:root{--primary-color:#2563eb;--secondary-color:#64748b;--accent-color:#f59e0b;--text-primary:#1e293b;--text-secondary:#64748b;--bg-primary:#ffffff;--bg-secondary:#f8fafc;--border-color:#e2e8f0;--shadow-sm:0 1px 2px 0 rgb(0 0 0 / 0.05);--shadow-md:0 4px 6px -1px rgb(0 0 0 / 0.1);--shadow-lg:0 10px 15px -3px rgb(0 0 0 / 0.1);--gradient-primary:linear-gradient(135deg, #667eea 0%, #764ba2 100%);--gradient-secondary:linear-gradient(135deg, #f093fb 0%, #f5576c 100%)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:var(--text-primary);background-color:var(--bg-primary)}.container{max-width:1200px;margin:0 auto;padding:0 20px}.navbar{background:var(--bg-primary);box-shadow:var(--shadow-sm);position:fixed;top:0;width:100%;z-index:1000;transition:all .3s ease}.nav-container{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;justify-content:space-between;align-items:center;height:70px}.nav-logo 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h1{font-size:2rem}.article-header .article-meta{flex-direction:column;gap:10px}.article-container{padding:30px 15px}.article-container h1{font-size:1.8rem}.article-container h2{font-size:1.5rem}.article-container h3{font-size:1.3rem}.article-container ol,.article-container ul{padding-left:1.5rem}}@media (max-width:480px){.container{padding:0 15px}.hero{padding:50px 0}.hero-content h1{font-size:1.8rem}.hero-content p{font-size:1rem}.search-section{padding:30px 0}.articles-section,.tools-section{padding:40px 0}.article-card,.tool-card{margin:0 10px;flex-direction:column;text-align:center;gap:15px;padding:15px}.tool-icon{font-size:2rem;width:auto}.tool-content h3{font-size:1rem}.tool-content p{font-size:.85rem}.social-platforms{align-items:center}.social-link{width:100%;justify-content:center;max-width:200px}.article-card{padding:20px}.article-title{font-size:1.1rem}.article-summary{font-size:.9rem}.lang-switch{padding:6px 12px;font-size:.8rem}.article-header h1{font-size:1.6rem}.article-container{padding:20px 10px}.article-container h1{font-size:1.5rem}.article-container h2{font-size:1.3rem}.article-container h3{font-size:1.1rem}.article-container ol,.article-container ul{padding-left:1rem}.article-container blockquote{padding:.75rem 1rem;margin:1rem 0}}html{scroll-behavior:smooth}