@keyframes moveleft {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(-50% - 20px));
  }
}
@keyframes moveright {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(calc(50% + 20px));
  }
}
body {
  box-sizing: border-box;
}
header {
  position: fixed;
  top: 0;
  width: 100%;
  background-color: #fff;
  font-size: 0.8333vw;
  z-index: 999;
  box-shadow: 0px 4px 4px 0px rgba(167, 200, 235, 0.2);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
header .container {
  display: flex;
  align-items: center;
  min-height: 48px;
  height: 2.5vw;
}
header .container .logo img {
  min-height: 24px;
  min-width: 24px;
  width: 1.25vw;
  height: 1.25vw;
  vertical-align: middle;
}
header .container .logo span {
  color: #000;
  margin-left: 0.625vw;
  font-size: 16px;
  font-weight: bold;
}
header .container ul {
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  gap: 3vw;
  font-size: 14px;
}
header .container #download_button {
  font-size: 16px;
  width: 100px;
  height: 35px;
  border-radius: 5px;
  background-image: linear-gradient(to right, #339AFD, #497FF9);
  color: #fff;
  text-align: center;
  line-height: 35px;
  margin-left: 100px;
  cursor: pointer;
}
section.home {
  padding-top: clamp(120px, 7.8125vw, 7.8125vw);
  box-sizing: border-box;
  background: url('https://datasource.yiqiuxing.cn/AudioConversion/webPageImage/images/home_backimage.png') no-repeat top;
  background-size: contain;
  position: relative;
}
section.home::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('https://datasource.yiqiuxing.cn/AudioConversion/webPageImage/images/home_backimage2.png');
  background-size: cover;
  background-position: right 0 bottom 30px;
  background-size: 260px auto;
  background-repeat: no-repeat;
  z-index: -1;
}
section.home .home_info {
  display: flex;
  align-items: center;
  justify-content: center;
}
section.home .home_info .left {
  width: fit-content;
}
section.home .home_info .left h1 {
  height: 64px;
  font-weight: 500;
  font-size: 50px;
  line-height: 64px;
  margin-bottom: 30px;
}
section.home .home_info .left h1 span {
  color: #3A79FF;
}
section.home .home_info .left .des {
  width: 480px;
  font-size: 16px;
  color: #4A5460;
  line-height: 24px;
  margin-bottom: 30px;
}
section.home .home_info .left .des_classify {
  display: flex;
  align-items: center;
  width: 416px;
  justify-content: space-between;
  margin-bottom: 40px;
}
section.home .home_info .left .des_classify li {
  width: fit-content;
  text-align: center;
}
section.home .home_info .left .des_classify li img {
  width: 50px;
  height: 50px;
  vertical-align: middle;
  fill: #00C896;
}
section.home .home_info .left .des_classify li:nth-of-type(1) p {
  color: #23ADFF;
}
section.home .home_info .left .des_classify li:nth-of-type(2) p {
  color: #FF8E00;
}
section.home .home_info .left .des_classify li:nth-of-type(3) p {
  color: #B13BFF;
}
section.home .home_info .left .des_classify li:nth-of-type(4) p {
  color: #00AC7C;
}
section.home .home_info .left #download_button {
  width: 200px;
  height: 60px;
  background-image: linear-gradient(to right, #339AFD, #497FF9);
  box-shadow: 10px 10px 20px 10px rgba(73, 127, 249, 0.2);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  margin-bottom: 50px;
  cursor: pointer;
}
section.home .home_info .left #download_button svg {
  width: 30px;
  height: 30px;
  vertical-align: middle;
}
section.home .home_info .left #download_button span {
  vertical-align: middle;
  padding-left: 12px;
  font-size: 18px;
}
section.home .home_info .left p {
  font-weight: 400;
  font-size: 14px;
  color: #737883;
  line-height: 14px;
  margin-bottom: 10px;
}
section.home .home_info .right {
  width: 50%;
}
section.home .home_info .right img {
  width: 140%;
  margin-right: -40%;
}
section.home .function {
  padding: clamp(120px, 6vw, 6vw) 0;
}
section.home .function .function_list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px clamp(120px, 6vw, 6vw);
}
