:root{--primary-color: #2c3e50;--secondary-color: #3498db;--background-color: #ecf0f1;--surface-color: #ffffff;--text-color: #34495e;--light-text-color: #7f8c8d;--border-color: #bdc3c7;--accent-color: #e74c3c;--font-family: "Inter", sans-serif;--header-height: 70px;--border-radius: 8px;--box-shadow: 0 4px 15px rgba(0, 0, 0, .08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font-family);background-color:var(--background-color);color:var(--text-color);line-height:1.7;padding-top:var(--header-height)}h1,h2,h3,h4,h5,h6{color:var(--primary-color);line-height:1.3;margin-bottom:1rem;font-weight:600}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}p{margin-bottom:1.25rem}a{color:var(--secondary-color);text-decoration:none;transition:color .3s ease}a:hover{color:var(--primary-color);text-decoration:underline}ul,ol{margin-bottom:1.25rem;padding-left:1.5rem}img{max-width:100%;height:auto;display:block}.container{max-width:1200px;margin:0 auto;padding:2rem 1.5rem}.main-content-grid{display:grid;grid-template-columns:1fr;gap:2rem}@media(min-width:992px){.main-content-grid{grid-template-columns:3fr 1fr}}.site-header{background-color:var(--surface-color);box-shadow:0 2px 5px #0000001a;position:fixed;top:0;left:0;width:100%;z-index:1000;height:var(--header-height)}.header-container{max-width:1200px;margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:center;height:100%}.site-title a{font-size:1.5rem;font-weight:700;color:var(--primary-color)}.site-title a:hover{text-decoration:none}.main-nav ul{list-style:none;display:flex;gap:1.5rem;margin:0;padding:0}.main-nav a{color:var(--text-color);font-weight:500;padding:.5rem 0;position:relative}.main-nav a:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--secondary-color);transition:width .3s ease}.main-nav a:hover:after,.main-nav .active a:after{width:100%}.hero{background:var(--primary-color);color:var(--surface-color);padding:3rem 1.5rem;text-align:center;border-radius:var(--border-radius);margin-bottom:2rem}.hero h1{color:var(--surface-color);font-size:2.8rem;margin-bottom:.5rem}.hero p{font-size:1.1rem;max-width:700px;margin-left:auto;margin-right:auto}.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}.article-card{background-color:var(--surface-color);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow);transition:transform .3s ease,box-shadow .3s ease;display:flex;flex-direction:column}.article-card:hover{transform:translateY(-5px);box-shadow:0 8px 20px #0000001f}.card-image{width:100%;aspect-ratio:16 / 9;object-fit:cover}.card-content{padding:1.5rem;flex-grow:1;display:flex;flex-direction:column}.card-content h3{font-size:1.25rem;margin-bottom:.75rem}.card-content h3 a:hover{text-decoration:none}.card-content p{font-size:.95rem;color:var(--light-text-color);flex-grow:1}.read-more-btn{display:inline-block;margin-top:1rem;font-weight:600;color:var(--secondary-color)}.read-more-btn:hover{text-decoration:underline}.sidebar .widget{background-color:var(--surface-color);padding:1.5rem;border-radius:var(--border-radius);margin-bottom:1.5rem;box-shadow:var(--box-shadow)}.widget-title{font-size:1.2rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:2px solid var(--border-color)}.widget ul{list-style:none;padding:0}.widget ul li{margin-bottom:.75rem}.widget ul a{color:var(--text-color)}.widget ul a:hover{color:var(--secondary-color)}.widget p{font-size:.9rem;color:var(--light-text-color)}.site-footer{background-color:var(--primary-color);color:var(--background-color);padding:3rem 1.5rem;text-align:center;margin-top:2rem}.footer-content p{margin-bottom:1rem}.footer-links{list-style:none;padding:0;display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap}.footer-links a{color:var(--background-color);opacity:.8}.footer-links a:hover{opacity:1;text-decoration:underline}.article-header{margin-bottom:2rem}.article-header h1{margin-bottom:.5rem}.article-meta{font-size:.9rem;color:var(--light-text-color);margin-bottom:1.5rem}.article-header-image{width:100%;height:auto;max-height:400px;object-fit:cover;border-radius:var(--border-radius);margin-bottom:2rem}.article-content{background:var(--surface-color);padding:2rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.article-content a{font-weight:600}.article-content blockquote{border-left:4px solid var(--secondary-color);padding-left:1rem;margin:1.5rem 0;font-style:italic;color:var(--light-text-color)}.cta-section{background-color:#e8f4fd;border-left:5px solid var(--secondary-color);padding:1.5rem;margin:2rem 0;border-radius:var(--border-radius)}.cta-section h3{color:var(--primary-color)}.page-header{text-align:center;padding:2rem 0;border-bottom:1px solid var(--border-color);margin-bottom:2rem}.page-content{background:var(--surface-color);padding:2rem;border-radius:var(--border-radius);box-shadow:var(--box-shadow);max-width:800px;margin:0 auto}.sitemap-list{list-style-type:none;padding-left:0}.sitemap-list ul{list-style-type:none;padding-left:2rem}.sitemap-list li{margin-bottom:.5rem}.back-to-top{position:fixed;bottom:20px;right:20px;background-color:var(--secondary-color);color:#fff;width:50px;height:50px;border-radius:50%;display:flex;justify-content:center;align-items:center;font-size:1.5rem;text-decoration:none;box-shadow:0 4px 10px #0003;transition:background-color .3s,transform .3s;z-index:999}.back-to-top:hover{background-color:var(--primary-color);transform:translateY(-3px);color:#fff}@media(max-width:768px){.main-nav{display:none}.header-container{justify-content:center}.hero h1{font-size:2.2rem}.container{padding:1.5rem 1rem}.article-content,.page-content{padding:1.5rem}h1{font-size:2rem}h2{font-size:1.75rem}}@media(max-width:480px){.articles-grid{grid-template-columns:1fr}.footer-links{flex-direction:column;gap:.5rem}}