.page-products {
  --pp-tag-col: 168px;
  --pp-rail-col: 148px;
  --pp-sticky-top: 96px;
  display: block;
  background: var(--paper);
  padding-bottom: 8px;
}

/* ---------- 面包屑与首屏 ---------- */
.page-products .crumbs {
  padding-top: 22px;
}

.page-products .pg-hero {
  padding-block: 26px 0;
}

.page-products .pg-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

.page-products .pg-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 52px);
  line-height: 1.14;
  letter-spacing: .01em;
  color: var(--lake-deep);
  margin: 12px 0 0;
}

.page-products .pg-hero .lede {
  margin-top: 16px;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.8;
  font-weight: 400;
  color: var(--ink-soft);
}

.page-products .pg-hero__note {
  background: var(--lake-tint);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  padding: 18px 20px 20px;
}

.page-products .pg-hero__note-k {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--mist);
}

.page-products .pg-jump {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .pg-jump li {
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .pg-jump li:last-child {
  border-bottom: 0;
}

.page-products .pg-jump a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 9px 0;
  text-decoration: none;
  color: var(--ink);
  font-size: 14.5px;
  line-height: 1.5;
  transition: color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-products .pg-jump a .mono {
  font-size: 12px;
  color: var(--lake);
  letter-spacing: .1em;
  flex: 0 0 auto;
}

.page-products .pg-jump a:hover {
  color: var(--lake);
  transform: translateX(3px);
}

.page-products .pg-ridge {
  margin-top: 34px;
  height: 78px;
}

.page-products .pg-ridge svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* ---------- 主栅格 ---------- */
.page-products .pg-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: 40px;
  padding-bottom: 56px;
}

.page-products .pg-shell__body {
  min-width: 0;
}

/* ---------- 侧向索引 ---------- */
.page-products .anchor-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 2px 12px;
  border-bottom: 1px solid var(--line-soft);
  scrollbar-width: thin;
}

.page-products .anchor-rail__link {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--mist);
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.page-products .anchor-rail__link:hover {
  color: var(--lake);
  background: var(--lake-tint);
}

.page-products .anchor-rail__link.is-active {
  color: var(--white);
  background: var(--lake-deep);
  border-color: var(--lake-deep);
}

/* ---------- 展区 ---------- */
.page-products .a-zone {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  padding-block: 32px 38px;
  border-top: 1px solid var(--line);
}

.page-products .a-zone:first-child {
  border-top: 0;
  padding-top: 4px;
}

.page-products .a-zone__tag {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-products .a-zone__no {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--lake);
  background: var(--lake-soft);
  border-radius: 999px;
  padding: 3px 10px;
}

.page-products .a-zone__label {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--lake-deep);
}

.page-products .a-zone__body {
  min-width: 0;
}

.page-products .a-zone__body h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4vw, 30px);
  line-height: 1.3;
  letter-spacing: .005em;
  color: var(--ink);
  margin: 0 0 14px;
}

.page-products .a-zone__body > p {
  max-width: 62ch;
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-products .a-zone__body > p a {
  color: var(--lake);
  text-decoration: underline;
  text-decoration-color: var(--lake-soft);
  text-underline-offset: 3px;
}

.page-products .a-zone__body > p a:hover {
  text-decoration-color: var(--lake);
}

.page-products .pg-note {
  max-width: 58ch;
  margin: 20px 0;
  padding-left: 13px;
  border-left: 2px solid var(--lake-soft);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pg-note a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid var(--lake-soft);
}

.page-products .pg-tail {
  margin-top: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pg-tail a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid var(--lake-soft);
}

.page-products .pg-tail a:hover {
  border-bottom-color: var(--lake);
}

/* ---------- 筛选带 ---------- */
.page-products .filterbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 4px;
}

.page-products .filter-btn {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  padding: 6px 13px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-soft);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease);
}

.page-products .filter-btn:hover {
  color: var(--lake);
  border-color: var(--lake-soft);
  background: var(--lake-tint);
}

.page-products .filter-btn[aria-pressed="true"] {
  background: var(--lake-deep);
  border-color: var(--lake-deep);
  color: var(--white);
}

/* ---------- 入口条目 ---------- */
.page-products .entry-list {
  display: grid;
  gap: 0;
  margin-top: 10px;
}

.page-products .entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .entry[hidden] {
  display: none;
}

.page-products .entry__where {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--lake);
}

.page-products .entry__name {
  margin: 0 0 5px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .entry__desc {
  margin: 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

/* ---------- 图片容器微调 ---------- */
.page-products .pg-fig {
  margin: 22px 0 26px;
}

.page-products .media__frame {
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--lake-tint);
}

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

.page-products .media__caption {
  margin-top: 8px;
  font-size: 12.5px;
  color: var(--mist);
}

/* ---------- 标签带 ---------- */
.page-products .tagstrip {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding: 6px 2px 18px;
  margin-top: 4px;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.page-products .tagstrip__item {
  flex: 0 0 auto;
  scroll-snap-align: start;
  min-width: 138px;
  padding: 13px 14px 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-s);
}

