* {
            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-color: #f8f9fa;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #00a8ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0097e6;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #2c3e50 0%, #1a2530 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: #00d8ff;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #ff6b6b;
        }
        .my-logo a {
            color: inherit;
        }
        .my-logo a:hover {
            text-shadow: 0 0 8px rgba(0, 216, 255, 0.7);
        }
        .search-form {
            flex-grow: 1;
            max-width: 400px;
            margin: 0 20px;
        }
        .search-box {
            display: flex;
            background: rgba(255,255,255,0.1);
            border-radius: 50px;
            overflow: hidden;
            border: 1px solid rgba(0,216,255,0.3);
        }
        .search-box input {
            flex-grow: 1;
            padding: 10px 20px;
            background: transparent;
            border: none;
            color: white;
            font-size: 1rem;
        }
        .search-box input::placeholder {
            color: rgba(255,255,255,0.7);
        }
        .search-box button {
            background: #00a8ff;
            color: white;
            border: none;
            padding: 10px 20px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #0097e6;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav a {
            color: white;
            font-weight: 500;
            padding: 5px 0;
            position: relative;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #00d8ff;
            transition: width 0.3s ease;
        }
        nav a:hover::after {
            width: 100%;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #7f8c8d;
            background: #ecf0f1;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb i {
            margin: 0 8px;
        }
        main {
            padding: 30px 0;
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-top: 20px;
        }
        .article-header {
            text-align: center;
            padding-bottom: 30px;
            border-bottom: 2px dashed #eee;
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            color: #2c3e50;
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .meta-info {
            color: #7f8c8d;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .meta-info i {
            margin-right: 5px;
        }
        .content-area {
            padding: 0 30px;
        }
        h2 {
            font-size: 2rem;
            color: #3498db;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.6rem;
            color: #2c3e50;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #2c3e50;
            font-weight: 500;
            border-left: 4px solid #00d8ff;
            padding-left: 20px;
            margin: 30px 0;
        }
        .highlight-box {
            background: linear-gradient(to right, #f8f9fa, #e9ecef);
            border-left: 5px solid #ff6b6b;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 10px 10px 0;
        }
        .wallpaper-showcase {
            text-align: center;
            margin: 40px 0;
            padding: 20px;
            background: #f8f9fa;
            border-radius: 10px;
        }
        .wallpaper-showcase img {
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            margin: 0 auto 20px;
            border: 5px solid white;
        }
        .caption {
            font-style: italic;
            color: #666;
            font-size: 0.95rem;
        }
        .rating-system, .comment-form {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 10px;
            margin: 40px 0;
            border: 1px solid #dee2e6;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s, transform 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffd700;
            transform: scale(1.1);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #80bdff;
            box-shadow: 0 0 0 0.2rem rgba(0,123,255,0.25);
        }
        .btn {
            display: inline-block;
            background: #00a8ff;
            color: white;
            padding: 12px 30px;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: all 0.3s;
        }
        .btn:hover {
            background: #0097e6;
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0,168,255,0.2);
        }
        footer {
            background: #2c3e50;
            color: #ecf0f1;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: #00d8ff;
            font-size: 1.3rem;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
            color: #bdc3c7;
            transition: color 0.3s, padding-left 0.3s;
        }
        friend-link:hover {
            color: white;
            padding-left: 5px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #34495e;
            font-size: 0.9rem;
            color: #95a5a6;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            .header-top { flex-direction: column; gap: 15px; }
            .search-form { max-width: 100%; order: 3; width: 100%; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                flex-direction: column;
                gap: 0;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
                width: 100%;
                text-align: center;
                background: rgba(44,62,80,0.98);
                position: absolute;
                top: 100%;
                left: 0;
                z-index: 999;
            }
            nav.active ul {
                max-height: 500px;
                padding: 20px 0;
            }
            nav li { margin: 10px 0; }
            .content-area { padding: 0 15px; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .meta-info { flex-direction: column; gap: 10px; }
        }