:root{--color-primary: #1B4F72;--color-primary-light: #2471A3;--color-primary-dark: #154360;--color-accent: #27AE60;--color-accent-light: #2ECC71;--color-bg: #FAFAFA;--color-bg-alt: #F0F3F5;--color-surface: #FFFFFF;--color-border: #E0E4E8;--color-border-light: #EEF1F4;--color-text: #2C3E50;--color-text-light: #5D6D7E;--color-text-lighter: #8B9DB5;--color-text-inverse: #FFFFFF;--font-heading: "Lora", Georgia, "Times New Roman", serif;--font-body: "Source Sans 3", "Segoe UI", Tahoma, sans-serif;--max-width: 1140px;--content-width: 720px;--sidebar-width: 320px;--header-height: 64px;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: 4px;--radius-md: 6px;--radius-lg: 8px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-body);font-size:16px;line-height:1.65;color:var(--color-text);background-color:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{max-width:100%;height:auto;display:block}a{color:var(--color-primary);text-decoration:none;transition:color .2s ease}a:hover{color:var(--color-primary-light)}a:focus-visible{outline:2px solid var(--color-primary-light);outline-offset:2px;border-radius:var(--radius-sm)}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:600;line-height:1.3;color:var(--color-text);text-wrap:pretty}h1{font-size:2rem;margin-bottom:var(--space-lg)}h2{font-size:1.5rem;margin-bottom:var(--space-md);margin-top:var(--space-2xl)}h3{font-size:1.25rem;margin-bottom:var(--space-sm);margin-top:var(--space-xl)}p{margin-bottom:var(--space-md)}ul,ol{margin-bottom:var(--space-md);padding-left:var(--space-xl)}li{margin-bottom:var(--space-xs)}button{font-family:var(--font-body);cursor:pointer;border:none;background:none}button:focus-visible{outline:2px solid var(--color-primary-light);outline-offset:2px;border-radius:var(--radius-sm)}.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--space-lg)}.page-wrapper{min-height:calc(100vh - var(--header-height));padding-top:var(--space-xl);padding-bottom:var(--space-3xl)}.skip-link{position:absolute;top:-100%;left:var(--space-md);background:var(--color-primary);color:var(--color-text-inverse);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-sm);z-index:9999;font-weight:600}.skip-link:focus{top:var(--space-md);color:var(--color-text-inverse)}.header{background:var(--color-surface);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:100%}.header-logo{display:flex;align-items:center;gap:var(--space-sm)}.header-logo img{height:38px;width:auto}.header-nav{display:flex;align-items:center;gap:var(--space-lg)}.header-nav a{color:var(--color-text);font-size:.95rem;font-weight:500;padding:var(--space-xs) 0;border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease}.header-nav a:hover,.header-nav a.active{color:var(--color-primary);border-bottom-color:var(--color-primary)}.header-hamburger{display:none;flex-direction:column;gap:5px;padding:var(--space-sm);background:none;border:none}.header-hamburger span{display:block;width:22px;height:2px;background:var(--color-text);border-radius:1px;transition:transform .2s ease,opacity .2s ease}.mobile-nav{display:none}.mobile-nav.open{display:flex;flex-direction:column;background:var(--color-surface);border-bottom:1px solid var(--color-border);padding:var(--space-md) var(--space-lg);gap:var(--space-sm)}.mobile-nav a{color:var(--color-text);font-weight:500;padding:var(--space-sm) 0;border-bottom:1px solid var(--color-border-light)}@media (max-width: 768px){.header-nav{display:none}.header-hamburger{display:flex}}.footer{background:var(--color-primary-dark);color:var(--color-text-inverse);padding:var(--space-2xl) 0 var(--space-lg);margin-top:var(--space-3xl)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-2xl);margin-bottom:var(--space-2xl)}.footer-section h4{color:var(--color-text-inverse);font-family:var(--font-body);font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;margin-bottom:var(--space-md);opacity:.85}.footer-section