* {
  margin: 0;
  padding: 0;
}

a {
  text-decoration: none;
}

img {
  display: block;
}

html {
  scroll-behavior: smooth;
}

.page {
  background: linear-gradient(rgb(247, 248, 252) 100%);
  min-height: 100vh;
}

.page-bg {
  background-image: url(https://pub.kyhwl.cn/qianwen/images/qianwen_bg.png);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  pointer-events: none;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 0;
  width: 100vw;
  height: 100vw;
}

.nav {
  position: fixed;
  z-index: 99;
  display: -webkit-flex;
  display: flex;
  width: 100%;
  top: 56px;
  left: 0;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
}
.nav .nav-inner {
  height: 70px;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  padding-left: 28px;
  padding-right: 12px;
  border-radius: 35px;
  background: rgba(240, 242, 244, 0.2);
  border: 1px solid #fff;
  -webkit-backdrop-filter: blur(155.2px);
  backdrop-filter: blur(155.2px);
  box-shadow: 0 20px 16px 0.8px rgba(0, 0, 0, 0.08);
}
.nav .logo {
  margin-right: -12px;
  width: 70px;
  height: 24px;
}
.nav .nav-item {
  font-family: PingFangSC-Regular;
  font-size: 16px;
  margin-left: 42px;
  cursor: pointer;
  white-space: nowrap;
  font-weight: 600;
  color: rgba(61, 61, 61, 0.5);
}
.nav .nav-item:hover, .nav .nav-item.active {
  color: #43f;
}
.nav .nav-download-btn {
  margin-left: 46px;
  position: relative;
  cursor: pointer;
  width: 104px;
  height: 49px;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  background: #fffefe;
  border-radius: 24.5px;
  box-shadow: 0 8px 8px 0 rgba(0, 0, 0, 0.1);
  font-family: PingFang SC;
  font-size: 16px;
  font-weight: 600;
  line-height: 28.8px;
  letter-spacing: normal;
  color: #113;
}
.nav .nav-download-btn:hover {
  background: #43f;
  color: #fff;
}

.container {
  position: relative;
  z-index: 1;
  padding-top: 175px;
}
.container .hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.container .hero .title {
  height: 56px;
  margin-bottom: 24px;
}
.container .hero .download-btn {
  position: relative;
  width: 188px;
  height: 52px;
}
.container .hero .download-btn:hover .download-btn-active {
  opacity: 1;
}
.container .hero .download-btn:hover .download-btn-normal {
  opacity: 0;
}
.container .hero .download-btn img {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  transition: 0.3s ease-in-out;
}
.container .hero .download-btn .download-btn-active {
  opacity: 0;
}
.container .hero .thumbnail {
  width: 840px;
  width: clamp(840px, 50vw, 80%);
}
.container .hero .thumbnail img {
  width: calc(100% + 120px);
  margin-left: -60px;
}
.container .section {
  width: 840px;
  width: clamp(840px, 50vw, 80%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgb(250, 251, 253);
  border: 1px solid rgba(9, 30, 54, 0.06);
  border-radius: 18px;
  overflow: hidden;
  margin: 58px auto 0;
  scroll-margin-top: 180px;
}
.container .section:nth-child(2n+1) {
  flex-direction: row-reverse;
}
.container .section .left {
  flex: 1 1 auto;
  padding: 0 9px 0 50px;
  box-sizing: border-box;
}
.container .section .left .title {
  font-family: PingFang SC;
  font-size: 24px;
  font-weight: 600;
  line-height: 36px;
  display: -webkit-flex;
  display: flex;
  -webkit-flex-flow: column nowrap;
  flex-flow: column nowrap;
  letter-spacing: normal;
  color: #113;
}
.container .section .left .title:nth-child(2) {
  margin-bottom: 15px;
}
.container .section .left .desc {
  display: block;
  font-family: PingFang SC;
  font-size: 14px;
  font-weight: 400;
  line-height: 24px;
  letter-spacing: normal;
  color: rgba(17, 17, 51, 0.7);
}
.container .section .left .download-btn {
  width: 104px;
  height: 44px;
  display: flex;
  background: #43f;
  color: #fff;
  border-radius: 6px;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease-in-out, -webkit-transform 0.3s ease-in-out;
  margin-top: 50px;
}
.container .section .left .download-btn:hover {
  transform: translateY(-10px);
}
.container .section .right {
  flex: 0 0 62.38%;
}
.container .section .right video {
  width: 100%;
}

.cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 100px 0;
  margin: 0 auto;
  position: relative;
}
.cta .title {
  height: 56px;
  margin-bottom: 24px;
}
.cta .download-btn {
  position: relative;
  width: 188px;
  height: 52px;
}
.cta .download-btn:hover .download-btn-active {
  opacity: 1;
}
.cta .download-btn:hover .download-btn-normal {
  opacity: 0;
}
.cta .download-btn img {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  transition: 0.3s ease-in-out;
}
.cta .download-btn .download-btn-active {
  opacity: 0;
}

.copyright {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: 13px;
  color: #343536;
  position: relative;
  z-index: 9;
  padding: 20px 0;
}
.copyright a {
  color: inherit;
}

/*# sourceMappingURL=index.css.map */