body {
  overflow: hidden;
}
.banner {
  background: linear-gradient(180deg, #f3f8ff 0%, #e0ebff 100%);
  padding: 60px 0;
}
.banner .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.banner .banner-title {
  font-weight: bold;
  font-size: 56px;
  line-height: 1.2;
}
.banner .banner-title_highlight {
  color: #34b251;
}
.banner .banner-desc {
  font-size: 18px;
  line-height: 2;
  color: #424242;
  margin: 10px 0 30px;
}
.banner .banner-info {
  display: flex;
  align-items: center;
}
.banner .info-btn {
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 210px;
  height: 70px;
  border-radius: 5px;
  font-size: 20px;
  transition: transform 0.3s;
  margin-right: 15px;
}
.banner .info-btn .iconfont {
  font-size: 24px;
  margin-right: 5px;
}
.banner .info-btn.download {
  background: #34b251;
  color: #fff;
}
.banner .info-btn.store {
  border: 1px solid #000;
  color: #000;
}
.banner .info-btn:hover {
  transform: translateY(-10px);
}
.banner .info-tip {
  display: flex;
  align-items: center;
  font-weight: bold;
  font-size: 18px;
  color: #3bb757;
}
.banner .info-tip .iconfont {
  font-size: 22px;
  margin-right: 4px;
}
.banner .banner-tips {
  margin-top: 20px;
}
.banner .tips-text {
  font-size: 16px;
  margin-bottom: 10px;
}
.banner .tips-device {
  display: flex;
  align-items: center;
}
.banner .tips-device .iconfont {
  font-weight: bold;
  font-size: 22px;
  color: #000;
  margin-right: 10px;
}
.banner .tips-device_link {
  color: #34b251;
  transition: color 0.3s;
}
.banner .tips-device_link:hover {
  color: #000;
}
.wrap-1 {
  margin: 120px 0 100px;
}
.wrap-1 .wrap-title {
  font-weight: bold;
  font-size: 36px;
  line-height: 1.5;
  text-align: center;
  color: #000;
  margin-bottom: 50px;
}
.wrap-1 .wrap-desc {
  font-size: 18px;
  line-height: 1.8;
  text-align: center;
  color: #3e3e3e;
  margin-bottom: 40px;
}
.wrap-1 .wrap-desc_link {
  color: #337ab7;
  transition: color 0.3s;
}
.wrap-1 .wrap-desc_link:hover {
  color: #3e3e3e;
}
.wrap-1 .wrap-img {
  display: block;
  margin: 0 auto;
}
.wrap-2 {
  margin-top: 120px;
}
.wrap-2 .wrap-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: 100px;
}
.wrap-2 .item-info {
  width: 48%;
}
.wrap-2 .item-title {
  font-weight: bold;
  font-size: 30px;
  line-height: 1.5;
  color: #000;
  margin-top: 30px;
}
.wrap-2 .item-desc {
  font-weight: normal;
  font-size: 16px;
  line-height: 2;
  color: #666;
  margin-top: 20px;
}
.wrap-2 .item-img-box {
  width: 48%;
}
.wrap-2 .item-img-box .item-img {
  max-width: 100%;
  height: auto;
}
.wrap-3 {
  background: url(../../img/vh-app-for-youtube/wrap3-bg.png) no-repeat center;
  padding-bottom: 100px;
  margin-bottom: -10px;
}
.wrap-3 .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.wrap-3 .wrap-left {
  width: 50%;
}
.wrap-3 .wrap-title {
  font-weight: bold;
  font-size: 30px;
  margin-bottom: 30px;
}
.wrap-3 .wrap-step {
  margin-bottom: 20px;
}
.wrap-3 .wrap-step_title {
  font-weight: bold;
  font-size: 24px;
}
.wrap-3 .wrap-step_desc {
  font-size: 14px;
  line-height: 2;
  margin-top: 10px;
}
.wrap-3 .wrap-info {
  display: flex;
  align-items: center;
  margin-top: 30px;
}
.wrap-3 .info-btn {
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 210px;
  height: 70px;
  border-radius: 5px;
  font-size: 20px;
  transition: transform 0.3s;
  margin-right: 25px;
  background: #34b251;
  color: #fff;
}
.wrap-3 .info-btn .iconfont {
  font-size: 24px;
  margin-right: 5px;
}
.wrap-3 .info-btn:hover {
  transform: translateY(-10px);
