.page-products {
  --cat-rule: rgba(243, 237, 226, .14);
  --cat-rule-soft: rgba(243, 237, 226, .07);
  --cat-gap: clamp(18px, 3vw, 34px);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  padding-block: clamp(26px, 5vw, 64px) clamp(8px, 2vw, 20px);
  align-items: end;
}

.page-products .cat-hero h1 {
  margin: 10px 0 0;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .cat-hero .lead {
  margin-top: 18px;
  max-width: 40em;
  color: var(--mist);
}

.page-products .cat-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .cat-hero-aside {
  padding: 20px 22px 22px;
  border-radius: 14px;
}

.page-products .cat-aside-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-products .cat-aside-num {
  margin: 8px 0 0;
  font-family: var(--mono);
  font-weight: 500;
  font-size: clamp(40px, 9vw, 56px);
  line-height: 1;
  color: var(--paper);
}

.page-products .cat-aside-num span {
  margin-left: 6px;
  font-size: 15px;
  font-family: var(--sans);
  color: var(--mist);
}

.page-products .cat-aside-note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

.page-products .cat-aside-meta {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--cat-rule);
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 总览索引 ---------- */
.page-products .cat-table {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--cat-rule);
}

.page-products .cat-row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-areas:
    "num name"
    "num use"
    "num meta";
  gap: 4px 14px;
  padding: 16px 6px;
  border-bottom: 1px solid var(--cat-rule);
  text-decoration: none;
  color: inherit;
  transition: background .22s var(--ease), padding-left .22s var(--ease);
}

.page-products .cat-row:hover,
.page-products .cat-row:focus-visible {
  background: var(--glass);
}

.page-products .cat-num {
  grid-area: num;
  align-self: start;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--cyan);
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 2px;
  width: max-content;
}

.page-products .cat-row-name {
  grid-area: name;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  color: var(--paper);
}

.page-products .cat-row-use {
  grid-area: use;
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

.page-products .cat-row-meta {
  grid-area: meta;
  margin-top: 4px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-products .cat-row-meta b {
  display: block;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 13px;
  color: var(--orange);
}

/* ---------- 图片通用 ---------- */
.page-products .figure {
  width: 100%;
  margin: clamp(26px, 4vw, 42px) 0 0;
  border-radius: 12px;
  overflow: hidden;
}

.page-products .figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 左右并置 ---------- */
.page-products .cat-split {
  display: grid;
  gap: clamp(18px, 3vw, 34px);
}

.page-products .cat-rail-note {
  margin: 14px 0 0;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-products .cat-split-body p {
  margin: 0 0 16px;
}

.page-products .cat-steps {
  list-style: none;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .cat-steps li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 16px;
  border: 1px solid var(--cat-rule-soft);
  border-radius: 10px;
  background: var(--glass);
}

.page-products .cat-steps-num {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--cyan);
  line-height: 1.7;
}

.page-products .cat-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 导出格式 ---------- */
.page-products .format-row {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-products .format-fold {
  border: 1px solid var(--cat-rule);
  border-radius: 12px;
  background: var(--panel);
  overflow: hidden;
  transition: border-color .22s var(--ease);
}

.page-products .format-fold[data-open] {
  border-color: rgba(27, 224, 212, .45);
}

.page-products .format-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) 18px;
  gap: 12px;
  align-items: center;
  width: 100%;
  padding: 16px 16px;
  text-align: left;
}

.page-products .format-badge {
  display: inline-block;
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  line-height: 1.4;
}

.page-products .format-csv {
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--paper);
}

.page-products .format-json {
  border: 1px solid var(--cyan);
  border-radius: 999px;
  color: var(--cyan);
}

.page-products .format-pdf {
  border: 1px solid var(--orange);
  border-radius: 4px 14px 4px 14px;
  color: var(--orange);
}

.page-products .format-title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .format-cue {
  position: relative;
  width: 14px;
  height: 14px;
  justify-self: end;
}

.page-products .format-cue::before,
.page-products .format-cue::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 14px;
  height: 1.5px;
  background: var(--mist);
  transition: transform .25s var(--ease), background .25s var(--ease);
}

.page-products .format-cue::after {
  transform: rotate(90deg);
}

.page-products .format-fold[data-open] .format-cue::after {
  transform: rotate(0deg);
}

.page-products .format-fold[data-open] .format-cue::before,
.page-products .format-fold[data-open] .format-cue::after {
  background: var(--cyan);
}

.page-products .format-fold .fold-content {
  padding: 0 16px 18px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper);
}

.page-products .format-fold .fold-content p {
  margin: 0 0 10px;
}

.page-products .format-note {
  padding-top: 10px;
  border-top: 1px solid var(--cat-rule-soft);
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 适配刻度 ---------- */
.page-products .cat-scale {
  position: relative;
  display: flex;
  justify-content: space-between;
  gap: 6px;
  margin: clamp(28px, 5vw, 46px) 0 0;
  padding-top: 30px;
}

