/* AI 工具页 · 像素还原 scoped 样式
   基线:public/exact/asset-factory.html(图片生成入口 + 任务中心)
        public/exact/{model-photo,platform-cover,image-optimize}.html(工作室壳)
   只用 design-restraint.css 的 token;共享组件类(.btn/.pill/.input/.field/
   .placeholder/.with-corners/.toolbar/table.t/.tabs/.chip/.view-toggle…)直接复用,
   不在此重写。以下仅页面专属结构。
   挂载根:.asset-factory(AssetFactoryPage)/ .image-workbench(ImageWorkbenchPage)。 */

/* ============================================================
   A · 图片生成入口(.asset-factory)
   ============================================================ */

/* ─── 三 Hero 卡片网格(模特上身图 / 平台套图 / 图片创作 · 等比)─── */
.asset-factory .factory-hero {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 56px;
}
@media (max-width: 1400px) {
  .asset-factory .factory-hero { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1000px) {
  .asset-factory .factory-hero { grid-template-columns: 1fr; }
}

.asset-factory .factory-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  padding: 28px 30px;
  overflow: hidden;
}

.asset-factory .factory-body {
  display: flex;
  flex-direction: column;
  gap: 18px;
  height: 100%;
}
.asset-factory .factory-text { display: flex; flex-direction: column; min-width: 0; }

.asset-factory .factory-tag {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--black-alpha-48);
  letter-spacing: .06em;
  padding: 2px 8px;
  border: 1px solid var(--border-faint);
  background: var(--background-lighter);
  border-radius: var(--r-sm);
  margin-bottom: 14px;
}
.asset-factory .factory-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -.018em;
  line-height: 1.25;
  color: var(--accent-black);
}
.asset-factory .factory-desc {
  margin-top: 8px;
  font-size: 13.5px;
  color: var(--black-alpha-64);
  line-height: 1.55;
}

/* CTA 行:主按钮 + 价格 mono */
.asset-factory .factory-cta {
  margin-top: auto;
  padding-top: 24px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.asset-factory .factory-cta .cost {
  font-family: var(--font-mono);
  font-size: 10.5px;
  color: var(--black-alpha-48);
  letter-spacing: .04em;
}

/* ─── 任务中心 · section header(基线 .section-h 带 mono sub)─── */
.asset-factory .section-h { margin-top: 24px; }
.asset-factory .section-h .sub-mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--black-alpha-48);
  letter-spacing: .02em;
}

.asset-factory .result-meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--black-alpha-48);
  letter-spacing: .02em;
  margin: 2px 0 12px;
}

/* ─── 列表视图 · 表格容器(基线 #task-list-view)─── */
.asset-factory .task-list-view {
  background: var(--surface);
  border: 1px solid var(--border-muted);
  border-radius: var(--r-md);
  overflow: hidden;
}
.asset-factory .task-list-view table.t {
  border: 0;
  border-radius: 0;
  background: transparent;
}
.asset-factory .task-list-view table.t thead th {
  background: var(--background-lighter);
  border-bottom-color: var(--border-muted);
}
.asset-factory .task-list-view table.t tbody td { border-bottom: 0; }

.asset-factory .task-name-cell { display: flex; align-items: center; gap: 12px; }
.asset-factory .task-thumb { width: 40px; height: 40px; flex-shrink: 0; border-radius: var(--r-sm); }
.asset-factory .task-name { font-weight: 600; color: var(--accent-black); font-size: 13.5px; }
.asset-factory .task-sub {
  font-size: 11.5px;
  color: var(--black-alpha-48);
  margin-top: 3px;
  font-family: var(--font-mono);
  letter-spacing: .02em;
}
.asset-factory .task-list-prog { display: flex; align-items: center; gap: 8px; min-width: 120px; }
.asset-factory .task-list-prog .bar {
  flex: 1; height: 4px;
  background: var(--black-alpha-7);
  border-radius: 2px; overflow: hidden;
}
.asset-factory .task-list-prog .bar span {
  display: block; height: 100%;
  background: var(--heat); border-radius: 2px;
  animation: af-hp-pulse 1.4s ease-in-out infinite;
}
.asset-factory .task-list-prog .pct {
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--heat); letter-spacing: .02em; white-space: nowrap;
}
@keyframes af-hp-pulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50%      { opacity: .55; transform: scaleY(.7); }
}

.asset-factory .task-empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--black-alpha-48);
  font-size: 13px;
  line-height: 1.6;
}
.asset-factory .task-empty .mono {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .04em; margin-bottom: 6px;
}

/* ============================================================
   B · 图片工作室壳(.image-workbench)
   基线:model-photo / platform-cover(商品空间 + 表单 + 预览)
        与 image-optimize(对话流)布局相近 — 统一为 mode 感知工作室。
   在 .content 内铺满可用高度(shell 由 App.tsx 渲染,这里只占正文)。
   ============================================================ */
.image-workbench {
  /* 抵消 .content 的 48/28/72 padding,让工作室壳贴边铺满(同旧 .tool-shell 思路) */
  margin: -48px -28px -72px;
  height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  background: var(--background-base);
  overflow: hidden;
}

/* ════════════════════════════════════════════════
   通用:返回 pill(图片创作侧栏头 / 模特·平台侧栏头共用)
   ════════════════════════════════════════════════ */
.image-workbench .back-pill {
  display: inline-flex; align-items: center; gap: 6px;
  height: 34px; padding: 0 13px 0 11px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-pill);
  color: var(--accent-black);
  font-size: 13px; font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--t-base), border-color var(--t-base), color var(--t-base);
}
.image-workbench .back-pill:hover {
  background: var(--black-alpha-4);
  border-color: var(--black-alpha-24);
  color: var(--accent-black);
}
.image-workbench .back-pill svg { width: 14px; height: 14px; }

/* ════════════════════════════════════════════════
   mode=model / mode=cover · 外层两栏(商品空间 + 主区)
   基线:model-photo.html / platform-cover.html
   ════════════════════════════════════════════════ */
.image-workbench.iw-prod { flex-direction: row; }
.image-workbench .iw-layout {
  flex: 1; min-height: 0;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}
@media (max-width: 1280px) {
  .image-workbench .iw-layout { grid-template-columns: 240px minmax(0, 1fr); }
}
@media (max-width: 1100px) {
  .image-workbench .iw-layout { grid-template-columns: 1fr; }
}

