.article-content,.article-content *,.article-content div,.article-content h1,.article-content h2,.article-content h3,.article-content h4,.article-content h5,.article-content h6,.article-content p,.article-content section,body,html{background:#ffffff!important;color:#1f2937!important}.article-content{max-width:900px;margin:0 auto;padding:2rem;line-height:1.7;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:#1f2937;background:#ffffff!important}.article-content .main-title{background:linear-gradient(135deg,#2563eb,#1d4ed8 50%,#0891b2);color:white;padding:2.5rem;border-radius:16px;margin:0 0 2rem;font-size:2.5rem;font-weight:700;text-align:center;box-shadow:0 20px 40px rgba(37,99,235,.2);position:relative;overflow:hidden}.article-content .main-title:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.1) 50%,transparent 70%);transform:translateX(-100%);animation:shimmer 3s infinite}@keyframes shimmer{0%{transform:translateX(-100%)}to{transform:translateX(100%)}}.article-content .subtitle{font-size:1.8rem;color:#6b7280;font-weight:500;text-align:center;margin:1rem 0 2rem;font-style:italic;background:linear-gradient(90deg,#f3f4f6,#e5e7eb);padding:1.5rem;border-radius:12px;border-left:4px solid #2563eb}.article-content .section-heading{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:white;padding:1.25rem 1.75rem;border-radius:12px;margin:3rem 0 1.5rem;font-size:1.75rem;font-weight:600;box-shadow:0 8px 25px rgba(37,99,235,.25);position:relative;border-left:4px solid #0891b2}.article-content .section-heading:before{content:"💧";margin-right:.75rem;font-size:1.3em;filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}.article-content .subsection-heading{color:#1e40af;font-size:1.4rem;font-weight:600;margin:2rem 0 1rem;padding:1rem 1.25rem;background:linear-gradient(90deg,rgba(37,99,235,.1),rgba(8,145,178,.05));border-left:4px solid #2563eb;border-radius:0 8px 8px 0;position:relative}.article-content .subsection-heading:before{content:"▶";color:#2563eb;margin-right:.5rem;font-size:.8em}.article-content p{color:#374151;line-height:1.8}.article-content .article-paragraph{margin:1.5rem 0;color:#374151;font-size:1.1rem;line-height:1.8;background:#ffffff!important}.article-content .faq-question{color:#1e40af;font-size:1.1rem;font-weight:600;margin:0 0 1rem;padding-left:1rem;position:relative;background:#ffffff!important}.article-content .faq-question:before{content:"❓";position:absolute;left:-.5rem;top:0;color:#2563eb;font-size:.9em}.article-content .faq-answer{color:#374151;font-size:1rem;line-height:1.7;margin:0;background:white;padding:1rem;border-radius:8px;border-left:3px solid #e5e7eb;transition:all .3s ease}.article-content .product-recommendation{background:white;border:1px solid #e5e7eb;border-radius:12px;padding:2rem;margin:2.5rem 0;box-shadow:0 4px 6px rgba(0,0,0,.05);transition:transform .2s ease,box-shadow .2s ease}.article-content .product-recommendation:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,.1)}.article-content .product-recommendation h3{color:#1f2937;margin:0 0 1rem;font-size:1.5rem;border-bottom:2px solid #e5e7eb;padding-bottom:.5rem}.article-content .product-recommendation p{margin:1rem 0;color:#6b7280;line-height:1.6}.article-content h1{color:#1f2937;font-size:2.5rem;font-weight:700;margin:2rem 0;line-height:1.2}.article-content h2{color:#1e40af;font-size:1.75rem;font-weight:600;margin:2.5rem 0 1.5rem;line-height:1.3}.article-content h3{color:#1e40af;font-size:1.4rem;font-weight:600;margin:2rem 0 1rem;line-height:1.4}.article-content h4{color:#374151;font-size:1.2rem;font-weight:600;margin:1.5rem 0 .75rem;line-height:1.4}.article-content h5{color:#4b5563;font-size:1.1rem;font-weight:600;margin:1.25rem 0 .5rem;line-height:1.4}.article-content h6{color:#6b7280;font-size:1rem;font-weight:600;margin:1rem 0 .5rem;line-height:1.4}.article-content div,.article-content em,.article-content h1,.article-content h2,.article-content h3,.article-content h4,.article-content h5,.article-content h6,.article-content