*{box-sizing:border-box;margin:0;padding:0}body{color:#333;background-color:#f5f5f5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{z-index:100;background-color:#fff;padding:1rem 0;position:sticky;top:0;box-shadow:0 2px 4px #0000001a}.header .container{justify-content:space-between;align-items:center;display:flex}.logo{color:#0070f3;font-size:1.5rem;font-weight:700;text-decoration:none}.nav ul{gap:2rem;list-style:none;display:flex}.nav a{color:#333;font-weight:500;text-decoration:none;transition:color .2s}.nav a:hover{color:#0070f3}.main{min-height:calc(100vh - 140px);padding:2rem 0}.footer{color:#fff;text-align:center;background-color:#333;margin-top:2rem;padding:1rem 0}.hero{text-align:center;color:#fff;background-color:#0070f3;border-radius:8px;margin-bottom:3rem;padding:4rem 0}.hero h2{margin-bottom:1rem;font-size:2.5rem}.hero p{opacity:.9;margin-bottom:2rem;font-size:1.2rem}.hero-buttons{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}.btn-primary,.btn-secondary{border-radius:4px;padding:.75rem 1.5rem;font-weight:500;text-decoration:none;transition:all .2s;display:inline-block}.btn-primary{color:#0070f3;background-color:#fff;border:2px solid #fff}.btn-primary:hover{color:#fff;background-color:#0000}.btn-secondary{color:#fff;background-color:#0000;border:2px solid #fff}.btn-secondary:hover{color:#0070f3;background-color:#fff}.features{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-bottom:3rem;display:grid}.feature-card{text-align:center;background-color:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 8px #0000001a}.feature-card h3{color:#0070f3;margin-bottom:1rem}.latest-content{margin-bottom:3rem}.latest-content h2{text-align:center;margin-bottom:2rem}.content-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;display:grid}.content-card{background-color:#fff;border-radius:8px;padding:2rem;transition:transform .2s;box-shadow:0 2px 8px #0000001a}.content-card:hover{transform:translateY(-5px)}.content-card h4{color:#333;margin-bottom:1rem}.content-card p{color:#666;margin-bottom:1rem}.content-card a{color:#0070f3;font-weight:500;text-decoration:none}.content-card a:hover{text-decoration:underline}.products-list{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem;display:grid}.product-card{background-color:#fff;border-radius:8px;transition:transform .2s;overflow:hidden;box-shadow:0 2px 8px #0000001a}.product-card:hover{transform:translateY(-5px)}.product-card img{object-fit:cover;width:100%;height:200px}.product-card-content{padding:1.5rem}.product-card h3{color:#333;margin-bottom:.5rem}.product-card-category{color:#0070f3;margin-bottom:1rem;font-size:.9rem}.comparison-list{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:2rem;display:grid}.comparison-card{background-color:#fff;border-radius:8px;padding:2rem;transition:transform .2s;box-shadow:0 2px 8px #0000001a}.comparison-card:hover{transform:translateY(-5px)}.comparison-title{color:#333;margin-bottom:1rem;font-size:1.2rem}.comparison-meta{color:#666;font-size:.9rem}.faq-list{max-width:800px;margin:0 auto}.faq-item{background-color:#fff;border-radius:8px;margin-bottom:1rem;overflow:hidden;box-shadow:0 2px 8px #0000001a}.faq-question{cursor:pointer;background-color:#f9f9f9;justify-content:space-between;align-items:center;padding:1.5rem;transition:background-color .2s;display:flex}.faq-question:hover{background-color:#f0f0f0}.faq-question h3{margin:0;font-size:1.1rem}.faq-answer{max-height:0;padding:0 1.5rem;transition:all .3s;overflow:hidden}.faq-answer.open{max-height:500px;padding:1.5rem}@media (max-width:768px){.nav ul{gap:1rem}.hero h2{font-size:2rem}.hero p{font-size:1rem}.features,.content-grid{grid-template-columns:1fr}}