:root {
            /* Colors */
            --primary-color: #fd3132;
            --primary-hover: #d50404;
            --primary-light: rgba(253, 49, 50, 0.1);
            --secondary-color: #2a3d66;
            --secondary-hover: #16274b;
            --secondary-light: rgba(42, 61, 102, 0.1);
            --text-color: #333333;
            --text-light: #666666;
            --white: #ffffff;
            --light-gray: #f8f9fa;
            --mid-gray: #e9ecef;
            --dark-gray: #adb5bd;
            --success-color: #10B981;
            --error-color: #EF4444;
            --warning-color: #F59E0B;
            --info-color: #06B6D4;
            
            /* Typography */
            --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-lg: 1.125rem;
            
            /* Spacing */
            --header-height: 70px;
            --border-radius: 12px;
            --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: var(--font-family);
            background-color: var(--light-gray);
            color: var(--text-color);
            font-size: var(--font-size-base);
            overflow-x: hidden;
            padding-top: var(--header-height);
        }
        
        /* Header Styles */
        header {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
            color: var(--white);
            height: var(--header-height);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 2rem;
            box-shadow: var(--shadow);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
        }
        
        .header-left {
            display: flex;
            align-items: center;
            gap: 3rem;
        }
        
        .logo {
            color: var(--white);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.25rem;
            transition: all 0.3s;
        }
        
        .logo:hover {
            transform: scale(1.05);
            color: var(--white);
        }
        
        .logo i {
            font-size: 1.75rem;
        }
        
        header nav {
            display: flex;
            gap: 0.5rem;
        }
        
        header nav a {
            color: var(--white);
            text-decoration: none;
            padding: 0.5rem 1.25rem;
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
            transition: all 0.3s;
            font-size: var(--font-size-sm);
        }
        
        header nav a:hover,
        header nav a.active {
            background: rgba(255, 255, 255, 0.2);
        }
        
        .header-right {
            display: flex;
            gap: 0.75rem;
        }
        
        .btn-share,
        .btn-print,
        .btn-exit {
            color: var(--white);
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 0.5rem 1rem;
            border-radius: 8px;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
            transition: all 0.3s;
            font-size: var(--font-size-sm);
        }
        
        .btn-share:hover,
        .btn-print:hover {
            background: rgba(255, 255, 255, 0.25);
            color: var(--white);
        }
        
        .btn-exit:hover {
            background: var(--white);
            color: var(--primary-color);
        }
        
        /* Blog Hero */
        .blog-hero {
            background: linear-gradient(135deg, var(--secondary-color), var(--secondary-hover));
            color: var(--white);
            padding: 2.5rem 0 2rem;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
        }
        
        .blog-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
            opacity: 0.5;
        }
        
        .blog-hero .container {
            position: relative;
            z-index: 1;
        }
        
        .blog-hero h1 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        
        .blog-hero p {
            font-size: 0.9rem;
            opacity: 0.9;
            margin: 0;
        }
        
        /* Breadcrumb */
        .blog-breadcrumb {
            background: var(--white);
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--mid-gray);
            margin-bottom: 1.5rem;
            font-size: 0.75rem;
        }
        
        .blog-breadcrumb a {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .blog-breadcrumb a:hover {
            color: var(--primary-hover);
            text-decoration: underline;
        }
        
        .blog-breadcrumb i {
            font-size: 0.7rem;
            color: var(--text-light);
        }
        
        .blog-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
            font-size: 0.7rem;
        }
        
        /* Category Pills */
        .category-pills {
            background: var(--white);
            padding: 0.75rem 1rem;
            border-radius: 8px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
            margin-bottom: 1.5rem;
            margin-top: 1.5rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
        }
        
        .category-pill {
            display: inline-flex;
            align-items: center;
            padding: 0.35rem 0.85rem;
            background: var(--light-gray);
            border: 1px solid var(--mid-gray);
            border-radius: 20px;
            color: var(--text-color);
            text-decoration: none;
            font-size: 0.75rem;
            font-weight: 500;
            transition: all 0.2s;
            white-space: nowrap;
        }
        
