:root {
            --primary-color: #0a58ca;
            --secondary-color: #dc3545;
            --dark-color: #1a1a2e;
            --light-color: #f8f9fa;
            --gray-color: #6c757d;
            --success-color: #198754;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
            --max-width: 1200px;
        }
        * {
            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: #fff;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark-color);
            color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo span {
            color: var(--secondary-color);
        }
        .logo i {
            font-size: 2rem;
        }
        nav ul {
            display: flex;
            gap: 30px;
        }
        nav a {
            padding: 8px 12px;
            border-radius: var(--border-radius);
            font-weight: 600;
            font-size: 1rem;
        }
        nav a:hover {
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: white;
        }
        .breadcrumb {
            background-color: #f1f3f5;
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 8px;
            color: var(--gray-color);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
            text-decoration: underline;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 20px;
        }
        .content-area {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            box-shadow: var(--shadow);
        }
        aside {
            background: white;
            border-radius: var(--border-radius);
            padding: 25px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--dark-color);
            margin-bottom: 20px;
            line-height: 1.2;
            border-bottom: 3px solid var(--primary-color);
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2rem;
            margin: 35px 0 20px;
            color: var(--primary-color);
            padding-bottom: 10px;
            border-bottom: 2px dashed #eee;
        }
        h3 {
            font-size: 1.5rem;
            margin: 25px 0 15px;
            color: var(--dark-color);
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--dark-color);
            background: #f0f8ff;
            padding: 20px;
            border-left: 5px solid var(--primary-color);
            border-radius: var(--border-radius);
            margin-bottom: 30px;
        }
        em {
            font-style: italic;
            color: #555;
        }
        strong {
            font-weight: 700;
            color: var(--dark-color);
        }
        .highlight {
            background-color: #fff3cd;
            padding: 3px 6px;
            border-radius: 4px;
            font-weight: 600;
        }
        blockquote {
            border-left: 4px solid var(--secondary-color);
            padding-left: 20px;
            margin: 25px 0;
            font-style: italic;
            color: #555;
            background: #f9f9f9;
            padding: 20px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .article-img {
            margin: 30px auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            max-width: 800px;
        }
        .article-img img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .article-img:hover img {
            transform: scale(1.03);
        }
        .img-caption {
            text-align: center;
            font-size: 0.9rem;
            color: var(--gray-color);
            margin-top: 10px;
            padding: 0 10px;
        }
        ul.feature-list {
            list-style: disc inside;
            margin-left: 20px;
            margin-bottom: 25px;
        }
        ul.feature-list li {
            margin-bottom: 10px;
            padding-left: 10px;
        }
        .form-box {
            background: #f8f9fa;
            border: 1px solid #dee2e6;
            border-radius: var(--border-radius);
            padding: 25px;
            margin: 30px 0;
        }
        .form-title {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--primary-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(10, 88, 202, 0.1);
        }
        textarea {
            min-height: 120px;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background-color: var(--primary-color);
            color: white;
            border: none;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
        }
        .btn:hover {
            background-color: #0b5ed7;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(10, 88, 202, 0.2);
        }
        .btn-secondary {
            background-color: var(--secondary-color);
        }
        .btn-secondary:hover {
            background-color: #bb2d3b;
        }
        .rating-container {
            display: flex;
            align-items: center;
            gap: 15px;
            margin: 20px 0;
        }
        .star-rating {
            display: flex;
            gap: 5px;
        }
        .star-rating i {
            color: #ffc107;
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating i:hover {
            transform: scale(1.2);
        }
        .comment {
            border: 1px solid #eee;
            border-radius: var(--border-radius);
            padding: 20px;
            margin-bottom: 20px;
            background: white;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: var(--gray-color);
        }
        .comment-author {
            font-weight: 700;
            color: var(--dark-color);
        }
        .sidebar-widget {
            margin-bottom: 30px;
            padding-bottom: 20px;
            border-bottom: 1px solid #eee;
        }
        .sidebar-widget:last-child {
            border-bottom: none;
        }
        .widget-title {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--dark-color);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-color);
        }
        .related-links li {
            margin-bottom: 12px;
            padding-left: 15px;
            position: relative;
        }
        .related-links li::before {
            content: "⚽";
            position: absolute;
            left: 0;
        }
        .related-links a:hover {
            color: var(--primary-color);
            padding-left: 5px;
        }
        .web-links {
            background: var(--dark-color);
            padding: 40px 20px;
            color: white;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 15px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }
        .web-link a {
            display: block;
            color: #e9ecef;
        }
        .web-link a:hover {
            color: white;
        }
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 30px 20px;
            text-align: center;
        }
        .footer-container {
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .copyright {
            margin-top: 20px;
            font-size: 0.9rem;
            padding-top: 20px;
            border-top: 1px solid #334155;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            aside {
                position: static;
            }
            .web-links-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-container {
                padding: 12px 15px;
            }
            nav {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 70px);
                background: var(--dark-color);
                flex-direction: column;
                padding: 30px;
                transition: left 0.4s ease;
                box-shadow: 5px 0 15px rgba(0,0,0,0.2);
            }
            nav.active {
                left: 0;
            }
            nav ul {
                flex-direction: column;
                gap: 15px;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .content-area {
                padding: 20px;
            }
            .web-links-container {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .breadcrumb {
                font-size: 0.8rem;
            }
            .rating-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn {
                width: 100%;
                text-align: center;
            }
        }
        .text-center { text-align: center; }
        .mb-30 { margin-bottom: 30px; }
        .mt-30 { margin-top: 30px; }
        .d-flex { display: flex; }
        .align-center { align-items: center; }
        .justify-between { justify-content: space-between; }
        .gap-10 { gap: 10px; }