*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}img,video{max-width:100%;height:auto;display:block}input,button,select,textarea{font:inherit}:root{--primary-dark: #0F2B5C;--primary: #1E4A7A;--primary-light: #E9F0FA;--accent: #C97A12;--accent-light: #FDE7C8;--neutral-900: #1A202C;--neutral-700: #4A5568;--neutral-500: #6B7686;--neutral-300: #CBD5E0;--neutral-200: #E2E8F0;--neutral-100: #F7FAFC;--white: #FFFFFF;--focus-ring: #1E4A7A;--content-max: 720px;--reading-lh: 1.85;--card-radius: 16px;--section-gap: 64px;--shadow-sm: 0 1px 4px rgba(0,0,0,.06), 0 2px 8px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.04);--shadow-lg: 0 12px 32px rgba(0,0,0,.1), 0 4px 12px rgba(0,0,0,.05);--gradient-primary: linear-gradient(135deg, #0F2B5C 0%, #1E4A7A 100%);--transition: all .2s ease;--header-h: 64px}html{overflow-x:clip}body{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--neutral-900);background:var(--white);line-height:1.6;overflow-x:clip;-webkit-font-smoothing:antialiased}.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary-dark);color:#fff;padding:.75rem 1.25rem;border-radius:0 0 8px;z-index:9999;font-weight:600;text-decoration:none;white-space:nowrap}.skip-link:focus{left:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--focus-ring);outline-offset:3px;border-radius:4px}.blog-container{max-width:1280px;margin:0 auto;padding:0 16px}.blog-container--narrow{max-width:860px;margin:0 auto;padding:0 16px}.blog-content-area{max-width:var(--content-max);margin:0 auto}@media(min-width:640px){.blog-container,.blog-container--narrow{padding:0 24px}}@media(min-width:1024px){.blog-container{padding:0 32px}}.blog-h1{font-size:clamp(1.75rem,5vw,3rem);font-weight:700;line-height:1.15;letter-spacing:-.03em;color:var(--primary-dark)}.blog-h2{font-size:clamp(1.4rem,3.5vw,2.2rem);font-weight:700;line-height:1.2;letter-spacing:-.02em;color:var(--primary-dark);margin-bottom:1rem}.blog-h3{font-size:clamp(1.1rem,2.5vw,1.35rem);font-weight:600;color:var(--primary-dark);margin-bottom:.75rem}.prose{font-size:clamp(1rem,2vw,1.08rem);line-height:var(--reading-lh);color:var(--neutral-700);word-break:break-word;overflow-wrap:break-word}.prose h2{font-size:clamp(1.35rem,3vw,1.75rem);font-weight:700;color:var(--primary-dark);margin:2.25rem 0 .9rem;letter-spacing:-.02em;scroll-margin-top:calc(var(--header-h) + 16px);line-height:1.25}.prose h3{font-size:clamp(1.1rem,2.5vw,1.3rem);font-weight:600;color:var(--primary-dark);margin:1.75rem 0 .65rem;scroll-margin-top:calc(var(--header-h) + 16px);line-height:1.3}.prose h4{font-size:1.05rem;font-weight:600;color:var(--neutral-900);margin:1.4rem 0 .5rem}.prose p{margin-bottom:1.35rem}.prose p:last-child{margin-bottom:0}.prose strong{color:var(--neutral-900);font-weight:600}.prose em{font-style:italic}.prose a{color:var(--primary);text-underline-offset:3px;transition:color .2s ease}.prose a:hover{color:var(--accent)}.prose ul,.prose ol{padding-left:1.4rem;margin-bottom:1.35rem}.prose li{margin-bottom:.5rem;line-height:1.65}.prose ul li::marker{color:var(--accent)}.prose blockquote{border-left:4px solid var(--accent);padding:.9rem 1.25rem;margin:1.75rem 0;background:var(--accent-light);border-radius:0 12px 12px 0;font-style:normal;color:var(--primary-dark);font-weight:500;font-size:.97rem}.prose table{width:100%;border-collapse:collapse;margin:1.75rem 0;font-size:.9rem;border-radius:12px;box-shadow:var(--shadow-sm);overflow:hidden}.table-wrap{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.75rem 0;border-radius:12px;box-shadow:var(--shadow-sm)}.table-wrap .prose table{margin:0;box-shadow:none}.prose thead th{background:var(--primary-dark);color:#fff;padding:.75rem 1rem;text-align:left;font-weight:600;font-size:.82rem;letter-spacing:.03em;text-transform:uppercase;white-space:nowrap}.prose tbody