@font-face {  font-family: 'iconfont';  /* Project id 4721364 */  src: url('//at.alicdn.com/t/c/font_4721364_b7segp3spsm.woff2?t=1729689843479') format('woff2'),       url('//at.alicdn.com/t/c/font_4721364_b7segp3spsm.woff?t=1729689843479') format('woff'),       url('//at.alicdn.com/t/c/font_4721364_b7segp3spsm.ttf?t=1729689843479') format('truetype');}body {  padding: 0;  margin: 0;  display: flex;  flex-direction: column;  height: 100vh;  overflow: hidden;}.allType {  display: flex;  flex-wrap: wrap;  padding: 4px;}.allType .typeItem {  padding: 2px 4px;  color: black;  text-decoration: none;}.allType .typeItem:hover {  background: #3e7dbe;  color: white;  font-size: 18px;  font-weight: bold;  border-radius: 2px;}.subtitle {  font-size: 24px;  padding: 8px;  color: #525252;}.bookContent {  background: #f6f7f9;  padding: 30px;  overflow: auto;  flex-grow: 1;}.bookList {  display: flex;  flex-wrap: wrap;  width: 1104px;  margin: 0 auto;  align-items: center;  gap: 26px;}#end {  width: 100vw;  margin: 8px auto;  text-align: center;  color: #999;}