.instructions {
  background-image: url(/img/instructions.png);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center top;
  height: 48vw;
  padding-top: 16vw;
}

.instructions .en-title {
  font-family: Microsoft YaHei;
  font-weight: bold;
  font-size: 9.3333vw;
  color: #ffffff;
  text-align: center;
}

.instructions .cn-title {
  margin-top: 4vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 4.2667vw;
  color: #ffffff;
  text-align: center;
}

.instructions .en-title:hover,
.instructions .cn-title:hover {
  filter: drop-shadow(0 0 5px #fff);
}

.ppf {
  padding: 16vw 8vw;
  background: #020201;
}

.ppf .en-title {
  font-family: Microsoft YaHei;
  font-weight: bold;
  font-size: 6.4vw;
  color: #3271e2;
}

.ppf .cn-title {
  margin-top: 4vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 6.4vw;
  color: #3271e2;
}

.ppf .desc {
  margin-top: 8vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 3.4667vw;
  color: #f4f6f5;
  line-height: 6.4vw;
  text-align: justify;
}

.ppf .desc > p {
  margin: 0;
}

.ppf-img {
  width: 100%;
  height: auto;
}

.wf {
  padding: 16vw 8vw;
  background: #020201;
}

.wf .en-title {
  font-family: Microsoft YaHei;
  font-weight: bold;
  font-size: 6.4vw;
  color: #3271e2;
  text-align: right;
}

.wf .cn-title {
  margin-top: 4vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 6.4vw;
  color: #3271e2;
  text-align: right;
}

.wf .desc {
  margin-top: 8vw;
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 3.4667vw;
  color: #f4f6f5;
  line-height: 6.4vw;
  text-align: justify;
}

.wf .desc > p {
  margin: 0;
}

.wf-img {
  width: 100%;
  height: auto;
}