/* 视频复刻 · 对照影擎 replace-page。不重写共享 .btn/.pill/.input/.chip/.textarea。 */
.vrep-page {
  --klein: #002fa7;
  --klein-hover: #002680;
  --muted: #6f747c;
  --text: #17181a;
  --shadow-card: 0 8px 20px rgba(20, 27, 38, 0.09);
  width: 100%;
  max-width: none;
  box-sizing: border-box;
  margin: -24px -28px -60px;
  padding: 52px clamp(40px, 3.2vw, 68px) 48px;
}

@media (max-width: 1100px) {
  .vrep-page { margin: -28px -24px -48px; }
}

.vrep-page .vrep-inner {
  width: min(1560px, 100%);
  margin: 0 auto;
}

.vrep-page .video-tool-page {
  min-height: calc(100vh - 116px - 100px);
}

.vrep-page .page-header {
  min-height: 76px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 34px;
}

.vrep-page .image-title-row {
  display: flex;
  align-items: flex-start;
  gap: 13px;
}

.vrep-page .image-back-button {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  margin-top: 2px;
  border: 1px solid rgba(0, 47, 167, 0.46);
  border-radius: 12px;
  color: var(--klein);
  background: rgba(255, 255, 255, 0.82);
  cursor: pointer;
  box-shadow: 0 5px 14px rgba(0, 47, 167, 0.07);
  transition: background-color 180ms ease, transform 180ms ease;
}

.vrep-page .image-back-button:hover {
  transform: translateX(-2px);
  border-color: var(--klein);
  background: rgba(0, 47, 167, 0.055);
}

.vrep-page .image-back-button svg { width: 19px; height: 19px; }

.vrep-page .page-heading h1 {
  margin: 0 0 10px;
  font-size: 32px;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--text);
}

.vrep-page .video-flow-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  gap: 22px;
  margin-top: 26px;
}

.vrep-page .video-flow-panel,
.vrep-page .video-result-panel {
  padding: 24px;
  border: 1px solid rgba(34, 42, 54, 0.1);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-card);
}

.vrep-page .replace-flow-panel,
.vrep-page .replace-result-panel {
  position: relative;
  overflow: hidden;
}

.vrep-page .replace-flow-panel::before,
.vrep-page .replace-result-panel::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  z-index: 3;
  height: 3px;
}

.vrep-page .replace-flow-panel::before {
  background: var(--klein);
}

.vrep-page .replace-result-panel::before {
  background: #101012;
  transition: background-color 220ms ease;
}

.vrep-page .replace-result-panel.has-result::before {
  background: var(--klein);
}

.vrep-page .replace-result-panel {
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 78% 16%, rgba(0, 47, 167, 0.1), transparent 28%),
    linear-gradient(rgba(34, 42, 54, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 42, 54, 0.025) 1px, transparent 1px),
    rgba(252, 253, 255, 0.96);
  background-size: auto, 38px 38px, 38px 38px, auto;
}

.vrep-page .video-flow-panel h2,
.vrep-page .video-result-panel h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
}

.vrep-page .replace-mode-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin: 16px 0 22px;
  padding: 5px;
  border: 1px solid rgba(34, 42, 54, 0.09);
  border-radius: 14px;
  background: rgba(241, 244, 249, 0.88);
}

.vrep-page .replace-mode-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 0;
  border-radius: 10px;
  color: #69758a;
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.vrep-page .replace-mode-button svg {
  width: 17px;
  height: 17px;
}

.vrep-page .replace-mode-button.active {
  color: var(--klein);
  background: #fff;
  box-shadow: 0 7px 18px rgba(22, 45, 92, 0.09), inset 0 0 0 1px rgba(0, 47, 167, 0.11);
}

.vrep-page .replace-mode-button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.vrep-page .video-flow-step {
  margin-top: 22px;
}

.vrep-page .video-flow-step-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 9px;
}

.vrep-page .video-flow-step-head strong {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.vrep-page .video-flow-step-head span {
  color: var(--muted);
  font-size: 11px;
}

