* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0a0e17;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #29b6f6;
            text-decoration: underline;
        }
        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(79,195,247,0.15) 0%, rgba(41,182,246,0.05) 100%);
            border-left: 4px solid #29b6f6;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        .site-header {
            background: linear-gradient(135deg, #0d1525 0%, #0a0e17 100%);
            border-bottom: 1px solid #1c2b3a;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 1rem 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(90deg, #00bcd4, #4fc3f7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 900;
            letter-spacing: 1px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            text-decoration: none;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            color: #b0bec5;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .desktop-nav a:hover {
            color: #4fc3f7;
            text-decoration: none;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: #4fc3f7;
            transition: width 0.3s ease;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #4fc3f7;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #0d1525;
            border-top: 1px solid #1c2b3a;
            padding: 1rem 0;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            padding: 0 20px;
        }
        .mobile-nav a {
            display: block;
            padding: 0.8rem;
            color: #b0bec5;
            border-bottom: 1px solid #1c2b3a;
            font-weight: 600;
        }
        .mobile-nav a:hover {
            background-color: #1a2639;
            color: #4fc3f7;
            border-radius: 5px;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #0f1727;
            font-size: 0.9rem;
            color: #90a4ae;
        }
        .breadcrumb a {
            color: #90a4ae;
        }
        .breadcrumb a:hover {
            color: #4fc3f7;
        }
        .breadcrumb span {
            margin: 0 0.5rem;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: rgba(13, 21, 37, 0.7);
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
        }
        .article-header {
            margin-bottom: 2.5rem;
            border-bottom: 2px solid #1c2b3a;
            padding-bottom: 1.5rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #ffffff;
            margin-bottom: 1rem;
            line-height: 1.2;
            background: linear-gradient(90deg, #ffffff, #4fc3f7);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        h2 {
            font-size: 2.2rem;
            color: #4fc3f7;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #2a3c52;
        }
        h3 {
            font-size: 1.8rem;
            color: #81d4fa;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #b3e5fc;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #cfd8dc;
        }
        .article-img {
            margin: 2.5rem auto;
            max-width: 900px;
            box-shadow: 0 5px 15px rgba(0, 188, 212, 0.2);
            border: 1px solid #2a3c52;
        }
        .article-img figcaption {
            text-align: center;
            font-style: italic;
            color: #90a4ae;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        ul, ol {
            margin-left: 1.5rem;
            margin-bottom: 1.5rem;
            color: #cfd8dc;
        }
        li {
            margin-bottom: 0.5rem;
        }
        strong {
            color: #ffffff;
            font-weight: 700;
        }
        em {
            color: #b3e5fc;
        }
        .sidebar {
            background: rgba(13, 21, 37, 0.7);
            border-radius: 12px;
            padding: 2rem;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .widget {
            margin-bottom: 2.5rem;
        }
        .widget-title {
            font-size: 1.4rem;
            color: #4fc3f7;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #2a3c52;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-control {
            width: 100%;
            padding: 0.9rem 1rem;
            background-color: #1a2639;
            border: 1px solid #37474f;
            border-radius: 6px;
            color: #ffffff;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #4fc3f7;
            box-shadow: 0 0 0 2px rgba(79, 195, 247, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            padding: 0.9rem 2rem;
            background: linear-gradient(90deg, #00838f, #00bcd4);
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(90deg, #006064, #00838f);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 188, 212, 0.4);
            text-decoration: none;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin-bottom: 1rem;
            font-size: 1.8rem;
            color: #37474f;
            cursor: pointer;
        }
        .rating-stars .star {
            transition: color 0.2s;
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: #ffca28;
        }
        .site-footer {
            background: #0a0e17;
            border-top: 1px solid #1c2b3a;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: #4fc3f7;
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            margin-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background: #1a2639;
            border-radius: 6px;
            margin-bottom: 0.8rem;
            border-left: 3px solid #00bcd4;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: #26344a;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #1c2b3a;
            color: #90a4ae;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-menu-btn { display: block; }
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .article-content { padding: 1.5rem; }
            .sidebar { position: static; }
        }