.post-article-content {
  --transform-ink: #10233f;
  --transform-muted: #5d6b80;
  --transform-line: #d7e2ef;
  --transform-blue: #2f7df4;
  --transform-cyan: #2dd4bf;
  --transform-gold: #f6c453;
  --transform-coral: #fb7185;
  --transform-panel: #0b1426;
  --transform-panel-soft: #121f35;
}

.post-article-content .katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0.15rem 0;
}

.transform-family-figure,
.post-article-content .transform-family-figure {
  margin: 1.8rem 0 2.1rem;
}

.transform-family-scroll {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  border-radius: 18px;
  scrollbar-color: rgba(47, 125, 244, 0.55) rgba(214, 226, 239, 0.65);
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.transform-family-scroll:focus-visible {
  outline: 3px solid rgba(47, 125, 244, 0.45);
  outline-offset: 4px;
}

.transform-family-scroll > img,
.transform-family-scroll .post-image-frame {
  box-sizing: border-box;
  width: 100%;
  min-width: 1000px;
}

.transform-family-scroll > img {
  max-width: none;
  height: auto;
}

.transform-family-scroll .post-image-frame {
  margin: 0;
}

.transform-family-scroll .post-image-main img {
  width: 100%;
  max-width: none;
  max-height: none;
}

.transform-family-figure figcaption,
.post-article-content .transform-family-figure figcaption {
  margin: 0.65rem 0 0;
  color: #68788d;
  font-size: 0.78rem;
  line-height: 1.55;
  text-align: center;
}

.transform-summary-grid,
.transform-choice-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.8rem 0 2rem;
}

.transform-summary-grid section,
.transform-choice-grid section {
  position: relative;
  margin: 0;
  padding: 1.15rem 1.2rem;
  overflow: hidden;
  border: 1px solid #d8e5f2;
  border-radius: 16px;
  background:
    radial-gradient(circle at 95% 5%, rgba(47, 125, 244, 0.14), transparent 38%),
    linear-gradient(145deg, #fbfdff, #f3f8fd);
  box-shadow: 0 12px 28px rgba(25, 56, 96, 0.08);
}

.transform-summary-grid section::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: linear-gradient(180deg, var(--transform-blue), var(--transform-cyan));
  content: "";
}

.transform-summary-grid h3,
.transform-choice-grid h3 {
  margin: 0.25rem 0 0.45rem;
  color: var(--transform-ink);
  font-size: 1.02rem;
  line-height: 1.35;
}

.transform-summary-grid p,
.transform-choice-grid p {
  margin: 0;
  color: var(--transform-muted);
  font-size: 0.88rem;
  line-height: 1.65;
}

.transform-summary-kicker {
  color: #2468c7;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.transform-choice-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.transform-choice-grid section:nth-child(2) {
  background:
    radial-gradient(circle at 95% 5%, rgba(45, 212, 191, 0.14), transparent 38%),
    linear-gradient(145deg, #fbfffe, #f0faf8);
}

.transform-choice-grid section:nth-child(3) {
  background:
    radial-gradient(circle at 95% 5%, rgba(246, 196, 83, 0.18), transparent 38%),
    linear-gradient(145deg, #fffefa, #fbf7e9);
}

.transform-choice-grid section:nth-child(4) {
  background:
    radial-gradient(circle at 95% 5%, rgba(251, 113, 133, 0.13), transparent 38%),
    linear-gradient(145deg, #fffdfd, #fff4f6);
}

.transform-note-callout {
  display: grid;
  grid-template-columns: minmax(9rem, 0.34fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  margin: 1.8rem 0;
  padding: 1rem 1.15rem;
  border: 1px solid #bad8ff;
  border-left: 5px solid var(--transform-blue);
  border-radius: 12px;
  background: #f2f8ff;
  color: #36506f;
  line-height: 1.65;
}

.transform-note-callout strong {
  color: #174f97;
}

.transform-lab {
  position: relative;
  margin: 2rem 0 2.4rem;
  padding: clamp(1rem, 2.7vw, 1.65rem);
  overflow: hidden;
  border: 1px solid rgba(124, 161, 211, 0.28);
  border-radius: 22px;
  background:
    radial-gradient(circle at 15% -10%, rgba(47, 125, 244, 0.22), transparent 33%),
    radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.16), transparent 30%),
    linear-gradient(155deg, #101c31, var(--transform-panel));
  box-shadow: 0 22px 52px rgba(5, 17, 36, 0.24);
  color: #eaf2ff;
  color-scheme: dark;
  isolation: isolate;
}

.transform-lab::after {
  position: absolute;
  z-index: -1;
  right: -8rem;
  bottom: -9rem;
  width: 20rem;
  height: 20rem;
  border: 1px solid rgba(45, 212, 191, 0.11);
  border-radius: 50%;
  box-shadow:
    0 0 0 2.5rem rgba(45, 212, 191, 0.025),
    0 0 0 5rem rgba(45, 212, 191, 0.02);
  content: "";
}

