* { 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: #f0f0f0;
            background: linear-gradient(135deg, #0c1a2d 0%, #1a3a5f 100%);
            background-attachment: fixed;
            max-width: 120rem;
            margin: 0 auto;
            padding: 0 1rem;
        }
        h1, h2, h3, h4 { font-weight: 700; color: #00ccff; margin-bottom: 1.5rem; }
        h1 { font-size: clamp(2.5rem, 5vw, 4rem); border-bottom: 3px solid #ff6600; padding-bottom: 0.5rem; }
        h2 { font-size: clamp(2rem, 4vw, 2.8rem); margin-top: 3rem; }
        h3 { font-size: clamp(1.5rem, 3vw, 2rem); margin-top: 2rem; }
        h4 { font-size: 1.4rem; margin-top: 1.5rem; color: #ffcc00; }
        p { margin-bottom: 1.5rem; font-size: 1.1rem; }
        a { color: #00ccff; text-decoration: none; transition: color 0.3s; }
        a:hover { color: #ff6600; }
        strong { color: #ffcc00; }
        em { font-style: italic; color: #ccff99; }
        .container { width: 100%; padding-right: 15px; padding-left: 15px; margin-right: auto; margin-left: auto; }
        .site-header {
            background: rgba(10, 25, 47, 0.95);
            backdrop-filter: blur(10px);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid #00ccff;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(to right, #00ccff, #ff6600);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 0 10px rgba(0, 204, 255, 0.3);
        }
        .my-logo:hover { transform: scale(1.03); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        .main-nav a:hover {
            background: rgba(0, 204, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #00ccff;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.95rem;
            color: #aaa;
        }
        .breadcrumb a { color: #aaa; }
        .breadcrumb a:hover { color: #00ccff; }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .main-content { grid-template-columns: 1fr; }
        }
        .article-body {
            background: rgba(20, 40, 70, 0.7);
            padding: 2.5rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }
        .sidebar {
            background: rgba(20, 40, 70, 0.7);
            padding: 2rem;
            border-radius: 15px;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: #ff6600;
            border-bottom: 2px solid;
            padding-bottom: 0.5rem;
        }
        .feature-box {
            background: rgba(0, 50, 100, 0.5);
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
        }
        .search-box, .comment-form, .rating-form {
            margin-bottom: 2.5rem;
            padding: 1.5rem;
            background: rgba(30, 60, 90, 0.6);
            border-radius: 10px;
        }
        .search-box h3, .comment-form h3, .rating-form h3 { color: #ccff99; }
        .form-group { margin-bottom: 1rem; }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #00ccff;
            border-radius: 5px;
            background: rgba(10, 25, 47, 0.8);
            color: #fff;
            font-size: 1rem;
        }
        button {
            background: linear-gradient(to right, #00ccff, #0088cc);
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 204, 255, 0.4);
        }
        .stars { display: flex; gap: 0.5rem; margin: 1rem 0; }
        .stars i { color: #ccc; cursor: pointer; font-size: 1.5rem; }
        .stars i:hover, .stars i.active { color: #ffcc00; }
        .article-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            border: 3px solid #00ccff;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }
        .resource-links {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin: 2rem 0;
        }
        .resource-links a {
            display: block;
            padding: 1rem;
            background: rgba(0, 60, 120, 0.5);
            border-radius: 8px;
            border-left: 5px solid #ff6600;
        }
        .resource-links a:hover {
            background: rgba(0, 100, 200, 0.7);
            transform: translateX(5px);
        }
        .site-footer {
            background: rgba(10, 25, 47, 0.95);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 2px solid #ff6600;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-section { flex: 1; min-width: 250px; }
        friend-link {
            display: block;
            padding: 0.5rem 0;
            color: #00ccff;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #444;
            margin-top: 2rem;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger { display: block; }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(10, 25, 47, 0.98);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-top: 2px solid #00ccff;
            }
            .main-nav.active ul { display: flex; }
            .header-container { padding: 0 1rem; }
            .article-body, .sidebar { padding: 1.5rem; }
        }
        .text-center { text-align: center; }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }
        .highlight {
            background: linear-gradient(90deg, rgba(255,102,0,0.2), transparent);
            padding: 1rem;
            border-left: 5px solid #ff6600;
            margin: 1.5rem 0;
        }
        .last-updated {
            font-style: italic;
            color: #aaa;
            text-align: right;
            font-size: 0.9rem;
            margin-top: 2rem;
        }