section.home .function .function_list li img {
  width: 100%;
}
section.home .function .function_list li div {
  text-align: center;
  color: #3B424A;
}
section.demand {
  background-color: #F3F6FF;
  padding: 80px 0;
}
section.demand .tabs_container {
  margin: 0 auto;
  background-color: #fff;
  width: fit-content;
  border-radius: 100vw;
  margin-top: 40px;
}
section.demand .tabs_container .tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 7px;
  position: relative;
}
section.demand .tabs_container .tabs .item {
  padding: 7px 20px;
  font-size: 14px;
  border-radius: 100vw;
  cursor: pointer;
}
section.demand .tabs_container .tabs .active {
  color: #3A79FF;
}
section.demand .tabs_container .tabs .box {
  position: absolute;
  background-color: #fff;
  background: rgba(58, 121, 255, 0.1);
  border-radius: 100vw;
  transition: left 0.3s ease;
}
section.demand .tabs_cahnge_container {
  position: relative;
  margin-top: 80px;
}
section.demand .tabs_cahnge_container .item {
  position: absolute;
  z-index: -1;
  opacity: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 70px;
  transition: opacity 1s ease;
}
section.demand .tabs_cahnge_container .item .left {
  flex: 1;
}
section.demand .tabs_cahnge_container .item .left .title {
  font-size: 38px;
  font-weight: bold;
}
section.demand .tabs_cahnge_container .item .left .des {
  margin-top: 40px;
  height: 88px;
  font-size: 16px;
  color: #79838F;
  line-height: 24px;
}
section.demand .tabs_cahnge_container .item .left #download_button {
  width: 200px;
  height: 60px;
  background: linear-gradient(to right, #339BFD 0%, #4A7FF9 100%);
  border-radius: 8px;
  line-height: 60px;
  color: white;
  cursor: pointer;
  box-shadow: 0 10px 20px 10px rgba(73, 127, 249, 0.2);
  font-size: 18px;
  text-align: center;
  margin-top: 80px;
}
section.demand .tabs_cahnge_container .item .right {
  min-width: 400px;
  width: 30vw;
}
section.demand .tabs_cahnge_container .item .right img {
  width: 100%;
}
section.demand .tabs_cahnge_container .active {
  position: static;
  opacity: 1;
}
section.step {
  padding: 80px 0;
}
section.step .tabs {
  width: fit-content;
  display: flex;
  gap: 80px;
  margin: 0 auto;
  margin-top: 70px;
}
section.step .tabs li {
  font-size: 20px;
  width: 140px;
  text-align: center;
  padding: 10px;
  cursor: pointer;
}
section.step .tabs li.active {
  background: linear-gradient(182deg, #334EFF 0%, #409AFF 100%);
  border-radius: 8px;
  text-align: center;
  color: white;
}
section.step .tabs_container {
  position: relative;
  margin-top: 70px;
}
section.step .tabs_container .item {
  position: absolute;
  display: flex;
  top: 0;
  width: 100%;
  opacity: 0;
  justify-content: space-between;
  z-index: -1;
  align-items: center;
}
section.step .tabs_container .item.active {
  position: relative;
  opacity: 1;
  z-index: 1;
}
section.step .tabs_container .item .tabs_container_list {
  flex: 1;
}
section.step .tabs_container .item .tabs_container_list li {
  width: 18.75vw;
  min-width: 360px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 20px;
  padding: 24px;
  border-radius: 15px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}
section.step .tabs_container .item .tabs_container_list li .number {
  font-size: 40px;
  color: #4A5460;
}
section.step .tabs_container .item .tabs_container_list li .text .title {
  font-size: 24px;
  line-height: 28px;
  margin-bottom: 10px;
  color: #5f6770;
}
section.step .tabs_container .item .tabs_container_list li .text .des {
  font-size: 16px;
  color: #79838F;
  min-height: 42px;
}
section.step .tabs_container .item .tabs_container_list li.active {
  background-color: rgba(58, 121, 255, 0.1);
}
section.step .tabs_container .item .tabs_container_list li.active .number {
  color: #445dff;
}
section.step .tabs_container .item .tabs_container_list li.active .text .title {
  color: #4A80FF;
}
section.step .tabs_container .item .right {
  width: 27.0833vw;
  min-width: 520px;
