.language-select {
  -webkit-appearance: none;
  appearance: none;
  background-color: rgba(104, 104, 104, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.3);
  padding: 8px 24px 8px 12px;
  border-radius: 24px;
  color: white;
  font-weight: bold;
  cursor: pointer;
  -webkit-backdrop-filter: blur(5px);
  backdrop-filter: blur(5px);
  font-size: 14px;
  outline: none;
  text-align: center;
  background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23FFFFFF%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
  background-repeat: no-repeat;
  background-position: right 10px top 50%;
  background-size: 10px auto;
}

.language-select option {
  background-color: rgba(104, 104, 104, 0.5);
  color: rgb(39, 39, 39);
}

.language-select:hover {
  background-color: rgba(104, 104, 104, 0.5);
}

.ad-card-top {
  background: #ffffff;
  border-radius: 0px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  width: 100%;
  border: #e1e1e1 solid 1px;
  height: 0px;
  visibility: hidden;
}

.ad-card {
  background: #ffffff;
  border-radius: 8px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  width: 100%;
  margin-top: 16px;
  margin-left: 16px;
  margin-bottom: 16px;
  margin-right: 16px;
  border: #e1e1e1 solid 1px;
  height: 0;
  visibility: hidden;
}

.ad-card-header {
  padding: 8px 10px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ad-header-left {
  display: flex;
  align-items: center;
}

.ad-header-tag {
  width: 4px;
  height: 16px;
  background: linear-gradient(to bottom, #4096ff, #1677ff);
  border-radius: 2px;
  margin-right: 12px;
}

.ad-close-btn {
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.ad-close-btn img {
  width: 14px;
  height: 14px;
  opacity: 0.4;
}

.ad-close-btn:hover img {
  opacity: 0.7;
}

.ad-close-btn:hover {
  background: #e0e0e0;
  color: #666;
}

.ad-divider {
  height: 1px;
  background: #f0f0f0;
  margin: 0;
}

.ad-card-content {
  color: #666;
  font-size: 14px;
}

.download-hint {
  background-color: #ededed;
  display: flex;
  margin-right: 16px;
  margin-left: 16px;
  border-radius: 8px;
  padding: 8px;
  gap: 10px;
  font-size: 13px;
  color: #373737;
  font-weight: 500;
  align-items: center;
}

.download-hint .icon {
  flex: 0 0 auto;
}

.app-shell {
  max-width: 750px;
  margin: 0 auto;
  min-height: 100vh;
  background: #ffffff;
}

.hero-panel {
  padding: 34px 18px 22px;
  text-align: center;
}

.app-logo {
  width: 108px;
  height: 108px;
  object-fit: contain;
  margin: 8px auto 18px;
}

.hero-name {
  color: #111827;
  font-size: 30px;
  font-weight: 900;
  line-height: 1.12;
}

.hero-copy {
  margin: 12px auto 0;
  color: #667085;
  font-size: 15px;
  line-height: 1.65;
  max-width: 560px;
}

.section-block {
  padding: 18px;
}

.section-title {
  color: #111827;
  font-size: 24px;
  font-weight: 900;
  line-height: 1.2;
}

.section-copy {
  margin-top: 8px;
  color: #667085;
  font-size: 14px;
  line-height: 1.65;
}

.feature-grid {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.store-buttons {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.app-screenshots {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(120px, 1fr);
  gap: 12px;
  margin: 18px 0 0;
  padding: 0 18px 2px;
  overflow-x: auto;
  scrollbar-width: none;
}

.app-screenshots::-webkit-scrollbar {
  display: none;
}

.app-screenshots img {
  width: 100%;
  min-width: 120px;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 8px 22px rgba(17, 24, 39, 0.08);
}

.store-button {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 72px;
  border-radius: 8px;
  color: #ffffff;
  font-weight: 800;
}

.store-button img {
  position: absolute;
  left: 28px;
  height: 26px;
}

.store-ios {
  background: #111827;
}

.store-google {
  background: #54b89b;
}

.store-android {
  background: #5aba77;
}

.video-card {
  display: block;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  padding: 16px;
  color: #111827;
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(17, 24, 39, 0.06);
}

.video-card strong {
  display: block;
  font-size: 17px;
  margin-bottom: 6px;
}

.video-card span {
  color: #667085;
  font-size: 14px;
}

.video-frame {
  width: calc(100% - 36px);
  margin: 18px;
  border-radius: 8px;
  background: #000000;
}

.manual-content {
  padding: 0 18px 28px;
}

.manual-pages {
  padding: 0 0 96px;
}

.manual-page-image {
  display: block;
  width: 100%;
  height: auto;
}

.wechat-mask {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.72);
  align-items: flex-start;
  justify-content: center;
}

.wechat-mask img {
  width: min(100%, 550px);
}

.ziot-home .language-container {
  position: absolute;
  right: 14px;
  top: 14px;
  z-index: 5;
}

.ziot-home .download-hint {
  margin-right: 0;
  margin-left: 0;
  border-radius: 0;
}

.ziot-banner {
  position: relative;
  min-height: 220px;
  overflow: hidden;
}

.download-page {
  background: #ffffff;
  height: 100%;
  overflow-y: auto;
  max-width: 750px;
  margin: 0 auto;
  position: relative;
  width: 100%;
  z-index: 2;
}

@-webkit-keyframes fadeInScale {
  from {
    opacity: 0;
    -webkit-transform: scale(0.9);
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    -webkit-transform: scale(0.9);
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    -webkit-transform: scale(1);
    transform: scale(1);
  }
}

.download-page .home-banner img {
  width: 100%;
}

.download-page .home-actions {
  position: relative;
  z-index: 2;
}

.download-page .home-action-group {
  display: flex;
  justify-content: center;
  padding: 0.36rem 0.26rem 0rem 0.32rem;
}

