* {
            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;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #2c5aa0;
            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;
        }
        h1, h2, h3, h4 {
            color: #1d3557;
            margin-bottom: 1rem;
            font-weight: 700;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            border-bottom: 3px solid #e63946;
            padding-bottom: 15px;
            margin-top: 1.5rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-top: 2.5rem;
            background: linear-gradient(90deg, #1d3557, #457b9d);
            color: white;
            padding: 12px 20px;
            border-radius: 8px 8px 0 0;
        }
        h3 {
            font-size: 1.8rem;
            color: #457b9d;
            margin-top: 2rem;
            padding-left: 10px;
            border-left: 5px solid #e63946;
        }
        h4 {
            font-size: 1.4rem;
            color: #2a9d8f;
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.15rem;
            text-align: justify;
        }
        strong {
            color: #1d3557;
            font-weight: 800;
        }
        em {
            color: #e63946;
            font-style: italic;
        }
        .lead {
            font-size: 1.4rem;
            color: #555;
            font-weight: 500;
            background-color: #e9f5ff;
            padding: 25px;
            border-radius: 12px;
            border-left: 6px solid #2c5aa0;
            margin: 2rem 0;
        }
        header {
            background: linear-gradient(135deg, #1d3557 0%, #457b9d 100%);
            color: white;
            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;
            padding: 15px 20px;
        }
        .logo a {
            color: white;
            font-size: 2.2rem;
            font-weight: 900;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
        }
        .logo i {
            color: #e63946;
            margin-right: 12px;
            font-size: 2.5rem;
        }
        .nav-desktop ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-desktop a {
            color: #f1faee;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 15px;
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        .nav-desktop a:hover,
        .nav-desktop a.active {
            background-color: #e63946;
            color: white;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
            background: none;
            border: none;
        }
        .nav-mobile {
            display: none;
            background-color: #1d3557;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            padding: 0;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease-out;
        }
        .nav-mobile.active {
            display: block;
            max-height: 500px;
            padding: 20px 0;
        }
        .nav-mobile ul {
            list-style: none;
            text-align: center;
        }
        .nav-mobile li {
            margin: 15px 0;
        }
        .nav-mobile a {
            color: #f1faee;
            font-size: 1.3rem;
            padding: 10px;
            display: block;
            border-bottom: 1px solid #2a5266;
        }
        .nav-mobile a:hover {
            background-color: #e63946;
            color: white;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 12px 20px;
            border-radius: 0 0 8px 8px;
            margin-bottom: 2rem;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #1d3557;
        }
        .breadcrumb i {
            margin: 0 8px;
            color: #adb5bd;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .feature-img {
            margin: 2rem 0;
            text-align: center;
            border: 1px solid #dee2e6;
            padding: 15px;
            border-radius: 10px;
            background: #f8f9fa;
        }
        .feature-img img {
            border-radius: 8px;
            margin: 0 auto 15px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.1);
            max-height: 500px;
            object-fit: cover;
        }
        .img-caption {
            font-style: italic;
            color: #666;
            font-size: 0.95rem;
            margin-top: 10px;
        }
        .highlight-box {
            background: linear-gradient(to right, #fff9e6, #ffeaa7);
            border: 2px dashed #fdcb6e;
            padding: 25px;
            border-radius: 10px;
            margin: 2.5rem 0;
        }
        .download-box {
            background: linear-gradient(135deg, #1d3557, #2c5aa0);
            color: white;
            padding: 30px;
            text-align: center;
            border-radius: 15px;
            margin: 3rem 0;
            box-shadow: 0 10px 25px rgba(28, 90, 160, 0.3);
        }
        .download-box h3 {
            color: white;
            border-left: none;
            padding: 0;
        }
        .download-btn {
            display: inline-block;
            background-color: #e63946;
            color: white;
            padding: 18px 45px;
            font-size: 1.4rem;
            font-weight: 700;
            border-radius: 50px;
            margin-top: 20px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        .download-btn:hover {
            background-color: #d00000;
            transform: scale(1.05);
            box-shadow: 0 5px 15px rgba(230, 57, 70, 0.4);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .widget {
            background-color: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .widget h3 {
            font-size: 1.5rem;
            margin-top: 0;
            padding-bottom: 10px;
            border-bottom: 2px solid #e63946;
        }
        .search-form {
            display: flex;
            margin-top: 15px;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px;
            border: 2px solid #457b9d;
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background-color: #457b9d;
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background-color: #1d3557;
        }
        .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            font-weight: 600;
            margin-bottom: 8px;
            color: #1d3557;
        }
        .form-control {
            padding: 15px;
            border: 1px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            border-color: #457b9d;
            outline: none;
            box-shadow: 0 0 0 3px rgba(69, 123, 157, 0.2);
        }
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background-color: #2a9d8f;
            color: white;
            border: none;
            padding: 18px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background-color: #21867a;
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            gap: 10px;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2.5rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffc107;
        }
        .footer-links {
            background-color: #1d3557;
            padding: 40px 20px;
            margin-top: 50px;
        }
        .links-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }
        .web-link {
            background-color: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 8px;
            transition: transform 0.3s, background 0.3s;
        }
        .web-link:hover {
            background-color: rgba(69, 123, 157, 0.3);
            transform: translateY(-5px);
        }
        .web-link a {
            color: #f1faee;
            font-size: 1.1rem;
            display: block;
            line-height: 1.6;
        }
        .web-link a:hover {
            color: #e63946;
            text-decoration: underline;
        }
        footer {
            background-color: #0d1b2a;
            color: #adb5bd;
            padding: 40px 20px 30px;
            text-align: center;
        }
        .copyright {
            margin-top: 30px;
            padding-top: 25px;
            border-top: 1px solid #2d3748;
            font-size: 0.95rem;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-container { padding: 12px 15px; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .main-content { gap: 25px; }
            .article-content, .widget { padding: 20px; }
            .download-btn { padding: 15px 35px; font-size: 1.2rem; }
            .star-rating label { font-size: 2rem; }
        }