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.timeline-item::before{background:#818cf8}.dark .timeline-item .timeline-date{color:#818cf8}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin:2rem 0}.feature-card{background:var(--entry);border:1px solid var(--border);border-radius:12px;padding:1.5rem;transition:all .3s ease}.feature-card:hover{transform:translateY(-4px);box-shadow:0 8px 25px rgba(0,0,0,.1);border-color:#667eea}.feature-card .feature-icon{font-size:2rem;margin-bottom:1rem}.feature-card .feature-title{font-size:1.1rem;font-weight:600;color:var(--primary);margin-bottom:.5rem}.feature-card .feature-desc{font-size:.9rem;color:var(--secondary);line-height:1.5}.pros-cons{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin:2rem 0}@media(max-width:640px){.pros-cons{grid-template-columns:1fr}}.pros-list,.cons-list{background:var(--entry);border-radius:12px;padding:1.5rem;border:1px solid var(--border)}.pros-list{border-top:4px solid #4caf50}.cons-list{border-top:4px solid #f44336}.pros-list h4,.cons-list h4{margin:0 0 1rem;display:flex;align-items:center;gap:.5rem}.pros-list h4{color:#4caf50}.cons-list h4{color:#f44336}.pros-list ul,.cons-list ul{margin:0;padding:0;list-style:none}.pros-list li,.cons-list li{padding:.5rem 0;padding-left:1.5rem;position:relative}.pros-list li::before{content:'✓';position:absolute;left:0;color:#4caf50;font-weight:700}.cons-list li::before{content:'✗';position:absolute;left:0;color:#f44336;font-weight:700}