/* banner开始 */
#os-banner {
  background: #ffd0b0;
  padding: 126px 0;
}
#os-banner > .os-banner-inner {
  width: calc(100% - 64px);
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#os-banner > .os-banner-inner h3 {
  font-weight: 700;
  font-size: 40px;
  line-height: 68px;
  letter-spacing: 0.06em;
  color: #1d1e1f;
}
#os-banner > .os-banner-inner p {
  font-weight: 400;
  font-size: 20px;
  line-height: 30px;
  letter-spacing: 0.06em;
  color: #63616a;
  margin-top: 32px;
}
#os-banner > .os-banner-inner .download {
  display: inline-block;
  padding: 8px 16px;
  font-weight: 400;
  font-size: 24px;
  line-height: 32px;
  letter-spacing: 0.03em;
  color: #ffffff;
  background: #f4a524;
  margin-top: 80px;
  border: 1px solid #f4a524;
}
#os-banner > .os-banner-inner .download:hover {
  cursor: pointer;
  color: #f4a524;
  background-color: transparent;
  border: 1px solid #f4a524;
}
.mobile-os-banner-p {
  display: none;
}

.sub-banner {
  position: relative;
}
.sub-banner > img {
  width: 100%;
}
.sub-banner > .wrap {
  width: calc(100% - 64px);
  max-width: 1200px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  -webkit-transform: translateX(-50%) translateY(-50%);
  -moz-transform: translateX(-50%) translateY(-50%);
  -ms-transform: translateX(-50%) translateY(-50%);
  -o-transform: translateX(-50%) translateY(-50%);
}
.sub-banner > .wrap > div {
  width: 29.5833vw;
}

.sub-banner > .wrap > div > h3 {
  font-weight: 700;
  font-size: calc(1rem + 0.51vw);
  line-height: calc(1.5rem + 1.04vw);
  letter-spacing: 0.06em;
  color: #1d1e1f;
}
.sub-banner > .wrap > div > .big-font {
  font-weight: 700;
  font-size: calc(1rem + 2.19vw);
  line-height: calc(1.5rem + 2.76vw);
  letter-spacing: 0.06em;
  color: #1d1e1f;
  margin-top: 4px;
}
.sub-banner > .wrap > div > p {
  font-weight: 400;
  font-size: calc(1rem + 0.51vw);
  line-height: calc(1.5rem + 0.78vw);
  letter-spacing: 0.06em;
  color: #63616a;
  margin-top: 2.0833vw;
}
.sub-banner > .wrap > div > .download {
  display: inline-block;
  font-weight: 700;
  font-size: calc(1rem + 0.31vw);
  line-height: 1.3542vw;
  letter-spacing: 0.03em;
  background: #ffffff;
  border-radius: .4167vw;
  padding: .4167vw 4.1667vw;
  margin-top: 2.0833vw;
  color: #f4a524;
  -webkit-border-radius: .4167vw;
  -moz-border-radius: .4167vw;
  -ms-border-radius: .4167vw;
  -o-border-radius: .4167vw;
}
.sub-banner > .wrap > div > .download:hover{
  cursor: pointer;
  background: #f4a524;
  color: #fff;
}

#oh-banner {
  position: relative;
}
#oh-banner > img {
  width: 100%;
}
#oh-banner > .wrap {
  display: flex;
  align-items: center;
  width: calc(100% - 64px);
  max-width: 1342px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%) translateY(-50%);
  -webkit-transform: translateX(-50%) translateY(-50%);
  -moz-transform: translateX(-50%) translateY(-50%);
  -ms-transform: translateX(-50%) translateY(-50%);
  -o-transform: translateX(-50%) translateY(-50%);
}
#oh-banner > .wrap > div {
  margin-right: 1.25vw;
}
#oh-banner > .wrap > div > h3 {
  font-weight: 700;
  font-size: calc(1rem + 0.51vw);
  line-height: calc(1.5rem + 1.04vw);
  letter-spacing: 0.06em;
  color: #1d1e1f;
}
#oh-banner > .wrap > div > .big-font {
  font-weight: 700;
  font-size: calc(1rem + 2.19vw);
  line-height: calc(1.5rem + 2.76vw);
  letter-spacing: 0.06em;
  color: #1d1e1f;
  margin-top: 4px;
}
#oh-banner > .wrap > div > p {
  font-weight: 400;
  font-size: calc(1rem + 0.52vw);
  line-height: calc(1.5rem + 0.57vw);
  letter-spacing: 0.06em;
  color: #63616a;
  margin-top: 40px;
}

#oh-banner > .wrap > img {
  width: 44%;
}

/* banner结束 */

#main > .OS-item {
  width: calc(100% - 64px);
  margin: 0 auto;
  margin-top: 80px;
}
#main > .OS-item > h3 {
  font-weight: 700;
  font-size: 56px;
  line-height: 74px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #f5a116;
}
#main > .OS-item > .os-type {
  margin-top: 16px;
  font-weight: 700;
  text-align: center;
  letter-spacing: 0.06em;
  color: #f5a116;
  font-size: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
#main > .OS-item > .os-type > span {
  display: inline-block;
  margin: 0 8px;
  font-size: 32px;
  line-height: 42px;
}
#main > .OS-item > .os-type > .circle {
  width: 16px;
  height: 16px;
  background-color: #f4a524;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
}

#main > .OS-item > .os-type > .op6 {
  opacity: 0.6;
}
#main > .OS-item > .os-type > .op8 {
  opacity: 0.8;
}
#main > .OS-item > ul {
  margin: 0 auto;
  margin-top: 32px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

#main > .OS-Droid > ul {
  max-width: 1310px;
}
#main > .OS-Droid > ul > li {
  width: 33%;
  padding: 8px;
  background: #efefef;
  box-shadow: 0px 0px 4px rgba(0, 0, 0, 0.15);
  margin-bottom: 16px;
}
#main > .OS-Droid > ul > li:nth-last-of-type(1),
#main > .OS-Droid > ul > li:nth-last-of-type(2),
#main > .OS-Droid > ul > li:nth-last-of-type(3) {
  margin-bottom: 0;
}