p,.article-content span,.article-content strong{background:#ffffff!important;color:#1f2937!important}.category-page-title{background:linear-gradient(135deg,#2563eb,#1d4ed8 50%,#0891b2);color:white;padding:2rem 2.5rem;border-radius:16px;margin:0 0 2rem;font-size:2.5rem;font-weight:700;text-align:center;box-shadow:0 20px 40px rgba(37,99,235,.2);position:relative;overflow:hidden}.category-page-title:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(45deg,transparent 30%,rgba(255,255,255,.1) 50%,transparent 70%);transform:translateX(-100%);animation:shimmer 3s infinite}.category-page-description{font-size:1.2rem;color:#6b7280;text-align:center;margin:0 auto 3rem;max-width:48rem;background:linear-gradient(90deg,#f3f4f6,#e5e7eb);padding:1.5rem;border-radius:12px;border-left:4px solid #2563eb;font-style:italic}.article-content .main-title{background:linear-gradient(135deg,#2563eb,#1d4ed8 50%,#0891b2)!important;color:white!important}.article-content .section-heading{background:linear-gradient(135deg,#2563eb,#1d4ed8)!important;color:white!important}.article-content .subtitle{color:#6b7280!important;background:linear-gradient(90deg,#f3f4f6,#e5e7eb)!important}.article-content p:first-of-type{font-size:1.2rem;color:#1f2937;font-weight:500;background:linear-gradient(135deg,#f8fafc,#f1f5f9);padding:2rem;border-radius:12px;border-left:5px solid #2563eb;margin:2rem 0;box-shadow:0 4px 15px rgba(37,99,235,.1)}.article-content ol,.article-content ul{margin:1.5rem 0;padding-left:0;list-style:none}.article-content li{margin:1rem 0;padding:1rem 1.25rem;background:#f8fafc;border-radius:8px;border-left:4px solid #2563eb;position:relative;transition:all .3s ease;box-shadow:0 2px 8px rgba(37,99,235,.1)}.article-content li:hover{background:#f1f5f9;transform:translateX(8px);box-shadow:0 4px 15px rgba(37,99,235,.15)}.article-content ul li:before{content:"✓";color:#2563eb;font-weight:700;margin-right:.75rem;font-size:1.1em}.article-content ol{counter-reset:item}.article-content ol li{counter-increment:item}.article-content ol li:before{content:counter(item) ".";color:#2563eb;font-weight:700;margin-right:.75rem;font-size:1.1em}.article-content table{width:100%;border-collapse:collapse;margin:2.5rem 0;background:white;border-radius:16px;overflow:hidden;box-shadow:0 10px 30px rgba(37,99,235,.1);border:1px solid #e5e7eb}.article-content th{background:linear-gradient(135deg,#2563eb,#1d4ed8);color:white;padding:1.25rem;text-align:left;font-weight:600;font-size:1rem;text-transform:uppercase;letter-spacing:.5px}.article-content td{padding:1.25rem;border-bottom:1px solid #f3f4f6;color:#374151;transition:background-color .2s ease}.article-content tr:nth-child(2n){background:#f8fafc}.article-content tr:hover{background:#f1f5f9}.article-content tr:hover td{background:transparent}.article-content a{color:#2563eb;text-decoration:none;font-weight:500;border-bottom:2px solid transparent;transition:all .3s ease;padding:.25rem 0}.article-content a:hover{color:#1d4ed8;border-bottom-color:#2563eb;background:linear-gradient(90deg,rgba(37,99,235,.1),transparent);padding:.25rem .5rem;border-radius:4px}.article-content a[href*="amazon.com"],.article-content a[href*="amzn.to"],a[href*="amazon.com"],a[href*="amzn.to"]{display:inline-block!important;background:linear-gradient(135deg,#f97316,#ea580c)!important;color:white!important;padding:.75rem 1.5rem!important;border-radius:8px!important;font-weight:600!important;text-decoration:none!important;border:none!important;margin:.5rem 0!important;box-shadow:0 4px 15px rgba(249,115,22,.3)!important;transition:all .3s ease!important;transform:translateY(0)!important}.article-content a[href*="amazon.com"]:hover,.article-content a[href*="amzn.to"]:hover,a[href*="amazon.com"]:hover,a[href*="amzn.to"]:hover{background:linear-gradient(135deg,#ea580c,#dc2626)!important;transform:translateY(-2px)!important;box-shadow:0 6px 20px rgba(249,115,22,.4)!important;color:white!important}.article-content a[href*="amazon.com"]:before,.article-content