:root {

  --tg-primary: #0088cc;

  --tg-secondary: #318fd3;

  --tg-bg: #ffffff;

  --tg-surface: #ffffff;

  --tg-surface-soft: #f5f8fb;

  --tg-text: #333333;

  --tg-heading: #222222;

  --tg-muted: #6f7f89;

  --tg-border: rgba(0, 0, 0, 0.12);

  --tg-on-primary: var(--on-primary, #ffffff);

  --tg-radius: 8px;

  --tg-radius-sm: 3px;

  --tg-fast: 180ms ease;

}



* {

  box-sizing: border-box;

}



html {

  background: var(--tg-bg);

  color: var(--tg-text);

  font-family: "Lucida Grande", "Lucida Sans Unicode", "PingFang SC", "Microsoft YaHei", Arial, Helvetica, Verdana, sans-serif;

  letter-spacing: 0;

  text-size-adjust: 100%;

}



body {

  margin: 0;

  background: var(--tg-bg);

  color: var(--tg-text);

  font-size: 15px;

  line-height: 1.6;

}



img,

svg {

  display: block;

  max-width: 100%;

}



a {

  color: var(--tg-primary);

  text-decoration: none;

  transition: color var(--tg-fast), background-color var(--tg-fast), border-color var(--tg-fast), transform var(--tg-fast);

}



a:hover,

a:focus-visible {

  color: var(--tg-secondary);

}



a:focus-visible {

  outline: 2px solid var(--tg-primary);

  outline-offset: 3px;

}



.tg-container {

  width: min(100% - 32px, 980px);

  margin: 0 auto;

}



.tg-topbar {

  min-height: 50px;

  border-bottom: 1px solid var(--tg-border);

  background: var(--tg-surface);

}



.tg-nav {

  display: flex;

  align-items: center;

  justify-content: space-between;

  min-height: 50px;

  gap: 20px;

}



.tg-nav-brand,

.tg-footer-brand {

  display: inline-flex;

  align-items: center;

  gap: 10px;

  color: var(--tg-heading);

  font-size: 18px;

  font-weight: 700;

}



.tg-nav-brand img,

.tg-footer-brand img {

  width: 32px;

  height: 32px;

}



.tg-nav-links {

  display: flex;

  align-items: center;

  gap: 22px;

  font-size: 14px;

}



.tg-nav-links a {

  color: var(--tg-text);

}



.tg-nav-links a:hover,

.tg-nav-links a:focus-visible {

  color: var(--tg-primary);

}



body .site-header.wh-unified-site-header .wh-site-header-brand,

body .site-header.wh-unified-site-header .wh-site-header-brand-text {

  line-height: 1.35;

}



body .site-header.wh-unified-site-header .wh-site-header-brand-text {

  min-height: 1.35em;

}



.tg-hero {

  padding: 16px 0 44px;

}



.tg-hero-head {

  position: relative;

  min-height: 286px;

}



.tg-logo-wrap {

  width: min(100%, 400px);

  margin: 0 auto;

  padding-top: 28px;

  text-align: center;

}



.tg-logo-mark {

  width: 118px;

  height: 118px;

  margin: 0 auto 10px;

}



.tg-wordmark {

  margin: 0;

  color: var(--tg-heading);

  font-size: 54px;

  font-weight: 700;

  line-height: 1.12;

  padding-bottom: 2px;

}



.tg-logo-lead {

  margin: 8px 0 0;

  color: var(--tg-heading);

  font-size: 20px;

  line-height: 1.35;

}



.tg-logo-sublead {

  margin: 10px auto 0;

  max-width: 360px;

  color: var(--tg-muted);

  font-size: 14px;

}



.tg-side-news {

  position: absolute;

  top: 10px;

  right: 0;

  width: 252px;

}



.tg-side-news-title {

  display: block;

  margin-bottom: 8px;

  color: var(--tg-heading);

  font-weight: 700;

}



.tg-side-news-list {

  display: grid;

  gap: 2px;

