:root {
            --primary: #5865F2;
            --primary-dark: #4752C4;
            --secondary: #57F287;
            --dark-bg: #36393F;
            --darker-bg: #2F3136;
            --light-bg: #40444B;
            --text-primary: #FFFFFF;
            --text-secondary: #B9BBBE;
            --text-muted: #72767D;
            --accent: #EB459E;
            --border: #202225;
            --shadow: rgba(0, 0, 0, 0.2);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--dark-bg);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: var(--secondary);
            text-decoration: none;
        }
        .my-logo i {
            font-size: 2rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: var(--text-secondary);
            font-weight: 600;
            padding: 8px 0;
            position: relative;
        }
        .main-nav a:hover {
            color: var(--text-primary);
            text-decoration: none;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            background-color: var(--darker-bg);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .hero {
            padding: 60px 0;
            background: linear-gradient(rgba(47, 49, 54, 0.9), rgba(47, 49, 54, 0.9)), url('https://images.unsplash.com/photo-1633265486064-086b219458ec?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
            background-size: cover;
            background-position: center;
            text-align: center;
            border-bottom: 1px solid var(--border);
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            color: var(--text-secondary);
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .search-container {
            max-width: 600px;
            margin: 30px auto 0;
        }
        .search-form {
            display: flex;
            background-color: var(--light-bg);
            border-radius: 50px;
            overflow: hidden;
            border: 2px solid transparent;
            transition: var(--transition);
        }
        .search-form:focus-within {
            border-color: var(--primary);
        }
        .search-input {
            flex: 1;
            padding: 15px 25px;
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--primary);
            color: white;
            border: none;
            padding: 0 30px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--primary-dark);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 0;
        }
        .article-content {
            background-color: var(--dark-bg);
            border-radius: 10px;
            padding: 40px;
            box-shadow: 0 10px 30px var(--shadow);
        }
        .sidebar {
            background-color: var(--dark-bg);
            border-radius: 10px;
            padding: 25px;
            box-shadow: 0 10px 30px var(--shadow);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            color: var(--secondary);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-bg);
        }
        .sidebar ul {
            list-style: none;
            margin-bottom: 30px;
        }
        .sidebar li {
            margin-bottom: 12px;
        }
        .sidebar a {
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px;
            border-radius: 5px;
            transition: var(--transition);
        }
        .sidebar a:hover {
            background-color: var(--light-bg);
            color: var(--text-primary);
            text-decoration: none;
            transform: translateX(5px);
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
            color: var(--text-primary);
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 40px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-bg);
            color: var(--primary);
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 30px;
            color: var(--secondary);
        }
        h4 {
            font-size: 1.4rem;
            margin-top: 25px;
            color: var(--accent);
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            color: var(--text-secondary);
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-primary);
            font-weight: 500;
        }
        .content-section {
            margin-bottom: 40px;
            padding-bottom: 30px;
            border-bottom: 1px solid var(--light-bg);
        }
        .content-section:last-of-type {
            border-bottom: none;
        }
        .highlight-box {
            background-color: var(--darker-bg);
            border-left: 4px solid var(--primary);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-item {
            background-color: var(--darker-bg);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px var(--shadow);
            border-color: var(--primary);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--secondary);
            display: block;
            line-height: 1;
            margin-bottom: 10px;
        }
        .stat-label {
            color: var(--text-muted);
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 30px auto;
            display: block;
            border: 2px solid var(--border);
            box-shadow: 0 15px 35px var(--shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.02);
            box-shadow: 0 20px 40px var(--shadow);
        }
        .image-caption {
            text-align: center;
            color: var(--text-muted);
            font-style: italic;
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .interactive-box {
            background: linear-gradient(145deg, var(--dark-bg), var(--darker-bg));
            border-radius: 10px;
            padding: 30px;
            margin: 40px 0;
            border: 1px solid var(--border);
            box-shadow: 0 10px 30px var(--shadow);
        }
        .interactive-box h3 {
            color: var(--accent);
            margin-top: 0;
        }
        .button {
            display: inline-block;
            background-color: var(--primary);
            color: white;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
            margin: 10px 5px;
        }
        .button:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px var(--shadow);
            text-decoration: none;
            color: white;
        }
        .button-secondary {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .button-secondary:hover {
            background-color: var(--primary);
            color: white;
        }
        .user-interaction {
            background-color: var(--darker-bg);
            border-radius: 10px;
            padding: 30px;
            margin: 50px 0;
            border: 1px solid var(--border);
        }
        .rating-system {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        .stars {
            display: flex;
            gap: 5px;
        }
        .star {
            color: var(--text-muted);
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: gold;
        }
        .comment-form textarea,
        .comment-form input {
            width: 100%;
            padding: 15px;
            margin-bottom: 15px;
            background-color: var(--light-bg);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text-primary);
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
            transition: var(--transition);
        }
        .comment-form textarea:focus,
        .comment-form input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(88, 101, 242, 0.2);
        }
        .site-footer {
            background-color: var(--darker-bg);
            border-top: 1px solid var(--border);
            padding: 50px 0 20px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--text-primary);
            margin-bottom: 25px;
            font-size: 1.3rem;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 12px;
        }
        .footer-section a {
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .footer-section a:hover {
            color: var(--primary);
            text-decoration: none;
            transform: translateX(5px);
        }
        friend-link {
            display: block;
            background-color: var(--dark-bg);
            padding: 15px;
            border-radius: 8px;
            margin: 15px 0;
            border-left: 4px solid var(--secondary);
        }
        friend-link a {
            color: var(--text-primary);
            font-weight: 600;
        }
        friend-link a:hover {
            color: var(--secondary);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .update-time {
            background-color: var(--darker-bg);
            padding: 15px;
            border-radius: 8px;
            margin: 30px 0;
            text-align: center;
            border: 1px dashed var(--border);
            color: var(--text-muted);
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--dark-bg);
                border-top: 1px solid var(--border);
                padding: 20px;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                box-shadow: 0 10px 30px var(--shadow);
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 15px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .hero {
                padding: 40px 0;
            }
            .article-content {
                padding: 25px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.6s ease forwards;
        }
        .text-center {
            text-align: center;
        }
        .text-primary {
            color: var(--primary);
        }
        .text-secondary {
            color: var(--secondary);
        }
        .mt-30 {
            margin-top: 30px;
        }
        .mb-30 {
            margin-bottom: 30px;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
        }
        .tip {
            background-color: rgba(87, 242, 135, 0.1);
            border-left: 4px solid var(--secondary);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .warning {
            background-color: rgba(235, 69, 158, 0.1);
            border-left: 4px solid var(--accent);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .quote {
            font-style: italic;
            color: var(--text-primary);
            border-left: 4px solid var(--primary);
            padding-left: 20px;
            margin: 25px 0;
            font-size: 1.2rem;
        }
        .quote-author {
            display: block;
            text-align: right;
            color: var(--text-muted);
            font-size: 1rem;
            margin-top: 10px;
        }