.vrep-page .video-upload-field {
  min-height: 148px;
  display: grid;
  place-items: center;
  padding: 22px;
  border: 1px dashed rgba(0, 47, 167, 0.3);
  border-radius: 13px;
  color: #42506a;
  background: rgba(0, 47, 167, 0.04);
  text-align: center;
  transition: border-color 160ms ease, background 160ms ease;
}

.vrep-page .video-upload-field:hover,
.vrep-page .video-upload-field.has-file,
.vrep-page .video-upload-field.is-dragover {
  border-color: var(--klein);
  background: rgba(0, 47, 167, 0.075);
}

/* 拖拽悬停:实线 + 略深底,和「已选好」区分开 */
.vrep-page .video-upload-field.is-dragover {
  border-style: solid;
  background: rgba(0, 47, 167, 0.11);
}

/* 已有预览时容器让位给视频本身 */
.vrep-page .video-upload-field.has-preview {
  min-height: 0;
  padding: 12px;
  border-style: solid;
  place-items: stretch;
  text-align: left;
}

.vrep-page .video-upload-trigger {
  display: grid;
  place-items: center;
  gap: 8px;
  min-width: 0;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: center;
  cursor: pointer;
}

.vrep-page .video-upload-trigger:disabled { cursor: default; opacity: .6; }

.vrep-page .video-upload-preview {
  display: grid;
  grid-template-columns: minmax(0, 132px) minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  width: 100%;
  min-width: 0;
}

.vrep-page .video-upload-preview video {
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 168px;
  border-radius: 8px;
  background: #0f1728;
  object-fit: contain;
}

.vrep-page .video-upload-preview-meta {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.vrep-page .video-upload-change {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 13px;
  border: 1px solid rgba(0, 47, 167, 0.3);
  border-radius: 8px;
  background: transparent;
  color: var(--klein);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease;
}

.vrep-page .video-upload-change:hover:not(:disabled) {
  border-color: var(--klein);
  background: rgba(0, 47, 167, 0.075);
}

.vrep-page .video-upload-change:disabled { opacity: .5; cursor: default; }
.vrep-page .video-upload-change svg { width: 15px; height: 15px; }

@media (max-width: 720px) {
  .vrep-page .video-upload-preview {
    grid-template-columns: minmax(0, 96px) minmax(0, 1fr);
  }
  .vrep-page .video-upload-change { grid-column: 1 / -1; justify-content: center; }
}

/* 只给空态大图标撑到 28px:更换按钮里的小图标不能被这条盖掉 */
.vrep-page .video-upload-trigger > svg {
  width: 28px;
  height: 28px;
  color: var(--klein);
}

.vrep-page .video-upload-field strong {
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

.vrep-page .video-upload-field small {
  color: var(--muted);
  font-size: 12px;
}

/* 临时上传商品图:拖拽悬停沿用「已选中」的蓝框,再压一层底色区分 */
.vrep-page .replace-temporary-method.is-dragover {
  border-color: var(--klein);
  background: rgba(0, 47, 167, 0.11);
}

/* 进页面先确认后端有没有在跑的任务。确认完之前不给看空表单,也不让提交 ——
   否则用户以为没任务,又传一遍,重复扣费。 */
/* 面板是 flex column,不给 flex:1 + min-height 就会顶在最上面、下面留一大块空 */
.vrep-page .replace-restoring-state {
  min-height: 470px;
  flex: 1;
  display: none;
  place-items: center;
  text-align: center;
}

/* 读取任务状态期间左侧整块不可操作:只锁提交按钮不够,用户照样能点/拖上传 */
.vrep-page .replace-flow-panel.is-locked,
.vrep-page .video-flow-panel.is-locked {
  pointer-events: none;
  opacity: 0.55;
  filter: saturate(0.85);
  transition: opacity 160ms ease;
}

.vrep-page .replace-result-panel.is-restoring .replace-restoring-state { display: grid; }