tr{border-bottom:1px solid var(--neutral-200)}.prose tbody tr:last-child{border-bottom:none}.prose tbody tr:nth-child(2n){background:var(--neutral-100)}.prose tbody td{padding:.7rem 1rem;color:var(--neutral-700);font-size:.9rem;vertical-align:top}.prose hr{border:none;border-top:1px solid var(--neutral-200);margin:2.5rem 0}.prose code{background:var(--primary-light);color:var(--primary-dark);padding:.15em .4em;border-radius:5px;font-family:Courier New,monospace;font-size:.85em;font-weight:600;word-break:break-all}.prose pre{background:var(--primary-dark);color:#e2e8f0;padding:1.25rem;border-radius:14px;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.75rem 0;font-size:.88rem;line-height:1.7}.prose pre code{background:none;color:inherit;padding:0;font-size:inherit;word-break:normal}.callout{border-radius:14px;padding:1rem 1.25rem;margin:1.75rem 0;display:flex;gap:.85rem;align-items:flex-start}.callout-icon{font-size:1.25rem;flex-shrink:0;line-height:1.4;margin-top:.05rem}.callout-body{flex:1;min-width:0}.callout-title{font-weight:700;margin-bottom:.3rem;font-size:.95rem}.callout p{font-size:.95rem}.callout p:last-child{margin:0}.callout--tip{background:var(--primary-light);color:var(--primary-dark)}.callout--warn{background:#fef3c7;color:#92400e}.callout--good{background:#d1fae5;color:#065f46}.callout--calc{background:var(--accent-light);color:var(--primary-dark);border:1px solid rgba(201,122,18,.25)}.example-box{background:var(--neutral-100);border:1px solid var(--neutral-200);border-radius:14px;padding:1.25rem;margin:1.75rem 0;overflow-x:auto}.example-box .example-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--accent);margin-bottom:.65rem;display:block}.example-box p{font-size:.95rem;margin-bottom:.75rem}.example-box p:last-child{margin-bottom:0}.example-box table{font-size:.88rem;margin:.75rem 0 0}.key-takeaways{background:var(--gradient-primary);color:#fff;border-radius:18px;padding:1.5rem 1.75rem;margin:2rem 0}.key-takeaways h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.9rem;opacity:.75;color:#fff;font-weight:700}.key-takeaways ul{padding-left:1.1rem;margin:0}.key-takeaways li{margin-bottom:.55rem;color:#ffffffeb;font-size:.97rem;line-height:1.6}.key-takeaways li:last-child{margin-bottom:0}.key-takeaways li::marker{color:var(--accent-light)}.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem;font-size:.82rem;color:var(--neutral-500);margin-bottom:1.5rem;line-height:1.4}.breadcrumb a{color:var(--primary);text-decoration:none;font-weight:500;transition:color .2s ease}.breadcrumb a:hover{color:var(--accent)}.breadcrumb-sep{color:var(--neutral-300);user-select:none}.tag{display:inline-block;background:var(--primary-light);color:var(--primary-dark);font-size:.75rem;font-weight:600;padding:.22rem .7rem;border-radius:20px;text-decoration:none;transition:var(--transition);white-space:nowrap}.tag:hover{background:var(--accent-light)}.article-card{background:var(--white);border-radius:var(--card-radius);border:1px solid var(--neutral-200);box-shadow:var(--shadow-sm);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;text-decoration:none;color:inherit;display:flex;flex-direction:column;height:100%}.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary-light)}.article-card-thumb{aspect-ratio:16 / 9;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:2.5rem;overflow:hidden;flex-shrink:0}.article-card-thumb-icon svg{width:40px;height:40px}.article-card-thumb-icon{display:flex;align-items:center;justify-content:center;width:100%;height:100%}.article-card-thumb img{width:100%;height:100%;object-fit:cover;display:block}.article-card-body{padding:1.1rem 1.25rem 1.35rem;flex:1;display:flex;flex-direction:column}.article-card-cat{display:flex;align-items:center;gap:6px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--accent);margin-bottom:.5rem}.article-card-cat-icon{display:inline-flex;flex-shrink:0}.article-card-cat-icon