* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f5f7fa;
            background-image: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #d32f2f;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        a:hover {
            color: #9a0007;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }
        .site-header {
            background: linear-gradient(90deg, #1a237e 0%, #283593 50%, #1a237e 100%);
            color: #fff;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: 1px;
            color: #ffeb3b;
            text-shadow: 2px 2px 0 #d32f2f, 4px 4px 0 rgba(0,0,0,0.2);
            text-transform: uppercase;
        }
        .my-logo:hover {
            text-decoration: none;
            color: #fff;
            text-shadow: 2px 2px 0 #ff9800, 4px 4px 0 rgba(0,0,0,0.2);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
        }
        .main-nav li {
            margin-left: 1.8rem;
        }
        .main-nav a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #ffeb3b;
            transition: width 0.3s ease;
        }
        .main-nav a:hover {
            color: #ffeb3b;
            text-decoration: none;
        }
        .main-nav a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e8eaf6;
            padding: 0.8rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: #5c6bc0;
        }
        .breadcrumb span {
            color: #777;
        }
        .main-content {
            flex: 1;
            padding: 2rem 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: #fff;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #ffeb3b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #283593;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #e8eaf6;
        }
        h3 {
            font-size: 1.6rem;
            color: #3949ab;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #5c6bc0;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 500;
            color: #555;
            background: #f0f4ff;
            padding: 1.2rem;
            border-left: 5px solid #5c6bc0;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fffde7;
            border-left: 4px solid #ffeb3b;
            padding: 1rem 1rem 1rem 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .term {
            font-weight: bold;
            color: #d32f2f;
        }
        .internal-link {
            font-weight: 600;
            color: #1a237e;
            border-bottom: 1px dashed #5c6bc0;
        }
        .internal-link:hover {
            color: #d32f2f;
            border-bottom-style: solid;
        }
        .img-container {
            margin: 2rem auto;
            text-align: center;
        }
        .img-container img {
            border-radius: 10px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            border: 1px solid #ddd;
        }
        .img-caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .sidebar {
            background: #fff;
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
            align-self: start;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar h3 {
            font-size: 1.4rem;
            color: #1a237e;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #ffeb3b;
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 0.8rem;
            border: 2px solid #5c6bc0;
            border-right: none;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-btn {
            background: #5c6bc0;
            color: white;
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: #3949ab;
        }
        .quick-links ul {
            list-style: none;
        }
        .quick-links li {
            margin-bottom: 0.8rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .quick-links li:before {
            content: '👉';
            position: absolute;
            left: 0;
            top: 2px;
        }
        .character-tier {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.8rem;
            margin-top: 1rem;
        }
        .tier-box {
            background: #f5f5f5;
            padding: 0.8rem;
            border-radius: 6px;
            text-align: center;
            font-weight: 600;
            transition: transform 0.3s;
        }
        .tier-box:hover {
            transform: translateY(-3px);
        }
        .s-tier { background: #fff8e1; color: #ff8f00; border: 1px solid #ffecb3; }
        .a-tier { background: #f1f8e9; color: #689f38; border: 1px solid #dcedc8; }
        .b-tier { background: #e8eaf6; color: #3949ab; border: 1px solid #c5cae9; }
        .interaction-widgets {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        .widget {
            background: #fff;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
        }
        .widget h3 {
            margin-top: 0;
        }
        .rating {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin: 1.5rem 0;
        }
        .stars {
            display: flex;
            gap: 0.3rem;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .comment-form textarea,
        .rating-form select,
        .comment-form input[type="text"],
        .comment-form input[type="email"] {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-family: inherit;
            font-size: 1rem;
        }
        .submit-btn {
            background: #d32f2f;
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: #9a0007;
        }
        .site-footer {
            background: #1a237e;
            color: #fff;
            padding: 3rem 0 2rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            color: #ffeb3b;
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: #ffeb3b;
            margin-bottom: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            color: #c5cae9;
        }
        .footer-links a:hover {
            color: #ffeb3b;
        }
        friend-link {
            display: block;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #3949ab;
        }
        friend-link a {
            color: #8c9eff;
            margin-right: 1rem;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid #3949ab;
            color: #c5cae9;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #283593;
                flex-direction: column;
                padding: 1rem 0;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .main-nav.active ul {
                display: flex;
            }
            .main-nav li {
                margin: 0;
                text-align: center;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article, .sidebar {
                padding: 1.5rem;
            }
            .content-grid {
                gap: 2rem;
            }
        }