.bk-title .title {
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 4px;
  padding-top: 10px;
  text-align: center;
}
.bk-btn {
  width: 100%;
  margin-top: 10px;
}
.bk-btn-box {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin-top: 10px;
  flex-wrap: wrap;
}

.bk-btn .bk-btn-paynow {
  width: 100%;
  line-height: 2.2rem;
}

.bk-btn .bk-btn-installment,
.bk-btn .bk-btn-paynow {
  width: 100%;
  line-height: 2.2rem;
  margin-right: 0;
}

.bk-btn .bk-btn-installment-amigo {
  width: 100%;
  line-height: 2.2rem;
  margin-right: 0px;
}
.bk-promotion {
  max-width: 100%;
}