:root {
            --primary-color: #1a1a2e;
            --secondary-color: #16213e;
            --accent-color: #0fcc45;
            --accent-dark: #0daa3a;
            --text-primary: #e6e6e6;
            --text-secondary: #b3b3b3;
            --card-bg: #222831;
            --border-color: #393e46;
            --shadow: 0 10px 20px rgba(0, 0, 0, 0.19), 0 6px 6px rgba(0, 0, 0, 0.23);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--primary-color);
            background-image: radial-gradient(circle at 15% 50%, rgba(22, 33, 62, 0.9) 0%, transparent 20%), radial-gradient(circle at 85% 30%, rgba(15, 204, 69, 0.15) 0%, transparent 20%);
            background-attachment: fixed;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #ffffff;
            text-shadow: 0 0 8px rgba(15, 204, 69, 0.7);
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: rgba(22, 33, 62, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid var(--accent-color);
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Arial Black', 'Arial Bold', sans-serif;
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--accent-color) 0%, #4CC9F0 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
            text-transform: uppercase;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .my-logo span {
            color: #ffffff;
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1.1rem;
            position: relative;
            padding: 5px 0;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: width 0.3s ease;
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: transparent;
            border: none;
            padding: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: flex;
            }
        }
        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(6px, 6px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(6px, -6px);
        }
        .nav-mobile {
            position: fixed;
            top: 80px;
            left: 0;
            width: 100%;
            background-color: var(--secondary-color);
            flex-direction: column;
            padding: 20px;
            gap: 20px;
            transform: translateY(-100%);
            opacity: 0;
            transition: transform 0.4s ease, opacity 0.3s ease;
            display: flex;
            box-shadow: var(--shadow);
            z-index: 999;
        }
        .nav-mobile.active {
            transform: translateY(0);
            opacity: 1;
        }
        .nav-mobile a {
            font-size: 1.2rem;
            padding: 12px 20px;
            border-left: 4px solid transparent;
        }
        .nav-mobile a:hover {
            border-left-color: var(--accent-color);
            background-color: rgba(15, 204, 69, 0.1);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: rgba(34, 40, 49, 0.7);
            margin-bottom: 30px;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ul {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: var(--text-secondary);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--card-bg);
            border-radius: 15px;
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }
        .article-header {
            margin-bottom: 40px;
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 20px;
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
            background: linear-gradient(90deg, #ffffff, var(--accent-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
        }
        h2 {
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
            color: #ffffff;
        }
        h3 {
            font-size: 1.6rem;
            margin: 30px 0 15px;
            color: var(--accent-color);
        }
        h4 {
            font-size: 1.3rem;
            margin: 25px 0 10px;
            color: #4CC9F0;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.1rem;
        }
        .intro {
            font-size: 1.3rem;
            font-weight: 300;
            background-color: rgba(22, 33, 62, 0.5);
            padding: 25px;
            border-radius: 10px;
            border-left: 5px solid var(--accent-color);
            margin-bottom: 40px;
        }
        .highlight {
            background-color: rgba(15, 204, 69, 0.1);
            border-left: 4px solid var(--accent-color);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .featured-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 10px;
            margin: 30px 0;
            box-shadow: var(--shadow);
            border: 2px solid var(--border-color);
            transition: var(--transition);
        }
        .featured-image:hover {
            transform: scale(1.01);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-secondary);
            margin-top: -20px;
            margin-bottom: 30px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        .stat-card {
            background-color: var(--secondary-color);
            padding: 25px;
            border-radius: 10px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-color);
            box-shadow: 0 10px 20px rgba(15, 204, 69, 0.2);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent-color);
            line-height: 1;
            margin-bottom: 10px;
        }
        .stat-label {
            font-size: 1.1rem;
            color: var(--text-secondary);
        }
        .quote {
            font-size: 1.4rem;
            font-style: italic;
            padding: 40px;
            margin: 40px 0;
            background-color: rgba(34, 40, 49, 0.8);
            border-radius: 10px;
            position: relative;
            border-left: 5px solid #4CC9F0;
        }
