:root {
        --primary-color: #4a148c;
        --secondary-color: #ff6f00;
        --accent-color: #1a237e;
        --text-dark: #333;
        --text-light: #666;
        --bg-light: #f9f9f9;
        --border-color: #e0e0e0;
        --success-color: #2e7d32;
        --warning-color: #f57c00;
        --shadow: 0 4px 12px rgba(0,0,0,0.08);
        --radius: 8px;
        --transition: all 0.3s ease;
    }
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
        font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        color: var(--text-dark);
        background-color: #fff;
        line-height: 1.7;
        overflow-x: hidden;
    }
    a {
        text-decoration: none;
        color: var(--accent-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;
    }
    .site-header {
        background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
        color: white;
        padding: 1rem 0;
        box-shadow: var(--shadow);
        position: sticky;
        top: 0;
        z-index: 1000;
    }
    .header-container {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .logo a {
        font-size: 1.8rem;
        font-weight: 800;
        color: white;
        text-transform: uppercase;
        letter-spacing: 1px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .logo i {
        color: var(--secondary-color);
    }
    .breadcrumb {
        background-color: var(--bg-light);
        padding: 12px 0;
        font-size: 0.9rem;
        color: var(--text-light);
        border-bottom: 1px solid var(--border-color);
    }
    .breadcrumb a {
        color: var(--text-light);
    }
    .breadcrumb a:hover {
        color: var(--primary-color);
    }
    .breadcrumb span {
        margin: 0 8px;
    }
    .main-nav {
        display: flex;
        align-items: center;
    }
    .nav-links {
        display: flex;
        list-style: none;
        gap: 2rem;
    }
    .nav-links a {
        color: white;
        font-weight: 600;
        padding: 8px 0;
        position: relative;
    }
    .nav-links a::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 0;
        height: 2px;
        background-color: var(--secondary-color);
        transition: width 0.3s ease;
    }
    .nav-links a:hover::after {
        width: 100%;
    }
    .hamburger {
        display: none;
        background: none;
        border: none;
        color: white;
        font-size: 1.5rem;
        cursor: pointer;
    }
    .mobile-nav {
        display: none;
        flex-direction: column;
        background-color: var(--primary-color);
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        padding: 1rem;
        box-shadow: var(--shadow);
    }
    .mobile-nav.active {
        display: flex;
    }
    .mobile-nav a {
        color: white;
        padding: 12px 0;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        font-weight: 600;
    }
    .search-section {
        background-color: var(--bg-light);
        padding: 2rem 0;
        text-align: center;
        border-bottom: 1px solid var(--border-color);
    }
    .search-form {
        max-width: 600px;
        margin: 0 auto;
        display: flex;
        box-shadow: var(--shadow);
        border-radius: 50px;
        overflow: hidden;
    }
    .search-input {
        flex: 1;
        padding: 15px 25px;
        border: none;
        font-size: 1rem;
        outline: none;
    }
    .search-button {
        background-color: var(--secondary-color);
        color: white;
        border: none;
        padding: 0 30px;
        cursor: pointer;
        font-size: 1.1rem;
        transition: var(--transition);
    }
    .search-button:hover {
        background-color: #e65100;
    }
    .main-content {
        display: grid;
        grid-template-columns: 1fr 300px;
        gap: 3rem;
        padding: 3rem 0;
    }
    @media (max-width: 992px) {
        .main-content {
            grid-template-columns: 1fr;
        }
    }
    .article-content {
        background-color: white;
        border-radius: var(--radius);
        overflow: hidden;
    }
    .article-header {
        margin-bottom: 2.5rem;
    }
    .article-header h1 {
        font-size: 2.5rem;
        color: var(--primary-color);
        line-height: 1.2;
        margin-bottom: 1rem;
    }
    .meta-info {
        display: flex;
        gap: 1.5rem;
        color: var(--text-light);
        font-size: 0.9rem;
        margin-bottom: 1.5rem;
        flex-wrap: wrap;
    }
    .meta-info span i {
        margin-right: 6px;
        color: var(--secondary-color);
    }
    .featured-image {
        margin: 2rem 0;
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow);
    }
    .featured-image figcaption {
        padding: 10px;
        background-color: var(--bg-light);
        font-style: italic;
        color: var(--text-light);
        text-align: center;
        font-size: 0.9rem;
    }
    .article-body {
        font-size: 1.1rem;
    }
    .article-body h2 {
        font-size: 2rem;
        color: var(--accent-color);
        margin: 2.5rem 0 1.2rem;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--border-color);
    }
    .article-body h3 {
        font-size: 1.6rem;
        color: var(--primary-color);
        margin: 2rem 0 1rem;
    }
    .article-body h4 {
        font-size: 1.3rem;
        color: var(--text-dark);
        margin: 1.5rem 0 0.8rem;
    }
    .article-body p {
        margin-bottom: 1.5rem;
        text-align: justify;
    }
    .article-body strong {
        color: var(--primary-color);
        font-weight: 700;
    }
    .article-body em {
        color: var(--warning-color);
    }
    .highlight-box {
        background-color: #f0f7ff;
        border-left: 4px solid var(--accent-color);
        padding: 1.5rem;
        margin: 2rem 0;
        border-radius: 0 var(--radius) var(--radius) 0;
    }
    .tip {
        background-color: #fff8e1;
        border-left: 4px solid var(--warning-color);
        padding: 1rem 1.5rem;
        margin: 1.5rem 0;
        border-radius: 0 var(--radius) var(--radius) 0;
    }
    .tip i {
        color: var(--warning-color);
        margin-right: 10px;
    }
    .base-layout-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 2rem;