svg{width:24px;height:24px}.article-card-title{font-size:1rem;font-weight:700;color:var(--primary-dark);line-height:1.35;margin-bottom:.5rem}.article-card-excerpt{font-size:.875rem;color:var(--neutral-700);line-height:1.6;flex:1;margin-bottom:.9rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.article-card-meta{font-size:.75rem;color:var(--neutral-500);display:flex;gap:.5rem;align-items:center;flex-wrap:wrap;margin-top:auto}.article-card-meta .dot{color:var(--neutral-300)}.article-card--featured .article-card-title{font-size:1.1rem}.article-card--horizontal{flex-direction:row}.article-card--horizontal .article-card-thumb{width:110px;aspect-ratio:auto;flex-shrink:0;font-size:1.75rem}.article-card--horizontal .article-card-thumb-icon svg{width:28px;height:28px}.article-card--horizontal .article-card-body{padding:.9rem 1rem}.article-card--horizontal .article-card-title{font-size:.92rem}.article-card--horizontal .article-card-excerpt{display:none}.articles-grid{display:grid;grid-template-columns:1fr;gap:20px}@media(min-width:540px){.articles-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:900px){.articles-grid{grid-template-columns:repeat(3,1fr);gap:24px}}.articles-grid--2col{grid-template-columns:1fr}@media(min-width:640px){.articles-grid--2col{grid-template-columns:repeat(2,1fr)}}.calc-cta-block{background:var(--gradient-primary);border-radius:20px;padding:1.5rem;margin:2rem 0;display:flex;flex-direction:column;gap:1rem;align-items:flex-start}@media(min-width:540px){.calc-cta-block{flex-direction:row;align-items:center;padding:1.5rem 2rem}}.calc-cta-icon{flex-shrink:0;line-height:1}.calc-cta-icon img{width:42px;height:42px;object-fit:contain;display:block}.calc-cta-icon svg{width:42px;height:42px;display:block;color:#fff;fill:#fff}.calc-cta-body{flex:1;min-width:0}.calc-cta-body h4{font-size:1rem;font-weight:700;color:#fff;margin-bottom:.25rem}.calc-cta-body p{font-size:.88rem;color:#ffffffd1;margin:0;line-height:1.5}.calc-cta-btn{background:var(--white);color:var(--primary-dark);padding:.7rem 1.5rem;border-radius:40px;font-weight:700;font-size:.9rem;text-decoration:none;transition:var(--transition);flex-shrink:0;white-space:nowrap;display:inline-flex;align-items:center;gap:.35rem;align-self:flex-start}@media(min-width:540px){.calc-cta-btn{align-self:auto}}.calc-cta-btn:hover{background:var(--accent-light);transform:scale(1.02)}.calc-cta-multi{background:var(--neutral-100);border:1px solid var(--neutral-200);border-radius:16px;padding:1.25rem;margin:1.75rem 0}.calc-cta-multi h4{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--neutral-500);margin-bottom:.9rem;font-weight:700}.calc-cta-multi-links{display:flex;flex-wrap:wrap;gap:.6rem}.calc-cta-mini-link{display:inline-flex;align-items:center;gap:.35rem;background:var(--white);border:2px solid var(--primary-light);color:var(--primary-dark);padding:.5rem 1rem;border-radius:40px;font-weight:600;font-size:.85rem;text-decoration:none;transition:var(--transition);white-space:nowrap}.calc-cta-mini-link:hover{border-color:var(--accent);color:var(--accent)}.calc-cta-mini-icon{width:18px;height:18px;object-fit:contain;flex-shrink:0}.calc-cta-mini-link svg{width:18px;height:18px;flex-shrink:0;color:var(--primary-dark);fill:var(--primary-dark)}.calc-cta-mini-link:hover svg{color:var(--accent);fill:var(--accent)}.toc{background:var(--neutral-100);border-left:3px solid var(--primary);border-radius:0 12px 12px 0;padding:1.25rem 1.25rem 1.25rem 1.5rem;margin:2rem 0}.toc-title{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--neutral-500);margin-bottom:.9rem}.toc ol{padding-left:1.2rem;margin:0}.toc li{margin-bottom:.35rem}.toc