}



.tg-side-news-item {

  display: grid;

  grid-template-columns: 52px 1fr;

  gap: 12px;

  padding: 8px 0;

  color: var(--tg-text);

  border-top: 1px solid var(--tg-border);

}



.tg-side-news-item span {

  color: var(--tg-muted);

  font-size: 12px;

}



.tg-side-news-item strong {

  color: var(--tg-primary);

  font-size: 12px;

  font-weight: 700;

  line-height: 1.35;

}



.tg-download-mobile {

  display: grid;

  grid-template-columns: repeat(2, minmax(0, 1fr));

  width: min(100% - 32px, 740px);

  min-height: 300px;

  margin-top: 22px;

  overflow: hidden;

}



.tg-download-device {

  position: relative;

  min-height: 300px;

  padding: 0 16px 22px;

  color: var(--tg-primary);

  text-align: center;

}



.tg-download-device:hover,

.tg-download-device:focus-visible {

  color: var(--tg-secondary);

  transform: translateY(-2px);

}



.tg-device-label {

  position: absolute;

  left: 16px;

  right: 16px;

  bottom: 4px;

  z-index: 1;

  font-size: 15px;

}



.tg-device-visual {

  display: block;

  width: 304px;

  height: 240px;

  max-width: 100%;

  margin: 0 auto 32px;

  background-repeat: no-repeat;

  background-position: center top;

  background-size: contain;

}



.is-android .tg-device-visual {

  background-image: url("/images/android-preview.webp");

}



.is-ios .tg-device-visual {

  background-image: url("/images/ios-preview.webp");

}



.tg-more-wrap {

  width: min(100% - 32px, 740px);

  text-align: center;

}



.tg-more-btn,

.tg-primary-cta {

  display: inline-flex;

  align-items: center;

  justify-content: center;

  min-height: 40px;

  padding: 9px 18px;

  border: 1px solid var(--tg-primary);

  border-radius: var(--tg-radius-sm);

  background: var(--tg-primary);

  color: var(--tg-on-primary);

  font-weight: 700;

  line-height: 1.2;

}



.tg-more-btn:hover,

.tg-more-btn:focus-visible,

.tg-primary-cta:hover,

.tg-primary-cta:focus-visible {

  border-color: var(--tg-secondary);

  background: var(--tg-secondary);

  color: var(--tg-on-primary);

}



.tg-desktop-section {

  width: min(100% - 32px, 740px);

  margin-top: 42px;

}



.tg-desktop-preview {

  position: relative;

  min-height: 300px;

  overflow: hidden;

  border: 1px solid var(--tg-border);

  border-radius: var(--tg-radius);

  background-color: var(--tg-surface-soft);

  background-image: url("/images/desktop-preview.webp");

  background-repeat: no-repeat;

  background-position: center top;

  background-size: cover;

}



.tg-desktop-links {

  position: absolute;

  left: 0;

  right: 0;

  bottom: 16px;

  display: flex;

  justify-content: center;

  gap: 24px;

  padding: 0 20px;

}



.tg-desktop-links a {

  color: var(--tg-primary);

  font-size: 15px;

  font-weight: 500;

}



.tg-section {

  padding: 48px 0;

  border-top: 1px solid var(--tg-border);

}



.tg-section-head {

  display: flex;

  align-items: end;

  justify-content: space-between;

  gap: 16px;

  margin-bottom: 18px;

}



.tg-section h2,

.tg-main-body-header {

  margin: 0;

  color: var(--tg-heading);

  font-size: 23px;

  font-weight: 500;

  line-height: 1.2;

}



.tg-news-grid {

  display: grid;

  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 0;

}



.tg-news-card {

  display: block;

  padding: 15px;

  color: var(--tg-text);

  border: 1px solid transparent;

  border-radius: var(--tg-radius);

}



.tg-news-card:hover,

.tg-news-card:focus-visible {

  border-color: var(--tg-border);

  background: var(--tg-surface);

  color: var(--tg-text);

}



.tg-news-card img {

  width: 100%;

  aspect-ratio: 1.53;

  object-fit: cover;

  border-radius: var(--tg-radius-sm);

