* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #FF9C00; 
            --secondary-color: #1C75BC; 
            --dark-bg: #0F1423;
            --light-bg: #1A2238;
            --text-light: #F0F4F8;
            --text-gray: #B8C2CC;
            --accent-red: #E8626E;
            --accent-green: #4CAF7D;
            --border-radius: 8px;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            --max-width: 1200px;
        }
        body {
            background-color: var(--dark-bg);
            color: var(--text-light);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #ffb74d;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--light-bg);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--secondary-color);
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            background: linear-gradient(90deg, #FF9C00, #FFD166);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .desktop-nav a {
            color: var(--text-light);
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }
        .desktop-nav a:hover {
            text-decoration: none;
            color: var(--primary-color);
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: var(--text-light);
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background-color: var(--light-bg);
            padding: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav a {
            color: var(--text-light);
            display: block;
            padding: 10px;
            border-radius: var(--border-radius);
            background-color: rgba(255,255,255,0.05);
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 156, 0, 0.1);
            color: var(--primary-color);
        }
        .breadcrumb {
            background-color: rgba(255,255,255,0.03);
            padding: 12px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .breadcrumb a {
            color: var(--text-gray);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb i {
            margin: 0 8px;
            color: var(--text-gray);
            font-size: 0.8rem;
        }
        main {
            padding: 30px 0;
        }
        .article-header {
            margin-bottom: 40px;
            text-align: center;
            padding: 20px;
            background: linear-gradient(135deg, rgba(28, 117, 188, 0.1), rgba(255, 156, 0, 0.1));
            border-radius: var(--border-radius);
        }
        .article-header h1 {
            font-size: 2.8rem;
            margin-bottom: 15px;
            color: var(--primary-color);
            line-height: 1.2;
        }
        .article-header .meta {
            color: var(--text-gray);
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .content-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-layout {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            font-size: 1.05rem;
        }
        .article-content section {
            margin-bottom: 50px;
        }
        .article-content h2 {
            font-size: 2rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid rgba(28, 117, 188, 0.3);
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: var(--primary-color);
            margin: 30px 0 15px 0;
        }
        .article-content h4 {
            font-size: 1.3rem;
            color: var(--text-light);
            margin: 25px 0 12px 0;
            font-weight: 600;
        }
        .article-content p {
            margin-bottom: 20px;
            text-align: justify;
            color: var(--text-gray);
        }
        .article-content strong {
            color: var(--text-light);
            font-weight: 600;
        }
        .article-content em {
            color: #FFD166;
        }
        .highlight {
            background-color: rgba(255, 156, 0, 0.1);
            border-left: 4px solid var(--primary-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .hero-image {
            width: 100%;
            margin: 30px 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .hero-image img {
            width: 100%;
            height: auto;
            transition: transform 0.5s ease;
        }
        .hero-image:hover img {
            transform: scale(1.02);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-gray);
            margin-top: 8px;
            font-size: 0.9rem;
        }
        .sidebar {
            background-color: var(--light-bg);
            border-radius: var(--border-radius);
            padding: 25px;
            align-self: start;
            box-shadow: var(--shadow);
        }
        .sidebar h3 {
            color: var(--primary-color);
            margin-bottom: 20px;
            font-size: 1.4rem;
        }
        .search-box {
            margin-bottom: 30px;
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex-grow: 1;
            padding: 12px 15px;
            background-color: rgba(255,255,255,0.07);
            border: 1px solid rgba(255,255,255,0.1);
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            color: var(--text-light);
            outline: none;
        }
        .search-box button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background-color: #e68a00;
        }
        .rating-box, .comment-box {
            background-color: rgba(255,255,255,0.03);
            padding: 20px;
            border-radius: var(--border-radius);
            margin-bottom: 30px;
        }
        .rating-box h4, .comment-box h4 {
            margin-bottom: 15px;
            color: var(--text-light);
        }
        .star-rating {
            display: flex;
            gap: 5px;
            margin-bottom: 15px;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 1.8rem;
            color: #444;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #FFD700;
        }
        .form-group {
            margin-bottom: 15px;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px;
            background-color: rgba(255,255,255,0.07);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--border-radius);
            color: var(--text-light);
            outline: none;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            width: 100%;
        }
        .submit-btn:hover {
            background-color: #155a8a;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed rgba(255,255,255,0.1);
        }
        .link-list a {
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .link-list a:hover {
            color: var(--primary-color);
            gap: 15px;
        }
        .link-list i {
            color: var(--primary-color);
            font-size: 0.9rem;
        }
        footer {
            background-color: var(--light-bg);
            padding: 40px 0 20px;
            margin-top: 50px;
            border-top: 3px solid var(--primary-color);
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h4 {
            color: var(--primary-color);
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-gray);
        }
        .footer-links a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 156, 0, 0.1);
            padding: 15px;
            border-radius: var(--border-radius);
            margin-bottom: 15px;
            border: 1px solid rgba(255, 156, 0, 0.2);
        }
        friend-link a {
            color: var(--text-light);
            font-weight: 500;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        .text-center { text-align: center; }
        .mt-20 { margin-top: 20px; }
        .mb-20 { margin-bottom: 20px; }
        .last-updated {
            font-style: italic;
            color: var(--accent-green);
            background-color: rgba(76, 175, 125, 0.1);
            padding: 10px 15px;
            border-radius: var(--border-radius);
            display: inline-block;
            margin-top: 10px;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .header-container {
                padding: 15px;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .article-content h2 {
                font-size: 1.8rem;
            }
            .article-content h3 {
                font-size: 1.5rem;
            }
            .footer-content {
                flex-direction: column;
                gap: 30px;
            }
        }