* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
    html { scroll-behavior: smooth; }
    body { background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%); color: #333; line-height: 1.8; }
    h1 { font-size: 2.8rem; color: #2c3e50; margin-bottom: 1.5rem; border-left: 6px solid #3498db; padding-left: 1rem; }
    h2 { font-size: 2.2rem; color: #2980b9; margin: 2.5rem 0 1.2rem; padding-bottom: 0.5rem; border-bottom: 3px dashed #3498db; }
    h3 { font-size: 1.8rem; color: #16a085; margin: 2rem 0 1rem; }
    p { margin-bottom: 1.5rem; font-size: 1.1rem; text-align: justify; }
    b, strong { color: #e74c3c; font-weight: 700; }
    em { font-style: italic; color: #8e44ad; }
    a { color: #3498db; text-decoration: none; transition: color 0.3s; }
    a:hover { color: #e74c3c; text-decoration: underline; }
    .container { width: 90%; max-width: 1200px; margin: 0 auto; padding: 0 15px; }
    .section { padding: 3rem 0; border-bottom: 1px solid #ddd; }
    .content-wrapper { display: grid; grid-template-columns: 1fr 300px; gap: 3rem; }
    @media (max-width: 992px) { .content-wrapper { grid-template-columns: 1fr; } }
    header { background: linear-gradient(to right, #1a2980, #26d0ce); color: white; padding: 1rem 0; box-shadow: 0 4px 12px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000; }
    .header-container { display: flex; justify-content: space-between; align-items: center; }
    .logo a { font-size: 2.2rem; font-weight: 800; color: white; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); letter-spacing: 1px; }
    .logo span { color: #f1c40f; }
    nav ul { display: flex; list-style: none; }
    nav ul li { margin-left: 2rem; }
    nav ul li a { color: white; font-weight: 600; font-size: 1.1rem; padding: 0.5rem 0.8rem; border-radius: 4px; }
    nav ul li a:hover { background: rgba(255,255,255,0.2); text-decoration: none; }
    .hamburger { display: none; font-size: 1.8rem; cursor: pointer; }
    .breadcrumb { padding: 1rem 0; background: #ecf0f1; font-size: 0.95rem; }
    .breadcrumb a { color: #7f8c8d; }
    .breadcrumb a:hover { color: #3498db; }
    main { padding: 2rem 0; background: white; border-radius: 10px; box-shadow: 0 5px 25px rgba(0,0,0,0.05); margin-top: 1.5rem; }
    article { padding: 0 2rem; }
    .featured-img { width: 100%; height: auto; border-radius: 10px; margin: 2rem 0; box-shadow: 0 8px 20px rgba(0,0,0,0.15); border: 5px solid #3498db; }
    .highlight-box { background: linear-gradient(to right, #fff8e1, #ffecb3); border-left: 5px solid #ff9800; padding: 1.5rem; margin: 2rem 0; border-radius: 0 8px 8px 0; }
    .tips-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin: 2rem 0; }
    .tip-card { background: white; padding: 1.5rem; border-radius: 8px; box-shadow: 0 4px 10px rgba(0,0,0,0.08); border-top: 4px solid #2ecc71; transition: transform 0.3s; }
    .tip-card:hover { transform: translateY(-5px); }
    .tip-card i { color: #2ecc71; font-size: 2rem; margin-bottom: 1rem; }
    aside { padding: 1.5rem; background: #f8f9fa; border-radius: 10px; box-shadow: inset 0 0 10px rgba(0,0,0,0.05); }
    .sidebar-widget { margin-bottom: 2.5rem; }
    .sidebar-widget h3 { font-size: 1.5rem; color: #2c3e50; margin-bottom: 1rem; border-bottom: 2px solid #3498db; padding-bottom: 0.5rem; }
    .form-group { margin-bottom: 1.5rem; }
    .form-control { width: 100%; padding: 0.8rem 1rem; border: 2px solid #ddd; border-radius: 6px; font-size: 1rem; transition: border 0.3s; }
    .form-control:focus { border-color: #3498db; outline: none; }
    .btn { background: linear-gradient(to right, #3498db, #2980b9); color: white; padding: 0.8rem 1.8rem; border: none; border-radius: 6px; cursor: pointer; font-size: 1rem; font-weight: 600; transition: all 0.3s; }
    .btn:hover { background: linear-gradient(to right, #2980b9, #1c5a7a); transform: scale(1.03); }
    .rating { display: flex; gap: 0.5rem; margin: 1rem 0; }
    .star { font-size: 1.8rem; color: #ddd; cursor: pointer; transition: color 0.2s; }
    .star:hover, .star.active { color: #f1c40f; }
    .web-links { display: flex; flex-wrap: wrap; gap: 1.5rem; justify-content: center; padding: 2.5rem 0; background: #2c3e50; }
    .web-link { background: #34495e; padding: 0.8rem 1.5rem; border-radius: 30px; }
    .web-link a { color: #ecf0f1; }
    .web-link:hover { background: #3498db; }
    footer { background: #1a252f; color: #bdc3c7; text-align: center; padding: 2rem 0; }
    .copyright { margin-top: 1rem; font-size: 0.9rem; }
    @media (max-width: 768px) {
        h1 { font-size: 2.2rem; }
        h2 { font-size: 1.8rem; }
        h3 { font-size: 1.5rem; }
        .header-container { flex-direction: column; align-items: flex-start; }
        nav { width: 100%; margin-top: 1rem; display: none; }
        nav.active { display: block; }
        nav ul { flex-direction: column; }
        nav ul li { margin: 0.5rem 0; }
        .hamburger { display: block; align-self: flex-end; margin-top: -2.5rem; }
        .content-wrapper { gap: 2rem; }
        article { padding: 0 1rem; }
        .tips-grid { grid-template-columns: 1fr; }
    }