/* ── 最左 · 商品空间(单选) ── */
.image-workbench .iw-prod-space {
  background: var(--surface);
  border-right: 1px solid var(--border-faint);
  display: flex; flex-direction: column;
  min-height: 0; overflow: hidden;
}
/* 侧栏头部 · 返回(同基线 .mp-side-top) */
.image-workbench .iw-side-top {
  flex-shrink: 0;
  display: flex; align-items: center; gap: 8px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--border-faint);
}
/* 商品列表标题行(// 商品空间) */
.image-workbench .iw-list-h {
  flex-shrink: 0;
  display: flex; align-items: center; gap: 8px;
  padding: 4px 14px 10px;
}
.image-workbench .iw-list-h .mono {
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--black-alpha-48); letter-spacing: .06em;
  text-transform: uppercase;
}
.image-workbench .iw-ps-search {
  position: relative; height: 32px;
  margin: 12px 14px 10px;
}
.image-workbench .iw-ps-search svg {
  position: absolute; left: 10px; top: 50%; transform: translateY(-50%);
  width: 13px; height: 13px;
  color: var(--black-alpha-48); z-index: 2; pointer-events: none;
}
.image-workbench .iw-ps-search input {
  width: 100%; height: 100%;
  padding: 0 10px 0 30px;
  background: var(--background-lighter);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  font-size: 12.5px; color: var(--accent-black);
  font-family: inherit; outline: none;
  transition: border-color var(--t-base), background var(--t-base);
}
.image-workbench .iw-ps-search input:focus { border-color: var(--heat-40); background: var(--surface); }
.image-workbench .iw-ps-search input::placeholder { color: var(--black-alpha-48); }
.image-workbench .iw-ps-list {
  flex: 1; min-height: 0;
  overflow-y: auto;
  padding: 4px 10px 10px;
  display: flex; flex-direction: column; gap: 4px;
}
.image-workbench .iw-prod-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  cursor: pointer;
  text-align: left;
  background: transparent;
  font-family: inherit;
  transition: background var(--t-base), border-color var(--t-base);
}
.image-workbench .iw-prod-item:hover { background: var(--black-alpha-4); }
.image-workbench .iw-prod-item.active { background: var(--heat-12); border-color: var(--heat-20); }
.image-workbench .iw-prod-item .thumb {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: var(--r-sm);
}
.image-workbench .iw-prod-item .body { flex: 1; min-width: 0; }
.image-workbench .iw-prod-item .nm {
  font-size: 12.5px; color: var(--accent-black); font-weight: 500;
  line-height: 1.3;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.image-workbench .iw-prod-item.active .nm { color: var(--heat); font-weight: 600; }
.image-workbench .iw-prod-item .sub {
  margin-top: 2px;
  font-family: var(--font-mono); font-size: 10px;
  color: var(--black-alpha-48); letter-spacing: .02em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.image-workbench .iw-ps-empty {
  padding: 24px 14px;
  text-align: center;
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--black-alpha-48); letter-spacing: .04em;
  line-height: 1.7;
}

/* ── 主区 · flat 头部 + 参数/结果双栏(基线 .mp-main) ── */
.image-workbench .iw-main {
  display: flex; flex-direction: column;
  min-height: 0; overflow: hidden;
}
.image-workbench .iw-main-h {
  flex-shrink: 0;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 28px;
  border-bottom: 1px solid var(--border-faint);
  background: var(--surface);
}
.image-workbench .iw-main-h .cur-title {
  display: flex; align-items: baseline; gap: 8px;
  min-width: 0; max-width: 50%;
}
.image-workbench .iw-main-h .cur-title .crumb {
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--black-alpha-48); letter-spacing: .04em;
  flex-shrink: 0;
}
.image-workbench .iw-main-h .cur-title .nm {
  font-size: 15px; font-weight: 600;
  color: var(--accent-black); letter-spacing: -.005em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.image-workbench .iw-main-h .cur-title .nm.placeholder {
  font-weight: 400; font-size: 13px;
  color: var(--black-alpha-48);
}
.image-workbench .iw-main-h .spacer { flex: 1; }
.image-workbench .iw-main-h .search-btn {
  width: 32px; height: 32px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  color: var(--black-alpha-72);
  cursor: pointer;
  display: grid; place-items: center;
  transition: border-color var(--t-base), color var(--t-base);
}
.image-workbench .iw-main-h .search-btn:hover { border-color: var(--heat-20); color: var(--heat); }
.image-workbench .iw-main-h .search-btn svg { width: 14px; height: 14px; }
.image-workbench .iw-main-h .tb-chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 32px; padding: 0 10px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  font-size: 12.5px; color: var(--black-alpha-72);
  font-family: inherit; cursor: pointer;
  transition: border-color var(--t-base), color var(--t-base);
}
.image-workbench .iw-main-h .tb-chip:hover { border-color: var(--heat-20); color: var(--heat); }
.image-workbench .iw-main-body {
  flex: 1; min-height: 0;
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
}
@media (max-width: 1280px) {
  .image-workbench .iw-main-body { grid-template-columns: 300px minmax(0, 1fr); }
}
@media (max-width: 1100px) {
  .image-workbench .iw-main-body { grid-template-columns: 1fr; }
}

/* ── 左 · 参数表单(基线 .mp-form / .pc-form) ── */
.image-workbench .iw-form {
  border-right: 1px solid var(--border-faint);
  background: var(--surface);
  overflow-y: auto;
  padding: 18px 20px;
  display: flex; flex-direction: column;
}
.image-workbench .iw-step { margin-bottom: 22px; }
.image-workbench .iw-step:last-of-type { margin-bottom: 0; }
.image-workbench .iw-step-h {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 12px;
}
.image-workbench .iw-step-h .num {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--heat-12); color: var(--heat);
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.image-workbench .iw-step-h .title { font-size: 14px; font-weight: 600; color: var(--accent-black); }
.image-workbench .iw-step-h .right { margin-left: auto; font-size: 12px; color: var(--heat); cursor: pointer; }
.image-workbench .iw-step-h .right:hover { text-decoration: underline; }
.image-workbench .iw-sub-h {
  font-size: 12px; color: var(--black-alpha-48);
  margin-bottom: 6px;
  font-family: var(--font-mono); letter-spacing: .02em;
}
.image-workbench .iw-sub { margin-bottom: 12px; }
.image-workbench .iw-sub:last-child { margin-bottom: 0; }

/* 单选 pill row(比例 / 张数 / 风格) */
.image-workbench .pill-row { display: flex; gap: 6px; flex-wrap: wrap; }
.image-workbench .pill-row .opt {
  flex: 1; min-width: 56px;
  height: 32px;
  background: var(--background-lighter);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  color: var(--black-alpha-72);
  font-size: 12.5px;
  cursor: pointer;
  font-family: inherit;
  transition: background var(--t-base), color var(--t-base), border-color var(--t-base);
}
.image-workbench .pill-row .opt:hover { color: var(--accent-black); }
.image-workbench .pill-row .opt.active {
  background: var(--heat-12);
  color: var(--heat);
  border-color: var(--heat-40);
  font-weight: 600;
}

