@font-face {
  font-family: "Douyin Sans";
  src: url(./DouyinSansBold.otf) format("opentype");
}
.top-box {
  position: absolute;
  width: 100%;
  height: 70px;
}
.top-box .header-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 1200px;
  height: 70px;
  margin: 0 auto;
}
.top-box .header-box .header-left {
  display: flex;
  align-items: center;
  gap: 16px;
  color: #0E0E0E;
  font-family: "Microsoft YaHei UI";
  font-size: 16px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
}
.top-box .header-box .header-right {
  display: flex;
  align-items: center;
  gap: 49px;
}
.top-box .header-box .header-right > a {
  color: #3D3D3D;
  font-family: "Microsoft YaHei UI";
  font-size: 18px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}
.top-box .header-box img {
  height: 35px;
  width: auto;
}
.top-box .hidden-header-box {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  justify-content: space-between;
  width: 100%;
  height: 70px;
  margin: 0 auto;
  background-color: #fff;
  z-index: 999;
}
.top-box .hidden-header-box .hidden-header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-width: 1200px;
  margin: 0 auto;
}
.top-box .hidden-header-box .hidden-header-content .header-left {
  display: flex;
  align-items: center;
  gap: 16px;
  color: #0E0E0E;
  font-family: "Microsoft YaHei UI";
  font-size: 16px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
}
.top-box .hidden-header-box .hidden-header-content .header-right {
  display: flex;
  align-items: center;
  gap: 49px;
}
.top-box .hidden-header-box .hidden-header-content .header-right > a {
  color: #3D3D3D;
  font-family: "Microsoft YaHei UI";
  font-size: 18px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}
.top-box .hidden-header-box img {
  height: 35px;
  width: auto;
}
.banner-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 170px;
  background: url('../images/deepseek/banner-bg-tiny.png') no-repeat top center, #E7F1FF;
}
.banner-box .banner-title {
  position: relative;
  display: flex;
  gap: 10px;
}
.banner-box .banner-title img {
  height: 77px;
  width: auto;
}
.banner-box .banner-title h1 {
  color: #222;
  text-align: center;
  font-family: "Douyin Sans";
  font-size: 78px;
  font-style: normal;
  font-weight: 500;
  line-height: 72px;
  letter-spacing: 7.8px;
}
.banner-box .banner-title span {
  position: absolute;
  right: -63px;
  top: -50px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 127.5px;
  height: 39px;
  border-radius: 12px 12px 12px 0;
  background: linear-gradient(0deg, #217EFF 0%, #217EFF 100%), linear-gradient(91deg, #31B0FF 0.89%, #7442FF 121.04%);
  color: #FFF;
  font-family: "Microsoft YaHei UI";
  font-size: 16px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}
.banner-box h2 {
  margin-top: 34px;
  color: #333;
  text-align: center;
  font-family: "Douyin Sans";
  font-size: 24px;
  font-style: normal;
  font-weight: 500;
  line-height: normal;
}
.banner-box ul {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 80px;
  padding: 15px 32px;
  margin-top: 45px;
  border-radius: 16px;
  flex-wrap: wrap;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0) 2.4%, rgba(255, 255, 255, 0.5) 50%, rgba(255, 255, 255, 0) 100%);
}
.banner-box ul li {
  display: flex;
  flex-direction: column;
  align-items: center;
  border-radius: 20px;
  width: 126px;
}
.banner-box ul li img {
  width: 46px;
  height: 46px;
}
.banner-box ul li p {
  color: #666;
  font-family: "Alibaba PuHuiTi";
  font-size: 18px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}
.banner-box > img {
  width: 75%;
  max-width: 1200px;
}
.banner-box .download-btn {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  box-sizing: border-box;
  padding: 24px 128px 24px 126px;
  margin-top: 75px;
  border-radius: 16px;
  background: #5B76FE;
}

@media (max-width: 640px) {
  .banner-box .download-btn {
    padding: 24px 64px 24px 64px;
  }
}

.banner-box .download-btn:hover {
  border-radius: 16px;
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.1) 100%), #5B76FE;
}
.banner-box .download-btn:active {
  border-radius: 16px;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.1) 100%), #5B76FE;
}
.banner-box .download-btn span {
  color: #FFF;
  font-family: "Microsoft YaHei UI";
  font-size: 28px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}
.banner-box .download-btn img {
  width: 32px;
  height: 32px;
}
@media (max-width: 760px) {
  .func-box .func-item .func-content-box{
    flex-direction: column;
    align-items: center;
    gap: 40px;
  }
  .func-box .func-item .func-content{
    height: auto!important;
    width: 90%!important;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }
  .bottom-box p{
    width: 90%!important;
  }
}
.func-box .func-item {
  width: 100%;
}
.func-box .func-item .func-content-box {
  display: flex;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 130px 0;
}
.func-box .func-item .func-content-box > img {
  height: 460px;
  width: auto;
}
.func-box .func-item .func-content {
  width: 40%;
  height: 258px;
  padding-top: 75px;
}
.func-box .func-item .func-content h2 {
  color: #000;
  font-family: "Microsoft YaHei UI";
  font-size: 38px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  letter-spacing: 5px;
}
.func-box .func-item .func-content h2 span {
  color: #5B76FE;
  font-family: "Microsoft YaHei UI";
  font-size: 38px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  letter-spacing: 5px;
}
.func-box .func-item .func-content p {
  width: 95%;
  margin-top: 12px;
  color: #666;
  font-family: "Microsoft YaHei UI";
  font-size: 18px;
  font-style: normal;
  font-weight: 400;
  line-height: 30px;
}
.func-box .func-item .func-content .download-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 14px;
  width: 233px;
  height: 68px;
  margin-top: 86px;
  border-radius: 16px;
  background: #5B76FE;
}
.func-box .func-item .func-content .download-btn .an{
  width: 260px;
  height: 260px;
  top: -98px;
}
.func-box .func-item .func-content .download-btn img {
  width: 29px;
  height: 29px;
}
.func-box .func-item .func-content .download-btn span {
  color: #FFF;
  font-family: "Microsoft YaHei UI";
  font-size: 22px;
  font-style: normal;
  font-weight: 400;
  line-height: normal;
}
.func-box .func-item .func-content .download-btn:hover {
  border-radius: 16px;
  background: linear-gradient(0deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.1) 100%), #5B76FE;
}
.func-box .func-item .func-content .download-btn:active {
  border-radius: 16px;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.1) 100%), #5B76FE;
}
.func-box .func-item:nth-of-type(2) {
  background: url('../images/deepseek/intro-bg1-tiny.png') no-repeat center;
  background-size: cover;
}
.func-box .func-item:nth-of-type(4) {
  background: url('../images/deepseek/intro-bg2-tiny.png') no-repeat center;
  background-size: cover;
}
.an {
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .2);
  position: absolute;
  top: -210px;
  animation: spread 1.5s infinite both;
  -webkit-animation: spread 1.5s infinite both;
  -moz-animation: spread 1.5s infinite both;
  -o-animation: spread 1.5s infinite both;
}
.download-btn {
  position: relative;
  overflow: hidden;
}
@media (max-width: 1100px) {
  .func-box .func-item .func-content-box {
    /* flex-direction: column; */
  }
  .func-box .func-item .func-content-box > img {
    height: auto;
    width: 56%;
  }
}
.bottom-box p {
  width: 1200px;
  margin: 24px auto;
  color: #999;
  text-align: center;
  font-family: "Microsoft YaHei";
  font-size: 12px;
  font-style: normal;
  font-weight: 400;
  line-height: 24px;
}
@keyframes spread {
  0% {
      transform: scale(0);
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0);
  }
  100% {
      transform: scale(1);
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1);
  }
}

@-webkit-keyframes spread {
  0% {
      transform: scale(0);
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0);
  }
  100% {
      transform: scale(1);
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1);
  }
}

@-moz-keyframes spread {
  0% {
      transform: scale(0);
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0);
  }
  100% {
      transform: scale(1);
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1);
  }
}

@-o-keyframes spread {
  0% {
      transform: scale(0);
      -webkit-transform: scale(0);
      -moz-transform: scale(0);
      transform: scale(0);
  }
  100% {
      transform: scale(1);
      -webkit-transform: scale(1);
      -moz-transform: scale(1);
      transform: scale(1);
  }
}