:root {
            --primary-color: #c62828;
            --secondary-color: #1a237e;
            --accent-color: #ff9800;
            --dark-bg: #121212;
            --light-bg: #f5f5f5;
            --text-dark: #333;
            --text-light: #f0f0f0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 100%);
            color: var(--text-light);
            padding: 1rem 2rem;
            box-shadow: var(--shadow);
            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 a {
            color: var(--accent-color);
            font-size: 2rem;
            font-weight: 800;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: var(--transition);
        }
        .logo a:hover {
            color: #ffcc80;
            text-shadow: 0 0 10px rgba(255, 152, 0, 0.5);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: var(--primary-color);
            color: white;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #bbdefb;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-section {
            background: linear-gradient(to right, #1a237e, #283593);
            padding: 2.5rem;
            text-align: center;
            color: white;
        }
        .search-container {
            max-width: 800px;
            margin: 0 auto;
        }
        .search-section h2 {
            margin-bottom: 1.5rem;
            font-size: 2.2rem;
        }
        .search-form {
            display: flex;
            gap: 0;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
        }
        .search-input {
            flex-grow: 1;
            padding: 1.2rem 1.8rem;
            border: none;
            font-size: 1.1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 1.2rem 2.5rem;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #ffb74d;
        }
        .main-content {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            padding: 3rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .article-content h1 {
            color: var(--secondary-color);
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 1rem;
        }
        .article-content h2 {
            color: var(--primary-color);
            font-size: 2rem;
            margin: 2.5rem 0 1.2rem;
            padding-left: 0.8rem;
            border-left: 5px solid var(--accent-color);
        }
        .article-content h3 {
            color: var(--secondary-color);
            font-size: 1.6rem;
            margin: 2rem 0 1rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.15rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fff8e1;
            padding: 1.5rem;
            border-left: 4px solid var(--accent-color);
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .hero-image {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 2.5rem 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            transition: transform 0.5s ease;
        }
        .hero-image:hover {
            transform: scale(1.01);
        }
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .tip-card {
            background: #e3f2fd;
            padding: 1.8rem;
            border-radius: 10px;
            transition: var(--transition);
            border: 1px solid #bbdefb;
        }
        .tip-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow);
        }
        .tip-card h4 {
            color: var(--secondary-color);
            margin-bottom: 0.8rem;
            font-size: 1.3rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid #eee;
        }
        .rating-form .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
            direction: rtl;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2.2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: var(--accent-color);
        }
        .comment-form textarea,
        .rating-form input,
        .rating-form textarea {
            width: 100%;
            padding: 1rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .submit-btn:hover {
            background-color: var(--primary-color);
        }
        .footer-links {
            background-color: var(--dark-bg);
            padding: 3rem 2rem;
            margin-top: 4rem;
        }
        .links-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 1.2rem;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        .web-link a {
            color: #bbdefb;
            text-decoration: none;
            font-size: 1.1rem;
            display: block;
        }
        .web-link a:hover {
            color: var(--accent-color);
            text-decoration: underline;
        }
        .site-footer {
            background-color: #0d0d0d;
            color: #aaa;
            text-align: center;
            padding: 2.5rem 2rem;
            line-height: 1.8;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
        }
        .copyright {
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--secondary-color);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: var(--shadow);
            }
            .main-nav.active ul {
                display: flex;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .main-content,
            .article-content {
                padding: 1.5rem;
            }
            .article-content h1 {
                font-size: 2.2rem;
            }
            .search-form {
                flex-direction: column;
                border-radius: 12px;
            }
            .search-input,
            .search-button {
                width: 100%;
                border-radius: 0;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
        }
        @media print {
            .site-header, .search-section, .sidebar, .footer-links, .comment-form, .rating-form {
                display: none;
            }
            .main-content {
                grid-template-columns: 1fr;
            }
        }