.page-products .tagstrip__no {
  display: block;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--lake);
}

.page-products .tagstrip__name {
  display: block;
  margin-top: 7px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-products .tagstrip__sub {
  display: block;
  margin-top: 5px;
  font-size: 11.5px;
  color: var(--mist);
}

/* ---------- 会员档位折叠 ---------- */
.page-products .tiers {
  margin-top: 8px;
}

.page-products .tier {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  margin-bottom: 10px;
  overflow: hidden;
  transition: border-color var(--t-fast) var(--ease);
}

.page-products .tier[open] {
  border-color: var(--lake-soft);
}

.page-products .tier summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

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

.page-products .tier summary::after {
  content: "+";
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--lake);
  transition: transform var(--t-fold) var(--ease);
}

.page-products .tier[open] summary::after {
  transform: rotate(45deg);
}

.page-products .tier__name {
  flex: 1 1 auto;
}

.page-products .tier__flag {
  flex: 0 0 auto;
}

.page-products .tier__body {
  padding: 2px 18px 18px;
}

.page-products .tier__list {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--line-soft);
  display: grid;
  gap: 9px;
}

.page-products .tier__list li {
  position: relative;
  padding-left: 19px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-products .tier__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .6em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grass);
}

/* ---------- 批次列表 ---------- */
.page-products .batch-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-soft);
}

.page-products .batch-list li {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-products .batch-list__k {
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--lake);
}

/* ---------- 版本对比 ---------- */
.page-products .vsplit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: 8px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .vcol {
  padding: 22px 20px 24px;
}

.page-products .vcol + .vcol {
  border-top: 1px solid var(--line-soft);
}

.page-products .vcol--stable {
  background: var(--lake-soft);
}

.page-products .vcol--beta {
  background: var(--white);
}

.page-products .vcol__ver {
  margin: 0;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--lake-deep);
}

.page-products .vcol--beta .vcol__ver {
  color: var(--amber);
}

.page-products .vcol__desc {
  margin: 10px 0 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-products .vrow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .vrow li {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 9px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.6;
}

.page-products .vrow__k {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--mist);
  flex: 0 0 auto;
}

.page-products .vrow__v {
  color: var(--ink);
  text-align: right;
}

/* ---------- 场景引述块 ---------- */
.page-products .scenes {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 18px;
}

.page-products .scene {
  padding: 20px 22px 22px;
  border-radius: var(--radius-m);
  background: var(--white);
  border: 1px solid var(--line-soft);
}

.page-products .scene--a {
  background: var(--lake-soft);
  border-color: transparent;
}

.page-products .scene--c {
  background: var(--grass-soft);
  border-color: transparent;
}

.page-products .scene__k {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--lake);
}

.page-products .scene--c .scene__k {
  color: var(--grass);
}

.page-products .scene h3 {
  margin: 9px 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.45;
  color: var(--lake-deep);
}

.page-products .scene--c h3 {
  color: #2F5A3A;
}

.page-products .scene p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 断点 ---------- */
@media (min-width: 680px) {
  .page-products .entry {
    grid-template-columns: var(--pp-tag-col) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-products .entry__where {
    padding-top: 4px;
  }

  .page-products .pg-ridge {
    height: 96px;
  }
}

@media (min-width: 760px) {
  .page-products .a-zone {
    grid-template-columns: var(--pp-tag-col) minmax(0, 1fr);
    gap: 32px;
    padding-block: 40px 46px;
  }

  .page-products .a-zone__tag {
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
    position: sticky;
    top: var(--pp-sticky-top);
    align-self: start;
  }

  .page-products .vsplit {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .page-products .vcol + .vcol {
    border-top: 0;
    border-left: 1px solid var(--line-soft);
  }

  .page-products .scenes {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-products .scene--a {
    grid-column: 1 / span 5;
  }

  .page-products .scene--b {
    grid-column: 6 / span 7;
  }

  .page-products .scene--c {
    grid-column: 3 / span 9;
  }
}

@media (min-width: 900px) {
  .page-products .pg-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: end;
  }

  .page-products .pg-hero__note {
    padding: 20px 22px 22px;
  }
}

@media (min-width: 1024px) {
  .page-products .pg-shell {
    grid-template-columns: var(--pp-rail-col) minmax(0, 1fr);
    gap: 56px;
    padding-top: 52px;
    padding-bottom: 72px;
  }

  .page-products .anchor-rail {
    position: sticky;
    top: var(--pp-sticky-top);
    align-self: start;
    flex-direction: column;
    align-items: flex-start;
    gap: 3px;
    overflow: visible;
    border-bottom: 0;
    border-left: 1px solid var(--line);
    padding: 0 0 0 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pg-jump a,
  .page-products .anchor-rail__link,
  .page-products .filter-btn,
  .page-products .tier,
  .page-products .tier summary::after {
    transition-duration: 0ms;
  }

  .page-products .pg-jump a:hover {
    transform: none;
  }
}