* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-red: #E53935;
            --primary-blue: #1E88E5;
            --primary-yellow: #FFD600;
            --primary-green: #43A047;
            --primary-black: #212121;
            --primary-white: #FFFFFF;
            --secondary-gray: #757575;
            --light-gray: #F5F5F5;
            --accent-purple: #8E24AA;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 12px;
            --container-width: 1200px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--primary-black);
            background-color: #f9f9f9;
            overflow-x: hidden;
        }
        h1, h2, h3, h4, h5, h6 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1.5rem;
            color: var(--primary-black);
        }
        h1 {
            font-size: clamp(2.5rem, 5vw, 3.8rem);
            background: linear-gradient(135deg, var(--primary-red), var(--primary-blue));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 2rem;
            position: relative;
            padding-bottom: 1rem;
        }
        h1::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100px;
            height: 6px;
            background: linear-gradient(to right, var(--primary-red), var(--primary-yellow), var(--primary-green), var(--primary-blue));
            border-radius: 3px;
        }
        h2 {
            font-size: clamp(1.8rem, 4vw, 2.5rem);
            color: var(--primary-blue);
            border-left: 5px solid var(--primary-red);
            padding-left: 1rem;
            margin-top: 3rem;
        }
        h3 {
            font-size: clamp(1.4rem, 3vw, 1.8rem);
            color: var(--primary-green);
            margin-top: 2.5rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--secondary-gray);
            margin-top: 2rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
            border-bottom: 1px dotted transparent;
        }
        a:hover {
            color: var(--primary-red);
            border-bottom-color: var(--primary-red);
        }
        strong {
            color: var(--primary-red);
            font-weight: 700;
        }
        em {
            color: var(--primary-green);
            font-style: italic;
        }
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        header {
            background: linear-gradient(135deg, var(--primary-black) 0%, #424242 100%);
            color: var(--primary-white);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(to right, var(--primary-red), var(--primary-yellow), var(--primary-green), var(--primary-blue));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .my-logo i {
            font-size: 2.5rem;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .nav-list {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-list a {
            color: var(--primary-white);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
            border-bottom: none;
        }
        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--primary-red);
            transition: var(--transition);
        }
        .nav-list a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--primary-white);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .search-container {
            margin-left: 2rem;
        }
        .search-form {
            display: flex;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            overflow: hidden;
            padding: 0.3rem;
        }
        .search-input {
            background: transparent;
            border: none;
            padding: 0.5rem 1rem;
            color: var(--primary-white);
            width: 200px;
            font-size: 1rem;
        }
        .search-input::placeholder {
            color: rgba(255, 255, 255, 0.7);
        }
        .search-button {
            background: var(--primary-red);
            border: none;
            color: white;
            padding: 0.5rem 1.2rem;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background: #C62828;
            transform: scale(1.05);
        }
        .breadcrumb {
            background: var(--light-gray);
            padding: 1rem 0;
            border-bottom: 1px solid #e0e0e0;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
            font-size: 0.9rem;
        }
        .breadcrumb-item:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: var(--secondary-gray);
        }
        .breadcrumb-item a {
            color: var(--secondary-gray);
        }
        .breadcrumb-item.active a {
            color: var(--primary-black);
            font-weight: 600;
        }
        main {
            padding: 3rem 0;
            background: var(--primary-white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin-top: 1rem;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 0;
            border-bottom: 2px dashed var(--light-gray);
            margin-bottom: 2rem;
            font-size: 0.9rem;
            color: var(--secondary-gray);
        }
        .update-time {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .update-time i {
            color: var(--primary-green);
        }
        .featured-image {
            width: 100%;
            border-radius: var(--border-radius);
            overflow: hidden;
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }
        .featured-image:hover img {
            transform: scale(1.02);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--secondary-gray);
            padding: 0.5rem;
            font-size: 0.9rem;
            border-top: 1px solid var(--light-gray);
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #E3F2FD, #F3E5F5);
            border-left: 5px solid var(--accent-purple);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            box-shadow: var(--shadow);
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-item {
            background: var(--primary-white);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--shadow);
            border-top: 5px solid var(--primary-blue);
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-5px);
            border-top-color: var(--primary-red);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary-blue);
            display: block;
            line-height: 1;
            margin-bottom: 0.5rem;
        }
        .stat-label {
            font-size: 1rem;