  position: relative;
}
section.step .tabs_container .item .right img {
  width: 100%;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  z-index: -1;
  transition: opacity 0.3s ease;
}
section.step .tabs_container .item .right img.active {
  position: relative;
  opacity: 1;
  z-index: 1;
}
section.options {
  background-color: #5B89FE;
  padding: 80px 0;
}
section.options .container ul.list {
  display: flex;
  justify-content: space-between;
  margin-top: 80px;
}
section.options .container ul.list li {
  width: 29%;
  background-color: #fff;
  padding: 30px 35px 20px;
  border-radius: 14px;
  box-sizing: border-box;
}
section.options .container ul.list li .title {
  text-align: center;
  font-weight: 700;
  font-size: 20px;
  color: #333333;
  line-height: 25px;
}
section.options .container ul.list li ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
section.options .container ul.list li ul li {
  text-align: center;
  width: 100%;
}
section.options .container ul.list li ul li img {
  width: 44px;
  height: 44px;
}
section.options .container ul.list li ul li div {
  margin-top: 10px;
  font-size: 16px;
  color: #333333;
  line-height: 20px;
}
section.comments {
  padding: clamp(120px, 6vw, 6vw) 0;
}
section.comments .comments_container {
  overflow: hidden;
  margin-top: 100px;
}
section.comments .comments_container .top_comments,
section.comments .comments_container .bottom_comments > div {
  display: flex;
  gap: 40px;
  width: fit-content;
}
section.comments .comments_container .top_comments .item,
section.comments .comments_container .bottom_comments > div .item {
  flex: 0 0 auto;
  min-width: 400px;
  width: 16vw;
  padding: 30px 20px 50px;
  background: #FFFFFF;
  box-shadow: 0px 12px 20px 0px rgba(167, 200, 235, 0.05), 0px 8px 8px 0px rgba(167, 200, 235, 0.05);
  border-radius: 12px;
  border: 1px solid #EDEFF3;
  display: flex;
  align-items: center;
  gap: 10px;
}
section.comments .comments_container .top_comments .item .avatar,
section.comments .comments_container .bottom_comments > div .item .avatar {
  flex: 0 0 auto;
  width: 70px;
  height: 70px;
  background-color: red;
  overflow: hidden;
  background-image: url('https://datasource.yiqiuxing.cn/AudioConversion/webPageImage/images/avatar.png');
  background-size: auto 100%;
  border-radius: 50%;
}
section.comments .comments_container .top_comments .item .name,
section.comments .comments_container .bottom_comments > div .item .name {
  font-family: PingFang SC, PingFang SC;
  font-size: 20px;
  color: #333333;
  line-height: 20px;
  font-weight: bold;
}
section.comments .comments_container .top_comments .item .content,
section.comments .comments_container .bottom_comments > div .item .content {
  margin-top: 10px;
  font-size: 16px;
  color: #9D9D9D;
  line-height: 22px;
}
section.comments .comments_container .top_comments {
  animation: moveleft 50s linear infinite;
}
section.comments .comments_container .bottom_comments {
  margin-top: 60px;
  display: flex;
  justify-content: flex-end;
}
section.comments .comments_container .bottom_comments > div {
  animation: moveright 50s linear infinite;
}
section.page_bottom {
  padding: clamp(100px, 6vw, 6vw) 0;
  background-image: linear-gradient(to right, #F5F6FF, #E8F3FF);
  text-align: center;
}
section.page_bottom h1 {
  font-weight: 500;
  font-size: 38px;
  color: #333333;
  font-weight: bold;
}
section.page_bottom h1 span {
  color: #3A79FF;
}
section.page_bottom .des {
  font-size: 16px;
  color: #404040;
  margin: 10px 0 40px;
}
section.page_bottom #download_button {
  width: 200px;
  height: 60px;
  background: linear-gradient(to right, #339BFD 0%, #4A7FF9 100%);
  border-radius: 8px;
  margin: 0 auto;
  line-height: 60px;
  color: white;
  cursor: pointer;
  box-shadow: 0 10px 20px 10px rgba(73, 127, 249, 0.2);
}
footer {
  background-color: #EEF2F6;
  color: #585E80;
  padding: 20px 0;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}
footer a {
  color: inherit;
}