/* ── 模特选择 · 3:4 矩形卡多选(基线 .model-card)── */
.image-workbench .model-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.image-workbench .model-card {
  position: relative;
  background: var(--background-lighter);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  padding: 8px;
  cursor: pointer;
  display: flex; flex-direction: column; gap: 6px;
  text-align: left;
  font-family: inherit;
  transition: background var(--t-base), border-color var(--t-base);
}
.image-workbench .model-card:hover { background: var(--surface); }
.image-workbench .model-card.selected { border-color: var(--heat); background: var(--heat-12); }
.image-workbench .model-card .m-thumb {
  position: relative;
  aspect-ratio: 3/4;
  border-radius: var(--r-sm);
  overflow: hidden;
}
.image-workbench .model-card .m-thumb .placeholder { position: absolute; inset: 0; }
.image-workbench .model-card .m-thumb-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover; display: block;
  background: var(--black-alpha-4);
}
.image-workbench .model-card .m-name { font-size: 12.5px; font-weight: 500; color: var(--accent-black); }
.image-workbench .model-card.selected .m-name { color: var(--heat); }
.image-workbench .model-card .m-tag {
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--black-alpha-48); letter-spacing: .02em;
}
.image-workbench .model-card .m-check {
  position: absolute; top: 14px; right: 14px;
  width: 22px; height: 22px;
  background: var(--surface);
  border: 1.5px solid var(--black-alpha-24);
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--accent-white); z-index: 2;
}
.image-workbench .model-card .m-check svg { width: 11px; height: 11px; opacity: 0; }
.image-workbench .model-card.selected .m-check { background: var(--heat); border-color: var(--heat); }
.image-workbench .model-card.selected .m-check svg { opacity: 1; }

/* ── 平台选择 · 3 列卡多选(基线 .platform-card)── */
.image-workbench .platform-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}
.image-workbench .platform-card {
  position: relative;
  background: var(--background-lighter);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  padding: 10px 6px;
  cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  text-align: center;
  font-family: inherit;
  transition: background var(--t-base), border-color var(--t-base);
}
.image-workbench .platform-card:hover { background: var(--surface); }
.image-workbench .platform-card.selected { border-color: var(--heat); background: var(--heat-12); }
.image-workbench .platform-card .p-logo {
  width: 32px; height: 32px;
  border-radius: var(--r-md);
  display: grid; place-items: center;
  color: var(--accent-white);
  font-family: var(--font-mono); font-size: 11px; font-weight: 700;
}
.image-workbench .platform-card .p-name { font-size: 11.5px; color: var(--accent-black); font-weight: 500; }
.image-workbench .platform-card.selected .p-name { color: var(--heat); }
.image-workbench .platform-card .p-check {
  position: absolute; top: 4px; right: 4px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: transparent;
  border: 1.5px solid var(--black-alpha-24);
}
.image-workbench .platform-card.selected .p-check {
  background: var(--heat); border-color: var(--heat);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23ffffff' stroke-width='2.5'%3E%3Cpolyline points='3 8 7 12 13 4'/%3E%3C/svg%3E");
  background-position: center; background-size: 10px 10px; background-repeat: no-repeat;
  border: 0;
}
/* 平台 logo 配色(基线 .p-logo.* · scoped 命名,不写裸色到全局) */
.image-workbench .p-logo-dy { background: #000; }
.image-workbench .p-logo-tb { background: #ff6f00; }
.image-workbench .p-logo-tm { background: #ff0036; }
.image-workbench .p-logo-jd { background: #e1251b; }
.image-workbench .p-logo-pdd { background: #e02e24; }
.image-workbench .p-logo-xhs { background: #ff2741; }
.image-workbench .p-logo-ks { background: #ff4906; }
.image-workbench .p-logo-sph { background: #07c160; }
.image-workbench .p-logo-amz { background: #ff9900; }
.image-workbench .p-logo-al { background: #2c4af1; }

/* 左栏底部 · 立即生成(主 CTA · 通栏) */
.image-workbench .iw-cta { margin-top: auto; padding-top: 14px; }
.image-workbench .iw-cta .btn {
  width: 100%;
  justify-content: center;
  height: 44px;
  font-size: 14px;
}
.image-workbench .iw-cta-hint {
  margin-top: 8px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--black-alpha-48); letter-spacing: .02em;
  text-align: center; line-height: 1.5;
}

/* ── 右 · 结果预览 ── */
.image-workbench .iw-preview {
  background: var(--background-base);
  overflow-y: auto;
  padding: 18px 22px;
  display: flex; flex-direction: column;
  min-height: 0;
}

/* prompt-style summary 卡片(引号 icon + 灰底 + 右上 meta) */
.image-workbench .iw-pv-h {
  position: relative;
  background: var(--background-lighter);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  padding: 14px 18px 14px 44px;
  margin-bottom: 14px;
}
.image-workbench .iw-pv-h .quote-icon {
  position: absolute; top: 13px; left: 16px;
  width: 18px; height: 18px;
  color: var(--black-alpha-24);
}
.image-workbench .iw-pv-h .pv-meta {
  float: right;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--black-alpha-48); letter-spacing: .04em;
  line-height: 1.5;
}
.image-workbench .iw-pv-h .pv-meta b { color: var(--accent-black); font-weight: 600; }
.image-workbench .iw-pv-h .pv-line {
  font-size: 13px; color: var(--accent-black);
  line-height: 1.6;
  display: flex; align-items: center;
}
.image-workbench .iw-pv-h .pv-line + .pv-line { margin-top: 2px; }
.image-workbench .iw-pv-h .pv-line .k {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--black-alpha-48); letter-spacing: .04em;
  margin-right: 8px; min-width: 36px;
}
.image-workbench .iw-pv-h .pv-line .v {
  font-weight: 500;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* 结果区:复用 §4.18 .gen-card 规范结构(scoped 实现 · 仅 token) */
.image-workbench .gen-card {
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  padding: 16px;
  display: flex; flex-direction: column; gap: 14px;
}
.image-workbench .gen-meta {
  display: flex; align-items: center; gap: 8px;
  padding: 0 4px;
  font-family: var(--font-mono); font-size: 11.5px;
  color: var(--black-alpha-48); letter-spacing: .04em;
}
.image-workbench .gen-meta .m-sep { color: var(--black-alpha-24); }
.image-workbench .gen-images {
  display: grid;
  grid-template-columns: repeat(var(--cols, 4), 1fr);
  gap: 10px;
}
@media (max-width: 1400px) {
  .image-workbench .gen-images { grid-template-columns: repeat(2, 1fr); }
}
.image-workbench .gen-image {
  position: relative;
  aspect-ratio: var(--ratio, 1 / 1);
  border-radius: var(--r-md);
  overflow: hidden;
  cursor: pointer;
}
.image-workbench .gen-image .placeholder { position: absolute; inset: 0; }
/* 生成结果真图 · 填满 .gen-image(比例由容器 aspect-ratio 控制) */
.image-workbench .gen-image-img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
  background: var(--black-alpha-4);
}
/* 右上浮层按钮组(§4.18 .gen-image-actions) */
.image-workbench .gen-image-actions {
  position: absolute; top: 8px; right: 8px;
  display: flex; gap: 2px;
  padding: 2px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .08);
  opacity: 0; z-index: 2;
  transition: opacity var(--t-base);
}
.image-workbench .gen-image:hover .gen-image-actions { opacity: 1; }
.image-workbench .gen-img-btn {
  width: 28px; height: 28px;
  border: 0; border-radius: 6px;
  background: transparent;
  color: var(--black-alpha-56);
  cursor: pointer;
  display: grid; place-items: center;
  transition: background var(--t-base), color var(--t-base);
}
.image-workbench .gen-img-btn:hover { background: var(--black-alpha-4); color: var(--accent-black); }
.image-workbench .gen-img-btn svg { width: 14px; height: 14px; }
/* 底部操作按钮行(§4.18 .gen-card-actions · 二级 + ghost · 不放主橙) */
.image-workbench .gen-card-actions {
  display: flex; gap: 8px;
  padding-top: 4px;
}

