* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #1a365d;
            --secondary: #c53030;
            --accent: #ecc94b;
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #718096;
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.6;
        }
        .header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--dark) 100%);
            color: white;
            padding: 1rem 2rem;
            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;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: white;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        .logo:hover {
            color: white;
            transform: scale(1.02);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--primary);
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.2);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav .nav-link {
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 1rem 2rem;
            border-bottom: 1px solid #e2e8f0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .container {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 1.5rem;
        }
        h1 {
            color: var(--primary);
            font-size: 2.8rem;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            color: var(--gray);
            font-size: 0.95rem;
            display: flex;
            gap: 1.5rem;
            margin-bottom: 1rem;
        }
        .article-meta i {
            margin-right: 6px;
        }
        .featured-image {
            width: 100%;
            border-radius: 10px;
            margin: 2rem 0;
            box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.005);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
        }
        .content-section {
            margin-bottom: 3rem;
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 2rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #e2e8f0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        h3 {
            color: var(--primary);
            font-size: 1.6rem;
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(236, 201, 75, 0.15);
            border-left: 4px solid var(--accent);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .important {
            font-weight: 700;
            color: var(--secondary);
            font-size: 1.2rem;
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .tip-card {
            background: linear-gradient(to bottom right, #f7fafc, #edf2f7);
            padding: 1.5rem;
            border-radius: 10px;
            border-top: 4px solid var(--primary);
            transition: var(--transition);
        }
        .tip-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        .tip-card h4 {
            color: var(--primary);
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }
        .sidebar-widget h3 {
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid #e2e8f0;
        }
        .search-form {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .search-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-btn:hover {
            background-color: var(--secondary);
        }
        .rating-section, .comment-section {
            background-color: white;
            padding: 2rem;
            border-radius: 10px;
            margin-top: 2rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #e2e8f0;
        }
        .rating-stars .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars .star.active,
        .rating-stars .star:hover {
            color: #f6ad55;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.9rem;
            border: 2px solid #e2e8f0;
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
            margin: 0 auto;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(197, 48, 48, 0.3);
        }
        .footer-links {
            background-color: var(--dark);
            padding: 3rem 2rem;
            margin-top: 3rem;
        }
        .links-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        .web-link a {
            color: #cbd5e0;
            text-decoration: none;
            font-weight: 500;
            display: block;
        }
        .web-link a:hover {
            color: white;
            text-decoration: underline;
        }
        .footer {
            background-color: var(--primary);
            color: white;
            padding: 2rem;
            text-align: center;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .copyright {
            color: #a0aec0;
            font-size: 0.95rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 3px;
        }
        .text-center {
            text-align: center;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .mt-2 {
            margin-top: 2rem;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .container, .header-container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .main-content, .sidebar-widget, .rating-section, .comment-section {
                padding: 1.5rem;
            }
            .footer-links {
                padding: 2rem 1rem;
            }
        }