.vrep-page .replace-result-panel.is-restoring .video-result-placeholder,
.vrep-page .replace-result-panel.is-restoring .replace-generating-state,
.vrep-page .replace-result-panel.is-restoring .video-analysis-result { display: none; }

.vrep-page .replace-restoring-content {
  display: grid;
  justify-items: center;
  gap: 10px;
  width: min(280px, 100%);
}

.vrep-page .replace-restoring-content strong { color: var(--text); font-size: 16px; font-weight: 600; }
.vrep-page .replace-restoring-content span:not(.replace-restoring-spinner) {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.vrep-page .replace-restoring-spinner {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid rgba(0, 47, 167, 0.16);
  border-top-color: var(--klein);
  animation: replace-restoring-spin 0.8s linear infinite;
}

@keyframes replace-restoring-spin { to { transform: rotate(360deg); } }

.vrep-page .video-flow-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 22px;
}

.vrep-page .primary-action,
.vrep-page .secondary-action,
.asset-library-layer .primary-action,
.asset-library-layer .secondary-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border-radius: 11px;
  cursor: pointer;
  font: inherit;
  transition: transform 180ms ease, background-color 180ms ease, box-shadow 180ms ease;
}

.vrep-page .primary-action,
.asset-library-layer .primary-action {
  min-width: 158px;
  height: 50px;
  padding: 0 22px;
  color: #fff;
  background: var(--klein);
  border: 0;
  box-shadow: 0 9px 18px rgba(0, 47, 167, 0.18);
}

.vrep-page .primary-action:hover:not(:disabled),
.asset-library-layer .primary-action:hover:not(:disabled) {
  transform: translateY(-2px);
  background: var(--klein-hover);
}

.vrep-page .primary-action:disabled,
.asset-library-layer .primary-action:disabled {
  opacity: 0.38;
  transform: none;
  box-shadow: none;
  cursor: not-allowed;
}

.vrep-page .secondary-action,
.asset-library-layer .secondary-action {
  min-width: 132px;
  height: 46px;
  padding: 0 18px;
  color: var(--text);
  border: 1px solid rgba(28, 34, 43, 0.12);
  background: rgba(34, 42, 54, 0.05);
}

.vrep-page .secondary-action:hover:not(:disabled),
.asset-library-layer .secondary-action:hover:not(:disabled) {
  background: rgba(34, 42, 54, 0.10);
}

.vrep-page .primary-action svg,
.vrep-page .secondary-action svg,
.asset-library-layer .primary-action svg,
.asset-library-layer .secondary-action svg {
  width: 19px;
  height: 19px;
}

.vrep-page .product-replace-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.vrep-page .replace-product-method {
  position: relative;
  min-width: 0;
  min-height: 112px;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  align-items: center;
  gap: 13px;
  padding: 16px;
  border: 1px solid rgba(34, 42, 54, 0.11);
  border-radius: 13px;
  color: var(--text);
  background: rgba(249, 250, 252, 0.92);
  font: inherit;
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  transition: border-color 170ms ease, background-color 170ms ease, box-shadow 170ms ease, transform 170ms ease;
}

/* 选中商品后不再整块铺商品图:图一花文字就读不了,active 的蓝底也被盖没。
   改成图标位直接放缩略图,文字保持全对比度。 */
.vrep-page .replace-product-method-background { display: none; }

.vrep-page .replace-product-method.has-product-preview .replace-product-method-icon {
  padding: 0;
  overflow: hidden;
  border-color: rgba(0, 47, 167, 0.22);
  background: #f1f5ff;
}

.vrep-page .replace-product-method-icon img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: inherit;
}

.vrep-page .replace-product-method:hover {
  border-color: rgba(0, 47, 167, 0.28);
  transform: translateY(-1px);
}

.vrep-page .replace-product-method.active {
  border-color: var(--klein);
  background: #f1f5ff;
  box-shadow: inset 0 0 0 1px var(--klein);
}