/* 预览区空态 */
.image-workbench .iw-pv-empty {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
  padding: 40px 24px;
  gap: 6px;
}
.image-workbench .iw-pv-empty .mono {
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--black-alpha-48); letter-spacing: .06em;
  margin-bottom: 4px;
}
.image-workbench .iw-pv-empty .title { font-size: 14px; font-weight: 600; color: var(--accent-black); }
.image-workbench .iw-pv-empty .hint {
  font-size: 12.5px; color: var(--black-alpha-48);
  line-height: 1.6; max-width: 320px;
}
.image-workbench .iw-pv-empty .hint b { color: var(--heat); font-weight: 600; }

/* 生成中占位 · 脉冲(loading 态) */
.image-workbench .gen-image.gen .placeholder { animation: iw-gen-pulse 1.4s ease-in-out infinite; }
@keyframes iw-gen-pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: .55; }
}

/* ════════════════════════════════════════════════
   mode=image · 对话流形态(基线 image-optimize.html · design.md §4.13)
   外层两栏:左会话列表 + 右对话流(底部固定 chat 输入栏)
   ════════════════════════════════════════════════ */
.image-workbench.iw-chat {
  flex-direction: row;
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
}
@media (max-width: 1100px) {
  .image-workbench.iw-chat { grid-template-columns: 200px minmax(0, 1fr); }
}

/* 左 · 会话栏 */
.image-workbench .ic-side {
  border-right: 1px solid var(--border-faint);
  background: var(--surface);
  display: flex; flex-direction: column;
  min-height: 0; overflow: hidden;
}
.image-workbench .ic-side-h {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 14px 10px;
  border-bottom: 1px solid var(--border-faint);
}
.image-workbench .ic-new-conv {
  margin: 10px 12px 0;
  height: 36px;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 0 12px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  color: var(--accent-black);
  font-size: 13px; font-weight: 500;
  font-family: inherit; cursor: pointer;
  transition: border-color var(--t-base), background var(--t-base), color var(--t-base);
}
.image-workbench .ic-new-conv:hover { border-color: var(--heat-20); background: var(--heat-12); color: var(--heat); }
.image-workbench .ic-new-conv svg { width: 13px; height: 13px; }
.image-workbench .ic-side-sec {
  margin: 16px 14px 6px;
  font-family: var(--font-mono); font-size: 10px;
  color: var(--black-alpha-48); letter-spacing: .08em;
  text-transform: uppercase;
}
.image-workbench .ic-conv-list {
  padding: 0 6px;
  display: flex; flex-direction: column; gap: 2px;
}
.image-workbench .ic-conv-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px;
  border-radius: var(--r-sm);
  cursor: pointer;
  color: var(--accent-black);
  transition: background var(--t-base);
}
.image-workbench .ic-conv-item:hover { background: var(--background-lighter); }
.image-workbench .ic-conv-item.active { background: var(--heat-12); }
.image-workbench .ic-conv-item .thumb {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: var(--background-lighter);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  display: grid; place-items: center;
  color: var(--black-alpha-32);
}
.image-workbench .ic-conv-item .thumb.default {
  background: var(--accent-black); color: var(--accent-white); border-color: var(--accent-black);
}
.image-workbench .ic-conv-item .thumb svg { width: 13px; height: 13px; }
.image-workbench .ic-conv-item .nm {
  flex: 1; min-width: 0;
  font-size: 12.5px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.image-workbench .ic-conv-item.active .nm { color: var(--heat); font-weight: 600; }
.image-workbench .ic-conv-empty {
  padding: 14px 12px;
  font-size: 11.5px; color: var(--black-alpha-48); line-height: 1.55;
}
.image-workbench .ic-conv-empty .mono {
  font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: .02em; display: inline-block; margin-top: 4px;
}

/* 右 · 对话流主体 */
.image-workbench .ic-main {
  display: flex; flex-direction: column;
  min-height: 0; position: relative;
}
.image-workbench .ic-stream {
  flex: 1; min-height: 0;
  overflow-y: auto;
  padding: 28px 28px 220px;     /* 底部留出输入栏高度 */
  background: var(--background-base);
}
.image-workbench .ic-stream-inner {
  max-width: 1180px; margin: 0 auto;
  display: flex; flex-direction: column; gap: 32px;
}

/* 空态 · 中央 hero「开始你的创作」+ 提示词建议 chip */
.image-workbench .ic-empty {
  min-height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px; padding: 40px;
  text-align: center;
}
.image-workbench .ic-empty .ic {
  width: 64px; height: 64px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  display: grid; place-items: center;
  color: var(--heat);
}
.image-workbench .ic-empty .badge {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .08em; color: var(--black-alpha-48);
  text-transform: uppercase;
}
.image-workbench .ic-empty h2 {
  font-size: 22px; font-weight: 600;
  color: var(--accent-black); letter-spacing: -.015em;
}
.image-workbench .ic-empty p {
  font-size: 13px; color: var(--black-alpha-56);
  max-width: 460px; line-height: 1.6;
}
.image-workbench .ic-empty .examples {
  margin-top: 10px;
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
  max-width: 720px;
}
.image-workbench .ic-empty .examples .ex {
  padding: 6px 12px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-pill);
  font-size: 12px; color: var(--black-alpha-72);
  font-family: inherit; cursor: pointer;
  transition: border-color var(--t-base), color var(--t-base), background var(--t-base);
}
.image-workbench .ic-empty .examples .ex:hover { border-color: var(--heat-20); color: var(--heat); background: var(--heat-12); }

