body.workbench-courseware-detail .zuojing-doc-previews {
  margin-top: 16px;
  padding: 24px;
  border: 1px solid var(--courseware-line);
  border-radius: 20px;
  background: rgba(255, 253, 252, .86);
  box-shadow: 0 12px 30px rgba(56, 48, 39, .07);
}

body.workbench-courseware-detail .zuojing-section-head {
  margin-bottom: 18px;
}

body.workbench-courseware-detail .zuojing-section-head > span {
  display: block;
  margin-bottom: 4px;
  color: var(--courseware-sage);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .08em;
}

body.workbench-courseware-detail .zuojing-section-head h2 {
  margin: 0 0 5px;
  color: var(--courseware-ink);
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.2;
  letter-spacing: -.025em;
}

body.workbench-courseware-detail .zuojing-section-head p {
  margin: 0;
  color: var(--courseware-muted);
  font-size: 13px;
}

body.workbench-courseware-detail .zuojing-doc-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

body.workbench-courseware-detail .zuojing-doc-card {
  min-width: 0;
  padding: 12px;
  border: 1px solid rgba(221, 209, 196, .94);
  border-radius: 15px;
  background: #faf6f1;
}

body.workbench-courseware-detail .zuojing-doc-card h3 {
  margin: 0 0 10px;
  color: var(--courseware-ink);
  font-size: 15px;
  line-height: 1.35;
}

body.workbench-courseware-detail .zuojing-doc-sheet {
  position: relative;
  overflow: hidden;
  margin: 0;
  aspect-ratio: 1350 / 1280;
  border: 1px solid rgba(65, 90, 119, .13);
  border-radius: 10px;
  background: #fff;
}

body.workbench-courseware-detail .zuojing-doc-sheet::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 16%;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, .94));
}

body.workbench-courseware-detail .zuojing-doc-sheet img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
}

body.workbench-courseware-detail .zuojing-purchase {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px;
  border: 1px solid rgba(68, 117, 93, .34);
  border-radius: 20px;
  background: #eef3ed;
  box-shadow: 0 12px 30px rgba(68, 117, 93, .09);
}

body.workbench-courseware-detail .zuojing-purchase-copy {
  min-width: 0;
}

body.workbench-courseware-detail .zuojing-price {
  margin: 0 0 10px;
  color: var(--courseware-ink);
  font-size: 17px;
  font-weight: 800;
}

body.workbench-courseware-detail .zuojing-price strong {
  margin-left: 5px;
  color: var(--courseware-sage);
  font-size: 30px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

body.workbench-courseware-detail .zuojing-purchase-copy > p:not(.zuojing-price) {
  margin: 2px 0 0;
  color: var(--courseware-ink);
  font-size: 14px;
}

body.workbench-courseware-detail .zuojing-purchase-button {
  flex: 0 0 auto;
  min-width: 136px;
  min-height: 46px;
  padding: 10px 20px;
  border: 1px solid var(--courseware-sage);
  border-radius: 10px;
  color: #fffdfc;
  background: var(--courseware-sage);
  box-shadow: 0 9px 20px rgba(68, 117, 93, .18);
  cursor: pointer;
  font: inherit;
  font-size: 15px;
  font-weight: 850;
  transition: background .18s ease, border-color .18s ease, box-shadow .18s ease;
}

body.workbench-courseware-detail .zuojing-purchase-button:hover {
  border-color: #35644e;
  background: #35644e;
  box-shadow: 0 11px 24px rgba(68, 117, 93, .24);
}

@media (max-width: 640px) {
  body.workbench-courseware-detail .zuojing-doc-previews,
  body.workbench-courseware-detail .zuojing-purchase {
    padding: 16px;
    border-radius: 16px;
  }

  body.workbench-courseware-detail .zuojing-doc-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  body.workbench-courseware-detail .zuojing-doc-card {
    padding: 11px;
  }

  body.workbench-courseware-detail .zuojing-purchase {
    align-items: stretch;
    flex-direction: column;
    gap: 16px;
  }

  body.workbench-courseware-detail .zuojing-purchase-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  body.workbench-courseware-detail .zuojing-purchase-button {
    transition-duration: .01ms !important;
  }
}