.custom-accordion{font-family:Inter,sans-serif;max-width:700px;margin:40px auto;border:1px solid #ddd;overflow:hidden;background-color:#fff}.accordion-item{border-top:1px solid #ddd}.accordion-item:first-child{border-top:none}.accordion-header{background-color:#f1f1f1;padding:16px 20px;cursor:pointer;font-weight:600;font-size:16px;position:relative;transition:background-color .3s}.accordion-header:hover{background-color:#0090c7;color:#fff}.accordion-header::after{content:"+";position:absolute;right:20px;font-size:20px;transition:transform .3s}.accordion-item.active .accordion-header::after{content:"−"}.accordion-content{display:none;padding:16px 20px;color:#333;font-size:15px;line-height:1.6}.accordion-item.active .accordion-content{display:block}.accordion-content ul{padding-left:20px}