a{color:var(--neutral-700);text-decoration:none;font-size:.88rem;font-weight:500;transition:color .2s ease;line-height:1.45;display:block}.toc a:hover,.toc a.is-active{color:var(--primary)}.toc--inline{position:static}.author-bio{display:flex;flex-direction:column;gap:1rem;background:var(--neutral-100);border-radius:18px;padding:1.5rem;margin:2.5rem 0}@media(min-width:480px){.author-bio{flex-direction:row;align-items:flex-start;gap:1.25rem}}.author-bio-avatar{width:56px;height:56px;border-radius:50%;background:var(--primary-light);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.5rem;overflow:hidden}.author-bio-avatar img{width:100%;height:100%;object-fit:cover}.author-bio-name{font-weight:700;color:var(--primary-dark);font-size:.97rem;margin-bottom:.15rem}.author-bio-title{font-size:.8rem;color:var(--neutral-500);margin-bottom:.5rem}.author-bio-text{font-size:.88rem;color:var(--neutral-700);line-height:1.65;margin:0}.article-header{margin-bottom:2rem}.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .6rem;font-size:.82rem;color:var(--neutral-500);margin-bottom:1.25rem;line-height:1.4}.article-meta-author{font-weight:600;color:var(--neutral-700)}.article-meta-dot{color:var(--neutral-300)}.related-articles{margin:2.5rem 0 1.5rem}.related-articles h3{font-size:1.1rem;font-weight:700;color:var(--primary-dark);margin-bottom:1rem;padding-bottom:.65rem;border-bottom:2px solid var(--primary-light)}.related-list{display:grid;gap:.5rem}.related-item{display:flex;gap:.85rem;text-decoration:none;color:inherit;align-items:flex-start;padding:.65rem .75rem;border-radius:10px;transition:background .2s ease}.related-item:hover{background:var(--neutral-100)}.related-item-icon{width:38px;height:38px;background:var(--primary-light);border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}.related-item-icon svg{width:28px;height:28px}.related-item-title{font-size:.9rem;font-weight:600;color:var(--primary-dark);line-height:1.35;margin-bottom:.15rem}.related-item-meta{font-size:.75rem;color:var(--neutral-500)}.section-heading{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:1.25rem;gap:1rem;flex-wrap:wrap}.section-heading h2{font-size:clamp(1.25rem,3vw,1.6rem);font-weight:700;color:var(--primary-dark);margin:0}.section-heading a{font-size:.875rem;color:var(--primary);text-decoration:none;font-weight:600;white-space:nowrap;flex-shrink:0}.section-heading a:hover{color:var(--accent)}.cat-pill{display:inline-flex;align-items:center;gap:.35rem;background:var(--primary-light);color:var(--primary-dark);font-size:.72rem;font-weight:700;padding:.28rem .9rem;border-radius:40px;text-transform:uppercase;letter-spacing:.05em;text-decoration:none;transition:var(--transition)}.cat-pill:hover{background:var(--accent-light)}.cat-pill svg{width:24px;height:24px}.blog-cats-nav{padding:20px 0 28px;border-bottom:1px solid var(--neutral-100)}.blog-cats-nav-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;padding:0}.blog-cats-nav-link{display:flex;align-items:center;gap:8px;padding:8px 16px 8px 8px;border-radius:999px;border:1px solid var(--neutral-200);background:var(--white);text-decoration:none;font-size:14px;font-weight:500;color:var(--neutral-900);transition:var(--transition)}.blog-cats-nav-link:hover{border-color:var(--neutral-300);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.blog-cats-nav-icon{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}.blog-cats-nav-icon svg{width:16px;height:16px}.section-heading-icon svg{width:20px;height:20px;vertical-align:-3px;margin-right:4px}.newsletter-block{background:var(--primary-light);border-radius:24px;padding:2.25rem 1.5rem;text-align:center;margin:var(--section-gap) 0}@media(min-width:640px){.newsletter-block{padding:3rem 2.5rem}}.newsletter-block h2{font-size:clamp(1.35rem,3vw,1.9rem);font-weight:700;color:var(--primary-dark);margin-bottom:.65rem}.newsletter-block