.calendar-index{max-width:800px;margin:0 auto;padding:20px}.calendar-index-header{text-align:center;margin-bottom:40px}.calendar-index-header h1{font-size:2.5rem;font-weight:700;color:#2c3e50;margin-bottom:10px}.calendar-index-header p{font-size:1.1rem;color:#666;max-width:600px;margin:0 auto;line-height:1.6}.years-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:40px}.year-card{background:white;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,.1);padding:30px 20px;text-align:center;cursor:pointer;transition:all .3s ease;border:1px solid #e0e0e0;position:relative;overflow:hidden}.year-card,.year-card:hover{text-decoration:none;color:inherit}.year-card:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(0,0,0,.15)}.year-card.current{border:2px solid #4caf50}.current-badge{position:absolute;top:10px;right:10px;background:#4CAF50;color:white;font-size:.7rem;font-weight:700;padding:4px 8px;border-radius:12px;text-transform:uppercase}.year-display{font-size:3rem;font-weight:700;color:#2c3e50;margin-bottom:10px}.year-display.current{color:#4CAF50}.year-info{color:#666;font-size:.9rem;margin-bottom:15px}.year-features{display:flex;justify-content:center;gap:15px;font-size:.8rem;color:#888;margin-bottom:15px;flex-wrap:wrap}.year-action{background:#f8f9fa;color:#2c3e50;padding:8px 20px;border-radius:6px;font-size:.9rem;font-weight:700;display:inline-block;transition:all .2s ease}.year-action.current{background:#4CAF50;color:white}.features-section{background:#f8f9fa;border-radius:12px;padding:30px;text-align:center}.features-section h2{font-size:1.5rem;color:#2c3e50;margin-bottom:15px}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-top:25px}.feature-item{text-align:center}.feature-icon{font-size:2rem;margin-bottom:10px}.feature-title{font-size:1.1rem;color:#4CAF50;margin-bottom:8px;font-weight:700}.feature-description{color:#666;font-size:.9rem;line-height:1.5}@media (max-width:768px){.calendar-index{padding:15px}.calendar-index-header h1{font-size:2rem}.years-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px}.year-card{padding:25px 15px}.year-display{font-size:2.5rem}.year-features{gap:10px}.features-section{padding:25px 20px}}@media (max-width:480px){.years-grid{grid-template-columns:1fr}.year-card{padding:20px 15px}.year-display{font-size:2.2rem}.year-features{flex-direction:column;gap:8px}.features-grid{grid-template-columns:1fr;gap:15px}.features-section{padding:20px 15px}}@media print{.calendar-index{max-width:none;padding:0}.year-card:hover{transform:none;box-shadow:0 4px 12px rgba(0,0,0,.1)}.years-grid{grid-template-columns:repeat(2,1fr);gap:15px}}