        margin: 2.5rem 0;
    }
    .base-card {
        background: white;
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow);
        transition: var(--transition);
        border: 1px solid var(--border-color);
    }
    .base-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0,0,0,0.12);
    }
    .base-card img {
        width: 100%;
        height: 200px;
        object-fit: cover;
    }
    .base-card-content {
        padding: 1.5rem;
    }
    .base-card h4 {
        color: var(--primary-color);
        margin-bottom: 10px;
    }
    .base-card p {
        font-size: 0.95rem;
        color: var(--text-light);
        margin-bottom: 1rem;
    }
    .tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 1rem;
    }
    .tag {
        background-color: var(--bg-light);
        color: var(--text-light);
        padding: 4px 10px;
        border-radius: 20px;
        font-size: 0.8rem;
    }
    .sidebar {
        display: flex;
        flex-direction: column;
        gap: 2rem;
    }
    .sidebar-widget {
        background-color: white;
        padding: 1.5rem;
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        border: 1px solid var(--border-color);
    }
    .sidebar-widget h3 {
        color: var(--primary-color);
        margin-bottom: 1.2rem;
        padding-bottom: 10px;
        border-bottom: 1px solid var(--border-color);
        font-size: 1.4rem;
    }
    .popular-links {
        list-style: none;
    }
    .popular-links li {
        margin-bottom: 12px;
        padding-bottom: 12px;
        border-bottom: 1px dashed var(--border-color);
    }
    .popular-links li:last-child {
        margin-bottom: 0;
        padding-bottom: 0;
        border-bottom: none;
    }
    .popular-links a {
        color: var(--text-dark);
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .popular-links a:hover {
        color: var(--secondary-color);
    }
    .popular-links i {
        color: var(--secondary-color);
    }
    .rating-widget {
        text-align: center;
    }
    .stars {
        font-size: 2rem;
        color: #ffc107;
        margin: 1rem 0;
        cursor: pointer;
    }
    .stars i {
        transition: var(--transition);
        padding: 0 2px;
    }
    .stars i:hover {
        transform: scale(1.2);
    }
    .rating-form, .comment-form {
        display: flex;
        flex-direction: column;
        gap: 1rem;
        margin-top: 1.5rem;
    }
    .form-group {
        display: flex;
        flex-direction: column;
    }
    .form-group label {
        margin-bottom: 6px;
        font-weight: 600;
        color: var(--text-dark);
    }
    .form-control {
        padding: 12px 15px;
        border: 1px solid var(--border-color);
        border-radius: var(--radius);
        font-size: 1rem;
        transition: var(--transition);
    }
    .form-control:focus {
        outline: none;
        border-color: var(--secondary-color);
        box-shadow: 0 0 0 3px rgba(255, 111, 0, 0.2);
    }
    textarea.form-control {
        min-height: 120px;
        resize: vertical;
    }
    .btn {
        background-color: var(--secondary-color);
        color: white;
        border: none;
        padding: 14px 20px;
        border-radius: var(--radius);
        font-weight: 600;
        cursor: pointer;
        transition: var(--transition);
        text-align: center;
    }
    .btn:hover {
        background-color: #e65100;
        transform: translateY(-2px);
    }
    .comments-section {
        margin-top: 3rem;
        border-top: 2px solid var(--border-color);
        padding-top: 2rem;
    }
    .comment {
        background-color: var(--bg-light);
        padding: 1.5rem;
        border-radius: var(--radius);
        margin-bottom: 1.5rem;
        border-left: 3px solid var(--accent-color);
    }
    .comment-header {
        display: flex;
        justify-content: space-between;
        margin-bottom: 10px;
        flex-wrap: wrap;
        gap: 10px;
    }
    .comment-author {
        font-weight: 700;
        color: var(--primary-color);
    }
    .comment-date {
        color: var(--text-light);
        font-size: 0.9rem;
    }
    .longtail-links {
        background-color: var(--bg-light);
        padding: 3rem 0;
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }
    .web-link {
        display: inline-block;
        margin: 8px 15px 8px 0;
        padding: 8px 16px;
        background-color: white;
        border-radius: 30px;
        border: 1px solid var(--border-color);
        transition: var(--transition);
        font-size: 0.95rem;
    }
    .web-link:hover {
        background-color: var(--secondary-color);
        border-color: var(--secondary-color);
        color: white;
    }
    .web-link:hover a {
        color: white;
    }
    .site-footer {
        background-color: var(--primary-color);
        color: white;
        padding: 3rem 0 1.5rem;
    }
    .footer-container {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }
    @media (max-width: 768px) {
        .footer-container {
            grid-template-columns: repeat(2, 1fr);
        }
    }
    @media (max-width: 576px) {
        .footer-container {
            grid-template-columns: 1fr;
        }
    }
    .footer-column h4 {
        font-size: 1.2rem;
        margin-bottom: 1.5rem;
        color: #ffcc80;
    }
    .footer-links {
        list-style: none;
    }
    .footer-links li {
        margin-bottom: 10px;
    }
    .footer-links a {
        color: #e0e0e0;
    }
    .footer-links a:hover {
        color: white;
        padding-left: 5px;
    }
    .copyright {
        text-align: center;
        padding-top: 2rem;
        margin-top: 2rem;
        border-top: 1px solid rgba(255,255,255,0.1);
        color: #b0b0b0;
        font-size: 0.9rem;
    }
    @media (max-width: 768px) {
        .nav-links {
            display: none;
        }
        .hamburger {
            display: block;
        }
        .article-header h1 {
            font-size: 2rem;
        }
        .article-body h2 {
            font-size: 1.7rem;
        }
        .article-body h3 {
            font-size: 1.4rem;
        }
        .base-layout-grid {
            grid-template-columns: 1fr;
        }
    }