p{font-size:.9rem;opacity:.8;line-height:1.6}.footer-section ul{list-style:none;padding:0}.footer-section ul li{margin-bottom:var(--space-xs)}.footer-section a{color:var(--color-text-inverse);opacity:.75;font-size:.9rem;transition:opacity .2s ease}.footer-section a:hover{opacity:1;color:var(--color-text-inverse)}.footer-logo{margin-bottom:var(--space-md);filter:brightness(0) invert(1);opacity:.9}.footer-bottom{border-top:1px solid rgba(255,255,255,.15);padding-top:var(--space-lg);text-align:center;font-size:.85rem;opacity:.6}@media (max-width: 768px){.footer-grid{grid-template-columns:1fr 1fr;gap:var(--space-xl)}}@media (max-width: 480px){.footer-grid{grid-template-columns:1fr}}.breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:var(--space-xs);font-size:.85rem;color:var(--color-text-light);margin-bottom:var(--space-lg)}.breadcrumbs a{color:var(--color-text-light)}.breadcrumbs a:hover{color:var(--color-primary)}.breadcrumbs-separator{margin:0 var(--space-xs);opacity:.5}.breadcrumbs-current{color:var(--color-text);font-weight:500}.article-card-link{text-decoration:none;color:inherit;display:block;border-radius:var(--radius-lg);transition:transform .15s ease}.article-card-link:hover{color:inherit}.article-card-link:hover .article-card{border-color:var(--color-primary-light)}.article-card-link:hover .article-card-title{color:var(--color-primary)}.article-card-link:focus-visible{outline:2px solid var(--color-primary-light);outline-offset:2px}.article-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden;transition:border-color .2s ease;display:flex;flex-direction:column;height:100%}.article-card-image{width:100%;height:200px;object-fit:cover}.article-card-body{padding:var(--space-lg);display:flex;flex-direction:column;flex:1}.article-card-category{font-size:.8rem;font-weight:600;color:var(--color-primary);text-transform:uppercase;letter-spacing:.03em;margin-bottom:var(--space-sm)}.article-card-title{font-family:var(--font-heading);font-size:1.15rem;font-weight:600;line-height:1.35;margin-bottom:var(--space-sm);color:var(--color-text);transition:color .2s ease}.article-card-excerpt{font-size:.9rem;color:var(--color-text-light);line-height:1.55;margin-bottom:var(--space-md);flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.article-card-meta{font-size:.8rem;color:var(--color-text-lighter)}.category-card-link{text-decoration:none;color:inherit;display:block;border-radius:var(--radius-lg)}.category-card-link:hover{color:inherit}.category-card-link:hover .category-card{border-color:var(--color-primary-light)}.category-card-link:hover .category-card-name{color:var(--color-primary)}.category-card-link:focus-visible{outline:2px solid var(--color-primary-light);outline-offset:2px}.category-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg);transition:border-color .2s ease;height:100%}.category-card-name{font-family:var(--font-heading);font-size:1.1rem;font-weight:600;margin-bottom:var(--space-xs);color:var(--color-text);transition:color .2s ease}.category-card-description{font-size:.9rem;color:var(--color-text-light);line-height:1.5;margin-bottom:var(--space-sm)}.category-card-count{font-size:.8rem;color:var(--color-text-lighter)}.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-lg)}.categories-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--space-lg)}.search-bar{position:relative;max-width:560px;margin:0 auto var(--space-2xl)}.search-bar input{width:100%;padding:.75rem 1rem .75rem 2.75rem;border:1px solid var(--color-border);border-radius:var(--radius-lg);font-family:var(--font-body);font-size:1rem;color:var(--color-text);background:var(--color-surface);transition:border-color .2s ease}.search-bar input::placeholder{color:var(--color-text-lighter)}.search-bar input:focus{outline:none;border-color:var(--color-primary-light)}.search-bar-icon{position:absolute;left:.9rem;top:50%;transform:translateY(-50%);color:var(--color-text-lighter);pointer-events:none;font-size:1.1rem}.search-results{position:absolute;top:100%;left:0;right:0;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);margin-top:var(--space-xs);max-height:320px;overflow-y:auto;z-index:50;box-shadow:0 