:root {
            --primary: #5865F2;
            --primary-dark: #4752C4;
            --secondary: #57F287;
            --dark-bg: #1e1f29;
            --content-bg: #2f3136;
            --text-light: #f6f6f7;
            --text-grey: #b9bbbe;
            --border: #40444b;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --border-radius: 8px;
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: var(--text-light);
            background-color: var(--dark-bg);
            overflow-x: hidden;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }
        .site-header {
            background-color: var(--content-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            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;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--secondary);
        }
        .my-logo:hover {
            color: var(--secondary);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: var(--spacing-md);
        }
        .main-nav a {
            color: var(--text-grey);
            font-weight: 500;
            padding: 0.5rem;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--text-light);
            background-color: rgba(88, 101, 242, 0.1);
            border-radius: var(--border-radius);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-light);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            background-color: rgba(0,0,0,0.2);
            padding: var(--spacing-xs) 0;
            font-size: 0.9rem;
            color: var(--text-grey);
        }
        .breadcrumb a {
            color: var(--text-grey);
        }
        .breadcrumb a:hover {
            color: var(--text-light);
        }
        .breadcrumb span {
            margin: 0 5px;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: var(--spacing-lg);
            padding: var(--spacing-lg) 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-area {
            background-color: var(--content-bg);
            border-radius: var(--border-radius);
            padding: var(--spacing-lg);
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }
        .sidebar-widget {
            background-color: var(--content-bg);
            border-radius: var(--border-radius);
            padding: var(--spacing-md);
            border-left: 4px solid var(--primary);
        }
        .sidebar-widget h3 {
            margin-bottom: var(--spacing-sm);
            color: var(--secondary);
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: var(--spacing-sm);
            color: var(--text-light);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--secondary);
            margin-bottom: var(--spacing-md);
            border-bottom: 3px solid var(--primary);
            padding-bottom: var(--spacing-sm);
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin-top: var(--spacing-lg);
        }
        h3 {
            font-size: 1.5rem;
            margin-top: var(--spacing-md);
        }
        h4 {
            font-size: 1.2rem;
            margin-top: var(--spacing-sm);
        }
        .article-intro {
            font-size: 1.2rem;
            background: rgba(88, 101, 242, 0.1);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin-bottom: var(--spacing-lg);
            border-left: 5px solid var(--secondary);
        }
        p {
            margin-bottom: var(--spacing-sm);
            color: var(--text-grey);
        }
        strong {
            color: var(--text-light);
            font-weight: 700;
        }
        .key-point {
            background: rgba(87, 242, 135, 0.1);
            border-left: 4px solid var(--secondary);
            padding: var(--spacing-sm);
            margin: var(--spacing-sm) 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tip-box {
            background: rgba(255, 185, 0, 0.1);
            border: 1px dashed #ffb900;
            padding: var(--spacing-sm);
            margin: var(--spacing-md) 0;
            border-radius: var(--border-radius);
        }
        .tip-box::before {
            content: "💡 Pro Tip: ";
            font-weight: bold;
            color: #ffb900;
        }
        .article-image {
            margin: var(--spacing-md) 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            font-size: 0.9rem;
            color: var(--text-grey);
            padding: var(--spacing-xs);
            background: rgba(0,0,0,0.2);
        }
        .search-widget {
            margin: var(--spacing-md) 0;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px;
            border: 2px solid var(--border);
            background: var(--dark-bg);
            color: var(--text-light);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-button {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-button:hover {
            background: var(--primary-dark);
        }
        .rating-widget {
            background: rgba(0,0,0,0.2);
            padding: var(--spacing-md);
            border-radius: var(--border-radius);
            margin: var(--spacing-lg) 0;
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ffd700;
            margin: var(--spacing-sm) 0;
            cursor: pointer;
        }
        .stars i {
            margin: 0 3px;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-md);
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-input, .form-textarea {
            padding: 12px;
            border: 2px solid var(--border);
            background: var(--dark-bg);
            color: var(--text-light);
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .form-submit {
            background: var(--secondary);
            color: #000;
            border: none;
            padding: 15px;
            border-radius: var(--border-radius);
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            align-self: flex-start;
        }
        .form-submit:hover {
            background: #4ad475;
            transform: translateY(-2px);
        }
        .site-footer {
            background-color: var(--content-bg);
            border-top: 1px solid var(--border);
            padding: var(--spacing-lg) 0;
            margin-top: var(--spacing-lg);
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: var(--spacing-lg);
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: var(--secondary);
            margin-bottom: var(--spacing-md);
        }
        friend-link {
            display: block;
            margin-bottom: 8px;
            color: var(--text-grey);
        }
        friend-link a {
            color: var(--text-grey);
        }
        friend-link a:hover {
            color: var(--primary);
        }
        .copyright {
            text-align: center;
            padding-top: var(--spacing-md);
            margin-top: var(--spacing-md);
            border-top: 1px solid var(--border);
            color: var(--text-grey);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .main-nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--content-bg);
                flex-direction: column;
                padding: var(--spacing-sm);
                border-top: 1px solid var(--border);
                box-shadow: 0 10px 20px rgba(0,0,0,0.3);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .article-area {
                padding: var(--spacing-md);
            }
            .footer-content {
                flex-direction: column;
            }
        }
        .last-updated {
            font-size: 0.9rem;
            color: var(--text-grey);
            text-align: right;
            margin-bottom: var(--spacing-sm);
            font-style: italic;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .internal-link {
            background: rgba(88, 101, 242, 0.15);
            padding: 2px 6px;
            border-radius: 4px;
        }
        .internal-link:hover {
            background: rgba(88, 101, 242, 0.25);
        }