@font-face {
  font-family: "Montserrat";
  src: url("../font/Montserrat-SemiBold.otf") format("opentype");
}
@font-face {
  font-family: "Inter";
  src: url("../font/Inter.ttf") format("truetype");
}

body,
dl,
dd,
ul,
ol,
h1,
h2,
h3,
h4,
h5,
h6,
p,
form,
header,
section,
article,
footer,
div,
span,
img,
a,
button {
  margin: 0;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  outline: none;
}
body {
  font: 12px/1.5 tahoma, "\5b8b\4f53", sans-serif;
  background: #e7eaec;
  font-family: "Microsoft Yahei";
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 100%;
  font-weight: normal;
}
em,
b {
  font-style: normal;
}
a {
  text-decoration: none;
  outline: none;
}
a:hover {
  text-decoration: none;
}
img {
  border: 0;
  /* pointer-events: none; */
  display: block;
  -o-object-fit: cover;
  object-fit: cover;
}
ul {
  list-style: none;
}
button,
input,
select,
textarea {
  font-size: 100%;
  outline: none;
  background-color: transparent;
  border: none;
}
button {
  color: #fff;
}
table {
  border-collapse: collapse;
  border-spacing: 0;
}
td,
th,
ul,
ol {
  padding: 0;
}
* {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-overflow-scrolling: touch;
}
img {
  -webkit-touch-callout: default;
}
input,
textarea {
  -webkit-user-select: auto;
  outline: none;
}
* {
  -webkit-text-size-adjust: none;
  padding: 0;
  margin: 0;
}
a,
select,
div {
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
}
.hidden {
  display: none;
}
body,
html {
  /* width: 100%; */
  width: auto;
  /* min-width: 14rem; */
  height: 100%;
  padding: 0;
  margin: 0;
  /* background: #000; */
  position: relative;
}
body {
  height: 100%;
}
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  box-sizing: border-box;
}

.header-bg {
  background-color: rgba(18, 19, 26, 1);
}

.top-section {
  background-image: url(../img/img_banner.png);
  background-size: cover;
  height: 810px;
  display: flex;
  justify-content: center;
  align-items: center;
  background-repeat: no-repeat;
}
.top-section img {
  width: 821px;
  height: 219px;
  margin-top: -130px;
}

.header-content {
  width: 960px;
  margin: 0 auto;
  display: flex;
  flex-direction: row;
  padding: 8px 0;
}
.logo-container img {
  width: 132px;
  height: 34px;
}

.header-content nav {
  margin-left: 165px;
  display: flex;
  align-items: center;
}
.header-content nav a {
  margin-right: 32px;
  color: #fff;
  font-size: 16px;
  font-family: Inter;
}
.header-content nav a.active {
  font-weight: bold;
  font-size: 16px;
  font-family: Inter;
}

main section {
  width: 100%;
  height: 810px;
  background-image: url(../img/img_section_bg.png);
  background-size: cover;
  font-family: Inter;
}

section .section-content {
  display: flex;
  width: 960px;
  margin: 0 auto;
  align-items: center;
  flex-direction: row;
  height: 100%;
  position: relative;
}

.bg-text {
  font-family: Montserrat, Montserrat;
  font-weight: 600;
  font-size: 100px;
  color: rgba(255, 255, 255, 0.04);
}
.about-us {
  position: absolute;
  top: 47px;
}
.product1 {
  position: absolute;
  left: 322px;
  top: 196px;
}

.product2 {
  position: absolute;
  left: 0rem;
  top: 234px;
}

.product3 {
  position: absolute;
  left: 321px;
  top: 234px;
}

section .section-content.about,
section .section-content.mission {
  flex-direction: column;
  align-items: start;
}
section .section-content.about {
  justify-content: center;
}
section .section-content.mission {
  justify-content: center;
}

.about-img {
  margin: 0.16rem 0;
  width: 1.81rem;
  height: 0.36rem;
  background-image: url(../img/img_introduction.png);
  background-size: 1.78rem 0.24rem;
  background-repeat: no-repeat;
}