}
.wrap-3 .info-link {
  font-weight: bold;
  font-size: 16px;
  color: #34b251;
  transition: color 0.3s;
}
.wrap-3 .info-link:hover {
  color: #000;
}
.wrap-3 .wrap-right {
  width: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.wrap-4 {
  background: #eff4ff;
  padding: 60px 0;
}
.wrap-4 .container {
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.wrap-4 .wrap-right {
  width: 550px;
}
.wrap-4 .wrap-right_title {
  max-width: 450px;
  font-weight: bold;
  font-size: 30px;
  line-height: 1.5;
  margin-bottom: 20px;
}
.wrap-4 .wrap-right_desc {
  font-weight: bold;
  font-size: 48px;
  color: #3b7fff;
}
.pop-up {
  position: fixed;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100vw;
  height: 100vh;
  background: rgba(34, 34, 34, 0.77);
  display: none;
  z-index: 9999;
}
.pop-up.active {
  display: flex;
}
.pop-up-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 500px;
}
.pop-up_content {
  width: 500px;
  height: 543px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
}
.pop-up_content.en {
  background: url(../../img/vh-app-for-youtube/pop-up-en.png) no-repeat;
  background-size: 100% 100%;
}
.pop-up_content.tw {
  background: url(../../img/vh-app-for-youtube/pop-up-tw.png) no-repeat;
  background-size: 100% 100%;
}
.pop-up .content-text_top {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.pop-up .content-text_top.en .content_text {
  font-weight: bold;
  font-size: 28px;
  line-height: 1.3;
  color: #1d66ef;
}
.pop-up .content-text_top.en .content_text.text-big {
  font-size: 36px;
}
.pop-up .content-text_top.tw .content_text {
  font-weight: bold;
  font-size: 32px;
  line-height: 1.5;
  color: #1d66ef;
}
.pop-up .content-text_top.tw .content_text.text-big {
  font-size: 30px;
}
.pop-up .content-text_bottom.en {
  font-weight: bold;
  font-size: 20px;
  line-height: 1.6;
  color: #1d66ef;
  text-align: center;
  padding: 0 60px 0 80px;
  margin-top: 28px;
}
.pop-up .content-text_bottom.tw {
  font-size: 24px;
  line-height: 1.5;
  color: #737373;
  text-align: center;
  padding: 0 70px 0 90px;
  margin-top: 24px;
}
.pop-up .content-btn {
  width: 261px;
  height: 97px;
  background: url(../../img/vh-app-for-youtube/btn-ok.svg) no-repeat;
  background-size: 100% 100%;
  outline: none;
  border: none;
  cursor: pointer;
  margin-top: 46px;
}
.pop-up_close {
  width: 49px;
  height: 49px;
  background: url(../../img/vh-app-for-youtube/icon-close.svg) no-repeat;
  background-size: 100% 100%;
  margin-top: 45px;
  cursor: pointer;
}
@media (max-width: 770px) {
  .banner {
    padding: 60rem 0;
  }
  .banner .container {
    flex-direction: column;
  }
  .banner .banner-left {
    width: 100%;
    margin-bottom: 50rem;
  }
  .banner .banner-title {
    font-size: 34rem;
    line-height: 1.5;
    text-align: center;
  }
  .banner .banner-desc {
    font-size: 16rem;
    text-align: center;
    margin: 10rem 0 30rem;
  }
  .banner .banner-info {
    flex-flow: row wrap;
  }
  .banner .info-btn {
    width: 148rem;
    height: 50rem;
    border-radius: 5rem;
    font-size: 16rem;
    margin-right: 10rem;
  }
  .banner .info-btn .iconfont {
    font-size: 20rem;
    margin-right: 2rem;
  }
  .banner .info-btn.store {
    border: 1rem solid #000;
  }
  .banner .info-btn:hover {
    transform: translateY(0);
  }
  .banner .info-tip {
    font-size: 18rem;
    margin-top: 20rem;
  }
  .banner .info-tip .iconfont {
    font-size: 22rem;
    margin-right: 10rem;
  }
  .banner .banner-tips {
    margin-top: 20rem;
