* { margin: 0; padding: 0; box-sizing: border-box; } body {line-height: 1.6; color: #333; background-color: #f4f7f6; } #body-main { display: flex; flex-direction: column; min-height: 100vh; } main { flex: 1; } section { padding: 80px 10px; } .hero { text-align: center; background: #fff; } .hero h2 { font-size: 3rem; margin-bottom: 1rem; color: #2c3e50; } .hero p { font-size: 1.2rem; margin-bottom: 2rem; color: #666; max-width: 800px; margin-left: auto; margin-right: auto; } .btn { display: inline-block; background: #3498db; color: #fff; padding: 12px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; transition: background 0.3s; } .btn:hover { background: #2980b9; } .features { background-color: #f4f7f6; } .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 2rem; margin-top: 40px; } .feature-card { background: #fff; padding: 30px; border-radius: 8px; text-align: center; box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05); transition: transform 0.3s; } .feature-card:hover { transform: translateY(-5px); } .feature-card h4 { margin: 15px 0; color: #2c3e50; } .about { background: #fff; } .about-flex { display: flex; align-items: center; gap: 50px; flex-wrap: wrap; } .about-text { flex: 1; min-width: 300px; } .image-placeholder { background: #e0e0e0; height: 300px; display: flex; align-items: center; justify-content: center; border-radius: 10px; color: #888; font-weight: bold; } @media screen and (max-width: 768px) { .hero h2 { font-size: 2rem; } .about-flex { text-align: center; } } .about-image { flex: 1; min-width: 300px; display: flex; justify-content: center; align-items: center; } .responsive-img { max-width: 100%; height: auto; border-radius: 10px; box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1); } .icon-box { font-size: 2.5rem; color: #3498db; margin-bottom: 15px; } .icon-box i { background: rgba(52, 152, 219, 0.1); padding: 20px; border-radius: 50%; width: 80px; height: 80px; display: inline-flex; align-items: center; justify-content: center; }