.page-products {
  --pd-rail-w: 224px;
  --pd-gap: 44px;
  --pd-sec-pad: clamp(40px, 6.5vw, 84px);
  --pd-card-r: 20px;
  color: var(--text);
  background: var(--ink);
}

/* 面包屑 */
.page-products .pd-crumb {
  padding-top: 22px;
}

/* 首屏 */
.page-products .pd-hero {
  padding-top: clamp(26px, 5vw, 48px);
  padding-bottom: clamp(30px, 5vw, 54px);
}

.page-products .pd-hero__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(31px, 5.4vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 16px 0 22px;
  max-width: 22ch;
  color: var(--text);
}

.page-products .pd-hero__lede {
  max-width: 64ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
  margin: 0 0 32px;
}

.page-products .pd-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pd-stats__item {
  background: var(--ink);
  padding: 20px 14px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-products .pd-stats__n {
  font-family: var(--mono);
  font-size: clamp(30px, 7.4vw, 72px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
}

.page-products .pd-stats__l {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--muted);
}

/* 主体两栏 */
.page-products .pd-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  align-items: start;
}

/* 章节索引 */
.page-products .pd-toc {
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-products .pd-toc__title {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 10px;
}

.page-products .pd-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 6px;
}

.page-products .pd-toc__list::-webkit-scrollbar {
  display: none;
}

.page-products .pd-toc__link {
  display: block;
  flex: 0 0 auto;
  white-space: nowrap;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  padding: 7px 14px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-products .pd-toc__link:hover,
.page-products .pd-toc__link:focus-visible {
  color: var(--cyan);
  border-color: rgba(79, 227, 208, 0.45);
}

.page-products .pd-toc__link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

/* 内容分区 */
.page-products .pd-sec {
  padding: var(--pd-sec-pad) 0;
  border-top: 1px solid var(--line);
}

.page-products .pd-sec:first-child {
  border-top: 0;
}

.page-products .pd-sec__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  margin: 0 0 18px;
  max-width: 24ch;
  color: var(--text);
}

.page-products .pd-sec__text {
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0 0 28px;
}

.page-products .pd-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  margin: 16px 0 0;
}

/* 图 */
.page-products .pd-figure {
  margin: 0 0 30px;
}

.page-products .pd-figure--tight {
  margin-top: 26px;
  margin-bottom: 0;
}

.page-products .pd-figure .figure__img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: var(--r-md);
}

.page-products .pd-figure .figure__caption {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  margin-top: 10px;
}

/* 折线图容器 */
.page-products .pd-chart {
  background: linear-gradient(180deg, var(--cabin) 0%, var(--ink) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px 20px 16px;
  margin-bottom: 28px;
  overflow: hidden;
}

.page-products .pd-chart__cap {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 12px;
}

.page-products .pd-chart svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-chart__note {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  margin: 12px 0 0;
}

/* 三格事实条 */
.page-products .pd-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .pd-facts li {
  background: var(--ink);
  padding: 14px 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
}

.page-products .pd-facts__k {
  font-size: 12.5px;
  color: var(--muted);
  min-width: 72px;
}

.page-products .pd-facts__v {
  font-family: var(--mono);
  font-size: 14px;
  color: var(--gold);
}

/* 厂商卡片矩阵 */
.page-products .pd-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 232px), 1fr));
  gap: 20px;
}

.page-products .pd-card {
  background: var(--cabin);
  border-radius: var(--pd-card-r);
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  min-height: 162px;
  transition: outline-color 0.22s ease;
  outline: 1px solid transparent;
}

.page-products .pd-card:hover {
  outline-color: var(--grid);
}

.page-products .pd-card__idx {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--grid);
}

.page-products .pd-card__name {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text);
}

.page-products .pd-card__meta {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--muted);
  margin: 0;
}

.page-products .pd-tag {
  align-self: flex-start;
  margin-top: auto;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  padding: 6px 13px;
  border-radius: var(--pill);
  border: 1px solid transparent;
  white-space: nowrap;
}

.page-products .pd-tag--mobile {
  color: var(--cyan);
  border-color: rgba(79, 227, 208, 0.55);
}

.page-products .pd-tag--tablet {
  color: var(--ink);
  background: var(--cyan);
}

.page-products .pd-tag--same {
  color: var(--gold);
  border-color: rgba(242, 184, 91, 0.6);
}

.page-products .pd-tag--split {
  color: var(--ink);
  background: var(--gold);
}

/* 筛选面板 */
.page-products .pd-filter {
  margin: 0 0 30px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 8px 20px 20px;
  background: var(--cabin);
}

.page-products .pd-filter__row {
  display: grid;
  gap: 10px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .pd-filter__key {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-products .pd-chips {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.page-products .pd-chips::-webkit-scrollbar {
  display: none;
}

.page-products .pd-chip {
  flex: 0 0 auto;
  font-size: 13px;
  padding: 8px 15px;
  border-radius: var(--pill);
  border: 1px solid var(--grid);
  color: var(--muted);
  white-space: nowrap;
}

.page-products .pd-chip--on {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

.page-products .pd-filter__result {
  margin: 18px 0 0;
  font-size: 14px;
  color: var(--muted);
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.page-products .pd-filter__num {
  font-family: var(--mono);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
  letter-spacing: -0.02em;
}

/* 术语导出 */
.page-products .pd-export {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-products .pd-figure--paper {
  margin: 0;
}

.page-products .pd-export__panel {
  background: linear-gradient(180deg, rgba(12, 36, 54, 0.9) 0%, rgba(6, 23, 38, 0.9) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 22px 20px 24px;
}

.page-products .pd-export__cap {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0 0 12px;
}

.page-products .pd-terms {
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--mono);
  font-size: 13px;
}

.page-products .pd-terms li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 9px 2px;
  border-bottom: 1px dashed var(--line);
}

.page-products .pd-terms__n {
  color: var(--grid);
  font-size: 12px;
}

.page-products .pd-terms__t {
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.page-products .pd-terms__g {
  color: var(--cyan);
  font-size: 12px;
}

.page-products .pd-export__foot {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--gold);
  margin: 18px 0 20px;
}

/* 面板区 */
.page-products .pd-panels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 6px;
}

.page-products .pd-panel {
  background: var(--cabin);
  border-radius: var(--r-lg);
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .pd-panel__k {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 0;
}

.page-products .pd-panel__v {
  font-family: var(--mono);
  font-size: clamp(44px, 8vw, 76px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold);
  margin: 0;
}

.page-products .pd-panel__u {
  font-size: 0.42em;
  margin-left: 4px;
  color: var(--gold-hi);
}

.page-products .pd-bar {
  height: 8px;
  border-radius: var(--pill);
  background: var(--grid);
  overflow: hidden;
}

.page-products .pd-bar__fill {
  display: block;
  height: 100%;
  border-radius: var(--pill);
  background: linear-gradient(90deg, var(--gold) 0%, var(--gold-hi) 100%);
}

.page-products .pd-bar__fill--68 {
  width: 68%;
}

.page-products .pd-points {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-points__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
}

.page-products .pd-points__dev {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.page-products .pd-points__rate {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--cyan);
}

.page-products .pd-panel__d {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  margin: 4px 0 0;
}

/* 四步流程 */
.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-products .pd-step {
  background: var(--ink);
  padding: 22px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-products .pd-step__n {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.page-products .pd-step__t {
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text);
}

.page-products .pd-step__d {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
}

/* 结语 */
.page-products .pd-cta {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-products .pd-cta__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(23px, 3.2vw, 34px);
  line-height: 1.24;
  letter-spacing: -0.015em;
  margin: 0;
  max-width: 22ch;
  color: var(--text);
}

.page-products .pd-cta__text {
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
  margin: 0;
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

/* 中屏 */
@media (min-width: 700px) {
  .page-products .pd-facts {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pd-facts li {
    flex-direction: column;
    gap: 6px;
  }

  .page-products .pd-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pd-filter__row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: center;
    gap: 18px;
  }

  .page-products .pd-panels {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 桌面 */
@media (min-width: 1024px) {
  .page-products .pd-body {
    grid-template-columns: var(--pd-rail-w) minmax(0, 1fr);
    gap: var(--pd-gap);
  }

  .page-products .pd-toc {
    position: sticky;
    top: calc(var(--head-h) + 28px);
    border-top: 0;
    border-left: 1px solid var(--line);
    padding: 4px 0 4px 18px;
    margin-top: var(--pd-sec-pad);
  }

  .page-products .pd-toc__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .pd-toc__list li + li {
    margin-top: 4px;
  }

  .page-products .pd-toc__link {
    white-space: normal;
    padding: 8px 14px;
  }

  .page-products .pd-main > .pd-sec:first-child {
    border-top: 0;
    padding-top: var(--pd-sec-pad);
  }

  .page-products .pd-figures-row,
  .page-products .pd-export {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    gap: 40px;
  }

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

  .page-products .pd-cards {
    gap: 20px;
  }
}

@media (min-width: 1280px) {
  .page-products .pd-hero__lede {
    font-size: 17px;
  }

  .page-products .pd-sec__text {
    font-size: 16px;
  }
}
<<<END>>>