* {
            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;
            background-image: linear-gradient(to bottom, #0c1519 0%, #15232b 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4da8da;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #7bc5f0;
            text-shadow: 0 0 8px rgba(77, 168, 218, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-2 { margin-top: 2rem; }
        .p-2 { padding: 2rem; }
        .highlight {
            background: linear-gradient(90deg, rgba(255,215,0,0.15) 0%, rgba(255,140,0,0.15) 100%);
            border-left: 4px solid #ff8c00;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 1.5rem 0;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, #2a5298, #1e3c72);
            color: white;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(42, 82, 152, 0.4);
            background: linear-gradient(135deg, #3a62a8, #2e4c82);
        }
        .site-header {
            background-color: rgba(10, 25, 34, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #1c3a4d;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #ff9900, #ff3300);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: #ff9900;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1.1rem;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: #ff9900;
            transition: width 0.3s;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #e0e0e0;
            font-size: 1.8rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .nav-mobile {
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            background-color: #0a1922;
            border-top: 1px solid #1c3a4d;
            padding: 2rem;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: all 0.4s ease;
            z-index: 999;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .nav-mobile.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .nav-mobile a {
            display: block;
            padding: 1rem 0;
            border-bottom: 1px solid #1c3a4d;
            font-size: 1.2rem;
            font-weight: 600;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #15232b;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #4da8da;
        }
        .breadcrumb span {
            color: #ff9900;
        }
        .main-content {
            flex: 1;
            padding: 3rem 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding: 2rem;
            background: radial-gradient(circle at center, #1a2f3d 0%, #0f1a20 100%);
            border-radius: 15px;
            border: 1px solid #2a4455;
        }
        h1 {
            font-size: 3.2rem;
            color: #ffcc00;
            margin-bottom: 1rem;
            text-shadow: 0 2px 10px rgba(255, 204, 0, 0.3);
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
        }
        .article-meta {
            color: #aaa;
            font-style: italic;
            margin-top: 1rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        .article-body h2 {
            font-size: 2.5rem;
            color: #4da8da;
            margin: 2.5rem 0 1.5rem;
            border-bottom: 2px solid #2a4455;
            padding-bottom: 0.5rem;
        }
        .article-body h3 {
            font-size: 1.8rem;
            color: #ff9900;
            margin: 2rem 0 1rem;
        }
        .article-body h4 {
            font-size: 1.4rem;
            color: #7bc5f0;
            margin: 1.5rem 0 1rem;
        }
        .article-body p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-body ul, .article-body ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        .article-body li {
            margin-bottom: 0.8rem;
        }
        .featured-image {
            margin: 2rem 0;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
            border: 3px solid #2a5298;
        }
        .sidebar {
            background-color: #15232b;
            border-radius: 10px;
            padding: 2rem;
            border: 1px solid #2a4455;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            color: #ffcc00;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #2a4455;
        }
        .search-form input, .comment-form input, .comment-form textarea, .rating-form select {
            width: 100%;
            padding: 0.9rem;
            margin-bottom: 1rem;
            border-radius: 8px;
            border: 1px solid #2a4455;
            background-color: #0f1a20;
            color: #e0e0e0;
        }
        .search-form button, .comment-form button, .rating-form button {
            width: 100%;
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffcc00;
        }
        .related-links a {
            display: block;
            padding: 0.8rem 1rem;
            margin-bottom: 0.8rem;
            background-color: #1a2f3d;
            border-radius: 6px;
            border-left: 4px solid #4da8da;
            transition: all 0.3s;
        }
        .related-links a:hover {
            background-color: #2a4455;
            transform: translateX(5px);
        }
        .site-footer {
            background-color: #0a1922;
            border-top: 2px solid #1c3a4d;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
            padding: 1.5rem;
            background-color: #15232b;
            border-radius: 10px;
            width: 100%;
        }
        friend-link a {
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            color: #888;
            font-size: 0.9rem;
            border-top: 1px solid #2a4455;
            padding-top: 1.5rem;
            width: 100%;
        }
        .interactive-section {
            background: linear-gradient(135deg, #1a2f3d, #0c1519);
            padding: 2rem;
            border-radius: 15px;
            margin: 3rem 0;
            border: 1px solid #2a5298;
            box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
        }
        .tab-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 2rem;
        }
        .tab-btn {
            padding: 0.8rem 1.5rem;
            background-color: #2a4455;
            border: none;
            border-radius: 8px;
            color: #e0e0e0;
            cursor: pointer;
            transition: all 0.3s;
        }
        .tab-btn.active {
            background-color: #4da8da;
            color: #0f1a20;
            font-weight: bold;
        }
        .tab-content {
            display: none;
        }
        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s;
        }
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 15px; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .article-body p { font-size: 1rem; }
            .sidebar { position: static; }
        }