:root {
            --primary-color: #1a3d5c;
            --secondary-color: #4a90e2;
            --accent-color: #0d2a42;
            --light-bg: #f8f9fa;
            --card-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f0f4f8;
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            max-width: 800px;
        }
        
        
        
        .blog-header {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
            color: white;
            padding: 4rem 0;
            margin-bottom: 2rem;
            position: relative;
            overflow: hidden;
        }
        
        .blog-header:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.05)"/></svg>');
            background-size: cover;
        }
        
        .blog-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
        }
        
        .blog-meta {
            display: flex;
            align-items: center;
            margin-bottom: 2rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid rgba(255,255,255,0.2);
        }
        .subscription-message{color:green}
        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--secondary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1rem;
            color: white;
            font-weight: 600;
            font-size: 1.2rem;
        }
        
        .author-info {
            flex: 1;
        }
        
        .author-name {
            font-weight: 600;
            margin-bottom: 0.25rem;
        }
        
        .post-date {
            opacity: 0.8;
            font-size: 0.9rem;
        }
        
        .blog-image {
            width: 100%;
            border-radius: 10px;
            margin-bottom: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .blog-body {
            font-size: 1.1rem;
            line-height: 1.8;
        }
        
        .blog-body h2 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: var(--accent-color);
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--secondary-color);
        }
        
        .blog-body h3 {
            font-size: 1.5rem;
            margin: 1.5rem 0 0.75rem;
            color: var(--primary-color);
        }
        
        .blog-body p {
            margin-bottom: 1.5rem;
        }
        
        .blog-body ul, .blog-body ol {
            margin-bottom: 1.5rem;
            padding-left: 1.5rem;
        }
        
        .blog-body li {
            margin-bottom: 0.5rem;
        }
        
        .highlight-box {
            background-color: rgba(44, 125, 160, 0.1);
            border-left: 4px solid var(--primary-color);
            padding: 1.5rem;
            border-radius: 0 4px 4px 0;
            margin: 1.5rem 0;
        }
        
        .code-sample {
            background: var(--accent-color);
            color: #f8f8f2;
            border-radius: 8px;
            padding: 1.5rem;
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            line-height: 1.6;
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        
        .code-keyword {
            color: #f92672;
        }
        
        .code-function {
            color: #a6e22e;
        }
        
        .code-string {
            color: #e6db74;
        }
        
        .code-comment {
            color: #75715e;
        }
        
        .blog-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 2rem 0;
        }
        .blog-summary{     
			height: 40px;
			overflow: hidden;
			display: -webkit-box;
			-webkit-box-orient: vertical;
			-webkit-line-clamp: 2;
			line-height: 20px;
	}
        .blog-tag {
            background: rgba(44, 125, 160, 0.1);
            color: var(--primary-color);
            border-radius: 20px;
            padding: 0.25rem 0.75rem;
            font-size: 0.9rem;
        }
        
        .social-share {
            display: flex;
            gap: 0.5rem;
            margin: 2rem 0;
        }
        
        .share-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--light-bg);
            color: var(--primary-color);
            border: 1px solid #ddd;
            transition: all 0.3s;
        }
        
        .share-btn:hover {
            background: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }
        
        .author-card {
            background: white;
            border-radius: 10px;
            box-shadow: var(--card-shadow);
            padding: 2rem;
            margin-bottom: 2rem;
            display: flex;
            align-items: center;
        }
        
        .author-bio {
            flex: 1;
            padding-left: 1.5rem;
        }
        
        .author-title {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--accent-color);
        }
        
        .related-posts {
            background: white;
            border-radius: 10px;
            box-shadow: var(--card-shadow);
            padding: 2rem;
            margin-bottom: 2rem;
        }
        
        .section-title {
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 30px;
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--accent-color);
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background-color: var(--primary-color);
        }
        
        .related-post {
            display: flex;
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .related-post:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        
        .related-image {
            width: 120px;
            height: 80px;
            border-radius: 8px;
            object-fit: cover;
            margin-right: 1.5rem;
        }
        
        .related-title {
            font-weight: 600;
            margin-bottom: 0.25rem;
            font-size: 1.1rem;
        }
        
