* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0f172a;
            color: #e2e8f0;
            line-height: 1.8;
            overflow-x: hidden;
        }
        a {
            color: #60a5fa;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #38bdf8;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
            padding: 1.5rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fbbf24;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: #f59e0b;
        }
        .my-logo:hover {
            color: #fcd34d;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 6px;
        }
        nav a:hover {
            background-color: rgba(96, 165, 250, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #fbbf24;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: #1e293b;
            padding: 1rem;
            border-radius: 10px;
            margin-top: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 0.8rem;
            border-bottom: 1px solid #334155;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #94a3b8;
        }
        .breadcrumb a:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #64748b;
        }
        .search-bar {
            margin: 2rem 0;
            text-align: center;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-form input {
            flex: 1;
            padding: 15px 20px;
            border: 2px solid #475569;
            border-radius: 50px 0 0 50px;
            background: #1e293b;
            color: white;
            font-size: 1rem;
        }
        .search-form button {
            background: linear-gradient(to right, #f59e0b, #fbbf24);
            color: #0f172a;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: bold;
            font-size: 1.1rem;
            transition: opacity 0.3s;
        }
        .search-form button:hover {
            opacity: 0.9;
        }
        main {
            padding: 2rem 0;
            min-height: 150vh;
        }
        article {
            background: #1e293b;
            border-radius: 15px;
            padding: 2.5rem;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
            margin-bottom: 3rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #fbbf24;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #38bdf8;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #475569;
        }
        h3 {
            font-size: 1.5rem;
            color: #60a5fa;
            margin: 1.8rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #93c5fd;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(245, 158, 11, 0.15);
            border-left: 5px solid #f59e0b;
            padding: 1.5rem;
            border-radius: 0 10px 10px 0;
            margin: 2rem 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 8px;
        }
        .feature-img {
            width: 100%;
            margin: 2rem 0;
            border: 3px solid #475569;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .link-card {
            background: #334155;
            padding: 1.2rem;
            border-radius: 10px;
            transition: transform 0.3s, background 0.3s;
        }
        .link-card:hover {
            transform: translateY(-5px);
            background: #475569;
        }
        .interactive-section {
            background: #1e293b;
            padding: 2rem;
            border-radius: 15px;
            margin-top: 3rem;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #64748b;
            cursor: pointer;
        }
        .stars .active {
            color: #fbbf24;
        }
        textarea, input[type="text"], input[type="email"] {
            padding: 15px;
            border-radius: 10px;
            border: 1px solid #475569;
            background: #0f172a;
            color: white;
            font-size: 1rem;
        }
        .btn-submit {
            background: linear-gradient(to right, #10b981, #34d399);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 10px;
            font-weight: bold;
            cursor: pointer;
            font-size: 1.1rem;
            align-self: flex-start;
            transition: opacity 0.3s;
        }
        .btn-submit:hover {
            opacity: 0.85;
        }
        footer {
            background: #1e293b;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-top: 3px solid #334155;
        }
        .footer-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background: #334155;
            border-radius: 8px;
            margin-bottom: 0.8rem;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: #475569;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #475569;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            article {
                padding: 1.5rem;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
        }