#main > .OS-Droid > ul > li > img {
  width: 100%;
}
#main > .OS-Droid > ul > li > div {
  padding-top: 16px;
  text-align: center;
  font-weight: 400;
  font-size: 18px;
  line-height: 31px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #63616a;
}

#main > .OS-Arch > ul {
  max-width: 1200px;
}
#main > .OS-Arch > ul > li {
  width: 18.4%;
  background: #f1f1f1;
  margin-bottom: 24px;
  text-align: center;
  padding: 32px 16px 60px 16px;
}
#main > .OS-Arch > ul > li:nth-last-of-type(1),
#main > .OS-Arch > ul > li:nth-last-of-type(2),
#main > .OS-Arch > ul > li:nth-last-of-type(3),
#main > .OS-Arch > ul > li:nth-last-of-type(4),
#main > .OS-Arch > ul > li:nth-last-of-type(5) {
  margin-bottom: 0;
}

#main > .OS-Arch > ul > li > img {
  width: 144px;
}
#main > .OS-Arch > ul > li > div {
  margin-top: 16px;
  font-weight: 400;
  font-size: 18px;
  line-height: 24px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #1d1e1f;
}

#main > .OS-OH > ul {
  max-width: 1200px;
}
#main > .OS-OH > ul > li {
  width: 31.3%;
  background: #f1f1f1;
  padding: 48px 16px 68px 16px;
  text-align: center;
  margin-bottom: 24px;
}
#main > .OS-OH > ul > li:nth-last-of-type(1),
#main > .OS-OH > ul > li:nth-last-of-type(2),
#main > .OS-OH > ul > li:nth-last-of-type(3) {
  margin-bottom: 0;
}

#main > .OS-OH > ul > li > img {
  width: 144px;
}
#main > .OS-OH > ul > li > div {
  font-weight: 400;
  font-size: 18px;
  line-height: 24px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #1d1e1f;
  margin-top: 16px;
}

#main > .OS-Droid-details {
  padding: 80px 0;
  width: calc(100% - 64px);
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
#main > .OS-Droid-details > h3 {
  font-weight: 700;
  font-size: 56px;
  line-height: 74px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #1d1e1f;
}
#main > .OS-Droid-details > .circle-group {
  margin-top: 24px;
}
#main > .OS-Droid-details > .circle-group > span {
  display: inline-block;
  width: 18px;
  height: 18px;
  background-color: #f4a524;
  margin: 0 8px;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
}
#main > .OS-Droid-details > p {
  font-weight: 400;
  font-size: 24px;
  line-height: 32px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #63616a;
  margin-top: 16px;
  padding-bottom: 32px;
}

#main > .OS-Droid-details > .details-item {
  margin-top: 32px;
}
#main > .OS-Droid-details > .details-item > h3 {
  font-weight: 700;
  font-size: 40px;
  line-height: 53px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #f5a116;
}
#main > .OS-Droid-details > .details-item > .circle-group {
  margin-top: 16px;
}
#main > .OS-Droid-details > .details-item > .circle-group > span {
  display: inline-block;
  width: 16px;
  height: 16px;
  margin: 0 8px;
  background-color: #f5a116;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
}
#main > .OS-Droid-details > .details-item > .circle-group > .op8 {
  opacity: 0.8;
}
#main > .OS-Droid-details > .details-item > .circle-group > .op6 {
  opacity: 0.6;
}

#main > .OS-Droid-details > .details-item > p {
  margin-top: 16px;
  font-weight: 400;
  font-size: 24px;
  line-height: 32px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #63616a;
}

#main > .OS-Droid-details > .details-item > img {
  width: 100%;
  margin-top: 24px;
}

#main > .OS-Arch-details {
  padding: 64px 0;
  background: #fff;
}
#main > .OS-Arch-details > .OS-Arch-details-inner {
  width: calc(100% - 64px);
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > h3 {
  font-weight: 700;
  font-size: 56px;
  line-height: 74px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #1d1e1f;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > .circle-group {
  margin-top: 24px;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > .circle-group > span {
  display: inline-block;
  width: 18px;
  height: 18px;
  margin: 0 8px;
  border-radius: 50%;
  background: #f4a524;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > p {
  font-weight: 400;
  font-size: 24px;
  line-height: 32px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #63616a;
  margin-top: 16px;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > .sub-title {
  margin-top: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > .sub-title > span {
  font-weight: 700;
  font-size: 40px;
  line-height: 53px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #f5a116;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > .sub-title > .circle {
  display: inline-block;
  width: 16px;
  height: 16px;
  background-color: #f5a116;
  margin: 0 8px;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > .sub-title > .op6 {
  opacity: 0.6;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > .sub-title > .op8 {
  opacity: 0.8;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > .sub-p {
  margin-top: 16px;
  font-weight: 400;
  font-size: 24px;
  line-height: 32px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #63616a;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > img {
  margin-top: 16px;
  margin-bottom: 80px;
  width: 100%;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > .details-item {
  background-color: #fff;
  margin-bottom: 24px;
  padding: 48px;
  display: flex;
  align-items: center;
  box-shadow: 0px 0px 15px rgba(0, 0, 0, 0.15);
}
#main > .OS-Arch-details > .OS-Arch-details-inner > .details-item > img {
  width: 43.16%;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > .details-item > div {
  margin-left: 48px;
}
#main
  > .OS-Arch-details
  > .OS-Arch-details-inner
  > .details-item
  > div
  > .circle-group {
  text-align: left;
}
#main
  > .OS-Arch-details
  > .OS-Arch-details-inner
  > .details-item
  > div
  > .circle-group
  > span {
  display: inline-block;
  width: 11px;
  height: 11px;
  background: #f4a524;
  margin-right: 8px;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
}
#main
  > .OS-Arch-details
  > .OS-Arch-details-inner
  > .details-item
  > div
  > .circle-group
  > .op5 {
  opacity: 0.5;
}
#main
  > .OS-Arch-details
  > .OS-Arch-details-inner
  > .details-item
  > div
  > .title {
  margin-top: 80px;
  font-weight: 400;
  font-size: 32px;
  line-height: 42px;
  letter-spacing: 0.06em;
  color: #1d1e1f;
  text-align: left;
}
#main > .OS-Arch-details > .OS-Arch-details-inner > .details-item > div > p {
  margin-top: 24px;
  font-weight: 400;
  font-size: 16px;
  line-height: 27px;
  letter-spacing: 0.06em;
  color: #63616a;
  text-align: left;
}