        .related-excerpt {
            color: #666;
            font-size: 0.95rem;
        }
        
        .comments-section {
            background: white;
            border-radius: 10px;
            box-shadow: var(--card-shadow);
            padding: 2rem;
            margin-bottom: 2rem;
        }
        
        .comment-form {
            margin-bottom: 2rem;
        }
        
        .form-group {
            margin-bottom: 1.5rem;
        }
        
        .form-label {
            font-weight: 600;
            margin-bottom: 0.5rem;
            display: block;
        }
        
        .form-control {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
        }
        
        .form-control:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 0.2rem rgba(44, 125, 160, 0.25);
            outline: none;
        }
        
        textarea.form-control {
            min-height: 150px;
        }
        
        .btn-submit {
            background: var(--primary-color);
            color: white;
            border: none;
            border-radius: 6px;
            padding: 0.75rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .btn-submit:hover {
            background: var(--secondary-color);
            transform: translateY(-2px);
        }
        
        .comment {
            display: flex;
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .comment:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        
        .comment-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--secondary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 1.5rem;
            color: white;
            font-weight: 600;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        
        .comment-content {
            flex: 1;
        }
        
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 0.5rem;
        }
        
        .comment-author {
            font-weight: 600;
        }
        
        .comment-date {
            color: #666;
            font-size: 0.9rem;
        }
        
        .comment-text {
            line-height: 1.6;
        }
        
        .back-to-blog {
            display: inline-flex;
            align-items: center;
            color: var(--primary-color);
            font-weight: 500;
            margin-bottom: 2rem;
            text-decoration: none;
        }
        
        .back-to-blog i {
            margin-right: 0.5rem;
        }
        
        .footer {
            background-color: var(--light-bg);
            padding: 3rem 0;
            margin-top: 3rem;
            border-top: 1px solid #eaeaea;
        }
        
        @media (max-width: 767px) {
            .container {
                padding: 0 1rem;
            }
            
            .blog-header {
                padding: 2rem 0;
            }
            
            .blog-title {
                font-size: 1.8rem;
            }
            
            .author-card {
                flex-direction: column;
                text-align: center;
            }
            
            .author-bio {
                padding-left: 0;
                padding-top: 1.5rem;
            }
            
            .related-post {
                flex-direction: column;
            }
            
            .related-image {
                width: 100%;
                height: 150px;
                margin-right: 0;
                margin-bottom: 1rem;
            }
        }
	 
        
        .success-container {
            background: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            padding: 40px;
            text-align: center;
            display: none;
        }
        
        .success-icon {
            font-size: 64px;
            color: #2ecc71;
            margin-bottom: 20px;
        }
        
        .success-title {
            color: #2ecc71;
            margin-bottom: 15px;
        }
        
        .success-message {
            color: #7f8c8d;
            font-size: 18px;
            margin-bottom: 30px;
        }
        
        .btn-back {
            background:  var(--primary-color);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }
        
        .btn-back:hover {
            color: #fff;
            transform: translateY(-2px);
        }
		.btn-block {
            display: block;
            width: 100%;
        }
        
        .captcha-container {
            background: #f8f9fa;
            padding: 15px;
            border-radius: 5px;
            margin-bottom: 20px;
        }
        
        .captcha-question {
            font-size: 1.2rem;
            font-weight: bold;
            margin-bottom: 10px;
            color: #2c3e50;
        }
        
        .refresh-captcha {
            background: none;
            border: none;
            color: #3498db;
            cursor: pointer;
            font-size: 14px;
            margin-top: 10px;
        }
        .design-process {
    display: flex;
    justify-content: space-between;
    margin: 2rem 0;
    flex-wrap: wrap;
}.process-step {
    flex: 1;
    min-width: 200px;
    text-align: center;
    padding: 1.5rem;
    margin: 0.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    position: relative;
}.step-number {
    position: absolute;
    top: -15px;
    left: -15px;
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}.step-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}.blog-body h3 {
    font-size: 1.5rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--primary-color);
}.blog-body p {
    margin-bottom: 1.5rem;
}.design-comparison {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 2rem 0;
}.design-example {
    flex: 1;
    min-width: 300px;
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
}.design-image {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 1rem;
}.tool-card {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    margin: 1.5rem 0;
    border-left: 4px solid var(--secondary-color);
}.time-audit-visual {
    display: flex;
    justify-content: space-between;
    margin: 2rem 0;
    flex-wrap: wrap;
}.productivity-leak {
    background: #fff5f5;
    border-left: 4px solid #e53e3e;
}

