.page-products {
  --cat-rule: rgba(36, 69, 95, 0.48);
  --cat-tint: rgba(47, 217, 192, 0.14);
  --cat-pad: clamp(20px, 3.4vw, 40px);
  color: var(--c-text);
}

.page-products .breadcrumbs {
  padding-block: 18px 4px;
}

/* ---------- 首屏 ---------- */

.page-products .cat-hero {
  padding-block: clamp(26px, 4.6vw, 52px) clamp(30px, 5vw, 60px);
  border-bottom: 1px solid var(--cat-rule);
}

.page-products .cat-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-products .cat-hero__index {
  align-self: flex-start;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-copper-lit);
  border: 1px solid var(--c-copper);
  padding: 5px 11px;
  line-height: 1;
}

.page-products .cat-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 86px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--c-title);
}

.page-products .cat-hero__lead {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.78;
  color: var(--c-mist);
}

.page-products .cat-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

/* ---------- 通用章节与文字 ---------- */

.page-products .section {
  padding-block: clamp(38px, 6vw, 76px);
}

.page-products .chapter-head {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-products .chapter-head__index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--c-copper);
}

.page-products .chapter-head__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4.2vw, 46px);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--c-title);
  margin: 6px 0 10px;
}

.page-products .chapter-head__note {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-products .chapter-head--right {
  text-align: right;
}

.page-products .chapter-head--right .chapter-head__note {
  margin-left: auto;
}

.page-products .cat-lead {
  margin: 0 0 18px;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.6;
  color: var(--c-title);
}

.page-products .cat-lead--wide {
  max-width: 66ch;
  margin-bottom: 26px;
}

.page-products .cat-muted {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-products .cat-inline-link {
  color: var(--c-copper-lit);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-products .cat-inline-link:hover {
  color: var(--c-cyan);
}

.page-products .cat-split__text > p {
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-text);
  max-width: 66ch;
}

/* ---------- 工具对照表 ---------- */

.page-products .table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-products .cat-table {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-products .cat-table__cap {
  text-align: left;
  padding: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

.page-products .cat-table th,
.page-products .cat-table td {
  padding: 15px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--cat-rule);
  line-height: 1.6;
}

.page-products .cat-table thead th {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-copper-lit);
  background: var(--c-night);
  border-bottom: 2px solid var(--c-copper);
  white-space: nowrap;
}

.page-products .cat-table tbody th {
  font-weight: 700;
  color: var(--c-title);
  white-space: nowrap;
}

.page-products .cat-table tbody td {
  color: var(--c-mist);
}

.page-products .cat-table tbody tr {
  transition: background-color var(--dur) var(--ease);
}

.page-products .cat-table tbody tr:hover {
  background: var(--cat-tint);
}

.page-products .cat-table tbody tr:hover td {
  color: var(--c-text);
}

/* ---------- 总览：图 + 文 ---------- */

.page-products .cat-overview {
  display: grid;
  gap: clamp(20px, 3vw, 38px);
  grid-template-columns: 1fr;
  margin-top: clamp(26px, 4vw, 46px);
}

.page-products .cat-overview__text h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 25px);
  color: var(--c-title);
}

.page-products .cat-overview__text p {
  margin: 0 0 14px;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-mist);
}

/* ---------- 图文分栏 ---------- */

.page-products .cat-split {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
  grid-template-columns: 1fr;
}

.page-products .cat-ticks {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--cat-rule);
  padding-top: 18px;
}

.page-products .cat-ticks li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-mist);
  padding-left: 12px;
  border-left: 2px solid var(--c-steel);
}

.page-products .cat-ticks__k {
  color: var(--c-cyan);
  font-size: 13px;
  letter-spacing: 0.04em;
  min-width: 84px;
}

/* ---------- 注释三栏 ---------- */

.page-products .cat-notes {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
  margin-top: clamp(26px, 3.6vw, 42px);
}

.page-products .cat-note {
  border-top: 1px solid var(--c-copper);
  padding-top: 14px;
}

.page-products .cat-note h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--c-title);
}

.page-products .cat-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-mist);
}

/* ---------- 简表区 ---------- */

.page-products .cat-sheet__body {
  display: grid;
  gap: clamp(24px, 3.6vw, 48px);
  grid-template-columns: 1fr;
  margin-top: clamp(26px, 4vw, 44px);
}

.page-products .cat-sheet__fields h3,
.page-products .cat-sheet__perf h3 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  color: var(--c-title);
}

