:root {
            --primary: #2A2D7A;
            --secondary: #FF6B35;
            --accent: #00C9B7;
            --dark: #1A1C4E;
            --light: #F7F9FC;
            --text: #333333;
            --text-light: #666;
            --gray: #E2E8F0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --radius: 12px;
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--light);
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--accent);
        }
        .my-logo:hover {
            color: var(--accent);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: white;
            border-bottom: 1px solid var(--gray);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .nav-desktop {
            display: none;
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--accent);
            transition: var(--transition);
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            background: transparent;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            display: block;
        }
        .nav-mobile {
            position: fixed;
            top: 0;
            right: -300px;
            width: 280px;
            height: 100vh;
            background: white;
            box-shadow: -5px 0 15px rgba(0,0,0,0.1);
            padding: 2rem;
            transition: var(--transition);
            z-index: 1001;
            overflow-y: auto;
        }
        .nav-mobile.active {
            right: 0;
        }
        .nav-mobile-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid var(--gray);
        }
        .close-menu {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
        }
        .nav-mobile ul {
            list-style: none;
        }
        .nav-mobile li {
            margin-bottom: 1rem;
        }
        .nav-mobile a {
            color: var(--text);
            font-weight: 600;
            display: block;
            padding: 0.7rem;
            border-radius: var(--radius);
        }
        .nav-mobile a:hover {
            background-color: var(--gray);
            color: var(--primary);
        }
        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 1000;
            display: none;
        }
        .overlay.active {
            display: block;
        }
        .search-container {
            background: linear-gradient(to right, var(--secondary), #FF8E53);
            padding: 2rem 0;
            margin-bottom: 2rem;
            border-radius: var(--radius);
            text-align: center;
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .search-box h2 {
            color: white;
            margin-bottom: 1rem;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
        }
        .search-btn {
            background: var(--dark);
            color: white;
            border: none;
            padding: 0 1.8rem;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: black;
        }
        main {
            padding: 2rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 992px) {
            .content-grid {
                grid-template-columns: 3fr 1fr;
            }
        }
        article {
            background: white;
            border-radius: var(--radius);
            padding: 2.5rem;
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .article-header {
            margin-bottom: 2rem;
            border-bottom: 2px solid var(--gray);
            padding-bottom: 1.5rem;
        }
        h1 {
            font-size: 2.8rem;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 1rem;
        }
        .meta {
            color: var(--text-light);
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .meta i {
            margin-right: 5px;
        }
        h2, h3, h4 {
            color: var(--primary);
            margin: 2.5rem 0 1.2rem 0;
            line-height: 1.3;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid var(--secondary);
            padding-left: 1rem;
        }
        h3 {
            font-size: 1.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--secondary);
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            background: linear-gradient(to right, var(--light), #e3f2fd);
            padding: 1.5rem;
            border-radius: var(--radius);
            border-left: 4px solid var(--accent);
            margin: 2rem 0;
        }
        .highlight-box {
            background: var(--light);
            border: 2px dashed var(--accent);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin: 2rem 0;
        }
        .tip {
            background: #FFF9E6;
            border-left: 5px solid #FFB347;
            padding: 1.2rem;
            margin: 1.5rem 0;
        }
        .tip strong {
            color: #E67E22;
        }
        .featured-image {
            margin: 2.5rem auto;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            padding: 0.8rem;
            background: #f8f9fa;
        }
        ul, ol {
            margin-left: 1.8rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.7rem;
        }
        strong {
            color: var(--primary);
        }
        .internal-links {
            background: #f0f7ff;
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        .internal-links h4 {
            margin-top: 0;
        }
        .internal-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 0.8rem;
            list-style: none;
            margin-left: 0;
        }
        .internal-links li {
            margin-bottom: 0.5rem;
        }
        .internal-links a {
            display: block;
            padding: 0.6rem 1rem;
            background: white;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
            border-left: 3px solid var(--accent);
        }
        .internal-links a:hover {
            background: var(--accent);
            color: white;
            transform: translateX(5px);
        }
        aside {
            background: white;
            border-radius: var(--radius);
            padding: 1.8rem;
            box-shadow: var(--shadow);
            align-self: start;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget-title {
            font-size: 1.4rem;
            color: var(--dark);
            padding-bottom: 0.7rem;
            margin-bottom: 1.2rem;
            border-bottom: 2px solid var(--gray);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget-title i {
            color: var(--secondary);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #FFC107;
            margin: 1rem 0;
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-form select,
        .rating-form textarea {
            padding: 0.8rem;
            border: 1px solid var(--gray);
            border-radius: 8px;
            font-family: inherit;
        }
        .rating-form button {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background: #e55a2b;
        }
        .comments-widget textarea {
            width: 100%;
            min-height: 120px;
            padding: 1rem;
            border: 1px solid var(--gray);
            border-radius: 8px;
            font-family: inherit;
            margin-bottom: 1rem;
        }
        .comments-widget button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .comments-widget button:hover {
            background: var(--dark);
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 3rem 0 1.5rem 0;
            margin-top: 3rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2.5rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 1rem;
            color: white;
        }
        .footer-about p {
            color: #CCCCCC;
            margin-bottom: 1.5rem;
        }
        .footer-links h4,
        .footer-social h4 {
            color: var(--accent);
            margin-bottom: 1.5rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #CCCCCC;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .social-icons {
            display: flex;
            gap: 1rem;
            font-size: 1.5rem;
        }
        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 45px;
            height: 45px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            color: white;
        }
        .social-icons a:hover {
            background: var(--accent);
            transform: translateY(-3px);
        }
        friend-link {
            display: block;
            background: rgba(0,0,0,0.2);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
        }
        friend-link h4 {
            color: var(--accent);
            margin-bottom: 1rem;
        }
        friend-link ul {
            list-style: none;
            margin-left: 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
        }
        friend-link li {
            margin-bottom: 0;
        }
        friend-link a {
            color: white;
            display: block;
            padding: 0.7rem;
            background: rgba(255,255,255,0.05);
            border-radius: 6px;
            text-align: center;
            transition: var(--transition);
        }
        friend-link a:hover {
            background: var(--accent);
            color: var(--dark);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #AAAAAA;
            font-size: 0.9rem;
        }
        .text-center {
            text-align: center;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .btn {
            display: inline-block;
            background: var(--secondary);
            color: white;
            padding: 0.9rem 1.8rem;
            border-radius: 50px;
            font-weight: bold;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background: #e55a2b;
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(255,107,53,0.3);
        }
        .last-updated {
            background: #E8F5E9;
            padding: 0.8rem;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            margin: 1rem 0;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            article {
                padding: 1.8rem;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
        }
        @media (min-width: 769px) {
            .nav-desktop {
                display: block;
            }
            .hamburger {
                display: none;
            }
        }