4px 12px #00000014}.search-results a{display:block;padding:var(--space-sm) var(--space-md);color:var(--color-text);font-size:.9rem;border-bottom:1px solid var(--color-border-light)}.search-results a:last-child{border-bottom:none}.search-results a:hover{background:var(--color-bg-alt)}.search-no-results{padding:var(--space-md);color:var(--color-text-light);font-size:.9rem;text-align:center}.article-layout{display:grid;grid-template-columns:1fr var(--sidebar-width);gap:var(--space-2xl);align-items:start}.article-content{max-width:var(--content-width)}.article-table{width:100%;border-collapse:collapse;margin-bottom:var(--space-lg);font-size:.9rem}.article-table th,.article-table td{padding:var(--space-sm) var(--space-md);border:1px solid var(--color-border);text-align:left;line-height:1.5}.article-table th{background:var(--color-bg-alt);font-weight:600;font-size:.85rem;color:var(--color-text)}.article-table tr:nth-child(2n){background:var(--color-bg-alt)}.article-table td strong{color:var(--color-text)}.article-header{margin-bottom:var(--space-2xl)}.article-header h1{font-size:2rem;margin-bottom:var(--space-md)}.article-meta{font-size:.85rem;color:var(--color-text-light);display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-lg)}.article-cover-image{width:100%;height:auto;border-radius:var(--radius-lg);object-fit:cover;max-height:420px}.article-body h2{scroll-margin-top:calc(var(--header-height) + var(--space-lg))}.article-body h2:before{content:"";display:block;height:3px;width:40px;background:var(--color-primary);border-radius:2px;margin-bottom:var(--space-sm)}.article-section{margin-bottom:var(--space-2xl)}.info-box{background:var(--color-bg-alt);border-left:3px solid var(--color-primary);padding:var(--space-md) var(--space-lg);border-radius:0 var(--radius-md) var(--radius-md) 0;margin-bottom:var(--space-lg)}.info-box-title{font-family:var(--font-body);font-weight:600;font-size:.9rem;color:var(--color-primary);margin-bottom:var(--space-xs)}.steps-list{list-style:none;padding:0;counter-reset:step-counter}.step-item{counter-increment:step-counter;display:flex;gap:var(--space-md);margin-bottom:var(--space-lg);padding-bottom:var(--space-lg);border-bottom:1px solid var(--color-border-light)}.step-item:last-child{border-bottom:none;padding-bottom:0}.step-number{flex-shrink:0;width:32px;height:32px;background:var(--color-primary);color:var(--color-text-inverse);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;margin-top:2px}.step-content h4{font-family:var(--font-body);font-weight:600;font-size:1rem;margin-bottom:var(--space-xs)}.step-content p{font-size:.95rem;color:var(--color-text-light);margin-bottom:0}.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-md);margin-bottom:var(--space-sm);overflow:hidden}.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);font-family:var(--font-body);font-size:.95rem;font-weight:600;color:var(--color-text);background:var(--color-surface);text-align:left;cursor:pointer;transition:background-color .2s ease}.faq-question:hover{background:var(--color-bg-alt)}.faq-toggle{font-size:1.2rem;color:var(--color-text-lighter);transition:transform .2s ease}.faq-toggle.open{transform:rotate(45deg)}.faq-answer{padding:0 var(--space-lg) var(--space-md);font-size:.9rem;color:var(--color-text-light);line-height:1.6}.error-item{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);margin-bottom:var(--space-md)}.error-item-title{font-weight:600;font-size:.95rem;color:#c0392b;margin-bottom:var(--space-xs)}.error-item-solution{font-size:.9rem;color:var(--color-text-light)}.official-links{list-style:none;padding:0}.official-links li{margin-bottom:var(--space-sm)}.official-links a{display:inline-flex;align-items:center;gap:var(--space-sm);color:var(--color-primary);font-weight:500;font-size:.95rem}.official-links