:root{--primary-color:#4a6bff;--secondary-color:#ff6b6b;--tertiary-color:#3b56cd;--background-color:#fff;--text-color:#333;--light-gray:#f5f5f5;--gray:#6c757d;--dark-gray:#4b5563;--border-color:#ccc;--white:#fff;--black:#000;--hover-primary-color:#4665f2;--gradient-end-color:#eaf0ff;--footer-bg-color:#f8f9fa;--coin-gold:gold;--coin-orange:orange;--semi-transparent-white:#fff3;--disabled-color:#9ca3af;--disabled-text-color:#6b7280;--article-meta-color:#6c6c6c;--spinner-accent-color:#4a6bff4d;--shadow-color:#0000001a;--text-shadow-color:#00000040;--focus-shadow-color:#4a6bff33;--hover-shadow-color:#00000026;--active-shadow-color:#0000001a;--border-radius:14px;--rounded-border-radius:20px;--box-shadow:0 4px 6px var(--shadow-color);--container-max-width:800px;--footer-background:#f8f9fa;--footer-heading-color:#2c3e50;--footer-link-color:#4a5568;--footer-link-hover-color:#2b6cb0;--footer-text-color:#718096;--footer-border-color:#e2e8f0}.content-section{margin:0 auto;max-width:1200px;padding:2rem}.about-section{margin-bottom:3rem;text-align:center}.about-section h2{color:var(--primary-color);margin-bottom:1.5rem}.tool-categories{display:grid;gap:2rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));margin-top:1.5rem}.category{background:var(--footer-bg-color);border-radius:10px;padding:1.5rem}.category h3{color:var(--primary-color);margin-bottom:1rem}.features-list{list-style:none;padding:0}.features-list li{font-size:1.1rem;padding:.5rem 0}.social-links{display:flex;gap:1rem;justify-content:center;margin-top:1rem}.social-link{align-items:center;background-color:var(--primary-color);border-radius:.5rem;color:#fff;display:flex;gap:.5rem;padding:.75rem 1.25rem;text-decoration:none;transition:background-color .2s ease}.social-link:hover{background-color:var(--primary-color-dark)}.social-link svg{height:1.5rem;width:1.5rem}@media (max-width:768px){.content-section{padding:1rem}.tool-categories{grid-template-columns:1fr}.social-links{align-items:center;flex-direction:column}}