.transform-lab-heading {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.transform-lab-heading h3 {
  margin: 0.15rem 0 0;
  color: #f8fbff;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  line-height: 1.35;
}

.transform-lab-eyebrow {
  color: #7ce7d8;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.transform-lab-button,
.post-article-content .transform-lab-button {
  flex: 0 0 auto;
  width: auto;
  min-width: 6rem;
  height: auto;
  margin: 0;
  padding: 0.55rem 0.8rem;
  border: 1px solid rgba(139, 199, 255, 0.38);
  border-radius: 999px;
  background: rgba(18, 39, 67, 0.82);
  box-shadow: none;
  color: #ddecff;
  font-family: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.transform-lab-button:hover {
  border-color: #79d9ff;
  background: rgba(35, 83, 132, 0.86);
  transform: translateY(-1px);
}

.transform-lab-button:focus-visible,
.transform-lab select:focus-visible,
.transform-lab input:focus-visible {
  outline: 3px solid rgba(94, 234, 212, 0.48);
  outline-offset: 3px;
}

.transform-lab-controls {
  display: grid;
  grid-template-columns: minmax(12rem, 0.7fr) minmax(16rem, 1.3fr);
  gap: 0.8rem 1.1rem;
  align-items: end;
  margin: 0 0 1rem;
  padding: 0.85rem;
  border: 1px solid rgba(140, 173, 218, 0.18);
  border-radius: 14px;
  background: rgba(7, 16, 31, 0.42);
}

.transform-lab-controls-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.transform-lab-controls label {
  display: grid;
  gap: 0.42rem;
  margin: 0;
  color: #b9c9df;
  font-size: 0.76rem;
  font-weight: 700;
  line-height: 1.35;
}

.transform-lab-controls output {
  justify-self: start;
  min-width: 4.5rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: rgba(47, 125, 244, 0.18);
  color: #8fdff7;
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.transform-lab select {
  width: 100%;
  min-height: 2.3rem;
  margin: 0;
  padding: 0.38rem 2rem 0.38rem 0.65rem;
  border: 1px solid rgba(140, 173, 218, 0.32);
  border-radius: 9px;
  background-color: #14243c;
  color: #eef6ff;
  font: inherit;
}

.transform-lab input[type="range"] {
  width: 100%;
  min-height: 1.25rem;
  margin: 0;
  padding: 0;
  accent-color: var(--transform-cyan);
  cursor: pointer;
}

.transform-lab-canvases {
  display: grid;
  gap: 0.9rem;
}

.transform-lab-canvases-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.transform-lab figure,
.post-article-content .transform-lab figure {
  min-width: 0;
  margin: 0;
  padding: 0;
}

.transform-lab canvas {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  border: 1px solid rgba(151, 188, 238, 0.19);
  border-radius: 14px;
  background: rgba(4, 11, 23, 0.78);
  box-shadow: inset 0 0 32px rgba(53, 113, 184, 0.08);
  touch-action: pan-y;
}

.transform-lab-canvases-two canvas {
  aspect-ratio: 2 / 1;
}

.transform-lab-single-canvas canvas {
  aspect-ratio: 30 / 13;
}

.transform-lab figcaption,
.post-article-content .transform-lab figcaption {
  margin: 0.45rem 0 0;
  color: #8ea3bd;
  font-size: 0.72rem;
  line-height: 1.45;
  text-align: center;
}

.transform-lab-readout,
.post-article-content .transform-lab-readout {
  min-height: 1.45rem;
  margin: 0.9rem 0 0;
  color: #dce9f8;
  font-size: 0.82rem;
  line-height: 1.55;
  font-variant-numeric: tabular-nums;
}

.transform-lab-readout strong {
  color: #70e7d6;
}

.transform-lab.is-static .transform-lab-eyebrow::after {
  content: " · 已尊重系统的减少动态效果设置";
  color: #95a8bf;
  letter-spacing: 0;
}

@media (max-width: 820px) {
  .transform-summary-grid,
  .transform-choice-grid,
  .transform-lab-controls,
  .transform-lab-controls-three,
  .transform-lab-canvases-two {
    grid-template-columns: 1fr;
  }

  .transform-note-callout {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }

  .transform-lab-single-canvas canvas {
    aspect-ratio: 7 / 5;
  }
}

@media (max-width: 520px) {
  .transform-lab {
    margin-right: -0.55rem;
    margin-left: -0.55rem;
    border-radius: 16px;
  }

  .transform-lab-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .transform-lab-button,
  .post-article-content .transform-lab-button {
    align-self: flex-start;
  }

  .transform-lab-single-canvas canvas {
    aspect-ratio: 4 / 3;
  }
}

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

@media print {
  .transform-lab {
    break-inside: avoid;
    border: 1px solid #8090a5;
    background: #101827;
    box-shadow: none;
  }

  .transform-lab-button,
  .transform-lab-controls {
    display: none;
  }
}