#main
  > .OS-Arch-details
  > .OS-Arch-details-inner
  > .details-item:nth-last-of-type(1) {
  margin-bottom: 0;
}

#main > .OS-OH-details {
  padding: 80px 0;
  width: calc(100% - 64px);
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}
#main > .OS-OH-details > h3 {
  font-weight: 700;
  font-size: 56px;
  line-height: 74px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #1d1e1f;
}
#main > .OS-OH-details > .circle-group {
  margin-top: 24px;
}
#main > .OS-OH-details > .circle-group > span {
  width: 18px;
  height: 18px;
  display: inline-block;
  margin: 0 8px;
  background: #f4a524;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
}
#main > .OS-OH-details > p {
  margin-top: 16px;
  font-weight: 400;
  font-size: 24px;
  line-height: 32px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #63616a;
}
#main > .OS-OH-details > ul {
  margin-top: 48px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
#main > .OS-OH-details > ul > li {
  width: 32%;
  background: #f1f1f1;
  box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.2);
  margin-bottom: 24px;
  padding: 24px 16px;
  text-align: center;
}
#main > .OS-OH-details > ul > li > img {
  width: 144px;
}
#main > .OS-OH-details > ul > li > div {
  font-weight: 400;
  font-size: 20px;
  line-height: 34px;
  letter-spacing: 0.06em;
  color: #63616a;
  margin-top: 16px;
}
#main > .OS-OH-details > ul > li > p {
  margin-top: 8px;
  font-weight: 400;
  font-size: 16px;
  line-height: 27px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #828287;
}
#main > .OS-OH-details > ul > .spec-li {
  width: 49%;
}
#main > .OS-OH-details > ul > li:nth-last-of-type(1),
#main > .OS-OH-details > ul > li:nth-last-of-type(2) {
  margin-bottom: 0;
}

.baidu-download-message-box {
  top: 72px;
}

.baidu-download-message-box > .baidu-download-message-box-inner-content {
  margin-left: 0;
  transform: translateX(-50%) translateY(-50%);
  -webkit-transform: translateX(-50%) translateY(-50%);
  -moz-transform: translateX(-50%) translateY(-50%);
  -ms-transform: translateX(-50%) translateY(-50%);
  -o-transform: translateX(-50%) translateY(-50%);
}

#main > .os-main-content {
  padding: 4.1667vw 0;
  width: calc(100% - 64px);
  max-width: 1200px;
  margin: 0 auto;
}
#main > .os-main-content > .os-main-content-item {
  position: relative;
}
#main > .os-main-content > .os-main-content-item > img {
  width: 100%;
}
#main > .os-main-content > .os-main-content-item > .inner-content {
  width: 100%;
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  padding: 1.6667vw;
  text-align: left;
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  -o-transform: translateY(-50%);
}
#main > .os-main-content > .os-main-content-item > .inner-content > h3 {
  font-weight: 700;
  font-size: calc(1rem + 0.52vw);
  line-height: calc(1.5rem + 0.57vw);
  letter-spacing: 0.06em;
  color: #f5a116;
}
#main > .os-main-content > .os-main-content-item > .inner-content > .big-font {
  margin-top: 8px;
  display: flex;
  align-items: center;
}
#main
  > .os-main-content
  > .os-main-content-item
  > .inner-content
  > .big-font
  > span {
  font-weight: 700;
  font-size: calc(1rem + 2.19vw);
  line-height: calc(1.5rem + 2.76vw);
  letter-spacing: 0.06em;
  color: #f5a116;
  display: inline-block;
  margin-right: 12px;
}
#main
  > .os-main-content
  > .os-main-content-item
  > .inner-content
  > .big-font
  > .circle {
  width: 12px;
  height: 12px;
  background-color: #f5a116;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
}
#main
  > .os-main-content
  > .os-main-content-item
  > .inner-content
  > .big-font
  > .op8 {
  opacity: 0.8;
}
#main
  > .os-main-content
  > .os-main-content-item
  > .inner-content
  > .big-font
  > .op6 {
  opacity: 0.6;
}
#main
  > .os-main-content
  > .os-main-content-item
  > .inner-content
  > .big-font
  > .op4 {
  opacity: 0.4;
}
#main > .os-main-content > .os-main-content-item > .inner-content > ul {
  display: flex;
  flex-wrap: wrap;
  width: 600px;
  margin-top: 1.25vw;
}
#main > .os-main-content > .os-main-content-item > .inner-content > ul > li {
  width: 268px;
  margin-right: 16px;
  margin-bottom: 0.8333vw;
  background: rgba(255, 255, 255, 0.8);
  border-radius: 4px;
  padding: 2px;
  display: flex;
  align-items: center;
}
#main
  > .os-main-content
  > .os-main-content-item
  > .inner-content
  > ul
  > li
  > img {
  width: 48px;
}
#main
  > .os-main-content
  > .os-main-content-item
  > .inner-content
  > ul
  > li
  > div {
  margin-left: 16px;
  font-weight: 400;
  font-size: 14px;
  line-height: 21px;
  letter-spacing: 0.06em;
  color: #1d1e1f;
}
#main
  > .os-main-content
  > .os-main-content-item
  > .inner-content
  > ul
  > li:nth-last-of-type(1),
#main
  > .os-main-content
  > .os-main-content-item
  > .inner-content
  > ul
  > li:nth-last-of-type(2) {
  margin-bottom: 0;
}

