* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background-color: #f8f9fa;
            max-width: 100vw;
            overflow-x: hidden;
        }
        a {
            color: #0056b3;
            text-decoration: none;
            transition: color 0.3s ease, background-color 0.3s ease;
        }
        a:hover {
            color: #003366;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .italic { font-style: italic; }
        .highlight {
            background-color: #fffacd;
            padding: 2px 5px;
            border-radius: 3px;
        }
        .section-padding {
            padding: 60px 0;
        }
        .section-dark {
            background-color: #2c3e50;
            color: #ecf0f1;
        }
        .section-dark a {
            color: #3498db;
        }
        .site-header {
            background: linear-gradient(135deg, #0a2463 0%, #1e3c72 100%);
            color: white;
            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: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: 1px;
            color: #fff;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }
        .my-logo span {
            color: #ff6b35;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: #fff;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 1.05rem;
        }
        .main-nav a:hover,
        .main-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffdd40;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 0;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: "›";
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)), url('https://images.unsplash.com/photo-1590080667306-eb444a5c5c8a?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            padding: 80px 20px;
            text-align: center;
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .main-content {
            background-color: #fff;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.05);
            margin: 40px auto;
        }
        .main-content h1 {
            font-size: 2.8rem;
            color: #0a2463;
            border-bottom: 3px solid #ff6b35;
            padding-bottom: 15px;
            margin-bottom: 30px;
        }
        .main-content h2 {
            font-size: 2.2rem;
            color: #1e3c72;
            margin: 50px 0 20px;
            padding-top: 10px;
        }
        .main-content h3 {
            font-size: 1.8rem;
            color: #2a4d8f;
            margin: 35px 0 15px;
        }
        .main-content h4 {
            font-size: 1.4rem;
            color: #3a5ca9;
            margin: 25px 0 10px;
        }
        .main-content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .main-content ul, .main-content ol {
            margin: 1rem 0 1rem 2rem;
        }
        .main-content blockquote {
            border-left: 5px solid #ff6b35;
            padding-left: 25px;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background-color: #f9f9f9;
            padding: 20px;
            border-radius: 0 8px 8px 0;
        }
        .image-wrapper {
            margin: 30px 0;
            text-align: center;
        }
        .image-caption {
            font-size: 0.95rem;
            color: #666;
            margin-top: 8px;
            font-style: italic;
        }
        .module {
            background: #f1f8ff;
            border-left: 5px solid #3498db;
            padding: 25px;
            border-radius: 8px;
            margin: 40px 0;
        }
        .module h3 {
            margin-top: 0;
            color: #2980b9;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #3498db;
            outline: none;
            box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.2);
        }
        .btn {
            display: inline-block;
            background: #ff6b35;
            color: white;
            padding: 14px 28px;
            border: none;
            border-radius: 6px;
            font-size: 1.05rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        .btn:hover {
            background: #e55a2b;
            transform: translateY(-2px);
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffc107;
        }
        .sidebar {
            background: #2c3e50;
            color: white;
            padding: 30px;
            border-radius: 10px;
            margin-top: 40px;
        }
        .sidebar h3 {
            color: #ffdd40;
            border-bottom: 2px solid #ffdd40;
            padding-bottom: 10px;
        }
        .sidebar ul {
            list-style: none;
            margin-top: 20px;
        }
        .sidebar li {
            margin-bottom: 15px;
            padding-left: 20px;
            position: relative;
        }
        .sidebar li::before {
            content: "⚾";
            position: absolute;
            left: 0;
        }
        .sidebar a {
            color: #3498db;
        }
        .site-footer {
            background: #1a1a2e;
            color: #ccc;
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.8rem;
            color: #fff;
            margin-bottom: 15px;
        }
        .footer-nav h4,
        friend-link h4 {
            color: #ff6b35;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-nav ul,
        friend-link ul {
            list-style: none;
        }
        .footer-nav li,
        friend-link li {
            margin-bottom: 10px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 8px;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 992px) {
            .header-container {
                flex-wrap: wrap;
            }
            .main-nav ul {
                gap: 15px;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
            .main-content h1 { font-size: 2.4rem; }
            .main-content h2 { font-size: 2rem; }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #0a2463;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                gap: 0;
                border-top: 1px solid rgba(255,255,255,0.1);
            }
            .main-nav ul.active {
                display: flex;
            }
            .main-nav li {
                margin: 10px 0;
            }
            .main-content {
                padding: 25px;
            }
            .hero {
                padding: 60px 20px;
            }
            .hero h1 {
                font-size: 2.3rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 2rem;
            }
            .main-content h1 { font-size: 2rem; }
            .main-content h2 { font-size: 1.7rem; }
            .btn {
                width: 100%;
                text-align: center;
            }
        }