:root{--primary-color: #2175FF;--primary-gradient: linear-gradient(90deg, #2175FF, #3D91FF);--text-color: #333333;--light-text: #666666;--border-radius: 16px;--light-gray: #f0f2f5;--card-shadow: 0 2px 10px rgba(0, 0, 0, .05)}.container{max-width:1200px;margin:0 auto;padding:20px;display:grid;grid-template-columns:300px 1fr;grid-gap:20px}.sidebar{background-color:#fff;border-radius:var(--border-radius);padding:20px;box-shadow:var(--card-shadow);height:calc(100vh - 40px);position:sticky;top:20px;display:flex;flex-direction:column}.section-title{font-size:22px;font-weight:600;margin-bottom:15px;padding-left:10px;border-left:4px solid var(--primary-color)}.content-section{background-color:#fff;border-radius:var(--border-radius);padding:25px;box-shadow:var(--card-shadow);margin-bottom:20px}@media (max-width: 1024px){.container{grid-template-columns:1fr}.sidebar{display:none}}