* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f1419;
            color: #e0e0e0;
            line-height: 1.7;
            max-width: 100%;
            overflow-x: hidden;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #74c0fc;
            text-decoration: underline;
        }
        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, #1a1f26 0%, #0f1419 100%);
            border-bottom: 2px solid #2a3b52;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ff6b6b, #4dabf7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            text-decoration: none;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: #b0b7c3;
            font-weight: 600;
            font-size: 1rem;
            padding: 0.5rem 0;
            position: relative;
        }
        nav a:hover {
            color: #fff;
            text-decoration: none;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4dabf7;
            transition: width 0.3s ease;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #b0b7c3;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #8a9aad;
            border-bottom: 1px solid #2a3b52;
        }
        .breadcrumb a {
            color: #8a9aad;
        }
        .search-container {
            margin: 2rem auto;
            max-width: 700px;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid #2a3b52;
            background: #1a1f26;
        }
        .search-input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1rem;
        }
        .search-button {
            background: linear-gradient(90deg, #2a3b52, #4dabf7);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s ease;
        }
        .search-button:hover {
            background: linear-gradient(90deg, #4dabf7, #2a3b52);
        }
        main {
            padding: 2rem 0;
        }
        article {
            background: #1a1f26;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: 2rem;
            border: 1px solid #2a3b52;
        }
        h1 {
            font-size: 3rem;
            color: #fff;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 5px solid #ff6b6b;
            padding-left: 1rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #4dabf7;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2a3b52;
        }
        h3 {
            font-size: 1.7rem;
            color: #b0b7c3;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #8a9aad;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(42,59,82,0.5), transparent);
            border-left: 4px solid #ff6b6b;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            margin: 2.5rem auto;
            text-align: center;
            border-radius: 10px;
            overflow: hidden;
            border: 2px solid #2a3b52;
        }
        .image-container img {
            width: 100%;
            height: auto;
            transition: transform 0.5s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-size: 0.9rem;
            color: #8a9aad;
            padding: 0.8rem;
            background: #141a21;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        li {
            margin-bottom: 0.5rem;
        }
        em {
            color: #ffd43b;
            font-style: italic;
        }
        strong {
            color: #fff;
            font-weight: 700;
        }
        .quote {
            font-size: 1.3rem;
            font-style: italic;
            color: #8a9aad;
            text-align: center;
            padding: 2rem;
            border-top: 2px solid #2a3b52;
            border-bottom: 2px solid #2a3b52;
            margin: 2.5rem 0;
        }
        .user-interaction {
            background: #141a21;
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
            border: 1px solid #2a3b52;
        }
        .interaction-title {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            color: #4dabf7;
        }
        .rating-form, .comment-form {
            display: grid;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.8rem;
            color: #ffd43b;
            cursor: pointer;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 1rem;
            background: #1a1f26;
            border: 1px solid #2a3b52;
            border-radius: 8px;
            color: #fff;
            font-size: 1rem;
        }
        button[type="submit"] {
            background: linear-gradient(90deg, #ff6b6b, #4dabf7);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            justify-self: start;
        }
        button[type="submit"]:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255,107,107,0.4);
        }
        footer {
            background: #141a21;
            border-top: 3px solid #2a3b52;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: #4dabf7;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #2a3b52;
            color: #8a9aad;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            nav ul { gap: 1rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #1a1f26;
                padding: 1rem;
                border-top: 2px solid #2a3b52;
                z-index: 999;
            }
            nav ul.active { display: flex; }
            .header-container { flex-wrap: wrap; }
            article { padding: 1.5rem; }
            .search-form { flex-direction: column; border-radius: 12px; }
            .search-input, .search-button { border-radius: 0; width: 100%; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.7rem; }
            .container { padding: 0 15px; }
        }