* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #4285f4;
            --secondary-color: #34a853;
            --accent-color: #fbbc05;
            --danger-color: #ea4335;
            --dark-color: #202124;
            --light-color: #f8f9fa;
            --gray-color: #5f6368;
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--dark-color);
            background-color: #ffffff;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent-color);
        }
        .nav-desktop {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            text-decoration: none;
            color: var(--gray-color);
            font-weight: 600;
            font-size: 16px;
            padding: 5px 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary-color);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            transition: var(--transition);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .hamburger-menu {
            display: none;
            font-size: 24px;
            background: none;
            border: none;
            color: var(--gray-color);
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger-menu {
                display: block;
            }
        }
        .nav-mobile {
            position: fixed;
            top: 70px;
            left: 0;
            width: 100%;
            background-color: white;
            box-shadow: 0 5px 10px rgba(0,0,0,0.1);
            padding: 20px;
            display: none;
            flex-direction: column;
            gap: 15px;
            z-index: 999;
        }
        .nav-mobile.active {
            display: flex;
        }
        .breadcrumb {
            background-color: var(--light-color);
            padding: 12px 0;
            font-size: 14px;
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: var(--gray-color);
            text-decoration: none;
            transition: var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb span {
            margin: 0 8px;
            color: #ccc;
        }
        .search-section {
            background: linear-gradient(135deg, var(--primary-color), #5c6bc0);
            padding: 40px 0;
            text-align: center;
            color: white;
            margin-bottom: 40px;
            border-radius: 10px;
        }
        .search-title {
            font-size: 28px;
            margin-bottom: 20px;
        }
        .search-form {
            max-width: 600px;
            margin: 0 auto;
            display: flex;
        }
        .search-input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 30px 0 0 30px;
            font-size: 16px;
            outline: none;
        }
        .search-button {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 30px 30px 0;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #e6a800;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        h1 {
            font-size: 36px;
            color: var(--dark-color);
            margin-bottom: 20px;
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 28px;
            }
        }
        h2 {
            font-size: 28px;
            color: var(--primary-color);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-color);
        }
        h3 {
            font-size: 22px;
            color: var(--secondary-color);
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 20px;
            font-size: 18px;
            line-height: 1.8;
        }
        .article-intro {
            font-size: 20px;
            font-weight: 600;
            color: var(--gray-color);
            background-color: var(--light-color);
            padding: 25px;
            border-left: 5px solid var(--primary-color);
            border-radius: 5px;
            margin-bottom: 30px;
        }
        .highlight {
            background-color: rgba(66, 133, 244, 0.1);
            padding: 20px;
            border-radius: 8px;
            margin: 25px 0;
            border-left: 4px solid var(--primary-color);
        }
        .important-note {
            background-color: rgba(251, 188, 5, 0.1);
            padding: 20px;
            border-radius: 8px;
            margin: 25px 0;
            border-left: 4px solid var(--accent-color);
        }
        .feature-list {
            list-style-type: none;
            margin: 25px 0;
        }
        .feature-list li {
            padding: 12px 0 12px 40px;
            position: relative;
        }
        .feature-list li:before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 12px;
            background-color: var(--secondary-color);
            color: white;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 30px auto;
            display: block;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray-color);
            margin-top: 10px;
            font-size: 16px;
        }
        .sidebar {
            background-color: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            height: fit-content;
            position: sticky;
            top: 100px;
        }
        .sidebar-title {
            font-size: 20px;
            color: var(--dark-color);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--light-color);
        }
        .sidebar-link {
            display: block;
            padding: 15px;
            background-color: var(--light-color);
            margin-bottom: 10px;
            border-radius: 8px;
            text-decoration: none;
            color: var(--dark-color);
            transition: var(--transition);
            font-weight: 500;
        }
        .sidebar-link:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateX(5px);
        }
        .interactive-section {
            background-color: var(--light-color);
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .rating-section, .comment-section {
            margin-bottom: 40px;
        }
        .rating-title, .comment-title {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--dark-color);
        }
        .star-rating {
            display: flex;
            gap: 5px;
            margin-bottom: 20px;
        }
        .star {
            font-size: 28px;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--accent-color);
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .form-input, .form-textarea {
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
            font-family: inherit;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .form-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 15px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .form-button:hover {
            background-color: #3367d6;
        }
        .internal-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 30px 0;
        }
        .internal-link {
            display: inline-block;
            padding: 10px 20px;
            background-color: var(--light-color);
            color: var(--primary-color);
            text-decoration: none;
            border-radius: 30px;
            font-weight: 500;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .internal-link:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        .footer-top {
            background-color: var(--dark-color);
            color: white;
            padding: 50px 0;
        }
        .web-link {
            background-color: rgba(255,255,255,0.1);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 15px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateX(5px);
        }
        .web-link a {
            color: white;
            text-decoration: none;
            font-size: 16px;
            display: block;
        }
        .footer-bottom {
            background-color: #141518;
            color: #aaa;
            padding: 20px 0;
            text-align: center;
            font-size: 14px;
        }
        @media (max-width: 768px) {
            .header-content {
                padding: 15px 0;
            }
            .search-title {
                font-size: 22px;
            }
            .search-form {
                flex-direction: column;
            }
            .search-input {
                border-radius: 30px;
                margin-bottom: 10px;
            }
            .search-button {
                border-radius: 30px;
                padding: 15px;
            }
            .article-content {
                padding: 20px;
            }
            .sidebar {
                padding: 20px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }
        .text-bold {
            font-weight: 700;
        }
        .text-primary {
            color: var(--primary-color);
        }
        .text-secondary {
            color: var(--secondary-color);
        }
        .text-accent {
            color: var(--accent-color);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .section-divider {
            height: 1px;
            background-color: #eee;
            margin: 40px 0;
        }