* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #5865F2;
            --primary-dark: #4752C4;
            --secondary: #57F287;
            --dark: #23272A;
            --darker: #1a1d21;
            --light: #F6F6F6;
            --gray: #99AAB5;
            --danger: #ED4245;
            --warning: #FEE75C;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --radius: 8px;
            --container-width: 1200px;
            --header-height: 70px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.7;
            color: var(--light);
            background-color: var(--darker);
            overflow-x: hidden;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #ffffff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .text-primary { color: var(--primary); }
        .bg-dark { background-color: var(--dark); }
        .bg-darker { background-color: var(--darker); }
        .py-1 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .py-3 { padding-top: 3rem; padding-bottom: 3rem; }
        .my-2 { margin-top: 2rem; margin-bottom: 2rem; }
        .my-3 { margin-top: 3rem; margin-bottom: 3rem; }
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--dark);
            border-bottom: 2px solid var(--primary);
            height: var(--header-height);
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--secondary);
        }
        .my-logo i {
            color: var(--primary);
        }
        .nav-desktop {
            display: flex;
            gap: 1.5rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            color: var(--light);
            font-weight: 500;
            padding: 8px 12px;
            border-radius: var(--radius);
        }
        .nav-link:hover {
            background-color: rgba(88, 101, 242, 0.1);
            text-decoration: none;
        }
        .nav-link.active {
            background-color: var(--primary);
            color: white;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 10px;
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
        }
        .mobile-menu {
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            background-color: var(--dark);
            padding: 20px;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow);
            z-index: 999;
        }
        .mobile-menu.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .breadcrumb {
            background-color: rgba(0, 0, 0, 0.2);
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin-left: 10px;
            color: var(--gray);
        }
        .main-content {
            min-height: calc(100vh - 400px);
            padding: 3rem 0;
        }
        .article-header {
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 2px solid var(--primary);
        }
        .article-title {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: white;
        }
        @media (max-width: 768px) {
            .article-title {
                font-size: 2rem;
            }
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .last-updated {
            background-color: rgba(87, 242, 135, 0.1);
            padding: 8px 15px;
            border-radius: var(--radius);
        }
        .article-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1024px) {
            .article-content {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            font-size: 1.1rem;
        }
        .article-body h1 {
            font-size: 2.5rem;
            margin: 2.5rem 0 1.5rem;
            color: white;
        }
        .article-body h2 {
            font-size: 2rem;
            margin: 2rem 0 1rem;
            color: var(--secondary);
            padding-bottom: 0.5rem;
            border-bottom: 1px solid rgba(87, 242, 135, 0.3);
        }
        .article-body h3 {
            font-size: 1.5rem;
            margin: 1.5rem 0 1rem;
            color: var(--primary);
        }
        .article-body h4 {
            font-size: 1.2rem;
            margin: 1.2rem 0 0.8rem;
            color: var(--warning);
        }
        .article-body p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-body strong {
            color: var(--secondary);
            font-weight: 600;
        }
        .article-body em {
            color: var(--warning);
            font-style: italic;
        }
        .highlight-box {
            background-color: rgba(88, 101, 242, 0.1);
            border-left: 4px solid var(--primary);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--radius) var(--radius) 0;
        }
        .featured-image {
            margin: 2.5rem 0;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            padding: 10px;
            background-color: rgba(0, 0, 0, 0.3);
        }
        .sidebar {
            position: sticky;
            top: calc(var(--header-height) + 30px);
            height: fit-content;
        }
        .sidebar-widget {
            background-color: var(--dark);
            border-radius: var(--radius);
            padding: 1.5rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .sidebar-title {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid var(--primary);
            border-radius: var(--radius) 0 0 var(--radius);
            background-color: rgba(255, 255, 255, 0.05);
            color: white;
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--primary-dark);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--warning);
            transform: scale(1.1);
        }
        .rating-submit {
            background-color: var(--secondary);
            color: var(--dark);
            border: none;
            padding: 10px 20px;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .rating-submit:hover {
            background-color: #46d674;
            transform: translateY(-2px);
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid var(--gray);
            border-radius: var(--radius);
            background-color: rgba(255, 255, 255, 0.05);
            color: white;
            font-size: 1rem;
            margin-bottom: 1rem;
            min-height: 150px;
            resize: vertical;
        }
        .comment-submit {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: var(--radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .comment-submit:hover {
            background-color: var(--primary-dark);
        }
        .toc {
            background-color: rgba(0, 0, 0, 0.2);
            border-radius: var(--radius);
            padding: 1.5rem;
        }
        .toc-list {
            list-style: none;
            margin-left: 1rem;
        }
        .toc-list li {
            margin-bottom: 0.8rem;
        }
        .toc-list a {
            color: var(--light);
            display: block;
            padding: 5px 10px;
            border-radius: 4px;
        }
        .toc-list a:hover {
            background-color: rgba(88, 101, 242, 0.2);
            text-decoration: none;
        }
        .related-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 3rem 0;
        }
        .link-card {
            background-color: var(--dark);
            border-radius: var(--radius);
            padding: 1.5rem;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .link-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        .link-card h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: var(--secondary);
        }
        .footer {
            background-color: #0f1113;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 2px solid var(--primary);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: var(--secondary);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        friend-link {
            display: inline-block;
            background-color: rgba(88, 101, 242, 0.1);
            padding: 8px 15px;
            border-radius: var(--radius);
            margin-right: 10px;
            margin-bottom: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--gray);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                padding: 0 15px;
            }
            .article-title {
                font-size: 2rem;
            }
            .article-body h1 {
                font-size: 1.8rem;
            }
            .article-body h2 {
                font-size: 1.6rem;
            }
            .article-body h3 {
                font-size: 1.3rem;
            }
            .related-links {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .pro-tip {
            background: linear-gradient(135deg, rgba(87, 242, 135, 0.1), transparent);
            border: 1px solid var(--secondary);
        }
        .warning-note {
            background: linear-gradient(135deg, rgba(254, 231, 92, 0.1), transparent);
            border: 1px solid var(--warning);
        }
        .security-alert {
            background: linear-gradient(135deg, rgba(237, 66, 69, 0.1), transparent);
            border: 1px solid var(--danger);
        }