:root{--text-dark: #1a1a1a;--text-medium: #4a4a4a;--text-light: #6a6a6a;--bg-light: #f8f9fa;--border-color: #e1e4e8;--accent: #2563eb;--accent-hover: #1d4ed8}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;line-height:1.6}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-dark);background:#fff}.container{max-width:900px;margin:0 auto;padding:0 20px}header{background:#fff;border-bottom:1px solid var(--border-color);padding:1rem 0;position:sticky;top:0;z-index:100}header .container{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700;color:var(--text-dark);text-decoration:none}nav ul{display:flex;list-style:none;gap:2rem}nav a{color:var(--text-medium);text-decoration:none;font-weight:500;transition:color .2s}nav a:hover,nav a.active{color:var(--accent)}.menu-toggle{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--text-dark)}main{padding:3rem 0;min-height:60vh}h1{font-size:2.5rem;line-height:1.2;margin-bottom:1.5rem;color:var(--text-dark);font-weight:700}h2{font-size:1.75rem;line-height:1.3;margin-top:2.5rem;margin-bottom:1rem;color:var(--text-dark);font-weight:600}h3{font-size:1.25rem;line-height:1.4;margin-top:1.5rem;margin-bottom:.75rem;color:var(--text-dark);font-weight:600}p{margin-bottom:1.25rem;color:var(--text-medium)}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}strong{font-weight:600;color:var(--text-dark)}ul,ol{margin-bottom:1.25rem;padding-left:2rem;color:var(--text-medium)}li{margin-bottom:.5rem}.breadcrumb{font-size:.875rem;color:var(--text-light);margin-bottom:1.5rem}.breadcrumb a{color:var(--text-light)}.breadcrumb a:hover{color:var(--accent)}.intro{font-size:1.125rem;color:var(--text-medium);margin-bottom:2rem;line-height:1.7}.article-list{display:grid;gap:2rem}.article-card{background:#fff;border:1px solid var(--border-color);border-radius:8px;overflow:hidden;transition:box-shadow .2s}.article-card:hover{box-shadow:0 4px 12px #00000014}.article-card-image{width:100%;height:200px;object-fit:cover;display:block}.article-card-content{padding:1.5rem}.article-card h2{margin-top:0;font-size:1.5rem}.article-card .excerpt{color:var(--text-medium);margin-bottom:1rem}.article-card .read-more{color:var(--accent);font-weight:500;display:inline-flex;align-items:center;gap:.25rem}.article-card .read-more:hover{color:var(--accent-hover)}article.full-article{max-width:800px;margin:0 auto}.article-meta{color:var(--text-light);font-size:.875rem;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.faq{background:var(--bg-light);padding:2rem;border-radius:8px;margin-top:3rem}.faq h2{margin-top:0}.faq-item{margin-bottom:1.5rem}.faq-item:last-child{margin-bottom:0}.faq-item h3{margin-top:0;font-size:1.125rem}.contact-form{max-width:600px}.form-group{margin-bottom:1.5rem}label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-dark)}input,textarea{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:4px;font-family:inherit;font-size:1rem;color:var(--text-dark)}input:focus,textarea:focus{outline:none;border-color:var(--accent)}textarea{resize:vertical;min-height:150px}button,.button{background:var(--accent);color:#fff;padding:.75rem 1.5rem;border:none;border-radius:4px;font-size:1rem;font-weight:500;cursor:pointer;transition:background .2s;display:inline-block}button:hover,.button:hover{background:var(--accent-hover);text-decoration:none}footer{background:#1a1a1a;color:#fff;padding:3rem 0 1.5rem;margin-top:4rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2.5rem;margin-bottom:2.5rem}.footer-section h3{color:#fff;font-size:1.125rem;margin-bottom:1rem;margin-top:0}.footer-section p{color:#b3b3b3;line-height:1.6;margin:0}.footer-links,.footer-contact{list-style:none;padding:0;margin:0}.footer-links li,.footer-contact li{margin-bottom:.75rem}.footer-links a{color:#b3b3b3;text-decoration:none;transition:color .2s}.footer-links a:hover{color:var(--accent)}.footer-contact li{color:#b3b3b3}.footer-bottom{border-top:1px solid #333;padding-top:1.5rem;text-align:center;color:gray;font-size:.875rem}.footer-bottom