* {
            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;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #2c5aa0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .py-1 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .py-3 { padding-top: 3rem; padding-bottom: 3rem; }
        .my-1 { margin-top: 1rem; margin-bottom: 1rem; }
        .my-2 { margin-top: 2rem; margin-bottom: 2rem; }
        .my-3 { margin-top: 3rem; margin-bottom: 3rem; }
        .text-center { text-align: center; }
        .shadow { box-shadow: 0 4px 12px rgba(0,0,0,0.08); }
        .rounded { border-radius: 8px; }
        .hidden { display: none; }
        .show { display: block; }
        header {
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo a {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        .my-logo a i {
            margin-right: 10px;
            color: #ffd166;
        }
        .my-logo a:hover {
            color: #ffd166;
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 1.8rem;
        }
        nav ul li a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        nav ul li a:hover,
        nav ul li a.active {
            background-color: rgba(255,255,255,0.15);
            color: #ffd166;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #ced4da;
        }
        .breadcrumb a {
            color: #495057;
        }
        .breadcrumb a:hover {
            color: #1e3c72;
        }
        .breadcrumb span {
            color: #6c757d;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
        }
        aside {
            background: white;
            padding: 1.5rem;
            border-radius: 12px;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1 {
            font-size: 2.8rem;
            color: #1e3c72;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #ffd166;
            padding-bottom: 0.7rem;
        }
        h2 {
            font-size: 2rem;
            color: #2a5298;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e9ecef;
        }
        h3 {
            font-size: 1.5rem;
            color: #457b9d;
            margin-top: 2rem;
            margin-bottom: 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #6c757d;
            margin-top: 1.5rem;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        strong {
            color: #1e3c72;
            font-weight: 700;
        }
        em {
            color: #e63946;
            font-style: italic;
        }
        blockquote {
            border-left: 4px solid #2a5298;
            padding-left: 1.5rem;
            margin: 1.5rem 0;
            font-style: italic;
            color: #555;
            background-color: #f1f8ff;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.2rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .featured-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            border: 1px solid #ddd;
        }
        .search-box, .comment-form, .rating-form {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            border: 1px solid #dee2e6;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #495057;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ced4da;
            border-radius: 4px;
            font-family: inherit;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #2a5298;
            box-shadow: 0 0 0 3px rgba(42, 82, 152, 0.2);
        }
        button, .btn {
            background: linear-gradient(to right, #2a5298, #1e3c72);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 4px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(to right, #e63946, #d00000);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.15);
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 10px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffd166;
        }
        .widget {
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #eee;
        }
        .widget:last-child {
            border-bottom: none;
        }
        .widget-title {
            font-size: 1.3rem;
            color: #1e3c72;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffd166;
        }
        .related-links a {
            display: block;
            padding: 0.8rem;
            background: #f8f9fa;
            margin-bottom: 0.8rem;
            border-radius: 4px;
            border-left: 3px solid #2a5298;
        }
        .related-links a:hover {
            background: #e9ecef;
            border-left-color: #e63946;
        }
        footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-bottom: 2rem;
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .footer-section h3 {
            color: #ffd166;
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.5rem;
        }
        friend-link a {
            color: #a8dadc;
        }
        friend-link a:hover {
            color: #ffd166;
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            nav ul {
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
                display: none;
            }
            nav ul.show {
                display: flex;
            }
            nav ul li {
                margin: 0;
                margin-bottom: 0.5rem;
            }
            nav ul li a {
                display: block;
                padding: 0.8rem;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1rem;
                right: 20px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            article, aside {
                padding: 1.5rem;
            }
        }