a[href*="amzn.to"]:before,a[href*="amazon.com"]:before,a[href*="amzn.to"]:before{content:"🛒 "!important;margin-right:.5rem!important}.article-content a[href*="amzn.to"],.article-content a[href*=amazon],a[href*="amzn.to"],a[href*=amazon]{display:inline-block!important;background:linear-gradient(135deg,#f97316,#ea580c)!important;color:white!important;padding:.75rem 1.5rem!important;border-radius:8px!important;font-weight:600!important;text-decoration:none!important;border:none!important;margin:.5rem 0!important;box-shadow:0 4px 15px rgba(249,115,22,.3)!important;transition:all .3s ease!important;transform:translateY(0)!important}.article-content a[href*="amzn.to"]:hover,.article-content a[href*=amazon]:hover,a[href*="amzn.to"]:hover,a[href*=amazon]:hover{background:linear-gradient(135deg,#ea580c,#dc2626)!important;transform:translateY(-2px)!important;box-shadow:0 6px 20px rgba(249,115,22,.4)!important;color:white!important}.article-content a[href*="amzn.to"]:before,.article-content a[href*=amazon]:before,a[href*="amzn.to"]:before,a[href*=amazon]:before{content:"🛒 "!important;margin-right:.5rem!important}.article-content .cta-link{display:inline-block!important;background:linear-gradient(135deg,#f97316,#ea580c)!important;color:white!important;padding:.75rem 1.5rem!important;border-radius:8px!important;font-weight:600!important;text-decoration:none!important;border:none!important;margin:.5rem 0!important;box-shadow:0 4px 15px rgba(249,115,22,.3)!important;transition:all .3s ease!important;transform:translateY(0)!important}.article-content .cta-link:hover{background:linear-gradient(135deg,#ea580c,#dc2626)!important;transform:translateY(-2px)!important;box-shadow:0 6px 20px rgba(249,115,22,.4)!important;color:white!important}.article-content .cta-link:before{content:"🛒 "!important;margin-right:.5rem!important}.article-content h3.top-products{background:linear-gradient(135deg,#059669,#047857);color:white;padding:1.25rem 1.75rem;border-radius:12px;margin:2.5rem 0 1.5rem;font-size:1.5rem;box-shadow:0 8px 25px rgba(5,150,105,.25);border-left:4px solid #10b981}.article-content h3.top-products:before{content:"🏆";margin-right:.75rem;font-size:1.2em}.article-content h2.faq-section{background:linear-gradient(135deg,#dc2626,#b91c1c);color:white;padding:1.25rem 1.75rem;border-radius:12px;margin:3rem 0 1.5rem;font-size:1.75rem;font-weight:600;box-shadow:0 8px 25px rgba(220,38,38,.25);border-left:4px solid #f87171}.article-content h2.faq-section:before{content:"❓";margin-right:.75rem;font-size:1.2em}.article-content h2.final-thoughts{background:linear-gradient(135deg,#7c3aed,#6d28d9);color:white;padding:1.25rem 1.75rem;border-radius:12px;margin:3rem 0 1.5rem;font-size:1.75rem;font-weight:600;box-shadow:0 8px 25px rgba(124,58,237,.25);border-left:4px solid #a78bfa}.article-content h2.final-thoughts:before{content:"🎯";margin-right:.75rem;font-size:1.2em}.article-content hr{border:none;height:4px;background:linear-gradient(90deg,#2563eb,#0891b2,#2563eb);margin:4rem 0;border-radius:2px;position:relative}.article-content hr:after{content:"🚐";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);background:white;padding:.5rem;border-radius:50%;font-size:1.2em}.article-content code{background:#f1f5f9;color:#dc2626;padding:.375rem .75rem;border-radius:6px;font-family:Monaco,Menlo,Ubuntu Mono,monospace;font-size:.9em;border:1px solid #e2e8f0;font-weight:500}.article-content blockquote{border-left:5px solid #2563eb;background:linear-gradient(90deg,rgba(37,99,235,.08),rgba(8,145,178,.05));padding:2rem;margin:2.5rem 0;border-radius:0 12px 12px 0;font-style:italic;color:#4b5563;position:relative;box-shadow:0 4px 15px rgba(37,99,235,.1)}.article-content blockquote:before{content:"\201C";font-size:4rem;color:#2563eb;position:absolute;top:-10px;left:15px;opacity:.3;font-family:serif}.article-content p.affiliate-disclosure{background:linear-gradient(135deg,#fef3c7,#fde68a);border:2px solid #f59e0b;padding:1.5rem;border-radius:12px;font-size:.95rem;color:#92400e;margin:2.5rem 