}



.tg-news-card span {

  display: block;

  margin-top: 12px;

  color: var(--tg-muted);

  font-size: 13px;

}



.tg-news-card h2,

.tg-news-card h3 {

  margin: 7px 0 7px;

  color: var(--tg-primary);

  font-size: 18px;

  line-height: 1.4;

}



.tg-news-card p {

  margin: 0;

  color: var(--tg-muted);

  font-size: 14px;

}



.tg-feature-grid {

  display: grid;

  grid-template-columns: repeat(3, minmax(0, 1fr));

  gap: 34px 56px;

  margin-top: 28px;

}



.tg-feature-grid article {

  text-align: center;

}



.tg-feature-icon {

  display: grid;

  place-items: center;

  width: 132px;

  height: 132px;

  margin: 0 auto 14px;

  border: 1px solid var(--tg-border);

  border-radius: 50%;

  color: var(--tg-primary);

  background: var(--tg-surface);

}



.tg-feature-icon svg {

  width: 58px;

  height: 58px;

  fill: none;

  stroke: currentColor;

  stroke-linecap: round;

  stroke-linejoin: round;

  stroke-width: 2.2;

}



.tg-feature-grid h3 {

  margin: 0 0 8px;

  color: var(--tg-primary);

  font-size: 26px;

  font-weight: 400;

  line-height: 1.1;

}



.tg-feature-grid p {

  margin: 0;

  color: var(--tg-muted);

  font-size: 14px;

}



.tg-page-shell {

  padding: 42px 0 64px;

}



.tg-narrow {

  width: min(100% - 32px, 800px);

  margin: 0 auto;

}



.tg-page-title {

  margin-bottom: 30px;

}



.tg-page-title h1,

.tg-article-head h1 {

  margin: 0 0 12px;

  color: var(--tg-heading);

  font-size: 32px;

  line-height: 1.25;

}



.tg-page-title p,

.tg-article-head p {

  margin: 0;

  max-width: 660px;

  color: var(--tg-muted);

}



.tg-apps-summary {

  padding: 24px 0;

  border-top: 1px solid var(--tg-border);

}



.tg-apps-summary h2,

.tg-source-note h2,

.tg-download-cta h2 {

  margin: 0 0 12px;

  color: var(--tg-heading);

  font-size: 20px;

  line-height: 1.3;

}



.tg-app-link-grid {

  display: grid;

  grid-template-columns: repeat(2, minmax(0, 1fr));

  gap: 10px;

}



.tg-app-link-grid a {

  padding: 12px 14px;

  border: 1px solid var(--tg-border);

  border-radius: var(--tg-radius-sm);

  background: var(--tg-surface);

  font-weight: 700;

}



.tg-app-link-grid a:hover,

.tg-app-link-grid a:focus-visible {

  border-color: var(--tg-primary);

}



.tg-download-cta {

  display: grid;

  grid-template-columns: 1fr auto;

  gap: 20px;

  align-items: center;

  margin: 28px 0;

  padding: 20px;

  border: 1px solid var(--tg-border);

  border-radius: var(--tg-radius);

  background: var(--tg-surface-soft);

}



.tg-download-cta p,

.tg-source-note p {

  margin: 0;

  color: var(--tg-muted);

}



.tg-source-note {

  padding: 24px 0;

  border-top: 1px solid var(--tg-border);

}



.tg-download-body {

  margin-top: 24px;

  padding-top: 24px;

  border-top: 1px solid var(--tg-border);

}



.tg-list-shell {

  width: min(100% - 32px, 860px);

}



.tg-list-title {

  width: min(100%, 680px);

}



.tg-news-grid-list {

  margin-top: 20px;

}



.tg-empty-state {

  grid-column: 1 / -1;

  padding: 32px;

  border: 1px solid var(--tg-border);

  border-radius: var(--tg-radius);

  background: var(--tg-surface-soft);

}



.tg-empty-state h2 {

  margin: 0 0 8px;

}



.tg-empty-state p {

  margin: 0 0 18px;

  color: var(--tg-muted);

