* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #2a4365; 
            --secondary: #d69e2e; 
            --accent: #c53030; 
            --light: #f7fafc;
            --dark: #1a202c;
            --gray: #718096;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--primary);
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
        }
        .my-logo:hover {
            color: var(--secondary);
        }
        .search-box {
            display: flex;
            width: 300px;
        }
        .search-box input {
            flex-grow: 1;
            padding: 10px 15px;
            border: none;
            border-radius: 4px 0 0 4px;
            font-size: 0.95rem;
        }
        .search-box button {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: var(--accent);
        }
        nav {
            background-color: rgba(255, 255, 255, 0.05);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
        }
        .main-nav {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            position: relative;
        }
        .main-nav a {
            color: white;
            padding: 15px 20px;
            display: block;
            font-weight: 500;
        }
        .main-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
            padding: 10px;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #edf2f7;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb span {
            margin: 0 5px;
        }
        main {
            flex-grow: 1;
            padding: 30px 0;
        }
        .article-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .article-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: white;
            border-radius: 8px;
            padding: 40px;
            box-shadow: var(--shadow);
        }
        article h1 {
            color: var(--primary);
            font-size: 2.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
            border-bottom: 3px solid var(--secondary);
            padding-bottom: 15px;
        }
        .article-meta {
            color: var(--gray);
            margin-bottom: 30px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.9rem;
        }
        article h2 {
            color: var(--primary);
            font-size: 1.8rem;
            margin: 35px 0 15px;
            padding-bottom: 8px;
            border-bottom: 1px dashed #e2e8f0;
        }
        article h3 {
            color: var(--dark);
            font-size: 1.4rem;
            margin: 25px 0 10px;
        }
        article h4 {
            color: var(--dark);
            font-size: 1.1rem;
            margin: 20px 0 10px;
        }
        article p {
            margin-bottom: 18px;
            text-align: justify;
        }
        article strong {
            color: var(--primary);
            font-weight: 700;
        }
        article em {
            color: var(--accent);
            font-style: italic;
        }
        .featured-img {
            margin: 30px 0;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.1);
        }
        .featured-img figcaption {
            padding: 10px;
            background-color: #f1f5f9;
            color: var(--gray);
            font-size: 0.9rem;
            text-align: center;
        }
        .insight-box {
            background-color: #f0fff4;
            border-left: 4px solid #38a169;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .insight-box h4 {
            color: #2f855a;
            margin-top: 0;
        }
        .link-list {
            background-color: #ebf8ff;
            padding: 20px;
            border-radius: 8px;
            margin: 25px 0;
        }
        .link-list h3 {
            margin-top: 0;
            color: #2b6cb0;
        }
        .link-list ul {
            list-style: none;
            columns: 2;
        }
        .link-list li {
            margin-bottom: 8px;
        }
        @media (max-width: 576px) {
            .link-list ul {
                columns: 1;
            }
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .sidebar-widget {
            background-color: white;
            border-radius: 8px;
            padding: 25px;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary);
        }
        .rating-form label,
        .comment-form label {
            display: block;
            margin-bottom: 5px;
            font-weight: 600;
            color: var(--dark);
        }
        .rating-form input,
        .rating-form select,
        .comment-form input,
        .comment-form textarea {
            width: 100%;
            padding: 10px;
            margin-bottom: 15px;
            border: 1px solid #cbd5e0;
            border-radius: 4px;
            font-size: 1rem;
        }
        .rating-stars {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            font-size: 1.5rem;
            color: #e2e8f0;
        }
        .rating-stars .active {
            color: #f6ad55;
        }
        .btn {
            background-color: var(--secondary);
            color: white;
            border: none;
            padding: 12px 24px;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
            text-align: center;
        }
        .btn:hover {
            background-color: var(--accent);
            color: white;
        }
        .btn-block {
            display: block;
            width: 100%;
        }
        footer {
            background-color: var(--dark);
            color: #cbd5e0;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section h4 {
            color: white;
            font-size: 1.2rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--gray);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #a0aec0;
        }
        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: 6px;
            margin-bottom: 10px;
            border-left: 3px solid var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #4a5568;
            font-size: 0.9rem;
            color: #a0aec0;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 15px;
            }
            .search-box {
                width: 100%;
            }
            .hamburger {
                display: block;
                position: absolute;
                right: 0;
                top: -50px;
            }
            .main-nav {
                display: none;
                flex-direction: column;
                width: 100%;
                position: absolute;
                top: 100%;
                left: 0;
                background-color: var(--primary);
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
            }
            .main-nav.active {
                display: flex;
            }
            .main-nav a {
                padding: 15px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            article {
                padding: 25px;
            }
            article h1 {
                font-size: 2rem;
            }
            .article-meta {
                flex-direction: column;
            }
        }