p{color:var(--neutral-700);font-size:.97rem;max-width:480px;margin:0 auto 1.75rem;line-height:1.65}.newsletter-form{display:flex;flex-direction:column;gap:.75rem;max-width:420px;margin:0 auto}@media(min-width:480px){.newsletter-form{flex-direction:row}}.newsletter-input{flex:1;padding:.85rem 1.1rem;border:2px solid var(--neutral-300);border-radius:40px;font-size:.97rem;background:var(--white);outline:none;transition:border-color .2s ease;min-width:0}.newsletter-input:focus{border-color:var(--primary)}.newsletter-btn{background:var(--gradient-primary);color:#fff;border:none;padding:.85rem 1.6rem;border-radius:40px;font-weight:700;font-size:.95rem;cursor:pointer;transition:var(--transition);white-space:nowrap;flex-shrink:0}.newsletter-btn:hover{opacity:.9}.newsletter-note{font-size:.78rem;color:var(--neutral-500);margin-top:.65rem}.faq-block{max-width:100%;width:100%;margin:0}.faq-item{background:var(--white);border:1px solid var(--neutral-200);border-radius:14px;margin-bottom:10px;box-shadow:var(--shadow-sm);overflow:hidden}.faq-item summary{display:flex;justify-content:space-between;align-items:center;padding:1.1rem 1.25rem;cursor:pointer;font-weight:600;font-size:.97rem;color:var(--primary-dark);list-style:none;gap:.75rem;user-select:none;line-height:1.4}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::marker{display:none}.faq-icon{flex-shrink:0;width:26px;height:26px;background:var(--primary-light);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;color:var(--primary);transition:var(--transition)}details[open] .faq-icon{background:var(--accent-light);color:var(--accent);transform:rotate(45deg)}.faq-answer{padding:0 1.25rem 1.1rem;color:var(--neutral-700);font-size:.94rem;line-height:1.7}.faq-answer a{color:var(--primary)}.article-hero{width:100%;height:220px;background:var(--primary-light);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:3rem;margin-bottom:2rem;overflow:hidden}@media(min-width:480px){.article-hero{height:280px;border-radius:18px}}@media(min-width:640px){.article-hero{height:360px;border-radius:24px}}@media(min-width:1024px){.article-hero{height:420px}}.article-hero img{width:100%;height:100%;display:block}.blog-search-form{display:flex;flex-direction:column;gap:.65rem;max-width:560px;margin:0 auto}@media(min-width:480px){.blog-search-form{flex-direction:row}}.blog-search-input{flex:1;padding:.9rem 1.25rem;border:2px solid rgba(255,255,255,.3);border-radius:40px;font-size:.97rem;outline:none;transition:border-color .2s ease;background:#ffffff1f;color:#fff;min-width:0}.blog-search-input::placeholder{color:#ffffff8c}.blog-search-input:focus,.blog-search-input:focus-visible{border-color:#ffffffb3;background:#ffffff2e;outline:none;border-radius:40px;box-shadow:0 0 0 3px #ffffff40}.blog-search-btn{background:var(--white);color:var(--primary-dark);border:none;padding:.9rem 1.75rem;border-radius:40px;font-weight:700;font-size:.95rem;cursor:pointer;transition:var(--transition);white-space:nowrap;flex-shrink:0}.blog-search-btn:hover{background:var(--accent-light)}.blog-search-form--light .blog-search-input{background:var(--white);color:var(--neutral-900);border-color:var(--neutral-300)}.blog-search-form--light .blog-search-input::placeholder{color:var(--neutral-500)}.blog-search-form--light .blog-search-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1e4a7a1a}.blog-search-form--light .blog-search-btn{background:var(--gradient-primary);color:#fff}.cat-hero{background:var(--gradient-primary);color:#fff;padding:48px 16px;text-align:center;margin-bottom:48px}@media(min-width:640px){.cat-hero{padding:60px 24px;margin-bottom:60px}}.cat-hero-icon{font-size:2.5rem;margin-bottom:.75rem}.cat-hero-icon svg{width:148px;height:148px;display:block;margin:0 auto}.cat-hero h1{font-size:clamp(1.75rem,5vw,2.8rem);font-weight:700;margin-bottom:.65rem;line-height:1.2}.cat-hero p{font-size:clamp(.95rem,2vw,1.15rem);opacity:.88;max-width:500px;margin:0 auto;line-height:1.65}.section-divider{height:1px;background:var(--neutral-100);margin:var(--section-gap) 0;border:none}.