* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-dark: #0a1a2d;
            --primary-accent: #1a6dcc;
            --secondary-accent: #e63946;
            --text-light: #f1faee;
            --text-gray: #a8dadc;
            --bg-card: #1d3557;
            --border-light: #457b9d;
            --spacing-unit: 1rem;
            --border-radius: 8px;
            --transition-speed: 0.3s;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--primary-dark);
            color: var(--text-light);
            line-height: 1.7;
            overflow-x: hidden;
            max-width: 100%;
        }
        a {
            color: var(--text-gray);
            text-decoration: none;
            transition: color var(--transition-speed) ease;
        }
        a:hover {
            color: var(--primary-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--border-radius);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-unit);
        }
        .text-center { text-align: center; }
        .text-accent { color: var(--primary-accent); }
        .text-warning { color: var(--secondary-accent); }
        .bold { font-weight: 700; }
        .section-padding {
            padding: 3rem 0;
        }
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        .site-header {
            background-color: rgba(10, 26, 45, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-light);
            padding: 1rem 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        .main-nav ul {
            display: flex;
            gap: 2rem;
            list-style: none;
        }
        .main-nav a {
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-accent);
            transition: width var(--transition-speed) ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
            background: none;
            border: none;
        }
        .breadcrumb {
            background-color: var(--bg-card);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 1rem 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--text-gray);
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb .separator {
            margin: 0 0.5rem;
            color: var(--border-light);
        }
        .hero {
            text-align: center;
            padding: 4rem 1rem;
            background: linear-gradient(rgba(10, 26, 45, 0.9), rgba(10, 26, 45, 0.95)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
            border-radius: var(--border-radius);
            margin-bottom: 2rem;
        }
        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            color: var(--text-gray);
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            align-items: start;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        .main-article h1, .main-article h2, .main-article h3, .main-article h4 {
            margin-top: 2.5rem;
            margin-bottom: 1rem;
            line-height: 1.3;
            color: var(--text-light);
        }
        .main-article h1 { font-size: 2.8rem; color: var(--primary-accent); border-bottom: 3px solid; padding-bottom: 0.5rem; }
        .main-article h2 { font-size: 2.2rem; color: var(--text-light); padding-left: 0.5rem; border-left: 4px solid var(--secondary-accent); }
        .main-article h3 { font-size: 1.8rem; color: var(--text-gray); }
        .main-article h4 { font-size: 1.4rem; color: var(--text-gray); }
        .main-article p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .main-article .highlight {
            background-color: rgba(26, 109, 204, 0.1);
            border-left: 4px solid var(--primary-accent);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .main-article ul, .main-article ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }
        .main-article li {
            margin-bottom: 0.5rem;
        }
        .article-img {
            margin: 2rem auto;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 2px solid var(--border-light);
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-gray);
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .last-updated {
            font-size: 0.9rem;
            color: var(--text-gray);
            text-align: right;
            margin-top: 3rem;
            padding-top: 1rem;
            border-top: 1px dashed var(--border-light);
        }
        .sidebar {
            background-color: var(--bg-card);
            padding: 2rem;
            border-radius: var(--border-radius);
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 2.5rem;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-bottom: 1rem;
            color: var(--text-light);
            border-bottom: 2px solid var(--primary-accent);
            padding-bottom: 0.5rem;
        }
        .search-form {
            display: flex;
            margin-bottom: 1rem;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem;
            border: 1px solid var(--border-light);
            background-color: rgba(255, 255, 255, 0.05);
            color: var(--text-light);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
        }
        .search-form button {
            background-color: var(--primary-accent);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: background-color var(--transition-speed);
        }
        .search-form button:hover {
            background-color: #155aa0;
        }
        .comment-form, .rating-form {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-top: 1.5rem;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--border-light);
            background-color: rgba(255, 255, 255, 0.05);
            color: var(--text-light);
            border-radius: var(--border-radius);
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .submit-btn {
            background-color: var(--secondary-accent);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            width: 100%;
            transition: background-color var(--transition-speed);
        }
        .submit-btn:hover {
            background-color: #c1121f;
        }
        .star-rating {
            display: flex;
            justify-content: space-between;
            margin: 1rem 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color var(--transition-speed);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: gold;
        }
        .internal-links {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
        }
        .internal-links h3 {
            color: var(--text-light);
            margin-bottom: 1rem;
        }
        .internal-links ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .internal-links li {
            background-color: var(--bg-card);
            padding: 0.8rem;
            border-radius: var(--border-radius);
            transition: transform var(--transition-speed), background-color var(--transition-speed);
        }
        .internal-links li:hover {
            transform: translateY(-3px);
            background-color: rgba(26, 109, 204, 0.2);
        }
        .internal-links a {
            display: block;
            color: var(--text-gray);
        }
        .internal-links a:hover {
            color: var(--text-light);
        }
        .site-footer {
            background-color: #070f1c;
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-top: 1px solid var(--border-light);
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-widget h4 {
            font-size: 1.2rem;
            margin-bottom: 1.5rem;
            color: var(--text-light);
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-light);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--primary-dark);
                border-top: 1px solid var(--border-light);
                padding: 1rem;
                transform: translateY(-150%);
                opacity: 0;
                transition: transform var(--transition-speed), opacity var(--transition-speed);
                z-index: 999;
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 1rem;
            }
            .hero {
                padding: 3rem 1rem;
            }
            .main-article h1 {
                font-size: 2.2rem;
            }
            .main-article h2 {
                font-size: 1.8rem;
            }
        }