:root {
            --primary: #ff66b2;
            --secondary: #9d4edd;
            --accent: #ffcc00;
            --dark: #2d1b69;
            --light: #f8f5ff;
            --text: #333333;
            --text-light: #666666;
            --shadow: rgba(157, 78, 221, 0.2);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text);
            background: linear-gradient(135deg, #f8f5ff 0%, #e6e1ff 100%);
            min-height: 100vh;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(90deg, var(--dark) 0%, var(--secondary) 100%);
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 5px 20px var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(45deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 5px rgba(0,0,0,0.2);
            padding: 5px 10px;
            border-radius: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
            background: none;
            border: none;
        }
        nav {
            display: flex;
            gap: 25px;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 25px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.2);
            text-decoration: none;
            transform: translateY(-3px);
        }
        .breadcrumb {
            background: var(--light);
            padding: 12px 0;
            border-bottom: 1px solid #ddd;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        main {
            padding: 40px 0;
        }
        article {
            background: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 30px var(--shadow);
            margin-bottom: 40px;
        }
        h1 {
            color: var(--dark);
            font-size: 3rem;
            margin-bottom: 20px;
            text-align: center;
            line-height: 1.2;
            border-bottom: 4px solid var(--accent);
            padding-bottom: 15px;
        }
        h2 {
            color: var(--secondary);
            font-size: 2.2rem;
            margin: 40px 0 20px;
            padding-left: 15px;
            border-left: 6px solid var(--primary);
        }
        h3 {
            color: var(--primary);
            font-size: 1.8rem;
            margin: 30px 0 15px;
        }
        h4 {
            color: var(--dark);
            font-size: 1.4rem;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 25px;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(255,102,178,0.1), rgba(157,78,221,0.1));
            padding: 20px;
            border-radius: 15px;
            border-left: 5px solid var(--accent);
            margin: 25px 0;
        }
        strong {
            color: var(--dark);
            font-weight: 800;
        }
        em {
            color: var(--secondary);
            font-style: italic;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
        }
        .image-container {
            text-align: center;
            margin: 40px 0;
        }
        .featured-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.02);
            box-shadow: 0 20px 40px rgba(0,0,0,0.2);
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .card {
            background: var(--light);
            padding: 25px;
            border-radius: 15px;
            border-top: 8px solid var(--primary);
            transition: var(--transition);
        }
        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px var(--shadow);
        }
        .card h3 {
            margin-top: 0;
            color: var(--dark);
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        input, textarea, select {
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 10px;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px var(--shadow);
        }
        button {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 25px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px var(--shadow);
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 10px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover, .star.active {
            color: var(--accent);
        }
        .update-time {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px dashed #ccc;
        }
        footer {
            background: var(--dark);
            color: white;
            padding: 50px 0 20px;
        }
        friend-link {
            display: block;
            margin-bottom: 30px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .friend-links a {
            color: white;
            background: rgba(255,255,255,0.1);
            padding: 12px 25px;
            border-radius: 25px;
            font-weight: 600;
        }
        .friend-links a:hover {
            background: var(--primary);
            text-decoration: none;
            transform: scale(1.05);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.2);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 20px;
                background: rgba(45, 27, 105, 0.95);
                padding: 20px;
                border-radius: 15px;
            }
            nav.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            article {
                padding: 25px;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
        }
        @media (min-width: 769px) and (max-width: 1024px) {
            .container {
                padding: 0 30px;
            }
            h1 {
                font-size: 2.6rem;
            }
        }
        @media print {
            nav, .interactive-section, footer {
                display: none;
            }
            body {
                background: white;
            }
            article {
                box-shadow: none;
            }
        }