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:2.5rem;align-items:start;min-width:0}.article-layout>article,.article-layout>.article-sidebar{min-width:0}@media(min-width:1024px){.article-layout{grid-template-columns:1fr 280px;gap:3rem}}@media(min-width:1200px){.article-layout{grid-template-columns:1fr 300px}}.article-sidebar{position:static}@media(max-width:1023.98px){.article-sidebar #toc-desktop{display:none}}@media(min-width:1024px){.article-sidebar{position:sticky;top:calc(var(--header-h) + 16px)}}.sidebar-widget{background:var(--neutral-100);border-radius:16px;padding:1.25rem;margin-bottom:1.25rem}.sidebar-widget-title{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--neutral-500);margin-bottom:.9rem}.calc-widget-list{display:grid;gap:.5rem}.calc-widget-item{display:flex;align-items:center;gap:.65rem;background:var(--white);border-radius:10px;padding:.55rem .85rem;text-decoration:none;color:var(--neutral-700);font-size:.875rem;font-weight:500;transition:var(--transition);border:1px solid transparent}.calc-widget-item:hover{border-color:var(--primary-light);color:var(--primary-dark)}.calc-widget-item-icon{flex-shrink:0}.calc-widget-item-icon img{width:20px;height:20px;object-fit:contain;display:block}.calc-widget-item-icon svg{width:20px;height:20px;display:block;color:var(--neutral-700);fill:var(--neutral-700)}.pagination{display:flex;justify-content:center;gap:.4rem;margin:2.5rem 0;flex-wrap:wrap}.page-btn{min-width:40px;height:40px;border-radius:50%;border:2px solid var(--neutral-300);background:var(--white);color:var(--neutral-700);font-weight:600;font-size:.88rem;cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;text-decoration:none;padding:0 .5rem}.page-btn.is-active,.page-btn:hover{border-color:var(--primary);background:var(--primary);color:#fff}.page-btn--prev,.page-btn--next{border-radius:20px;padding:0 1rem}.section-divider{height:1px;background:var(--neutral-100);border:none;margin:var(--section-gap) 0}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}.tip-box{background:var(--primary-light);border-left:4px solid var(--primary);border-radius:0 12px 12px 0;padding:1rem 1.25rem;margin:1.75rem 0}.tip-box p{font-size:.95rem;color:var(--primary-dark);margin:0;line-height:1.6}.warning-box{background:#fef3c7;border-left:4px solid #D97706;border-radius:0 12px 12px 0;padding:1rem 1.25rem;margin:1.75rem 0}.warning-box p{font-size:.95rem;color:#92400e;margin:0;line-height:1.6}.pros-cons{background:#d1fae5;border-radius:12px;padding:.85rem 1.1rem;margin:0 0 1.75rem}.pros-cons p{font-size:.92rem;color:#065f46;margin:0;font-weight:600;line-height:1.55}.faq-box{background:var(--white);border:1px solid var(--neutral-200);border-radius:14px;padding:1.1rem 1.25rem;margin-bottom:12px;box-shadow:var(--shadow-sm)}.faq-box h3{font-size:.95rem;font-weight:600;color:var(--primary-dark);margin-bottom:.5rem}.faq-box p{font-size:.9rem;color:var(--neutral-700);line-height:1.65;margin:0}.toc ol{list-style:none;padding-left:0;counter-reset:toc-counter}.toc ol>li{counter-increment:toc-counter;display:flex;align-items:flex-start;gap:.65rem;margin-bottom:.5rem}.toc ol>li:before{content:counter(toc-counter);flex-shrink:0;width:22px;height:22px;margin-top:1px;border-radius:50%;background:var(--white);box-shadow:0 0 0 1px var(--neutral-200);color:var(--primary);font-weight:700;font-size:.76rem;display:flex;align-items:center;justify-content:center}.toc a{flex:1;min-width:0;padding:0;line-height:1.4}.article-layout>article{width:100%;max-width:100%;box-sizing:border-box}.article-layout .prose h2,.article-layout .prose h3,.article-layout .table-responsive,.article-layout .faq-block,.article-layout .key-takeaways,.article-layout .tip-box,.article-layout .warning-box,.article-layout .example-box{margin-left:0;margin-right:0;width:100%;box-sizing:border-box}@media(max-width:400px){.faq-item summary{padding:.95rem 1rem;font-size:.92rem}.faq-answer{padding:0 1rem .95rem;font-size:.88rem}.toc{padding:1rem 1rem 1rem 1.1rem}.toc ol>li{gap:.5rem}}.toc ol,.toc ol ol{padding-left:0;margin-left:0}.toc li,.toc li li{margin-left:0!important;padding-left:0!important}.toc ol ol{margin-top:.5rem}.toc ol ol>li:before{width:22px;height:22px}.table-responsive{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.75rem 0;border-radius:12px;box-shadow:var(--shadow-sm)}.table-responsive table{width:100%;table-layout:auto;border-collapse:collapse;margin:0;font-size:.9rem;min-width:320px}.table-responsive table:has(tr>:nth-child(2):last-child) th:first-child,.table-responsive table:has(tr>:nth-child(2):last-child) td:first-child{width:60%}.table-responsive table:has(tr>:nth-child(2):last-child) th:last-child,.table-responsive table:has(tr>:nth-child(2):last-child) td:last-child{width:40%}.table-responsive th,.table-responsive td{min-width:140px}.table-responsive th:last-child,.table-responsive td:last-child{text-align:left}.table-responsive thead th{background:var(--primary-dark);color:#fff;padding:.7rem .9rem;text-align:left;font-weight:600;font-size:.8rem;letter-spacing:.03em;white-space:nowrap}.table-responsive tbody tr{border-bottom:1px solid var(--neutral-200)}.table-responsive tbody tr:last-child{border-bottom:none}.table-responsive tbody tr:nth-child(2n){background:var(--neutral-100)}.table-responsive tbody td{padding:.65rem .9rem;color:var(--neutral-700);font-size:.88rem;white-space:normal}@media(max-width:400px){.tip-box,.warning-box,.example-box,.faq-box{padding:.85rem 1rem;border-radius:10px}.pros-cons{padding:.7rem .9rem}.key-takeaways{padding:1.25rem 1.4rem;border-radius:14px}}.share-buttons{display:flex;align-items:center;gap:.75rem;margin-top:1.25rem;flex-wrap:wrap}.share-buttons-label{font-size:.85rem;font-weight:600;color:var(--neutral-500, #6b7280);margin-right:.25rem}.share-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;background:transparent;border:none;cursor:pointer;filter:drop-shadow(0 1px 2px rgba(16,24,40,.12)) drop-shadow(0 3px 8px rgba(16,24,40,.1));transition:transform .18s ease,filter .18s ease}.share-btn:hover{transform:translateY(-3px) scale(1.08);filter:drop-shadow(0 2px 4px rgba(16,24,40,.16)) drop-shadow(0 6px 14px rgba(16,24,40,.16))}.share-btn--copy{color:var(--neutral-700, #374151)}.share-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:transparent;border:none;cursor:pointer;filter:drop-shadow(0 1px 2px rgba(16,24,40,.12)) drop-shadow(0 3px 8px rgba(16,24,40,.1));transition:transform .18s ease,filter .18s ease}.share-btn img{display:block;width:24px;height:24px}.calc-cta-viewall-link,.related-viewall-link,.sidebar-viewall-link{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem 1.1rem;border-radius:999px;background:var(--primary-50, #EFF6FF);color:var(--primary, #2563EB);font-size:.9rem;font-weight:600;text-decoration:none;border:1px solid var(--primary-100, #DBEAFE);transition:background .15s ease,border-color .15s ease,transform .1s ease;white-space:nowrap}.calc-cta-viewall-link:hover,.related-viewall-link:hover,.sidebar-viewall-link:hover{background:var(--primary, #2563EB);color:#fff;border-color:var(--primary, #2563EB);transform:translateY(-1px)}.calc-cta-viewall-link:active,.related-viewall-link:active,.sidebar-viewall-link:active{transform:translateY(0)}.sidebar-viewall-link{width:100%;justify-content:center;font-size:.85rem;padding:.5rem .9rem}