  }
  .banner .tips-text {
    font-size: 16rem;
    margin-bottom: 15rem;
  }
  .banner .tips-device .iconfont {
    font-size: 22rem;
    margin-right: 10rem;
  }
  .banner .tips-device_link {
    font-size: 16rem;
  }
  .banner .banner-img {
    max-width: 100%;
    height: auto;
  }
  .wrap-1 {
    margin: 80rem 0 40rem;
  }
  .wrap-1 .wrap-title {
    font-size: 26rem;
    margin-bottom: 15rem;
  }
  .wrap-1 .wrap-desc {
    font-size: 16rem;
    margin-bottom: 30rem;
  }
  .wrap-1 .wrap-img {
    display: block;
    width: 100%;
    height: auto;
    margin: 0 auto;
  }
  .wrap-2 {
    margin-top: 100rem;
  }
  .wrap-2 .wrap-item {
    flex-direction: column;
    margin-bottom: 80rem;
  }
  .wrap-2 .item-info {
    width: 100%;
    order: 1;
    margin-bottom: 30rem;
  }
  .wrap-2 .item-icon {
    width: 50rem;
    height: 50rem;
  }
  .wrap-2 .item-title {
    font-size: 24rem;
    margin-top: 30rem;
  }
  .wrap-2 .item-desc {
    font-size: 16rem;
    margin-top: 20rem;
  }
  .wrap-2 .item-img-box {
    width: 100%;
    order: 2;
  }
  .wrap-3 {
    background: url(../../img/vh-app-for-youtube/wrap3-bg-mb.png) no-repeat center bottom;
    background-size: cover;
    padding-bottom: 50rem;
    margin-bottom: -10rem;
  }
  .wrap-3 .container {
    flex-direction: column;
  }
  .wrap-3 .wrap-left {
    width: 100%;
  }
  .wrap-3 .wrap-title {
    font-size: 24rem;
    line-height: 1.5;
    margin-bottom: 30rem;
  }
  .wrap-3 .wrap-step {
    margin-bottom: 20rem;
  }
  .wrap-3 .wrap-step_title {
    font-size: 22rem;
  }
  .wrap-3 .wrap-step_desc {
    font-size: 14rem;
    margin-top: 10rem;
  }
  .wrap-3 .wrap-info {
    flex-direction: column;
    align-items: flex-start;
    margin-top: 30rem;
  }
  .wrap-3 .info-btn {
    width: 148rem;
    height: 50rem;
    border-radius: 5rem;
    font-size: 16rem;
    margin-right: 0;
    margin-bottom: 20rem;
  }
  .wrap-3 .info-btn .iconfont {
    font-size: 20rem;
    margin-right: 2rem;
  }
  .wrap-3 .info-btn:hover {
    transform: translateY(0);
  }
  .wrap-3 .info-link {
    font-size: 16rem;
  }
  .wrap-3 .wrap-right {
    width: 100%;
    margin-top: 50rem;
  }
  .wrap-4 {
    padding: 60rem 0;
  }
  .wrap-4 .container {
    flex-direction: column-reverse;
  }
  .wrap-4 .wrap-right {
    width: 100%;
    margin-bottom: 50rem;
  }
  .wrap-4 .wrap-right_title {
    max-width: 100%;
    font-size: 20rem;
    margin-bottom: 5rem;
    text-align: center;
  }
  .wrap-4 .wrap-right_desc {
    font-size: 32rem;
    text-align: center;
  }
  .pop-up-container {
    width: 345rem;
  }
  .pop-up_content {
    width: 360rem;
    height: 380rem;
    padding-bottom: 10rem;
  }
  .pop-up .content-text_top.en .content_text {
    font-size: 24rem;
    line-height: 1.5;
  }
  .pop-up .content-text_top.en .content_text.text-big {
    font-size: 28rem;
  }
  .pop-up .content-text_top.tw .content_text {
    font-size: 24rem;
    line-height: 1.5;
  }
  .pop-up .content-text_top.tw .content_text.text-big {
    font-size: 24rem;
  }
  .pop-up .content-text_bottom.en {
    font-size: 15rem;
    line-height: 1.5;
    padding: 0 50rem 0 60rem;
    margin-top: 22rem;
  }
  .pop-up .content-text_bottom.tw {
    font-size: 16rem;
    text-align: center;
    padding: 0 50rem 0 60rem;
    margin: 30rem 0 10rem;
  }
  .pop-up .content-btn {
    display: block;
    width: 200rem;
    height: 50rem;
    margin-top: 20rem;
  }
  .pop-up_close {
    width: 30rem;
    height: 30rem;
    margin-top: 25rem;
  }
}