* { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #e0e0e0;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            background-attachment: fixed;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        h1, h2, h3, h4 { font-family: 'Arial Black', Gadget, sans-serif; color: #ff7b00; margin-bottom: 1rem; }
        h1 { font-size: clamp(2.5rem, 5vw, 3.8rem); border-bottom: 3px solid #ff7b00; padding-bottom: 0.5rem; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-top: 2.5rem; }
        h3 { font-size: clamp(1.4rem, 3vw, 1.8rem); margin-top: 2rem; color: #ffaa4d; }
        h4 { font-size: 1.2rem; margin-top: 1.5rem; color: #ffcc99; }
        p { margin-bottom: 1.5rem; text-align: justify; }
        a { color: #4dabf7; text-decoration: none; transition: color 0.3s ease, text-shadow 0.3s ease; }
        a:hover { color: #ff7b00; text-shadow: 0 0 8px rgba(255, 123, 0, 0.5); }
        strong { color: #ffaa4d; }
        em { font-style: italic; color: #b3d9ff; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        main.container { flex: 1; }
        header {
            background: rgba(10, 15, 30, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 2px solid #ff7b00;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(90deg, #ff7b00, #ffdd00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .my-logo:hover { transform: scale(1.05); }
        .desktop-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: bold;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .desktop-nav a:hover {
            background: rgba(255, 123, 0, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #ff7b00;
            cursor: pointer;
        }
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: rgba(10, 15, 30, 0.98);
            padding: 20px;
            border-top: 1px solid #333;
        }
        .mobile-nav.active { display: block; }
        .mobile-nav ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: #aaa;
        }
        .breadcrumb a { color: #aaa; }
        .breadcrumb a:hover { color: #ff7b00; }
        .search-box {
            margin: 2rem 0;
            background: rgba(255, 255, 255, 0.05);
            padding: 25px;
            border-radius: 10px;
            border-left: 5px solid #ff7b00;
        }
        .search-box h3 { margin-top: 0; }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #444;
            border-radius: 5px;
            background: #222;
            color: white;
            font-size: 1rem;
        }
        .search-form button {
            padding: 12px 25px;
            background: linear-gradient(90deg, #ff7b00, #ff5500);
            color: white;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.2s;
        }
        .search-form button:hover { transform: translateY(-2px); }
        article {
            background: rgba(20, 25, 45, 0.7);
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin: 2rem 0;
            border: 1px solid #333;
        }
        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 1.5rem;
            margin-bottom: 2rem;
            border-bottom: 1px dashed #444;
            font-size: 0.9rem;
            color: #aaa;
        }
        .update-time { color: #4dabf7; }
        .feature-img {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 10px;
            border: 3px solid #ff7b00;
            margin: 2rem 0;
            box-shadow: 0 5px 15px rgba(255, 123, 0, 0.3);
            transition: transform 0.5s ease;
        }
        .feature-img:hover { transform: scale(1.01); }
        .interactive-section {
            background: rgba(30, 35, 60, 0.8);
            padding: 25px;
            border-radius: 10px;
            margin: 3rem 0;
            border: 1px solid #444;
        }
        .interactive-section h3 { margin-top: 0; }
        .rating-form, .comment-form {
            display: grid;
            gap: 15px;
            margin-top: 20px;
        }
        .stars {
            display: flex;
            gap: 10px;
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active { color: #ffdd00; }
        .form-group { display: flex; flex-direction: column; }
        .form-group label { margin-bottom: 5px; font-weight: bold; }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 12px;
            background: #222;
            border: 1px solid #555;
            border-radius: 5px;
            color: white;
            font-size: 1rem;
        }
        .form-group textarea { min-height: 120px; resize: vertical; }
        .submit-btn {
            padding: 15px;
            background: linear-gradient(90deg, #00a86b, #007a4d);
            color: white;
            border: none;
            border-radius: 5px;
            font-weight: bold;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        .submit-btn:hover { background: linear-gradient(90deg, #00cc85, #00995c); }
        footer {
            background: rgba(5, 10, 20, 0.95);
            margin-top: 4rem;
            padding: 40px 0 20px;
            border-top: 2px solid #ff7b00;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 { color: #ffaa4d; margin-bottom: 1rem; }
        friend-link {
            display: block;
            margin-bottom: 8px;
            padding: 8px;
            background: rgba(255, 123, 0, 0.1);
            border-radius: 5px;
        }
        friend-link:hover { background: rgba(255, 123, 0, 0.3); }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .hamburger { display: block; }
            .header-inner { flex-wrap: wrap; }
            .search-form { flex-direction: column; }
            .article-meta { flex-direction: column; align-items: flex-start; gap: 10px; }
            .footer-content { grid-template-columns: 1fr; }
        }