* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #0a1a2a 0%, #1a3a5a 100%);
            color: #e0e0e0;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease, text-shadow 0.3s ease;
        }
        a:hover {
            color: #80ccff;
            text-shadow: 0 0 8px rgba(77, 166, 255, 0.5);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #d35400, #e67e22);
            color: white;
            padding: 12px 28px;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(211, 84, 0, 0.3);
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(211, 84, 0, 0.5);
            background: linear-gradient(to right, #e67e22, #f39c12);
        }
        .section-padding {
            padding: 60px 0;
        }
        h1, h2, h3, h4 {
            color: #fff;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
        }
        h1 {
            font-size: 3.5rem;
            background: linear-gradient(90deg, #ff9900, #ffcc00);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-align: center;
            margin-top: 1rem;
        }
        h2 {
            font-size: 2.5rem;
            color: #4da6ff;
            border-left: 5px solid #e67e22;
            padding-left: 15px;
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #f39c12;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #a3d9ff;
            margin-top: 1.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            color: #b3d9ff;
            font-weight: 300;
            text-align: center;
            max-width: 800px;
            margin: 0 auto 2.5rem;
        }
        .highlight {
            background-color: rgba(255, 153, 0, 0.15);
            border-left: 4px solid #ff9900;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 8px 8px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .main-header {
            background-color: rgba(10, 26, 42, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
            border-bottom: 1px solid #2a4a6a;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(45deg, #ff9900, #ff3300);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            font-size: 2.2rem;
            color: #ff9900;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .main-nav a {
            color: #ccd6f6;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 5px;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: linear-gradient(90deg, #ff9900, #ff3300);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #ff9900;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: rgba(30, 60, 90, 0.7);
            padding: 15px 20px;
            font-size: 0.9rem;
            border-bottom: 1px solid #3a5a7a;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
        }
        .breadcrumb li {
            display: inline;
            margin-right: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: #aaa;
        }
        .breadcrumb a {
            color: #a3d9ff;
        }
        .search-container {
            background: linear-gradient(135deg, #1a3a5a, #2a4a6a);
            padding: 40px 20px;
            text-align: center;
            border-radius: 10px;
            margin: 30px auto;
            max-width: 800px;
            box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.3);
        }
        .search-container h2 {
            border: none;
            color: #ffcc00;
            margin-bottom: 20px;
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 30px 0 0 30px;
            background: #0a1a2a;
            color: white;
            font-size: 1.1rem;
            outline: none;
            border: 2px solid #4da6ff;
            border-right: none;
        }
        .search-btn {
            background: linear-gradient(to right, #4da6ff, #1a8cff);
            color: white;
            border: none;
            border-radius: 0 30px 30px 0;
            padding: 0 30px;
            cursor: pointer;
            font-weight: 600;
            transition: background 0.3s;
        }
        .search-btn:hover {
            background: linear-gradient(to right, #1a8cff, #0073e6);
        }
        .main-content {
            flex: 1;
            padding: 20px 0;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: rgba(20, 40, 60, 0.7);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #3a5a7a;
        }
        .sidebar {
            background-color: rgba(25, 45, 65, 0.8);
            padding: 25px;
            border-radius: 15px;
            align-self: start;
            position: sticky;
            top: 120px;
            border: 1px solid #4a6a8a;
        }
        .sidebar h3 {
            color: #ff9900;
            border-bottom: 2px solid #ff9900;
            padding-bottom: 10px;
            margin-bottom: 20px;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #4a6a8a;
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            margin: 30px 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.7);
            border: 2px solid #ff9900;
        }
        .interactive-section {
            background: rgba(30, 60, 90, 0.5);
            border-radius: 10px;
            padding: 30px;
            margin: 40px 0;
            border-left: 5px solid #e67e22;
        }
        .rating-container, .comment-container {
            margin-top: 25px;
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 15px 0;
        }
        .star {
            font-size: 2rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #a3d9ff;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border-radius: 8px;
            border: 1px solid #4a6a8a;
            background-color: #0a1a2a;
            color: white;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: #4da6ff;
            box-shadow: 0 0 0 3px rgba(77, 166, 255, 0.2);
        }
        .main-footer {
            background-color: #0a1a2a;
            border-top: 2px solid #2a4a6a;
            margin-top: 60px;
            padding: 40px 0 20px;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 40px;
        }
        .footer-logo {
            flex: 1;
            min-width: 250px;
        }
        .footer-links {
            flex: 2;
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            min-width: 300px;
        }
        .footer-col h4 {
            color: #ff9900;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        friend-link {
            display: block;
            background: rgba(42, 74, 106, 0.5);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 10px;
            border-left: 4px solid #4da6ff;
            transition: transform 0.3s, background 0.3s;
        }
        friend-link:hover {
            transform: translateX(5px);
            background: rgba(42, 74, 106, 0.8);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            margin-top: 30px;
            border-top: 1px solid #2a4a6a;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.5rem; }
            .header-container { flex-wrap: wrap; }
            .main-nav {
                display: none;
                width: 100%;
                order: 3;
                margin-top: 15px;
            }
            .main-nav.active {
                display: block;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                border-bottom: 1px solid #2a4a6a;
            }
            .main-nav a {
                display: block;
                padding: 15px;
            }
            .hamburger {
                display: block;
            }
            .article-content, .sidebar {
                padding: 25px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 30px;
                margin-bottom: 10px;
                border: 2px solid #4da6ff;
            }
            .search-btn {
                border-radius: 30px;
                padding: 15px;
            }
            .footer-container {
                flex-direction: column;
            }
        }