#main > .os-main-content > .os-main-content-item > .inner-content > a {
  display: inline-block;
  background: #ffffff;
  border-radius: 8px;
  margin-top: 1.6667vw;
  font-weight: 700;
  font-size: 20px;
  line-height: 26px;
  letter-spacing: 0.03em;
  color: #f4a524;
  padding: 8px 80px;
}
#main > .os-main-content > .os-main-content-item > .inner-content > a:hover {
  cursor: pointer;
  background: #f4a524;
  color: #fff;
}
#main > .os-main-content > .os-arch {
  margin-top: 80px;
}
#main > .os-main-content > .os-oh {
  background: linear-gradient(180.73deg, #f2f2f2 4.44%, #ebebeb 91.73%);
  border-radius: 16px;
  margin-top: 80px;
}

#main > .os-main-content > .os-oh > .inner-content {
  padding: 32px;
  text-align: left;
}
#main > .os-main-content > .os-oh > .inner-content > h3 {
  font-weight: 700;
  font-size: 24px;
  line-height: 32px;
  letter-spacing: 0.06em;
  color: #f5a116;
}
#main > .os-main-content > .os-oh > .inner-content > .big-font {
  margin-top: 8px;
  display: flex;
  align-items: center;
}
#main > .os-main-content > .os-oh > .inner-content > .big-font > span {
  font-weight: 700;
  font-size: 56px;
  line-height: 74px;
  letter-spacing: 0.06em;
  color: #f5a116;
  display: inline-block;
  margin-right: 12px;
}
#main > .os-main-content > .os-oh > .inner-content > .big-font > .circle {
  width: 12px;
  height: 12px;
  background-color: #f5a116;
  border-radius: 50%;
  -webkit-border-radius: 50%;
  -moz-border-radius: 50%;
  -ms-border-radius: 50%;
  -o-border-radius: 50%;
}
#main > .os-main-content > .os-oh > .inner-content > .big-font > .op8 {
  opacity: 0.8;
}
#main > .os-main-content > .os-oh > .inner-content > .big-font > .op6 {
  opacity: 0.6;
}
#main > .os-main-content > .os-oh > .inner-content > .big-font > .op4 {
  opacity: 0.4;
}
#main > .os-main-content > .os-oh > .inner-content > ul {
  margin-top: 24px;
  display: flex;
  justify-content: space-between;
}
#main > .os-main-content > .os-oh > .inner-content > ul > li {
  width: 80px;
  text-align: center;
}
#main > .os-main-content > .os-oh > .inner-content > ul > li > img {
  width: 100%;
}
#main > .os-main-content > .os-oh > .inner-content > ul > li > div {
  font-weight: 400;
  font-size: 18px;
  line-height: 24px;
  text-align: center;
  letter-spacing: 0.06em;
  color: #1d1e1f;
  margin-top: 16px;
}
#main > .os-main-content > .os-oh > .inner-content > a {
  display: inline-block;
  background: #ffffff;
  border-radius: 8px;
  margin-top: 32px;
  font-weight: 700;
  font-size: 20px;
  line-height: 26px;
  letter-spacing: 0.03em;
  color: #f4a524;
  padding: 8px 80px;
}
#main > .os-main-content > .os-oh > .inner-content > a:hover {
  cursor: pointer;
  background: #f4a524;
  color: #fff;
}

@media (min-width: 600px) and (max-width: 1200px) {
  .sub-banner > .wrap {
    max-width: 992px;
  }
  .sub-banner > .wrap > div {
    width: 32.4167vw;
  }

  .sub-banner > .wrap > div > h3 {
    font-size: 2vw;
    line-height: 2.5vw;
  }
  .sub-banner > .wrap > div > .big-font {
    font-size: 4.6667vw;
    line-height: 6.1667vw;
    margin-top: 0.3333vw;
  }
  .sub-banner > .wrap > div > p {
    font-size: 1.6667vw;
    line-height: calc(0.4rem + 2.5vw);
    margin-top: 3.3333vw;
  }

  .sub-banner > .wrap > div > .download {
    font-size: 1.6667vw;
    line-height: 2.1667vw;
    margin-top: 3.3333vw;
    padding: .6667vw 6.6667vw;
    border-radius: .6667vw;
    -webkit-border-radius: .6667vw;
    -moz-border-radius: .6667vw;
    -ms-border-radius: .6667vw;
    -o-border-radius: .6667vw;
}

  #oh-banner > .wrap {
    max-width: 992px;
  }
  #oh-banner > .wrap > div {
    margin-right: 0.6667vw;
  }
  #oh-banner > .wrap > div > h3 {
    font-size: 2vw;
    line-height: 2.5vw;
  }
  #oh-banner > .wrap > div > .big-font {
    font-size: 4.6667vw;
    line-height: 6.1667vw;
    margin-top: 0.3333vw;
  }
  #oh-banner > .wrap > div > p {
    font-size: 1.6667vw;
    line-height: 2.5vw;
    margin-top: 3.3333vw;
  }

  .small-screen-show {
    display: none !important;
  }
  #os-banner > .os-banner-inner img {
    width: 57% !important;
  }
  #main > .OS-item {
    margin-top: 5.3333vw;
  }
  #main > .OS-item > h3 {
    font-size: calc(1rem + 3.5vw);
    line-height: calc(1.5rem + 4.4vw);
  }
  #main > .OS-item > .os-type {
    margin-top: 1.3333vw;
  }
  #main > .OS-item > .os-type > span {
    margin: 0 0.6667vw;
    font-size: calc(1rem + 1.5vw);
    line-height: calc(1.5rem + 1.75vw);
  }
  #main > .OS-item > .os-type > .circle {
    width: 1.3333vw;
    height: 1.3333vw;
  }

  #main > .OS-item > ul {
    margin-top: 2vw;
  }

  #main > .OS-Droid > ul {
    max-width: 872px;
  }
  #main > .OS-Droid > ul > li {
    width: 49%;
    padding: 0.6667vw;
    box-shadow: 0px 0px 0.3333vw rgba(0, 0, 0, 0.15);
    margin-bottom: 1.3333vw;
  }
  #main > .OS-Droid > ul > li:nth-last-of-type(2),
  #main > .OS-Droid > ul > li:nth-last-of-type(3) {
    margin-bottom: 1.3333vw;
  }

