* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f1a20;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #4db5ff;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #80d0ff;
            text-shadow: 0 0 8px rgba(77, 181, 255, 0.4);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, #1e5d7a, #2a8bb3);
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }
        .btn:hover {
            background: linear-gradient(135deg, #2a8bb3, #36a5d8);
            transform: translateY(-3px);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.4);
        }
        .section-padding {
            padding: 80px 0;
        }
        .site-header {
            background: rgba(15, 26, 32, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #1c3a47;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #ff9900, #ffcc00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo:hover {
            text-shadow: 2px 2px 8px rgba(255, 153, 0, 0.7);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: #b0bec5;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4db5ff;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after,
        .main-nav a.active::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #b0bec5;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 20px 0;
            font-size: 0.9rem;
            color: #8fa3ad;
        }
        .breadcrumb a {
            color: #8fa3ad;
        }
        .breadcrumb .separator {
            margin: 0 10px;
        }
        .hero {
            background: radial-gradient(circle at 30% 20%, #1a2e3a, #0f1a20);
            padding: 100px 0 60px;
            text-align: center;
            border-bottom: 1px solid #2a4555;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 25px;
            color: #ffffff;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0,0,0,0.7);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 40px;
            color: #c0cdd6;
        }
        .search-container {
            max-width: 700px;
            margin: 50px auto;
            padding: 25px;
            background: rgba(30, 45, 55, 0.7);
            border-radius: 12px;
            border: 1px solid #3a5a6d;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-form input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 1px solid #4a6c7d;
            border-radius: 8px;
            background: #1e2d35;
            color: #e0e0e0;
            font-size: 1rem;
        }
        .search-form input:focus {
            outline: none;
            border-color: #4db5ff;
            box-shadow: 0 0 0 3px rgba(77, 181, 255, 0.2);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 50px;
            padding: 40px 0;
        }
        .article-content {
            background: rgba(25, 38, 46, 0.7);
            border-radius: 12px;
            padding: 40px;
            border: 1px solid #2a4555;
        }
        .sidebar {
            background: rgba(25, 38, 46, 0.7);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid #2a4555;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1, h2, h3, h4 {
            color: #ffffff;
            margin-top: 2em;
            margin-bottom: 0.7em;
            line-height: 1.3;
        }
        h1 { font-size: 3.5rem; }
        h2 {
            font-size: 2.5rem;
            border-left: 5px solid #ff9900;
            padding-left: 15px;
            margin-top: 2.5em;
        }
        h3 { font-size: 1.8rem; color: #4db5ff; }
        h4 { font-size: 1.4rem; color: #80d0ff; }
        p {
            margin-bottom: 1.5em;
            font-size: 1.1rem;
            text-align: justify;
        }
        strong {
            color: #ffcc00;
            font-weight: 700;
        }
        em {
            color: #a3d9ff;
        }
        blockquote {
            border-left: 4px solid #ff9900;
            padding-left: 25px;
            margin: 30px 0;
            font-style: italic;
            color: #c0cdd6;
            background: rgba(42, 69, 85, 0.3);
            padding: 20px;
            border-radius: 0 8px 8px 0;
        }
        ul, ol {
            margin-bottom: 1.5em;
            padding-left: 2em;
        }
        li {
            margin-bottom: 0.5em;
        }
        .featured-image {
            width: 100%;
            border-radius: 10px;
            margin: 40px auto;
            border: 2px solid #3a5a6d;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #8fa3ad;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .interactive-section {
            background: rgba(30, 45, 55, 0.8);
            border-radius: 12px;
            padding: 30px;
            margin: 50px 0;
            border: 1px solid #3a5a6d;
        }
        .interactive-section h3 {
            margin-top: 0;
        }
        .rating-container, .comment-form {
            margin-top: 25px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
        }
        .star {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star.active,
        .star:hover,
        .star:hover ~ .star {
            color: #ffcc00;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #4a6c7d;
            border-radius: 8px;
            background: #1e2d35;
            color: #e0e0e0;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .site-footer {
            background: #0a1218;
            border-top: 2px solid #1c3a47;
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        .footer-section h4 {
            color: #ff9900;
            margin-bottom: 25px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            padding: 8px 15px;
            background: rgba(42, 69, 85, 0.5);
            border-radius: 6px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(42, 69, 85, 0.8);
        }
        .copyright {
            text-align: center;
            padding-top: 40px;
            margin-top: 40px;
            border-top: 1px solid #2a4555;
            color: #8fa3ad;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .sidebar {
                position: static;
            }
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            .hero h1 { font-size: 2.8rem; }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                position: fixed;
                top: 80px;
                left: -100%;
                flex-direction: column;
                background: rgba(15, 26, 32, 0.98);
                width: 100%;
                padding: 30px;
                transition: left 0.4s ease;
                border-top: 1px solid #1c3a47;
                gap: 0;
            }
            .main-nav ul.active {
                left: 0;
            }
            .main-nav li {
                margin-bottom: 20px;
            }
            .main-nav a {
                display: block;
                padding: 12px 0;
                border-bottom: 1px solid #2a4555;
            }
            .header-container {
                padding: 0 15px;
            }
            .search-form {
                flex-direction: column;
            }
            .section-padding {
                padding: 50px 0;
            }
            .article-content {
                padding: 25px;
            }
        }
        @media (max-width: 576px) {
            .hero h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .hero p { font-size: 1.1rem; }
        }
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeInUp 0.8s ease forwards;
        }