* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0a0e17;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #4dabf7;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #1c7ed6;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background: linear-gradient(135deg, #0c162d 0%, #1a2b4a 100%);
            padding: 1rem 0;
            border-bottom: 2px solid #2a4365;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #00c6ff, #0072ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: #cbd5e0;
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: rgba(66, 153, 225, 0.15);
            color: #90cdf4;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #cbd5e0;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #111827;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #a0aec0;
        }
        .breadcrumb a:hover {
            color: #4dabf7;
        }
        .breadcrumb span {
            color: #718096;
            margin: 0 8px;
        }
        .search-container {
            background-color: #1a202c;
            padding: 2rem 0;
            text-align: center;
            margin: 1rem 0;
            border-radius: 8px;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid #2d3748;
            border-radius: 8px 0 0 8px;
            background-color: #2d3748;
            color: #e2e8f0;
            font-size: 1rem;
        }
        .search-input:focus {
            outline: none;
            border-color: #4299e1;
        }
        .search-button {
            padding: 0 25px;
            background: linear-gradient(90deg, #4299e1, #3182ce);
            color: white;
            border: none;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-button:hover {
            background: linear-gradient(90deg, #3182ce, #2c5282);
        }
        .main-content {
            padding: 2rem 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: #111827;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
        }
        .sidebar {
            background-color: #1a202c;
            padding: 1.5rem;
            border-radius: 12px;
            height: fit-content;
        }
        .sidebar h3 {
            color: #63b3ed;
            border-bottom: 2px solid #2d3748;
            padding-bottom: 0.5rem;
            margin-bottom: 1rem;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 0.8rem;
            padding-left: 1rem;
            border-left: 3px solid #4299e1;
        }
        h1 {
            font-size: 3.2rem;
            color: #00c6ff;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
        }
        h2 {
            font-size: 2.2rem;
            color: #4fd1c7;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2d3748;
        }
        h3 {
            font-size: 1.8rem;
            color: #68d391;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #fbb6ce;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            color: #cbd5e0;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: #a0aec0;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: rgba(66, 153, 225, 0.1);
            border-left: 4px solid #4299e1;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
            background-color: #0c162d;
            padding: 2rem;
            border-radius: 10px;
            border: 1px solid #2a4365;
        }
        .stat-item {
            text-align: center;
        }
        .stat-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: #00c6ff;
            display: block;
        }
        .stat-label {
            font-size: 1rem;
            color: #a0aec0;
        }
        .article-image {
            width: 100%;
            border-radius: 10px;
            margin: 2.5rem auto;
            border: 2px solid #2d3748;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
        }
        .user-interaction {
            background-color: #1a202c;
            padding: 2rem;
            border-radius: 12px;
            margin: 3rem 0;
            border: 1px solid #4a5568;
        }
        .interaction-title {
            color: #f6ad55;
            margin-bottom: 1.5rem;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
            margin-top: 1.5rem;
        }
        .star-rating {
            display: flex;
            gap: 10px;
            direction: rtl;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #4a5568;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #f6e05e;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-label {
            margin-bottom: 0.5rem;
            color: #cbd5e0;
            font-weight: 600;
        }
        .form-input, .form-textarea {
            padding: 12px 15px;
            border-radius: 6px;
            border: 1px solid #4a5568;
            background-color: #2d3748;
            color: #e2e8f0;
            font-size: 1rem;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            padding: 15px 30px;
            background: linear-gradient(90deg, #38a169, #2f855a);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            align-self: flex-start;
            transition: background 0.3s;
        }
        .submit-button:hover {
            background: linear-gradient(90deg, #2f855a, #276749);
        }
        .site-footer {
            background: linear-gradient(135deg, #0c162d 0%, #1a2b4a 100%);
            padding: 3rem 0 2rem;
            margin-top: 4rem;
            border-top: 2px solid #2a4365;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #00c6ff, #0072ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            margin-bottom: 1rem;
        }
        .footer-heading {
            color: #4fd1c7;
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.8rem;
        }
        friend-link {
            display: block;
            padding: 1rem;
            background-color: rgba(66, 153, 225, 0.08);
            border-radius: 6px;
            margin-bottom: 1rem;
            border-left: 4px solid #4299e1;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #2d3748;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .header-container { flex-wrap: wrap; }
            .main-nav {
                width: 100%;
                display: none;
                margin-top: 1rem;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0.5rem;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-radius: 6px;
            }
            .hamburger {
                display: block;
            }
            .article-content {
                padding: 1.5rem;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
        }