:root {
            --primary: #6a11cb;
            --secondary: #2575fc;
            --accent: #ff4b8d;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --border-radius: 12px;
            --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%, #e4e8f0 100%);
            color: var(--dark);
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            background: linear-gradient(to right, #ffd89b, #ff4b8d);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: unset;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            color: white;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 12px;
            border-radius: 6px;
        }
        nav a:hover {
            background: rgba(255,255,255,0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .breadcrumb {
            background: rgba(255,255,255,0.1);
            padding: 12px 0;
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        .breadcrumb a {
            color: #e0e0ff;
        }
        .breadcrumb span {
            color: #ccc;
            margin: 0 8px;
        }
        main {
            flex: 1;
            padding: 40px 0;
        }
        .article-header {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px;
            margin-bottom: 40px;
            box-shadow: var(--shadow);
            text-align: center;
            border-left: 6px solid var(--accent);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: var(--primary);
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            color: var(--gray);
            margin-top: 25px;
            font-size: 0.95rem;
        }
        .article-meta i {
            margin-right: 8px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--shadow);
            margin-bottom: 40px;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary);
            margin: 35px 0 20px;
            padding-bottom: 12px;
            border-bottom: 3px solid #f0f0f0;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark);
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 22px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 30px;
            line-height: 1.5;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(255,75,141,0.1), rgba(106,17,203,0.1));
            border-left: 5px solid var(--accent);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .img-container {
            margin: 35px 0;
            text-align: center;
        }
        .img-container img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .img-container img:hover {
            transform: scale(1.01);
        }
        .caption {
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 0.95rem;
        }
        ul, ol {
            margin: 20px 0 20px 30px;
        }
        li {
            margin-bottom: 10px;
        }
        blockquote {
            font-style: italic;
            font-size: 1.3rem;
            color: var(--secondary);
            border-left: 5px solid var(--secondary);
            padding-left: 25px;
            margin: 30px 0;
        }
        .interactive-box {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 30px;
            border-radius: var(--border-radius);
            margin: 40px 0;
            box-shadow: var(--shadow);
        }
        .interactive-box h3 {
            color: white;
            margin-top: 0;
        }
        form {
            display: grid;
            gap: 20px;
            margin-top: 20px;
        }
        input, textarea, select {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(106,17,203,0.2);
        }
        button {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 16px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            justify-self: start;
        }
        button:hover {
            background: linear-gradient(90deg, var(--secondary), var(--primary));
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(50,50,93,0.1);
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
            margin: 15px 0;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .stars i {
            color: #ffc107;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        aside {
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-box {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .sidebar-box h3 {
            font-size: 1.4rem;
            margin-top: 0;
            color: var(--primary);
        }
        .related-links {
            list-style: none;
            margin: 0;
        }
        .related-links li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }
        .related-links a {
            display: block;
            font-weight: 600;
            color: var(--dark);
        }
        .related-links a:hover {
            color: var(--primary);
            padding-left: 10px;
        }
        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            background: #f1f3ff;
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
        }
        .tag:hover {
            background: var(--primary);
            color: white;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-section h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 3px;
            background: var(--accent);
        }
        friend-link {
            display: block;
            margin-bottom: 15px;
        }
        friend-link a {
            color: #ccc;
        }
        friend-link a:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
            h1 {
                font-size: 2.4rem;
            }
        }
        @media (max-width: 768px) {
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--primary);
                padding: 20px;
                box-shadow: var(--shadow);
                border-top: 2px solid rgba(255,255,255,0.1);
            }
            nav ul.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-top {
                padding: 15px 0;
            }
            .article-header, article {
                padding: 30px 20px;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
            .article-meta {
                flex-direction: column;
                gap: 15px;
                align-items: center;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .lead {
                font-size: 1.1rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .sidebar-box {
            animation: fadeIn 0.8s ease-out;
        }
        .bold {
            font-weight: 800;
            color: var(--primary);
        }
        .emoji {
            font-size: 1.3em;
            margin-right: 5px;
        }
        .text-center {
            text-align: center;
        }
        .mt-4 { margin-top: 40px; }
        .mb-4 { margin-bottom: 40px; }