:root {
        --primary-color: #2a2d7a;
        --secondary-color: #f15a24;
        --accent-color: #6a4bc5;
        --light-bg: #f8f9ff;
        --dark-text: #222222;
        --light-text: #666666;
        --border-color: #e1e5f1;
        --shadow: 0 5px 15px rgba(42, 45, 122, 0.08);
        --transition: all 0.3s ease;
        --max-width: 1200px;
    }
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }
    body {
        background-color: #ffffff;
        color: var(--dark-text);
        line-height: 1.7;
        font-size: 1.05rem;
        overflow-x: hidden;
    }
    a {
        color: var(--primary-color);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: var(--secondary-color);
    }
    .container {
        width: 100%;
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 20px;
    }
    .site-header {
        background-color: white;
        box-shadow: var(--shadow);
        position: sticky;
        top: 0;
        z-index: 1000;
        padding: 15px 0;
    }
    .header-content {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
    }
    .my-logo {
        font-size: 1.8rem;
        font-weight: 800;
        color: var(--primary-color);
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .my-logo i {
        color: var(--secondary-color);
        font-size: 2rem;
    }
    .my-logo:hover {
        color: var(--accent-color);
    }
    .breadcrumb {
        font-size: 0.9rem;
        color: var(--light-text);
        padding: 15px 0 5px;
        background-color: var(--light-bg);
        border-bottom: 1px solid var(--border-color);
    }
    .breadcrumb a {
        color: var(--light-text);
    }
    .breadcrumb a:hover {
        color: var(--primary-color);
        text-decoration: underline;
    }
    .breadcrumb span {
        margin: 0 8px;
    }
    .hamburger {
        display: none;
        flex-direction: column;
        cursor: pointer;
        gap: 5px;
        background: none;
        border: none;
        padding: 5px;
    }
    .hamburger span {
        width: 25px;
        height: 3px;
        background-color: var(--primary-color);
        border-radius: 2px;
        transition: var(--transition);
    }
    .hamburger.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    .main-nav {
        display: flex;
        gap: 30px;
        align-items: center;
        transition: var(--transition);
    }
    .main-nav a {
        font-weight: 600;
        padding: 8px 0;
        position: relative;
    }
    .main-nav a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 3px;
        background-color: var(--secondary-color);
        transition: var(--transition);
    }
    .main-nav a:hover::after {
        width: 100%;
    }
    .search-container {
        position: relative;
        margin-left: 20px;
    }
    #search-input {
        padding: 10px 40px 10px 15px;
        border: 2px solid var(--border-color);
        border-radius: 30px;
        width: 250px;
        font-size: 1rem;
        transition: var(--transition);
    }
    #search-input:focus {
        outline: none;
        border-color: var(--accent-color);
        width: 280px;
    }
    #search-button {
        position: absolute;
        right: 12px;
        top: 50%;
        transform: translateY(-50%);
        background: none;
        border: none;
        color: var(--primary-color);
        cursor: pointer;
        font-size: 1.2rem;
    }
    .main-content {
        display: grid;
        grid-template-columns: 1fr 300px;
        gap: 40px;
        margin: 40px auto;
    }
    article {
        background: white;
        border-radius: 12px;
        padding: 40px;
        box-shadow: var(--shadow);
    }
    article h1 {
        font-size: 2.8rem;
        line-height: 1.2;
        color: var(--primary-color);
        margin-bottom: 25px;
        border-bottom: 3px solid var(--secondary-color);
        padding-bottom: 15px;
    }
    .article-meta {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 15px;
        margin-bottom: 30px;
        padding-bottom: 20px;
        border-bottom: 1px solid var(--border-color);
        color: var(--light-text);
        font-size: 0.95rem;
    }
    .last-updated {
        background-color: var(--light-bg);
        padding: 8px 15px;
        border-radius: 20px;
        font-weight: 600;
    }
    .last-updated i {
        margin-right: 8px;
        color: var(--secondary-color);
    }
    h2 {
        font-size: 2rem;
        color: var(--primary-color);
        margin: 40px 0 20px;
        padding-bottom: 10px;