.vrep-page .replace-product-method-icon {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(0, 47, 167, 0.12);
  border-radius: 13px;
  color: var(--klein);
  background: #fff;
  box-shadow: 0 8px 18px rgba(0, 47, 167, 0.07);
}

.vrep-page .replace-product-method-icon svg {
  width: 20px;
  height: 20px;
}

.vrep-page .replace-product-method-copy {
  min-width: 0;
}

.vrep-page .replace-product-method-copy strong,
.vrep-page .replace-product-method-copy small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.vrep-page .replace-product-method-copy strong {
  font-size: 13px;
}

.vrep-page .replace-product-method-copy small {
  margin-top: 6px;
  color: var(--muted);
  font-size: 11px;
}

.vrep-page .replace-product-method > svg {
  width: 17px;
  height: 17px;
  color: #8b94a4;
}

.vrep-page .replace-temporary-preview {
  display: none;
}

.vrep-page .replace-temporary-method.has-images {
  min-height: 224px;
  grid-template-columns: minmax(0, 1fr);
  padding: 12px;
}

.vrep-page .replace-temporary-method.has-images > .replace-product-method-icon,
.vrep-page .replace-temporary-method.has-images > .replace-product-method-copy,
.vrep-page .replace-temporary-method.has-images > svg {
  display: none;
}

.vrep-page .replace-temporary-method.has-images .replace-temporary-preview {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(100px, 0.72fr);
  align-items: stretch;
  gap: 10px;
}

.vrep-page .replace-temporary-grid {
  aspect-ratio: 1;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-template-rows: repeat(3, minmax(0, 1fr));
  gap: 4px;
  padding: 6px;
  border: 1px solid rgba(34, 42, 54, 0.09);
  border-radius: 11px;
  background: #fff;
}

.vrep-page .replace-temporary-cell {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(34, 42, 54, 0.09);
  border-radius: 7px;
  background: #e9edf4;
}

.vrep-page .replace-temporary-cell.empty {
  border-style: dashed;
  border-color: rgba(0, 47, 167, 0.13);
  background: rgba(248, 250, 255, 0.72);
}

.vrep-page .replace-temporary-cell img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.vrep-page .replace-temporary-remove {
  position: absolute;
  top: 3px;
  right: 3px;
  width: 18px;
  height: 18px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 5px;
  color: #fff;
  background: rgba(16, 16, 18, 0.72);
  font: inherit;
  font-size: 13px;
  line-height: 1;
  cursor: pointer;
}

.vrep-page .replace-temporary-more {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 7px;
  padding: 12px;
  border: 1px dashed rgba(0, 47, 167, 0.28);
  border-radius: 11px;
  color: #38455d;
  background: #f3f7ff;
  text-align: center;
}

.vrep-page .replace-temporary-more > span:first-child {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  color: var(--klein);
  background: #fff;
}

.vrep-page .replace-temporary-more svg {
  width: 18px;
  height: 18px;
}

.vrep-page .replace-temporary-more strong {
  font-size: 12px;
}

.vrep-page .replace-temporary-count {
  color: var(--muted);
  font-size: 10px;
}

.vrep-page .replace-temporary-clear {
  padding: 5px 8px;
  border: 0;
  border-radius: 6px;
  color: #778196;
  background: rgba(255, 255, 255, 0.78);
  font: inherit;
  font-size: 10px;
  cursor: pointer;
}

.vrep-page .replace-generate-action {
  justify-content: flex-end;
}

.vrep-page .replace-generate-action .primary-action {
  min-width: 230px;
}

.vrep-page .replace-result-actions {
  justify-content: flex-end;
  gap: 12px;
}

.vrep-page .replace-result-panel.has-result .video-analysis-result {
  flex: 1;
  min-height: 470px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.vrep-page .replace-result-panel.has-result .replace-preview,
.vrep-page .replace-result-panel.has-result .replace-preview-meta,
.vrep-page .replace-result-panel.has-result .replace-result-actions {
  margin-top: 0;
}

