* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary-color: #1a73e8;
            --secondary-color: #34a853;
            --accent-color: #fbbc05;
            --dark-color: #202124;
            --light-color: #f8f9fa;
            --gray-color: #5f6368;
            --border-color: #dadce0;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #fff;
            color: var(--dark-color);
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--primary-color);
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: var(--dark-color);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .logo span {
            background: linear-gradient(90deg, #1a73e8, #34a853);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .nav-links a {
            color: white;
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--accent-color);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: #f1f3f4;
            padding: 12px 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .breadcrumb a {
            color: var(--gray-color);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb i {
            margin: 0 5px;
            color: var(--gray-color);
            font-size: 0.8rem;
        }
        main {
            padding: 2rem 0;
            min-height: 80vh;
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .article-header {
            padding: 2rem;
            border-bottom: 1px solid var(--border-color);
        }
        .article-header h1 {
            font-size: 2.2rem;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: var(--dark-color);
        }
        .meta-info {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            color: var(--gray-color);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .meta-info span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-content {
            padding: 2rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }
        .article-content h2 {
            font-size: 1.8rem;
            margin: 2.5rem 0 1.2rem;
            color: var(--dark-color);
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border-color);
        }
        .article-content h3 {
            font-size: 1.4rem;
            margin: 2rem 0 1rem;
            color: var(--dark-color);
        }
        .article-content ul, .article-content ol {
            margin-left: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .highlight-box {
            background: linear-gradient(135deg, #f0f7ff, #e3f2fd);
            border-left: 4px solid var(--primary-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        .featured-image figcaption {
            text-align: center;
            padding: 10px;
            font-style: italic;
            color: var(--gray-color);
            font-size: 0.9rem;
            background-color: #f9f9f9;
        }
        .important-note {
            background-color: #fff8e1;
            border: 1px solid var(--accent-color);
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }
        .important-note i {
            color: var(--accent-color);
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        aside {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background: white;
            border-radius: 12px;
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            color: var(--dark-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-widget h3 i {
            color: var(--primary-color);
        }
        .search-form {
            display: flex;
            margin-top: 10px;
        }
        .search-form input {
            flex-grow: 1;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 6px 0 0 6px;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #0d62d9;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 5px;
            margin: 15px 0;
            font-size: 1.8rem;
            color: #ffc107;
        }
        .stars i {
            cursor: pointer;
            transition: var(--transition);
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .rating-form {
            display: none;
            margin-top: 15px;
        }
        .rating-form.active {
            display: block;
        }
        .rating-form textarea, .rating-form input {
            width: 100%;
            padding: 12px;
            margin-bottom: 10px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
        }
        .rating-form button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            width: 100%;
            transition: var(--transition);
        }
        .rating-form button:hover {
            background-color: #2e8b47;
        }
        .related-links ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .related-links li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed var(--border-color);
        }
        .related-links li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .related-links a {
            color: var(--dark-color);
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
        }
        .related-links a:hover {
            color: var(--primary-color);
        }
        .related-links i {
            color: var(--secondary-color);
            font-size: 0.9rem;
        }
        #comments {
            margin-top: 3rem;
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: var(--shadow);
        }
        .comments-list {
            margin-top: 2rem;
        }
        .comment {
            background-color: #f9f9f9;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 1.5rem;
            border-left: 3px solid var(--primary-color);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
            flex-wrap: wrap;
            gap: 10px;
        }
        .comment-author {
            font-weight: 600;
            color: var(--dark-color);
        }
        .comment-date {
            color: var(--gray-color);
            font-size: 0.9rem;
        }
        .comment-form {
            margin-top: 2rem;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 6px;
            font-weight: 500;
        }
        .form-group input, .form-group textarea {
            width: 100%;
            padding: 14px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus, .form-group textarea:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.2);
        }
        .submit-btn {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 14px 30px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .submit-btn:hover {
            background-color: #0d62d9;
            transform: translateY(-2px);
        }
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .footer-section h3 {
            font-size: 1.3rem;
            margin-bottom: 1.2rem;
            color: var(--accent-color);
        }
        friend-link {
            display: block;
            margin-bottom: 1rem;
        }
        friend-link a {
            color: #ccc;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        friend-link a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .menu-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--dark-color);
                flex-direction: column;
                align-items: center;
                padding: 2rem;
                gap: 1.5rem;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                z-index: 999;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
            .content-wrapper {
                gap: 1.5rem;
            }
        }
        .text-bold {
            font-weight: 700;
        }
        .text-italic {
            font-style: italic;
        }
        .text-center {
            text-align: center;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 2px;
        }
        .tag {
            display: inline-block;
            background-color: #e8f0fe;
            color: var(--primary-color);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-right: 8px;
            margin-bottom: 8px;
        }
        .separator {
            height: 1px;
            background-color: var(--border-color);
            margin: 2rem 0;
        }