.page-products {
  --pr-gap: clamp(18px, 3.6vw, 38px);
  --pr-radius: 6px;
  background: var(--cream);
  color: var(--ink);
  overflow-x: hidden;
}

.page-products .breadcrumb {
  padding: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--sage);
}

.page-products .breadcrumb__current {
  color: var(--pine);
}

/* 首屏 */
.page-products .pr-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pr-gap);
  padding: 26px 0 54px;
  align-items: end;
}

.page-products .pr-hero h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(32px, 6.2vw, 54px);
  line-height: 1.16;
  letter-spacing: -.01em;
  margin: 14px 0 18px;
  max-width: 15em;
}

.page-products .pr-hero__lead {
  font-size: 16px;
  line-height: 1.85;
  max-width: 34em;
  color: var(--ink);
  margin: 0;
}

.page-products .pr-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 24px 0 0;
  padding: 0;
  font-size: 13px;
  color: var(--sage);
}

.page-products .pr-hero__num {
  font-family: var(--font-mono);
  font-size: 19px;
  color: var(--pine);
  margin-right: 5px;
}

.page-products .pr-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 图片框 */
.page-products .pr-figure {
  margin: 0;
  padding: 9px;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: var(--pr-radius);
  box-shadow: var(--shadow-1);
}

.page-products .pr-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
  object-fit: cover;
}

.page-products .pr-figure figcaption {
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--sage);
  padding: 9px 3px 2px;
}

/* 主体：侧栏索引 + 内容 */
.page-products .pr-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  padding-bottom: 72px;
}

.page-products .pr-rail {
  border-top: 2px solid var(--pine);
  padding-top: 14px;
}

.page-products .pr-rail__title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--sage);
  margin: 0 0 12px;
}

.page-products .pr-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px 14px;
}

.page-products .pr-rail__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px dotted var(--line-strong);
  transition: color .18s ease;
}

.page-products .pr-rail__link:hover,
.page-products .pr-rail__link:focus-visible {
  color: var(--clay-2);
}

.page-products .pr-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--clay);
  letter-spacing: .06em;
}

.page-products .pr-rail__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--sage);
}

.page-products .pr-rail__note a {
  color: var(--clay-2);
  text-underline-offset: 3px;
}

/* 章节 */
.page-products .pr-section {
  padding: 40px 0 44px;
  border-top: 1px solid var(--line);
}

.page-products .pr-section:first-child {
  border-top: 0;
  padding-top: 8px;
}

.page-products .pr-section h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(25px, 4.2vw, 36px);
  line-height: 1.3;
  margin: 12px 0 16px;
  max-width: 20em;
}

.page-products .pr-section h3,
.page-products .pr-subhead {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 18px;
  margin: 26px 0 10px;
  color: var(--pine);
}

.page-products .pr-lead {
  font-size: 16px;
  line-height: 1.9;
  max-width: 34em;
  color: var(--ink);
  margin: 0 0 6px;
}

.page-products .pr-section p {
  font-size: 15px;
  line-height: 1.85;
  max-width: 36em;
}

.page-products .pr-block p {
  margin: 0 0 12px;
}

.page-products .pr-note {
  margin-top: 20px;
  padding: 12px 16px;
  background: var(--gold-soft);
  border-left: 3px solid var(--gold);
  border-radius: 0 4px 4px 0;
  font-size: 14px !important;
  color: var(--ink) !important;
}

/* SVG 路线 */
.page-products .pr-path {
  display: block;
  width: 100%;
  height: auto;
  max-width: 700px;
  margin: 24px 0 20px;
}

/* 清单条 */
.page-products .pr-routes {
  display: grid;
  gap: 6px;
}

.page-products .pr-route {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 3px solid var(--pine-2);
  border-radius: 0 var(--pr-radius) var(--pr-radius) 0;
  text-decoration: none;
  color: var(--ink);
  transition: border-left-color .2s ease, transform .2s ease, background .2s ease;
}

.page-products .pr-route:hover,
.page-products .pr-route:focus-visible {
  border-left-color: var(--clay);
  background: #fff;
  transform: translateX(3px);
}

.page-products .pr-route__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  background: var(--pine);
  border-radius: 3px;
  padding: 3px 7px;
  letter-spacing: .06em;
}

.page-products .pr-route__body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.page-products .pr-route__title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
}

.page-products .pr-route__meta {
  font-size: 12.5px;
  color: var(--sage);
  line-height: 1.6;
}

.page-products .pr-route__arrow {
  color: var(--clay);
  font-size: 16px;
}

/* 规格表 */
.page-products .pr-spec {
  margin: 22px 0 4px;
  border-top: 1px solid var(--line-strong);
}

.page-products .pr-spec__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pr-spec dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--sage);
}

.page-products .pr-spec dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink);
}

.page-products .pr-spec dd::before {
  content: "";
}

/* 双栏 */
.page-products .pr-two {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
  margin-top: 20px;
}

.page-products .pr-two__main p {
  margin: 0 0 14px;
}

/* 索引标签 */
.page-products .pr-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
}

.page-products .pr-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 5px 12px;
  border-radius: 0 10px 10px 0;
  background: var(--pine);
  color: var(--gold-soft);
  border-left: 3px solid var(--gold);
}

/* 检索结果预览 */
.page-products .pr-preview {
  margin-top: 26px;
  padding: 20px;
  background: var(--paper);
  border: 1px dashed var(--line-strong);
  border-radius: var(--pr-radius);
  display: grid;
  gap: 14px;
}

.page-products .pr-preview__hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--sage);
}

.page-products .pr-preview__group {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas: "tag title" "tag desc";
  gap: 2px 12px;
  padding-bottom: 12px;
  border-bottom: 1px dotted var(--line-strong);
}

.page-products .pr-preview__group:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .pr-preview__tag {
  grid-area: tag;
  align-self: center;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--gold-soft);
  color: var(--pine);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
}

.page-products .pr-preview__title {
  grid-area: title;
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--pine);
}

.page-products .pr-preview__desc {
  grid-area: desc;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--sage);
}

/* 订阅节奏 */
.page-products .pr-cadence {
  margin: 20px 0 4px;
}

.page-products .pr-cadence__label {
  font-size: 12.5px;
  color: var(--sage);
  margin: 0 0 8px !important;
}

.page-products .pr-cadence__label .mono-num {
  font-family: var(--font-mono);
  color: var(--pine);
  font-size: 13px;
  letter-spacing: .06em;
  margin-right: 6px;
}

.page-products .pr-cadence__bar {
  height: 30px;
  border-radius: 4px;
  border-bottom: 2px solid var(--pine);
  background:
    repeating-linear-gradient(90deg, var(--gold) 0 2px, transparent 2px 5.2%),
    linear-gradient(180deg, rgba(217, 178, 106, .18), rgba(217, 178, 106, 0));
}

.page-products .pr-cols {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pr-cols li {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
  padding-left: 30px;
  position: relative;
}

.page-products .pr-cols .mono-num {
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--clay);
}

.page-products .pr-cols strong {
  display: block;
  font-weight: 600;
  color: var(--pine);
}

/* 测试版 */
.page-products .pr-section--beta {
  display: grid;
  gap: 22px;
}

.page-products .pr-beta {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--paper);
  border: 1.5px solid var(--clay);
  border-radius: 0 var(--pr-radius) var(--pr-radius) var(--pr-radius);
  box-shadow: var(--shadow-2);
}

.page-products .pr-beta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--clay) 0 50%, transparent 50%);
  border-radius: 0 0 0 var(--pr-radius);
}

.page-products .pr-beta__flag {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  padding: 4px 10px;
  background: var(--clay);
  color: var(--paper);
  border-radius: 0 8px 8px 0;
  border-left: 3px solid var(--gold);
}

.page-products .pr-beta h2 {
  margin-top: 14px;
  padding-right: 4.5em;
}

.page-products .pr-beta__list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .pr-beta__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink);
  padding: 8px 0;
  border-bottom: 1px dotted var(--line-strong);
}