        border-bottom: 2px dashed var(--border-color);
    }
    h3 {
        font-size: 1.6rem;
        color: var(--accent-color);
        margin: 30px 0 15px;
    }
    h4 {
        font-size: 1.3rem;
        color: var(--dark-text);
        margin: 25px 0 10px;
    }
    p {
        margin-bottom: 22px;
        text-align: justify;
        hyphens: auto;
    }
    .intro-box {
        background: linear-gradient(135deg, var(--light-bg) 0%, #eef1ff 100%);
        border-left: 5px solid var(--secondary-color);
        padding: 25px;
        border-radius: 0 10px 10px 0;
        margin: 30px 0;
        font-size: 1.1rem;
        box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    }
    .highlight {
        background-color: #fff8e1;
        padding: 3px 6px;
        border-radius: 4px;
        font-weight: 600;
    }
    .key-points {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin: 30px 0;
    }
    .point-card {
        background: white;
        border-radius: 10px;
        padding: 20px;
        box-shadow: var(--shadow);
        border-top: 4px solid var(--accent-color);
        transition: var(--transition);
    }
    .point-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 25px rgba(42, 45, 122, 0.12);
    }
    .point-card h4 {
        color: var(--primary-color);
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .point-card i {
        color: var(--secondary-color);
    }
    .game-image {
        width: 100%;
        max-width: 800px;
        height: auto;
        border-radius: 12px;
        margin: 30px auto;
        display: block;
        box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        border: 5px solid white;
    }
    .image-caption {
        text-align: center;
        font-style: italic;
        color: var(--light-text);
        margin-top: 10px;
        font-size: 0.95rem;
    }
    blockquote {
        font-size: 1.2rem;
        font-style: italic;
        color: var(--primary-color);
        background: var(--light-bg);
        padding: 30px;
        border-radius: 10px;
        margin: 40px 0;
        position: relative;
        border-left: 5px solid var(--accent-color);
    }
    blockquote::before {
        content: "\f10d";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        position: absolute;
        top: -15px;
        left: 20px;
        background: white;
        padding: 0 10px;
        color: var(--accent-color);
        font-size: 1.5rem;
    }
    .sidebar {
        background: white;
        border-radius: 12px;
        padding: 30px;
        box-shadow: var(--shadow);
        align-self: start;
        position: sticky;
        top: 120px;
    }
    .sidebar h3 {
        font-size: 1.5rem;
        margin-top: 0;
        padding-bottom: 15px;
        border-bottom: 2px solid var(--secondary-color);
    }
    .sidebar-links {
        list-style: none;
        margin: 20px 0;
    }
    .sidebar-links li {
        margin-bottom: 15px;
        padding-bottom: 15px;
        border-bottom: 1px dashed var(--border-color);
    }
    .sidebar-links li:last-child {
        border-bottom: none;
        margin-bottom: 0;
        padding-bottom: 0;
    }
    .sidebar-links a {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 600;
    }
    .sidebar-links i {
        color: var(--secondary-color);
    }
    .user-interaction {
        margin-top: 50px;
        padding-top: 30px;
        border-top: 2px solid var(--border-color);
    }
    .interaction-section {
        background: var(--light-bg);
        border-radius: 12px;
        padding: 30px;
        margin-bottom: 40px;
    }
    .interaction-section h3 {
        margin-top: 0;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .interaction-section h3 i {
        color: var(--secondary-color);
    }
    .rating-stars {
        display: flex;
        gap: 10px;
        margin: 20px 0;
        font-size: 2rem;
        color: #ffc107;
        cursor: pointer;
    }
    .star {
        transition: var(--transition);
    }
    .star:hover {
        transform: scale(1.2);
    }
    form label {
        display: block;
        margin-bottom: 8px;
        font-weight: 600;
        color: var(--primary-color);
    }
    form input, form textarea, form select {
        width: 100%;
        padding: 12px 15px;
        margin-bottom: 20px;
        border: 2px solid var(--border-color);
        border-radius: 8px;
        font-size: 1rem;
        transition: var(--transition);
    }
    form input:focus, form textarea:focus, form select:focus {
