:root {
            --primary-green: #00a82d;
            --secondary-blue: #0055a5;
            --accent-gold: #ffcc00;
            --dark-bg: #0a0a0a;
            --light-bg: #f5f5f7;
            --text-dark: #222;
            --text-light: #eaeaea;
            --card-bg: #ffffff;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --border-radius: 12px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            line-height: 1.8;
            color: var(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        .site-header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1a2e 100%);
            color: var(--text-light);
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }
        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--accent-gold);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            text-transform: uppercase;
            letter-spacing: -0.5px;
            transition: var(--transition);
        }
        .my-logo:hover {
            color: #fff;
            transform: scale(1.03);
        }
        .my-logo i {
            color: var(--primary-green);
            font-size: 1.8rem;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a, .mobile-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 6px;
            transition: var(--transition);
            position: relative;
        }
        .nav-desktop a::after, .mobile-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            width: 0;
            height: 3px;
            background: var(--accent-gold);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }
        .nav-desktop a:hover, .mobile-nav a:hover {
            color: var(--accent-gold);
            background-color: rgba(255, 255, 255, 0.05);
        }
        .nav-desktop a:hover::after, .mobile-nav a:hover::after {
            width: 80%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 992px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            width: 100%;
            background-color: var(--dark-bg);
            padding: 1rem 2rem;
            border-top: 1px solid #333;
            margin-top: 1rem;
            gap: 1rem;
        }
        .mobile-nav.active {
            display: flex;
        }
        .breadcrumb {
            max-width: 1400px;
            margin: 1rem auto 0;
            padding: 0 2rem;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb a {
            color: var(--secondary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .main-container {
                grid-template-columns: 1fr;
                padding: 0 1rem;
            }
        }
        .article-content {
            background-color: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 3rem;
            box-shadow: var(--shadow);
        }
        @media (max-width: 768px) {
            .article-content {
                padding: 2rem 1.5rem;
            }
        }
        h1 {
            font-size: 3rem;
            color: var(--dark-bg);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 6px solid var(--primary-green);
            padding-left: 1.5rem;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
                padding-left: 1rem;
            }
        }
        h2 {
            font-size: 2.2rem;
            color: var(--secondary-blue);
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        h3 {
            font-size: 1.7rem;
            color: var(--dark-bg);
            margin: 2.5rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 2rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(0, 168, 45, 0.1) 0%, rgba(0, 85, 165, 0.1) 100%);
            border-left: 4px solid var(--primary-green);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .highlight strong {
            color: var(--secondary-blue);
            font-size: 1.2rem;
        }
        .img-container {
            margin: 2.5rem 0;
            text-align: center;
        }
        .feature-img {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .feature-img:hover {
            transform: translateY(-5px);
        }
        .caption {
            font-style: italic;
            color: #666;
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #777;
            font-size: 0.95rem;
            margin-bottom: 2rem;
            padding-bottom: 1rem;
            border-bottom: 1px solid #eee;
        }
        .update-time {
            color: var(--primary-green);
            font-weight: 600;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background-color: var(--card-bg);
            border-radius: var(--border-radius);
            padding: 2rem;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 1.5rem;
            margin-top: 0;
            color: var(--secondary-blue);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .widget h3 i {
            color: var(--accent-gold);
        }
        .search-form {
            display: flex;
            margin-top: 1rem;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid #ddd;
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
            transition: var(--transition);
        }
        .search-input:focus {
            outline: none;
            border-color: var(--primary-green);
        }
        .search-btn {
            background: linear-gradient(to right, var(--primary-green), var(--secondary-blue));
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .search-btn:hover {
            opacity: 0.9;
            transform: scale(1.03);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 2rem;
            color: #ddd;
            margin: 1rem 0;
            cursor: pointer;
            display: flex;
            justify-content: center;
            gap: 5px;
        }
        .stars i {
            transition: var(--transition);
        }
        .stars i:hover, .stars i.active {
            color: var(--accent-gold);
            transform: scale(1.2);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .form-input, .form-textarea {
            padding: 1rem;
            border: 2px solid #eee;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary-green);
        }
        .form-textarea {
            min-height: 120px;
            resize: vertical;
        }
        .form-btn {
            background-color: var(--secondary-blue);
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .form-btn:hover {
            background-color: var(--primary-green);
            transform: translateY(-2px);
        }
        .related-links {
            list-style: none;
            margin-top: 1rem;
        }
        .related-links li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed #eee;
        }
        .related-links a {
            color: var(--dark-bg);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .related-links a:hover {
            color: var(--primary-green);
            padding-left: 5px;
        }
        .related-links i {
            color: var(--accent-gold);
            font-size: 0.9rem;
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 4rem 2rem 2rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            color: var(--accent-gold);
            font-weight: bold;
            margin-bottom: 1rem;
        }
        .footer-section h4 {
            color: white;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-gold);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            padding: 1rem;
            margin-top: 1rem;
            border-left: 4px solid var(--primary-green);
        }
        friend-link a {
            color: var(--accent-gold) !important;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 1px solid #333;
            color: #999;
            font-size: 0.9rem;
        }
        .copyright a {
            color: var(--accent-gold);
            text-decoration: none;
        }
        .emoji {
            font-size: 1.2em;
            vertical-align: middle;
        }
        .bold-text {
            font-weight: 800;
            color: var(--secondary-blue);
        }
        .tag {
            display: inline-block;
            background-color: #eef7ff;
            color: var(--secondary-blue);
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            font-size: 0.85rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        @media (max-width: 768px) {
            html {
                font-size: 15px;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .site-header, .breadcrumb, .main-container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }