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ease}.product-detail__main-image-container:hover .product-detail__main-image{transform:scale(1.05)}.product-detail__zoom-icon{position:absolute;top:10px;right:10px;width:40px;height:40px;background-color:rgba(255,255,255,.8);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;opacity:0;transition:opacity .3s ease;z-index:2}.product-detail__main-image-container:hover .product-detail__zoom-icon{opacity:1}.product-detail__thumbnails{display:flex;gap:10px;flex-wrap:wrap}.product-detail__thumbnail-item{width:80px;height:80px;border-radius:var(--border-radius-md);overflow:hidden;cursor:pointer;border:2px solid transparent;background-color:var(--color-sub);transition:all .3s ease}.product-detail__thumbnail-item--active,.product-detail__thumbnail-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.product-detail__thumbnail-item--active{border-color:var(--color-main)}.product-detail__thumbnail{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}.product-detail__thumbnail-item:hover .product-detail__thumbnail{transform:scale(1.1)}.product-detail__info{flex:1 1;min-width:300px}.product-detail__header{margin-bottom:20px;position:relative}.product-detail__title{font-family:var(--font-heading);font-weight:700;font-size:28px;margin-bottom:10px;color:var(--color-text);position:relative;display:inline-block}.product-detail__title:after{content:"";position:absolute;bottom:-5px;left:0;width:40px;height:3px;background-color:var(--color-main);transition:width .3s ease}.product-detail__info:hover .product-detail__title:after{width:100%}.product-detail__rating{display:flex;align-items:center;gap:10px}.product-detail__stars{display:flex}.product-detail__star{color:#ccc;font-size:18px}.product-detail__star--filled{color:var(--color-accent)}.product-detail__star--half{position:relative;color:var(--color-accent)}.product-detail__star--half:after{content:"★";position:absolute;left:0;top:0;width:50%;overflow:hidden;color:var(--color-accent)}.product-detail__review-count{color:#666;font-size:14px;cursor:pointer;transition:color .3s ease}.product-detail__review-count:hover{color:var(--color-main);text-decoration:underline}.product-detail__price-container{margin-bottom:20px;display:flex;align-items:center;gap:10px}.product-detail__original-price{font-family:var(--font-body);font-size:18px;color:#999;text-decoration:line-through}.product-detail__price{font-family:var(--font-heading);font-weight:700;font-size:28px;color:var(--color-main)}.product-detail__discount-badge{background-color:var(--color-accent);color:var(--color-text);font-weight:700;font-size:14px;padding:4px 8px;border-radius:var(--border-radius-md)}.product-detail__description{margin-bottom:30px;line-height:1.6;color:#444;padding:15px;background-color:var(--color-light-gray);border-radius:var(--border-radius-md);border-left:3px solid var(--color-main)}.product-detail__options{margin-bottom:30px}.product-detail__option{margin-bottom:20px}.product-detail__option-label{display:block;font-weight:500;margin-bottom:10px;color:var(--color-text);position:relative;padding-left:15px}.product-detail__option-label:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:6px;background-color:var(--color-main);border-radius:50%}.product-detail__color-options{display:flex;gap:10px}.product-detail__color-option{width:30px;height:30px;border-radius:50%;cursor:pointer;border:1px solid #ddd;transition:all .3s ease;position:relative}.product-detail__color-option:hover{transform:scale(1.1)}.product-detail__color-option--selected{border:2px solid var(--color-main)}.product-detail__color-option--selected:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--color-text);font-size:14px;font-weight:700}.product-detail__size-options{display:flex;gap:10px;flex-wrap:wrap}.product-detail__size-option{min-width:40px;height:40px;display:flex;align-items:center;justify-content:center;border:1px solid #ddd;border-radius:var(--border-radius-md);cursor:pointer;font-size:14px;transition:all .3s ease}.product-detail__size-option--selected,.product-detail__size-option:hover{border-color:var(--color-main);transform:translateY(-2px)}.product-detail__size-option--selected{background-color:var(--color-main);color:white;box-shadow:var(--shadow-sm)}.product-detail__quantity{display:flex;align-items:center;max-width:120px;border-radius:var(--border-radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}.product-detail__quantity-btn{width:36px;height:36px;background-color:var(--color-light-gray);border:1px solid #ddd;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;transition:all .3s ease}.product-detail__quantity-btn:hover{background-color:var(--color-sub);color:var(--color-main)}.product-detail__quantity-btn--minus{border-radius:4px 0 0 4px}.product-detail__quantity-btn--plus{border-radius:0 4px 4px 0}.product-detail__quantity-input{width:50px;height:36px;border:1px solid #ddd;border-right:none;border-left:none;text-align:center;font-size:14px;background-color:white}.product-detail__actions{display:flex;gap:10px;margin-bottom:30px}.product-detail__button{flex:1 1;transition:all .3s ease}.product-detail__button:hover{transform:translateY(-3px)}.product-detail__meta{padding:20px;border-top:1px solid #eee;background-color:var(--color-light-gray);border-radius:var(--border-radius-md)}.product-detail__meta-item{display:flex;margin-bottom:10px;font-size:14px}.product-detail__meta-item:last-child{margin-bottom:0}.product-detail__meta-label{font-weight:500;min-width:100px;color:var(--color-text)}.product-detail__meta-value{color:#666}.product-detail__tags{display:flex;flex-wrap:wrap;gap:5px}.product-detail__tag{background-color:var(--color-sub);color:var(--color-main);font-size:12px;padding:4px 8px;border-radius:var(--border-radius-md);transition:all .3s ease}.product-detail__tag:hover{background-color:var(--color-main);color:white}.product-detail__tabs{margin-bottom:60px}.product-detail__tab-buttons{display:flex;border-bottom:1px solid #ddd;margin-bottom:20px}.product-detail__tab-button{padding:15px 20px;font-weight:500;cursor:pointer;transition:all .3s ease;border-bottom:2px solid transparent;color:#666}.product-detail__tab-button:hover{color:var(--color-main)}.product-detail__tab-button--active{color:var(--color-main);border-bottom-color:var(--color-main)}.product-detail__tab-content{display:none;padding:20px;background-color:var(--color-white);border-radius:var(--border-radius-md);box-shadow:var(--shadow-sm)}.product-detail__tab-content--active{display:block}.product-detail__tab-content p{margin-bottom:15px;line-height:1.6}.product-detail__tab-content ul{margin-bottom:15px;padding-left:20px}.product-detail__tab-content li{margin-bottom:5px;line-height:1.6}.related-products{margin-top:60px}.related-products__title{font-family:var(--font-heading);font-size:24px;font-weight:700;margin-bottom:30px;position:relative;display:inline-block}.related-products__title:after{content:"";position:absolute;bottom:-10px;left:0;width:40px;height:3px;background-color:var(--color-main)}.related-products__grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:20px;gap:20px}.product-detail__related-products{display:flex;justify-content:center;align-items:center}.product-detail__related-product{margin-right:20px}.product-detail__related-product-image-container img{width:100%}@media (max-width:1200px){.related-products__grid{grid-template-columns:repeat(3,1fr)}}@media (max-width:992px){.product-detail__container{flex-direction:column}.related-products__grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.product-detail__tab-buttons{flex-wrap:wrap}.product-detail__tab-button{flex:1 1;text-align:center;padding:10px}}@media (max-width:576px){.product-detail__actions{flex-direction:column}.related-products__grid{grid-template-columns:1fr}.product-detail__related-products{display:flex;justify-content:center;flex-direction:column;align-items:center;margin-top:1rem}}