.vrep-page .replace-placeholder-visual {
  position: relative;
  width: 104px;
  height: 104px;
  display: grid;
  place-items: center;
  margin-bottom: 26px;
  border: 1px solid rgba(16, 16, 18, 0.1);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 28px rgba(22, 45, 92, 0.07);
}

.vrep-page .replace-placeholder-visual::before,
.vrep-page .replace-placeholder-visual::after {
  display: none;
}

.vrep-page .replace-placeholder-visual > span {
  position: relative;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: var(--klein);
  background: rgba(0, 47, 167, 0.07);
}

.vrep-page .replace-placeholder-visual svg {
  width: 22px;
  height: 22px;
  color: var(--klein);
}

.vrep-page .video-result-placeholder,
.vrep-page .video-analysis-result {
  min-height: 360px;
}

.vrep-page .video-result-placeholder {
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
}

.vrep-page .video-result-placeholder > div {
  display: grid;
  place-items: center;
  gap: 10px;
}

.vrep-page .replace-result-panel .video-result-placeholder {
  min-height: 470px;
  flex: 1;
}

.vrep-page .replace-result-panel .video-result-placeholder > div {
  transform: translateY(24px);
}

.vrep-page .video-analysis-result {
  display: none;
}

.vrep-page .video-result-panel.has-result .video-result-placeholder {
  display: none;
}

.vrep-page .video-result-panel.has-result .video-analysis-result {
  display: flex;
  flex-direction: column;
}

.vrep-page .replace-generating-state {
  min-height: 470px;
  flex: 1;
  display: none;
  place-items: center;
  text-align: center;
}

.vrep-page .replace-result-panel.is-generating .video-result-placeholder,
.vrep-page .replace-result-panel.is-generating .video-analysis-result {
  display: none;
}

.vrep-page .replace-result-panel.is-generating .replace-generating-state {
  display: grid;
}

.vrep-page .replace-generating-content {
  width: min(300px, 100%);
  display: grid;
  justify-items: center;
  gap: 10px;
}

.vrep-page .replace-generating-visual {
  position: relative;
  width: 136px;
  height: 104px;
  margin-bottom: 14px;
}

.vrep-page .replace-generating-frame {
  position: absolute;
  inset: 4px 18px 18px 4px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(16, 16, 18, 0.11);
  border-radius: 20px;
  color: #101012;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 14px 30px rgba(22, 45, 92, 0.08);
}

.vrep-page .replace-generating-frame svg {
  width: 27px;
  height: 27px;
  stroke-width: 1.7;
}

.vrep-page .replace-generating-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 28%, rgba(0, 47, 167, 0.13) 50%, transparent 72%);
  transform: translateX(-130%);
  animation: replace-frame-scan 1.35s ease-in-out infinite;
}

.vrep-page .replace-generating-product {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 3px solid #fff;
  border-radius: 14px;
  color: #fff;
  background: var(--klein);
  box-shadow: 0 9px 20px rgba(0, 47, 167, 0.2);
  animation: replace-product-pulse 1.35s ease-in-out infinite;
}

.vrep-page .replace-generating-product svg {
  width: 19px;
  height: 19px;
}

.vrep-page .replace-generating-content > strong {
  color: var(--text);
  font-size: 16px;
}

.vrep-page .replace-generating-content > span {
  color: var(--muted);
  font-size: 11px;
}

.vrep-page .replace-generating-bar {
  width: 210px;
  height: 4px;
  margin-top: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(16, 16, 18, 0.08);
}

.vrep-page .replace-generating-bar span {
  width: 44%;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--klein);
  animation: replace-progress-slide 1.15s ease-in-out infinite;
}

@keyframes replace-frame-scan {
  0%, 12% { transform: translateX(-130%); }
  76%, 100% { transform: translateX(130%); }
}

@keyframes replace-product-pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.07); }
}

@keyframes replace-progress-slide {
  0% { transform: translateX(-115%); }
  100% { transform: translateX(260%); }
}