/* 单条对话(提示词块 + 结果网格) */
.image-workbench .ic-msg { display: flex; flex-direction: column; gap: 14px; }
.image-workbench .ic-msg-prompt { display: flex; align-items: flex-start; gap: 12px; }
.image-workbench .ic-msg-prompt .quote {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: var(--r-sm);
  background: var(--surface);
  border: 1px solid var(--border-faint);
  color: var(--heat);
  display: grid; place-items: center;
}
.image-workbench .ic-msg-prompt .quote svg { width: 13px; height: 13px; }
.image-workbench .ic-msg-prompt .pt { flex: 1; min-width: 0; padding-top: 4px; }
.image-workbench .ic-msg-prompt .pt-text {
  font-size: 14px; color: var(--accent-black);
  line-height: 1.55; word-break: break-word;
}
.image-workbench .ic-msg-prompt .pt-tags {
  margin-top: 8px;
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--black-alpha-48); letter-spacing: .02em;
}
.image-workbench .ic-msg-prompt .pt-tags .meta-chip {
  padding: 2px 8px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
}
.image-workbench .ic-msg-prompt .pt-tags .sep { color: var(--black-alpha-24); }

/* 底部 · chat 输入栏 */
.image-workbench .ic-input-wrap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 14px 28px 22px;
  background: linear-gradient(to bottom, transparent 0, var(--background-base) 24px);
  z-index: 5;
}
.image-workbench .ic-input {
  max-width: 1180px; margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  padding: 12px 14px 10px;
  display: flex; flex-direction: column; gap: 8px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .06);
  transition: border-color var(--t-base);
}
.image-workbench .ic-input:focus-within { border-color: var(--heat-40); }
.image-workbench .ic-input-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.image-workbench .ic-input-top .add-btn {
  flex-shrink: 0;
  width: 64px; height: 64px;
  background: var(--background-lighter);
  border: 1px dashed var(--border-faint);
  border-radius: var(--r-md);
  display: grid; place-items: center;
  color: var(--black-alpha-56); cursor: pointer;
  transition: border-color var(--t-base), color var(--t-base), background var(--t-base);
}
.image-workbench .ic-input-top .add-btn:hover { border-color: var(--heat-40); color: var(--heat); background: var(--heat-12); }
.image-workbench .ic-input-text {
  width: 100%;
  border: 0; outline: 0; resize: none;
  background: transparent;
  font-family: inherit; font-size: 14px; line-height: 1.5;
  color: var(--accent-black);
  min-height: 44px; max-height: 220px;
  padding: 4px 2px;
}
.image-workbench .ic-input-text::placeholder { color: var(--black-alpha-48); }
.image-workbench .ic-input-bottom { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.image-workbench .ic-input-bottom .right-meta {
  margin-left: auto;
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--black-alpha-48); letter-spacing: .02em;
}
.image-workbench .ic-input-bottom .right-meta .val { color: var(--accent-black); }
.image-workbench .ic-input .send-btn {
  flex-shrink: 0;
  width: 32px; height: 32px;
  background: var(--heat); color: var(--accent-white);
  border: 0; border-radius: var(--r-md);
  cursor: pointer;
  display: grid; place-items: center;
  transition: opacity var(--t-base), filter var(--t-base);
  margin-left: 8px;
}
.image-workbench .ic-input .send-btn:hover { filter: brightness(1.05); }
.image-workbench .ic-input .send-btn:disabled { opacity: .4; cursor: not-allowed; }
.image-workbench .ic-input .send-btn svg { width: 15px; height: 15px; }

/* 输入栏参数胶囊(比例 / 风格 / 张数 · 基线 .param + 下拉气泡) */
.image-workbench .ic-param { position: relative; outline: none; }
.image-workbench .ic-param-btn {
  display: inline-flex; align-items: center; gap: 4px;
  height: 26px; padding: 0 9px;
  background: var(--background-lighter);
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: 11.5px; color: var(--black-alpha-72);
  font-family: inherit; cursor: pointer;
  transition: border-color var(--t-base), color var(--t-base), background var(--t-base);
}
.image-workbench .ic-param-btn:hover { background: var(--surface); border-color: var(--border-faint); }
.image-workbench .ic-param.open .ic-param-btn { background: var(--heat-12); color: var(--heat); border-color: transparent; }
.image-workbench .ic-param-btn .lbl-mono {
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--black-alpha-48); letter-spacing: .02em; margin-right: 1px;
}
.image-workbench .ic-param.open .ic-param-btn .lbl-mono { color: var(--heat); }
.image-workbench .ic-param-btn svg { width: 10px; height: 10px; opacity: .6; }
.image-workbench .ic-param.open .ic-param-btn svg { transform: rotate(180deg); }
.image-workbench .ic-param-menu {
  position: absolute; bottom: calc(100% + 6px); left: -2px;
  min-width: 140px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .08);
  padding: 4px;
  display: none;
  z-index: 30;
}
.image-workbench .ic-param.open .ic-param-menu { display: block; }
.image-workbench .ic-param-menu .mi {
  width: 100%;
  display: flex; align-items: center; gap: 8px;
  padding: 7px 10px;
  border: 0; border-radius: var(--r-sm);
  background: transparent;
  font-size: 12.5px; color: var(--accent-black);
  font-family: inherit; text-align: left; cursor: pointer;
}
.image-workbench .ic-param-menu .mi:hover { background: var(--background-lighter); }
.image-workbench .ic-param-menu .mi.selected { color: var(--heat); font-weight: 600; }
.image-workbench .ic-param-menu .mi .mi-check { margin-left: auto; opacity: 0; color: var(--heat); }
.image-workbench .ic-param-menu .mi.selected .mi-check { opacity: 1; }

/* ============================================================
   C · 模特图方案对比 Demo(.model-demo · 纯静态展示)
   基线:public/exact/model-photo-demo-a.html(参数面板 + 结果双栏)
        public/exact/model-photo-demo-b.html(任务流 + 底部 fixed 参数栏)
   逐字对齐 .content 级正文。全局 token + 共享 .pill;.content padding 抵消同 .image-workbench。
   ============================================================ */
.model-demo {
  /* 抵消 .content 的 36/48/60 padding,贴边铺满(同 .image-workbench 思路) */
  margin: -36px -48px -60px;
  height: calc(100vh - 65px);
  display: flex; flex-direction: column;
  background: var(--background-base);
  overflow: hidden;
}

