html,
body {
  height: 100%;
  margin: 0;
}

a,
a:visited {
  text-decoration: none;
  font-weight: 300;
  color: #6d6d6d;
  line-height: 50px;
}

body {
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1700px;
  margin: 0 auto;
  padding: 0 50px;
}

.main.download {
  margin-bottom: 100px;
}

a.active {
  color: #f7c43d;
}

.flex-1 {
  flex: 1;
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 60px 150px;
}

.logo a {
  font-size: 50px;
  font-weight: 600;
  color: #f7c43d;
}

nav {
  display: flex;
}

li {
  list-style-type: none;
  font-size: 30px;
  font-family: Heiti;
  font-weight: 500;
  line-height: 31px;
}

li + li {
  margin-left: 40px;
}

.main {
  width: 100%;
}

.main img {
  width: 100%;
}

.about main.main {
  background: url(images/about.png) no-repeat center;
  background-size: cover;
}

.download main.main {
  background: url(images/download.png) no-repeat center;
  background-size: cover;
}

.contact main.main {
  background: url(images/contact.png) no-repeat center;
  background-size: cover;
}

.section-1-title {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.section-1-title div + div {
  margin-left: 20px;
}

.section-title-cn {
  font-size: 60px;
  color: #f7c43d;
  text-align: center;
}

.section-title-en {
  font-size: 50px;
  color: #6e6e6e;
  margin-top: 10px;
}

.section-title {
  margin: 120px 0 20px 0;
}

.section-title .no {
  font-size: 110px;
}

.section-title .text {
  text-align: center;
  margin-left: 20px;
}

.text .cn {
  height: 51px;
  font-size: 42px;
  line-height: 51px;
  border-bottom: 3px solid #2d2d2d;
}

.text .en {
  height: 43px;
  font-size: 33px;
  line-height: 43px;
}

.section-1 {
  display: flex;
  align-items: center;
}

.section-1-container,
.section-2-container {
  display: flex;
  position: relative;
  width: 100%;
  flex-direction: column;
}

.section-1-container img,
.section-2-container img {
  object-fit: contain;
  width: 100%;
}

.section-1-container .desc {
  position: absolute;
  top: 123px;
  right: 10vw;
  width: 646px;
  font-size: 30px;
  line-height: 66px;
}

.section-1-container .desc-title {
  font-size: 43px;
  font-weight: 500;
}

.section-2-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-2-container img + img {
  margin-top: 25px;
}

.section-2 .desc {
  padding-left: 113px;
  line-height: 46px;
  font-size: 28px;
}

.section-3,
.section-5 {
  display: flex;
  margin-top: 150px;
  align-items: center;
}

.section-3 {
  margin: 180px 0;
}

.section-3 > div + div,
.section-5 > div + div {
  margin-left: 40px;
}

.text-section {
  font-size: 35px;
  font-weight: 500;
  color: #6d6d6d;
  line-height: 61px;
  flex: 1;
}

.img-section {
  flex: 1;
}

.img-section img {
  width: 100%;
}

.text-section .desc {
  margin-top: 50px;
}

.section-4-container {
  display: flex;
  justify-content: space-between;
}

.section-4-container img {
  width: 16vw;
}

.section-5 .text-section {
  flex: 1.25;
}

.email,
.address {
  display: flex;
  position: relative;
  flex-direction: column;
}

.address {
  margin-top: 46px;
}

.section-3-container {
  display: flex;
  align-items: center;
}

.section-3-container .desc {
  width: 390px;
  font-size: 28px;
  font-family: Heiti;
  font-weight: 500;
  color: #303030;
  line-height: 46px;
  margin-left: 150px;
}

.apk-download-icon {
  width: 43px;
  height: 55px;
  margin-right: 10px;
  object-fit: contain;
}

.apk-download {
  width: 350px;
  height: 97px;
  background: #f7c53d;
  border-radius: 40px;
  font-size: 40px;
  font-weight: 300;
  line-height: 41px;
  margin: 0 auto;
  margin-top: 60px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: Heiti;
}

.apk-download a,
footer a {
  color: #ffffff;
}

footer {
  font-size: 24px;
  font-family: Heiti;
  font-weight: 500;
  color: #ffffff;
  line-height: 25px;
  background: #29383e;
  text-align: center;
  margin-top: 120px;
  padding-top: 50px;
  padding-bottom: 25px;
}

.mobile-menu-toggle {
  display: none;
  cursor: pointer;
}

.mobile-menus {
  display: none;
}

.mobile-menus a:not(.active) {
  color: lightgray;
}

.mobile-menus.show {
  display: block;
  position: absolute;
  padding: 20px;
  top: 130px;
  left: 0;
  right: 0;
  backdrop-filter: blur(8px);
  z-index: 1;
  background: rgba(0, 0, 0, 0.5);
}

