* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: linear-gradient(135deg, #0c1a2a 0%, #152642 50%, #0a1625 100%);
            background-attachment: fixed;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        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;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 0.5rem; }
        .mb-2 { margin-bottom: 1rem; }
        .mb-3 { margin-bottom: 1.5rem; }
        .mb-4 { margin-bottom: 2.5rem; }
        .mt-4 { margin-top: 2.5rem; }
        .py-2 { padding-top: 1rem; padding-bottom: 1rem; }
        .py-4 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
        .site-header {
            background: rgba(10, 22, 37, 0.95);
            border-bottom: 2px solid #1a3a5f;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Georgia', serif;
            font-size: 2.2rem;
            font-weight: bold;
            background: linear-gradient(to right, #ffcc00, #ff9900);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
        }
        .my-logo:hover {
            background: linear-gradient(to right, #ffdb4d, #ffb347);
            -webkit-background-clip: text;
            background-clip: text;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            color: #b3d9ff;
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: #fff;
            border-bottom-color: #4da6ff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #b3d9ff;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(20, 40, 65, 0.7);
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin: 0 10px;
            color: #668cb3;
        }
        .breadcrumb a {
            color: #a3c2e0;
        }
        .main-content {
            flex: 1;
            padding: 30px 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: rgba(16, 30, 48, 0.8);
            border-radius: 12px;
            padding: 35px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            border: 1px solid #2a4a6e;
        }
        .article-header {
            border-bottom: 2px solid #2a4a6e;
            padding-bottom: 20px;
            margin-bottom: 30px;
        }
        h1 {
            font-size: 2.8rem;
            color: #ffcc00;
            margin-bottom: 15px;
            line-height: 1.2;
        }
        .article-meta {
            color: #94b8d6;
            font-size: 0.95rem;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .last-updated {
            color: #ff9966;
        }
        h2 {
            font-size: 2rem;
            color: #66ccff;
            margin: 2.2rem 0 1rem;
            padding-bottom: 8px;
            border-bottom: 1px dashed #3a5a80;
        }
        h3 {
            font-size: 1.6rem;
            color: #99ddff;
            margin: 1.8rem 0 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #b3e0ff;
            margin: 1.5rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.3rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            color: #c2e0ff;
            font-weight: 500;
            background: rgba(42, 74, 110, 0.3);
            padding: 20px;
            border-left: 5px solid #4da6ff;
            border-radius: 0 8px 8px 0;
            margin-bottom: 2rem;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(77, 166, 255, 0.15), transparent);
            padding: 15px 20px;
            border-radius: 8px;
            border-left: 4px solid #4da6ff;
            margin: 1.5rem 0;
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            border: 2px solid #3a5a80;
            margin: 2rem auto;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
        }
        .internal-links {
            background: rgba(30, 55, 85, 0.5);
            padding: 20px;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .internal-links h4 {
            color: #ffcc66;
            margin-top: 0;
        }
        .internal-links ul {
            columns: 2;
            gap: 20px;
        }
        .internal-links li {
            margin-bottom: 8px;
            break-inside: avoid;
        }
        @media (max-width: 768px) {
            .internal-links ul {
                columns: 1;
            }
        }
        .sidebar-widget {
            background: rgba(16, 30, 48, 0.8);
            border-radius: 12px;
            padding: 25px;
            margin-bottom: 25px;
            border: 1px solid #2a4a6e;
        }
        .sidebar-widget h3 {
            color: #ffcc66;
            font-size: 1.4rem;
            margin-top: 0;
            padding-bottom: 10px;
            border-bottom: 1px solid #3a5a80;
        }
        .search-box {
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 12px 15px;
            background: #1a2f45;
            border: 1px solid #3a5a80;
            border-radius: 8px 0 0 8px;
            color: #e0e0e0;
        }
        .search-box button {
            background: linear-gradient(to bottom, #2a75b3, #1a5a8a);
            color: white;
            border: none;
            border-radius: 0 8px 8px 0;
            padding: 0 20px;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background: linear-gradient(to bottom, #3a85c3, #2a6a9a);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ccc;
            margin: 15px 0;
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #ffcc00;
        }
        .comment-form textarea {
            width: 100%;
            height: 120px;
            padding: 12px;
            background: #1a2f45;
            border: 1px solid #3a5a80;
            border-radius: 8px;
            color: #e0e0e0;
            resize: vertical;
            margin-bottom: 15px;
        }
        .comment-form button {
            background: linear-gradient(to right, #2a8c2a, #1f6a1f);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 8px;
            cursor: pointer;
            width: 100%;
            font-weight: bold;
            transition: background 0.3s;
        }
        .comment-form button:hover {
            background: linear-gradient(to right, #3a9c3a, #2f7a2f);
        }
        .site-footer {
            background: rgba(8, 18, 30, 0.95);
            border-top: 2px solid #1a3a5f;
            margin-top: auto;
            padding: 40px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        @media (max-width: 768px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 480px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .footer-section h4 {
            color: #ffcc66;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        friend-link {
            display: block;
            padding: 8px 0;
            border-bottom: 1px dotted #3a5a80;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2a4a6e;
            color: #94b8d6;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.7rem; }
            h3 { font-size: 1.4rem; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10, 22, 37, 0.98);
                padding: 20px;
                border-top: 1px solid #1a3a5f;
                box-shadow: 0 10px 20px rgba(0,0,0,0.3);
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .article-content,
            .sidebar-widget {
                padding: 25px 20px;
            }
        }