/* 顶部 demo 提示条(两版共用) */
.model-demo .dm-banner {
  flex-shrink: 0;
  margin: 12px 28px 0;
  padding: 8px 12px;
  background: var(--heat-12);
  border: 1px dashed var(--heat-20);
  border-radius: var(--r-sm);
  font-size: 12px; color: var(--accent-black);
  font-family: var(--font-mono); letter-spacing: .02em; line-height: 1.5;
}
.model-demo .dm-banner b { color: var(--heat); }

/* 两栏:左侧栏 260px + 主区 */
.model-demo .dm-grid {
  flex: 1; min-height: 0;
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
}
@media (max-width: 1100px) {
  .model-demo .dm-grid { grid-template-columns: 220px minmax(0, 1fr); }
}

/* ── 左侧栏 · 商品空间(两版共用) ── */
.model-demo .dm-side {
  border-right: 1px solid var(--border-faint);
  background: var(--surface);
  display: flex; flex-direction: column;
  min-height: 0;
}
.model-demo .dm-side-h { padding: 14px 14px 10px; flex-shrink: 0; }
.model-demo .dm-side-h .ti-row { display: flex; align-items: center; margin-bottom: 10px; }
.model-demo .dm-side-h .ti {
  font-size: 11px; font-family: var(--font-mono);
  color: var(--black-alpha-48); letter-spacing: .08em; text-transform: uppercase;
}
.model-demo .dm-side-h .add {
  margin-left: auto;
  width: 22px; height: 22px;
  display: grid; place-items: center;
  background: var(--heat-12); color: var(--heat);
  border: 0; border-radius: var(--r-sm);
  cursor: pointer;
}
.model-demo .dm-side-h .add svg { width: 11px; height: 11px; }

.model-demo .dm-search {
  display: flex; align-items: center; gap: 8px;
  height: 32px; padding: 0 10px;
  background: var(--background-lighter);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  transition: border-color var(--t-base), background var(--t-base);
}
.model-demo .dm-search:focus-within { border-color: var(--heat-40); background: var(--surface); }
.model-demo .dm-search svg { width: 13px; height: 13px; color: var(--black-alpha-48); flex-shrink: 0; }
.model-demo .dm-search input {
  flex: 1; min-width: 0; height: 100%;
  border: 0; outline: 0; background: transparent;
  font-size: 12.5px; color: var(--accent-black); font-family: inherit;
}
.model-demo .dm-search input::placeholder { color: var(--black-alpha-48); }

.model-demo .dm-prod-list {
  flex: 1; min-height: 0;
  overflow-y: auto;
  padding: 4px 10px 10px;
  display: flex; flex-direction: column; gap: 4px;
}
.model-demo .dm-prod {
  display: flex; align-items: center; gap: 10px;
  padding: 8px;
  border: 1px solid transparent;
  border-radius: var(--r-sm);
  cursor: pointer; text-align: left;
  background: transparent; font-family: inherit;
  transition: background var(--t-base), border-color var(--t-base);
}
.model-demo .dm-prod:hover { background: var(--background-lighter); }
.model-demo .dm-prod.active { background: var(--heat-12); border-color: var(--heat-20); }
.model-demo .dm-prod .thumb {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  overflow: hidden;
  background: repeating-linear-gradient(135deg, transparent 0 4px, var(--black-alpha-4) 4px 5px);
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 9px; color: var(--black-alpha-32);
}
.model-demo .dm-prod.active .thumb { border-color: var(--heat); }
.model-demo .dm-prod .body { flex: 1; min-width: 0; }
.model-demo .dm-prod .nm {
  font-size: 12.5px; color: var(--accent-black); font-weight: 500; line-height: 1.3;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.model-demo .dm-prod.active .nm { color: var(--heat); font-weight: 600; }
.model-demo .dm-prod .sub {
  margin-top: 2px;
  font-family: var(--font-mono); font-size: 10px;
  color: var(--black-alpha-48); letter-spacing: .02em;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.model-demo .dm-all {
  flex-shrink: 0;
  margin: 0 10px 12px;
  padding: 10px 12px;
  background: var(--background-lighter);
  border: 1px dashed var(--border-faint);
  border-radius: var(--r-sm);
  color: var(--black-alpha-72);
  font-size: 12px; font-family: inherit; cursor: pointer;
  display: flex; align-items: center; gap: 6px;
  transition: border-color var(--t-base), color var(--t-base), background var(--t-base);
}
.model-demo .dm-all:hover { border-color: var(--heat); color: var(--heat); background: var(--heat-12); }
.model-demo .dm-all .ct {
  color: var(--black-alpha-48);
  font-family: var(--font-mono); font-size: 10.5px;
  margin-left: auto;
}
.model-demo .dm-all svg { width: 12px; height: 12px; }
.model-demo .dm-all .arrow { margin-left: 4px; }

/* 主区 · 返回 pill(基线无,挂主区头部,保留 onBack) */
.model-demo .dm-back {
  flex-shrink: 0;
  display: inline-flex; align-items: center; gap: 6px;
  height: 30px; padding: 0 12px 0 10px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-pill);
  color: var(--accent-black);
  font-size: 12.5px; font-weight: 500; font-family: inherit;
  cursor: pointer;
  transition: background var(--t-base), border-color var(--t-base), color var(--t-base);
}
.model-demo .dm-back:hover { background: var(--black-alpha-4); border-color: var(--black-alpha-24); }
.model-demo .dm-back svg { width: 14px; height: 14px; }

/* ── 主区(两版共用骨架) ── */
.model-demo .dm-main {
  display: flex; flex-direction: column;
  min-height: 0; overflow: hidden;
  position: relative;
}

/* 批次卡(两版共用) */
.model-demo .dm-batch {
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  padding: 14px 16px;
  margin-bottom: 14px;
}
.model-demo .dm-batch-h .pic {
  flex-shrink: 0;
  width: 28px; height: 28px;
  background: var(--background-lighter);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  display: grid; place-items: center;
  color: var(--heat);
  font-family: var(--font-mono); font-size: 11px; font-weight: 600;
}
.model-demo .dm-batch-h .meta { flex: 1; min-width: 0; }
.model-demo .dm-batch-h .nm { font-size: 13px; font-weight: 600; color: var(--accent-black); }
.model-demo .dm-batch-h .info { margin-top: 2px; font-family: var(--font-mono); font-size: 10.5px; color: var(--black-alpha-48); letter-spacing: .02em; }
.model-demo .dm-batch-h .info .sep { color: var(--black-alpha-24); }
.model-demo .dm-batch-h .ops { display: flex; gap: 4px; }
.model-demo .dm-batch-h .ops button {
  width: 28px; height: 28px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  color: var(--black-alpha-56); cursor: pointer;
  display: grid; place-items: center;
  transition: border-color var(--t-base), color var(--t-base);
}
.model-demo .dm-batch-h .ops button:hover { border-color: var(--heat-20); color: var(--heat); }
.model-demo .dm-batch-h .ops button svg { width: 13px; height: 13px; }

