:root {
            --primary: #0a3d62;
            --secondary: #e55039;
            --accent: #f6b93b;
            --light: #f7f1e3;
            --dark: #1e272e;
            --text: #2c3a47;
            --gray: #808e9b;
            --success: #78e08f;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --radius: 12px;
            --transition: all 0.3s ease;
            font-size: 16px;
        }
        * {
            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: var(--text);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul, ol {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary) 0%, #1a5276 100%);
            color: white;
            padding: 1.2rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--accent);
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo a i {
            font-size: 2.5rem;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--radius);
            position: relative;
        }
        .nav-desktop a:hover {
            background-color: rgba(255,255,255,0.15);
            transform: translateY(-2px);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 10%;
            width: 80%;
            height: 3px;
            background-color: var(--accent);
            border-radius: 2px;
            transform: scaleX(0);
            transition: var(--transition);
        }
        .nav-desktop a:hover::after {
            transform: scaleX(1);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background-color: var(--primary);
            padding: 100px 30px 30px;
            transition: var(--transition);
            z-index: 999;
            box-shadow: -5px 0 15px rgba(0,0,0,0.2);
            overflow-y: auto;
        }
        .nav-mobile.active {
            right: 0;
        }
        .nav-mobile a {
            display: block;
            padding: 15px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            font-size: 1.2rem;
            font-weight: 600;
        }
        .nav-mobile a:hover {
            background-color: rgba(255,255,255,0.1);
            padding-left: 25px;
        }
        .close-menu {
            position: absolute;
            top: 30px;
            right: 30px;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.7);
            z-index: 998;
        }
        .overlay.active {
            display: block;
        }
        .breadcrumb {
            background-color: var(--light);
            padding: 1rem 0;
            font-size: 0.95rem;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 2rem 0;
        }
        @media (max-width: 768px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            border-radius: var(--radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 2px solid var(--light);
            color: var(--gray);
            font-size: 0.95rem;
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-image {
            width: 100%;
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 2.5rem;
            border: 5px solid var(--accent);
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.7rem;
            border-bottom: 3px solid var(--accent);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(245, 176, 65, 0.2);
            border-left: 5px solid var(--accent);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .code-box {
            background-color: var(--dark);
            color: var(--light);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            font-family: monospace;
            overflow-x: auto;
        }
        .code-box code {
            color: var(--success);
            font-size: 1.1rem;
        }
        .important-note {
            background-color: rgba(229, 80, 57, 0.1);
            border: 2px solid var(--secondary);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .important-note h4 {
            color: var(--secondary);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .table-container {
            overflow-x: auto;
            margin: 2.5rem 0;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        th, td {
            padding: 1.2rem 1rem;
            text-align: left;
            border-bottom: 1px solid #ddd;
        }
        th {
            background-color: var(--primary);
            color: white;
            font-weight: 600;
        }
        tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        tr:hover {
            background-color: #f1f1f1;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background: white;
            border-radius: var(--radius);
            padding: 1.8rem;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            margin-top: 0;
            font-size: 1.5rem;
            color: var(--primary);
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--accent);
            margin-bottom: 1.5rem;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid var(--primary);
            border-right: none;
            border-radius: var(--radius) 0 0 var(--radius);
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: var(--secondary);
        }
        .latest-codes ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .latest-codes li {
            padding: 12px 15px;
            background-color: var(--light);
            border-radius: var(--radius);
            border-left: 4px solid var(--success);
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .copy-btn {
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 5px;
            padding: 5px 10px;
            cursor: pointer;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .copy-btn:hover {
            background: var(--secondary);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: var(--gray);
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars .active {
            color: var(--accent);
        }
        .rating-result {
            font-weight: bold;
            margin-top: 1rem;
            color: var(--primary);
        }
        .comments-section {
            margin-top: 4rem;
            background: white;
            border-radius: var(--radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-bottom: 3rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-weight: 600;
            color: var(--primary);
        }
        .form-control {
            padding: 1rem;
            border: 2px solid #ddd;
            border-radius: var(--radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            outline: none;
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--radius);
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .submit-btn:hover {
            background-color: var(--secondary);
            transform: translateY(-3px);
        }
        .comment-list {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .comment-item {
            padding: 1.5rem;
            border-radius: var(--radius);
            background-color: #f9f9f9;
            border-left: 5px solid var(--primary);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1rem;
            flex-wrap: wrap;
            gap: 10px;
        }
        .comment-author {
            font-weight: 700;
            color: var(--primary);
        }
        .comment-date {
            color: var(--gray);
            font-size: 0.9rem;
        }
        .web-links-section {
            margin: 3rem 0;
            padding: 2rem;
            background: linear-gradient(to right, var(--light), white);
            border-radius: var(--radius);
        }
        .web-links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 1.5rem;
        }
        .web-link {
            background: white;
            padding: 1.2rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .web-link:hover {
            border-color: var(--accent);
            transform: translateY(-5px);
        }
        .web-link a {
            color: var(--primary);
            font-weight: 600;
            display: block;
        }
        .web-link a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .site-footer {
            background-color: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-widget h4 {
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            color: var(--accent);
            padding-bottom: 0.7rem;
            border-bottom: 2px solid rgba(255,255,255,0.1);
        }
        .footer-widget ul li {
            margin-bottom: 0.8rem;
        }
        .footer-widget a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255,255,255,0.1);
            border-radius: 50%;
            font-size: 1.2rem;
        }
        .social-links a:hover {
            background-color: var(--accent);
            color: var(--dark);
            transform: scale(1.1);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.95rem;
            color: var(--gray);
        }
        .text-center { text-align: center; }
        .text-accent { color: var(--accent); }
        .text-secondary { color: var(--secondary); }
        .bold { font-weight: 700; }
        .emoji { font-size: 1.2em; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mt-2 { margin-top: 2rem; }
        .flex { display: flex; }
        .align-center { align-items: center; }
        .justify-between { justify-content: space-between; }
        .gap-1 { gap: 1rem; }