.cut_tab {
  width: 100%;
  padding: 4.5333vw 3.2vw;
  display: flex;
  justify-content: space-between;
}
.cut_tab span {
  padding: 1.7333vw 2.8vw;
  font-size: 3.4667vw;
  color: #4a4a4a;
  background: #eeeeee;
  border-radius: 0.8vw;
}
.cut_tab span.active {
  color: #ffffff;
  background: #70b2f9;
}
.content {
  padding: 0 3.2vw 5.3333vw 3.2vw;
  display: none;
}
.content .title {
  width: 100%;
  text-align: center;
  font-size: 4.2667vw;
  font-weight: bold;
  color: #181818;
}
.content .v_text {
  text-align: center;
  margin-top: 2vw;
  font-size: 3.4667vw;
  text-decoration: underline;
}
.content .subtitle {
  font-size: 3.4667vw;
  color: #ed3232;
  margin-top: 2.6667vw;
  padding: 0 2.6667vw;
  text-align: justify;
  line-height: 5.6vw;
}
.content .step {
  width: 100%;
  display: flex;
  margin-top: 5.8667vw;
}
.content .step .text {
  display: flex;
  justify-content: center;
  align-items: center;
  min-width: 14.6667vw;
  height: 5.3333vw;
  font-size: 3.2vw;
  font-weight: bold;
  color: #ffffff;
  margin-right: 1.6vw;
  background: url(/m8300/images/step.png) no-repeat left center / 100% 100%;
}
.content .step .desc {
  flex: 1;
  font-size: 3.7333vw;
  color: #181818;
  line-height: 5.3333vw;
  word-break: break-all;
}
.content .step .desc .red {
  color: #e13737;
}
.content .col2 {
  display: flex;
  flex-wrap: wrap;
  margin-top: 2.6667vw;
}
.content .col2 img {
  width: 48%;
  display: block;
  margin: 0.8vw;
}
.content .col1 {
  margin-top: 2.6667vw;
}
.content .col1 img {
  display: block;
  max-width: 100%;
  margin: 0.8vw;
}
.content.show {
  display: block;
}
.img_pop {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 1000;
  top: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.8);
  display: none;
}
.img_pop .big_img {
  position: absolute;
  max-width: 100%;
  max-height: 95%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.dnsvideo_pop {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 1000;
  top: 0;
  left: 0;
  display: none;
  background: rgba(0, 0, 0, 0.8);
  justify-content: center;
  align-items: center;
}
.dnsvideo_pop video {
  max-width: 80%;
  max-height: 100vh;
}