* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f8f9fa;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        h1, h2, h3, h4 {
            font-family: 'Arial Black', Gadget, sans-serif;
            color: #1a237e;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            margin-top: 1.5rem;
            border-bottom: 4px solid #ff9800;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 2.5rem;
            color: #283593;
            border-left: 5px solid #ff9800;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2rem;
            color: #3949ab;
        }
        h4 {
            font-size: 1.4rem;
            margin-top: 1.5rem;
            color: #5c6bc0;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        a {
            color: #1a237e;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #ff9800;
        }
        strong {
            color: #d32f2f;
            font-weight: 700;
        }
        em {
            color: #388e3c;
        }
        blockquote {
            border-left: 4px solid #ff9800;
            padding-left: 20px;
            margin: 2rem 0;
            font-style: italic;
            background-color: #e8eaf6;
            padding: 20px;
            border-radius: 0 10px 10px 0;
        }
        header {
            background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
            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 {
            color: white;
            font-size: 2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .logo i {
            color: #ff9800;
            margin-right: 10px;
            font-size: 2.2rem;
        }
        .logo a:hover {
            color: #ff9800;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            margin-left: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
            display: block;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffcc80;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 12px 20px;
            border-radius: 8px;
            margin: 1rem 0;
        }
        .breadcrumb ul {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            margin-right: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: #666;
        }
        .breadcrumb a {
            color: #3949ab;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .search-bar {
            margin: 2rem 0;
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .search-bar form {
            display: flex;
            max-width: 700px;
            margin: 0 auto;
        }
        .search-bar input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid #3949ab;
            border-radius: 8px 0 0 8px;
            font-size: 1.1rem;
            outline: none;
        }
        .search-bar button {
            background-color: #3949ab;
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .search-bar button:hover {
            background-color: #1a237e;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 2rem 0;
        }
        .article-content {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.06);
        }
        .intro {
            font-size: 1.2rem;
            color: #555;
            background: #f1f8e9;
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 2rem;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            border: 5px solid #ff9800;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        }
        .tip-box {
            background: #e3f2fd;
            border-left: 5px solid #2196f3;
            padding: 20px;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .highlight {
            background: linear-gradient(120deg, #ffecb3 0%, #ffecb3 100%);
            padding: 20px;
            border-radius: 10px;
            margin: 2rem 0;
        }
        sidebar {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .widget {
            background: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget h3 {
            color: #1a237e;
            margin-top: 0;
            border-bottom: 2px solid #ff9800;
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            margin: 10px 0;
        }
        .stars i:hover,
        .stars i.active {
            color: #ff9800;
        }
        .rating-widget button {
            background-color: #4caf50;
            color: white;
            border: none;
            padding: 12px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .rating-widget button:hover {
            background-color: #388e3c;
        }
        .comment-widget textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #ccc;
            border-radius: 8px;
            margin-bottom: 15px;
            font-family: inherit;
            resize: vertical;
            min-height: 150px;
        }
        .comment-widget button {
            background-color: #ff9800;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .comment-widget button:hover {
            background-color: #f57c00;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin: 3rem 0;
        }
        .web-link {
            background: #e8eaf6;
            padding: 20px;
            border-radius: 8px;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .web-link a {
            font-weight: bold;
            display: block;
            color: #283593;
        }
        footer {
            background: linear-gradient(135deg, #1a237e 0%, #0d153a 100%);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.2);
            width: 100%;
            color: #bbdefb;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .web-links {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 10px;
            }
            .main-nav li {
                margin: 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
        }