.page-products {
  --pg-rule-line: var(--hair);
  --pg-pad: clamp(18px, 3vw, 34px);
}

/* ---------- 面包屑 ---------- */
.page-products .og-crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--muted);
}
.page-products .og-crumbs__link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-products .og-crumbs__link:hover { border-bottom-color: var(--cyan); }
.page-products .og-crumbs__current { color: var(--ivory); }

/* ---------- 首屏 ---------- */
.page-products .pg-hero {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
  margin-bottom: clamp(30px, 4vw, 46px);
}
.page-products .pg-kicker {
  margin: 0 0 14px;
  font-size: var(--fs-12);
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-products .pg-hero__title {
  margin: 0 0 16px;
  font-size: var(--fs-56);
  line-height: 1.1;
  letter-spacing: .015em;
  font-weight: 900;
  color: var(--ivory);
  max-width: 18em;
}
.page-products .pg-hero__lede {
  margin: 0 0 24px;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--muted);
  max-width: 34em;
}
.page-products .pg-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .pg-hero__fig {
  margin: 0;
  position: relative;
}
.page-products .pg-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--hair);
  background: var(--ink-2);
  object-fit: cover;
}
.page-products .pg-hero__fig figcaption {
  margin-top: 10px;
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--muted);
}

/* ---------- 关键数字带 ---------- */
.page-products .pg-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 clamp(34px, 5vw, 60px);
  padding: 0;
  list-style: none;
  background: var(--hair);
  border: 1px solid var(--hair);
}
.page-products .pg-stat {
  background: var(--ink-2);
  padding: 16px var(--pg-pad);
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-products .pg-stat__v {
  font-size: var(--fs-20);
  color: var(--amber);
  letter-spacing: .02em;
}
.page-products .pg-stat__k {
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--muted);
}

/* ---------- 左右分屏 ---------- */
.page-products .pg-split {
  display: grid;
  gap: clamp(26px, 4vw, 54px);
}

.page-products .pg-index {
  border-left: 1px solid var(--hair);
  padding-left: 14px;
}
.page-products .pg-index__note {
  margin: 0 0 12px;
}
.page-products .pg-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
}
.page-products .pg-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 3px 0;
  font-size: var(--fs-14);
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-products .pg-index__link .og-num {
  font-size: var(--fs-12);
  color: var(--amber);
}
.page-products .pg-index__link:hover,
.page-products .pg-index__link[data-active="true"] {
  color: var(--ivory);
  border-bottom-color: var(--cyan);
}
.page-products .pg-index__link[data-active="true"] .og-num { color: var(--cyan); }

/* ---------- 章节通用 ---------- */
.page-products .pg-sec {
  padding: clamp(28px, 4vw, 44px) 0;
  border-top: 1px solid var(--hair);
}
.page-products .pg-sec:first-child { border-top: 0; padding-top: 0; }
.page-products .pg-sec__head { margin-bottom: clamp(20px, 2.6vw, 30px); }
.page-products .og-section__num {
  display: block;
  font-size: var(--fs-40);
  line-height: 1;
  color: var(--amber);
  letter-spacing: .02em;
  margin-bottom: 10px;
}
.page-products .og-section__title {
  margin: 0 0 12px;
  font-size: var(--fs-28);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ivory);
}
.page-products .og-section__lede {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--muted);
  max-width: 34em;
}

/* ---------- 暖纸区换肤 ---------- */
.page-products .pg-sec--paper {
  background: var(--paper);
  color: var(--ink-2);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  padding: clamp(28px, 4vw, 48px) var(--pg-pad);
}
.page-products .pg-sec--paper .og-section__title { color: var(--ink-2); }
.page-products .pg-sec--paper .og-section__lede { color: #4A4A63; }
.page-products .pg-sec--paper .og-section__num { color: #B9761B; }

/* ---------- 筛选按钮 ---------- */
.page-products .pg-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.page-products .og-filter__btn {
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  padding: 7px 14px;
  border: 1px solid var(--hair);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.page-products .og-filter__btn:hover { color: var(--ivory); border-color: var(--haze); }
.page-products .og-filter__btn[aria-pressed="true"],
.page-products .og-filter__btn[data-active="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}
.page-products .pg-sec--paper .og-filter__btn {
  border-color: var(--paper-2);
  color: #4A4A63;
}
.page-products .pg-sec--paper .og-filter__btn:hover { border-color: var(--haze); color: var(--ink-2); }
.page-products .pg-sec--paper .og-filter__btn[aria-pressed="true"],
.page-products .pg-sec--paper .og-filter__btn[data-active="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

