:root {
            --primary: #5D9CEC;
            --secondary: #FFCE54;
            --accent: #A0D468;
            --dark: #2C3E50;
            --light: #ECF0F1;
            --text: #333;
            --gray: #95A5A6;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 10px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, var(--secondary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            font-style: italic;
        }
        .my-logo a {
            color: inherit;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: var(--light);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: var(--secondary);
            left: 0;
            bottom: 0;
            transition: var(--transition);
        }
        nav a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--secondary);
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-top: 0.5rem;
        }
        .breadcrumb a {
            color: var(--light);
        }
        .breadcrumb span {
            color: var(--gray);
            margin: 0 8px;
        }
        main {
            padding: 3rem 0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        article {
            background: white;
            padding: 2.5rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 5px solid var(--secondary);
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 2.5rem 0 1.2rem;
            padding-top: 1rem;
            border-top: 2px solid var(--light);
        }
        h3 {
            font-size: 1.6rem;
            color: var(--accent);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .intro {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--dark);
            background: #f8f9fa;
            padding: 1.5rem;
            border-left: 5px solid var(--primary);
            border-radius: 0 var(--radius) var(--radius) 0;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fffde7;
            padding: 1.5rem;
            border-radius: var(--radius);
            border: 1px dashed var(--secondary);
            margin: 2rem 0;
        }
        .feature-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            margin: 2rem auto;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .feature-img:hover {
            transform: scale(1.01);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .quote {
            font-size: 1.3rem;
            color: var(--primary);
            text-align: center;
            padding: 2rem;
            font-style: italic;
            background: #f0f7ff;
            border-radius: var(--radius);
            margin: 2.5rem 0;
            position: relative;
        }
        .quote:before, .quote:after {
            content: '"';
            font-size: 3rem;
            color: var(--secondary);
            position: absolute;
            opacity: 0.5;
        }
        .quote:before {
            top: 10px;
            left: 20px;
        }
        .quote:after {
            bottom: 10px;
            right: 20px;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 2rem 0;
            padding: 1.5rem;
            background: #f8f9fa;
            border-radius: var(--radius);
        }
        .link-list a {
            background: white;
            padding: 0.7rem 1.5rem;
            border-radius: 50px;
            box-shadow: var(--shadow);
            font-weight: 600;
        }
        .link-list a:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-3px);
        }
        strong {
            color: var(--dark);
            font-weight: 800;
        }
        em {
            color: var(--accent);
        }
        aside {
            position: sticky;
            top: 140px;
            align-self: start;
        }
        .widget {
            background: white;
            padding: 1.8rem;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }
        .widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: var(--dark);
            border-bottom: 2px solid var(--light);
            padding-bottom: 0.8rem;
        }
        .search-form input {
            width: 100%;
            padding: 0.9rem;
            border: 2px solid var(--light);
            border-radius: 50px;
            font-size: 1rem;
            margin-bottom: 1rem;
        }
        .search-form button {
            width: 100%;
            background: linear-gradient(to right, var(--primary), var(--accent));
            color: white;
            border: none;
            padding: 0.9rem;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            opacity: 0.9;
            transform: translateY(-2px);
        }
        .rating {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: var(--secondary);
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 3px;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-form input, .rating-form textarea {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: var(--radius);
        }
        .rating-form button {
            background-color: var(--dark);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: var(--primary);
        }
        .update {
            font-size: 0.9rem;
            color: var(--gray);
            text-align: center;
            padding-top: 1rem;
            border-top: 1px solid var(--light);
        }
        footer {
            background-color: var(--dark);
            color: var(--light);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--secondary);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            color: var(--light);
        }
        friend-link a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: var(--gray);
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            nav ul {
                flex-direction: column;
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                background-color: var(--dark);
                padding: 2rem;
                transition: left 0.5s ease;
                box-shadow: 0 10px 15px rgba(0,0,0,0.2);
                z-index: 999;
            }
            nav.active ul {
                left: 0;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
            .header-content {
                flex-wrap: wrap;
            }
            .my-logo {
                font-size: 1.8rem;
            }
        }