* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f9f9f9;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #2196F3;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #4CAF50;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #4CAF50, #2196F3);
            color: white;
            padding: 20px 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: bold;
            color: white;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            letter-spacing: 2px;
        }
        .my-logo span {
            color: #FFEB3B;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav a {
            color: white;
            font-weight: 600;
            padding: 10px 15px;
            border-radius: 5px;
            transition: background 0.3s ease;
        }
        nav a:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .breadcrumb {
            padding: 15px 0;
            background: #e9ecef;
            margin-bottom: 30px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: #666;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        main {
            background: white;
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        aside {
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
        }
        h1 {
            font-size: 2.8rem;
            color: #4CAF50;
            margin-bottom: 25px;
            text-align: center;
        }
        h2 {
            font-size: 2.2rem;
            color: #2196F3;
            margin: 40px 0 20px;
            border-bottom: 3px solid #4CAF50;
            padding-bottom: 10px;
        }
        h3 {
            font-size: 1.8rem;
            color: #333;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #666;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background: #E8F5E9;
            padding: 20px;
            border-left: 5px solid #4CAF50;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin: 25px 0;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        .interactive-form {
            background: #f1f8ff;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .interactive-form h3 {
            color: #2196F3;
        }
        input, textarea, select, button {
            width: 100%;
            padding: 12px;
            margin: 10px 0;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
        }
        button {
            background: #4CAF50;
            color: white;
            border: none;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s ease;
        }
        button:hover {
            background: #388E3C;
        }
        .rating {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .rating i {
            color: #FFC107;
            cursor: pointer;
            font-size: 1.5rem;
        }
        .update-time {
            text-align: right;
            font-style: italic;
            color: #888;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px dashed #ccc;
        }
        footer {
            background: #2C3E50;
            color: white;
            padding: 40px 0;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .friend-links a {
            color: #FFEB3B;
        }
        .copyright {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #bbb;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 20px;
            }
            .nav-toggle {
                display: block;
                position: absolute;
                top: 25px;
                right: 20px;
            }
            nav ul {
                flex-direction: column;
                display: none;
                width: 100%;
                text-align: center;
                background: rgba(33, 150, 243, 0.95);
                padding: 20px;
                border-radius: 10px;
                margin-top: 20px;
            }
            nav ul.active {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }