.page-products {
  --pp-row-pad: 22px 4px;
  --pp-line: rgba(127, 178, 196, .34);
  padding-top: calc(var(--header-h) + 20px);
  padding-bottom: 40px;
  font-family: var(--font-body);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 面包屑微调 ---------- */
.page-products .breadcrumb {
  margin: 0 0 18px;
  font-family: var(--font-label);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
}
.page-products .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--cold-light);
}
.page-products .breadcrumb__link {
  color: var(--cold);
  text-decoration: none;
}
.page-products .breadcrumb__link:hover,
.page-products .breadcrumb__link:focus-visible {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 总览带 ---------- */
.page-products .overview-band {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 36px 22px 38px;
  border-radius: var(--radius-lg);
  background: var(--ink);
  color: var(--paper);
}
.page-products .overview-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(104deg,
      rgba(28, 22, 17, .96) 0%,
      rgba(22, 35, 43, .88) 46%,
      rgba(140, 74, 36, .74) 100%);
}
.page-products .overview-band__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.page-products .overview-band__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
}
.page-products .overview-band__inner {
  position: relative;
  z-index: 1;
}
.page-products .overview-band__eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--sand);
}
.page-products .overview-band h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, 54px);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-products .overview-band__lede {
  max-width: 60ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper);
  opacity: .88;
}

.page-products .overview-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 28px 0 0;
  background: rgba(127, 178, 196, .3);
  border: 1px solid rgba(127, 178, 196, .3);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.page-products .overview-cell {
  background: rgba(22, 35, 43, .74);
  padding: 15px 16px;
}
.page-products .overview-cell__k {
  margin: 0 0 7px;
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--cold-light);
}
.page-products .overview-cell__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.4;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

/* ---------- 章节基础 ---------- */
.page-products .section {
  margin-top: 56px;
}
.page-products .section-head {
  margin: 0 0 14px;
}
.page-products .section-head__index {
  margin: 0 0 10px;
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--cold);
}
.page-products .section-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-products .prose {
  max-width: 44em;
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}
.page-products .sub-head {
  margin: 34px 0 14px;
  font-family: var(--font-label);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ochre);
}
.page-products .inline-link {
  color: var(--cold);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.page-products .inline-link:hover,
.page-products .inline-link:focus-visible {
  color: var(--orange-paper);
}
.page-products .note {
  display: block;
  margin: 22px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(107, 96, 85, .45);
}

/* ---------- 目录表 ---------- */
.page-products .cat-head {
  display: none;
}
.page-products .cat-table {
  margin-top: 26px;
  border-top: 2px solid var(--sand);
}
.page-products .cat-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding: var(--pp-row-pad);
  border-bottom: var(--hairline-soft);
  transition: background-color .18s var(--ease);
}
.page-products .cat-row::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  background: var(--cold);
  transition: width .16s var(--ease);
}
.page-products .cat-row:hover::after,
.page-products .cat-row:focus-within::after {
  width: 100%;
}
.page-products .cat-row:hover {
  background: rgba(235, 211, 163, .28);
}
.page-products .pill.pill--sand {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  background: var(--sand-light);
  color: var(--ink);
  border: 1px solid rgba(201, 154, 75, .6);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.page-products .cat-row__name {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  line-height: 1.35;
  color: var(--ink);
}
.page-products .cat-row__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-products .code-chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  padding: 3px 10px;
  border-radius: 6px;
  color: var(--orange-paper);
  background: rgba(235, 211, 163, .55);
  border: 1px solid var(--orange-paper);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.page-products .copy-btn {
  font-family: var(--font-label);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--cold);
  border: 1px solid var(--cold-light);
  cursor: pointer;
  transition: background-color .16s var(--ease), color .16s var(--ease);
}
.page-products .copy-btn:hover,
.page-products .copy-btn:focus-visible {
  background: var(--cold);
  color: var(--paper);
  border-color: var(--cold);
}
.page-products .copy-btn.is-copied {
  background: var(--sand-light);
  color: var(--ink);
  border-color: var(--sand);
}
.page-products .cat-row__bar {
  position: relative;
  max-width: 240px;
  height: 6px;
  margin: 12px 0 0;
  border-radius: var(--radius-pill);
  background: rgba(127, 178, 196, .24);
  overflow: hidden;
}
.page-products .cat-row__bar > span {
  display: block;
  height: 100%;
  width: var(--cap, 0%);
  border-radius: inherit;
  background: linear-gradient(90deg, var(--cold) 0%, var(--sand) 100%);
}
.page-products .cat-row__seg {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--muted);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(107, 96, 85, .42);
}
.page-products .cat-row__range {
  display: grid;
  gap: 2px;
  align-content: start;
}
.page-products .range-line {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin: 0;
  padding: 8px 0;
  border-bottom: 1px dotted rgba(127, 178, 196, .5);
}
.page-products .range-line:last-child {
  border-bottom: 0;
}
.page-products .range-line__k {
  font-family: var(--font-label);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
  white-space: nowrap;
}
.page-products .range-line__v {
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--cold);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ---------- 图片容器 ---------- */
.page-products .media-frame {
  position: relative;
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: var(--hairline-soft);
  background: var(--paper-2);
}
.page-products .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .media-frame__tag {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 2;
  display: inline-block;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  background: rgba(28, 22, 17, .78);
  color: var(--sand-light);
  font-size: 11.5px;
  letter-spacing: .06em;
}
.page-products .division-media {
  margin-top: 56px;
  border-radius: var(--radius-lg);
}
.page-products .price-figure,
.page-products .compare-figure {
  margin-top: 34px;
}

/* ---------- 工艺代号分栏 ---------- */
.page-products .split {
  display: grid;
  gap: 34px;
}
.page-products .split__text {
  min-width: 0;
}
.page-products .rule-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}
.page-products .rule-list li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 15px 0;
  border-top: var(--hairline-soft);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink);
}
.page-products .rule-list li:last-child {
  border-bottom: var(--hairline-soft);
}
.page-products .rule-list__n {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cold);
  font-variant-numeric: tabular-nums;
}

/* ---------- 分组查看 ---------- */
.page-products .code-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .code-chip--link {
  text-decoration: none;
  transition: background-color .16s var(--ease), border-color .16s var(--ease);
}
.page-products .code-chip--link:hover,
.page-products .code-chip--link:focus-visible {
  background: var(--sand-light);
  border-color: var(--ochre);
}
.page-products .cap-chips {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-products .cap-chip {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--cold-light);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13.5px;
  text-decoration: none;
  transition: background-color .16s var(--ease), color .16s var(--ease), border-color .16s var(--ease);
}
.page-products .cap-chip:hover,
.page-products .cap-chip:focus-visible {
  background: var(--cold);
  color: var(--paper);
  border-color: var(--cold);
}
.page-products .cap-chip:hover .cap-chip__n,
.page-products .cap-chip:focus-visible .cap-chip__n {
  color: var(--sand-light);
}
.page-products .cap-chip__n {
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--muted);
  white-space: nowrap;
}
.page-products .group-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 30px;
  background: var(--pp-line);
  border: 1px solid var(--pp-line);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.page-products .group-panel {
  background: var(--paper);
  padding: 20px 18px;
}
.page-products .group-panel__title {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--ochre);
  font-variant-numeric: tabular-nums;
}
.page-products .group-panel__list {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--cold);
  font-variant-numeric: tabular-nums;
}
.page-products .group-panel__note {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 本地选型条款 ---------- */
.page-products .clause-band {
  padding: 26px 22px 26px 24px;
  border-radius: var(--radius-md);
  border-left: 6px solid var(--ochre);
  background: var(--sand-light);
}
.page-products .clause-band__tag {
  margin: 0 0 12px;
  font-family: var(--font-label);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--ochre);
}
.page-products .clause-band__text {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ink);
  font-weight: 500;
}
.page-products .clause-band__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(107, 96, 85, .45);
}

/* ---------- 口径与跨度 ---------- */
.page-products .scope-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 26px;
  background: rgba(127, 178, 196, .28);
  border: 1px solid rgba(127, 178, 196, .28);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.page-products .scope-item {
  background: var(--ink);
  color: var(--paper);
  padding: 22px 20px;
}
.page-products .scope-item__k {
  margin: 0 0 10px;
  font-family: var(--font-label);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sand);
}
.page-products .scope-item__v {
  margin: 0 0 12px;
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}
.page-products .scope-item__d {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--paper);
  opacity: .78;
}
.page-products .scope-band__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ============ 640px 以上 ============ */
@media (min-width: 640px) {
  .page-products .overview-band {
    padding: 44px 32px 46px;
  }
  .page-products .overview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .cap-chips {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .group-panels {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .scope-band {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .cat-row {
    gap: 14px;
  }
}

/* ============ 900px 以上：目录表三段式 ============ */
@media (min-width: 900px) {
  .page-products {
    padding-top: calc(var(--header-h) + 32px);
  }
  .page-products .overview-band {
    padding: 56px 48px 58px;
    border-radius: 28px;
  }
  .page-products .overview-grid {
    grid-template-columns: repeat(3, 1fr);
    margin-top: 34px;
  }
  .page-products .section {
    margin-top: 84px;
  }
  .page-products .division-media {
    margin-top: 84px;
  }

  .page-products .cat-head {
    display: grid;
    grid-template-columns: 108px minmax(0, 1fr) 300px;
    gap: 24px;
    position: sticky;
    top: calc(var(--header-h) + 4px);
    z-index: 3;
    margin-top: 30px;
    padding: 12px 8px;
    background: var(--paper);
    border-bottom: 1px solid var(--sand);
    font-family: var(--font-label);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .page-products .cat-table {
    margin-top: 0;
  }
  .page-products .cat-row {
    grid-template-columns: 108px minmax(0, 1fr) 300px;
    gap: 24px;
    align-items: start;
    padding: 26px 8px;
  }
  .page-products .cat-row__index {
    padding-top: 2px;
  }
  .page-products .cat-row__name {
    font-size: 19px;
  }
  .page-products .range-line {
    padding: 6px 0;
  }

  .page-products .split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }
  .page-products .split__media {
    margin-top: 8px;
  }

  .page-products .scope-band {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============ 1200px 以上 ============ */
@media (min-width: 1200px) {
  .page-products .overview-grid {
    grid-template-columns: repeat(6, 1fr);
  }
  .page-products .cap-chips {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .group-panels {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion: reduce) {
  .page-products .cat-row,
  .page-products .cat-row::after,
  .page-products .copy-btn,
  .page-products .cap-chip,
  .page-products .code-chip--link {
    transition: none;
  }
  .page-products .cat-row::after {
    width: 0;
  }
}
</main>

.page-products {
  --cap: 1rem;
}