:root {
            --primary: #1a1a2e;
            --secondary: #16213e;
            --accent: #f05454;
            --accent-light: #ff7b7b;
            --text: #e6e6e6;
            --text-muted: #b0b0b0;
            --card-bg: #0f3460;
            --border: #2d4059;
            --success: #4CAF50;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: var(--text);
            line-height: 1.7;
            min-height: 100vh;
            padding-top: 80px; 
        }
        a {
            color: var(--accent-light);
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #fff;
            text-decoration: underline;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(10, 10, 20, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            border-bottom: 2px solid var(--accent);
            box-shadow: 0 5px 20px rgba(240, 84, 84, 0.15);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--accent), #ffcc00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
            text-shadow: 0 2px 5px rgba(0,0,0,0.3);
        }
        .my-logo:hover {
            text-decoration: none;
        }
        .breadcrumb {
            padding: 10px 20px;
            background-color: rgba(15, 52, 96, 0.5);
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav a {
            font-weight: 600;
            padding: 5px 0;
            position: relative;
        }
        nav a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--accent);
            transition: width 0.3s ease;
        }
        nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }
        .hamburger span {
            width: 25px;
            height: 3px;
            background-color: var(--text);
            border-radius: 2px;
            transition: 0.3s;
        }
        .search-container {
            margin: 30px auto;
            max-width: 600px;
            display: flex;
        }
        .search-container input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid var(--border);
            border-radius: 50px 0 0 50px;
            background: var(--card-bg);
            color: var(--text);
            font-size: 1rem;
            outline: none;
        }
        .search-container button {
            background: linear-gradient(to right, var(--accent), var(--accent-light));
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: bold;
            transition: transform 0.2s;
        }
        .search-container button:hover {
            transform: scale(1.05);
        }
        main {
            padding: 30px 0;
        }
        article {
            background-color: var(--card-bg);
            border-radius: 15px;
            padding: 40px;
            margin-bottom: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
            border: 1px solid var(--border);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            color: #fff;
            line-height: 1.2;
            text-align: center;
        }
        h2 {
            font-size: 2rem;
            color: var(--accent-light);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px dashed var(--border);
        }
        h3 {
            font-size: 1.6rem;
            color: #ffcc00;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--text);
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 300;
            color: var(--text-muted);
            text-align: center;
            margin-bottom: 30px;
        }
        .highlight {
            background-color: rgba(240, 84, 84, 0.1);
            border-left: 4px solid var(--accent);
            padding: 15px 20px;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
        }
        .article-img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            border: 3px solid var(--border);
            box-shadow: 0 8px 20px rgba(0,0,0,0.5);
            transition: transform 0.5s ease;
        }
        .article-img:hover {
            transform: scale(1.02);
        }
        .caption {
            font-style: italic;
            color: var(--text-muted);
            margin-top: 10px;
            font-size: 0.9rem;
        }
        .internal-links {
            background-color: rgba(255,255,255,0.05);
            border-radius: 10px;
            padding: 25px;
            margin: 30px 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
        }
        .internal-links a {
            display: block;
            padding: 10px 15px;
            background-color: var(--secondary);
            border-radius: 6px;
            transition: all 0.3s ease;
        }
        .internal-links a:hover {
            background-color: var(--accent);
            text-decoration: none;
            transform: translateX(5px);
        }
        .user-feedback {
            background-color: rgba(15, 52, 96, 0.7);
            border-radius: 15px;
            padding: 30px;
            margin-top: 50px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background-color: rgba(255,255,255,0.1);
            color: var(--text);
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }
        .stars {
            display: flex;
            gap: 10px;
            direction: rtl; 
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2rem;
            color: #444;
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars input:checked ~ label,
        .stars label:hover,
        .stars label:hover ~ label {
            color: #ffcc00;
        }
        .submit-btn {
            background: linear-gradient(to right, var(--accent), #e63946);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            display: block;
            width: 100%;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(240, 84, 84, 0.4);
        }
        footer {
            background-color: #0a0a14;
            padding: 40px 0 20px;
            margin-top: 50px;
            border-top: 2px solid var(--accent);
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--accent-light);
        }
        .friend-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        friend-link {
            display: block;
            padding: 8px 0;
            border-bottom: 1px dotted var(--border);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        .update-time {
            color: var(--accent-light);
            font-weight: bold;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.8rem; }
            .header-container { flex-wrap: wrap; }
        }
        @media (max-width: 768px) {
            nav ul {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: rgba(10, 10, 20, 0.98);
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: flex;
            }
            .hamburger.active span:nth-child(1) {
                transform: rotate(45deg) translate(6px, 6px);
            }
            .hamburger.active span:nth-child(2) {
                opacity: 0;
            }
            .hamburger.active span:nth-child(3) {
                transform: rotate(-45deg) translate(6px, -6px);
            }
            .internal-links {
                grid-template-columns: 1fr;
            }
            .footer-content {
                flex-direction: column;
                gap: 30px;
            }
        }