html,
body {
  overflow-x: hidden;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(59, 130, 246, 0.12), transparent 30%),
    linear-gradient(180deg, #f8fbff 0%, #eef4fb 100%);
  color: #0f172a;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
  background: rgba(245, 249, 255, 0.78);
  border-bottom: 1px solid #e5e7eb;
}

.brand {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 12px 8px 12px 6px;
  min-height: 96px;
  margin: auto;
  max-width: 1200px;
}

.brandRow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  gap: 24px;
}

.logoBox {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 72px;
}

.logoBoxLeft {
  width: 140px;
}

.logoBoxRight {
  width: 170px;
}

.brandLeft {
  display: flex;
  align-items: center;
  gap: 110px;
  flex: 1;
  min-width: 0;
}

.brandText {
  min-width: 0;
}

.brandRight {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  margin-left: 0;
}

.brandLogo {
  height: 100%;
  width: 100%;
  object-fit: contain;
  display: block;
}

.logoBoxLeft .brandLogo {
  transform: scale(1.67);
  transform-origin: left center;
}

.brandTitle {
  font-size: 22px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.2px;
  color: #0f172a;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brandSub {
  font-size: 12px;
  font-weight: 600;
  color: #64748b;
  margin-top: 4px;
}

.pageShell {
  min-height: calc(100vh - 260px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 56px 18px;
}

.downloadCard {
  width: 100%;
  max-width: 720px;
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid #e5e7eb;
  border-radius: 24px;
  padding: 42px 34px;
  text-align: center;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

.badge {
  display: inline-flex;
  padding: 8px 14px;
  border-radius: 999px;
  background: #e0f2fe;
  color: #075985;
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 16px;
}

.downloadCard h1 {
  margin: 0;
  font-size: 34px;
  line-height: 1.15;
  font-weight: 900;
  color: #0f172a;
}

.introText {
  margin: 16px auto 30px;
  max-width: 560px;
  font-size: 16px;
  line-height: 1.6;
  color: #475569;
}

.buttonGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.downloadButton {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 15px 18px;
  border-radius: 14px;
  background: #1d4ed8;
  color: white;
  text-decoration: none;
  font-weight: 900;
  font-size: 16px;
  box-shadow: 0 10px 22px rgba(29, 78, 216, 0.22);
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.downloadButton:hover {
  transform: translateY(-2px);
  background: #1e40af;
  box-shadow: 0 14px 26px rgba(29, 78, 216, 0.28);
}

.downloadButton.secondary {
  background: #0f766e;
  box-shadow: 0 10px 22px rgba(15, 118, 110, 0.22);
}

.downloadButton.secondary:hover {
  background: #115e59;
  box-shadow: 0 14px 26px rgba(15, 118, 110, 0.28);
}

.cbqapFooter {
  background: #0f172a;
  color: #e5e7eb;
  padding: 34px 18px 18px;
}

.cbqapFooterInner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1.2fr;
  gap: 26px;
}

.cbqapFooterBlock {
  min-width: 0;
}

.footerCenter {
  text-align: center;
}

.cbqapFooterTitle {
  font-size: 14px;
  font-weight: 900;
  margin-bottom: 8px;
  color: #ffffff;
}

.cbqapFooterText {
  font-size: 13px;
  line-height: 1.55;
  color: #cbd5e1;
}

.cbqapFooterText a {
  color: #93c5fd;
  text-decoration: none;
}

.cbqapFooterText a:hover {
  text-decoration: underline;
}

.cbqapFooterBottom {
  max-width: 1200px;
  margin: 24px auto 0;
  padding-top: 16px;
  border-top: 1px solid rgba(226, 232, 240, 0.18);
  text-align: center;
  font-size: 12px;
  color: #94a3b8;
}

@media (max-width: 820px) {
  .brandRow {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .logoBox {
    height: 64px;
  }

  .logoBoxLeft {
    width: 210px;
  }

  .logoBoxRight {
    width: 160px;
  }

  .logoBoxLeft .brandLogo {
    transform: scale(1.25);
  }

  .brandTitle {
    white-space: normal;
  }

  .brandLeft {
    gap: 20px;
  }

  .pageShell {
    padding: 34px 14px;
  }

  .downloadCard {
    padding: 30px 20px;
    border-radius: 20px;
  }

  .downloadCard h1 {
    font-size: 26px;
  }

  .buttonGrid {
    grid-template-columns: 1fr;
  }

  .cbqapFooterInner {
    grid-template-columns: 1fr;
  }
}