.page-products {
  --pb-gap: clamp(18px, 2.8vw, 34px);
  --pb-card-pad: clamp(16px, 2.3vw, 26px);
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-products .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(18px, 3vw, 30px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mist-dim);
}

.page-products .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--rule);
}

.page-products .breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-products .breadcrumb__link:hover,
.page-products .breadcrumb__link:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 首屏规格头 ---------- */
.page-products .pb-masthead {
  padding-block: clamp(24px, 4.5vw, 56px) clamp(26px, 4vw, 46px);
}

.page-products .pb-masthead__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: end;
}

.page-products .pb-masthead h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-products .pb-masthead__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 52ch;
  color: var(--mist);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
}

.page-products .pb-masthead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-products .pb-masthead__figure {
  margin: 0;
}

.page-products .pb-spec {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(24px, 3.6vw, 40px) 0 0;
  border: 1px solid var(--rule);
  background: var(--rule);
}

.page-products .pb-spec > div {
  background: var(--ink);
  padding: 13px 15px;
}

.page-products .pb-spec dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist-dim);
}

.page-products .pb-spec dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2vw, 23px);
  color: var(--amber);
}

/* ---------- 主体骨架 ---------- */
.page-products .pb-body {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding-top: clamp(22px, 3vw, 36px);
  border-top: 1px solid var(--rule);
}

.page-products .pb-toc {
  padding-top: 10px;
  border-top: 1px solid var(--rule);
}

.page-products .pb-toc .label-mono {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist-dim);
}

.page-products .pb-toc__list {
  display: flex;
  gap: 2px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .pb-toc__link {
  display: block;
  padding: 8px 10px;
  border-left: 2px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-products .pb-toc__link:hover,
.page-products .pb-toc__link:focus-visible {
  color: var(--amber);
  border-left-color: var(--amber);
}

/* ---------- 章节 ---------- */
.page-products .pb-sec {
  padding-block: clamp(28px, 4.4vw, 54px);
  border-top: 1px solid var(--rule);
}

.page-products .pb-sections > .pb-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pb-sec h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 32px);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-products .pb-sec p {
  margin: clamp(12px, 1.8vw, 18px) 0 0;
  line-height: 1.78;
  font-size: 15px;
}

.page-products .pb-sec__lede {
  color: var(--mist);
  max-width: 64ch;
}

.page-products .index-tag {
  display: inline-block;
  padding: 2px 9px;
  border: 1px solid var(--amber);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

/* ---------- 能力矩阵 ---------- */
.page-products .pb-caps {
  display: grid;
  gap: 1px;
  margin-top: clamp(18px, 2.6vw, 30px);
  border: 1px solid var(--rule);
  background: var(--rule);
}

.page-products .pb-cap {
  background: var(--panel);
  padding: var(--pb-card-pad);
}

.page-products .pb-cap__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-products .pb-cap h3 {
  margin: 10px 0 0;
  font-size: 17px;
  line-height: 1.35;
}

.page-products .pb-cap p {
  margin: 8px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 分层索引 ---------- */
.page-products .pb-layers {
  display: grid;
  gap: 0;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pb-layer {
  display: grid;
  gap: 6px;
  padding: 16px 0 16px 16px;
  border-top: 1px solid var(--rule);
  border-left: 2px solid var(--pitch);
}

.page-products .pb-layer:first-child {
  border-top: 0;
}

.page-products .pb-layer__name {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-products .pb-layer p {
  margin: 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 时间刻度 ---------- */
.page-products .pb-clock {
  display: grid;
  gap: 10px;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pb-clock li {
  padding: 14px 16px;
  border-left: 2px solid var(--amber);
  background: var(--panel);
}

.page-products .pb-clock b {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2vw, 20px);
  font-weight: 600;
  color: var(--amber);
}

.page-products .pb-clock span {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 图片块 ---------- */
.page-products .pb-fig {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  border: 1px solid var(--rule);
  background: var(--panel);
}

.page-products .pb-fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-products .pb-fig figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--mist-dim);
}

.page-products .pb-split__side .pb-fig {
  margin-top: 0;
}

/* ---------- 对照表 ---------- */
.page-products .pb-split {
  display: grid;
  gap: var(--pb-gap);
  margin-top: clamp(18px, 2.6vw, 30px);
}

.page-products .pb-table-wrap {
  border: 1px solid var(--rule);
  background: var(--panel);
  overflow-x: auto;
}

.page-products .pb-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pb-table caption {
  caption-side: top;
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .pb-table th {
  padding: 10px 12px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist-dim);
  white-space: nowrap;
}

.page-products .pb-table tbody th {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-products .pb-table td {
  padding: 11px 12px;
  border-bottom: 1px solid rgba(49, 80, 98, 0.55);
  font-family: var(--font-mono);
  color: var(--paper);
}

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

.page-products .pb-table tbody tr:hover {
  background: rgba(66, 211, 146, 0.08);
}

.page-products .pb-table tbody tr:last-child td,
.page-products .pb-table tbody tr:last-child th {
  border-bottom: 1px solid var(--rule);
}

.page-products .pb-table .is-goal {
  color: var(--amber);
  font-weight: 600;
}

.page-products .pb-table tfoot td {
  border-bottom: 0;
  color: var(--amber);
  font-weight: 600;
}

/* ---------- 条形图 ---------- */
.page-products .pb-bars {
  display: block;
  width: 100%;
  height: auto;
  box-sizing: border-box;
  margin-top: clamp(16px, 2.4vw, 24px);
  padding: 10px;
  border: 1px solid var(--rule);
  background: var(--panel);
}

.page-products .pb-bars line {
  stroke: var(--rule);
  stroke-width: 1;
}

.page-products .pb-bars .bar-home {
  fill: var(--amber);
  opacity: 0.85;
}

.page-products .pb-bars .bar-away {
  fill: var(--signal);
  opacity: 0.72;
}

.page-products .pb-bars text {
  fill: var(--mist-dim);
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0.08em;
}

/* ---------- 筛选 ---------- */
.page-products .pb-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(16px, 2.4vw, 24px);
}

.page-products .pb-filter__btn {
  appearance: none;
  padding: 7px 12px;
  border: 1px solid var(--rule);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease),
    background-color var(--dur-fast) var(--ease);
}

.page-products .pb-filter__btn:hover,
.page-products .pb-filter__btn:focus-visible {
  border-color: var(--signal);
  color: var(--paper);
}

.page-products .pb-filter__btn[aria-pressed="true"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

/* ---------- 样例条目 ---------- */
.page-products .pb-samples {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--rule);
}

.page-products .pb-sample {
  display: grid;
  gap: 6px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}

.page-products .pb-sample[hidden],
.page-products .pb-freq[hidden] {
  display: none;
}

.page-products .pb-sample__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist-dim);
}

.page-products .pb-sample__score {
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--amber);
}

.page-products .pb-sample__note {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--mist);
}

/* ---------- 字段字典 ---------- */
.page-products .pb-dict {
  display: grid;
  margin-top: clamp(18px, 2.6vw, 28px);
  border-top: 1px solid var(--rule);
}

.page-products .pb-dict__item {
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
}

.page-products .pb-dict__item summary {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.page-products .pb-dict__item summary::-webkit-details-marker {
  display: none;
}

.page-products .pb-dict__item summary::after {
  content: "+";
  color: var(--signal);
}

.page-products .pb-dict__item[open] summary::after {
  content: "−";
}

.page-products .pb-dict__item p {
  margin: 8px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 订阅频率 ---------- */
.page-products .pb-freqs {
  display: grid;
  gap: 1px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--rule);
  background: var(--rule);
}

.page-products .pb-freq {
  background: var(--panel);
  padding: var(--pb-card-pad);
}

.page-products .pb-freq h3 {
  margin: 0;
  font-size: 16px;
}

.page-products .pb-freq p {
  margin: 8px 0 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.7;
}

.page-products .pb-freq__meta {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--signal);
}

.page-products .pb-substeps {
  display: grid;
  gap: 14px;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: pb-step-count;
}

.page-products .pb-substeps li {
  counter-increment: pb-step-count;
  padding-top: 12px;
  border-top: 2px solid var(--pitch);
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pb-substeps li::before {
  content: "0" counter(pb-step-count);
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

/* ---------- 适用场景 ---------- */
.page-products .pb-scenes {
  display: grid;
  gap: 12px;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pb-scene {
  padding: var(--pb-card-pad);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--pitch);
  background: var(--panel);
}

.page-products .pb-scene:nth-child(even) {
  border-left-color: var(--amber);
}

.page-products .pb-scene h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.35;
}

.page-products .pb-scene p {
  margin: 8px 0 0;
  color: var(--mist);
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 四步流程 ---------- */
.page-products .pb-steps {
  display: grid;
  gap: 0;
  margin: clamp(18px, 2.8vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pb-step {
  padding: 16px 0 0;
  border-top: 2px solid var(--rule);
}

.page-products .pb-step__num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--amber);
}

.page-products .pb-step h3 {
  margin: 10px 0 0;
  font-size: 16px;
}

.page-products .pb-step p {
  margin: 6px 0 0;
  color: var(--mist);
  font-size: 13.5px;
  line-height: 1.7;
}

/* ---------- 收尾带 ---------- */
.page-products .pb-cta {
  display: grid;
  gap: 14px;
  margin-top: clamp(28px, 4vw, 46px);
  padding-top: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--amber);
}

.page-products .pb-cta p {
  margin: 0;
  color: var(--mist);
  font-size: 14.5px;
  line-height: 1.72;
}

.page-products .pb-cta__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-products .pb-spec {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .pb-layer {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-products .pb-clock {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    border: 1px solid var(--rule);
    background: var(--rule);
  }

  .page-products .pb-clock li {
    border-left: 0;
    border-top: 2px solid var(--amber);
  }

  .page-products .pb-sample {
    grid-template-columns: minmax(0, 190px) 82px minmax(0, 1fr);
    align-items: center;
    gap: 18px;
  }

  .page-products .pb-dict {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 38px);
  }

  .page-products .pb-substeps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 2.4vw, 28px);
  }

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

  .page-products .pb-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 820px) {
  .page-products .pb-caps {
    grid-template-columns: 1.15fr 1fr 1fr;
  }

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

  .page-products .pb-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: clamp(16px, 2.2vw, 28px);
  }
}

@media (min-width: 900px) {
  .page-products .pb-masthead__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-products .pb-clock {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 940px) {
  .page-products .pb-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-products .pb-body {
    grid-template-columns: 200px minmax(0, 1fr);
    column-gap: clamp(36px, 4.4vw, 76px);
    align-items: start;
  }

  .page-products .pb-toc {
    position: sticky;
    top: calc(var(--header-h-compact) + 18px);
  }

  .page-products .pb-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
  }

  .page-products .pb-toc__link {
    padding: 10px 12px;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pb-toc__link,
  .page-products .pb-filter__btn,
  .page-products .pb-table tbody tr,
  .page-products .breadcrumb__link {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>