        .quote::before {
            content: '"';
            font-size: 5rem;
            color: var(--accent-color);
            position: absolute;
            top: 10px;
            left: 20px;
            opacity: 0.3;
            font-family: Georgia, serif;
        }
        .quote-author {
            text-align: right;
            font-weight: bold;
            color: var(--accent-color);
            margin-top: 20px;
        }
        .content-link {
            display: inline-block;
            background-color: rgba(15, 204, 69, 0.15);
            padding: 3px 10px;
            border-radius: 4px;
            border: 1px solid rgba(15, 204, 69, 0.3);
            margin: 0 2px;
        }
        .content-link:hover {
            background-color: rgba(15, 204, 69, 0.3);
            border-color: var(--accent-color);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: var(--card-bg);
            border-radius: 15px;
            padding: 25px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }
        .widget-title {
            font-size: 1.4rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent-color);
            color: #ffffff;
        }
        .search-form {
            display: flex;
            margin-top: 15px;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px 15px;
            background-color: var(--secondary-color);
            border: 1px solid var(--border-color);
            border-right: none;
            border-radius: 8px 0 0 8px;
            color: var(--text-primary);
            font-size: 1rem;
            outline: none;
        }
        .search-input:focus {
            border-color: var(--accent-color);
        }
        .search-button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            border-radius: 0 8px 8px 0;
            padding: 0 20px;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: var(--accent-dark);
        }
        .rating-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 15px;
        }
        .stars {
            display: flex;
            gap: 5px;
            margin-bottom: 10px;
        }
        .star {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: gold;
            transform: scale(1.2);
        }
        .rating-form {
            width: 100%;
        }
        .rating-form input,
        .rating-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            background-color: var(--secondary-color);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 1rem;
        }
        .rating-form button {
            width: 100%;
            padding: 12px;
            background-color: var(--accent-color);
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: var(--accent-dark);
        }
        .comment-list {
            max-height: 400px;
            overflow-y: auto;
            margin-bottom: 20px;
        }
        .comment-item {
            padding: 15px;
            background-color: rgba(34, 40, 49, 0.7);
            border-radius: 8px;
            margin-bottom: 15px;
            border-left: 3px solid var(--border-color);
        }
        .comment-author {
            font-weight: bold;
            color: var(--accent-color);
            margin-bottom: 5px;
        }
        .comment-date {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 10px;
        }
        .comment-form textarea {
            width: 100%;
            min-height: 120px;
            padding: 15px;
            background-color: var(--secondary-color);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 1rem;
            margin-bottom: 15px;
            resize: vertical;
        }
        .site-footer {
            background-color: var(--secondary-color);
            margin-top: 60px;
            padding: 50px 0 30px;
            border-top: 2px solid var(--accent-color);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            font-size: 1.3rem;
            margin-bottom: 25px;
            color: #ffffff;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-section h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--accent-color);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-color);
            transform: translateX(5px);
        }
        friend-link {
            display: block;
            margin-top: 10px;
            font-style: italic;
            color: var(--text-secondary);
        }
        friend-link a {
            color: var(--accent-color);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .update-time {
            background-color: rgba(15, 204, 69, 0.1);
            padding: 15px;
            border-radius: 8px;
            text-align: center;
            margin-top: 40px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            border: 1px dashed var(--border-color);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .keyword {
            font-weight: bold;
            color: var(--accent-color);
        }
        .btn {
            display: inline-block;
            background-color: var(--accent-color);
            color: white;
            padding: 12px 25px;
            border-radius: 8px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn:hover {
            background-color: var(--accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(15, 204, 69, 0.3);
        }
        ::-webkit-scrollbar {
            width: 10px;
        }
        ::-webkit-scrollbar-track {
            background: var(--secondary-color);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--accent-color);
            border-radius: 5px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent-dark);
        }