.download-page .home-action-list {
  display: inline-block;
  margin-bottom: 0.28rem;
}

.download-page .home-action-link {
  border: 1px solid #333;
  border-radius: 0.24rem;
  display: flex;
  height: 0.8rem;
  width: 5rem;
  align-items: center;
  color: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
  cursor: pointer;
  outline: none;
  opacity: 0;
  -webkit-transform: scale(0.9);
  transform: scale(0.9);
}

.download-page .home-action-icon {
  height: 0.5rem;
  margin-right: 0.12rem;
  margin-left: 0.22rem;
  width: 0.5rem;
}

.download-page .home-action-text {
  flex: 1;
  text-align: center;
}

.download-page .home-action-arrow {
  height: 0.2rem;
  margin-right: 0.12rem;
  margin-left: 0.12rem;
  width: 0.2rem;
}

.download-page .home-action-link span {
  color: #333;
  font-family:
    PingFangSC,
    PingFang SC;
  font-size: 0.3rem;
  font-weight: 400;
}

.download-page .home-action-primary {
  margin-top: 0.28rem;
  margin-bottom: 0.36rem;
  background: #1a1a1a;
  border-color: #1a1a1a;
}

.download-page .home-action-primary span {
  color: #ffffff !important;
}

.download-page .home-action-primary .home-action-icon {
  filter: brightness(0) invert(1);
}

.download-page .home-action-primary .home-action-arrow {
  filter: invert(1);
}

.download-page .home-action-link:not(.home-action-primary) {
  margin-bottom: 0.36rem;
}

.download-page .home-action-video {
  margin-bottom: 0.36rem;
}

.download-page .home-action-link.is-hidden {
  visibility: hidden;
}

.download-page .home-action-link.animate-fade-in {
  -webkit-animation: fadeInScale 0.5s ease-out forwards;
  animation: fadeInScale 0.5s ease-out forwards;
}

.download-page .ads-container {
  position: fixed;
  bottom: 0;
  left: 0;
  background: #ffffff;
  width: 100%;
  z-index: 100;
}

.download-page .home-features {
  margin: 0 0 0.4rem;
  padding-bottom: 1.5rem;
  position: relative;
  z-index: 2;
}

.download-page .home-feature-intro {
  display: flex;
  height: 3.7rem;
  justify-content: space-between;
  padding-right: 0.44rem;
}

.download-page .home-feature-intro img {
  height: 3.48rem;
  margin-right: 0.44rem;
  width: 3.25rem;
}

.download-page .home-feature-intro .home-feature-copy {
  box-sizing: border-box;
  display: flex;
  height: 100%;
  padding-bottom: 0.7rem;
  align-items: center;
}

.download-page .home-feature-body {
  color: #333;
  font-family:
    PingFangSC,
    PingFang SC;
  font-size: 0.21rem;
  font-weight: 400;
  line-height: 0.28rem;
}

.download-page .home-feature-emphasis {
  font-size: 0.26rem;
  font-weight: 600;
}

.download-page .home-feature-preview {
  display: flex;
  height: 4rem;
  padding: 0.56rem 0.44rem 0 0.12rem;
  box-sizing: border-box;
  justify-content: space-between;
}

.download-page .home-feature-preview img {
  margin-right: 0.3rem;
  width: 3.2rem;
}

.download-page .home-feature-preview .home-feature-copy {
  flex: 1;
  text-align: right;
  margin-right: 0.44rem;
}

.download-page .home-feature-brand {
  color: #3472f9;
  display: inline-block;
  font-family: Chalkboard, "Chalkboard", "ChalkboardSE-Regular", sans-serif;
  font-size: 0.32rem;
  font-weight: 400;
  margin: 0.4rem 0 0.24rem;
  position: relative;
}

.download-page .home-feature-title {
  color: #333;
  display: inline-block;
  font-family:
    PingFangSC,
    PingFang SC;
  font-size: 0.32rem;
  font-weight: 600;
  margin: 0.4rem 0 0.24rem;
  position: relative;
}

.download-page .home-title-underline {
  background: rgba(16, 121, 255, 0.4);
  bottom: -2px;
  height: 0.1rem;
  left: 50%;
  position: absolute;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  width: 0.86rem;
}

.download-page .home-feature-preview .home-feature-line {
  color: #333;
  font-family:
    PingFangSC,
    PingFang SC;
  font-size: 0.3rem;
  font-weight: 500;
  line-height: 0.44rem;
}

.download-page .home-feature-playback,
.download-page .home-feature-setup {
  display: flex;
  height: 4rem;
  padding: 0.48rem 0.14rem 0 0.42rem;
  box-sizing: border-box;
  justify-content: space-between;
}

.download-page .home-feature-playback img,
.download-page .home-feature-setup img {
  margin-left: 0.5rem;
  height: auto;
  width: 3.2rem;
}

.download-page .home-feature-playback .home-feature-copy,
.download-page .home-feature-setup .home-feature-copy {
  flex: 1;
  text-align: left;
}

.download-page .home-feature-playback .home-feature-brand,
.download-page .home-feature-setup .home-feature-brand {
  margin: 0.4rem 0 0.1rem;
}

.download-page .home-feature-playback .home-feature-title,
.download-page .home-feature-setup .home-feature-title {
  display: block;
  font-weight: 900;
  margin: 0.1rem 0 0.2rem;
}

.download-page .home-feature-playback .home-feature-line,
.download-page .home-feature-setup .home-feature-line {
  color: #333;
  font-family:
    PingFangSC,
    PingFang SC;
  font-size: 0.24rem;
  font-weight: 400;
  line-height: 0.4rem;
}