:root {
            --primary-blue: #1a365d;
            --accent-red: #e53e3e;
            --field-green: #38a169;
            --warm-white: #f7fafc;
            --base-gray: #4a5568;
            --highlight-gold: #d69e2e;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
        }
        body {
            background-color: var(--warm-white);
            color: var(--primary-blue);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-red);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: var(--primary-blue);
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-blue) 0%, #2d3748 100%);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: 1px;
            background: linear-gradient(to right, #fff, var(--highlight-gold));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-red);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background: #edf2f7;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            border-bottom: 1px solid #cbd5e0;
        }
        .breadcrumb a {
            color: var(--base-gray);
        }
        .breadcrumb a:hover {
            color: var(--accent-red);
        }
        .search-container {
            max-width: 1280px;
            margin: 2rem auto;
            padding: 0 2rem;
        }
        .search-box {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .search-box input {
            flex-grow: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1rem;
        }
        .search-box button {
            background: var(--accent-red);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #c53030;
        }
        .content-wrapper {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 2rem 3rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        main article {
            background: white;
            border-radius: 12px;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-blue);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-left: 5px solid var(--accent-red);
            padding-left: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: var(--field-green);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #e2e8f0;
        }
        h3 {
            font-size: 1.5rem;
            color: var(--base-gray);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--highlight-gold);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
            color: #2d3748;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary-blue);
            background: #ebf8ff;
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background: linear-gradient(120deg, #fed7d7 0%, #fed7d7 100%);
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .article-img:hover {
            transform: scale(1.01);
        }
        .figure-caption {
            text-align: center;
            font-style: italic;
            color: var(--base-gray);
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .internal-link {
            color: var(--field-green);
            font-weight: 600;
            border-bottom: 1px dotted var(--field-green);
        }
        .internal-link:hover {
            color: #2f855a;
            border-bottom-style: solid;
        }
        aside {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: var(--primary-blue);
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent-red);
        }
        .related-links li {
            margin-bottom: 0.8rem;
            list-style: none;
            padding-left: 1.2rem;
            position: relative;
        }
        .related-links li::before {
            content: '⚾';
            position: absolute;
            left: 0;
        }
        .user-interaction {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            margin-top: 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .rating-form, .comment-form {
            margin-bottom: 2.5rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #cbd5e0;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star.active, .star:hover {
            color: var(--highlight-gold);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid #cbd5e0;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus {
            outline: none;
            border-color: var(--accent-red);
            box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.1);
        }
        .btn {
            background: var(--accent-red);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        .btn:hover {
            background: #c53030;
            transform: translateY(-2px);
        }
        .site-footer {
            background: var(--primary-blue);
            color: white;
            padding: 3rem 2rem 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 1rem;
            color: white;
        }
        friend-link {
            display: inline-block;
            background: rgba(255,255,255,0.1);
            padding: 0.5rem 1rem;
            border-radius: 4px;
            margin: 0.3rem;
            font-size: 0.9rem;
        }
        friend-link a {
            color: #90cdf4;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.4s ease;
            }
            .main-nav.active {
                max-height: 300px;
                margin-top: 1rem;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 1rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            article {
                padding: 1.5rem;
            }
            .content-wrapper {
                padding: 0 1rem 2rem;
            }
            .search-box {
                flex-direction: column;
                border-radius: 10px;
            }
            .search-box input, .search-box button {
                width: 100%;
                border-radius: 0;
                padding: 1rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        main article, aside, .user-interaction {
            animation: fadeIn 0.6s ease-out;
        }