* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #4A00E0;
            --secondary: #8E2DE2;
            --accent: #00C9FF;
            --dark: #1A1A2E;
            --light: #F5F7FA;
            --text: #333333;
            --text-light: #666666;
            --success: #00B894;
            --warning: #FDCB6E;
            --danger: #E17055;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            --radius: 12px;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            color: var(--text);
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .site-header {
            background: linear-gradient(90deg, var(--dark) 0%, var(--primary) 100%);
            color: white;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: white;
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            transition: var(--transition);
        }
        .logo:hover {
            color: var(--accent);
            transform: translateY(-2px);
        }
        .logo i {
            color: var(--accent);
            font-size: 2.2rem;
        }
        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .logo-sub {
            font-size: 0.7rem;
            opacity: 0.8;
            font-weight: 400;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        @media (max-width: 992px) {
            .nav-desktop {
                display: none;
            }
        }
        .nav-link {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }
        .nav-link.active {
            background: var(--accent);
            color: var(--dark);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 992px) {
            .mobile-menu-btn {
                display: block;
            }
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: var(--dark);
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            padding: 1rem;
            box-shadow: var(--shadow);
            z-index: 999;
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav .nav-link {
            padding: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .search-container {
            max-width: 1400px;
            margin: 1.5rem auto;
            padding: 0 2rem;
        }
        .search-form {
            display: flex;
            background: white;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 2px solid transparent;
            transition: var(--transition);
        }
        .search-form:focus-within {
            border-color: var(--accent);
        }
        .search-input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            outline: none;
            font-size: 1rem;
        }
        .search-btn {
            background: linear-gradient(90deg, var(--accent), #0099FF);
            color: white;
            border: none;
            padding: 0 2rem;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: linear-gradient(90deg, #0099FF, var(--accent));
        }
        .breadcrumb {
            max-width: 1400px;
            margin: 1rem auto 2rem;
            padding: 0 2rem;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb-item {
            display: flex;
            align-items: center;
        }
        .breadcrumb-link {
            color: var(--primary);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .breadcrumb-link:hover {
            color: var(--accent);
            text-decoration: underline;
        }
        .breadcrumb-separator {
            margin: 0 0.5rem;
            color: var(--text-light);
        }
        .main-container {
            flex: 1;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
        }
        @media (max-width: 1200px) {
            .main-container {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background: white;
            border-radius: var(--radius);
            padding: 3rem;
            box-shadow: var(--shadow);
            margin-bottom: 3rem;
        }
        .article-header {
            margin-bottom: 3rem;
            border-bottom: 3px solid var(--accent);
            padding-bottom: 2rem;
        }
        .article-title {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .article-meta {
            display: flex;
            gap: 2rem;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .article-image {
            width: 100%;
            border-radius: var(--radius);
            overflow: hidden;
            margin: 2.5rem 0;
            box-shadow: var(--shadow);
        }
        .article-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .article-image:hover img {
            transform: scale(1.03);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--text-light);
            padding: 1rem;
            background: var(--light);
        }
        .content-section {
            margin-bottom: 3rem;
        }
        .section-title {
            font-size: 2rem;
            color: var(--primary);
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light);
        }
        .section-subtitle {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .highlight {
            background: linear-gradient(120deg, rgba(74, 0, 224, 0.1) 0%, rgba(142, 45, 226, 0.1) 100%);
            padding: 2rem;
            border-radius: var(--radius);
            border-left: 5px solid var(--accent);
            margin: 2rem 0;
        }
        .tip-box {
            background: linear-gradient(120deg, rgba(0, 201, 255, 0.1) 0%, rgba(0, 184, 148, 0.1) 100%);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 1.5rem 0;
            display: flex;
            gap: 1rem;
        }
        .tip-icon {
            color: var(--success);
            font-size: 1.5rem;
        }
        .stat-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin: 2.5rem 0;
        }
        .stat-item {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius);
            text-align: center;
            box-shadow: var(--shadow);
            border-top: 4px solid var(--accent);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .stat-label {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .internal-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted var(--accent);
            transition: var(--transition);
        }
        .internal-link:hover {
            color: var(--accent);
            border-bottom-style: solid;
        }
        .sidebar {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        @media (max-width: 1200px) {
            .sidebar {
                position: static;
            }
        }
        .sidebar-widget {
            background: white;
            border-radius: var(--radius);
            padding: 2rem;
            margin-bottom: 2rem;
            box-shadow: var(--shadow);
        }
        .widget-title {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--light);
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: var(--warning);
        }
        .rating-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .rating-input {
            padding: 0.8rem;
            border: 2px solid var(--light);
            border-radius: 6px;
            font-size: 1rem;
        }
        .rating-submit {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 1rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-submit:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(74, 0, 224, 0.3);
        }
        .comments-section {
            background: white;
            border-radius: var(--radius);
            padding: 3rem;
            box-shadow: var(--shadow);
            margin: 3rem 0;
        }
        .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            margin-bottom: 3rem;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .form-label {
            font-weight: 600;
            color: var(--dark);
        }
        .form-input,
        .form-textarea {
            padding: 1rem;
            border: 2px solid var(--light);
            border-radius: 6px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-input:focus,
        .form-textarea:focus {
            border-color: var(--accent);
            outline: none;
        }
        .form-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(90deg, var(--success), #00A085);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            align-self: flex-start;
            transition: var(--transition);
        }
        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 184, 148, 0.3);
        }
        .footer-links {
            background: var(--dark);
            padding: 3rem 2rem;
            margin-top: 3rem;
        }
        .links-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            display: block;
            margin-bottom: 0.5rem;
        }
        .web-link a:hover {
            color: var(--accent);
        }
        .web-link p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .site-footer {
            background: #0F0F1E;
            color: white;
            padding: 3rem 2rem;
            text-align: center;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            color: var(--accent);
        }
        .copyright {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 768px) {
            .header-container,
            .search-container,
            .breadcrumb,
            .main-container {
                padding: 0 1rem;
            }
            .article-content {
                padding: 2rem 1.5rem;
            }
            .article-title {
                font-size: 2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .stat-box {
                grid-template-columns: 1fr;
            }
            .comments-section {
                padding: 2rem 1.5rem;
            }
        }
        @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: 800;
            color: var(--primary);
        }
        .text-italic {
            font-style: italic;
            color: var(--text-light);
        }
        .text-center {
            text-align: center;
        }
        .mt-2 { margin-top: 2rem; }
        .mb-2 { margin-bottom: 2rem; }
        .my-3 { margin: 3rem 0; }