.shop-ebook { background: #fff; border: 1px solid #e7edf5; border-top: 4px solid #b63e3e; border-radius: 10px; box-shadow: 0 8px 24px rgba(20,41,76,.06); scroll-margin-top: 110px; overflow: hidden; }
.shop-ebook-overview { display: grid; grid-template-columns: minmax(150px, .8fr) minmax(0, 1.8fr); align-items: start; gap: 26px; padding: 28px; }
.shop-ebook-cover { margin: 0; }
.shop-ebook-cover img { display: block; width: 100%; height: auto; box-shadow: 0 10px 22px rgba(20,41,76,.15); }
.shop-ebook-cover figcaption { font-size: 12px; color: #5b6472; line-height: 1.5; text-align: center; margin-top: 16px; }
.shop-ebook-presentation h3 { font-size: 25px; line-height: 1.3; margin-bottom: 12px; }
.shop-ebook-presentation p { line-height: 1.65; }
.shop-ebook-presentation .shop-product-topic { color: #a73838; font-size: 12px; letter-spacing: 1px; }
.shop-ebook-author { color: #5b6472; font-size: 14px; }
.shop-ebook-format { font-size: 14px; font-weight: 600; color: #374151; }
.shop-ebook-purchase { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; margin: 22px 0 16px; }
.shop-ebook-purchase .shop-price { font-size: 28px; }
.shop-ebook-cart-link { color: #943131; font-size: 14px; text-decoration: underline; }
#shop-cart { scroll-margin-top: 110px; }
.shop-ebook .default-btn { background-color: #b63e3e; padding: 12px 22px; white-space: normal; }
.shop-ebook-presentation .shop-ebook-delivery { font-size: 13px; color: #5b6472; margin: 0; }
.shop-ebook-delivery i { color: #a73838; margin-right: 5px; }
.shop-ebook-details { border-top: 1px solid #e7edf5; }
.shop-ebook-details summary { padding: 20px 28px; cursor: pointer; font-weight: 700; color: #943131; background: #faf7f5; line-height: 1.5; }
.shop-ebook-description { padding: 6px 28px 28px; }
.shop-ebook-description h4 { font-size: 22px; line-height: 1.4; margin: 26px 0 14px; }
.shop-ebook-description p, .shop-ebook-description li, .shop-ebook-description dd { font-size: 16px; line-height: 1.75; }
.shop-ebook-description ul, .shop-ebook-description ol { padding-left: 22px; margin: 0 0 20px; list-style-position: outside; }
.shop-ebook-description ul { list-style-type: disc; }
.shop-ebook-description ol { list-style-type: decimal; }
.shop-ebook-description li { margin-bottom: 12px; color: #5f5f5f; }
.shop-ebook-questions { font-style: italic; }
.shop-ebook-contents strong { color: #252936; }
.shop-ebook-specs { display: grid; grid-template-columns: 90px minmax(0,1fr); gap: 10px 18px; margin-bottom: 24px; }
.shop-ebook-specs dt { font-weight: 700; }
.shop-ebook-specs dd { margin: 0; }
.shop-ebook summary:focus-visible, .shop-ebook button:focus-visible, .shop-topic-nav a:focus-visible { outline: 3px solid #252936; outline-offset: -3px; }
.shop-cart-feedback { color: #22613e; font-size: 14px; margin: 8px 0 14px; }
.shop-cart-feedback:empty { display: none; }
@media (max-width: 575px) {
    .shop-ebook-overview { grid-template-columns: 1fr; padding: 22px; gap: 24px; }
    .shop-ebook-cover { width: min(100%, 230px); margin: 0 auto; }
    .shop-ebook-presentation h3 { font-size: 23px; }
    .shop-ebook-details summary { padding: 18px 22px; }
    .shop-ebook-description { padding: 0 22px 24px; }
    .shop-ebook-specs { grid-template-columns: 1fr; gap: 4px; }
    .shop-ebook-specs dd { margin-bottom: 10px; }
}