* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #0c1a2d 0%, #1a3a5f 100%);
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #80ccff;
            text-shadow: 0 0 8px rgba(77, 166, 255, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            border: 0;
        }
        .site-header {
            background: rgba(12, 26, 45, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #2a4a7a;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            background: linear-gradient(to right, #ff9a3c, #ff5e62);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 4px 8px rgba(0,0,0,0.3);
            letter-spacing: -1px;
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: inherit;
        }
        .search-form {
            display: flex;
            max-width: 400px;
            flex-grow: 1;
            margin: 0 30px;
        }
        .search-input {
            flex-grow: 1;
            padding: 12px 20px;
            border: 2px solid #2a4a7a;
            border-radius: 30px 0 0 30px;
            background: #152642;
            color: #fff;
            font-size: 1rem;
            outline: none;
        }
        .search-btn {
            background: linear-gradient(to right, #2a4a7a, #3a6aaa);
            color: white;
            border: none;
            border-radius: 0 30px 30px 0;
            padding: 12px 25px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .search-btn:hover {
            background: linear-gradient(to right, #3a6aaa, #4a8ada);
            transform: scale(1.05);
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            background: transparent;
            border: none;
            padding: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background: #4da6ff;
            margin: 4px 0;
            border-radius: 2px;
            transition: 0.3s;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-menu a {
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 5px;
        }
        .nav-menu a:hover {
            background: rgba(77, 166, 255, 0.1);
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #aaa;
            border-bottom: 1px solid #2a4a7a;
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 30px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: rgba(22, 38, 66, 0.7);
            border-radius: 15px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            border: 1px solid #2a4a7a;
        }
        .article-header {
            margin-bottom: 40px;
            text-align: center;
            padding-bottom: 20px;
            border-bottom: 2px dashed #4da6ff;
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            color: #fff;
            line-height: 1.2;
            text-shadow: 0 2px 10px rgba(0,0,0,0.5);
        }
        .last-updated {
            font-style: italic;
            color: #ffa726;
            margin-top: 15px;
            font-size: 1rem;
        }
        h2 {
            font-size: 2.3rem;
            color: #ff9a3c;
            margin: 50px 0 25px;
            padding-bottom: 10px;
            border-bottom: 1px solid #3a5a8a;
        }
        h3 {
            font-size: 1.8rem;
            color: #4da6ff;
            margin: 35px 0 20px;
        }
        h4 {
            font-size: 1.4rem;
            color: #80ccff;
            margin: 25px 0 15px;
        }
        p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            color: #ccd9ff;
            font-weight: 500;
            padding: 20px;
            background: rgba(42, 74, 122, 0.3);
            border-left: 5px solid #ff9a3c;
            border-radius: 5px;
            margin-bottom: 35px;
        }
        .highlight {
            background: rgba(255, 154, 60, 0.15);
            border-left: 4px solid #ff9a3c;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .img-container {
            margin: 35px auto;
            text-align: center;
            max-width: 800px;
        }
        .img-container img {
            box-shadow: 0 10px 20px rgba(0,0,0,0.7);
            border: 2px solid #3a6aaa;
        }
        .img-caption {
            font-style: italic;
            color: #aaa;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .content-link {
            font-weight: bold;
            border-bottom: 1px dashed #4da6ff;
        }
        aside {
            background: rgba(22, 38, 66, 0.7);
            border-radius: 15px;
            padding: 25px;
            border: 1px solid #2a4a7a;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.5rem;
            color: #ff9a3c;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #3a5a8a;
        }
        .internal-links {
            list-style: none;
        }
        .internal-links li {
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }
        .internal-links li:before {
            content: '➤';
            color: #4da6ff;
            position: absolute;
            left: 0;
        }
        .user-interaction {
            background: rgba(22, 38, 66, 0.9);
            border-radius: 15px;
            padding: 30px;
            margin-top: 50px;
            border: 1px solid #2a4a7a;
        }
        .rating-form, .comment-form {
            margin-bottom: 40px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffd700;
        }
        .form-group {
            margin-bottom: 25px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 15px;
            background: #152642;
            border: 2px solid #2a4a7a;
            border-radius: 8px;
            color: #fff;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #4da6ff;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(to right, #2a4a7a, #3a6aaa);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .submit-btn:hover {
            background: linear-gradient(to right, #3a6aaa, #4a8ada);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.3);
        }
        footer {
            background: #0c1a2d;
            border-top: 2px solid #2a4a7a;
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #ff9a3c;
            margin-bottom: 25px;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            margin-bottom: 12px;
            padding: 10px;
            background: rgba(42, 74, 122, 0.3);
            border-radius: 5px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(42, 74, 122, 0.7);
        }
        .copyright {
            text-align: center;
            margin-top: 50px;
            padding-top: 25px;
            border-top: 1px solid #2a4a7a;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .search-form {
                order: 3;
                width: 100%;
                margin: 20px 0 0;
            }
            .hamburger {
                display: flex;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(12, 26, 45, 0.98);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 20px;
                border-top: 1px solid #2a4a7a;
                z-index: 999;
            }
            .nav-menu.active {
                display: flex;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            article, aside {
                padding: 25px;
            }
        }