:root {
            --primary-dark: #1a1a2e;
            --primary-accent: #4cc9f0;
            --secondary-accent: #4361ee;
            --text-light: #f8f9fa;
            --text-grey: #adb5bd;
            --card-bg: #16213e;
            --border-radius: 12px;
            --shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-light);
            background: linear-gradient(135deg, var(--primary-dark) 0%, #0f3460 100%);
            min-height: 100vh;
        }
        a {
            color: var(--primary-accent);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #fff;
            text-shadow: 0 0 8px var(--primary-accent);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(26, 26, 46, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(76, 201, 240, 0.2);
            padding: 1rem 0;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary-accent), var(--secondary-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo:hover {
            transform: scale(1.02);
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            font-weight: 600;
            font-size: 1.05rem;
            position: relative;
            padding: 0.5rem 0;
        }
        nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-accent);
            transition: width 0.3s ease;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--primary-accent);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: var(--text-grey);
        }
        .breadcrumb a {
            color: var(--text-grey);
        }
        .breadcrumb a:hover {
            color: var(--primary-accent);
        }
        main {
            padding: 2rem 0 4rem;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding: 2rem;
            background: rgba(22, 33, 62, 0.7);
            border-radius: var(--border-radius);
            border-left: 5px solid var(--primary-accent);
        }
        h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            line-height: 1.2;
            background: linear-gradient(90deg, #fff, var(--primary-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        h2 {
            font-size: 2.4rem;
            margin: 2.5rem 0 1.2rem;
            color: var(--primary-accent);
            border-bottom: 2px solid rgba(76, 201, 240, 0.3);
            padding-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: #a9d6e5;
        }
        h4 {
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
            color: var(--text-grey);
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: var(--text-light);
            margin-bottom: 2rem;
            line-height: 1.9;
        }
        .highlight {
            background: rgba(76, 201, 240, 0.15);
            padding: 1.5rem;
            border-left: 4px solid var(--primary-accent);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 2rem 0;
        }
        .image-container {
            margin: 2.5rem auto;
            text-align: center;
            max-width: 900px;
        }
        .article-img {
            width: 100%;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid rgba(76, 201, 240, 0.2);
        }
        .article-img:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
        }
        .img-caption {
            font-style: italic;
            color: var(--text-grey);
            margin-top: 0.8rem;
            font-size: 0.95rem;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        .sidebar {
            background: var(--card-bg);
            padding: 2rem;
            border-radius: var(--border-radius);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            margin-top: 0;
        }
        .update-time {
            background: rgba(26, 26, 46, 0.7);
            padding: 1rem;
            border-radius: var(--border-radius);
            margin: 2rem 0;
            font-size: 0.95rem;
            color: var(--text-grey);
            border: 1px dashed var(--secondary-accent);
        }
        .search-box {
            margin-bottom: 2rem;
        }
        .search-box form {
            display: flex;
        }
        .search-box input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 1px solid rgba(76, 201, 240, 0.4);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            background: rgba(26, 26, 46, 0.8);
            color: var(--text-light);
            font-size: 1rem;
        }
        .search-box button {
            background: linear-gradient(90deg, var(--secondary-accent), var(--primary-accent));
            color: white;
            border: none;
            padding: 0 1.8rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .search-box button:hover {
            opacity: 0.9;
            transform: scale(1.02);
        }
        .rating-widget, .comment-form {
            background: var(--card-bg);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin-top: 3rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #ffd700;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--text-light);
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 0.9rem;
            border-radius: var(--border-radius);
            border: 1px solid rgba(76, 201, 240, 0.4);
            background: rgba(26, 26, 46, 0.8);
            color: var(--text-light);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .form-group input:focus, .form-group textarea:focus {
            outline: none;
            border-color: var(--primary-accent);
            box-shadow: 0 0 0 3px rgba(76, 201, 240, 0.2);
        }
        .submit-btn {
            background: linear-gradient(90deg, var(--secondary-accent), var(--primary-accent));
            color: white;
            border: none;
            padding: 1rem 2.5rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-size: 1.1rem;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0, 0, 0, 0.3);
        }
        footer {
            background-color: rgba(15, 23, 42, 0.95);
            padding: 3rem 0 1.5rem;
            border-top: 1px solid rgba(76, 201, 240, 0.2);
        }
        .footer-content {
            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: 1.5rem;
            font-size: 1.3rem;
        }
        friend-link {
            display: block;
            margin-bottom: 0.8rem;
            padding: 0.5rem 0;
            border-bottom: 1px dotted rgba(255,255,255,0.1);
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: var(--text-grey);
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            h1 {
                font-size: 2.8rem;
            }
            h2 {
                font-size: 2.1rem;
            }
        }
        @media (max-width: 768px) {
            nav ul {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: var(--primary-dark);
                flex-direction: column;
                padding: 1rem 0;
                box-shadow: 0 10px 15px rgba(0,0,0,0.3);
                border-top: 1px solid rgba(76, 201, 240, 0.2);
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                text-align: center;
                padding: 0.8rem 0;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            .header-content {
                flex-wrap: wrap;
            }
        }
        @media (max-width: 480px) {
            .container {
                padding: 0 15px;
            }
            h1 {
                font-size: 2rem;
            }
            .lead {
                font-size: 1.1rem;
            }
            .rating-widget, .comment-form, .sidebar {
                padding: 1.5rem;
            }
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .bold {
            font-weight: 700;
            color: var(--primary-accent);
        }
        .note {
            background: rgba(255, 193, 7, 0.1);
            border-left: 4px solid #ffc107;
            padding: 1rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 1.5rem 0;
        }
        .quote {
            font-style: italic;
            color: var(--text-grey);
            border-left: 3px solid var(--secondary-accent);
            padding-left: 1.5rem;
            margin: 2rem 0;
        }