* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: #0a58ca;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #084298;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            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 {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            font-size: 2rem;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        nav a {
            color: #e0e0e0;
            font-weight: 500;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        nav a:hover, nav a.active {
            color: white;
            background-color: rgba(255, 255, 255, 0.15);
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #495057;
        }
        .breadcrumb a:hover {
            color: #0a58ca;
        }
        .search-bar {
            background-color: #fff;
            padding: 1.5rem 0;
            border-bottom: 1px solid #dee2e6;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.5rem;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background: linear-gradient(to right, #1e3c72, #2a5298);
            color: white;
            border: none;
            padding: 0 1.8rem;
            cursor: pointer;
            font-size: 1rem;
            transition: opacity 0.3s;
        }
        .search-form button:hover {
            opacity: 0.9;
        }
        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;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.05);
        }
        .article-header {
            margin-bottom: 2rem;
            border-bottom: 2px solid #f0f0f0;
            padding-bottom: 1.5rem;
        }
        h1 {
            font-size: 2.5rem;
            color: #1e3c72;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .article-meta {
            color: #6c757d;
            font-size: 0.95rem;
            display: flex;
            gap: 1rem;
            align-items: center;
        }
        .article-meta i {
            margin-right: 5px;
        }
        .article-content h2 {
            font-size: 1.8rem;
            color: #2a5298;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #eaeaea;
        }
        .article-content h3 {
            font-size: 1.4rem;
            color: #3a6bc9;
            margin: 1.8rem 0 0.8rem;
        }
        .article-content p {
            margin-bottom: 1.2rem;
            font-size: 1.05rem;
            text-align: justify;
        }
        .highlight {
            background-color: #fffacd;
            padding: 1.5rem;
            border-left: 5px solid #ffc107;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .feature-img {
            width: 100%;
            margin: 2rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        .feature-img figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            padding: 0.8rem;
            background-color: #f9f9f9;
        }
        .link-list {
            background: #f1f8ff;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .link-list h3 {
            margin-top: 0;
        }
        .link-list ul {
            list-style-position: inside;
            color: #1e3c72;
        }
        .link-list li {
            margin-bottom: 0.5rem;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        .sidebar-widget h3 {
            color: #1e3c72;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #f0f0f0;
        }
        .schedule-table {
            width: 100%;
            border-collapse: collapse;
        }
        .schedule-table th, .schedule-table td {
            border: 1px solid #ddd;
            padding: 0.75rem;
            text-align: left;
        }
        .schedule-table th {
            background-color: #f2f6fc;
            color: #1e3c72;
        }
        .schedule-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        .schedule-table tr:hover {
            background-color: #eef5ff;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ffc107;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            height: 120px;
            padding: 1rem;
            border: 1px solid #ced4da;
            border-radius: 8px;
            resize: vertical;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .comment-form button {
            background: linear-gradient(to right, #1e3c72, #2a5298);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: opacity 0.3s;
        }
        .comment-form button:hover {
            opacity: 0.9;
        }
        footer {
            background-color: #212529;
            color: #adb5bd;
            padding: 3rem 0 1.5rem;
            margin-top: 2rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .footer-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .footer-container {
                grid-template-columns: 1fr;
            }
        }
        .footer-col h4 {
            color: #f8f9fa;
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 0.8rem;
        }
        .footer-col a {
            color: #adb5bd;
        }
        .footer-col a:hover {
            color: white;
        }
        friend-link {
            display: block;
            background: #2c3034;
            padding: 1rem;
            border-radius: 6px;
            margin-top: 1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #495057;
            font-size: 0.9rem;
            color: #6c757d;
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #1e3c72;
                padding: 1rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
                box-shadow: 0 4px 6px rgba(0,0,0,0.1);
            }
            nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            nav ul {
                flex-direction: column;
                gap: 0;
            }
            nav li {
                width: 100%;
            }
            nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            h1 {
                font-size: 2rem;
            }
            article {
                padding: 1.5rem;
            }
        }