.time-block {
    flex: 1;
    min-width: 150px;
    text-align: center;
    padding: 1.5rem;
    margin: 0.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    position: relative;
}.productive-time {
    background: #f0fff4;
    border-left: 4px solid #38a169;
}
 .tool-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}.tool-icon {
    width: 50px;
    height: 50px;
    background: var(--secondary-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 1.5rem;
}.tool-meta {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
}.tool-tag {
    background: rgba(74, 143, 226, 0.1);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
}.time-log-example {
    background: #2d2d2d;
    color: #f8f8f2;
    border-radius: 8px;
    padding: 1.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: auto;
    margin: 1.5rem 0;
}.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgb(0 0 0 / 5%);
}.comparison-table th {
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    text-align: left;
}.comparison-table td {
    padding: 1rem;
    border-bottom: 1px solid #eee;
}.comparison-table tr:nth-child(even) {
    background: #f9f9f9;
}.calculator-demo {
    background: #f8f9fa;
    border-radius: 8px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border: 1px solid #e9ecef;
}.calc-input-group {
    display: flex;
    margin-bottom: 1rem;
    align-items: center;
}.calc-label {
    width: 200px;
    font-weight: 500;
}.calc-input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}.improvement-tip {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: var(--card-shadow);
}.tip-icon {
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}.tip-content {
    flex: 1;
}.learning-principle {
    display: flex;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
}.study-plan-example {
    background: #2d2d2d;
    color: #f8f8f2;
    border-radius: 8px;
    padding: 1.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    overflow-x: auto;
    margin: 1.5rem 0;
}.tool-workflow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 2rem 0;
    flex-wrap: wrap;
}.workflow-step {
    text-align: center;
    padding: 1rem;
    flex: 1;
    min-width: 150px;
}.step-arrow {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0 0.5rem;
}.step-number {
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-weight: 700;
}.study-method-comparison {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 2rem 0;
}.method-card {
    flex: 1;
    min-width: 300px;
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
}.method-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}.efficiency-rating {
    display: flex;
    align-items: center;
    margin-top: 1rem;
}.privacy-risk-level {
    display: flex;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: var(--card-shadow);
    align-items: center;
}.risk-high {
    background-color: #e74c3c;
}

.risk-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1.5rem;
    font-size: 1.5rem;
    color: white;
    flex-shrink: 0;
}.risk-content {
    flex: 1;
}.data-flow-diagram {
    background: white;
    border-radius: 10px;
    padding: 2rem;
    box-shadow: var(--card-shadow);
    margin: 2rem 0;
    text-align: center;
}.flow-step {
    display: inline-block;
    width: 150px;
    margin: 0 1rem;
    text-align: center;
    vertical-align: top;
}.flow-icon {
    width: 70px;
    height: 70px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
}.flow-arrow {
    display: inline-block;
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0 0.5rem;
    vertical-align: top;
    line-height: 70px;
}.privacy-matrix {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
}.privacy-matrix th {
    background: var(--primary-color);
    color: white;
    padding: 1rem;
    text-align: left;
}.privacy-matrix td {
    padding: 1rem;
    border-bottom: 1px solid #eee;
}.privacy-matrix tr:nth-child(even) {
    background: #f9f9f9;
}.privacy-checklist {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    margin: 1.5rem 0;
}.check-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #27ae60;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 0.8rem;
    flex-shrink: 0;
    margin-top: 0.25rem;
}.checklist-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f0f0f0;
}.action-plan {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: var(--card-shadow);
    margin: 1.5rem 0;
}.action-item {
    display: flex;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #f0f0f0;
}
.action-priority {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    flex-shrink: 0;
    margin-top: 0.25rem;
}