            color: var(--secondary-gray);
        }
        .sidebar {
            background: var(--light-gray);
            padding: 2rem;
            border-radius: var(--border-radius);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-title {
            font-size: 1.3rem;
            color: var(--primary-black);
            padding-bottom: 0.5rem;
            border-bottom: 3px solid var(--primary-red);
            margin-bottom: 1.5rem;
        }
        .related-links {
            list-style: none;
        }
        .related-links li {
            margin-bottom: 1rem;
            padding-bottom: 1rem;
            border-bottom: 1px dashed #ddd;
        }
        .related-links a {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            color: var(--primary-black);
            font-weight: 500;
        }
        .related-links a:hover {
            color: var(--primary-red);
        }
        .related-links i {
            color: var(--primary-blue);
            font-size: 0.9rem;
        }
        .interactive-section {
            background: var(--light-gray);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            margin: 3rem 0;
        }
        .rating-container, .comment-container {
            margin-bottom: 3rem;
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #FFD600;
        }
        .rating-stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-stars i:hover {
            transform: scale(1.2);
            color: #FFAB00;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--primary-black);
        }
        .form-input, .form-textarea {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 2px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
        }
        .form-input:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(30, 136, 229, 0.2);
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .form-submit {
            background: linear-gradient(to right, var(--primary-blue), var(--primary-green));
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-top: 1rem;
        }
        .form-submit:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(30, 136, 229, 0.3);
        }
        footer {
            background: var(--primary-black);
            color: var(--primary-white);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-section h3 {
            color: var(--primary-white);
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
            border-left: 4px solid var(--primary-red);
            padding-left: 0.8rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        .footer-links a {
            color: #BDBDBD;
            display: flex;
            align-items: center;
            gap: 0.8rem;
            border-bottom: none;
        }
        .footer-links a:hover {
            color: var(--primary-white);
            padding-left: 5px;
        }
        .footer-links i {
            font-size: 0.8rem;
            color: var(--primary-red);
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 1.5rem 0;
            border-left: 4px solid var(--primary-blue);
        }
        friend-link a {
            color: var(--primary-white);
            font-weight: 600;
            font-size: 1.1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #BDBDBD;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 1rem;
            }
            .main-nav {
                width: 100%;
                justify-content: space-between;
            }
            .nav-list {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background: var(--primary-black);
                flex-direction: column;
                align-items: center;
                padding: 2rem;
                gap: 1.5rem;
                transform: translateY(-100%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                z-index: 999;
                box-shadow: 0 10px 20px rgba(0,0,0,0.2);
            }
            .nav-list.active {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .hamburger {
                display: block;
            }
            .search-container {
                margin-left: 0;
                width: 100%;
                margin-top: 1rem;
            }
            .search-input {
                width: 100%;
            }
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .stat-grid {
                grid-template-columns: 1fr;
            }
            .interactive-section {
                padding: 1.5rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-1 { margin-top: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-3 { margin-top: 3rem; }
        .py-2 { padding-top: 2rem; padding-bottom: 2rem; }
        .emoji { font-size: 1.2rem; }
        .uno-card {
            display: inline-block;
            width: 60px;
            height: 90px;
            border-radius: 8px;
            margin: 0 5px;
            font-weight: bold;
            text-align: center;
            line-height: 90px;
            color: white;
            box-shadow: 0 3px 6px rgba(0,0,0,0.2);
            transition: var(--transition);
        }
        .uno-card:hover {
            transform: translateY(-5px) rotate(3deg);
            box-shadow: 0 8px 15px rgba(0,0,0,0.3);
        }
        .card-red { background: var(--primary-red); }
        .card-blue { background: var(--primary-blue); }
        .card-yellow { background: #F9A825; }
        .card-green { background: var(--primary-green); }
        .card-black { background: var(--primary-black); }
        .player-quote {
            background: white;
            border-radius: var(--border-radius);
            padding: 2rem;
            margin: 2rem 0;
            box-shadow: var(--shadow);
            border-left: 5px solid var(--primary-yellow);
            position: relative;
        }
        .player-quote::before {
            content: '"';
            position: absolute;
            top: -20px;
            left: 20px;
            font-size: 5rem;
            color: rgba(255, 214, 0, 0.2);
            font-family: Georgia, serif;
        }
        .player-info {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-top: 1.5rem;
        }
        .player-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-blue), var(--primary-green));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }