html,
body {
  height: 100%;
}

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

.flex-1 {
  flex: 1;
}

.navbar {
  padding: 45px 20px;
  max-width: 1200px;
  margin: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.menus {
  display: flex;
}

.menus li {
  list-style: none;
  margin-left: 3vw;
}

.mobile-menus li a,
.menus li a {
  text-decoration: none;
  color: #3a3a3a;
  padding: 4px;
  font-size: 1.5rem;
  font-family: Alibaba PuHuiTi 2;
  font-weight: normal;
  color: #191919;
}

li a.active,
.mobile-menus li a:hover,
.menus li a:hover {
  color: orange;
}

.logo {
  display: flex;
  align-items: center;
}

.image-logo {
  width: 50px;
  height: 50px;
  object-fit: contain;
}

.text-logo {
  margin-left: 15px;
}

.section-1 {
  background: url("./images/section-1-bg.png") no-repeat center;
  background-size: cover;
  height: 50vw;
  margin-bottom: 88px;
}

.section-2 {
  background: url("/images/section-2.png") no-repeat center;
  background-size: cover;
  margin-bottom: 88px;
  padding: 93px;
}

.description {
  font-size: 1.25rem;
  font-weight: normal;
  color: #ffffff;
  line-height: 31px;
}

.section-3 {
  margin-bottom: 120px;
  padding: 16px;
}

.section-3 .title {
  color: #191919;
  margin-bottom: 47px;
}

.section-3 .description {
  color: #191919;
}

.section-4 {
  background: url("/images/section-4-bg.png") no-repeat center;
  background-size: cover;
  height: 20vw;
  min-height: 200px;
  margin-bottom: 175px;
  color: white;
  padding: 5vw 2vw;
}

.section-4 .wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  width: 50%;
}

.section-4 .title {
  font-weight: 700;
  font-size: 3.125rem;
  letter-spacing: 5px;
  margin-bottom: 16px;
}

.download button,
.section-4 button {
  border-radius: 100px;
  background-color: orange;
  color: white;
  outline: none;
  border: 0;
  padding: 21px 28px;
  min-width: 322px;
  margin-bottom: 11px;
}

.section-4 .w {
  position: relative;
}

.section-4 .mobile {
  position: absolute;
  right: 3vw;
  top: -10vw;
  width: 22vw;
  min-width: 150px;
}

.w {
  margin: auto;
  max-width: 1200px;
}

.flex {
  display: flex;
}

.section-5 {
  background: linear-gradient(-10deg, #010f26 0%, #100118 51%, #080220 100%);
  min-height: 452px;
  color: white;
}

.section-5 .overlay {
  background: url("/images/section-5-bg.png") no-repeat center;
  background-size: cover;
  padding: 81px;
}

.centered {
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
}

.title {
  font-size: 2.5rem;
  font-family: Source Han Sans CN;
  font-weight: bold;
  color: #ffffff;
  text-align: center;
}

.underlined {
  width: 165px;
  display: inline-block;
  padding-bottom: 10px;
  margin-bottom: 39px;
}

.underlined::after {
  height: 10px;
  display: block;
  width: 172px;
  border-bottom: 5px solid #ff9e04;
  content: "";
}

.underlined.black::after {
  border-bottom: 5px solid #fff;
}

.section-5 p {
  text-align: center;
  font-size: 1.25rem;
}

.section-5 .info-container {
  display: flex;
  justify-content: space-between;
  width: 100%;
  margin-top: 30px;
}

.section-5 .info-container div {
  font-size: 1.25rem;
  white-space: break-spaces;
}

.section-5 .info-container div + div {
  margin-left: 28px;
}

footer {
  margin-top: 60px;
  background: url("/images/footer-bg.png") no-repeat center;
  background-size: cover;

  text-align: center;
  color: white;
  font-size: 1.375rem;
  color: #ffffff;
  line-height: 31px;
  padding: 41px;
}

footer ul {
  display: flex;
  justify-content: center;
}

footer ul li {
  list-style: none;
}

footer p {
  margin: 0;
}

footer a {
  text-decoration: none;
  color: white;
}

.black {
  color: #191919;
}

.service-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 70px;
}

.service-item {
  display: flex;
  margin: 6px;
  width: 48%;
  border-radius: 4px;
  box-shadow: rgba(0, 0, 0, 0.1) 0px 10px 15px -3px,
    rgba(0, 0, 0, 0.05) 0px 4px 6px -2px;
  min-width: 400px;
}

.service-item-info {
  padding: 18px;
}

.service-item-title {
  font-size: 1.5rem;
  font-family: Alibaba PuHuiTi 2;
  font-weight: normal;
  color: #323232;
  line-height: 38px;
  font-weight: 600;
  margin-top: 10px;
  margin-bottom: 26px;
}