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

.page-products .cat-fieldlist li {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 11px 4px;
  border-bottom: 1px solid var(--cat-rule);
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-mist);
  transition: background-color var(--dur) var(--ease);
}

.page-products .cat-fieldlist li:hover {
  background: var(--cat-tint);
}

.page-products .cat-fieldlist .mono {
  min-width: 104px;
  color: var(--c-copper-lit);
  font-size: 13px;
  letter-spacing: 0.03em;
}

.page-products .cat-sheet__perf > p {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-mist);
}

.page-products .cat-bars {
  display: grid;
  gap: 14px;
  margin-bottom: 4px;
}

.page-products .cat-bar {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 6px 14px;
}

.page-products .cat-bar__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.page-products .cat-bar__value {
  font-size: 13px;
  color: var(--c-cyan);
}

.page-products .cat-bar .value-bar {
  grid-column: 1 / -1;
}

/* ---------- 归档区 ---------- */

.page-products .cat-archive__grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 42px);
  grid-template-columns: 1fr;
  align-items: start;
}

.page-products .cat-archive__text p {
  margin: 0 0 14px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-mist);
}

.page-products .cat-archive__text .btn {
  margin-top: 8px;
}

.page-products .archive-band {
  margin-top: clamp(24px, 3.4vw, 38px);
}

.page-products .archive-band summary {
  cursor: pointer;
  list-style: none;
  padding: 15px 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--c-copper-lit);
  transition: color var(--dur) var(--ease);
}

.page-products .archive-band summary::-webkit-details-marker {
  display: none;
}

.page-products .archive-band summary::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 12px;
  border-right: 1px solid var(--c-copper);
  border-bottom: 1px solid var(--c-copper);
  transform: rotate(-45deg);
  transition: transform var(--dur) var(--ease);
}

.page-products .archive-band[open] summary::before {
  transform: rotate(45deg);
}

.page-products .archive-band summary:hover {
  color: var(--c-cyan);
}

.page-products .archive-band__body {
  padding: 4px 18px 20px;
  border-top: 1px solid var(--cat-rule);
}

.page-products .cat-archive-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .cat-archive-list li {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: baseline;
  padding-left: 12px;
  border-left: 2px solid var(--c-copper);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---------- 组合工作流 ---------- */

.page-products .cat-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.page-products .cat-flow__step {
  position: relative;
  padding: 22px 20px;
  background: var(--c-night);
  border: 1px solid var(--c-steel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-products .cat-flow__step:hover {
  border-color: var(--c-copper-lit);
  transform: translateY(-2px);
}

.page-products .cat-flow__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  margin-bottom: 14px;
  border: 1px solid var(--c-copper);
  color: var(--c-copper-lit);
  font-size: 13px;
  line-height: 1;
}

.page-products .cat-flow__step h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  color: var(--c-title);
}

.page-products .cat-flow__step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---------- 尾部 CTA ---------- */

.page-products .cat-cta {
  padding-bottom: clamp(46px, 7vw, 86px);
}

.page-products .cat-cta__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 20px 32px;
  align-items: center;
  justify-content: space-between;
  padding-block: clamp(22px, 3.4vw, 34px);
  border-top: 1px solid var(--c-copper);
  border-bottom: 1px solid var(--cat-rule);
}

.page-products .cat-cta__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 28px);
  color: var(--c-title);
}

.page-products .cat-cta__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--c-mist);
}

.page-products .cat-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 图片容器 ---------- */

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

.page-products .media-frame__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-mist);
}

/* ---------- 响应式 ---------- */

@media (min-width: 680px) {
  .page-products .cat-notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px 24px;
  }

  .page-products .cat-archive__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

@media (min-width: 900px) {
  .page-products .cat-overview {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .cat-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-products .cat-sheet__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .cat-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
  }

  .page-products .cat-flow__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 50%;
    right: -19px;
    width: 10px;
    height: 10px;
    border-top: 1px solid var(--c-copper);
    border-right: 1px solid var(--c-copper);
    transform: translateY(-50%) rotate(45deg);
  }
}

@media (min-width: 1160px) {
  .page-products .cat-hero__inner {
    gap: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-flow__step,
  .page-products .cat-table tbody tr,
  .page-products .cat-fieldlist li,
  .page-products .archive-band summary,
  .page-products .archive-band summary::before,
  .page-products .cat-inline-link {
    transition: none;
  }

  .page-products .cat-flow__step:hover {
    transform: none;
  }
}