:root {
  --gdt-ink: #eaf4ff;
  --gdt-muted: #a8bad0;
  --gdt-navy: #071525;
  --gdt-panel: #0c2034;
  --gdt-line: rgba(140, 192, 238, 0.24);
  --gdt-blue: #57c5ff;
  --gdt-gold: #f2be63;
}

.gemini-domestic-tutorial-landing .main > .sec-panel {
  display: none;
}

.gdt-landing {
  color: var(--gdt-ink);
  margin: 32px 0 56px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.gdt-landing *,
.gdt-landing *::before,
.gdt-landing *::after {
  box-sizing: border-box;
}

.gdt-landing h1,
.gdt-landing h2,
.gdt-landing h3,
.gdt-landing p {
  margin: 0;
}

.gdt-hero,
.gdt-section,
.gdt-workflow,
.gdt-reference {
  max-width: 1160px;
  margin-left: auto;
  margin-right: auto;
}

.gdt-hero {
  isolation: isolate;
  position: relative;
  min-height: 468px;
  overflow: hidden;
  border: 1px solid rgba(116, 192, 255, 0.38);
  border-radius: 26px;
  background: linear-gradient(122deg, #06111f 0%, #0c2943 62%, #123b63 100%);
  box-shadow: 0 26px 70px rgba(1, 9, 20, 0.38);
}

.gdt-hero::after {
  position: absolute;
  z-index: -1;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, #06111f 0%, rgba(6, 17, 31, 0.96) 33%, rgba(6, 17, 31, 0.46) 66%, rgba(6, 17, 31, 0.09) 100%);
}

.gdt-hero__copy {
  position: relative;
  z-index: 2;
  width: min(58%, 640px);
  padding: 74px 0 72px 70px;
}

.gdt-kicker {
  color: #a66b18;
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.16em;
  line-height: 1.4;
}

.gdt-hero .gdt-kicker,
.gdt-reference .gdt-kicker {
  color: var(--gdt-gold);
}

.gdt-hero h1 {
  max-width: 530px;
  margin-top: 12px;
  color: #fff;
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.16;
}

.gdt-hero__lead {
  max-width: 510px;
  margin-top: 22px !important;
  color: #d2e1f2;
  font-size: 16px;
  line-height: 1.9;
}

.gdt-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 31px;
}

.gdt-button {
  align-items: center;
  display: inline-flex;
  gap: 12px;
  justify-content: center;
  min-height: 46px;
  padding: 11px 18px;
  border-radius: 999px;
  color: #fff !important;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.35;
  text-decoration: none !important;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.gdt-button:hover,
.gdt-button:focus-visible {
  color: #fff !important;
  text-decoration: none !important;
  transform: translateY(-2px);
}

.gdt-button:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}

.gdt-button--primary {
  background: linear-gradient(112deg, #228ed8, #61d0ff 52%, #f1bb67 115%);
  box-shadow: 0 12px 28px rgba(29, 151, 222, 0.24);
}

.gdt-button--primary:hover,
.gdt-button--primary:focus-visible {
  background: linear-gradient(112deg, #319de4, #71d8ff 52%, #f7c776 115%);
  box-shadow: 0 14px 33px rgba(29, 151, 222, 0.4);
}

.gdt-button--quiet {
  border: 1px solid rgba(180, 218, 250, 0.48);
  background: rgba(3, 18, 33, 0.5);
}

.gdt-button--quiet:hover,
.gdt-button--quiet:focus-visible {
  background: rgba(42, 104, 158, 0.54);
}

.gdt-button--light {
  flex: 0 0 auto;
  background: #e9f6ff;
  color: #08233b !important;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
}

.gdt-button--light:hover,
.gdt-button--light:focus-visible {
  background: #fff;
  color: #08233b !important;
}

.gdt-hero__art {
  position: absolute;
  z-index: -2;
  inset: 0;
  margin: 0;
}

.gdt-hero__art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.gdt-section {
  margin-top: 74px;
}

.gdt-section__heading {
  max-width: 630px;
}

.gdt-section__heading h2,
.gdt-reference h2 {
  margin-top: 10px;
  color: #0b2a43;
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.23;
}

.gdt-section__heading > p:last-child {
  margin-top: 15px;
  color: #50677d;
  font-size: 16px;
  line-height: 1.8;
}

.gdt-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 0;
  margin: 30px 0 0;
  list-style: none;
}

.gdt-step {
  position: relative;
  display: flex;
  gap: 20px;
  min-height: 193px;
  padding: 27px 28px;
  overflow: hidden;
  border: 1px solid var(--gdt-line);
  border-radius: 18px;
  background: linear-gradient(140deg, rgba(13, 37, 59, 0.94), rgba(6, 20, 34, 0.97));
  box-shadow: inset 0 1px 0 rgba(210, 237, 255, 0.04);
}

.gdt-step::after {
  position: absolute;
  right: -36px;
  bottom: -44px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  content: "";
  background: radial-gradient(circle, rgba(74, 187, 255, 0.14), transparent 69%);
}