@media (prefers-reduced-motion: reduce) {
  .vrep-page .replace-generating-frame::after,
  .vrep-page .replace-generating-product,
  .vrep-page .replace-generating-bar span {
    animation: none;
  }
}

.vrep-page .replace-preview {
  position: relative;
  min-height: 0;
  display: grid;
  margin-top: 16px;
  overflow: hidden;
  border-radius: 10px;
  background: #101012;
}

.vrep-page .replace-preview video,
.vrep-page .replace-preview img {
  width: 100%;
  max-height: 420px;
  display: block;
  object-fit: contain;
  background: #101012;
}

.vrep-page .replace-preview-meta {
  display: grid;
  gap: 4px;
  margin-top: 12px;
}

.vrep-page .replace-preview-meta strong {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.vrep-page .replace-preview-meta span {
  color: var(--muted);
  font-size: 12px;
}

.vrep-page .replace-history-section {
  margin-top: 28px;
}

.vrep-page .replace-history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 13px;
}

.vrep-page .replace-history-head h2 {
  margin: 0;
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
}

.vrep-page .replace-history-head span {
  color: var(--muted);
  font-size: 12px;
}

.vrep-page .replace-history-list {
  display: grid;
  gap: 10px;
}

.vrep-page .replace-history-empty {
  padding: 28px 16px;
  border: 1px solid rgba(0, 47, 167, 0.12);
  border-radius: 12px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  text-align: center;
}

.vrep-page .replace-history-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 47, 167, 0.12);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 8px 20px rgba(22, 45, 92, 0.05);
}

.vrep-page .replace-history-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--klein);
}

.vrep-page .replace-history-summary {
  width: 100%;
  display: grid;
  grid-template-columns: 148px minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 12px 14px 12px 16px;
  border: 0;
  color: inherit;
  background: transparent;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.vrep-page .replace-history-summary:hover {
  background: rgba(0, 47, 167, 0.035);
}

.vrep-page .replace-history-cover {
  position: relative;
  height: 84px;
  overflow: hidden;
  border-radius: 8px;
  background: #e9eef8;
}

.vrep-page .replace-history-cover img,
.vrep-page .replace-history-cover video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.vrep-page .replace-history-cover span {
  position: absolute;
  right: 8px;
  bottom: 8px;
  padding: 3px 6px;
  border-radius: 4px;
  color: #fff;
  background: rgba(16, 16, 18, 0.76);
  font-size: 10px;
  font-weight: 600;
}

.vrep-page .replace-history-copy {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.vrep-page .replace-history-copy > span {
  width: fit-content;
  display: inline-flex;
  padding: 3px 8px;
  border-radius: 999px;
  color: var(--klein);
  background: #eef3ff;
  font-size: 10px;
  font-weight: 600;
}

.vrep-page .replace-history-copy strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.vrep-page .replace-history-copy small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted);
  font-size: 12px;
}

.vrep-page .replace-history-toggle {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  border: 1px solid rgba(0, 47, 167, 0.18);
  border-radius: 8px;
  color: var(--klein);
  background: #fff;
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}

.vrep-page .replace-history-toggle svg {
  width: 16px;
  height: 16px;
  transition: transform 180ms ease;
}

.vrep-page .replace-history-card.is-open .replace-history-toggle svg {
  transform: rotate(180deg);
}

.vrep-page .replace-history-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 0 14px 14px 16px;
  border-top: 1px solid rgba(34, 42, 54, 0.08);
}

.vrep-page .replace-history-compare[hidden] {
  display: none;
}

.vrep-page .replace-history-compare-pane {
  min-width: 0;
  display: grid;
  gap: 8px;
  padding-top: 12px;
}

.vrep-page .replace-history-compare-pane > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 500;
}

.vrep-page .replace-history-compare-pane video,
.vrep-page .replace-history-compare-empty {
  width: 100%;
  aspect-ratio: 9 / 16;
  max-height: 360px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 8px;
  background: #101012;
}

