.showcase-nav {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 24px;
  background: #10251f;
  border-bottom: 1px solid #ffffff20;
}
.showcase-nav a {
  font-size: 14px;
  color: #edece2;
  text-decoration: none;
}
.showcase-nav a:hover {
  color: #e7c58e;
}
.media-section {
  padding: 100px max(6vw, 24px);
  background: #0b1d18;
  color: #f3f1e8;
  scroll-margin-top: 84px;
}
.media-heading {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  align-items: end;
  gap: 70px;
  margin-bottom: 44px;
}
.media-heading h2 {
  font-size: clamp(32px, 4vw, 58px);
  line-height: 1.2;
  letter-spacing: -0.035em;
  margin: 16px 0 0;
}
.media-heading > p {
  max-width: 440px;
  font-size: 16px;
  line-height: 1.9;
  color: #b9c7be;
  margin: 0;
}
.video-workbench {
  background: #06100d;
  border: 1px solid #ffffff25;
}
.video-toolbar {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 24px;
}
.video-toolbar h3 {
  margin: 0;
  font-size: 20px;
  color: #f3f1e8;
}
.video-toolbar > span {
  margin-left: auto;
  font-size: 13px;
  color: #dbbd88;
}
.comparison-controls select {
  background: #19372c;
  color: #fff;
  border: 1px solid #ffffff40;
  border-radius: 0;
  padding: 10px 34px 10px 12px;
  font: inherit;
  max-width: 100%;
}
.video-workbench video {
  display: block;
  width: 100%;
  max-height: 65vh;
  aspect-ratio: 2.2778;
  object-fit: contain;
  background: #030807;
}
.media-note {
  color: #a8bbb0;
  font-size: 13px;
  line-height: 1.8;
  margin: 20px 0;
}
.video-workbench .media-note {
  padding: 0 24px;
}
.media-reading {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-top: 36px;
}
.media-reading h3 {
  font-size: 20px;
  margin: 0 0 12px;
}
.media-reading p {
  color: #b9c7be;
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
}
.comparison-section {
  background: #122b22;
}
.comparison-controls {
  display: flex;
  gap: 24px;
  align-items: end;
  margin-bottom: 24px;
}
.comparison-controls label {
  display: grid;
  gap: 8px;
  font-size: 13px;
  color: #d8e0d9;
}
.comparison-controls p {
  font-size: 12px;
  color: #b2c3b8;
  margin-left: auto;
  max-width: 300px;
  line-height: 1.6;
}
.image-comparator {
  position: relative;
  overflow: hidden;
  background: #04110b;
}
.image-comparator img {
  display: block;
  width: 100%;
  height: auto;
}
.image-comparator #compare-input {
  position: absolute;
  inset: 0;
  height: 100%;
  object-fit: contain;
  clip-path: inset(0 calc(100% - var(--split)) 0 0);
}
.compare-labels {
  position: absolute;
  inset: 18px 18px auto;
  display: flex;
  justify-content: space-between;
  pointer-events: none;
}
.compare-labels span {
  padding: 7px 14px;
  background: #07170ce6;
  font-size: 12px;
}
.compare-divider {
  position: absolute;
  left: var(--split);
  top: 0;
  bottom: 0;
  border-left: 2px solid #f6eee0;
  pointer-events: none;
}
.compare-divider span {
  position: absolute;
  top: 50%;
  left: -22px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: #eeeade;
  color: #173328;
  border-radius: 50%;
  font-size: 24px;
}
.image-comparator input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: ew-resize;
  margin: 0;
}
.image-comparator:focus-within {
  outline: 3px solid #e7c58e;
  outline-offset: 4px;
}
.chart-library {
  border-top: 1px solid #ffffff35;
  border-bottom: 1px solid #ffffff35;
  padding: 24px 0;
}
.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  padding-top: 30px;
}
.chart-grid figure {
  margin: 0;
}
.chart-grid img {
  width: 100%;
  height: 300px;
  object-fit: contain;
  background: #f9f9f6;
}
.chart-grid figcaption {
  font-size: 13px;
  color: #b6c4ba;
  padding-top: 12px;
}
.media-section button:focus-visible,
.media-section select:focus-visible,
.showcase-nav a:focus-visible {
  outline: 2px solid #e7c58e;
  outline-offset: 4px;
}
@media (max-width: 700px) {
  .showcase-nav {
    gap: 20px;
    padding: 20px 12px;
    flex-wrap: wrap;
  }
  .showcase-nav a {
    font-size: 12px;
  }
  .media-section {
    padding: 58px 22px;
    scroll-margin-top: 70px;
  }
  .media-heading {
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 28px;
  }
  .media-heading > p {
    font-size: 14px;
  }
  .video-toolbar {
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px;
  }
  .video-toolbar > span {
    display: none;
  }
  .video-toolbar select {
    flex: 1;
    min-width: 0;
    font-size: 13px;
  }
  .media-reading {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .media-reading > div {
    display: grid;
    grid-template-columns: 88px 1fr;
    gap: 16px;
  }
  .media-reading h3 {
    font-size: 17px;
  }
  .comparison-controls {
    flex-wrap: wrap;
    gap: 16px;
  }
  .comparison-controls p {
    margin: 0;
    max-width: none;
    width: 100%;
  }
  .chart-grid {
    grid-template-columns: 1fr;
  }
  .chart-grid img {
    height: auto;
  }
}
.video-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  background: #637469;
}
.video-pair figure {
  margin: 0;
  background: #030807;
  min-width: 0;
}
.video-pair figcaption {
  padding: 12px 18px;
  font-size: 13px;
  background: #11271e;
}
.video-pair video {
  aspect-ratio: 16/9;
  object-fit: contain;
  width: 100%;
  max-height: none;
}
.pair-controls {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 20px;
  flex-wrap: wrap;
}
.pair-controls button {
  padding: 10px 16px;
  background: #eeebdf;
  color: #10281f;
  border: 0;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}
.pair-controls input {
  flex: 1;
  min-width: 100px;
  accent-color: #dbc28d;
}
.pair-controls label,
.pair-controls output {
  font-size: 12px;
}
.standalone-videos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 28px;
}
.standalone-videos figure {
  margin: 0;
}
.standalone-videos video {
  width: 100%;
  aspect-ratio: 2/1;
  background: #030807;
  object-fit: contain;
}
.standalone-videos figcaption {
  font-size: 14px;
  margin-top: 12px;
  color: #c4d1c6;
}
.video-workbench:fullscreen {
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #06100d;
}
.video-workbench:fullscreen .video-pair video {
  max-height: 70vh;
}
.chart-grid {
  padding-top: 0;
}
.chart-grid img {
  height: auto;
  max-height: 650px;
  object-fit: contain;
}
@media (max-width: 700px) {
  .pair-controls {
    gap: 10px;
    padding: 14px;
  }
  .pair-controls label {
    display: none;
  }
  .pair-controls input {
    order: 2;
    flex-basis: 65%;
  }
  .pair-controls output {
    order: 3;
  }
  .standalone-videos {
    grid-template-columns: 1fr;
  }
  .video-pair figcaption {
    font-size: 11px;
    padding: 10px;
  }
  .video-pair {
    gap: 1px;
  }
}
.video-pair video {
  aspect-ratio: var(--video-ratio, 2.27778);
  object-fit: contain;
}
.pair-controls button:disabled {
  opacity: 0.5;
  cursor: wait;
}
.pair-controls button:focus-visible {
  outline: 2px solid #e7c58e;
  outline-offset: 4px;
}
.image-comparator[aria-busy="true"]::after {
  content: "正在加载成对图片…";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: #071b15bc;
  color: white;
  font-size: 14px;
  pointer-events: none;
}
.comparison-layout {
  display: flex;
  gap: 4px;
  padding: 0 24px 18px;
}
.comparison-layout button {
  padding: 8px 16px;
  border: 1px solid #adc4b545;
  background: none;
  color: #bfd0c5;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
.comparison-layout button[aria-pressed="true"] {
  background: #c5d5c4;
  color: #0b2417;
}
.video-pair.is-overlay {
  display: block;
  position: relative;
  --video-split: 50%;
  isolation: isolate;
}
.video-pair.is-overlay figure {
  width: 100%;
}
.video-pair.is-overlay figure:nth-child(2) {
  position: absolute;
  inset: 0;
  clip-path: inset(0 0 0 var(--video-split));
}
.video-pair.is-overlay figcaption {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  background: #092017d9;
}
.video-pair.is-overlay figure:nth-child(2) figcaption {
  left: auto;
  right: 12px;
}
.video-pair.is-overlay::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 var(--video-split);
  border-left: 2px solid #e9dcc1;
  pointer-events: none;
}
.video-split-control {
  padding: 16px 24px 0;
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
}
.video-split-control input {
  flex: 1;
  accent-color: #dbc28d;
}
.video-workbench.is-expanded {
  position: fixed;
  inset: 0;
  z-index: 100;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #06100d;
}
.video-workbench.is-expanded .video-pair video {
  max-height: 65vh;
}
.video-workbench.is-expanded .video-toolbar {
  flex-shrink: 0;
}

.video-workbench + .video-workbench {
  margin-top: 40px;
}