        .category-pill:hover {
            background: var(--primary-light);
            border-color: var(--primary-color);
            color: var(--primary-color);
            transform: translateY(-1px);
        }
        
        .category-pill.active {
            background: var(--primary-color);
            color: var(--white);
            border-color: var(--primary-color);
            box-shadow: 0 2px 4px rgba(253, 49, 50, 0.2);
        }
        
        .category-pill i {
            font-size: 0.7rem;
            margin-right: 0.35rem;
        }
        
        /* Blog Cards */
        .blog-card {
            background: var(--white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
            transition: all 0.3s;
            height: 100%;
            display: flex;
            flex-direction: column;
            text-decoration: none;
            color: inherit;
        }
        
        .blog-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            text-decoration: none;
            color: inherit;
        }
        
        .blog-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
        }
        
        .blog-card-body {
            padding: 1.25rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .blog-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.3rem 0.75rem;
            background: var(--primary-light);
            color: var(--primary-color);
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
            width: fit-content;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }
        
        .blog-card-title {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
            color: var(--text-color);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .blog-card-desc {
            font-size: 0.8rem;
            color: var(--text-light);
            line-height: 1.5;
            margin-bottom: 1rem;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .blog-card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding-top: 0.75rem;
            border-top: 1px solid var(--mid-gray);
            font-size: 0.7rem;
            color: var(--text-light);
            font-weight: 500;
        }
        
        .blog-card-meta i {
            color: var(--primary-color);
            margin-right: 0.25rem;
            font-size: 0.7rem;
        }
        
        /* Single Blog */
        .blog-single {
            background: var(--white);
            border-radius: 8px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
            overflow: hidden;
            margin-bottom: 2rem;
        }
        
        .blog-header {
            padding: 2rem;
            background: var(--white);
        }
        
        .blog-title {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: var(--text-color);
        }
        
        .blog-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            padding: 1rem 0;
            border-top: 1px solid var(--mid-gray);
            border-bottom: 1px solid var(--mid-gray);
            font-size: 0.8rem;
            color: var(--text-light);
            font-weight: 500;
        }
        
        .blog-meta span {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        
        .blog-meta i {
            color: var(--primary-color);
            font-size: 0.85rem;
        }
        
        .blog-featured-img {
            width: 100%;
            max-height: 400px;
            object-fit: cover;
            margin: 1.5rem 0;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }
        
        .blog-content {
            padding: 2rem;
            font-size: 0.95rem;
            line-height: 1.7;
            color: var(--text-color);
        }
        
        .blog-content h1,
        .blog-content h2,
        .blog-content h3,
        .blog-content h4,
        .blog-content h5,
        .blog-content h6 {
            font-weight: 600;
            color: var(--text-color);
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            line-height: 1.3;
        }
        
        .blog-content h1 { font-size: 1.75rem; }
        .blog-content h2 { 
            font-size: 1.5rem;
            padding-bottom: 0.4rem;
            border-bottom: 2px solid var(--primary-color);
        }
        .blog-content h3 { font-size: 1.25rem; }
        .blog-content h4 { font-size: 1.1rem; }
        
        .blog-content p {
            margin-bottom: 1.25rem;
        }
        
        .blog-content strong {
            font-weight: 600;
            color: var(--text-color);
        }
        
        .blog-content a {
            color: var(--primary-color);
            text-decoration: underline;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .blog-content a:hover {
            color: var(--primary-hover);
        }
        
        .blog-content ul,
        .blog-content ol {
            margin: 1.25rem 0 1.25rem 1.5rem;
        }
        
        .blog-content li {
            margin-bottom: 0.5rem;
            line-height: 1.6;
        }
        
        .blog-content ul li::marker {
            color: var(--primary-color);
        }
        
        .blog-content ol li::marker {
            color: var(--primary-color);
            font-weight: 600;
        }
        
        .blog-content blockquote {
            border-left: 4px solid var(--primary-color);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            background: var(--primary-light);
            border-radius: 0 8px 8px 0;
            font-style: italic;
            font-size: 0.95rem;
        }
        
        .blog-content pre {
            background: var(--secondary-color);
            color: var(--white);
            border-radius: 8px;
            padding: 1.25rem;
            overflow-x: auto;
            margin: 1.5rem 0;
            font-family: 'Courier New', monospace;
            font-size: 0.85rem;
        }
        
