* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #0f1b2f 0%, #1a2b3e 100%);
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #00a8ff;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff9f00;
        }
        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(90deg, #00a8ff, #0097e6);
            color: white;
            padding: 12px 24px;
            border-radius: 30px;
            font-weight: bold;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(90deg, #ff9f00, #e67e22);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 159, 0, 0.3);
        }
        header {
            background: rgba(15, 27, 47, 0.95);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 900;
            color: #ff9f00;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
            letter-spacing: 1px;
        }
        .logo a span {
            color: #00a8ff;
        }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .desktop-nav a {
            color: #e0e0e0;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .desktop-nav a:hover {
            background: rgba(0, 168, 255, 0.2);
        }
        .mobile-menu-toggle {
            display: none;
            font-size: 1.8rem;
            color: #ff9f00;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: rgba(15, 27, 47, 0.98);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 20px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav ul {
            list-style: none;
        }
        .mobile-nav li {
            margin: 15px 0;
        }
        .mobile-nav a {
            color: #e0e0e0;
            font-size: 1.2rem;
            display: block;
            padding: 10px;
            border-left: 4px solid #00a8ff;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #ff9f00;
        }
        main {
            padding: 30px 0;
            background: rgba(26, 43, 62, 0.8);
        }
        article {
            background: rgba(31, 45, 64, 0.9);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: 30px;
        }
        h1 {
            font-size: 2.8rem;
            color: #ff9f00;
            margin-bottom: 20px;
            text-align: center;
            text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
        }
        h2 {
            font-size: 2.2rem;
            color: #00a8ff;
            margin: 40px 0 20px;
            border-left: 5px solid #ff9f00;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: #e0e0e0;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #ccc;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(255, 159, 0, 0.1);
            border-left: 4px solid #ff9f00;
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        .featured-image {
            width: 80%;
            margin: 30px auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.6);
        }
        .featured-image img {
            width: 100%;
            transition: transform 0.5s ease;
        }
        .featured-image:hover img {
            transform: scale(1.03);
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .link-item {
            background: rgba(0, 168, 255, 0.1);
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            transition: transform 0.3s ease;
        }
        .link-item:hover {
            transform: translateY(-5px);
            background: rgba(255, 159, 0, 0.1);
        }
        .functional-section {
            margin: 50px 0;
            padding: 30px;
            background: rgba(15, 27, 47, 0.7);
            border-radius: 15px;
            border: 2px solid #00a8ff;
        }
        .functional-section h2 {
            border-left: none;
            text-align: center;
            color: #ff9f00;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
            color: #ccc;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px;
            border: 1px solid #444;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.1);
            color: #e0e0e0;
            font-size: 1rem;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: #00a8ff;
            box-shadow: 0 0 8px rgba(0, 168, 255, 0.5);
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #ff9f00;
            cursor: pointer;
            justify-content: center;
        }
        .rating-stars span:hover,
        .rating-stars span.active {
            color: #ffdd00;
        }
        footer {
            background: #0f1b2f;
            padding: 40px 0 20px;
            border-top: 3px solid #ff9f00;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 30px;
        }
        .friend-links a {
            color: #ccc;
            padding: 10px 15px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 5px;
        }
        .friend-links a:hover {
            background: rgba(0, 168, 255, 0.2);
            color: #ff9f00;
        }
        .copyright {
            text-align: center;
            color: #888;
            font-size: 0.9rem;
            padding-top: 20px;
            border-top: 1px solid #333;
        }
        @media (max-width: 992px) {
            .container {
                padding: 0 15px;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 2rem;
            }
            .desktop-nav {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            article {
                padding: 30px 20px;
            }
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .functional-section {
                padding: 20px;
            }
            .link-list {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .logo a {
                font-size: 1.8rem;
            }
            .btn {
                padding: 10px 20px;
            }
            .featured-image {
                width: 100%;
            }
        }