/* 搜索框样式 */
.search-box {
  margin: 30px auto;
  max-width: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-box form {
  display: flex;
  width: 100%;
  max-width: 600px;
}

.search-box .search-input {
  flex: 1;
  padding: 10px;
  border-radius: 4px 0 0 4px;
  border-right: none;
}

.search-box .search-btn {
  padding: 0 20px;
  border-radius: 0 4px 4px 0;
}