* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            text-decoration: none;
            color: #4a6ee0;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff6b6b;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .header {
            background: #2d3436;
            color: #fff;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #ffd32a;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(90deg, #ffd32a, #ff9f1a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: transform 0.3s;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: #dfe6e9;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        .nav-desktop a:hover {
            background: #4a6ee0;
            color: #fff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffd32a;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #2d3436;
            padding: 1rem;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: #dfe6e9;
            padding: 0.8rem;
            border-bottom: 1px solid #444;
        }
        .nav-mobile a:hover {
            background: #4a6ee0;
        }
        .breadcrumb {
            background: #fff;
            padding: 0.8rem 2rem;
            border-bottom: 1px solid #ddd;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #4a6ee0;
        }
        .main-container {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            flex: 1;
        }
        @media (max-width: 768px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article {
            background: #fff;
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
        }
        .sidebar {
            background: #fff;
            padding: 1.5rem;
            border-radius: 15px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
            align-self: start;
        }
        h1 {
            font-size: 2.8rem;
            color: #2d3436;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid #ff9f1a;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #4a6ee0;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #c3cfe2;
        }
        h3 {
            font-size: 1.6rem;
            color: #555;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #777;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background: #fffacd;
            padding: 1.5rem;
            border-left: 4px solid #ffd32a;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 0.5rem;
        }
        .strong {
            font-weight: 900;
            color: #2d3436;
        }
        .content-links {
            display: inline;
            font-weight: 600;
            border-bottom: 1px dotted #4a6ee0;
        }
        .content-links:hover {
            border-bottom-style: solid;
        }
        .feature-img {
            width: 80%;
            margin: 2rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .feature-img:hover {
            transform: scale(1.02);
        }
        .feature-img img {
            width: 100%;
            height: auto;
        }
        .search-box, .comment-box, .rating-box {
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            border: 1px solid #e9ecef;
        }
        .search-box h3, .comment-box h3, .rating-box h3 {
            margin-top: 0;
            color: #4a6ee0;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        input, textarea, select {
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
            width: 100%;
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        button {
            background: #4a6ee0;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        button:hover {
            background: #3a5ed0;
        }
        .footer {
            background: #2d3436;
            color: #dfe6e9;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-links h4 {
            color: #ffd32a;
            margin-bottom: 1rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            color: #dfe6e9;
            padding: 0.5rem;
            background: rgba(255,255,255,0.05);
            border-radius: 5px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(74, 110, 224, 0.3);
            color: #fff;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article {
                padding: 1.5rem;
            }
            .feature-img {
                width: 100%;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .article, .sidebar {
            animation: fadeIn 0.8s ease-out;
        }