* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #4a6fa5; 
            --secondary: #ff9f1c; 
            --accent: #2ec4b6; 
            --dark: #2d3047;
            --light: #f8f9fa;
            --gray: #6c757d;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --border-radius: 12px;
        }
        body {
            background-color: #f0f2f5;
            color: #333;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
        }
        .my-logo i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .my-logo:hover {
            color: var(--secondary);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--dark);
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            font-weight: 600;
            color: var(--dark);
            padding: 8px 0;
            position: relative;
        }
        nav a:hover {
            color: var(--primary);
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--secondary);
            transition: width 0.3s ease;
        }
        nav a:hover::after {
            width: 100%;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f8f9fa;
            border-bottom: 1px solid #dee2e6;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .main-grid {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 40px;
            padding: 40px 0;
            flex: 1;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            color: var(--dark);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--accent);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget h3 i {
            color: var(--secondary);
        }
        .search-form input {
            width: 100%;
            padding: 14px;
            border: 2px solid #e9ecef;
            border-radius: var(--border-radius);
            margin-bottom: 15px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-form input:focus {
            outline: none;
            border-color: var(--primary);
        }
        .rating-widget .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
            font-size: 2rem;
            color: #ffd700;
        }
        .rating-widget select, .rating-widget textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 2px solid #e9ecef;
            border-radius: var(--border-radius);
        }
        .content article {
            background: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        .article-meta {
            color: var(--gray);
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #eee;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed var(--accent);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--dark);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--gray);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9db;
            padding: 25px;
            border-left: 5px solid var(--secondary);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 25px 0;
        }
        .highlight p {
            margin-bottom: 0;
            font-style: italic;
        }
        .img-container {
            margin: 30px auto;
            text-align: center;
        }
        .img-container img {
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .img-container img:hover {
            transform: scale(1.02);
        }
        .caption {
            font-size: 0.9rem;
            color: var(--gray);
            margin-top: 10px;
            font-style: italic;
        }
        ul, ol {
            margin-left: 25px;
            margin-bottom: 20px;
        }
        li {
            margin-bottom: 8px;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 30px 0;
        }
        .link-list a {
            background: #e9f7fe;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 600;
        }
        .link-list a:hover {
            background: var(--secondary);
            color: white;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: linear-gradient(135deg, #f8f9fa, #e9ecef);
            padding: 20px;
            border-radius: var(--border-radius);
            text-align: center;
            border-top: 5px solid var(--accent);
        }
        .stat-card .number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 50px 0 20px;
            margin-top: 50px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: white;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
        }
        friend-link a {
            color: #adb5bd;
        }
        friend-link a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #495057;
            color: #adb5bd;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                order: -1;
            }
            h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            nav ul {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background: white;
                width: 100%;
                text-align: center;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
                transition: left 0.5s ease;
                gap: 0;
            }
            nav ul.show {
                left: 0;
            }
            nav li {
                margin: 10px 0;
            }
            .header-container {
                padding: 15px;
            }
            .content article {
                padding: 25px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .pulse {
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            animation: fadeIn 1s ease forwards;
        }
        @keyframes fadeIn {
            to { opacity: 1; transform: translateY(0); }
        }