* { 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: #0f1419;
            background-image: radial-gradient(circle at 15% 50%, rgba(40, 60, 134, 0.1) 0%, transparent 20%), radial-gradient(circle at 85% 30%, rgba(134, 40, 90, 0.1) 0%, transparent 20%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #4dabf7; text-decoration: none; transition: color 0.3s, transform 0.2s; }
        a:hover { color: #74c0fc; transform: translateY(-1px); }
        img { max-width: 100%; height: auto; display: block; }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        .site-header {
            background: rgba(15, 20, 25, 0.95);
            border-bottom: 2px solid #339af0;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a.my-logo {
            font-family: 'Arial Black', sans-serif;
            font-size: 2.2rem;
            background: linear-gradient(90deg, #ff6b6b, #339af0, #51cf66);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
            padding: 5px;
        }
        .logo a:hover { transform: scale(1.05); }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            color: #adb5bd;
            font-weight: 600;
            padding: 8px 5px;
            border-bottom: 2px solid transparent;
        }
        .main-nav a:hover,
        .main-nav a:focus { color: #fff; border-bottom-color: #339af0; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .breadcrumb {
            padding: 15px 0;
            background: rgba(40, 50, 60, 0.5);
            margin-bottom: 30px;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 10px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 10px;
            color: #74c0fc;
        }
        .breadcrumb a { color: #adb5bd; }
        .breadcrumb a:hover { color: #fff; }
        .main-content {
            flex: 1;
            padding: 20px 0 40px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid { grid-template-columns: 1fr; }
        }
        .article-content {
            background: rgba(25, 30, 40, 0.8);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid #2d3748;
        }
        .article-header { margin-bottom: 30px; }
        .article-header h1 {
            font-size: 2.8rem;
            color: #fff;
            margin-bottom: 15px;
            line-height: 1.2;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }
        .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: #94a3b8;
            font-size: 0.9rem;
            border-bottom: 1px solid #374151;
            padding-bottom: 15px;
        }
        .meta-info i { margin-right: 5px; color: #339af0; }
        .intro {
            font-size: 1.2rem;
            color: #cbd5e1;
            background: rgba(51, 154, 240, 0.1);
            border-left: 4px solid #339af0;
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin: 25px 0;
        }
        h2 {
            font-size: 2rem;
            color: #4dabf7;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #374151;
        }
        h3 {
            font-size: 1.6rem;
            color: #74c0fc;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.3rem;
            color: #a5d8ff;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 1.5em;
            text-align: justify;
            color: #d1d5db;
        }
        .highlight {
            background: rgba(255, 215, 0, 0.1);
            border-left: 4px solid #ffd700;
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 6px 6px 0;
        }
        .highlight strong { color: #ffd700; }
        em { color: #ffa8a8; font-style: italic; }
        strong { color: #ffd700; font-weight: 700; }
        .article-image {
            margin: 30px auto;
            text-align: center;
        }
        .article-image img {
            border-radius: 10px;
            border: 3px solid #339af0;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.7);
            transition: transform 0.5s;
        }
        .article-image img:hover { transform: scale(1.02); }
        .caption {
            margin-top: 10px;
            font-style: italic;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        ul, ol { margin-left: 25px; margin-bottom: 1.5em; color: #d1d5db; }
        li { margin-bottom: 0.5em; }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 30px 0;
        }
        .link-card {
            background: rgba(40, 50, 70, 0.6);
            border-radius: 8px;
            padding: 15px;
            border: 1px solid #4dabf7;
            transition: all 0.3s;
        }
        .link-card:hover {
            background: rgba(51, 154, 240, 0.15);
            transform: translateY(-5px);
            box-shadow: 0 10px 15px rgba(0, 0, 0, 0.3);
        }
        .link-card a {
            display: block;
            font-weight: bold;
            color: #a5d8ff;
        }
        .link-card p {
            font-size: 0.9rem;
            margin-top: 8px;
            color: #cbd5e1;
            margin-bottom: 0;
        }
        .sidebar {
            background: rgba(25, 30, 40, 0.8);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid #2d3748;
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 30px;
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: #ffd700;
            margin-bottom: 15px;
            padding-bottom: 8px;
            border-bottom: 1px solid #374151;
        }
        .search-form, .comment-form, .rating-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-group { display: flex; flex-direction: column; }
        label {
            margin-bottom: 5px;
            color: #cbd5e1;
            font-weight: 600;
        }
        input, textarea, select {
            padding: 12px 15px;
            border-radius: 6px;
            border: 1px solid #4a5568;
            background: rgba(15, 20, 25, 0.7);
            color: #fff;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #339af0;
            box-shadow: 0 0 0 3px rgba(51, 154, 240, 0.3);
        }
        button {
            background: linear-gradient(90deg, #339af0, #4dabf7);
            color: white;
            border: none;
            padding: 14px 20px;
            border-radius: 6px;
            font-weight: bold;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s;
        }
        button:hover {
            background: linear-gradient(90deg, #1c7ed6, #339af0);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(51, 154, 240, 0.4);
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 10px 0;
            font-size: 1.8rem;
            color: #4a5568;
            cursor: pointer;
        }
        .stars i:hover,
        .stars i.active { color: #ffd700; }
        .site-footer {
            background: rgba(10, 15, 20, 0.98);
            border-top: 2px solid #339af0;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
        }
        friend-link a {
            color: #74c0fc;
            padding: 5px 0;
            display: inline-block;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #374151;
            color: #94a3b8;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .hamburger { display: block; }
            .main-nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            .main-nav.active { max-height: 400px; margin-top: 15px; }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li { width: 100%; }
            .main-nav a {
                display: block;
                padding: 12px 15px;
                border-bottom: 1px solid #2d3748;
            }
            .article-header h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .article-content { padding: 20px; }
            .sidebar { position: static; }
        }