        .blog-content code {
            background: var(--light-gray);
            padding: 0.2rem 0.4rem;
            border-radius: 4px;
            font-family: 'Courier New', monospace;
            font-size: 0.85em;
            color: var(--primary-color);
            border: 1px solid var(--mid-gray);
        }
        
        .blog-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
            border: none;
        }
        
        .blog-content img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 1.5rem 0;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }
        
        .blog-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
            border-radius: 8px;
            overflow: hidden;
            font-size: 0.9rem;
        }
        
        .blog-content table th,
        .blog-content table td {
            padding: 0.75rem;
            text-align: left;
            border: 1px solid var(--mid-gray);
        }
        
        .blog-content table th {
            background: var(--primary-color);
            color: var(--white);
            font-weight: 600;
        }
        
        .blog-content table tr:nth-child(even) {
            background: var(--light-gray);
        }
        
        /* Blog Actions */
        .blog-actions {
            padding: 1.5rem 2rem;
            background: var(--light-gray);
            border-top: 1px solid var(--mid-gray);
        }
        
        /* Related Posts */
        .related-section {
            background: var(--white);
            padding: 2rem;
            border-radius: 8px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
            margin-top: 2rem;
        }
        
        .related-section h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            color: var(--text-color);
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        
        .related-section h3 i {
            color: var(--primary-color);
            font-size: 1.25rem;
        }
        
        /* Not Found */
        .not-found {
            text-align: center;
            padding: 5rem 2rem;
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        
        .not-found i {
            font-size: 5rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
            opacity: 0.5;
        }
        
        .not-found h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            header {
                padding: 0 1rem;
            }
            
            .header-left {
                gap: 1.5rem;
            }
            
            header nav {
                display: none;
            }
            
            .blog-hero h1 {
                font-size: 1.5rem;
            }
            
            .blog-hero p {
                font-size: 0.85rem;
            }
            
            .blog-title {
                font-size: 1.5rem;
            }
            
            .blog-content {
                font-size: 0.9rem;
            }
        }
        
        @media (max-width: 768px) {
            .logo span,
            .btn-share span,
            .btn-print span,
            .btn-exit span {
                display: none;
            }
            
            .blog-hero {
                padding: 2rem 0 1.5rem;
            }
            
            .blog-hero h1 {
                font-size: 1.35rem;
            }
            
            .blog-hero p {
                font-size: 0.8rem;
            }
            
            .category-pills {
                padding: 0.6rem 0.75rem;
                gap: 0.4rem;
            }
            
            .category-pill {
                font-size: 0.7rem;
                padding: 0.3rem 0.7rem;
            }
            
            .blog-header,
            .blog-content,
            .blog-actions {
                padding: 1.5rem 1.25rem;
            }
            
            .blog-title {
                font-size: 1.35rem;
            }
            
            .blog-meta {
                gap: 0.75rem;
                font-size: 0.75rem;
            }
            
            .blog-content {
                font-size: 0.9rem;
            }
            
            .blog-content h1 { font-size: 1.5rem; }
            .blog-content h2 { font-size: 1.3rem; }
            .blog-content h3 { font-size: 1.15rem; }
            .blog-content h4 { font-size: 1rem; }
            
            .blog-card-img {
                height: 160px;
            }
            
            .blog-card-body {
                padding: 1rem;
            }
            
            .blog-card-title {
                font-size: 0.95rem;
            }
            
            .blog-card-desc {
                font-size: 0.75rem;
            }
            
            .blog-card-meta {
                font-size: 0.68rem;
                gap: 0.75rem;
            }
            
            .related-section {
                padding: 1.5rem 1.25rem;
            }
            
            .related-section h3 {
                font-size: 1.15rem;
            }
        }
        
        /* Print Styles */
        @media print {
            header,
            .blog-breadcrumb,
            .blog-actions,
            .related-section,
            .btn-share,
            .btn-print,
            .btn-exit {
                display: none !important;
            }
            
            body {
                padding-top: 0;
            }
            
            .blog-single {
                box-shadow: none;
            }
        }