* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: linear-gradient(135deg, #0a0e17 0%, #1a2436 100%);
            background-attachment: fixed;
            min-height: 100vh;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #74c0fc;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: rgba(10, 14, 23, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #2a3a5a;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 1.8rem;
            background: linear-gradient(90deg, #00a8ff, #00ffaa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            background: none;
            border: none;
            padding: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: #4dabf7;
            margin: 4px 0;
            border-radius: 2px;
            transition: 0.3s;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            color: #c0c8d8;
            font-weight: 500;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #00a8ff;
            border-bottom-color: #00a8ff;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #8a9bb2;
        }
        .breadcrumb a {
            color: #8a9bb2;
        }
        .breadcrumb a:hover {
            color: #4dabf7;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: rgba(20, 27, 40, 0.8);
            border-radius: 12px;
            padding: 35px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #2a3a5a;
        }
        h1 {
            font-size: 2.8rem;
            color: #ffffff;
            margin-bottom: 20px;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0, 168, 255, 0.3);
        }
        h2 {
            font-size: 2rem;
            color: #00ffaa;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #2a3a5a;
        }
        h3 {
            font-size: 1.6rem;
            color: #4dabf7;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #74c0fc;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.2rem;
            background: rgba(0, 168, 255, 0.1);
            padding: 20px;
            border-left: 5px solid #00a8ff;
            border-radius: 5px;
            margin-bottom: 30px;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(0,168,255,0.2), transparent);
            padding: 15px;
            border-radius: 8px;
            margin: 25px 0;
            border-left: 4px solid #00ffaa;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 8px;
        }
        .last-updated {
            background: rgba(42, 58, 90, 0.5);
            padding: 10px 15px;
            border-radius: 8px;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 30px;
            color: #8a9bb2;
        }
        aside {
            background: rgba(20, 27, 40, 0.8);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid #2a3a5a;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: #00ffaa;
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }
        .link-list li:before {
            content: '▸';
            position: absolute;
            left: 0;
            color: #00a8ff;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            color: #c0c8d8;
            font-weight: 500;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            background: rgba(255,255,255,0.08);
            border: 1px solid #3a4a6a;
            border-radius: 6px;
            color: #e0e0e0;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #00a8ff;
            box-shadow: 0 0 0 2px rgba(0,168,255,0.2);
        }
        button, .btn {
            background: linear-gradient(90deg, #00a8ff, #0066cc);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: all 0.3s;
            display: inline-block;
        }
        button:hover, .btn:hover {
            background: linear-gradient(90deg, #00c3ff, #0088ff);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,168,255,0.4);
            text-decoration: none;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        .article-img {
            border-radius: 10px;
            overflow: hidden;
            margin: 30px auto;
            border: 2px solid #3a4a6a;
            box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            max-width: 800px;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #8a9bb2;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        site-footer {
            background: rgba(10, 14, 23, 0.95);
            border-top: 1px solid #2a3a5a;
            margin-top: 50px;
            padding: 40px 0 20px;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 30px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #00ffaa;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 15px;
        }
        friend-link {
            background: rgba(42, 58, 90, 0.5);
            padding: 8px 15px;
            border-radius: 6px;
            border: 1px solid #3a4a6a;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #2a3a5a;
            color: #8a9bb2;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
            .main-nav ul {
                flex-direction: column;
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                background: rgba(10, 14, 23, 0.98);
                backdrop-filter: blur(10px);
                padding: 20px;
                transition: left 0.5s ease;
                border-top: 1px solid #2a3a5a;
                gap: 0;
            }
            .main-nav ul.active {
                left: 0;
            }
            .main-nav li {
                margin: 10px 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            article, aside {
                padding: 20px;
            }
            .header-container {
                padding: 12px 0;
            }
        }