.pop-mask {
  display: none;
  position: fixed;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: 2023;
}

.pop {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100vw;
  background-color: #fff;
  z-index: 2024;
  padding: 3vw;
  visibility: hidden;
  transform: translateY(100%);
  transition: all 0.5s ease 0s;
}

.pop .font-bold {
  font-weight: 700;
}

.pop header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.pop header .logo {
  margin-right: 2vw;
  width: 120px;
  height: 120px;
}

.pop header h2 {
  font-size: 1.6rem;
  font-weight: 700;
}

.pop .progress {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 2vh 0;
}

.pop .progress-wrapper {
  width: 100%;
  height: 0.6rem;
  /* background-color: rgb(168, 168, 168); */
  background-image: url(../images/progress.png);
  background-size: 100% 0.6rem;
  border-radius: 0.25rem;
  margin-bottom: 0.4rem;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 0 1px;
}

.pop .progress-wrapper .progress-bar {
  width: 10%;
  height: 0.4rem;
  background-color: rgb(74, 176, 151);
  border-radius: 0.25rem;
  transition: width 0.5s ease 0s;
}

.pop .progress.error .progress-wrapper .progress-bar {
  background-color: rgb(255, 0, 0);
}

.pop .progress.error .progress-text {
  color: rgb(255, 0, 0);
}

.pop .progress-text {
  font-weight: bold;
}

.pop main .download-explain {
  padding-left: 6vw;
}

.pop main .download-explain {
  counter-reset: item;
}

.pop main .download-explain>li {
  position: relative;
  margin-bottom: 2vh;
}

.pop main .download-explain>li::before {
  content: counter(item) " ";
  counter-increment: item;
  position: absolute;
  font-size: 12px;
  top: 0.3rem;
  left: -1.5rem;
  width: 0.8rem;
  height: 0.8rem;
  line-height: 0.8rem;
  text-align: center;
  border-radius: 50%;
  border: 1px solid;
}

.pop main .browser-desc {
  display: flex;
  justify-content: space-between;
}

.pop main .browser-desc img {
  width: 80px;
  height: 80px;
}

.pop main .problems .title {
  margin-bottom: 2vh;
}

.pop main .problems .title img {
  margin-right: 2vw;
}

.pop main .problems img {
  width: 20px;
  display: inline-block;
}

.pop main .problems .steps {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.pop main .problems .steps li {
  display: flex;
  align-items: center;
}

.pop main .problems .steps li img {
  margin-right: 1.5vw;
}

.pop main .problems .steps li:nth-child(3) img {
  width: 16px;
}