.model-demo .dm-batch-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
@media (max-width: 1400px) { .model-demo .dm-batch-grid { grid-template-columns: repeat(3, 1fr); } }
.model-demo .dm-cell {
  aspect-ratio: 3 / 4;
  background: var(--background-lighter);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  overflow: hidden; position: relative; cursor: pointer;
}
.model-demo .dm-cell .ph {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 11px; color: var(--black-alpha-32);
  background: repeating-linear-gradient(135deg, transparent 0 6px, var(--black-alpha-3) 6px 7px);
}
.model-demo .dm-cell .tag {
  position: absolute; top: 6px; left: 6px;
  padding: 2px 6px;
  background: var(--accent-black);
  color: var(--accent-white);
  border-radius: var(--r-sm);
  font-size: 10px; font-weight: 500;
}

/* ════════════════════════════════════════════════
   方案 A · 参数面板 + 结果双栏
   ════════════════════════════════════════════════ */
.model-demo.dm-a .dm-main-h {
  flex-shrink: 0;
  display: flex; align-items: center; gap: 14px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--border-faint);
  background: var(--surface);
}
.model-demo.dm-a .dm-main-h .cur { min-width: 0; }
.model-demo.dm-a .dm-main-h .crumb {
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--black-alpha-48); letter-spacing: .04em;
}
.model-demo.dm-a .dm-main-h h2 {
  font-size: 20px; font-weight: 600;
  letter-spacing: -.015em; color: var(--accent-black);
}
.model-demo.dm-a .dm-main-h .stats {
  margin-left: auto;
  display: flex; gap: 6px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--black-alpha-48); letter-spacing: .02em;
}
.model-demo.dm-a .dm-main-h .stats b { color: var(--accent-black); font-weight: 600; }
.model-demo.dm-a .dm-main-h .stats .sep { color: var(--black-alpha-24); }

.model-demo.dm-a .dm-body {
  flex: 1; min-height: 0;
  display: grid; grid-template-columns: 320px minmax(0, 1fr);
}
@media (max-width: 1100px) { .model-demo.dm-a .dm-body { grid-template-columns: 280px minmax(0, 1fr); } }

/* 左侧参数面板 */
.model-demo.dm-a .dm-form {
  border-right: 1px solid var(--border-faint);
  background: var(--surface);
  display: flex; flex-direction: column;
  min-height: 0;
}
.model-demo.dm-a .dm-form-scroll { flex: 1; min-height: 0; overflow-y: auto; padding: 16px 18px; }
.model-demo.dm-a .dm-field { margin-bottom: 16px; }
.model-demo.dm-a .dm-field:last-child { margin-bottom: 0; }
.model-demo.dm-a .dm-field-h { font-size: 12px; font-weight: 600; color: var(--accent-black); margin-bottom: 8px; }
.model-demo.dm-a .dm-field-h .opt { font-weight: 400; font-size: 11px; color: var(--black-alpha-48); margin-left: 4px; }

.model-demo.dm-a .dm-models { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.model-demo.dm-a .dm-model {
  aspect-ratio: 3 / 4;
  border: 1px solid var(--border-faint);
  background: var(--background-lighter);
  border-radius: var(--r-sm);
  position: relative; cursor: pointer; overflow: hidden;
  transition: border-color var(--t-base);
}
.model-demo.dm-a .dm-model:hover { border-color: var(--black-alpha-32); }
.model-demo.dm-a .dm-model.selected { border-color: var(--heat); border-width: 2px; }
.model-demo.dm-a .dm-model .ph {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 10px; color: var(--black-alpha-32);
  background: repeating-linear-gradient(135deg, transparent 0 6px, var(--black-alpha-3) 6px 7px);
}
.model-demo.dm-a .dm-model .nm {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 4px 6px;
  background: linear-gradient(transparent, var(--black-alpha-48));
  font-size: 10px; color: var(--accent-white); font-weight: 500;
}
.model-demo.dm-a .dm-model.selected::after {
  content: ''; position: absolute; top: 4px; right: 4px;
  width: 14px; height: 14px;
  background: var(--heat) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") no-repeat center / 9px;
  border-radius: 50%;
}
.model-demo.dm-a .dm-model.add {
  border-style: dashed;
  display: flex; align-items: center; justify-content: center;
  color: var(--black-alpha-48);
}

.model-demo.dm-a .dm-chip-row { display: flex; flex-wrap: wrap; gap: 6px; }
.model-demo.dm-a .dm-chip {
  display: inline-flex; align-items: center;
  height: 28px; padding: 0 11px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  font-size: 12px; color: var(--black-alpha-72);
  font-family: inherit; cursor: pointer;
  transition: border-color var(--t-base), color var(--t-base), background var(--t-base);
}
.model-demo.dm-a .dm-chip:hover { border-color: var(--black-alpha-32); color: var(--accent-black); }
.model-demo.dm-a .dm-chip.active { background: var(--heat-12); color: var(--heat); border-color: var(--heat-20); font-weight: 600; }

.model-demo.dm-a .dm-textarea {
  width: 100%; min-height: 60px;
  padding: 8px 10px;
  background: var(--background-lighter);
  border: 1px solid var(--black-alpha-12);
  border-radius: var(--r-sm);
  font-family: inherit; font-size: 12.5px;
  color: var(--accent-black);
  outline: none; resize: vertical;
}
.model-demo.dm-a .dm-textarea::placeholder { color: var(--black-alpha-48); }
.model-demo.dm-a .dm-textarea:focus { border-color: var(--heat-40); background: var(--surface); }

.model-demo.dm-a .dm-form-cta {
  flex-shrink: 0;
  padding: 14px 18px;
  border-top: 1px solid var(--border-faint);
  background: var(--surface);
}
.model-demo.dm-a .dm-cost {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--black-alpha-48); letter-spacing: .02em;
}
.model-demo.dm-a .dm-cost .v { color: var(--accent-black); font-weight: 600; }
.model-demo.dm-a .dm-gen {
  width: 100%; height: 42px;
  background: var(--heat); color: var(--accent-white);
  border: 1px solid var(--heat); border-radius: var(--r-md);
  font-size: 14px; font-weight: 600; font-family: inherit;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  box-shadow: var(--shadow-cta);
}
.model-demo.dm-a .dm-gen svg { width: 15px; height: 15px; }

/* 右侧结果区 */
.model-demo.dm-a .dm-result {
  background: var(--background-base);
  min-height: 0; overflow-y: auto;
  padding: 22px 24px;
}
.model-demo.dm-a .dm-result-h { display: flex; align-items: baseline; gap: 10px; margin-bottom: 14px; }
.model-demo.dm-a .dm-result-h .ti { font-size: 15px; font-weight: 600; color: var(--accent-black); }
.model-demo.dm-a .dm-result-h .sub { font-family: var(--font-mono); font-size: 10.5px; color: var(--black-alpha-48); letter-spacing: .02em; }
.model-demo.dm-a .dm-batch-h {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px; padding-bottom: 10px;
  border-bottom: 1px solid var(--border-faint);
}

