.filebutton {
  position: relative;
  display: inline-block;
  overflow: hidden;
  cursor: pointer;
}

.filebutton input {
  display: none;
}

.filebutton span {
  display: inline-block;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid #dcdfe6;
  color: #606266;
  -webkit-appearance: none;
  text-align: center;
  box-sizing: border-box;
  outline: none;
  margin: 0;
  transition: .1s;
  font-weight: 500;
  color: #fff;
  background-color: #409eff;
  border-color: #409eff;
  padding: 9px 15px;
  font-size: 12px;
  border-radius: 3px;
}

.filebutton span:hover {
  background: #66b1ff;
  border-color: #66b1ff;
  color: #fff;
}

.steplayer {
  width: 100%;
  height: 2px;
  background-color: #e4e7ed;
  z-index: 1;
  position: relative;
}

.steplayer span {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background-color: #409eff;
  z-index: 1;
  transition: width .3s cubic-bezier(.645, .045, .355, 1);
  list-style: none;
}

.filelayer {
  margin-bottom: 8px;
}

.fileitem {
  display: flex;
  margin-bottom: 5px;
}

.fileitem span:first-child {
  flex: 1;
}

.fileitem span {
  color: #606266;
  display: block;
  overflow: hidden;
  padding-left: 4px;
  text-overflow: ellipsis;
  transition: color .3s;
  white-space: nowrap;
  font-size: 12px;
}

.err {
  color: #F56C6C !important
}

.success {
  color: #67C23A !important
}