.sll-estudios{max-width:980px;margin:32px auto;background:#fff;color:#17363d;font:16px/1.5 Arial,sans-serif}.sll-estudios header{text-align:center;padding:12px 10px 25px}.sll-estudios h2{font:normal 42px/1.1 Georgia,serif;margin:0 0 12px}.sll-estudios header p{color:#587078}.sll-tabs{display:flex;border-bottom:1px solid #d8e2e4;gap:8px;margin-bottom:18px}.sll-tabs button{background:#fff;color:#17626a;border:0;border-bottom:3px solid transparent;padding:13px 20px;font:600 16px Arial;cursor:pointer}.sll-tabs button[aria-selected=true]{border-color:#087e84;color:#063d45}.sll-book-grid{display:grid;gap:9px}.sll-book{border:1px solid #d1dee1;border-radius:8px;overflow:hidden;background:#fff}.sll-book-toggle{width:100%;display:flex;justify-content:space-between;padding:18px 20px;background:#fff;border:0;color:#17363d;font:600 19px Arial;text-align:left;cursor:pointer}.sll-book-toggle:hover{background:#f4f8f8}.sll-book-toggle span:last-child{color:#087e84;font-size:25px;line-height:18px}.sll-book-detail{display:none;border-top:1px solid #e2eaeb;padding:20px}.sll-book.open .sll-book-detail{display:block}.sll-book-content{display:flex;gap:22px}.sll-book-content img{width:140px;height:190px;object-fit:cover;border-radius:4px;background:#f0f3f3}.sll-book-content h3{font:normal 27px/1.2 Georgia,serif;margin:0 0 10px}.sll-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.sll-links a{display:inline-block;border:1px solid #087e84;border-radius:6px;padding:10px 13px;color:#075c65;text-decoration:none;font-weight:600}.sll-links a:hover{background:#087e84;color:#fff}@media(max-width:600px){.sll-estudios{margin:20px auto}.sll-estudios h2{font-size:34px}.sll-tabs button{flex:1;padding:12px 7px;font-size:14px}.sll-book-content{display:block}.sll-book-content img{width:110px;height:150px;margin-bottom:15px}.sll-book-content h3{font-size:24px}}