  #main > .OS-Droid > ul > li > div {
    padding-top: 1.3333vw;
    font-size: calc(1rem + 0.33vw);
    line-height: calc(1.5rem + 0.83vw);
  }

  #main > .OS-Arch > ul {
    max-width: 992px;
  }
  #main > .OS-Arch > ul > li {
    width: 18.7%;
    margin-bottom: 1.3333vw;
    padding: 1.3333vw 1.6667vw;
  }

  #main > .OS-Arch > ul > li > img {
    width: 77.8%;
  }
  #main > .OS-Arch > ul > li > div {
    margin-top: 1.3333vw;
    font-size: calc(1rem + 0.33vw);
    line-height: calc(1.5rem + 0.25vw);
  }

  #main > .OS-OH > ul {
    max-width: 992px;
  }
  #main > .OS-OH > ul > li {
    width: 31.7%;
    padding: 4vw 1.3333vw 7vw 1.3333vw;
    margin-bottom: 2vw;
  }
  #main > .OS-OH > ul > li:nth-last-of-type(1),
  #main > .OS-OH > ul > li:nth-last-of-type(2),
  #main > .OS-OH > ul > li:nth-last-of-type(3) {
    margin-bottom: 0;
  }

  #main > .OS-OH > ul > li > img {
    width: 45.8%;
  }
  #main > .OS-OH > ul > li > div {
    font-size: calc(1rem + 0.33vw);
    line-height: calc(1.5rem + 0.25vw);
    margin-top: 1.3333vw;
  }

  #main > .OS-Droid-details {
    padding: 5.3333vw 0;
    max-width: 992px;
  }
  #main > .OS-Droid-details > h3 {
    font-size: calc(1rem + 2.83vw);
    line-height: calc(1.5rem + 3.5vw);
  }
  #main > .OS-Droid-details > .circle-group {
    margin-top: 2vw;
  }
  #main > .OS-Droid-details > .circle-group > span {
    width: 1.5vw;
    height: 1.5vw;
    margin: 0 0.6667vw;
  }
  #main > .OS-Droid-details > p {
    font-size: calc(1rem + 0.83vw);
    line-height: calc(1.5rem + 0.92vw);
    margin-top: 1.3333vw;
    padding-bottom: 2.6667vw;
  }

  #main > .OS-Droid-details > .details-item {
    margin-top: 2.6667vw;
  }

  #main > .OS-Droid-details > .details-item > h3 {
    font-size: calc(1rem + 2.17vw);
    line-height: calc(1.5rem + 2.67vw);
  }
  #main > .OS-Droid-details > .details-item > .circle-group {
    margin-top: 1.3333vw;
  }
  #main > .OS-Droid-details > .details-item > .circle-group > span {
    width: 1.3333vw;
    height: 1.3333vw;
    margin: 0 0.6667vw;
  }
  #main > .OS-Droid-details > .details-item > p {
    margin-top: 1.3333vw;
    font-size: calc(1rem + 0.83vw);
    line-height: calc(1.5rem + 0.91vw);
  }

  #main > .OS-Droid-details > .details-item > img {
    margin-top: 2vw;
  }

  #main > .OS-Arch-details {
    padding: 4vw 0;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner {
    max-width: 992px;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > h3 {
    font-size: calc(1rem + 3.5vw);
    line-height: calc(1.5rem + 4.41vw);
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .circle-group {
    margin-top: 2vw;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .circle-group > span {
    width: 1.5vw;
    height: 1.5vw;
    margin: 0 0.6667vw;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > p {
    font-size: calc(1rem + 0.83vw);
    line-height: calc(1.5rem + 0.91vw);
    margin-top: 1.3333vw;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .sub-title {
    margin-top: 3.3333vw;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .sub-title > span {
    font-size: calc(1rem + 2.16vw);
    line-height: calc(1.5rem + 2.67vw);
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .sub-title > .circle {
    width: 1.3333vw;
    height: 1.3333vw;
    margin: 0 0.6667vw;
  }

  #main > .OS-Arch-details > .OS-Arch-details-inner > .sub-p {
    margin-top: 1.3333vw;
    font-size: calc(1rem + 0.83vw);
    line-height: calc(1.5rem + 0.91vw);
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > img {
    margin-top: 1.3333vw;
    margin-bottom: 3.3333vw;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .details-item {
    margin-bottom: 2vw;
    padding: 2.6667vw;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .details-item > img {
    width: 52.21%;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .details-item > div {
    margin-left: 2.6667vw;
  }

  #main
    > .OS-Arch-details
    > .OS-Arch-details-inner
    > .details-item
    > div
    > .circle-group
    > span {
    width: 0.9167vw;
    height: 0.9167vw;
    margin-right: 0.6667vw;
  }

  #main
    > .OS-Arch-details
    > .OS-Arch-details-inner
    > .details-item
    > div
    > .title {
    margin-top: 4vw;
    font-size: calc(1rem + 1.5vw);
    line-height: calc(1.5rem + 1.75vw);
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .details-item > div > p {
    margin-top: 2vw;
    font-size: calc(1rem + 0.16vw);
    line-height: calc(1.5rem + 0.5vw);
  }

  #main > .OS-OH-details {
    padding: 5.3333vw 0;
    max-width: 992px;
  }
  #main > .OS-OH-details > h3 {
    font-size: calc(1rem + 3.5vw);
    line-height: calc(1.5rem + 4.4vw);
  }
  #main > .OS-OH-details > .circle-group {
    margin-top: 2vw;
  }
  #main > .OS-OH-details > .circle-group > span {
    width: 1.5vw;
    height: 1.5vw;
    margin: 0 0.6667vw;
  }
  #main > .OS-OH-details > p {
    margin-top: 1.3333vw;
    font-size: calc(1rem + 0.83vw);
    line-height: calc(1.5rem + 0.91vw);
  }
  #main > .OS-OH-details > ul {
    margin-top: 4vw;
  }
  #main > .OS-OH-details > ul > li {
    width: 31.13%;
    box-shadow: 0px 0px 0.6667vw rgba(0, 0, 0, 0.2);
    margin-bottom: 2vw;
    padding: 2vw 1.3333vw;
  }
  #main > .OS-OH-details > ul > li > img {
    width: 45.86%;
  }
  #main > .OS-OH-details > ul > li > div {
    font-size: calc(1rem + 0.5vw);
    line-height: calc(1.5rem + 1.1vw);
    margin-top: 1.3333vw;
  }
  #main > .OS-OH-details > ul > li > p {
    margin-top: 0.6667vw;
    font-size: calc(1rem + 0.16vw);
    line-height: calc(1.5rem + 0.5vw);
  }
  #main > .OS-OH-details > ul > .spec-li {
    width: 48.8%;
  }

