* {
            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;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #74c0fc;
            text-shadow: 0 0 8px rgba(116, 192, 252, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .highlight { color: #ffd43b; font-weight: bold; }
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, #1c7ed6, #4dabf7);
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(28, 126, 214, 0.3);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(28, 126, 214, 0.5);
            background: linear-gradient(90deg, #1864ab, #339af0);
        }
        header {
            background-color: rgba(15, 20, 25, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #2d3748;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(to right, #ff6b6b, #ffa94d, #51cf66, #4dabf7);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo a:hover {
            filter: brightness(1.2);
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 5px;
            position: relative;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4dabf7;
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 5px;
        }
        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: #e0e0e0;
            border-radius: 2px;
            transition: 0.3s;
        }
        .nav-mobile {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background-color: rgba(15, 20, 25, 0.98);
            border-top: 1px solid #2d3748;
            padding: 20px;
            flex-direction: column;
            gap: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 12px 15px;
            border-left: 3px solid #4dabf7;
            background-color: rgba(255,255,255,0.03);
            border-radius: 0 5px 5px 0;
        }
        .breadcrumb {
            background-color: #1a202c;
            padding: 12px 0;
            font-size: 0.9rem;
            border-bottom: 1px solid #2d3748;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #718096;
        }
        main {
            flex: 1;
            padding: 40px 0;
        }
        article {
            background-color: #1a202c;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(90deg, #ffa94d, #ff6b6b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: #51cf66;
            margin-top: 3rem;
            margin-bottom: 1.5rem;
            padding-bottom: 10px;
            border-bottom: 2px solid #2d3748;
        }
        h3 {
            font-size: 1.8rem;
            color: #4dabf7;
            margin-top: 2.5rem;
            margin-bottom: 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #ffd43b;
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.3rem;
            color: #adb5bd;
            border-left: 4px solid #ff6b6b;
            padding-left: 20px;
            margin-bottom: 3rem;
        }
        .featured-img {
            width: 100%;
            max-height: 600px;
            object-fit: cover;
            margin: 3rem auto;
            border: 2px solid #4dabf7;
            box-shadow: 0 0 30px rgba(77, 171, 247, 0.3);
        }
        blockquote {
            border-left: 5px solid #ffa94d;
            padding-left: 25px;
            margin: 2.5rem 0;
            font-style: italic;
            color: #b2bec3;
            background-color: rgba(255, 169, 77, 0.05);
            padding: 25px;
            border-radius: 0 10px 10px 0;
        }
        ul, ol {
            margin-left: 2rem;
            margin-bottom: 1.8rem;
        }
        li {
            margin-bottom: 0.8rem;
        }
        .module {
            background: linear-gradient(145deg, #212837, #1a202c);
            border-radius: 12px;
            padding: 30px;
            margin: 3rem 0;
            border: 1px solid #374151;
            box-shadow: 0 8px 25px rgba(0,0,0,0.4);
        }
        .module h3 {
            margin-top: 0;
            color: #ffa94d;
        }
        .search-box, .comment-box, .rating-box {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 20px;
        }
        .search-box input, .comment-box textarea, .comment-box input {
            flex: 1 1 300px;
            padding: 15px;
            background-color: #2d3748;
            border: 1px solid #4a5568;
            border-radius: 8px;
            color: white;
            font-size: 1rem;
        }
        .comment-box textarea {
            min-height: 150px;
            resize: vertical;
            width: 100%;
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #4a5568;
            cursor: pointer;
            margin-bottom: 20px;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #ffd43b;
        }
        footer {
            background-color: #0f1419;
            border-top: 1px solid #2d3748;
            padding: 50px 0 30px;
            margin-top: auto;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #74c0fc;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            padding: 8px 15px;
            background-color: rgba(255,255,255,0.03);
            border-radius: 6px;
            transition: background-color 0.3s;
        }
        friend-link:hover {
            background-color: rgba(77, 171, 247, 0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #2d3748;
            color: #718096;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .nav-desktop { display: none; }
            .hamburger { display: flex; }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            article { padding: 25px; }
            .module { padding: 20px; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            .intro { font-size: 1.1rem; }
            .btn { padding: 10px 20px; }
            .footer-content { grid-template-columns: 1fr; }
        }