/* ---------- 版本日志流 ---------- */
.page-products .pg-flow {
  border-top: 1px solid var(--hair);
}
.page-products .pg-row {
  display: grid;
  gap: 10px 18px;
  padding: 16px 14px;
  border-bottom: 1px solid var(--hair);
  background: var(--ink);
  transition: background .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}
.page-products .pg-row:nth-child(even) { background: var(--ink-2); }
.page-products .pg-row[data-hidden="true"] { display: none; }
.page-products .pg-row__id {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-products .pg-tag {
  font-size: var(--fs-12);
  letter-spacing: .1em;
  padding: 3px 8px;
  border: 1px solid currentColor;
  background: transparent;
}
.page-products .pg-tag--monthly { color: var(--cyan); }
.page-products .pg-tag--fix { color: var(--amber); }
.page-products .pg-tag--tool { color: var(--paper-2); }
.page-products .pg-row__ver {
  font-size: var(--fs-20);
  color: var(--ivory);
  letter-spacing: .02em;
}
.page-products .pg-row__alias {
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--muted);
}
.page-products .pg-row__sum {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}
.page-products .pg-row__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 0;
}
.page-products .pg-row__cell {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.page-products .pg-row__cell dt {
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--haze);
}
.page-products .pg-row__cell dd {
  margin: 0;
  font-size: var(--fs-12);
  color: var(--amber);
}
.page-products .pg-copy {
  justify-self: start;
  font-family: var(--font-sans);
  font-size: var(--fs-12);
  letter-spacing: .08em;
  padding: 7px 12px;
  border: 1px solid var(--hair);
  background: transparent;
  color: var(--cyan);
  cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-products .pg-copy:hover { border-color: var(--cyan); color: var(--ivory); }
.page-products .pg-flow__foot {
  margin: 16px 0 0;
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--muted);
}

/* ---------- 图文内栏 ---------- */
.page-products .pg-inner {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
}
.page-products .pg-fig {
  margin: 0;
  border: 1px solid var(--paper-2);
  background: var(--ink);
  overflow: hidden;
}
.page-products .pg-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-products .pg-fig figcaption {
  padding: 9px 12px;
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--paper-2);
  background: var(--ink-2);
}
.page-products .pg-sec:not(.pg-sec--paper) .pg-fig { border-color: var(--hair); }
.page-products .pg-sec:not(.pg-sec--paper) .pg-fig figcaption {
  background: var(--ink-2);
  color: var(--muted);
}
.page-products .pg-fig--wide { margin-top: clamp(20px, 3vw, 32px); }

/* ---------- 资料包结构 ---------- */
.page-products .pg-stackwrap {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.page-products .pg-stack {
  display: block;
  width: 100%;
  height: auto;
  max-height: 56px;
  border: 1px solid var(--paper-2);
}
.page-products .pg-parts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}
.page-products .pg-part {
  border-left: 3px solid var(--ink);
  padding-left: 12px;
}
.page-products .pg-part__pct {
  font-size: var(--fs-20);
  color: #B9761B;
}
.page-products .pg-part__name {
  margin: 4px 0 6px;
  font-size: var(--fs-16);
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ink-2);
}
.page-products .pg-part__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: #4A4A63;
}
.page-products .pg-inner__link {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: #4A4A63;
}
.page-products .pg-inner__link a { color: #1C6A70; }

/* ---------- 版本规则 ---------- */
.page-products .pg-rules {
  display: grid;
  gap: 14px;
}
.page-products .pg-rule {
  padding: var(--pg-pad);
  border-left: 3px solid var(--amber);
}
.page-products .pg-rule__code {
  margin: 0 0 8px;
  font-size: var(--fs-20);
  color: var(--amber);
}
.page-products .pg-rule__name {
  margin: 0 0 8px;
  font-size: var(--fs-20);
  font-weight: 800;
  color: var(--ivory);
}
.page-products .pg-rule__desc {
  margin: 0 0 14px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}
.page-products .pg-rule__meta {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}
.page-products .pg-rule__meta div {
  display: flex;
  align-items: baseline;
  gap: 6px;
}
.page-products .pg-rule__meta dt {
  font-size: var(--fs-12);
  letter-spacing: .08em;
  color: var(--haze);
}
.page-products .pg-rule__meta dd {
  margin: 0;
  font-size: var(--fs-12);
  color: var(--cyan);
}
.page-products .pg-retention {
  margin: 22px 0 0;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
  padding-left: 14px;
  border-left: 1px solid var(--hair);
}
.page-products .pg-retention strong { color: var(--ivory); }