  .mobile-baidu-download-message-box {
    top: 72px;
  }

  #main > .os-main-content {
    padding: 5.3333vw 0;
    max-width: 992px;
  }
  #main > .os-main-content > .os-main-content-item > .inner-content {
    padding: 2.6667vw;
  }
  #main > .os-main-content > .os-main-content-item > .inner-content > h3 {
    font-size: 1.6667vw;
    line-height: 2.6667vw;
  }
  #main
    > .os-main-content
    > .os-main-content-item
    > .inner-content
    > .big-font {
    margin-top: 0.6667vw;
  }
  #main
    > .os-main-content
    > .os-main-content-item
    > .inner-content
    > .big-font
    > span {
    font-size: 3.3333vw;
    line-height: 4.5vw;
    margin-right: 1vw;
  }

  #main > .os-main-content > .os-main-content-item > .inner-content > ul {
    width: 58%;
    margin-top: 2vw;
    justify-content: space-between;
  }
  #main > .os-main-content > .os-main-content-item > .inner-content > ul > li {
    width: 49%;
    margin-right: 0;
    margin-bottom: 1.3333vw;
    border-radius: 4px;
    padding: 2px;
  }
  #main
    > .os-main-content
    > .os-main-content-item
    > .inner-content
    > ul
    > li
    > img {
    width: 4vw;
  }
  #main
    > .os-main-content
    > .os-main-content-item
    > .inner-content
    > ul
    > li
    > div {
    margin-left: 1.3333vw;
    font-size: 1.1667vw;
    line-height: 14px;
  }
  #main > .os-main-content > .os-main-content-item > .inner-content > a {
    margin-top: 2.6667vw;
    font-size: 1.6667vw;
    line-height: 2.5vw;
    padding: 0.6667vw 6.6667vw;
  }

  #main > .os-main-content > .os-arch {
    margin-top: 5.3333vw;
  }
  #main > .os-main-content > .os-oh {
    margin-top: 5.3333vw;
  }

  #main > .os-main-content > .os-oh > .inner-content {
    padding: 2.6667vw;
  }
  #main > .os-main-content > .os-oh > .inner-content > h3 {
    font-size: 2vw;
    line-height: 2.6667vw;
  }
  #main > .os-main-content > .os-oh > .inner-content > .big-font {
    margin-top: 0.6667vw;
  }
  #main > .os-main-content > .os-oh > .inner-content > .big-font > span {
    font-size: 4.6667vw;
    line-height: 6.1667vw;
    margin-right: 1vw;
  }

  #main > .os-main-content > .os-oh > .inner-content > ul {
    margin-top: 2vw;
  }
  #main > .os-main-content > .os-oh > .inner-content > ul > li {
    width: 6.6667vw;
  }

  #main > .os-main-content > .os-oh > .inner-content > ul > li > div {
    font-size: 1.5vw;
    line-height: calc(1rem + 0.83vw);
    margin-top: 1.3333vw;
  }
  #main > .os-main-content > .os-oh > .inner-content > a {
    border-radius: 8px;
    margin-top: 2.6667vw;
    font-size: 1.6667vw;
    line-height: 2.1667vw;
    padding: 0.6667vw 6.6667vw;
    -webkit-border-radius: 8px;
    -moz-border-radius: 8px;
    -ms-border-radius: 8px;
    -o-border-radius: 8px;
  }
}

@media (max-width: 600px) {
  .sub-banner > .wrap,
  #oh-banner > .wrap {
    width: 100%;
    text-align: center;
    top: calc(72px + 8vw);
    transform: translateX(-50%) translateY(0);
    -webkit-transform: translateX(-50%) translateY(0);
    -moz-transform: translateX(-50%) translateY(0);
    -ms-transform: translateX(-50%) translateY(0);
    -o-transform: translateX(-50%) translateY(0);
  }
  .sub-banner > .wrap > div {
    width: 100%;
  }
  .sub-banner > .wrap > div > h3{
    font-size: calc(1rem + 1vw);
    line-height: calc(1.5rem + 2.16vw);
  }
  .sub-banner > .wrap > div > .big-font{
    font-size: calc(1rem + 4.33vw);
    line-height: calc(1.5rem + 5.33vw);
  }
  .sub-banner > .wrap > div > .download{
    margin-top: 2.6667vw;
    font-size: calc(1rem + 1vw);
    line-height: calc(1.5rem + 0.83vw);
    padding: 1.3333vw 13.3333vw;
    border-radius: 1.3333vw;
    -webkit-border-radius: 1.3333vw;
    -moz-border-radius: 1.3333vw;
    -ms-border-radius: 1.3333vw;
    -o-border-radius: 1.3333vw;
}
  .sub-banner > .wrap > div > p,
  #oh-banner > .wrap > div > p {
    display: none;
  }
  #oh-banner > .wrap {
    flex-direction: column;
  }
  #oh-banner > .wrap > div {
    margin-right: 0;
  }
  #oh-banner > .wrap > img {
    margin-top: 7.1667vw;
  }

