* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            text-decoration: none;
            color: #2a5c9e;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e63946;
        }
        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, #1a2a6c, #2a5c9e);
            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;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            color: white;
            display: flex;
            align-items: center;
        }
        .logo i {
            color: #e63946;
            margin-right: 10px;
        }
        .logo span {
            background: -webkit-linear-gradient(#ffd166, #e63946);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 1.8rem;
        }
        .desktop-nav a {
            color: #f1faee;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
            transition: all 0.3s;
        }
        .desktop-nav a:hover, .desktop-nav a.active {
            background-color: rgba(255, 255, 255, 0.15);
            color: #ffd166;
        }
        .search-box {
            display: flex;
            background: white;
            border-radius: 30px;
            overflow: hidden;
            padding: 5px 15px;
            align-items: center;
            width: 300px;
        }
        .search-box input {
            border: none;
            outline: none;
            padding: 10px;
            flex-grow: 1;
            font-size: 0.95rem;
        }
        .search-box button {
            background: #e63946;
            border: none;
            color: white;
            padding: 10px 15px;
            border-radius: 50%;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: #c1121f;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            left: -100%;
            width: 280px;
            height: 100vh;
            background: #1a2a6c;
            padding: 2rem;
            transition: left 0.5s ease;
            z-index: 1100;
            overflow-y: auto;
            box-shadow: 5px 0 15px rgba(0,0,0,0.2);
        }
        .mobile-nav.active {
            left: 0;
        }
        .mobile-nav ul {
            list-style: none;
            margin-top: 2rem;
        }
        .mobile-nav li {
            margin-bottom: 1.5rem;
        }
        .mobile-nav a {
            color: #f1faee;
            font-size: 1.2rem;
            display: block;
            padding: 0.8rem;
            border-radius: 5px;
        }
        .mobile-nav a:hover {
            background: rgba(255, 255, 255, 0.1);
        }
        .close-nav {
            color: white;
            font-size: 2rem;
            background: none;
            border: none;
            position: absolute;
            top: 1rem;
            right: 1.5rem;
            cursor: pointer;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.7);
            z-index: 1050;
        }
        .overlay.active {
            display: block;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin: 0 10px;
            color: #6c757d;
        }
        .breadcrumb a {
            color: #495057;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        article {
            background: white;
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a2a6c;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #ffd166;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #2a5c9e;
            margin: 2.5rem 0 1.2rem;
            padding-left: 10px;
            border-left: 5px solid #e63946;
        }
        h3 {
            font-size: 1.5rem;
            color: #457b9d;
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #555;
            font-weight: 500;
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            border-left: 4px solid #2a5c9e;
            margin-bottom: 2.5rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        b, strong {
            color: #1a2a6c;
        }
        .section-img {
            width: 100%;
            max-width: 800px;
            margin: 2rem auto;
            border-radius: 10px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            overflow: hidden;
            transition: transform 0.5s ease;
        }
        .section-img:hover {
            transform: scale(1.02);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .feature-box {
            background: #f1faee;
            padding: 2rem;
            border-radius: 10px;
            border-top: 5px solid #2a5c9e;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .feature-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .feature-box h3 i {
            margin-right: 10px;
            color: #e63946;
        }
        .user-interaction {
            margin: 4rem 0;
            background: #f8f9fa;
            padding: 2.5rem;
            border-radius: 12px;
            border: 1px solid #dee2e6;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #495057;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ced4da;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #2a5c9e;
            outline: none;
            box-shadow: 0 0 0 3px rgba(42, 92, 158, 0.2);
        }
        .form-row {
            display: flex;
            gap: 1.5rem;
        }
        .form-row .form-group {
            flex: 1;
        }
        .btn {
            display: inline-block;
            background: #2a5c9e;
            color: white;
            padding: 12px 30px;
            border: none;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        .btn:hover {
            background: #1a2a6c;
            transform: translateY(-2px);
        }
        .btn-submit {
            background: #e63946;
        }
        .btn-submit:hover {
            background: #c1121f;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 5px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffc107;
        }
        .longtail-links {
            background: #1a2a6c;
            color: white;
            padding: 3rem 0;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.08);
            padding: 1.2rem;
            border-radius: 8px;
            transition: background 0.3s;
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        .web-link a {
            color: #ffd166;
            font-size: 1.05rem;
            display: block;
        }
        .web-link a:hover {
            text-decoration: underline;
        }
        footer {
            background: #0d1b4c;
            color: #ced4da;
            padding: 2.5rem 0 1.5rem;
            text-align: center;
        }
        .footer-container {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .copyright {
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            width: 100%;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .desktop-nav, .search-box {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .logo a {
                font-size: 1.8rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            article {
                padding: 1.8rem;
            }
            .form-row {
                flex-direction: column;
                gap: 0;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 15px;
            }
            h1 {
                font-size: 1.8rem;
            }
            .lead {
                font-size: 1.1rem;
            }
            .user-interaction {
                padding: 1.8rem;
            }
            .feature-box {
                padding: 1.5rem;
            }
        }