}



.tg-article-layout {

  position: relative;

  display: grid;

  grid-template-columns: 220px minmax(0, 600px);

  column-gap: 48px;

  align-items: start;

  justify-content: center;

  width: min(100% - 32px, 980px);

  margin: 0 auto;

}



.tg-article-side {

  position: static;

  width: 220px;

}



.tg-article {

  width: 100%;

  max-width: 600px;

  margin: 0;

}



.tg-article-head {

  margin-bottom: 10px;

}



.tg-article-hero {

  width: 100%;

  aspect-ratio: 1.45;

  object-fit: cover;

  margin: 0 0 26px;

  border-radius: var(--tg-radius-sm);

}



.tg-prose {

  color: var(--tg-text);

  font-size: 16px;

  line-height: 1.75;

}



.tg-prose h2,

.tg-prose h3,

.tg-prose h4 {

  margin: 1.8em 0 0.65em;

  color: var(--tg-heading);

  line-height: 1.3;

}



.tg-prose p,

.tg-prose ul,

.tg-prose ol,

.tg-prose blockquote {

  margin: 0 0 1.1em;

}



.tg-prose a {

  font-weight: 700;

}



.tg-prose img {

  width: auto;

  height: auto;

  margin: 18px auto;

  border-radius: var(--tg-radius-sm);

}



.tg-prose blockquote {

  padding: 14px 18px;

  border-left: 3px solid var(--tg-primary);

  background: var(--tg-surface-soft);

  color: var(--tg-muted);

}



.tg-other-news {

  margin-top: 48px;

}



.tg-other-news h2 {

  margin-bottom: 18px;

}



.tg-content-section {

  padding-top: 24px;

}



.tg-footer {

  border-top: 1px solid var(--tg-border);

  background: var(--tg-surface);

}



.tg-footer-grid {

  display: grid;

  grid-template-columns: 1.5fr 1fr 1fr;

  gap: 36px;

  padding: 34px 0;

}



.tg-footer p {

  margin: 12px 0 0;

  color: var(--tg-muted);

}



.tg-footer h2 {

  margin: 0 0 12px;

  color: var(--tg-heading);

  font-size: 15px;

}



.tg-footer a:not(.tg-footer-brand) {

  display: block;

  margin: 7px 0;

  color: var(--tg-muted);

}



.tg-footer a:not(.tg-footer-brand):hover,

.tg-footer a:not(.tg-footer-brand):focus-visible {

  color: var(--tg-primary);

}



@media (max-width: 980px) {

  .tg-side-news,

  .tg-article-side {

    position: static;

    width: min(100%, 600px);

    margin: 0 auto 24px;

  }



  .tg-hero-head {

    min-height: auto;

  }



  .tg-logo-wrap {

    padding-top: 14px;

  }



  .tg-article-layout {

    display: block;

  }



  .tg-article {

    margin: 0 auto;

  }

}



@media (max-width: 760px) {

  .tg-container,

  .tg-narrow,

  .tg-list-shell,

  .tg-article-layout {

    width: min(100% - 24px, 980px);

  }



  .tg-nav {

    align-items: flex-start;

    flex-direction: column;

    padding: 10px 0 12px;

  }



  .tg-nav-links {

    flex-wrap: wrap;

    gap: 10px 16px;

  }



  .tg-wordmark {

    font-size: 42px;

  }



  .tg-download-mobile,

  .tg-news-grid,

  .tg-feature-grid,

  .tg-app-link-grid,

  .tg-download-cta,

  .tg-footer-grid {

    grid-template-columns: 1fr;

  }



  .tg-download-device {

    min-height: 270px;

  }



  .tg-device-visual {

    height: 214px;

  }



  .tg-desktop-links {

    position: static;

    flex-direction: column;

    align-items: center;

    gap: 8px;

    padding: 230px 16px 18px;

  }



  .tg-feature-grid {

    gap: 28px;

  }



  .tg-feature-icon {

    width: 112px;

    height: 112px;

  }



  .tg-feature-grid h3 {

    font-size: 23px;

  }



  .tg-page-title h1,

  .tg-article-head h1 {

    font-size: 27px;

  }

}