  .middle-screen-show {
    display: none !important;
  }
  #os-banner > .os-banner-inner h3 {
    font-size: calc(1rem + 4.33vw);
    line-height: calc(1.5rem + 7.83vw);
  }
  #os-banner > .os-banner-inner .download {
    margin-top: 4vw !important;
    margin-bottom: 6.6667vw !important;
    padding: 1.3333vw 2.6667vw !important;
    font-size: calc(1rem + 1.66vw);
    line-height: calc(1.5rem + 1.83vw);
  }
  .mobile-os-banner-p {
    padding: 2.6667vw !important;
  }
  .mobile-os-banner-p > p {
    font-size: calc(1rem + 1vw) !important;
    line-height: calc(1.5rem + 1.5vw) !important;
  }
  #main > .OS-item {
    margin-top: 8vw;
  }
  #main > .OS-item > h3 {
    font-size: calc(1rem + 4.33vw);
    line-height: calc(1.5rem + 5.33vw);
  }

  #main > .OS-item > .os-type {
    margin-top: 2.6667vw;
  }
  #main > .OS-item > .os-type > span {
    margin: 0 1.3333vw;
    font-size: calc(1rem + 2.33vw);
    line-height: calc(1.5rem + 2.67vw);
  }
  #main > .OS-item > .os-type > .circle {
    width: 2.6667vw;
    height: 2.6667vw;
  }

  #main > .OS-item > ul {
    margin-top: 4vw;
  }

  #main > .OS-Droid > ul {
    max-width: 392px;
  }
  #main > .OS-Droid > ul > li {
    width: 100%;
    padding: 1.3333vw;
    box-shadow: 0px 0px 0.6667vw rgba(0, 0, 0, 0.15);
    margin-bottom: 2.6667vw;
  }
  #main > .OS-Droid > ul > li:nth-last-of-type(2),
  #main > .OS-Droid > ul > li:nth-last-of-type(3) {
    margin-bottom: 2.6667vw;
  }

  #main > .OS-Droid > ul > li > div {
    padding-top: 2.6667vw;
    font-size: calc(1rem + 0.66vw);
    line-height: calc(1.5rem + 1.66vw);
  }

  #main > .OS-Arch > ul {
    max-width: 392px;
  }
  #main > .OS-Arch > ul > li {
    width: 30.46%;
    margin-bottom: 2.6667vw;
    padding: 2.6667vw 3.3333vw;
  }
  #main > .OS-Arch > ul > li:nth-last-of-type(1) {
    width: 100%;
  }

  #main > .OS-Arch > ul > li:nth-last-of-type(2),
  #main > .OS-Arch > ul > li:nth-last-of-type(3),
  #main > .OS-Arch > ul > li:nth-last-of-type(4),
  #main > .OS-Arch > ul > li:nth-last-of-type(5) {
    margin-bottom: 2.6667vw;
  }

  #main > .OS-Arch > ul > li > img {
    width: 13.3333vw;
  }
  #main > .OS-Arch > ul > li > div {
    margin-top: 2.6667vw;
    font-size: calc(1rem + 0.33vw);
    line-height: calc(1.5rem);
  }

  #main > .OS-OH > ul {
    max-width: 392px;
  }
  #main > .OS-OH > ul > li {
    width: 31.3%;
    padding: 2.6667vw 3.5vw;
    margin-bottom: 2vw;
  }

  #main > .OS-OH > ul > li > img {
    width: 13.3333vw;
  }
  #main > .OS-OH > ul > li > div {
    font-size: calc(1rem + 0.66vw);
    line-height: calc(1.5rem + 0.5vw);
    margin-top: 2.6667vw;
  }

  #main > .OS-Droid-details {
    padding: 8vw 0;
    max-width: 392px;
  }
  #main > .OS-Droid-details > h3 {
    font-size: calc(1rem + 4.33vw);
    line-height: calc(1.5rem + 5.33vw);
  }
  #main > .OS-Droid-details > .circle-group {
    margin-top: 4vw;
  }
  #main > .OS-Droid-details > .circle-group > span {
    width: 3vw;
    height: 3vw;
    margin: 0 1.3333vw;
  }
  #main > .OS-Droid-details > p {
    font-size: calc(1rem + 1vw);
    line-height: calc(1.5rem + 0.83vw);
    margin-top: 2.6667vw;
    padding-bottom: 5.3333vw;
  }

  #main > .OS-Droid-details > .details-item {
    margin-top: 5.3333vw;
  }

  #main > .OS-Droid-details > .details-item > h3 {
    font-size: calc(1rem + 2.67vw);
    line-height: calc(1.5rem + 2.67vw);
  }
  #main > .OS-Droid-details > .details-item > .circle-group {
    margin-top: 2.6667vw;
  }
  #main > .OS-Droid-details > .details-item > .circle-group > span {
    width: 2.6667vw;
    height: 2.6667vw;
    margin: 0 1.3333vw;
  }
  #main > .OS-Droid-details > .details-item > p {
    margin-top: 2.6667vw;
    font-size: calc(1rem + 1vw);
    line-height: calc(1.5rem + 0.91vw);
  }

  #main > .OS-Droid-details > .details-item > img {
    margin-top: 5.33vw;
  }

  #main > .OS-Arch-details {
    padding: 5.33vw 0;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner {
    max-width: 392px;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > h3 {
    font-size: calc(1rem + 4.33vw);
    line-height: calc(1.5rem + 5.33vw);
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .circle-group {
    margin-top: 4vw;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .circle-group > span {
    width: 3vw;
    height: 3vw;
    margin: 0 1.3333vw;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > p {
    font-size: calc(1rem + 1vw);
    line-height: calc(1.5rem + 0.83vw);
    margin-top: 2.6667vw;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .sub-title {
    margin-top: 5.3333vw;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .sub-title > span {
    font-size: calc(1rem + 2.33vw);
    line-height: calc(1.5rem + 2.67vw);
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .sub-title > .circle {
    width: 2.6667vw;
    height: 2.6667vw;
    margin: 0 1.3333vw;
  }

  #main > .OS-Arch-details > .OS-Arch-details-inner > .sub-p {
    margin-top: 2.6667vw;
    font-size: calc(1rem + 1.33vw);
    line-height: calc(1.5rem + 1.84vw);
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > img {
    margin-top: 2.6667vw;
    margin-bottom: 5.3333vw;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .details-item {
    flex-direction: column;
    margin-bottom: 4vw;
    padding: 4vw;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .details-item > img {
    width: 100%;
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .details-item > div {
    margin-left: 0;
    margin-top: 2.6667vw;
  }

