* {
            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: 100%;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1e3c72 0%, #2a5298 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-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255,255,255,0.2);
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 1px;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .my-logo i {
            color: #00ff87;
        }
        .search-form {
            display: flex;
            max-width: 400px;
            width: 100%;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: none;
            border-radius: 30px 0 0 30px;
            font-size: 1rem;
        }
        .search-form button {
            background: #00ff87;
            color: #1e3c72;
            border: none;
            padding: 12px 20px;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            font-weight: bold;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #00cc6a;
        }
        nav {
            padding: 1rem 0;
        }
        .nav-desktop {
            display: flex;
            justify-content: center;
            list-style: none;
            gap: 2rem;
        }
        .nav-desktop a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 16px;
            border-radius: 4px;
            transition: all 0.3s ease;
            position: relative;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            background: rgba(255,255,255,0.15);
            transform: translateY(-2px);
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            background: #00ff87;
            bottom: -5px;
            left: 50%;
            transition: all 0.3s;
        }
        .nav-desktop a:hover::after {
            width: 80%;
            left: 10%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background: white;
            border-radius: 2px;
            transition: 0.3s;
        }
        .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);
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #2a5298;
            list-style: none;
            padding: 1rem;
            border-radius: 8px;
            margin-top: 1rem;
            gap: 10px;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            text-decoration: none;
            padding: 12px;
            border-radius: 4px;
            transition: background 0.3s;
        }
        .nav-mobile a:hover {
            background: rgba(255,255,255,0.1);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb a {
            color: #2a5298;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin: 2rem auto;
        }
        h1 {
            color: #1e3c72;
            font-size: 2.8rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #00ff87;
            padding-bottom: 10px;
        }
        h2 {
            color: #2a5298;
            font-size: 2rem;
            margin: 2rem 0 1rem;
            padding-left: 10px;
            border-left: 5px solid #00ff87;
        }
        h3 {
            color: #3a6bc8;
            font-size: 1.6rem;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            color: #555;
            font-size: 1.3rem;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: #1e3c72;
            background: #f0f8ff;
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 2rem;
            border-left: 5px solid #1e3c72;
        }
        .highlight {
            background: linear-gradient(120deg, #a8edea 0%, #fed6e3 100%);
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
            border: 2px dashed #2a5298;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        strong {
            color: #1e3c72;
        }
        .article-img {
            width: 80%;
            margin: 2rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            transition: transform 0.5s ease;
        }
        .article-img:hover {
            transform: scale(1.02);
        }
        figcaption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 10px;
        }
        .content-link {
            color: #d35400;
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted #d35400;
            transition: color 0.3s;
        }
        .content-link:hover {
            color: #a52714;
            border-bottom-style: solid;
        }
        .related-links {
            background: #e8f4fc;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .related-links h3 {
            color: #1e3c72;
        }
        .related-links ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 10px;
            list-style: none;
        }
        .related-links li {
            padding: 8px 0;
            border-bottom: 1px solid #bdd8f0;
        }
        .related-links a {
            color: #2a5298;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color 0.3s;
        }
        .related-links a:hover {
            color: #00ff87;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 2rem 0;
        }
        .stat-card {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            text-align: center;
            border-top: 5px solid #00ff87;
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-10px);
        }
        .stat-card h4 {
            color: #1e3c72;
        }
        .stat-card .number {
            font-size: 3rem;
            font-weight: 900;
            color: #2a5298;
            line-height: 1;
        }
        .user-interaction {
            margin: 3rem 0;
            padding: 2rem;
            background: #f8f9fa;
            border-radius: 12px;
            border: 1px solid #ddd;
        }
        .interaction-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            max-width: 600px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            font-weight: 600;
            margin-bottom: 8px;
            color: #333;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #2a5298;
            outline: none;
            box-shadow: 0 0 0 3px rgba(42, 82, 152, 0.2);
        }
        .rating {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #ffc107;
            cursor: pointer;
        }
        .rating i:hover {
            transform: scale(1.2);
        }
        .btn {
            background: #2a5298;
            color: white;
            border: none;
            padding: 14px 24px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
            text-decoration: none;
            display: inline-block;
            max-width: 200px;
        }
        .btn:hover {
            background: #1e3c72;
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0,0,0,0.1);
        }
        .btn-green {
            background: #00cc6a;
        }
        .btn-green:hover {
            background: #00aa55;
        }
        footer {
            background: #1a1a2e;
            color: #ddd;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            color: #00ff87;
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 10px;
        }
        .footer-section a {
            color: #aaa;
            text-decoration: none;
            transition: color 0.3s;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-section a:hover {
            color: #00ff87;
        }
        friend-link {
            display: block;
            padding: 15px;
            background: #0f3460;
            border-radius: 8px;
            margin: 10px 0;
        }
        friend-link a {
            color: #00ff87 !important;
            font-weight: bold;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #888;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                gap: 1rem;
            }
            .article-img {
                width: 90%;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
                gap: 15px;
            }
            .search-form {
                order: 3;
                max-width: 100%;
                margin-top: 15px;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            main {
                padding: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .my-logo {
                font-size: 1.6rem;
            }
            h1 {
                font-size: 1.8rem;
            }
            .lead {
                font-size: 1.1rem;
                padding: 1rem;
            }
            .user-interaction {
                padding: 1.5rem;
            }
        }