* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-dark: #1a365d;
            --primary-accent: #e53e3e;
            --secondary-accent: #2d3748;
            --light-bg: #f7fafc;
            --text-dark: #2d3748;
            --text-light: #718096;
            --border-color: #e2e8f0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--primary-accent), #c53030);
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-accent));
            transform: translateY(-2px);
            text-decoration: none;
        }
        .section {
            padding: 60px 0;
        }
        .text-center { text-align: center; }
        .mb-1 { margin-bottom: 1rem; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .site-header {
            background-color: white;
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo a {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-dark);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i {
            color: var(--primary-accent);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop { display: none; }
        }
        .nav-desktop a {
            color: var(--secondary-accent);
            font-weight: 600;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary-dark);
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
        }
        .nav-mobile {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: white;
            box-shadow: var(--shadow);
            flex-direction: column;
            padding: 20px;
            display: none;
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            color: var(--secondary-accent);
            font-weight: 600;
        }
        .breadcrumb {
            padding: 15px 20px;
            background-color: #edf2f7;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .hero {
            background: linear-gradient(rgba(26, 54, 93, 0.9), rgba(26, 54, 93, 0.8)), url('https://images.unsplash.com/photo-1598440947619-2c35fc9aa908?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            color: white;
            padding: 80px 20px;
            text-align: center;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            padding: 40px 20px;
            flex: 1;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-content {
            background: white;
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .sidebar {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        .sidebar h3 {
            border-bottom: 2px solid var(--primary-accent);
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        h1, h2, h3, h4 {
            color: var(--primary-dark);
            margin-top: 2rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2.2rem; border-left: 5px solid var(--primary-accent); padding-left: 15px; }
        h3 { font-size: 1.8rem; }
        h4 { font-size: 1.4rem; color: var(--secondary-accent); }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-content strong {
            color: var(--primary-dark);
            background-color: #feebc8;
            padding: 2px 5px;
            border-radius: 3px;
        }
        .highlight-box {
            background: linear-gradient(135deg, #e6fffa, #b2f5ea);
            border-left: 5px solid #38b2ac;
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .inline-img {
            float: right;
            margin: 15px 0 15px 30px;
            max-width: 400px;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }
        @media (max-width: 768px) {
            .inline-img {
                float: none;
                margin: 20px auto;
                max-width: 100%;
            }
        }
        .search-box, .comment-form, .rating-form {
            background: var(--light-bg);
            padding: 25px;
            border-radius: 8px;
            margin: 40px 0;
            border: 1px solid var(--border-color);
        }
        .search-box form, .comment-form form, .rating-form form {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .search-box input, .comment-form input, .comment-form textarea, .rating-form select {
            flex: 1;
            min-width: 200px;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
        }
        .comment-form textarea {
            min-height: 150px;
            width: 100%;
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #e2e8f0;
            margin: 10px 0;
        }
        .stars .active {
            color: #f6ad55;
        }
        .site-footer {
            background-color: var(--primary-dark);
            color: white;
            padding: 50px 20px 20px;
            margin-top: auto;
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 15px;
        }
        .footer-links h4 {
            color: #cbd5e0;
            border-bottom: 1px solid #4a5568;
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #a0aec0;
        }
        .footer-links a:hover {
            color: white;
        }
        friend-link {
            display: block;
            background: #2d3748;
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
        friend-link a {
            color: #63b3ed;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 0.9rem;
        }
        .last-updated {
            text-align: right;
            font-style: italic;
            color: var(--text-light);
            font-size: 0.9rem;
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px dashed var(--border-color);
        }