* { 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: #e8e6e3;
            background-color: #0d1117;
            background-image: radial-gradient(circle at 15% 50%, rgba(30, 35, 48, 0.7) 0%, transparent 55%), radial-gradient(circle at 85% 30%, rgba(40, 20, 30, 0.5) 0%, transparent 55%);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a { color: #58a6ff; text-decoration: none; transition: color 0.3s ease, text-shadow 0.3s ease; }
        a:hover { color: #79c0ff; text-shadow: 0 0 8px rgba(88, 166, 255, 0.4); }
        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);
            white-space: nowrap;
            border: 0;
        }
        .text-center { text-align: center; }
        .highlight { color: #ff9d00; font-weight: bold; }
        .emoji { font-size: 1.2em; margin-right: 4px; }
        .site-header {
            background-color: rgba(13, 17, 23, 0.92);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #30363d;
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', 'Arial Bold', sans-serif;
            font-size: 1.8rem;
            color: #ff9d00;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo i { color: #d64040; }
        .my-logo:hover { color: #ffb340; }
        .breadcrumb {
            padding: 12px 0;
            background-color: #161b22;
            border-bottom: 1px solid #30363d;
            font-size: 0.9rem;
        }
        .breadcrumb ol {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '/';
            margin: 0 10px;
            color: #8b949e;
        }
        .breadcrumb li { display: inline; }
        .breadcrumb a { color: #8b949e; }
        .breadcrumb a:hover { color: #58a6ff; }
        .breadcrumb [aria-current="page"] { color: #c9d1d9; font-weight: bold; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .main-nav a {
            color: #c9d1d9;
            font-weight: 500;
            padding: 8px 5px;
            position: relative;
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: #ff9d00;
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after,
        .main-nav a:focus::after { width: 100%; }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #c9d1d9;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 5px;
        }
        .hamburger:hover { color: #ff9d00; }
        .search-box {
            display: flex;
            max-width: 400px;
            margin: 30px auto 40px;
        }
        .search-box input {
            flex-grow: 1;
            padding: 15px 20px;
            border: 2px solid #30363d;
            border-radius: 50px 0 0 50px;
            background-color: #0d1117;
            color: #c9d1d9;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .search-box input:focus { border-color: #58a6ff; }
        .search-box button {
            padding: 0 25px;
            background: linear-gradient(135deg, #238636, #2ea043);
            color: white;
            border: none;
            border-radius: 0 50px 50px 0;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s, transform 0.2s;
        }
        .search-box button:hover {
            background: linear-gradient(135deg, #2ea043, #3fb950);
            transform: scale(1.02);
        }
        main {
            flex: 1;
            padding: 30px 0 60px;
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding-bottom: 30px;
            border-bottom: 2px solid #30363d;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #ff9d00;
            margin-bottom: 20px;
            text-shadow: 0 2px 10px rgba(255, 157, 0, 0.2);
            line-height: 1.2;
        }
        .article-meta {
            color: #8b949e;
            font-size: 0.95rem;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 15px;
        }
        .article-meta i { margin-right: 5px; }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-area { grid-template-columns: 1fr; }
        }
        .article-content {
            background-color: rgba(22, 27, 34, 0.7);
            border-radius: 12px;
            padding: 40px;
            border: 1px solid #30363d;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .article-content h2 {
            color: #58a6ff;
            margin-top: 40px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #30363d;
            font-size: 2rem;
        }
        .article-content h3 {
            color: #79c0ff;
            margin-top: 30px;
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        .article-content h4 {
            color: #a3d3ff;
            margin-top: 25px;
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        .article-content p {
            margin-bottom: 22px;
            text-align: justify;
            hyphens: auto;
        }
        .article-content strong { color: #ffb340; font-weight: 700; }
        .article-content blockquote {
            border-left: 4px solid #ff9d00;
            padding-left: 20px;
            margin: 25px 0;
            color: #c9d1d9;
            font-style: italic;
            background-color: rgba(48, 54, 61, 0.3);
            padding: 20px;
            border-radius: 0 8px 8px 0;
        }
        .article-content ul, .article-content ol {
            margin-left: 25px;
            margin-bottom: 22px;
        }
        .article-content li { margin-bottom: 8px; }
        .article-content li::marker { color: #ff9d00; }
        .featured-img {
            margin: 35px 0;
            border-radius: 10px;
            overflow: hidden;
            border: 2px solid #30363d;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
            position: relative;
        }
        .featured-img figcaption {
            text-align: center;
            padding: 10px;