.vrep-page .replace-history-compare-pane video {
  display: block;
  object-fit: contain;
}

.vrep-page .replace-history-compare-empty {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

/* 挂到 body,盖住顶栏。变量写在本层,不依赖 .vrep-page */
.asset-library-layer {
  --klein: #002fa7;
  --klein-hover: #002680;
  --muted: #6f747c;
  --text: #17181a;
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: visibility 0s linear 260ms, opacity 220ms ease;
}

.asset-library-layer.open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  transition-delay: 0s;
}

.asset-library-scrim {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(6, 9, 15, 0.58);
  cursor: default;
}

.asset-library-drawer {
  position: absolute;
  top: 0;
  right: 0;
  width: min(650px, 48vw);
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #fff;
  box-shadow: -22px 0 48px rgba(7, 12, 22, 0.2);
  transform: translateX(100%);
  transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1);
}

.asset-library-layer.open .asset-library-drawer {
  transform: translateX(0);
}

.asset-library-head {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 24px;
  border-bottom: 1px solid rgba(34, 42, 54, 0.09);
}

.asset-library-head h2 {
  margin: 0 0 4px;
  font-size: 21px;
}

.asset-library-head p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.asset-library-layer .product-drawer-close {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(34, 42, 54, 0.10);
  border-radius: 11px;
  color: var(--muted);
  background: rgba(34, 42, 54, 0.045);
  cursor: pointer;
  transition: color 160ms ease, background-color 160ms ease;
}

.asset-library-layer .product-drawer-close:hover {
  color: var(--text);
  background: rgba(34, 42, 54, 0.09);
}

.asset-library-layer .product-drawer-close svg {
  width: 18px;
  height: 18px;
}

.asset-library-grid {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-content: start;
  gap: 12px;
  padding: 22px 24px;
}

.asset-library-choice {
  position: relative;
  min-height: 214px;
  overflow: hidden;
  border: 1px solid rgba(34, 42, 54, 0.1);
  border-radius: 13px;
  background: #f7f8fa;
  cursor: pointer;
  font: inherit;
  padding: 0;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.asset-library-choice:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 47, 167, 0.32);
  box-shadow: 0 10px 24px rgba(20, 27, 38, 0.08);
}

.asset-library-choice.selected {
  border-color: var(--klein);
  box-shadow: 0 0 0 2px rgba(0, 47, 167, 0.1);
}

.asset-library-choice img {
  width: 100%;
  height: 164px;
  display: block;
  object-fit: cover;
  background: #e9eef8;
}

.asset-library-choice > span:not(.asset-choice-check) {
  display: grid;
  gap: 3px;
  padding: 10px;
  text-align: left;
}

.asset-library-choice strong { font-size: 11px; }
.asset-library-choice small { color: var(--muted); font-size: 9px; }

.asset-choice-check {
  position: absolute;
  top: 9px;
  right: 9px;
  width: 24px;
  height: 24px;
  display: none;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--klein);
}

.asset-library-choice.selected .asset-choice-check { display: grid; }
.asset-choice-check svg { width: 13px; height: 13px; }

.asset-library-footer {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 0 24px;
  border-top: 1px solid rgba(34, 42, 54, 0.09);
  background: #fff;
  box-shadow: 0 -10px 24px rgba(20, 27, 38, 0.045);
}

.asset-library-empty {
  grid-column: 1 / -1;
  padding: 36px 12px;
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

@media (max-width: 1120px) {
  .vrep-page .video-flow-grid { grid-template-columns: 1fr; }
  .vrep-page .product-replace-options { grid-template-columns: 1fr; }
  .vrep-page .replace-history-summary {
    grid-template-columns: 1fr;
  }
  .vrep-page .replace-history-toggle {
    justify-self: start;
  }
  .vrep-page .replace-history-compare {
    grid-template-columns: 1fr;
  }
  .asset-library-drawer {
    width: min(650px, 100vw);
  }
  .asset-library-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}