        outline: none;
        border-color: var(--accent-color);
        box-shadow: 0 0 0 3px rgba(106, 75, 197, 0.1);
    }
    form textarea {
        min-height: 150px;
        resize: vertical;
    }
    .form-row {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    .submit-btn {
        background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
        color: white;
        border: none;
        padding: 15px 30px;
        border-radius: 30px;
        font-size: 1.1rem;
        font-weight: 700;
        cursor: pointer;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 10px;
    }
    .submit-btn:hover {
        transform: translateY(-3px);
        box-shadow: 0 7px 15px rgba(42, 45, 122, 0.3);
        background: linear-gradient(135deg, var(--secondary-color) 0%, #f15a24 100%);
    }
    .site-footer {
        background-color: var(--primary-color);
        color: white;
        padding: 60px 0 30px;
        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: white;
        font-size: 1.3rem;
        margin-bottom: 25px;
        position: relative;
        padding-bottom: 10px;
    }
    .footer-section h4::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 50px;
        height: 3px;
        background-color: var(--secondary-color);
    }
    .footer-links {
        list-style: none;
    }
    .footer-links li {
        margin-bottom: 12px;
    }
    .footer-links a {
        color: #d1d5f0;
        display: flex;
        align-items: center;
        gap: 10px;
        transition: var(--transition);
    }
    .footer-links a:hover {
        color: white;
        padding-left: 5px;
    }
    .footer-links i {
        font-size: 0.9rem;
        color: var(--secondary-color);
    }
    friend-link {
        display: block;
        margin: 25px 0;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        border-left: 4px solid var(--secondary-color);
    }
    friend-link a {
        color: white;
        font-weight: 600;
        font-size: 1.1rem;
    }
    .copyright {
        text-align: center;
        padding-top: 30px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        color: #b3b8e0;
        font-size: 0.95rem;
    }
    @media (max-width: 1024px) {
        .main-content {
            grid-template-columns: 1fr;
            gap: 30px;
        }
        .sidebar {
            position: static;
            top: auto;
        }
        .form-row {
            grid-template-columns: 1fr;
        }
    }
    @media (max-width: 768px) {
        .hamburger {
            display: flex;
        }
        .main-nav {
            display: none;
            flex-direction: column;
            width: 100%;
            background: white;
            position: absolute;
            top: 100%;
            left: 0;
            padding: 20px;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            border-top: 2px solid var(--light-bg);
        }
        .main-nav.active {
            display: flex;
        }
        .search-container {
            margin-left: 0;
            margin-top: 20px;
            width: 100%;
        }
        #search-input {
            width: 100%;
        }
        #search-input:focus {
            width: 100%;
        }
        .header-content {
            flex-direction: column;
            align-items: flex-start;
            gap: 20px;
        }
        .my-logo {
            align-self: center;
        }
        article {
            padding: 25px;
        }
        article h1 {
            font-size: 2.2rem;
        }
        h2 {
            font-size: 1.8rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        .key-points {
            grid-template-columns: 1fr;
        }
    }
    @media (max-width: 480px) {
        .article-meta {
            flex-direction: column;
            align-items: flex-start;
        }
        article h1 {
            font-size: 1.9rem;
        }
        .intro-box {
            padding: 20px;
        }
        .interaction-section {
            padding: 20px;
        }
    }
    @media print {
        .site-header, .sidebar, .user-interaction, .site-footer, .breadcrumb, .hamburger {
            display: none;
        }
        body {
            font-size: 12pt;
            line-height: 1.5;
        }
        article {
            box-shadow: none;
            padding: 0;
        }
        a {
            color: black;
            text-decoration: underline;
        }
        .main-content {
            grid-template-columns: 1fr;
            margin: 0;
        }
    }