width:200px}.steps-grid{display:grid;gap:20px;grid-template-columns:1fr;margin-bottom:24px}.step-card{text-align:center;padding:24px 16px}.step-number{width:48px;height:48px;background:var(--color-primary);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:700;margin:0 auto 16px}.step-card h3{font-size:1.1rem;margin-bottom:8px}.step-card p{color:var(--color-text-light);font-size:.9rem}.section-link{display:block;text-align:center;font-weight:600;padding:12px;min-height:44px;line-height:1.5}.about-brief{background:var(--color-bg-light)}.about-content{text-align:center;max-width:700px;margin:0 auto}.about-content h2{font-family:var(--font-display);font-size:1.5rem;margin-bottom:16px}.about-content p{color:var(--color-text-light);margin-bottom:24px}.btn{display:inline-block;padding:12px 24px;border-radius:var(--radius-md);font-weight:600;font-size:.95rem;text-align:center;cursor:pointer;transition:all .2s ease;border:none;min-height:44px;line-height:1.5}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);color:#fff}.btn-secondary{background:var(--color-text);color:#fff}.btn-secondary:hover{background:var(--color-bg-dark);color:#fff}.breadcrumb{padding:16px 0;font-size:.85rem}.breadcrumb-list{display:flex;flex-wrap:wrap;list-style:none;gap:8px}.breadcrumb-list li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--color-text-lighter)}.breadcrumb-list .active{color:var(--color-text-light)}.article-page{padding:24px 0}.article-header{margin-bottom:32px}.article-header h1{font-family:var(--font-display);font-size:1.75rem;line-height:1.2;margin-bottom:16px}.article-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:.9rem;color:var(--color-text-light);margin-bottom:16px}.article-summary{font-size:1.05rem;color:var(--color-text-light);line-height:1.7}.article-layout{display:block}.article-content{font-size:1rem;line-height:1.8}.article-content h2{font-size:1.4rem;margin:32px 0 16px;padding-top:16px}.article-content h3{font-size:1.2rem;margin:24px 0 12px}.article-content p{margin-bottom:16px}.article-content ul,.article-content ol{margin-bottom:16px;padding-left:24px}.article-content li{margin-bottom:8px}.toc{background:var(--color-bg-light);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px;margin-bottom:32px}.toc-title{font-size:1.1rem;margin-bottom:12px}.toc-content ul{list-style:none;padding-left:0}.toc-content li{margin-bottom:8px}.toc-content a{color:var(--color-text);font-size:.95rem}.toc-content a:hover{color:var(--color-primary)}.toc-content ul ul{padding-left:16px;margin-top:8px}.products-section{margin-top:40px}.products-section h2{font-size:1.4rem;margin-bottom:24px}.product-card{display:flex;gap:16px;padding:20px;border:2px solid var(--color-border);border-radius:var(--radius-lg);margin-bottom:20px;background:var(--color-bg)}.product-rank{font-size:1.5rem;font-weight:700;color:var(--color-primary);flex-shrink:0}.product-name{font-size:1.2rem;margin-bottom:8px}.product-badge{display:inline-block;background:var(--color-primary);color:#fff;font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:3px;letter-spacing:.5px;margin-bottom:8px}.product-badge.BEST.VALUE{background:var(--color-success)}.product-badge.BUDGET.PICK{background:var(--color-accent);color:var(--color-text)}.product-rating{display:flex;align-items:center;gap:8px;margin-bottom:12px}.product-rating .star{color:var(--color-star);font-size:1.1rem}.product-rating .star.empty{color:var(--color-border)}.rating-text{font-size:.9rem;color:var(--color-text-light)}.product-desc{color:var(--color-text-light);margin-bottom:16px;line-height:1.6}.product-pros,.product-cons{margin-bottom:16px}.product-pros h4,.product-cons h4{font-size:.95rem;margin-bottom:8px}.product-pros h4{color:var(--color-success)}.product-cons h4{color:#dc2626}.product-pros ul,.product-cons ul{list-style:none;padding-left:0}.product-pros li::before{content:"+ ";color:var(--color-success);font-weight:600}.product-cons li::before{content:"- ";color:#dc2626;font-weight:600}.product-specs{margin-bottom:16px}.product-specs h4{font-size:.95rem;margin-bottom:8px}.product-specs table{width:100%;border-collapse:collapse;font-size:.9rem}.product-specs td{padding:8px 12px;border-bottom:1px solid var(--color-border-light)}.product-specs td:first-child{font-weight:600;color:var(--color-text-light);width:40%}.product-cta{display:flex;align-items:center;gap:16px;margin-top:16px;padding-top:16px;border-top:1px solid var(--color-border-light)}.product-price{font-size:1.25rem;font-weight:700;color:var(--color-text)}.cta-button{flex:1;text-align:center}.faq-section{margin-top:40px;padding-top:32px;border-top:1px solid var(--color-border)}.faq-section h2{font-size:1.4rem;margin-bottom:24px}.faq-item{margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--color-border-light)}.faq-question{font-size:1.05rem;margin-bottom:8px}.faq-answer{color:var(--color-text-light);line-height:1.7}.sidebar-widget{background:var(--color-bg-light);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:20px;margin-bottom:20px}.sidebar-widget h3{font-size:1rem;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--color-primary)}.quick-compare{display:flex;flex-direction:column;gap:8px}.compare-item{display:flex;justify-content:space-between;padding:8px 12px;background:var(--color-bg);border-radius:var(--radius-sm);font-size:.9rem}.compare-item:hover{background:var(--color-primary);color:#fff}.related-list{list-style:none;padding:0}.related-list li{margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--color-border-light)}.related-list li:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.related-list a{font-size:.9rem;line-height:1.4}.site-footer{background:var(--color-bg-dark);color:#d1d5db;padding:40px 0 20px;margin-top:48px}.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;margin-bottom:32px}.footer-logo{font-family:var(--font-display);font-size:1.25rem;color:#fff;margin-bottom:12px}.footer-desc{font-size:.9rem;margin-bottom:12px;line-height:1.6}.affiliate-disclaimer{font-size:.8rem;color:#9ca3af;font-style:italic}.footer-links h4,.footer-categories h4,.footer-contact h4{color:#fff;font-size:1rem;margin-bottom:16px}.footer-links ul,.footer-categories ul{list-style:none;padding:0}.footer-links li,.footer-categories li{margin-bottom:8px}.footer-links a,.footer-categories a{color:#d1d5db;font-size:.9rem}.footer-links a:hover,.footer-categories a:hover{color:#fff}.footer-contact a{color:var(--color-primary-light)}.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid #374151;font-size:.85rem;color:#9ca3af}.static-page{padding:40px 0;max-width:800px;margin:0 auto}.static-page h1{font-family:var(--font-display);font-size:2rem;margin-bottom:24px}.static-page h2{font-size:1.4rem;margin:32px 0 16px}.static-page p{margin-bottom:16px;line-height:1.8;color:var(--color-text-light)}.category-header{margin-bottom:32px}.category-header h1{font-family:var(--font-display);font-size:1.75rem;margin-bottom:12px}.category-description{color:var(--color-text-light);line-height:1.7}.article-list{display:grid;gap:20px;grid-template-columns:1fr}.list-card{display:flex;flex-direction:column}