:root {
            --primary-dark: #0c1b2a;
            --primary-blue: #1a3a5f;
            --accent-orange: #e67e22;
            --accent-steel: #7f8c8d;
            --light-bg: #ecf0f1;
            --text-light: #f5f7fa;
            --text-dark: #2c3e50;
            --border-radius: 8px;
            --transition-speed: 0.3s;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-dark);
            background-color: #f9fbfd;
            max-width: 100vw;
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue));
            color: var(--text-light);
            padding: 1.2rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(to right, #ff9a00, #ff2c00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
            transition: transform var(--transition-speed);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .nav-desktop {
            display: flex;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.6rem 1rem;
            border-radius: var(--border-radius);
            transition: all var(--transition-speed);
            position: relative;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--accent-orange);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            bottom: 0;
            left: 50%;
            background-color: var(--accent-orange);
            transition: all var(--transition-speed);
        }
        .nav-desktop a:hover::after {
            width: 80%;
            left: 10%;
        }
        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 992px) {
            .hamburger-btn {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background-color: var(--primary-dark);
            padding: 4rem 2rem 2rem;
            z-index: 999;
            transition: right 0.4s ease;
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
            overflow-y: auto;
        }
        .mobile-nav.active {
            right: 0;
        }
        .mobile-nav a {
            display: block;
            color: var(--text-light);
            text-decoration: none;
            padding: 1.2rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 1.2rem;
            transition: background-color var(--transition-speed);
        }
        .mobile-nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--accent-orange);
        }
        .close-menu {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            background: none;
            border: none;
            color: white;
            font-size: 2rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 1rem 2rem;
            font-size: 0.95rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--accent-steel);
            margin: 0 0.5rem;
        }
        .main-container {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 3rem;
            max-width: 1400px;
            margin: 2.5rem auto;
            padding: 0 2rem;
        }
        @media (max-width: 1100px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-header {
            border-bottom: 3px solid var(--accent-orange);
            padding-bottom: 1.8rem;
            margin-bottom: 2.5rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-dark);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: var(--accent-steel);
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }
        .meta-info i {
            margin-right: 0.5rem;
            color: var(--accent-orange);
        }
        h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px dashed #dfe6e9;
        }
        h3 {
            font-size: 1.6rem;
            color: #2c5282;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #4a5568;
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight-box {
            background: linear-gradient(to right, #fff9e6, #fff);
            border-left: 5px solid var(--accent-orange);
            padding: 1.8rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            box-shadow: 3px 3px 10px rgba(0,0,0,0.05);
        }
        .highlight-box p:last-child {
            margin-bottom: 0;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
            border: 1px solid #ddd;
            box-shadow: 0 6px 15px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .featured-image:hover {
            transform: scale(1.008);
        }
        .content-link {
            color: var(--primary-blue);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted transparent;
            transition: all var(--transition-speed);
        }
        .content-link:hover {
            color: var(--accent-orange);
            border-bottom: 2px dotted var(--accent-orange);
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.8rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: white;
            padding: 1.8rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--primary-dark);
            margin-bottom: 1.2rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid var(--accent-orange);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #ddd;
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            outline: none;
            transition: border-color var(--transition-speed);
        }
        .search-input:focus {
            border-color: var(--accent-orange);
        }
        .search-btn {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: background-color var(--transition-speed);
        }
        .search-btn:hover {
            background-color: var(--accent-orange);
        }
        .rating-form,
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            margin-bottom: 0.5rem;
        }
        .star-rating .star {
            transition: color var(--transition-speed), transform var(--transition-speed);
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffc107;
            transform: scale(1.2);
        }
        .form-input,
        .form-textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            font-family: inherit;
            transition: border-color var(--transition-speed);
        }
        .form-input:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--accent-orange);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, var(--primary-blue), var(--primary-dark));
            color: white;
            border: none;
            padding: 1.1rem;
            border-radius: var(--border-radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-speed);
        }
        .submit-btn:hover {
            background: linear-gradient(to right, var(--accent-orange), #d35400);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(230, 126, 34, 0.2);
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: var(--text-light);
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-section h3 {
            color: var(--text-light);
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid var(--accent-orange);
        }
        .footer-links a {
            display: block;
            color: #bdc3c7;
            text-decoration: none;
            margin-bottom: 0.8rem;
            transition: color var(--transition-speed);
        }
        .footer-links a:hover {
            color: var(--accent-orange);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        friend-link a {
            color: #bdc3c7;
            text-decoration: none;
            transition: color var(--transition-speed);
        }
        friend-link a:hover {
            color: var(--accent-orange);
            text-decoration: underline;
        }
        .copyright {
            text-align: center;
            padding-top: 2.5rem;
            margin-top: 2.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #95a5a6;
            font-size: 0.95rem;
        }
        .emoji {
            font-size: 1.3em;
            margin-right: 0.3rem;
        }
        .bold {
            font-weight: 800;
            color: var(--primary-dark);
        }
        .text-center {
            text-align: center;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }
        .last-updated {
            background-color: #e8f4fc;
            padding: 1rem;
            border-radius: var(--border-radius);
            font-style: italic;
            margin: 2rem 0;
            border-left: 4px solid #3498db;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .main-container,
            .breadcrumb,
            .site-header,
            .site-footer {
                padding-left: 1.2rem;
                padding-right: 1.2rem;
            }
            .article-content {
                padding: 1.8rem;
            }
        }