0;text-align:center;font-weight:500;box-shadow:0 4px 15px rgba(245,158,11,.2)}.article-content img{max-width:100%;height:auto;border-radius:12px;margin:2rem 0;box-shadow:0 8px 25px rgba(37,99,235,.15);border:1px solid #e5e7eb}.article-intro{background:linear-gradient(135deg,#f8fafc,#e2e8f0);border-left:4px solid #3b82f6;padding:1.5rem;margin:2rem 0;border-radius:0 8px 8px 0}.article-intro p{margin:.75rem 0;line-height:1.6}.expert-tip{background:#fef3c7;border:1px solid #f59e0b;border-radius:8px;padding:1.25rem;margin:1.5rem 0;box-shadow:0 2px 4px rgba(0,0,0,.1)}.expert-tip h4{color:#92400e;margin:0 0 .75rem;font-size:1.1rem;font-weight:600}.expert-tip p{margin:0;color:#78350f;line-height:1.5}.expert-tip.warning{background:#fef2f2;border-color:#ef4444}.expert-tip.warning h4{color:#991b1b}.expert-tip.warning p{color:#7f1d1d}hr{border:none;height:2px;background:linear-gradient(90deg,transparent,#e5e7eb 50%,transparent);margin:3rem 0}table{border-collapse:collapse;width:100%;margin:2rem 0;background:white;border-radius:8px;overflow:hidden;box-shadow:0 4px 6px rgba(0,0,0,.1)}th{background:#f8fafc;text-align:left;font-weight:600;color:#374151;border-bottom:2px solid #e5e7eb}td,th{padding:1rem}td{border-bottom:1px solid #f3f4f6;vertical-align:top}tr:hover{background:#f9fafb}.product-item{background:white;border:1px solid #e5e7eb;border-radius:8px;padding:1.5rem;margin:1rem 0;box-shadow:0 2px 4px rgba(0,0,0,.05);transition:all .2s ease}.product-item:hover{box-shadow:0 4px 12px rgba(0,0,0,.1);transform:translateY(-2px)}.product-item h3{color:#1f2937;margin:0 0 .75rem;font-size:1.25rem}.product-item p{margin:.5rem 0;color:#6b7280;line-height:1.6}.cta-button{display:inline-block;background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:white;padding:1rem 2rem;border-radius:8px;text-decoration:none;font-weight:600;margin:1rem 0;transition:all .2s ease;box-shadow:0 2px 4px rgba(59,130,246,.3)}.cta-button:hover{background:linear-gradient(135deg,#1d4ed8,#1e40af);transform:translateY(-2px);box-shadow:0 4px 12px rgba(59,130,246,.4)}.product-recommendation{background:white;border:1px solid #e5e7eb;border-radius:12px;padding:2rem;margin:2.5rem 0;box-shadow:0 4px 6px rgba(0,0,0,.05);transition:transform .2s ease,box-shadow .2s ease}.product-recommendation:hover{transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,.1)}.product-recommendation h3{color:#1f2937;margin:0 0 1rem;font-size:1.5rem;border-bottom:2px solid #e5e7eb;padding-bottom:.5rem}.product-recommendation p{margin:1rem 0;color:#6b7280;line-height:1.6}.contaminant-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1rem;margin:2rem 0}.contaminant-item{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:1rem;text-align:center;transition:all .2s ease}.contaminant-item:hover{border-color:#3b82f6;transform:translateY(-2px)}.filtration-step{background:linear-gradient(135deg,#dbeafe,#bfdbfe);border:1px solid #93c5fd;border-radius:12px;padding:1.5rem;margin:1rem 0;position:relative;box-shadow:0 2px 4px rgba(0,0,0,.05);transition:all .2s ease}.factor-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin:2rem 0}.factor-item{background:white;border:1px solid #e5e7eb;border-radius:8px;padding:1.5rem;box-shadow:0 2px 4px rgba(0,0,0,.05);transition:all .2s ease}.factor-item:hover{box-shadow:0 4px 12px rgba(0,0,0,.1);transform:translateY(-2px)}.factor-item h4{color:#1f2937;margin:0 0 .75rem;font-size:1.1rem;font-weight:600}.factor-item p{margin:0;color:#6b7280;line-height:1.5}.setup-steps{display:flex;flex-direction:column;gap:1rem;margin:2rem 0}.setup-step{background:white;border:1px solid #e5e7eb;border-radius:8px;padding:1.5rem;position:relative;box-shadow:0 2px 4px rgba(0,0,0,.05);transition:all .2s ease}.step-number{position:absolute;left:-15px;top:50%;transform:translateY(-50%);background:#3b82f6;color:white;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem}.maintenance-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;margin:2rem 0}.maintenance-item{background:white;border:1px solid #e5e7eb;border-radius:8px;padding:1.5rem;box-shadow:0 2px 4px rgba(0,0,0,.05);transition:all .2s ease}.maintenance-item:hover{box-shadow:0 4px 12px rgba(0,0,0,.1);transform:translateY(-2px)}.maintenance-item h4{color:#1f2937;margin:0 0 .75rem;font-size:1.1rem;font-weight:600}.maintenance-item p{margin:0;color:#6b7280;line-height:1.5}.article-card{transition:all .3s cubic-bezier(.4,0,.2,1)}.article-card:hover{transform:translateY(-4px);box-shadow:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04)}.category-button{transition:all .2s ease-in-out}.category-button:hover{transform:scale(1.02)}.category-button:active{transform:scale(.98)}.loading-skeleton{background:linear-gradient(90deg,#f0f0f0 25%,#e0e0e0 50%,#f0f0f0 75%);background-size:200% 100%;animation:loading 1.5s infinite}@keyframes loading{0%{background-position:200% 0}to{background-position:-200% 0}}.line-clamp-2{-webkit-line-clamp:2}.line-clamp-2,.line-clamp-3{display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}.line-clamp-3{-webkit-line-clamp:3}@media (max-width:768px){.article-content{padding:1rem}.article-content h1:first-of-type{font-size:2rem;padding:2rem 1.5rem}.article-content h2{font-size:1.5rem;padding:1rem 1.25rem}.article-content h3{font-size:1.25rem;padding:.875rem 1rem}.article-content table{font-size:.9rem}.article-content td,.article-content th{padding:.875rem .75rem}.article-content li{padding:.875rem 1rem}}@media print{.article-content{max-width:none;padding:0}.article-content h1:first-of-type,.article-content h2,.article-content h3{background:none!important;color:#000!important;box-shadow:none!important}.article-content a{color:#000!important;text-decoration:underline!important}}.article-content{line-height:1.8;color:#374151;max-width:none}.article-content p{margin:1.5rem 0;font-size:1.1rem;line-height:1.7}.article-content strong{color:#1f2937;font-weight:600}.articles-grid{display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}@media (min-width:768px){.articles-grid{grid-template-columns:repeat(2,1fr);gap:1.5rem}}@media (min-width:1024px){.articles-grid{grid-template-columns:repeat(3,1fr);gap:2rem}}.category-grid{display:grid;gap:1rem;grid-template-columns:repeat(2,1fr)}@media (min-width:768px){.category-grid{grid-template-columns:repeat(4,1fr);gap:1.5rem}}.focus-visible{outline:none;ring:2px solid #3b82f6;ring-offset:2px}.smooth-scroll{scroll-behavior:smooth}::selection{background:#dbeafe;color:#1e40af}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f5f9}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}@media print{.no-print{display:none!important}.print-break{page-break-before:always}.print-avoid-break{page-break-inside:avoid}}@media (prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media (prefers-color-scheme:dark){.article-content,.article-content *{background:#ffffff!important;color:#1f2937!important}.article-content .main-title{background:linear-gradient(135deg,#2563eb,#1d4ed8 50%,#0891b2)!important;color:white!important}.article-content .section-heading{background:linear-gradient(135deg,#2563eb,#1d4ed8)!important;color:white!important}.article-content .subtitle{color:#6b7280!important;background:linear-gradient(90deg,#f3f4f6,#e5e7eb)!important}.article-content p{color:#374151!important}.article-content h1,.article-content h2,.article-content h3,.article-content h4,.article-content h5,.article-content h6{color:#1f2937!important}.article-content a{color:#2563eb!important}.article-content table{background:white!important}.article-content th{background:linear-gradient(135deg,#2563eb,#1d4ed8)!important;color:white!important}.article-content td{background:white!important;color:#374151!important}.article-content li,.article-content tr:nth-child(2n){background:#f8fafc!important}.article-content li{color:#374151!important}.article-content blockquote{background:linear-gradient(90deg,rgba(37,99,235,.08),rgba(8,145,178,.05))!important;color:#4b5563!important}.article-content code{background:#f1f5f9!important;color:#dc2626!important}}