.service-item-title::after {
  height: 10px;
  display: block;
  width: 45px;
  border-bottom: 5px solid #ff9e04;
  content: "";
}

.service-item-description {
  font-size: 1rem;
  font-family: Alibaba PuHuiTi 2;
  font-weight: normal;
  color: #323232;
}

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

.mobile-menus {
  display: none;
}

.mobile-menus.show {
  display: block;
  padding-bottom: 20px;
  position: absolute;
  background-color: white;
  width: 100%;
}

.download {
  padding: 80px;
}

.download .title,
.download .description {
  color: #191919;
  text-align: center;
}

.download button {
  color: #191919;
}

.download .container {
  justify-content: space-between;
  height: 100%;
}

.container {
  display: flex;
}

.linear-bg {
  background: linear-gradient(0deg, rgba(255, 159, 74, 0) 0%, #ffda6f 100%);
}

.sidebar {
  width: 400px;
  color: #a24500;
}

.sidebar .title {
  text-align: left;
  color: #a24500;
  margin-bottom: 60px;
}

.sidebar li {
  list-style-type: none;
}

.sidebar li + li {
  margin-top: 16px;
}

.container-wrapper {
  padding: 81px;
}

.news-item {
  display: flex;
}

.news-item + .news-item {
  margin-top: 57px;
}

.news-info {
  margin-left: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  max-width: 820px;
}

.news-info-title {
  font-size: 24px;
}

.news-info-date,
.news-info-description {
  color: #7d7d7d;
  font-size: 20px;
}

.about-info {
  font-size: 20px;
  font-weight: 400;
  line-height: 36px;
}

.about-info p {
  margin-top: 0;
}

.about-info p span {
  display: block;
  font-weight: 600;
}

.product-info {
  font-size: 24px;
  font-weight: 400;
  color: #191919;
  line-height: 36px;
}

.top2 {
  font-size: 12px;
}

.top2 p {
  margin: 0;
  margin-bottom: 4px;
}

.top2 a {
  text-decoration: none;
}

@media (max-width: 1080px) {
  .menus {
    display: none;
  }

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

  .mobile-menu-toggle img {
    width: 30px;
    height: 30px;
  }

  .service-item {
    width: 100%;
  }

  .section-4 {
    min-height: 300px;
  }

  .section-4 .mobile {
    min-width: 300px;
  }

  .mobile-menus li {
    list-style: none;
  }

  .mobile-menus li a {
    padding: 8px 24px;
    width: 100%;
    display: inline-block;
  }

  .sidebar {
    margin-bottom: 40px;
  }

  .sidebar .title {
    margin-bottom: 20px;
  }

  .container-wrapper {
    padding: 41px;
  }

  .container {
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 12px;
  }

  .navbar {
    padding: 24px;
  }

  .section-1 {
    margin-bottom: 40px;
  }

  .section-2 {
    margin-bottom: 40px;
  }

  .service-wrapper {
    margin-top: 20px;
  }

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

  .section-4 {
    margin-bottom: 100px;
  }

  .title {
    font-size: 1.75rem;
  }

  .underlined {
    margin-bottom: 15px;
  }

  .section-2 {
    padding: 24px 16px;
  }

  .section-4 {
    padding: 24px 16px;
    min-height: 200px;
  }

  .section-4 .wrapper {
    width: 60%;
  }
  .section-4 .title {
    font-size: 1.9rem;
  }

  .section-4 button {
    min-width: 160px;
    padding: 15px;
  }

  .section-4 .mobile {
    top: -35px;
    min-width: 150px;
  }

  .section-5 .overlay {
    padding: 24px 16px;
  }

  .info-container {
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .section-5 .info-container div {
    white-space: pre-line;
    font-size: 1.1rem;
  }

  .section-5 .info-container div + div {
    margin: 0;
  }

  .service-item {
    width: 100%;
  }

  .service-item-info {
    padding: 12px;
  }

  footer {
    font-size: 1rem;
    padding: 16px;
  }

  .sidebar li {
    font-size: 16px;
  }

  .container-wrapper {
    padding: 25px;
  }

  .product .title,
  .about .title,
  .news .title {
    text-align: left;
  }

  .news-item img {
    width: 175px;
    height: 175px;
  }

  .news-info-title {
    font-size: 20px;
  }
  .news-info-date,
  .news-info-description {
    font-size: 16px;
  }

  .product-info,
  .about-info {
    font-size: 16px;
    line-height: 24px;
  }

  .product-info p,
  .about-info p {
    margin-top: 0;
  }

  .top2 {
    right: 13vw;
    top: 4vw;
  }
}