.boox {
  width: 190px; 
  height: 238px;
  border: 2px solid transparent; 
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
  font-size: 30px;
  margin: 12.5px;
}
.boox:hover {
  border-color: #ff6200;
}
.boox-image {
  width: 185px;
  height: auto;
  max-height: 190px;
  border-radius: 5px;
  cursor: pointer;
  transition: border-radius 0.3s ease;
  border-radius: 10%;
}

.cer {
  display: flex;
  flex-wrap: wrap;
  flex-direction: row;
  align-items: center; /* 垂直居中 */
  justify-content: center; /* 水平居中 */
}

#adaohang {
 width: 90%;
  height: 50px;
  margin: 10px auto 20px; 
  font-size: 2em;
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #8AB9EB), color-stop(40%, #5C9DDC), color-stop(100%, #2374C5));
  background: -moz-linear-gradient(top, #8AB9EB, #5C9DDC, #2374C5);
  background: linear-gradient(to bottom, #8AB9EB, #5C9DDC, #2374C5);
  border-radius: 5px;
  text-align: center;
  line-height: 45px;
  padding: 0;
  box-shadow: 0 5px 20px #888;
  -webkit-box-shadow: 0 5px 20px #888;
  -moz-box-shadow: 0 5px 20px #888;
}

#adaohang a {
  color: #fff;
  text-decoration: none;
  text-shadow: 1px 1px 1px #000;
  padding: 6px 12px;
  border-radius: 5px;
  margin-right: 15px;
  -webkit-transition: color 0.5s, background 0.5s;
  -moz-transition: color 0.5s, background 0.5s;
  transition: color 0.5s, background 0.5s;
}

#adaohang a:last-child {
  margin-right: 0;
}

#adaohang a:hover {
  background: #FFC;
  color: #333;
}