:root {
            --primary: #1a5fb4;
            --secondary: #e35d5d;
            --accent: #f9c80e;
            --dark: #2d2d2d;
            --light: #f8f9fa;
            --gray: #6c757d;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent);
        }
        .desktop-nav {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .nav-link {
            font-weight: 600;
            padding: 8px 0;
            position: relative;
        }
        .nav-link:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--secondary);
            transition: var(--transition);
        }
        .nav-link:hover:after {
            width: 100%;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark);
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: white;
            padding: 20px;
            box-shadow: var(--shadow);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav .nav-link {
            padding: 12px 0;
            border-bottom: 1px solid #eee;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: var(--light);
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .search-section {
            background: linear-gradient(135deg, var(--primary), #0d4a9c);
            padding: 40px 0;
            text-align: center;
            color: white;
        }
        .search-box {
            max-width: 600px;
            margin: 20px auto 0;
            position: relative;
        }
        .search-input {
            width: 100%;
            padding: 16px 20px;
            border: none;
            border-radius: 50px;
            font-size: 1rem;
            box-shadow: var(--shadow);
        }
        .search-btn {
            position: absolute;
            right: 8px;
            top: 8px;
            background-color: var(--secondary);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 10px 25px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: #d14a4a;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            font-size: 1.05rem;
        }
        .article-meta {
            display: flex;
            gap: 20px;
            color: var(--gray);
            margin-bottom: 30px;
            font-size: 0.9rem;
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 20px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            color: var(--primary);
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.5rem;
            margin: 30px 0 15px;
            color: var(--dark);
        }
        h4 {
            font-size: 1.2rem;
            margin: 25px 0 10px;
            color: var(--gray);
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
        }
        .lead {
            font-size: 1.25rem;
            font-weight: 500;
            color: var(--primary);
            margin-bottom: 30px;
        }
        .highlight {
            background-color: #fff9db;
            border-left: 4px solid var(--accent);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .feature-img {
            width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 30px 0;
            box-shadow: var(--shadow);
        }
        .cta-box {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            padding: 25px;
            border-radius: var(--radius);
            margin: 30px 0;
            text-align: center;
            border: 1px solid #dee2e6;
        }
        .btn {
            display: inline-block;
            background-color: var(--secondary);
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 10px rgba(227, 93, 93, 0.3);
        }
        .btn:hover {
            background-color: #d14a4a;
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(227, 93, 93, 0.4);
        }
        .btn i {
            margin-right: 8px;
        }
        .sidebar {
            padding-left: 20px;
            border-left: 1px solid #eee;
        }
        @media (max-width: 992px) {
            .sidebar {
                padding-left: 0;
                border-left: none;
                border-top: 1px solid #eee;
                padding-top: 40px;
            }
        }
        .sidebar-widget {
            background-color: var(--light);
            padding: 25px;
            border-radius: var(--radius);
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title i {
            color: var(--accent);
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #ddd;
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .link-list a:hover {
            gap: 15px;
        }
        .interaction-section {
            margin-top: 50px;
            padding-top: 40px;
            border-top: 2px solid #eee;
        }
        .rating-widget {
            text-align: center;
            margin-bottom: 40px;
        }
        .stars {
            font-size: 2rem;
            color: #ddd;
            margin: 15px 0;
            cursor: pointer;
        }
        .stars .fas {
            color: var(--accent);
        }
        .comment-form, .rating-form {
            background-color: var(--light);
            padding: 30px;
            border-radius: var(--radius);
            margin-top: 20px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: var(--radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 180, 0.1);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .site-footer {
            background-color: var(--dark);
            color: #b0b0b0;
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            margin-bottom: 15px;
        }
        .footer-nav {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-nav a {
            color: #b0b0b0;
        }
        .footer-nav a:hover {
            color: white;
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: var(--radius);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        friend-link:hover {
            background-color: rgba(255, 255, 255, 0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #888;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .bold {
            font-weight: 700;
            color: var(--dark);
        }
        .text-center {
            text-align: center;
        }
        .mb-4 {
            margin-bottom: 2rem;
        }
        .mt-4 {
            margin-top: 2rem;
        }