/* ---------- 分类标签与术语词典 ---------- */
.page-products .pg-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.page-products .pg-cat {
  font-size: var(--fs-12);
  letter-spacing: .08em;
  padding: 5px 12px;
  color: var(--ink);
  background: var(--paper-2);
  border: 1px solid var(--ink-2);
}
.page-products .pg-cats__foot {
  margin: 0 0 clamp(22px, 3vw, 32px);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: #4A4A63;
}
.page-products .pg-cats__foot a { color: #1C6A70; }
.page-products .pg-terms {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--paper-2);
}
.page-products .pg-term {
  padding: 14px 0;
  border-bottom: 1px solid var(--paper-2);
}
.page-products .pg-term[data-hidden="true"] { display: none; }
.page-products .pg-term__name {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 6px;
  font-size: var(--fs-16);
  font-weight: 800;
  color: var(--ink-2);
}
.page-products .pg-term__idx {
  font-size: var(--fs-12);
  color: #B9761B;
}
.page-products .pg-term__def {
  margin: 0 0 4px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--ink-2);
}
.page-products .pg-term__use {
  margin: 0;
  font-size: var(--fs-12);
  line-height: 1.7;
  color: #4A4A63;
}
.page-products .pg-gloss__foot {
  margin: 14px 0 0;
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: #4A4A63;
}

/* ---------- 桌面环境 ---------- */
.page-products .pg-sec--env {
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
  padding-left: var(--pg-pad);
  padding-right: var(--pg-pad);
}
.page-products .pg-env {
  display: grid;
  gap: 14px;
}
.page-products .pg-env__item { padding: var(--pg-pad); }
.page-products .pg-env__name {
  margin: 0 0 8px;
  font-size: var(--fs-20);
  font-weight: 800;
  color: var(--ivory);
}
.page-products .pg-env__desc {
  margin: 0 0 10px;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}
.page-products .pg-env__spec {
  margin: 0;
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--cyan);
}
.page-products .pg-checks {
  margin-top: clamp(22px, 3vw, 32px);
}
.page-products .pg-checks__title {
  margin: 0 0 12px;
  font-size: var(--fs-16);
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--amber);
}
.page-products .pg-checks__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}
.page-products .pg-check {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 10px 12px;
  background: var(--ink);
  border-left: 1px solid var(--hair);
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}
.page-products .pg-check__i {
  font-size: var(--fs-12);
  color: var(--amber);
}
.page-products .pg-checks__foot {
  margin: 14px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--muted);
}
.page-products .pg-checks__foot a { color: var(--cyan); }

/* ---------- 下载协助 ---------- */
.page-products .pg-help {
  display: grid;
  gap: 14px;
}
.page-products .pg-help__card { padding: var(--pg-pad); }
.page-products .pg-help__name {
  margin: 0 0 10px;
  font-size: var(--fs-16);
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--muted);
}
.page-products .pg-help__val {
  margin: 0 0 14px;
  font-size: var(--fs-20);
  color: var(--ivory);
  word-break: break-all;
}
.page-products .pg-help__note {
  margin: 12px 0 0;
  font-size: var(--fs-12);
  line-height: 1.8;
  color: var(--muted);
}
.page-products .pg-help__note a { color: var(--cyan); }

/* ---------- 本期更新摘要 ---------- */
.page-products .pg-sec--digest {
  border-top: 0;
  background: var(--haze);
  padding-left: var(--pg-pad);
  padding-right: var(--pg-pad);
}
.page-products .pg-digest {
  margin: 0 0 18px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--ivory);
  max-width: 40em;
}
.page-products .pg-digest__link { margin: 0; }

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .pg-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .page-products .pg-parts { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 24px; }
  .page-products .pg-rules { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--hair); border: 1px solid var(--hair); }
  .page-products .pg-rule { border-left: 0; border-top: 3px solid var(--amber); background: var(--ink); }
  .page-products .pg-env { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .pg-terms { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 24px; }
  .page-products .pg-help { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .page-products .pg-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: end;
  }
  .page-products .pg-split {
    grid-template-columns: minmax(0, 30%) minmax(0, 1fr);
  }
  .page-products .pg-index {
    position: sticky;
    top: 96px;
  }
  .page-products .pg-index__list {
    flex-direction: column;
    gap: 2px;
  }
  .page-products .pg-inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }
  .page-products .pg-inner--env {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
  .page-products .pg-checks__list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .pg-row {
    grid-template-columns: minmax(0, 210px) minmax(0, 1fr) minmax(0, 140px) auto;
    align-items: center;
    padding: 16px 18px;
  }
  .page-products .pg-copy { justify-self: end; }
}

@media (min-width: 1200px) {
  .page-products .pg-row:hover {
    background: var(--ink-2);
    box-shadow: inset 3px 0 0 var(--cyan);
    transform: translateX(-6px);
  }
  .page-products .pg-row:nth-child(even):hover { background: var(--haze); }
  .page-products .pg-fig--gloss { position: sticky; top: 96px; }
}

@media (hover: none) {
  .page-products .pg-row:hover { transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pg-row,
  .page-products .og-filter__btn,
  .page-products .pg-copy,
  .page-products .pg-index__link {
    transition: none;
  }
}