:root {
            --primary-dark: #0c1b33;
            --primary-accent: #00a8e8;
            --secondary-accent: #ff4655;
            --neutral-light: #f5f7fa;
            --neutral-mid: #8a9ba8;
            --neutral-dark: #394b59;
            --shadow: 0 4px 12px rgba(12, 27, 51, 0.15);
            --border-radius: 8px;
            --transition: all 0.3s ease;
            font-size: 16px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f0f2f5;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--primary-dark);
            color: white;
            padding: 1rem 0;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
            background: linear-gradient(90deg, #00a8e8, #ff4655);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .my-logo a {
            color: transparent;
            background: none;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-desktop a {
            color: var(--neutral-light);
            font-weight: 500;
        }
        .nav-desktop a:hover {
            color: var(--primary-accent);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--primary-dark);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: var(--shadow);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: white;
            padding: 0.75rem 0;
            border-bottom: 1px solid var(--neutral-dark);
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: var(--neutral-light);
            font-size: 0.9rem;
            color: var(--neutral-mid);
        }
        .breadcrumb a {
            color: var(--neutral-mid);
        }
        .breadcrumb a:hover {
            color: var(--primary-accent);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            padding: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-body {
            background-color: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .article-body h1 {
            color: var(--primary-dark);
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--primary-accent);
            padding-bottom: 0.5rem;
        }
        .article-body h2 {
            color: var(--primary-dark);
            font-size: 1.8rem;
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid #eee;
        }
        .article-body h3 {
            color: var(--neutral-dark);
            font-size: 1.4rem;
            margin: 1.8rem 0 0.8rem;
        }
        .article-body h4 {
            color: var(--neutral-dark);
            font-size: 1.1rem;
            margin: 1.5rem 0 0.5rem;
        }
        .article-body p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .article-body strong {
            color: var(--primary-dark);
            font-weight: 700;
        }
        .article-body em {
            color: var(--neutral-dark);
        }
        .highlight-box {
            background-color: #e8f4fc;
            border-left: 4px solid var(--primary-accent);
            padding: 1.5rem;
            margin: 1.5rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            text-align: center;
            font-style: italic;
            color: var(--neutral-mid);
            padding: 0.5rem;
            background-color: #f9f9f9;
        }
        .update-time {
            color: var(--neutral-mid);
            font-size: 0.9rem;
            margin-bottom: 2rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background-color: white;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .widget h3 {
            color: var(--primary-dark);
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--primary-accent);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-right: none;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
        }
        .search-form button {
            background-color: var(--primary-accent);
            color: white;
            border: none;
            padding: 0 1.2rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: var(--primary-dark);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            font-size: 1.8rem;
            color: #ddd;
            margin: 0.5rem 0;
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active {
            color: #ffc107;
        }
        .comment-form textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: var(--border-radius);
            margin-bottom: 0.8rem;
            resize: vertical;
            min-height: 100px;
        }
        .comment-form button {
            background-color: var(--secondary-accent);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }
        .comment-form button:hover {
            background-color: #e03a4c;
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: var(--neutral-light);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--primary-accent);
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #b0b7c3;
        }
        .footer-links a:hover {
            color: white;
        }
        friend-link {
            display: block;
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin-bottom: 1rem;
            border-left: 3px solid var(--primary-accent);
        }
        friend-link a {
            color: var(--primary-accent);
            font-weight: 500;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--neutral-dark);
            color: var(--neutral-mid);
            font-size: 0.9rem;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .tag {
            display: inline-block;
            background-color: #e8f4fc;
            color: var(--primary-accent);
            padding: 0.2rem 0.6rem;
            border-radius: 20px;
            font-size: 0.8rem;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        .divider {
            height: 1px;
            background: linear-gradient(to right, transparent, var(--neutral-mid), transparent);
            margin: 2rem 0;
        }
        @media (max-width: 768px) {
            .article-body {
                padding: 1.5rem;
            }
            .article-body h1 {
                font-size: 2rem;
            }
            .article-body h2 {
                font-size: 1.5rem;
            }
        }