/* ============ 业务与规格 / page-products ============ */
.page-products {
  --prod-teal-line: rgba(18, 210, 195, .5);
  --prod-amber-bg: rgba(255, 176, 32, .16);
  --prod-gap: clamp(18px, 2.8vw, 40px);
}

.page-products .section {
  padding-block: clamp(46px, 5.6vw, 84px);
}

.page-products .prod-sec-head {
  max-width: 74ch;
  margin-bottom: clamp(24px, 3.4vw, 46px);
}
.page-products .prod-sec-head .mono-label {
  display: block;
  margin-bottom: 12px;
  color: var(--gray-500);
}
.page-products .prod-sec-head h2 {
  margin: 0 0 14px;
}
.page-products .prod-sec-head .lead {
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding-top: clamp(26px, 3.4vw, 44px);
}
.page-products .prod-hero-grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: end;
}
.page-products .prod-hero-main h1 {
  margin: 10px 0 20px;
}
.page-products .prod-hero-main .lead {
  max-width: 48ch;
  margin: 0;
}
.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .prod-hero-panel {
  border-top: 3px solid var(--anchor-blue);
}
.page-products .prod-figures {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .prod-figures li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}
.page-products .prod-figures li:last-child {
  border-bottom: 0;
}
.page-products .prod-fig-num {
  font-size: 21px;
  font-weight: 700;
  color: var(--electric-teal);
  letter-spacing: .02em;
}
.page-products .prod-fig-label {
  font-size: 14px;
  color: var(--gray-500);
  text-align: right;
}
.page-products .prod-hero-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-500);
}

/* ---------- 能力三块 ---------- */
.page-products .prod-cap-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.page-products .prod-cap {
  padding: clamp(22px, 2.8vw, 34px);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--white);
  transition: background-color .2s ease;
}
.page-products .prod-cap:hover {
  background: var(--gray-100);
}
.page-products .prod-cap-num {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--signal-orange);
  margin-bottom: 14px;
}
.page-products .prod-cap-title {
  margin: 0 0 12px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink-blue);
}
.page-products .prod-cap p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}
.page-products .prod-cap-meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gray-500);
}

/* ---------- 工作台 ---------- */
.page-products .prod-workbench {
  background: var(--gray-100);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-products .prod-wb-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 4vw, 44px);
}
.page-products .prod-wb-col + .prod-wb-col {
  border-top: 1px solid var(--line-strong);
  padding-top: clamp(30px, 4vw, 44px);
}
.page-products .prod-col-title {
  display: inline-block;
  margin: 0 0 22px;
  padding-bottom: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--ink-blue);
  border-bottom: 2px solid var(--anchor-blue);
}

.page-products .prod-query {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-products .prod-query-item {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  background: var(--white);
  border: 1px solid var(--prod-teal-line);
}
.page-products .prod-query-key {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--teal-ink);
}
.page-products .prod-query-desc {
  font-size: 14px;
  line-height: 1.68;
  color: var(--graphite);
}

.page-products .cat-grid {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .cat-cell {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 11px 12px;
  background: var(--white);
}
.page-products .cat-num {
  font-size: 11px;
  color: var(--electric-teal);
}
.page-products .cat-name {
  font-size: 13.5px;
  color: var(--graphite);
  line-height: 1.3;
}

.page-products .prod-shot {
  margin: 0;
}
.page-products .media-caption {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--gray-500);
}

.page-products .prod-steps {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
}
.page-products .prod-step {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}
.page-products .prod-step:last-child {
  border-bottom: 0;
}
.page-products .prod-step-num {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--anchor-blue);
  padding-top: 4px;
}
.page-products .prod-step h4 {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--ink-blue);
}
.page-products .prod-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-500);
}

/* 对照表 */
.page-products .prod-compare {
  border: 1px solid var(--line-strong);
  margin-bottom: 14px;
  background: var(--white);
}
.page-products .prod-compare-head,
.page-products .prod-compare-row {
  display: grid;
  grid-template-columns: minmax(66px, .9fr) minmax(0, 1fr) minmax(0, 1fr);
}
.page-products .prod-compare-head {
  background: var(--graphite);
  color: var(--gray-100);
}
.page-products .prod-compare-head > span {
  padding: 10px;
  font-size: 11px;
  letter-spacing: .08em;
  border-left: 1px solid var(--line-invert);
}
.page-products .prod-compare-head > span:first-child {
  border-left: 0;
}
.page-products .prod-compare-row {
  border-top: 1px solid var(--line);
  transition: background-color .18s ease;
}
.page-products .prod-compare-row > span {
  padding: 11px 10px;
  font-size: 12.5px;
  line-height: 1.5;
  border-left: 1px solid var(--line);
  word-break: break-word;
}
.page-products .prod-compare-row > span:first-child {
  border-left: 0;
  color: var(--gray-500);
}
.page-products .prod-compare-row.is-diff {
  background: var(--prod-amber-bg);
  box-shadow: inset 3px 0 0 var(--signal-orange);
}
.page-products .prod-compare-row.is-diff > span:last-child {
  font-weight: 700;
  color: var(--graphite);
}
.page-products .prod-compare-row:hover {
  background: rgba(18, 210, 195, .12);
}
.page-products .prod-compare-row.is-diff:hover {
  background: rgba(255, 176, 32, .26);
}