a:before{content:"→";font-size:.85rem}.sidebar{position:sticky;top:calc(var(--header-height) + var(--space-lg))}.sidebar-section{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-lg);margin-bottom:var(--space-lg)}.sidebar-section h3{font-family:var(--font-body);font-size:.9rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;color:var(--color-text);margin-bottom:var(--space-md);margin-top:0}.sidebar-article{display:block;padding:var(--space-sm) 0;border-bottom:1px solid var(--color-border-light);color:var(--color-text);font-size:.9rem;line-height:1.4}.sidebar-article:last-child{border-bottom:none}.sidebar-article:hover{color:var(--color-primary)}.toc{padding:0;list-style:none}.toc li{margin-bottom:var(--space-xs)}.toc a{font-size:.85rem;color:var(--color-text-light);display:block;padding:var(--space-xs) 0;border-left:2px solid transparent;padding-left:var(--space-sm);transition:color .2s ease,border-color .2s ease}.toc a:hover{color:var(--color-primary);border-left-color:var(--color-primary)}.ad-slot{background:var(--color-bg-alt);border:1px dashed var(--color-border);border-radius:var(--radius-md);padding:var(--space-lg);text-align:center;color:var(--color-text-lighter);font-size:.8rem;margin:var(--space-xl) 0;min-height:90px;display:flex;align-items:center;justify-content:center}.section-heading{font-size:1.5rem;margin-bottom:var(--space-lg);margin-top:0}.section-subheading{font-family:var(--font-body);font-size:.95rem;color:var(--color-text-light);margin-bottom:var(--space-xl);margin-top:calc(-1 * var(--space-sm))}.home-intro{text-align:center;padding:var(--space-2xl) 0}.home-intro h1{font-size:2rem;margin-bottom:var(--space-md)}.home-intro p{font-size:1.05rem;color:var(--color-text-light);max-width:600px;margin:0 auto var(--space-xl);line-height:1.65}.home-section{margin-bottom:var(--space-3xl)}.home-section-header{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:var(--space-lg)}.home-section-header a{font-size:.9rem;font-weight:500}.legal-content{max-width:var(--content-width);margin:0 auto}.legal-content h2{font-size:1.35rem}.legal-content h3{font-size:1.1rem}.contact-form{max-width:560px}.form-group{margin-bottom:var(--space-lg)}.form-group label{display:block;font-weight:600;font-size:.9rem;margin-bottom:var(--space-xs);color:var(--color-text)}.form-group input,.form-group textarea{width:100%;padding:.65rem .9rem;border:1px solid var(--color-border);border-radius:var(--radius-md);font-family:var(--font-body);font-size:.95rem;color:var(--color-text);background:var(--color-surface);transition:border-color .2s ease}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-primary-light)}.form-group textarea{min-height:140px;resize:vertical}.btn-primary{display:inline-flex;align-items:center;padding:.65rem 1.5rem;background:var(--color-primary);color:var(--color-text-inverse);font-family:var(--font-body);font-size:.95rem;font-weight:600;border:none;border-radius:var(--radius-md);cursor:pointer;transition:background-color .2s ease}.btn-primary:hover{background:var(--color-primary-light)}.btn-primary:focus-visible{outline:2px solid var(--color-primary-light);outline-offset:2px}.not-found{text-align:center;padding:var(--space-3xl) 0}.not-found h1{font-size:4rem;color:var(--color-text-lighter);margin-bottom:var(--space-md)}.not-found p{font-size:1.1rem;color:var(--color-text-light);margin-bottom:var(--space-xl)}.faq-page-list{max-width:var(--content-width);margin:0 auto}@media (max-width: 960px){.article-layout{grid-template-columns:1fr}.sidebar{position:static}.article-content{max-width:100%}}@media (max-width: 768px){h1{font-size:1.65rem}h2{font-size:1.3rem}.articles-grid,.categories-grid{grid-template-columns:1fr}.container{padding:0 var(--space-md)}.home-intro h1{font-size:1.65rem}}@media (prefers-reduced-motion: reduce){*{transition-duration:.01ms!important}html{scroll-behavior:auto}}