@media (max-width: 1536px) {
  .navbar {
    margin: 50px 10px;
  }

  .navbar li {
    font-size: 25px;
  }

  .li + li {
    margin-left: 30px;
  }

  .section-title {
    margin: 120px 0 50px 0px;
  }

  .section-1 .desc {
    padding-left: 80px;
    padding-right: 25px;
    padding-top: 40px;
    padding-bottom: 40px;
  }

  .section-1-container .desc {
    right: 1vw;
    top: 100px;
  }

  .section-3-container img {
    width: 50%;
  }

  .section-3-container .desc {
    margin-left: 50px;
  }

  .section-3 .desc {
    font-size: 20px;
    font-family: Heiti;
  }

  .apk-download {
    width: 300px;
    height: 80px;
    font-size: 35px;
  }

  .section-5 .text-section {
    font-size: 20px;
  }
}

@media (max-width: 1024px) {
  .navbar nav {
    display: none;
  }

  .navbar li {
    margin-left: 30px;
    margin-top: 20px;
  }

  .section-title-cn {
    font-size: 45px;
  }

  .text-section .desc {
    margin-top: 30px;
  }

  .section-title {
    margin: 50px 0 50px 0;
    line-height: 40px;
    font-size: 28px;
    border-left-width: 6px;
  }

  .text-section {
    line-height: 45px;
  }

  .section-1-container,
  .section-2-container {
    flex-direction: column;
    padding: 0;
  }

  .section-3 > div + div,
  .section-5 > div + div {
    margin-left: 0;
    margin-top: 40px;
  }

  .section-3 {
    flex-direction: column;
    margin: 100px 0;
  }

  .section-5 {
    flex-direction: column;
    margin-top: 100px;
  }

  .section-5 .img-section {
    width: 100%;
  }

  .apk-download::before {
    width: 35px;
    height: 40px;
    object-fit: cover;
  }

  .about-section .section-1-container {
    flex-direction: row;
  }

  .about-section .section-1-container img {
    width: 0;
  }

  .about-section .section-1-container .desc {
    padding: 50px;
  }

  .section-1-container .desc {
    right: 0;
    width: 500px;
    margin: 0 45px;
    top: 100px;
    font-size: 20px;
  }

  .email-icon {
    background-image: url(images/email.png);
    background-size: 100% 100%;
    display: inline-block;
    position: absolute;
    width: 35px;
    height: 25px;
    top: 20px;
  }

  .address-icon {
    background-image: url(images/location.png);
    background-size: 100% 100%;
    display: inline-block;
    position: absolute;
    width: 32px;
    height: 35px;
    top: 20px;
    left: -64px;
  }

  .address {
    margin-top: 20px;
  }

  .section-3-container {
    margin: 0 20px;
  }

  .section-3-container .desc {
    margin-left: 20px;
  }

  .apk-download {
    width: 200px;
    height: 60px;
    font-size: 25px;
  }

  .apk-download-icon {
    width: 30px;
    height: 30px;
    object-fit: contain;
  }

  footer {
    padding: 24px;
    font-size: 16px;
  }

  .mobile-menu-toggle {
    display: block;
  }

  .mobile-menu-toggle img {
    width: 40px;
    height: 40px;
  }

  li + li {
    margin: 0;
    margin-top: 20px;
    margin-left: 20px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 25px;
  }

  .navbar {
    margin: 25px 0;
  }

  .logo {
    font-size: 40px;
  }

  .section-title {
    margin: 40px 0 20px 0;
    line-height: 40px;
    font-size: 25px;
    border-left-width: 6px;
  }

  .section-title-cn {
    font-size: 25px;
  }

  .section-1-container .desc {
    width: unset;
    margin: 0;
    padding: 24px;
    top: 0;
  }

  .section-1-container img,
  .section-2-container img {
    width: 100%;
  }

  .section-1-container .desc {
    padding: 24px;
    font-size: 20px;
  }

  .section-2-container img + img {
    margin-top: 15px;
  }

  .address {
    margin-top: 20px;
  }

  .section-3 {
    margin: 50px 0;
  }

  .section-5 {
    margin-top: 50px;
  }

  .text-section .desc {
    margin-top: 15px;
  }

  .section-3-container {
    margin: 0 20px;
    flex-direction: column;
  }

  .section-3-container img {
    width: 100%;
    height: 100%;
  }

  .section-3-container .desc {
    margin-top: 20px;
    margin-left: 0;
    width: calc(100% - 100px);
    padding-left: 80px;
    align-self: stretch;
  }

  .apk-download {
    width: 200px;
    height: 60px;
    font-size: 25px;
  }

  footer {
    padding: 24px;
    font-size: 16px;
    margin-top: 90px;
  }

  .mobile-menus.show {
    top: 65px;
  }
}