p{margin:0}@media (max-width: 768px){.menu-toggle{display:block}nav{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--border-color);padding:1rem}nav.active{display:block}nav ul{flex-direction:column;gap:1rem}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.125rem}.container{padding:0 16px}main{padding:2rem 0}}.hero{background:linear-gradient(135deg,#f8f9fa,#e9ecef);padding:5rem 0;text-align:center}.hero-content h1{font-size:3rem;line-height:1.2;margin-bottom:1.5rem}.hero-subtitle{font-size:1.25rem;color:var(--text-medium);max-width:700px;margin:0 auto 2.5rem;line-height:1.7}.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.button{display:inline-block;padding:.875rem 2rem;background:var(--accent);color:#fff;text-decoration:none;border-radius:6px;font-weight:500;transition:all .2s}.button:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 4px 12px #2563eb4d}.button-secondary{background:#fff;color:var(--accent);border:2px solid var(--accent)}.button-secondary:hover{background:var(--accent);color:#fff}.blog-intro{padding:4rem 0;background:linear-gradient(135deg,#f8f9fa,#fff);border-top:1px solid var(--border-color);border-bottom:1px solid var(--border-color)}.blog-intro-content{max-width:800px;margin:0 auto;text-align:center}.blog-intro-content h2{font-size:2rem;margin-bottom:1.5rem;color:var(--text-dark)}.blog-intro-content p{font-size:1.125rem;line-height:1.8;color:var(--text-medium);margin-bottom:1rem}.blog-intro-content p:last-child{margin-bottom:0}.stats-section{padding:4rem 0;background:#fff}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:3rem;text-align:center}.stat-number{font-size:3rem;font-weight:700;color:var(--accent);margin-bottom:.5rem}.stat-label{color:var(--text-medium);font-size:.95rem;line-height:1.5}.home-about{padding:5rem 0;background:var(--bg-light)}.section-header{text-align:center;max-width:700px;margin:0 auto 3rem}.section-header h2{margin-top:0;font-size:2.25rem}.section-header p{font-size:1.125rem;color:var(--text-medium)}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.feature-card{background:#fff;padding:2rem;border-radius:8px;border:1px solid var(--border-color)}.feature-card h3{margin-top:0;color:var(--accent);margin-bottom:1rem}.feature-card p{color:var(--text-medium);margin:0}.latest-articles{padding:5rem 0;background:#fff}.latest-articles .article-card h3{font-size:1.25rem;margin-top:0}.section-cta{text-align:center;margin-top:3rem}.cta-section{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-hover) 100%);color:#fff;padding:5rem 0;text-align:center}.cta-section h2{color:#fff;margin-top:0;font-size:2.25rem}.cta-section p{color:#ffffffe6;font-size:1.125rem;margin-bottom:2rem}.cta-section .button{background:#fff;color:var(--accent)}.cta-section .button:hover{background:var(--bg-light);color:var(--accent-hover)}@media (max-width: 768px){.hero-content h1{font-size:2rem}.hero-subtitle{font-size:1.125rem}.hero{padding:3rem 0}.stats-grid{gap:2rem}.stat-number{font-size:2.5rem}.home-about,.latest-articles,.cta-section{padding:3rem 0}.section-header h2,.cta-section h2{font-size:1.75rem}.features-grid{grid-template-columns:1fr}}.article-hero-image{width:100%;height:400px;object-fit:cover;border-radius:8px;margin:2rem 0}.table-of-contents{background:var(--bg-light);border-left:4px solid var(--accent);padding:1.5rem 2rem;margin:2rem 0;border-radius:4px}.table-of-contents h2{margin-top:0;font-size:1.25rem;margin-bottom:1rem}.table-of-contents ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.75rem}.table-of-contents li{margin-bottom:0;width:100%}.table-of-contents li:last-child{margin-bottom:0}.table-of-contents a{color:var(--text-dark);text-decoration:none;transition:color .2s;display:block}.table-of-contents a:hover{color:var(--accent)}.table-of-contents li.toc-subsection{margin-left:1.5rem;font-size:.95rem}@media (max-width: 768px){.article-hero-image{height:250px;margin:1.5rem 0}.table-of-contents{padding:1rem 1.5rem}}