.page-products .prod-diff-note {
  border: 1px solid var(--line);
  background: var(--white);
  margin-bottom: 28px;
}
.page-products .prod-diff-note summary {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 12px 14px;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 700;
  color: var(--anchor-blue);
  list-style: none;
}
.page-products .prod-diff-note summary::-webkit-details-marker {
  display: none;
}
.page-products .prod-diff-note summary::before {
  content: "+";
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1;
  color: var(--signal-orange);
}
.page-products .prod-diff-note[open] summary::before {
  content: "–";
}
.page-products .prod-diff-note p {
  margin: 0;
  padding: 0 14px 14px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--gray-500);
}

/* ---------- 纹理带 ---------- */
.page-products .prod-texture-band {
  height: clamp(84px, 13vw, 190px);
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--ink-blue);
}
.page-products .prod-texture-band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .55;
}

/* ---------- 字段说明 ---------- */
.page-products .prod-fields-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 42px);
}
.page-products .prod-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-strong);
  background: var(--white);
}
.page-products .prod-table-caption {
  caption-side: top;
  text-align: left;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--gray-500);
  border-bottom: 1px solid var(--line);
}
.page-products .prod-field-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
}
.page-products .prod-field-table th {
  background: var(--graphite);
  color: var(--gray-100);
  font-family: var(--mono);
  font-weight: 500;
  font-size: 11.5px;
  letter-spacing: .07em;
  text-align: left;
  padding: 12px 14px;
}
.page-products .prod-field-table td {
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--graphite);
  vertical-align: top;
  border-top: 1px solid var(--line);
}
.page-products .prod-field-table tbody tr:nth-child(even) {
  background: var(--gray-100);
}
.page-products .prod-field-table td:first-child {
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--anchor-blue);
  white-space: nowrap;
}

.page-products .prod-fields-notes {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.page-products .prod-fields-notes li {
  display: grid;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}
.page-products .prod-note-k {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--anchor-blue);
}
.page-products .prod-fields-notes li > span:last-child {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-500);
}
.page-products .prod-fields-notes a {
  color: var(--anchor-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 导出 ---------- */
.page-products .prod-export {
  background: var(--gray-100);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-products .prod-export-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.4vw, 46px);
  align-items: center;
}
.page-products .prod-export-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line-strong);
}
.page-products .prod-export-list li {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.page-products .prod-export-k {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--signal-orange);
}
.page-products .prod-export-d {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-products .prod-export-uses {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: clamp(30px, 3.6vw, 46px);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.page-products .prod-export-use {
  padding: clamp(20px, 2.6vw, 32px);
  background: var(--white);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-products .prod-use-num {
  display: block;
  margin-bottom: 12px;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--electric-teal);
}
.page-products .prod-export-use h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink-blue);
}
.page-products .prod-export-use p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 适用场景 ---------- */
.page-products .prod-industry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.page-products .prod-industry-item {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 2.4vw, 28px) 0;
  border-bottom: 1px solid var(--line);
}
.page-products .prod-industry-idx {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--anchor-blue);
}
.page-products .prod-industry-item h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-blue);
}
.page-products .prod-industry-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--graphite);
}
.page-products .prod-industry-out {
  display: inline-block;
  margin-top: 4px;
  padding: 6px 10px;
  font-size: 12.5px;
  color: var(--teal-ink);
  background: rgba(18, 210, 195, .1);
  border-left: 2px solid var(--electric-teal);
}

/* ---------- 下一步 ---------- */
.page-products .prod-next {
  background: var(--ink-blue);
  border-top: 3px solid var(--anchor-blue);
}
.page-products .prod-next-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 44px);
  align-items: end;
}
.page-products .prod-next-copy .mono-label {
  display: block;
  margin-bottom: 14px;
  color: var(--electric-teal);
}
.page-products .prod-next-copy h2 {
  margin: 0 0 16px;
  color: var(--white);
}
.page-products .prod-next-copy .lead {
  margin: 0;
  color: rgba(231, 234, 238, .76);
  max-width: 60ch;
}
.page-products .prod-next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .prod-next .btn-ghost {
  color: var(--white);
  border-color: rgba(231, 234, 238, .42);
}
.page-products .prod-next .btn-ghost:hover {
  border-color: var(--electric-teal);
  color: var(--electric-teal);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 560px) {
  .page-products .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .prod-compare-head > span,
  .page-products .prod-compare-row > span {
    padding: 11px 14px;
    font-size: 13px;
  }
}

@media (min-width: 800px) {
  .page-products .prod-cap-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .prod-export-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .prod-industry-item {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: start;
    gap: 6px 24px;
  }
  .page-products .prod-industry-idx {
    grid-row: 1 / span 3;
    padding-top: 5px;
  }
}

@media (min-width: 880px) {
  .page-products .prod-export-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
  .page-products .prod-fields-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }
}

@media (min-width: 960px) {
  .page-products .prod-hero-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .82fr);
  }
  .page-products .prod-next-inner {
    grid-template-columns: minmax(0, 1.25fr) auto;
  }
}

@media (min-width: 1000px) {
  .page-products .prod-wb-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
  }
  .page-products .prod-wb-col:first-child {
    padding-right: clamp(26px, 3vw, 52px);
  }
  .page-products .prod-wb-col + .prod-wb-col {
    border-top: 0;
    padding-top: 0;
    padding-left: clamp(26px, 3vw, 52px);
    border-left: 1px solid var(--line-strong);
  }
  .page-products .cat-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1240px) {
  .page-products .prod-step {
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-cap,
  .page-products .prod-compare-row {
    transition: none;
  }
}