  #main
    > .OS-Arch-details
    > .OS-Arch-details-inner
    > .details-item
    > div
    > .circle-group
    > span {
    width: 1.8333vw;
    height: 1.8333vw;
    margin-right: 1.3333vw;
  }

  #main
    > .OS-Arch-details
    > .OS-Arch-details-inner
    > .details-item
    > div
    > .title {
    margin-top: 4vw;
    font-size: calc(1rem + 1.66vw);
    line-height: calc(1.5rem + 1.83vw);
  }
  #main > .OS-Arch-details > .OS-Arch-details-inner > .details-item > div > p {
    margin-top: 2.6667vw;
    font-size: calc(1rem + 0.33vw);
    line-height: calc(1.5rem + 1vw);
  }

  #main > .OS-OH-details {
    padding: 8vw 0;
    max-width: 392px;
  }
  #main > .OS-OH-details > h3 {
    font-size: calc(1rem + 4.33vw);
    line-height: calc(1.5rem + 5.33vw);
  }
  #main > .OS-OH-details > .circle-group {
    margin-top: 4vw;
  }
  #main > .OS-OH-details > .circle-group > span {
    width: 3vw;
    height: 3vw;
    margin: 0 1.3333vw;
  }
  #main > .OS-OH-details > p {
    margin-top: 2.6667vw;
    font-size: calc(1rem + 1vw);
    line-height: calc(1.5rem + 0.83vw);
  }
  #main > .OS-OH-details > ul {
    margin-top: 8vw;
  }
  #main > .OS-OH-details > ul > li {
    width: 100%;
    box-shadow: 0px 0px 1.3333vw rgba(0, 0, 0, 0.2);
    margin-bottom: 4vw;
    padding: 4vw 2.6667vw;
  }
  #main > .OS-OH-details > ul > li > img {
    width: 144px;
  }
  #main > .OS-OH-details > ul > li > div {
    font-size: calc(1rem + 1vw);
    line-height: calc(1.5rem + 2.16vw);
    margin-top: 2.6667vw;
  }
  #main > .OS-OH-details > ul > li > p {
    margin-top: 1.3333vw;
    font-size: calc(1rem + 0.33vw);
    line-height: calc(1.5rem + 1vw);
  }
  #main > .OS-OH-details > ul > .spec-li {
    width: 100%;
    margin-bottom: 4vw !important;
  }
  #main > .OS-OH-details > ul > li:nth-last-of-type(1) {
    margin-bottom: 0;
  }

  .mobile-baidu-download-message-box {
    top: 72px;
  }

  #main > .os-main-content {
    padding: 8vw 0;
    width: calc(100% - 32px);
    max-width: 392px;
  }
  #main > .os-main-content > .os-main-content-item > .inner-content {
    padding: 24px;
    top: 0;
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    -o-transform: translateY(0);
  }
  #main > .os-main-content > .os-main-content-item > .inner-content > h3 {
    font-size: calc(1rem + 0.33vw);
    line-height: 21px;
  }
  #main
    > .os-main-content
    > .os-main-content-item
    > .inner-content
    > .big-font {
    margin-top: 1.3333vw;
  }
  #main
    > .os-main-content
    > .os-main-content-item
    > .inner-content
    > .big-font
    > span {
    font-size: calc(1rem + 3vw);
    line-height: 1.5rem + 3.5vw;
    margin-right: 2vw;
  }

  #main > .os-main-content > .os-main-content-item > .inner-content > ul {
    width: 100%;
    margin-top: 4vw;
  }
  #main > .os-main-content > .os-main-content-item > .inner-content > ul > li {
    width: 100%;
    margin-right: 0;
    margin-bottom: 8px;
  }
  #main
    > .os-main-content
    > .os-main-content-item
    > .inner-content
    > ul
    > li:nth-last-of-type(2) {
    margin-bottom: 8px;
  }
  #main
    > .os-main-content
    > .os-main-content-item
    > .inner-content
    > ul
    > li
    > img {
    width: 8vw;
  }
  #main
    > .os-main-content
    > .os-main-content-item
    > .inner-content
    > ul
    > li
    > div {
    margin-left: 2.6667vw;
    font-size: 14px;
    line-height: 21px;
  }
  #main > .os-main-content > .os-main-content-item > .inner-content > a {
    margin-top: 16px;
    font-size: calc(1rem + 1vw);
    line-height: calc(1rem + 2vw);
    padding: 1.3333vw 13.3333vw;
  }

  #main > .os-main-content > .os-arch {
    margin-top: 8vw;
  }
  #main > .os-main-content > .os-oh {
    margin-top: 8vw;
  }

  #main > .os-main-content > .os-oh > .inner-content {
    padding: 4vw;
  }

  #main > .os-main-content > .os-oh > .inner-content > h3 {
    font-size: calc(1rem + 0.33vw);
    line-height: 21px;
  }
  #main > .os-main-content > .os-oh > .inner-content > .big-font {
    margin-top: 1.3333vw;
  }
  #main > .os-main-content > .os-oh > .inner-content > .big-font > span {
    font-size: calc(1rem + 3vw);
    line-height: calc(1.5rem + 2.76vw);
    margin-right: 2vw;
  }

  #main > .os-main-content > .os-oh > .inner-content > ul {
    margin-top: 4vw;
    flex-wrap: wrap;
  }
  #main > .os-main-content > .os-oh > .inner-content > ul > li {
    width: 33%;
    text-align: center;
    margin-bottom: 16px;
  }
  #main > .os-main-content > .os-oh > .inner-content > ul > li > img {
    width: 13.3333vw;
  }
  #main > .os-main-content > .os-oh > .inner-content > ul > li > div {
    text-align: center;
    font-size: 14px;
    line-height: 21px;
    margin-top: 2.6667vw;
  }
  #main > .os-main-content > .os-oh > .inner-content > a {
    margin-top: 16px;
    font-size: calc(1rem + 1vw);
    line-height: calc(1rem + 2vw);
    padding: 1.3333vw 13.3333vw;
  }
}