:root{--primary-color: #111;--accent-color: #008080;--bg-color: #ffffff;--text-color: #333;--text-muted: #666;--border-color: #e5e5e5;--container-width: 1200px;--article-width: 800px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-color);line-height:1.6}h1,h2,h3,h4,h5,h6{font-family:Merriweather,serif;color:var(--primary-color);font-weight:700}header{background-color:#fff;border-bottom:1px solid var(--border-color);padding:1.5rem 0;position:sticky;top:0;z-index:1000}.nav-container{max-width:var(--container-width);margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.logo{font-family:Inter,sans-serif;font-weight:800;font-size:1.5rem;color:#000;text-decoration:none;letter-spacing:-.5px;text-transform:uppercase}nav a{color:var(--text-color);text-decoration:none;font-weight:500;font-size:.95rem;padding:.5rem 1rem;transition:color .2s}nav 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ol{margin-bottom:2rem;padding-left:2rem}.article-content li{margin-bottom:.5rem}.highlight-box{background-color:#f9f9f9;border-left:4px solid var(--accent-color);padding:1.5rem;margin:2rem 0;font-style:italic;font-family:Merriweather,serif}.cta-box{background-color:#f0f0f0;padding:2.5rem;text-align:center;margin:4rem 0}.cta-box h3{margin-bottom:1rem}.cta-button{display:inline-block;background-color:var(--primary-color);color:#fff;padding:1rem 2rem;text-decoration:none;font-weight:600;margin-top:1rem;transition:opacity .2s}.cta-button:hover{opacity:.9}.pagination{display:flex;justify-content:center;gap:.5rem;margin-top:5rem;padding-top:3rem;border-top:1px solid var(--border-color)}.pagination a,.pagination span{padding:.5rem 1rem;text-decoration:none;color:var(--text-color);font-weight:500;border:1px solid transparent;transition:all .2s}.pagination a:hover{border-color:var(--text-color)}.pagination .current{background-color:#000;color:#fff}footer{margin-top:6rem;padding:3rem 0;border-top:4px solid #000;text-align:center;font-family:Inter,sans-serif;font-size:.9rem;color:var(--text-muted)}@media(max-width:900px){.blog-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.blog-grid{grid-template-columns:1fr}.hero-section h1,.article-header h1{font-size:2rem}}:root{--chat-primary: #008080;--chat-bg: #ffffff;--chat-text: #333333;--chat-accent: #1abc9c;--chat-shadow: 0 4px 15px rgba(0, 0, 0, .2);--chat-border-radius: 16px}.chatbot-fab{position:fixed;bottom:30px;right:30px;width:60px;height:60px;background-color:var(--chat-primary);border-radius:50%;box-shadow:var(--chat-shadow);display:flex;justify-content:center;align-items:center;cursor:pointer;z-index:9999;transition:transform .3s cubic-bezier(.175,.885,.32,1.275)}.chatbot-fab:hover{transform:scale(1.1)}.chatbot-fab 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