.page-products .pr-beta__list li:last-child {
  border-bottom: 0;
}

.page-products .pr-beta__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--clay-2);
  letter-spacing: .06em;
}

.page-products .pr-beta__foot {
  margin: 16px 0 0 !important;
  font-size: 14px !important;
  line-height: 1.8;
  color: var(--ink) !important;
}

.page-products .pr-inlink {
  color: var(--clay-2);
  text-decoration: underline;
  text-underline-offset: 3px;
  white-space: nowrap;
}

.page-products .pr-inlink:hover,
.page-products .pr-inlink:focus-visible {
  color: var(--pine);
  text-decoration-color: var(--gold);
}

/* 流程 */
.page-products .pr-figure--wide {
  margin-bottom: 22px;
}

.page-products .pr-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  counter-reset: pr-flow;
}

.page-products .pr-flow__item details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--pr-radius);
  overflow: hidden;
}

.page-products .pr-flow__item details[open] {
  border-color: var(--pine-2);
  box-shadow: var(--shadow-1);
}

.page-products .pr-flow__item summary {
  cursor: pointer;
  padding: 13px 16px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--pine);
  display: flex;
  align-items: baseline;
  gap: 10px;
  list-style: none;
}

.page-products .pr-flow__item summary::-webkit-details-marker {
  display: none;
}

.page-products .pr-flow__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  color: var(--clay);
  font-size: 16px;
}

.page-products .pr-flow__item details[open] summary::after {
  content: "−";
}

.page-products .pr-flow__item summary .mono-num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--gold);
  background: var(--pine);
  padding: 2px 6px;
  border-radius: 3px;
}

.page-products .pr-flow__item p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sage);
  max-width: 36em;
}

/* 团队 */
.page-products .pr-teams {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pr-teams__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 0 16px 16px;
  border-top: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: border-left-color .2s ease, background .2s ease;
}

.page-products .pr-teams__row:hover {
  border-left-color: var(--gold);
  background: var(--paper);
}

.page-products .pr-teams__row:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .pr-teams__role {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--pine);
}

.page-products .pr-teams__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sage);
  max-width: 40em;
}

.page-products .pr-tail {
  margin-top: 30px;
  padding: 22px 20px;
  background: linear-gradient(135deg, rgba(31, 77, 58, .07), rgba(196, 105, 59, .07));
  border-top: 2px solid var(--pine);
  border-radius: 0 0 var(--pr-radius) var(--pr-radius);
}

.page-products .pr-tail p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  max-width: 34em;
}

.page-products .pr-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-products .pr-spec__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

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

  .page-products .pr-teams__row {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

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

@media (min-width: 900px) {
  .page-products .pr-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: clamp(28px, 4vw, 56px);
    padding: 34px 0 68px;
  }

  .page-products .pr-figure--hero {
    margin-bottom: 12px;
  }

  .page-products .pr-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 60px);
  }

  .page-products .pr-rail {
    position: relative;
  }

  .page-products .pr-rail__inner {
    position: sticky;
    top: 96px;
  }

  .page-products .pr-rail__list {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .page-products .pr-two {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 32px;
  }

  .page-products .pr-two--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-products .pr-two--reverse .pr-two__main {
    order: 2;
  }

  .page-products .pr-section--beta {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
    gap: 28px;
  }

  .page-products .pr-figure--beta {
    transform: translateY(26px);
  }

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

  .page-products .pr-preview {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pr-preview__hint {
    grid-column: 1 / -1;
  }

  .page-products .pr-preview__group {
    grid-template-columns: auto 1fr;
    border-bottom: 0;
    border-left: 1px dotted var(--line-strong);
    padding: 0 0 0 14px;
  }

  .page-products .pr-preview__group:first-of-type {
    border-left: 0;
    padding-left: 0;
  }
}

@media (min-width: 1080px) {
  .page-products .pr-figure--hero figcaption {
    max-width: 22em;
  }
}
<<<END>>>
</main>