:root{--primary-color: #007BFF;--primary-hover-color: #0056b3;--dark-color: #333;--secondary-color: #555;--light-color: #f4f4f4;--white-color: #fff;--border-color: #ddd;--body-font: "Roboto", sans-serif;--heading-font: "Poppins", sans-serif;--transition: all .3s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--body-font);line-height:1.6;color:var(--dark-color);background-color:var(--white-color)}h1,h2,h3,h4,h5,h6{font-family:var(--heading-font);font-weight:600;line-height:1.2;margin-bottom:1rem}a{color:var(--primary-color);text-decoration:none;transition:var(--transition)}a:hover{color:var(--primary-hover-color);text-decoration:underline}p{margin-bottom:1rem}ul{list-style:none}img{max-width:100%}.site-header{background:var(--white-color);box-shadow:0 2px 5px #0000001a;padding:1rem 0;position:sticky;top:0;z-index:1000}.header-container{max-width:1100px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center}.logo a{font-family:var(--heading-font);font-size:1.5rem;font-weight:700;color:var(--dark-color);text-decoration:none}.main-nav ul{display:flex;gap:2rem}.main-nav a{font-weight:500;font-size:1rem;color:var(--secondary-color);text-decoration:none;padding-bottom:5px;border-bottom:2px solid transparent}.main-nav a:hover,.main-nav a.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.container{max-width:1100px;margin:2rem auto;padding:0 20px;display:grid;grid-template-columns:1fr 300px;gap:2rem}.main-content{grid-column:1 / 2}.sidebar{grid-column:2 / 3}.hero h1{font-size:2.5rem;color:var(--dark-color)}.articles-section h2{font-size:2rem;margin-bottom:1.5rem;border-bottom:2px solid var(--light-color);padding-bottom:.5rem}.articles-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}.article-card{background:var(--white-color);border:1px solid var(--border-color);border-radius:8px;padding:1.5rem;transition:var(--transition);box-shadow:0 2px 8px #0000000d}.article-card:hover{transform:translateY(-5px);box-shadow:0 5px 15px #0000001a}.article-card h3{font-size:1.25rem;font-weight:600}.article-card .read-more{display:inline-block;margin-top:1rem;font-weight:600;text-decoration:none}.widget{background:var(--light-color);padding:1.5rem;border-radius:8px;margin-bottom:1.5rem}.widget h3{font-size:1.2rem;border-bottom:2px solid var(--border-color);padding-bottom:.5rem}.widget-list li{margin-bottom:.75rem}.widget-list a{color:var(--secondary-color);font-weight:500}.widget-list a:hover{color:var(--primary-color)}.widget.promotion{background:var(--primary-color);color:var(--white-color)}.widget.promotion a{color:var(--white-color);font-weight:700;text-decoration:underline}.site-footer{background:var(--dark-color);color:var(--light-color);padding:2rem 0;text-align:center}.footer-container{max-width:1100px;margin:0 auto;padding:0 20px}.footer-links{margin-bottom:1rem}.footer-links a{color:var(--white-color);margin:0 1rem}.footer-links a:hover{text-decoration:underline}.page-header,.article-header{margin-bottom:2rem}.page-header h1,.article-header h1{font-size:2.8rem}.article-header .meta{color:var(--secondary-color);font-style:italic}.article-content h2{font-size:1.8rem;margin-top:2rem}.article-content h3{font-size:1.4rem;margin-top:1.5rem}.article-content ul,.article-content ol{margin-left:20px;margin-bottom:1rem;list-style:initial}.article-content blockquote{border-left:4px solid var(--primary-color);margin:1.5rem 0;padding:.5rem 1.5rem;background:var(--light-color);font-style:italic}.cta-box{background:var(--light-color);border:2px solid var(--primary-color);border-radius:8px;padding:2rem;text-align:center;margin:2rem 0}.cta-box h3{margin-top:0}@media (max-width: 992px){.container{grid-template-columns:1fr}.main-content,.sidebar{grid-column:1 / 2}.sidebar{margin-top:2rem}}@media (max-width: 768px){.articles-grid{grid-template-columns:1fr}.header-container{flex-direction:column;gap:1rem}.page-header h1,.article-header h1{font-size:2.2rem}}@media (max-width: 500px){.main-nav ul{gap:1rem}.main-nav a{font-size:.9rem}}