/* ════════════════════════════════════════════════
   方案 B · v2:任务流主区 + 底部 fixed 参数栏
   ════════════════════════════════════════════════ */
.model-demo.dm-b .dm-main-h {
  flex-shrink: 0;
  padding: 16px 28px 12px;
  border-bottom: 1px solid var(--border-faint);
  background: var(--surface);
}
.model-demo.dm-b .dm-main-h .crumb {
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--black-alpha-48); letter-spacing: .04em; margin-bottom: 4px;
}
.model-demo.dm-b .dm-main-h .title-row { display: flex; align-items: center; gap: 14px; }
.model-demo.dm-b .dm-main-h h2 {
  font-size: 22px; font-weight: 600;
  letter-spacing: -.015em; color: var(--accent-black);
}
.model-demo.dm-b .dm-main-h .title-row .dm-back { margin-left: auto; }
.model-demo.dm-b .dm-main-h .row { display: flex; align-items: center; gap: 16px; margin-top: 6px; }
.model-demo.dm-b .dm-main-h .stats {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--black-alpha-48); letter-spacing: .02em;
  display: flex; gap: 4px;
}
.model-demo.dm-b .dm-main-h .stats b { color: var(--accent-black); font-weight: 600; }
.model-demo.dm-b .dm-main-h .stats .sep { color: var(--black-alpha-24); }
.model-demo.dm-b .dm-main-h .spacer { flex: 1; }

.model-demo.dm-b .dm-tb { display: flex; gap: 8px; align-items: center; }
.model-demo.dm-b .dm-tb .icbtn {
  width: 30px; height: 30px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  color: var(--black-alpha-72);
  cursor: pointer; display: grid; place-items: center;
  transition: border-color var(--t-base), color var(--t-base);
}
.model-demo.dm-b .dm-tb .icbtn:hover { border-color: var(--heat-20); color: var(--heat); }
.model-demo.dm-b .dm-tb .icbtn svg { width: 13px; height: 13px; }
.model-demo.dm-b .dm-tb .chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 30px; padding: 0 10px;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  font-size: 12px; color: var(--black-alpha-72);
  font-family: inherit; cursor: pointer;
  transition: border-color var(--t-base), color var(--t-base);
}
.model-demo.dm-b .dm-tb .chip:hover { border-color: var(--heat-20); color: var(--heat); }
.model-demo.dm-b .dm-tb .chip svg { width: 10px; height: 10px; opacity: .6; }

.model-demo.dm-b .dm-stream {
  flex: 1; min-height: 0;
  overflow-y: auto;
  padding: 22px 28px 200px;
  background: var(--background-base);
}
.model-demo.dm-b .dm-day-h {
  display: flex; align-items: baseline; gap: 8px;
  margin: 6px 0 10px;
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--black-alpha-48); letter-spacing: .06em; text-transform: uppercase;
}
.model-demo.dm-b .dm-day-h::before {
  content: ''; width: 14px; height: 1px;
  background: var(--black-alpha-24);
  display: inline-block; margin-right: 2px;
}
.model-demo.dm-b .dm-day-h .ct {
  color: var(--black-alpha-72); font-weight: 500;
  margin-left: auto; text-transform: none; letter-spacing: 0;
}

.model-demo.dm-b .dm-batch-h { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.model-demo.dm-b .dm-batch-h .nm { font-size: 13.5px; }
.model-demo.dm-b .dm-batch-h .info { display: flex; flex-wrap: wrap; gap: 4px; }
/* 状态 pill 紧贴标题右侧(局部尺寸变体 · 不改全局 .pill) */
.model-demo.dm-b .stat-pill {
  margin-left: 8px;
  padding: 2px 7px;
  font-size: 10px;
}
.model-demo.dm-b .stat-pill .dot { width: 4px; height: 4px; }

.model-demo.dm-b .dm-cell.gen .ph { animation: dm-pulse 1.4s ease-in-out infinite; }
@keyframes dm-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }
.model-demo.dm-b .dm-cell.err { border-color: var(--accent-crimson); }
.model-demo.dm-b .dm-cell.err .ph { color: var(--accent-crimson); background: var(--crimson-bg); }

/* 底部 fixed 参数面板 */
.model-demo.dm-b .dm-param-wrap {
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 14px 28px 22px;
  background: linear-gradient(to bottom, transparent 0, var(--background-base) 24px);
  z-index: 5;
}
.model-demo.dm-b .dm-param {
  max-width: 1180px; margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  padding: 10px 14px;
  display: flex; align-items: center; gap: 10px;
  box-shadow: var(--shadow-floating);
}
.model-demo.dm-b .dm-param .pchip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 30px; padding: 0 12px;
  background: var(--background-lighter);
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: 12px; color: var(--black-alpha-72);
  cursor: pointer; font-family: inherit;
  transition: border-color var(--t-base), background var(--t-base), color var(--t-base);
}
.model-demo.dm-b .dm-param .pchip:hover { background: var(--surface); border-color: var(--border-faint); }
.model-demo.dm-b .dm-param .pchip.active { background: var(--heat-12); color: var(--heat); }
.model-demo.dm-b .dm-param .pchip svg { width: 10px; height: 10px; opacity: .6; }
.model-demo.dm-b .dm-param .pchip .lbl-mono {
  font-family: var(--font-mono); font-size: 10px;
  color: var(--black-alpha-48); letter-spacing: .02em;
}
.model-demo.dm-b .dm-param .pchip.active .lbl-mono { color: var(--heat); }
.model-demo.dm-b .dm-param .pchip .muted { color: var(--black-alpha-48); }
.model-demo.dm-b .dm-param .spacer { flex: 1; }
.model-demo.dm-b .dm-param .meta-right {
  font-family: var(--font-mono); font-size: 10.5px;
  color: var(--black-alpha-48); letter-spacing: .02em;
  margin-right: 6px; text-align: right;
}
.model-demo.dm-b .dm-param .meta-right .v { color: var(--accent-black); font-weight: 600; }
.model-demo.dm-b .dm-param .gen-btn {
  height: 38px; padding: 0 20px;
  background: var(--heat); color: var(--accent-white);
  border: 0; border-radius: var(--r-md);
  font-size: 13.5px; font-weight: 600; font-family: inherit;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 8px;
  box-shadow: var(--shadow-cta);
}
.model-demo.dm-b .dm-param .gen-btn svg { width: 14px; height: 14px; }