.mission-title {
  position: relative;
}

.mission-img {
  width: 1.11rem;
  height: 0.36rem;
  background-image: url(../img/img_mission.png);
  background-size: 1.11rem 0.24rem;
  background-repeat: no-repeat;
  position: absolute;
  left: 8px;
  bottom: 28px;
}

.about-img img {
  width: 1.81rem;
  height: 0.36rem;
}
section .section-content.about h2 {
  font-family: Outfit, Outfit;
  font-weight: 500;
  font-size: 64px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 77px;
  text-stroke: 1px rgba(255, 255, 255, 0.04);
}

.screenshot {
  height: 548px;
}

.content-right {
  margin-left: 0.2rem;
}
.content-title {
  font-family: Inter, Inter;
  font-weight: 500;
  font-size: 64px;
  line-height: 75px;
  color: rgba(255, 255, 255, 0.9);
}

.content-subtitle {
  font-family: Inter, Inter;
  font-weight: 400;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 0.15rem;
}

.introduce {
  font-family: Inter, Inter;
  font-weight: 400;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 26px;
  text-stroke: 1px rgba(255, 255, 255, 0.04);
  width: 680px;
}

.mission-text {
  font-family: Inter, Inter;
  font-weight: 400;
  font-size: 26px;
  color: rgba(255, 255, 255, 0.9);
}

.cards {
  width: 100%;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin-top: 40px;
}

.cards .card {
  flex-grow: 1;
  height: 88px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 16px 16px 16px 16px;
  /* border: 1px solid; */
  border-image: linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.08),
      rgba(255, 255, 255, 1),
      rgba(255, 255, 255, 0.08)
    )
    1 1;
}

.cards .card.hq {
  background-image: url(../img/img_premium.png);
  background-size: 52px 44px;
  background-repeat: no-repeat;
  background-position: 20px 50%;
  padding-left: 80px;
  padding-right: 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  margin-right: 20px;
}

.cards .card.enhance {
  background-image: url(../img/img_hd.png);
  background-size: 52px 44px;
  background-repeat: no-repeat;
  background-position: 20px 50%;
  padding-left: 80px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card h3 {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  line-height: 22px;
}

.card p {
  font-weight: 400;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.74);
  line-height: 14px;
  margin-top: 5px;
}

footer {
  background-color: rgba(17, 18, 25, 1);
  padding-bottom: 30px;
}

.footer-content {
  width: 960px;
  margin: 0 auto;
  padding-top: 90px;
  font-family: Inter;
}
.contact {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}

.contact h4 {
  font-size: 24px;
  color: #ffffff;
}
.contact .address p {
  margin-top: 32px;
  font-weight: 400;
  font-size: 16px;
  color: #ffffff;
}
.company,
.address {
  width: 2.5rem;
}
.company img {
  width: 1.8rem;
}
.company .company-name {
  font-weight: 400;
  font-size: 20px;
  color: #ffffff;
  margin-top: 0.2rem;
}
.qrcode img {
  margin-top: 0.2rem;
}
.copyright {
  font-weight: 400;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  width: 960px;
  margin: 70px auto 10px auto;
}

.show{
    display: block;
}

.icon-top {
    position: fixed;
    bottom: 30px;
    right: 50px;
    width: 30px;
    cursor: pointer;
}
.parent-company {
  margin-top: 40px;
}
.parent-company h3 {
  color: white;
  font-size: 24px;
  font-weight: bold;
}
.parent-company .company-content {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}
.parent-company .company-content .address {
  margin-top: 32px;
  font-weight: 400;
  font-size: 15px;
  color: #ffffff;
}

@media screen and (max-width: 980px) {
  /* .hide {
    display: block;
  } */
  .header-content nav {
    margin-left: 100px;
  }
  .header-content nav a {
    margin-right: 30px;
  }
  .header-content {
    width: 860px;
  }
  section .section-content {
    width: 860px;
  }
  .footer-content {
    width: 860px;
  }
  .bg-text {
    font-size: 90px;
  }
}

@media screen and (min-width: 1820px) {
    .top-section {
        background-position-y: -85px;
    }
    .top-section img {
        margin-top: -270px;
    }
}