* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none" opacity="0.03"><path d="M50,0 Q75,25 100,50 T50,100 Q25,75 0,50 T50,0 Z" fill="%23666"/></svg>') repeat;
            z-index: -1;
            pointer-events: none;
        }
        h1, h2, h3, h4 { color: #2c3e50; font-weight: 700; margin-bottom: 1rem; }
        h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); border-left: 8px solid #e74c3c; padding-left: 20px; margin-top: 1.5rem; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); padding-bottom: 10px; border-bottom: 3px double #3498db; margin-top: 2.5rem; }
        h3 { font-size: clamp(1.5rem, 3vw, 2rem); color: #2980b9; margin-top: 2rem; }
        h4 { font-size: 1.4rem; color: #16a085; margin-top: 1.5rem; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; text-align: justify; }
        strong { color: #c0392b; }
        em { background: linear-gradient(90deg, transparent, #fff9c4, transparent); font-style: normal; padding: 0 5px; }
        a { color: #2980b9; text-decoration: none; transition: all 0.3s ease; border-bottom: 1px dotted transparent; }
        a:hover { color: #e74c3c; border-bottom-color: #e74c3c; }
        .highlight { background: linear-gradient(120deg, #a1c4fd 0%, #c2e9fb 100%); padding: 2px 8px; border-radius: 4px; }
        .container {
            display: grid;
            grid-template-columns: 1fr;
            grid-template-areas:
                "header"
                "breadcrumb"
                "main"
                "sidebar"
                "footer";
            gap: 30px;
        }
        @media (min-width: 992px) {
            .container {
                grid-template-columns: 1fr 300px;
                grid-template-areas:
                    "header header"
                    "breadcrumb breadcrumb"
                    "main sidebar"
                    "footer footer";
            }
        }
        header { grid-area: header; padding: 20px 0; border-bottom: 3px solid #2c3e50; }
        .header-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 2.8rem;
            background: linear-gradient(45deg, #FF6B6B, #4ECDC4, #45B7D1, #96CEB4, #FFEAA7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
            text-decoration: none;
        }
        .my-logo:hover { transform: scale(1.03); }
        nav { flex: 1; text-align: right; }
        .nav-links { display: flex; justify-content: flex-end; list-style: none; }
        .nav-links li { margin-left: 25px; }
        .nav-links a {
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 20px;
            background: #ecf0f1;
            display: block;
        }
        .nav-links a:hover { background: #3498db; color: white; }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; color: #2c3e50; }
        .breadcrumb {
            grid-area: breadcrumb;
            padding: 15px;
            background: #fff;
            border-radius: 10px;
            box-shadow: 0 3px 10px rgba(0,0,0,0.05);
        }
        .breadcrumb ul { display: flex; flex-wrap: wrap; list-style: none; }
        .breadcrumb li:not(:last-child)::after { content: '›'; margin: 0 10px; color: #7f8c8d; }
        .breadcrumb a { color: #7f8c8d; }
        .breadcrumb a:hover { color: #e74c3c; }
        main {
            grid-area: main;
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        }
        article section { margin-bottom: 40px; }
        aside {
            grid-area: sidebar;
            background: #2c3e50;
            color: white;
            padding: 25px;
            border-radius: 15px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        aside h3 { color: #1abc9c; border-bottom: 2px solid; padding-bottom: 10px; }
        .widget { margin-bottom: 30px; }
        .search-form { display: flex; margin-top: 15px; }
        .search-form input { flex: 1; padding: 12px; border: none; border-radius: 5px 0 0 5px; }
        .search-form button {
            background: #e74c3c;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
        }
        .search-form button:hover { background: #c0392b; }
        .rating-widget { text-align: center; }
        .stars { font-size: 1.8rem; color: #FFD700; margin: 15px 0; }
        .stars i { cursor: pointer; margin: 0 3px; transition: transform 0.2s; }
        .stars i:hover { transform: scale(1.3); }
        .comment-form textarea {
            width: 100%;
            height: 120px;
            padding: 15px;
            border-radius: 8px;
            border: 2px solid #34495e;
            background: #34495e;
            color: white;
            margin-top: 15px;
            resize: vertical;
        }
        .comment-form button {
            background: #1abc9c;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            margin-top: 10px;
            width: 100%;
        }
        .comment-form button:hover { background: #16a085; }
        .related-links { background: #f8f9fa; padding: 20px; border-radius: 10px; border-left: 5px solid #3498db; }
        .related-links ul { list-style: none; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 15px; }
        .related-links li { padding: 12px; background: white; border-radius: 8px; transition: transform 0.3s; }
        .related-links li:hover { transform: translateX(5px); background: #e3f2fd; }
        .related-links a::before { content: '🔗'; margin-right: 10px; }
        footer {
            grid-area: footer;
            background: #2c3e50;
            color: #ecf0f1;
            padding: 40px 20px;
            border-radius: 15px 15px 0 0;
            text-align: center;
            margin-top: 40px;
        }
        friend-link {
            display: block;
            font-style: italic;
            margin: 15px 0;
            color: #1abc9c;
        }
        .copyright { margin-top: 30px; padding-top: 20px; border-top: 1px solid #7f8c8d; font-size: 0.9rem; }
        .feature-img {
            width: 100%;
            height: auto;
            border-radius: 15px;
            border: 5px solid #dfe6e9;
            margin: 25px 0;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s;
        }
        .feature-img:hover { transform: scale(1.01); }
        .update-time {
            background: #ffeaa7;
            padding: 10px 20px;
            border-radius: 10px;
            display: inline-block;
            margin: 15px 0;
            font-weight: bold;
        }
        .emoji { font-size: 1.2em; }
        @media (max-width: 991px) {
            .header-content { flex-direction: column; align-items: flex-start; }
            .hamburger { display: block; position: absolute; top: 30px; right: 20px; }
            .nav-links {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 20px;
                background: white;
                border-radius: 10px;
                padding: 15px;
                box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            }
            .nav-links.active { display: flex; }
            .nav-links li { margin: 10px 0; margin-left: 0; }
            .nav-links a { border-radius: 8px; }
            .related-links ul { grid-template-columns: 1fr; }
        }