* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #f1f5f9;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #38bdf8;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, #fbbf24, #ef4444);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a:hover {
            opacity: 0.9;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #3b82f6;
            transition: width 0.3s;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            color: #f1f5f9;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            background: #1e293b;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 6px 12px rgba(0,0,0,0.3);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 1rem 0;
        }
        .mobile-nav a {
            display: block;
            padding: 0.8rem;
            border-radius: 6px;
            background: #334155;
            font-weight: 600;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .breadcrumb a {
            color: #94a3b8;
        }
        .breadcrumb a:hover {
            color: #f1f5f9;
        }
        main {
            padding: 2rem 0;
        }
        article {
            background: #1e293b;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #fbbf24;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-align: center;
        }
        h2 {
            font-size: 2rem;
            color: #60a5fa;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #334155;
        }
        h3 {
            font-size: 1.5rem;
            color: #38bdf8;
            margin: 1.8rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: rgba(251, 191, 36, 0.15);
            border-left: 5px solid #fbbf24;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tip {
            background: rgba(34, 197, 94, 0.15);
            border-left: 5px solid #22c55e;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .note {
            background: rgba(59, 130, 246, 0.15);
            border-left: 5px solid #3b82f6;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            margin: 2.5rem auto;
            text-align: center;
        }
        .image-container img {
            border-radius: 12px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.6);
            border: 2px solid #475569;
        }
        .caption {
            font-style: italic;
            color: #94a3b8;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .search-box {
            background: #334155;
            padding: 2rem;
            border-radius: 12px;
            margin: 2rem 0;
            text-align: center;
        }
        .search-box h3 {
            color: #fbbf24;
            margin-top: 0;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 1.5rem auto 0;
        }
        .search-form input {
            flex: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #475569;
            border-radius: 8px 0 0 8px;
            background: #1e293b;
            color: #f1f5f9;
            font-size: 1rem;
        }
        .search-form button {
            background: #3b82f6;
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #2563eb;
        }
        .user-engagement {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .comments, .rating {
            background: #334155;
            padding: 2rem;
            border-radius: 12px;
        }
        .comments h3, .rating h3 {
            color: #fbbf24;
            margin-top: 0;
        }
        .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 1rem;
            background: #1e293b;
            border: 2px solid #475569;
            border-radius: 8px;
            color: #f1f5f9;
            font-size: 1rem;
            margin-bottom: 1rem;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 2rem;
            color: #fbbf24;
        }
        .rating-stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .submit-btn {
            background: #10b981;
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: #059669;
        }
        .web-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
        }
        .web-link {
            background: #334155;
            padding: 1.2rem;
            border-radius: 8px;
            text-align: center;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            transform: translateY(-5px);
            background: #475569;
        }
        .web-link a {
            font-weight: 600;
            font-size: 1.05rem;
        }
        footer {
            background: #1e293b;
            padding: 2rem 0;
            text-align: center;
            border-top: 3px solid #334155;
        }
        .copyright {
            color: #94a3b8;
            font-size: 0.9rem;
            margin-top: 1rem;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-nav-toggle {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            h3 {
                font-size: 1.3rem;
            }
            article {
                padding: 1.5rem;
            }
            .user-engagement {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .search-form {
                flex-direction: column;
            }
            .search-form input, .search-form button {
                border-radius: 8px;
                width: 100%;
                margin-bottom: 0.5rem;
            }
        }