* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-blue: #0056b3;
            --secondary-orange: #ff6a00;
            --dark-bg: #0a1a2d;
            --light-bg: #f8f9fa;
            --text-dark: #212529;
            --text-light: #e9ecef;
            --accent-green: #28a745;
            --border-color: #dee2e6;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--light-bg);
            color: var(--text-dark);
            line-height: 1.7;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .text-center { text-align: center; }
        .bold { font-weight: 700; }
        .highlight { color: var(--secondary-orange); }
        .emoji { font-size: 1.2em; }
        .section-padding { padding: 4rem 0; }
        .mb-2 { margin-bottom: 2rem; }
        .mb-3 { margin-bottom: 3rem; }
        .site-header {
            background: linear-gradient(to right, var(--dark-bg), var(--primary-blue));
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: transform 0.3s ease, color 0.3s ease;
        }
        .my-logo:hover {
            color: var(--secondary-orange);
            transform: scale(1.05);
        }
        .my-logo i { font-size: 2rem; }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .main-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: all 0.3s ease;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: var(--secondary-orange);
            color: white;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 4px;
            background: transparent;
            border: none;
            padding: 5px;
        }
        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: white;
            border-radius: 2px;
            transition: 0.3s;
        }
        @media (max-width: 768px) {
            .hamburger { display: flex; }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--dark-bg);
                clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
                transition: clip-path 0.5s ease-in-out;
                z-index: 999;
            }
            .main-nav.active {
                clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
            }
            .main-nav ul {
                flex-direction: column;
                padding: 2rem;
                gap: 1rem;
            }
            .main-nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 1rem 0;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: ">";
            margin-left: 0.5rem;
            color: #6c757d;
        }
        .breadcrumb a {
            color: var(--primary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover { text-decoration: underline; }
        .main-content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-top: 2rem;
        }
        @media (max-width: 992px) {
            .main-content-area {
                grid-template-columns: 1fr;
            }
        }
        .article-main {
            background: white;
            padding: 3rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .article-header {
            border-bottom: 3px solid var(--primary-blue);
            padding-bottom: 2rem;
            margin-bottom: 3rem;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: var(--dark-bg);
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .meta-info {
            display: flex;
            justify-content: space-between;
            color: #6c757d;
            font-size: 0.95rem;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .update-time {
            color: var(--accent-green);
            font-weight: 600;
        }
        .article-content h2 {
            font-size: 2rem;
            color: var(--primary-blue);
            margin: 3rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed var(--border-color);
        }
        .article-content h3 {
            font-size: 1.6rem;
            color: var(--dark-bg);
            margin: 2.5rem 0 1rem;
        }
        .article-content h4 {
            font-size: 1.3rem;
            color: #495057;
            margin: 2rem 0 1rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .article-content p:last-of-type { margin-bottom: 0; }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: #495057;
            background-color: #f1f8ff;
            padding: 1.5rem;
            border-left: 4px solid var(--primary-blue);
            border-radius: 0 8px 8px 0;
            margin-bottom: 2.5rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #fff9e6, #ffeaa7);
            border-left: 5px solid #fdcb6e;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .related-links {
            background-color: #f8f9fa;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2.5rem 0;
        }
        .related-links ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .related-links a {
            background-color: white;
            color: var(--primary-blue);
            padding: 0.6rem 1.2rem;
            border-radius: 50px;
            text-decoration: none;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .related-links a:hover {
            background-color: var(--primary-blue);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(0,86,179,0.2);
        }
        .featured-image {
            margin: 3rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            max-width: 800px;
        }
        .img-caption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            color: var(--dark-bg);
            margin-bottom: 1.5rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid var(--primary-blue);
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex-grow: 1;
            padding: 0.8rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
        }
        .search-form button {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 0.8rem 1.2rem;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover { background-color: #004494; }
        .rating-widget form { display: flex; flex-direction: column; gap: 1rem; }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            direction: rtl; 
        }
        .stars input { display: none; }
        .stars label {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .stars input:checked ~ label,
        .stars label:hover,
        .stars label:hover ~ label {
            color: #ffc107;
        }
        .rating-widget textarea,
        .comment-widget textarea {
            width: 100%;
            padding: 1rem;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
            resize: vertical;
            min-height: 120px;
        }
        .submit-btn {
            background: linear-gradient(to right, var(--primary-blue), var(--secondary-orange));
            color: white;
            border: none;
            padding: 0.9rem 1.5rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(0,86,179,0.3);
        }
        .site-footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            margin-bottom: 1rem;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 3rem;
        }
        .footer-links h4 {
            color: var(--secondary-orange);
            margin-bottom: 1.2rem;
            font-size: 1.1rem;
        }
        .footer-links ul { list-style: none; }
        .footer-links li { margin-bottom: 0.7rem; }
        .footer-links a {
            color: #adb5bd;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover { color: white; }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        friend-link h3 {
            color: var(--secondary-orange);
            margin-bottom: 1rem;
        }
        friend-link ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        friend-link a {
            color: #74b9ff;
            text-decoration: none;
            padding: 0.5rem 1rem;
            border: 1px solid rgba(116, 185, 255, 0.3);
            border-radius: 4px;
            transition: all 0.3s;
        }
        friend-link a:hover {
            background-color: rgba(116, 185, 255, 0.1);
            border-color: #74b9ff;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #adb5bd;
            font-size: 0.9rem;
        }