.page-products .cat-scale-line {
  position: absolute;
  top: 12px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan-deep), var(--cyan) 45%, var(--orange));
  border-radius: 2px;
  opacity: .8;
}

.page-products .cat-scale-tick {
  position: relative;
  flex: 1 1 0;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .02em;
  color: var(--mist);
  text-align: center;
}

.page-products .cat-scale-tick i {
  position: absolute;
  top: -22px;
  left: 50%;
  width: 8px;
  height: 8px;
  margin-left: -4px;
  border-radius: 50%;
  background: var(--panel);
  border: 1.5px solid var(--cyan);
}

.page-products .cat-scale-tick.is-hot {
  color: var(--paper);
}

.page-products .cat-scale-tick.is-hot i {
  background: var(--orange);
  border-color: var(--orange);
}

.page-products .cat-fit-grid {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 4vw, 34px);
}

.page-products .cat-fit-card {
  padding: 18px 20px;
  border-radius: 12px;
}

.page-products .cat-fit-title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 16px;
  color: var(--paper);
}

.page-products .cat-fit-card p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 补给批次条 ---------- */
.page-products .batch-strip {
  list-style: none;
  display: flex;
  gap: 12px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 2px 2px 14px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-products .batch-card {
  flex: 0 0 76%;
  scroll-snap-align: start;
  padding: 18px 18px 20px;
  border: 1px solid var(--cat-rule-soft);
  border-radius: 12px;
  background: var(--panel);
}

.page-products .batch-card.is-latest {
  border-color: rgba(255, 138, 61, .5);
  background: linear-gradient(160deg, rgba(255, 138, 61, .12), var(--panel) 62%);
}

.page-products .batch-date {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-products .batch-card.is-latest .batch-date {
  color: var(--orange);
}

.page-products .batch-count {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 34px;
  line-height: 1;
  color: var(--paper);
}

.page-products .batch-count span {
  margin-left: 5px;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--mist);
}

.page-products .batch-items {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--cat-rule-soft);
  display: grid;
  gap: 6px;
}

.page-products .batch-items li {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 三步流程 ---------- */
.page-products .cat-flow {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--cat-rule);
}

.page-products .cat-flow-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 20px 4px;
  border-bottom: 1px solid var(--cat-rule);
}

.page-products .cat-flow-num {
  font-family: var(--mono);
  font-size: 26px;
  line-height: 1;
  color: var(--cyan);
}

.page-products .cat-flow-item h3 {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 18px;
  color: var(--paper);
}

.page-products .cat-flow-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 42em;
}

.page-products .cat-handoff {
  margin-top: clamp(26px, 4vw, 40px);
  padding: 22px 22px 24px;
  border: 1px solid var(--cat-rule);
  border-radius: 14px;
  background: var(--glass);
}

.page-products .cat-handoff-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
  max-width: 44em;
}

.page-products .cat-handoff-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-products .cat-backtop {
  margin: 26px 0 0;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .04em;
}

.page-products .cat-backtop a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .cat-backtop a:hover,
.page-products .cat-backtop a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .cat-row {
    grid-template-columns: 56px minmax(120px, 170px) minmax(0, 1fr) minmax(110px, 140px);
    grid-template-areas: "num name use meta";
    align-items: center;
    gap: 20px;
    padding: 18px 10px;
  }

  .page-products .cat-row:hover,
  .page-products .cat-row:focus-visible {
    padding-left: 18px;
  }

  .page-products .cat-row-meta {
    margin-top: 0;
    text-align: right;
  }

  .page-products .cat-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .cat-fit-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .batch-card {
    flex: 0 0 46%;
  }
}

@media (min-width: 900px) {
  .page-products .cat-hero {
    grid-template-columns: minmax(0, 1.55fr) minmax(250px, .75fr);
  }

  .page-products .cat-split {
    grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  }

  .page-products .cat-split-rail {
    position: sticky;
    top: calc(var(--bar) + 28px);
    align-self: start;
  }

  .page-products .format-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-products .batch-strip {
    overflow-x: visible;
    flex-wrap: nowrap;
  }

  .page-products .batch-card {
    flex: 1 1 0;
  }
}

@media (min-width: 1120px) {
  .page-products .cat-hero h1 {
    font-size: clamp(44px, 4.6vw, 62px);
  }

  .page-products .cat-row-name {
    font-size: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-row,
  .page-products .format-fold,
  .page-products .format-cue::before,
  .page-products .format-cue::after,
  .page-products .cat-backtop a {
    transition: none;
  }

  .page-products .batch-strip {
    scroll-behavior: auto;
  }
}