            background-color: rgba(22, 27, 34, 0.9);
            color: #8b949e;
            font-size: 0.9rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }
        .sidebar-widget {
            background-color: rgba(22, 27, 34, 0.7);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid #30363d;
        }
        .sidebar-widget h3 {
            color: #ff9d00;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #30363d;
            font-size: 1.3rem;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 1.8rem;
            cursor: pointer;
            margin-bottom: 10px;
        }
        .rating-stars .star { color: #30363d; }
        .rating-stars .star.active,
        .rating-stars .star:hover { color: #ffcc00; }
        .rating-widget select, .rating-widget textarea {
            width: 100%;
            padding: 12px;
            background-color: #0d1117;
            border: 1px solid #30363d;
            border-radius: 6px;
            color: #c9d1d9;
            font-size: 1rem;
        }
        .rating-widget button[type="submit"] {
            background: linear-gradient(to right, #da4a91, #b1307c);
            color: white;
            border: none;
            padding: 14px;
            border-radius: 6px;
            font-weight: bold;
            cursor: pointer;
            transition: transform 0.2s, background 0.3s;
        }
        .rating-widget button[type="submit"]:hover {
            background: linear-gradient(to right, #e668a7, #c13d89);
            transform: translateY(-2px);
        }
        .toc-widget ul {
            list-style: none;
            padding-left: 10px;
        }
        .toc-widget li { margin-bottom: 12px; }
        .toc-widget a {
            color: #c9d1d9;
            display: flex;
            align-items: center;
        }
        .toc-widget a i { margin-right: 10px; color: #58a6ff; }
        .toc-widget a:hover { color: #79c0ff; }
        .quick-links ul { list-style: none; }
        .quick-links li { margin-bottom: 12px; }
        .quick-links a {
            display: block;
            padding: 12px 15px;
            background-color: rgba(13, 17, 23, 0.5);
            border-radius: 6px;
            border-left: 3px solid #238636;
            transition: all 0.3s;
        }
        .quick-links a:hover {
            background-color: rgba(35, 134, 54, 0.2);
            transform: translateX(5px);
        }
        .comments-section {
            margin-top: 60px;
            padding-top: 40px;
            border-top: 2px solid #30363d;
        }
        .comments-section h2 { text-align: center; }
        .comment-form {
            background-color: rgba(22, 27, 34, 0.7);
            border-radius: 12px;
            padding: 30px;
            margin-top: 30px;
            border: 1px solid #30363d;
        }
        .comment-form .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        @media (max-width: 768px) { .comment-form .form-grid { grid-template-columns: 1fr; } }
        .comment-form input, .comment-form textarea {
            width: 100%;
            padding: 15px;
            background-color: #0d1117;
            border: 1px solid #30363d;
            border-radius: 6px;
            color: #c9d1d9;
            font-size: 1rem;
        }
        .comment-form textarea { min-height: 150px; resize: vertical; }
        .comment-form button[type="submit"] {
            background: linear-gradient(135deg, #1f6feb, #388bfd);
            color: white;
            border: none;
            padding: 16px 40px;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            display: block;
            margin: 25px auto 0;
            transition: background 0.3s, transform 0.2s;
        }
        .comment-form button[type="submit"]:hover {
            background: linear-gradient(135deg, #388bfd, #58a6ff);
            transform: scale(1.03);
        }
        .site-footer {
            background-color: #0d1117;
            border-top: 1px solid #30363d;
            padding: 50px 0 30px;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-widget h4 {
            color: #ff9d00;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        .footer-widget ul { list-style: none; }
        .footer-widget li { margin-bottom: 10px; }
        .footer-widget a { color: #8b949e; }
        .footer-widget a:hover { color: #58a6ff; }
        friend-link {
            display: block;
            padding: 15px;
            background-color: #161b22;
            border-radius: 8px;
            margin-bottom: 10px;
            border-left: 4px solid #da4a91;
            transition: transform 0.3s;
        }
        friend-link:hover {
            transform: translateY(-3px);
            background-color: rgba(22, 27, 34, 0.9);
        }
        friend-link a {
            color: #c9d1d9;
            font-weight: 500;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        friend-link i { color: #da4a91; }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #30363d;
            color: #8b949e;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .main-nav {
                order: 3;
                width: 100%;
                margin-top: 20px;
                display: none;
            }
            .main-nav.active { display: block; }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-bottom: 1px solid #30363d;
            }
            .main-nav a {
                display: block;
                padding: 15px;
            }
            .hamburger { display: block; }
            .article-header h1 { font-size: 2.2rem; }
            .article-content { padding: 25px; }
            .sidebar-widget { padding: 20px; }
        }