:root {
            --primary-dark: #0a192f;
            --secondary-dark: #112240;
            --accent-teal: #64ffda;
            --accent-light: #ccd6f6;
            --text-primary: #e6f1ff;
            --text-secondary: #8892b0;
            --danger: #ff6b6b;
            --warning: #feca57;
            --success: #1dd1a1;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 8px;
            --transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
            --shadow: 0 10px 30px -15px rgba(2, 12, 27, 0.7);
            --max-width: 1200px;
        }
        * {
            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: var(--text-primary);
            background: linear-gradient(135deg, var(--primary-dark) 0%, #020c1b 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-teal);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #fff;
            text-shadow: 0 0 8px rgba(100, 255, 218, 0.7);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .site-header {
            background-color: rgba(10, 25, 47, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(100, 255, 218, 0.1);
            padding: var(--spacing-sm) 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--accent-teal), #4dccc6);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -0.5px;
            text-transform: uppercase;
        }
        .my-logo:hover {
            transform: scale(1.03);
        }
        .main-nav {
            display: flex;
            gap: var(--spacing-md);
        }
        .main-nav a {
            font-weight: 500;
            padding: var(--spacing-xs) var(--spacing-sm);
            border-radius: var(--border-radius);
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 50%;
            background: var(--accent-teal);
            transition: var(--transition);
        }
        .main-nav a:hover::after {
            width: 80%;
            left: 10%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--accent-teal);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .breadcrumb {
            padding: var(--spacing-sm) 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            background-color: rgba(17, 34, 64, 0.5);
            margin-bottom: var(--spacing-md);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-teal);
        }
        .hero {
            text-align: center;
            padding: var(--spacing-lg) 0;
            background: radial-gradient(circle at 50% 50%, rgba(17, 34, 64, 0.8) 0%, transparent 70%);
            margin-bottom: var(--spacing-lg);
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: var(--spacing-sm);
            background: linear-gradient(90deg, #e6f1ff, var(--accent-teal));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            line-height: 1.1;
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto var(--spacing-md);
            color: var(--text-secondary);
        }
        .last-updated {
            display: inline-block;
            background-color: var(--secondary-dark);
            padding: 0.5rem 1rem;
            border-radius: 50px;
            font-size: 0.9rem;
            border: 1px solid rgba(100, 255, 218, 0.3);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        main article {
            background-color: rgba(17, 34, 64, 0.6);
            border-radius: var(--border-radius);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow);
            border: 1px solid rgba(100, 255, 218, 0.1);
        }
        article h2 {
            font-size: 2.5rem;
            margin-top: var(--spacing-lg);
            margin-bottom: var(--spacing-sm);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-teal);
            color: var(--accent-light);
        }
        article h3 {
            font-size: 1.8rem;
            margin-top: var(--spacing-md);
            margin-bottom: var(--spacing-sm);
            color: var(--accent-light);
        }
        article h4 {
            font-size: 1.4rem;
            margin-top: var(--spacing-sm);
            margin-bottom: var(--spacing-xs);
            color: var(--text-primary);
        }
        article p {
            margin-bottom: var(--spacing-sm);
            text-align: justify;
            color: var(--text-secondary);
            font-size: 1.1rem;
        }
        .highlight-box {
            background-color: rgba(100, 255, 218, 0.05);
            border-left: 4px solid var(--accent-teal);
            padding: var(--spacing-sm);
            margin: var(--spacing-md) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .featured-image {
            margin: var(--spacing-md) 0;
            text-align: center;
        }
        .featured-image figcaption {
            font-style: italic;
            color: var(--text-secondary);
            margin-top: var(--spacing-xs);
            font-size: 0.9rem;
        }
        .link-list {
            list-style: none;
            padding: var(--spacing-sm);
            background-color: rgba(10, 25, 47, 0.5);
            border-radius: var(--border-radius);
            margin: var(--spacing-md) 0;
        }
        .link-list li {
            padding: 0.5rem 0;
            border-bottom: 1px dashed rgba(136, 146, 176, 0.2);
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        aside {
            position: sticky;
            top: 120px;
            align-self: start;
        }
        .sidebar-widget {
            background-color: rgba(17, 34, 64, 0.8);
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            margin-bottom: var(--spacing-md);
            border: 1px solid rgba(100, 255, 218, 0.1);
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-bottom: var(--spacing-sm);
            color: var(--accent-teal);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .search-form {
            display: flex;
            margin-bottom: var(--spacing-sm);
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem;
            background-color: rgba(10, 25, 47, 0.7);
            border: 1px solid var(--text-secondary);
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            color: var(--text-primary);
        }
        .search-form button {
            background-color: var(--accent-teal);
            color: var(--primary-dark);
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #4dccc6;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            margin: var(--spacing-sm) 0;
            color: var(--warning);
            cursor: pointer;
        }
        .stars i {
            margin: 0 2px;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            min-height: 120px;
            padding: 0.8rem;
            background-color: rgba(10, 25, 47, 0.7);
            border: 1px solid var(--text-secondary);
            border-radius: var(--border-radius);
            color: var(--text-primary);
            margin-bottom: var(--spacing-sm);
            resize: vertical;
        }
        .form-group {
            margin-bottom: var(--spacing-sm);
        }
        .form-group label {
            display: block;
            margin-bottom: 0.3rem;
            color: var(--text-secondary);
        }
        .form-group input {
            width: 100%;
            padding: 0.8rem;
            background-color: rgba(10, 25, 47, 0.7);
            border: 1px solid var(--text-secondary);
            border-radius: var(--border-radius);
            color: var(--text-primary);
        }
        .btn-submit {
            background-color: var(--accent-teal);
            color: var(--primary-dark);
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            width: 100%;
            transition: var(--transition);
        }
        .btn-submit:hover {
            background-color: #4dccc6;
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(100, 255, 218, 0.2);
        }
        .site-footer {
            background-color: var(--primary-dark);
            padding: var(--spacing-lg) 0 var(--spacing-md);
            border-top: 1px solid rgba(100, 255, 218, 0.1);
            margin-top: var(--spacing-lg);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .footer-section h4 {
            color: var(--accent-teal);
            margin-bottom: var(--spacing-sm);
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background-color: rgba(17, 34, 64, 0.6);
            margin-bottom: 0.5rem;
            border-radius: var(--border-radius);
            border: 1px solid transparent;
            transition: var(--transition);
        }
        friend-link:hover {
            border-color: var(--accent-teal);
            background-color: rgba(17, 34, 64, 0.9);
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(136, 146, 176, 0.2);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--primary-dark);
                flex-direction: column;
                padding: var(--spacing-sm);
                box-shadow: 0 10px 20px rgba(2, 12, 27, 0.9);
                border-top: 1px solid rgba(100, 255, 218, 0.1);
            }
            .main-nav.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            article h2 {
                font-size: 2rem;
            }
            article h3 {
                font-size: 1.6rem;
            }
        }