.gdt-step__number {
  display: grid;
  flex: 0 0 50px;
  width: 50px;
  height: 50px;
  place-items: center;
  border: 1px solid rgba(102, 201, 255, 0.26);
  border-radius: 50%;
  background: rgba(65, 159, 216, 0.16);
  color: #76d8ff;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.gdt-step h3,
.gdt-checklist h3 {
  color: #f0f7ff;
  font-size: 20px;
  font-weight: 750;
  line-height: 1.4;
}

.gdt-step p,
.gdt-checklist p,
.gdt-reference > div > p {
  margin-top: 9px !important;
  color: var(--gdt-muted);
  font-size: 15px;
  line-height: 1.82;
}

.gdt-workflow {
  position: relative;
  overflow: hidden;
  margin-top: 32px;
  border: 1px solid var(--gdt-line);
  border-radius: 22px;
  background: #071426;
}

.gdt-workflow::after {
  position: absolute;
  inset: 0;
  pointer-events: none;
  content: "";
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.03);
}

.gdt-workflow img {
  display: block;
  width: 100%;
  height: auto;
}

.gdt-workflow figcaption {
  padding: 13px 20px 15px;
  border-top: 1px solid rgba(127, 190, 239, 0.15);
  background: rgba(6, 20, 34, 0.88);
  color: #a8bad0;
  font-size: 13px;
  line-height: 1.65;
}

.gdt-section--checklist {
  margin-top: 74px;
}

.gdt-checklist {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.gdt-checklist article {
  min-height: 218px;
  padding: 28px;
  border: 1px solid rgba(130, 186, 231, 0.2);
  border-radius: 18px;
  background: rgba(10, 30, 49, 0.68);
}

.gdt-checklist span {
  display: inline-block;
  margin-bottom: 23px;
  color: var(--gdt-gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.gdt-reference {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 58px;
  padding: 38px 40px;
  overflow: hidden;
  border: 1px solid rgba(99, 185, 246, 0.34);
  border-radius: 21px;
  background: linear-gradient(113deg, #09304c 0%, #164c75 56%, #28658e 100%);
}

.gdt-reference > div {
  max-width: 690px;
}

.gdt-reference > div > p {
  color: #d5e7f6;
}

.gdt-reference h2 {
  color: #fff;
}

@media (max-width: 1199px) {
  .gdt-hero,
  .gdt-section,
  .gdt-workflow,
  .gdt-reference {
    margin-left: 18px;
    margin-right: 18px;
  }
}

@media (max-width: 767px) {
  .gdt-landing {
    margin-top: 18px;
    margin-bottom: 38px;
  }

  .gdt-hero,
  .gdt-section,
  .gdt-workflow,
  .gdt-reference {
    margin-left: 0;
    margin-right: 0;
  }

  .gdt-hero {
    min-height: 596px;
    border-radius: 18px;
  }

  .gdt-hero::after {
    background: linear-gradient(180deg, rgba(6, 17, 31, 0.09) 0%, rgba(6, 17, 31, 0.58) 35%, #06111f 69%, #06111f 100%);
  }

  .gdt-hero__copy {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 44px 25px 28px;
  }

  .gdt-hero h1 {
    max-width: 340px;
    font-size: 34px;
  }

  .gdt-hero__lead {
    margin-top: 14px !important;
    font-size: 14px;
    line-height: 1.75;
  }

  .gdt-hero__actions {
    gap: 9px;
    margin-top: 20px;
  }

  .gdt-button {
    flex: 1 1 100%;
    min-height: 43px;
    padding: 10px 14px;
    font-size: 13px;
  }

  .gdt-section,
  .gdt-section--checklist {
    margin-top: 48px;
  }

  .gdt-section__heading h2,
  .gdt-reference h2 {
    font-size: 27px;
  }

  .gdt-section__heading > p:last-child {
    font-size: 14px;
  }

  .gdt-steps,
  .gdt-checklist {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 22px;
  }

  .gdt-step {
    min-height: 0;
    gap: 14px;
    padding: 22px 18px;
  }

  .gdt-step__number {
    flex-basis: 42px;
    width: 42px;
    height: 42px;
    font-size: 11px;
  }

  .gdt-step h3,
  .gdt-checklist h3 {
    font-size: 18px;
  }

  .gdt-step p,
  .gdt-checklist p,
  .gdt-reference > div > p {
    font-size: 14px;
    line-height: 1.72;
  }

  .gdt-workflow {
    margin-top: 18px;
    border-radius: 15px;
  }

  .gdt-workflow figcaption {
    padding: 11px 14px 12px;
    font-size: 12px;
  }

  .gdt-checklist article {
    min-height: 0;
    padding: 23px 20px;
  }

  .gdt-checklist span {
    margin-bottom: 16px;
  }

  .gdt-reference {
    display: block;
    margin-top: 38px;
    padding: 30px 23px;
    border-radius: 18px;
  }

  .gdt-reference .gdt-button {
    margin-top: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .gdt-button {
    transition: none;
  }
}
