.page-products {
  --pr-rail-w: 196px;
  --pr-block-gap: clamp(64px, 10vw, 132px);
  padding-top: calc(var(--header-h) + 20px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* ---------- 面包屑 ---------- */
.page-products .pr-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(24px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-dim);
}

.page-products .pr-crumbs .wd-crumbs__link {
  color: var(--text-dim);
  text-decoration: none;
}

.page-products .pr-crumbs .wd-crumbs__link:hover,
.page-products .pr-crumbs .wd-crumbs__link[aria-current="page"] {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(24px, 4vw, 48px) 0 clamp(44px, 7vw, 88px);
  border-bottom: 1px solid var(--line-500);
}

.page-products .pr-hero__wedge {
  position: absolute;
  inset: -12% -6% -12% auto;
  width: min(60%, 760px);
  z-index: -1;
  background: linear-gradient(155deg, rgba(37, 225, 212, .16), rgba(37, 225, 212, 0) 68%);
  clip-path: polygon(32% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .pr-hero__line {
  position: absolute;
  right: 0;
  top: 10%;
  width: min(36%, 400px);
  height: 2px;
  background: linear-gradient(90deg, rgba(255, 179, 71, 0), var(--amber));
  transform: rotate(-17deg);
  transform-origin: right center;
  opacity: .55;
  pointer-events: none;
}

.page-products .pr-hero__grid {
  display: grid;
  gap: clamp(30px, 4.5vw, 60px);
  align-items: start;
}

.page-products .pr-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4.6vw, 56px);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-products .pr-hero__title em {
  display: inline-block;
  margin-top: 4px;
  font-style: normal;
  font-weight: 300;
  color: var(--text-dim);
}

.page-products .pr-hero__text {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-products .pr-hero__actions {
  margin-top: 26px;
}

.page-products .pr-hero__side {
  display: grid;
  gap: 18px;
}

.page-products .pr-strip__caption {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.page-products .pr-strip {
  display: grid;
  gap: 10px;
}

.page-products .pr-strip__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line-600);
  border-left: 3px solid var(--line-600);
  background: var(--ink-800);
  color: var(--text-dim);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pr-strip__row:hover {
  transform: translateX(4px);
  border-left-color: var(--cyan);
  background: var(--ink-700);
}

.page-products .pr-strip__row--current {
  border-left-color: var(--cyan);
  background: var(--ink-700);
}

.page-products .pr-strip__code {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--text);
}

.page-products .pr-strip__row--current .pr-strip__code {
  color: var(--cyan);
}

.page-products .pr-strip__label {
  font-size: 14px;
  line-height: 1.5;
}

.page-products .pr-strip__count {
  font-size: 14px;
  color: var(--text-dim);
}

.page-products .pr-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 20px;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-500);
}

.page-products .pr-stats__item {
  display: grid;
  gap: 4px;
}

.page-products .pr-stats__key {
  font-size: 12.5px;
  color: var(--text-dim);
}

.page-products .pr-stats__num {
  margin: 0;
  font-size: 22px;
  letter-spacing: .04em;
  color: var(--cyan);
}

/* ---------- 工作台布局 ---------- */
.page-products .pr-desk {
  margin-top: clamp(44px, 7vw, 88px);
}

.page-products .pr-desk__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 44px);
  align-items: start;
}

.page-products .pr-rail__title {
  margin: 0 0 10px;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-products .pr-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
}

.page-products .pr-rail__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--line-600);
  border-left: 2px solid var(--line-600);
  color: var(--text-dim);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .pr-rail__item:hover,
.page-products .pr-rail__item[aria-current="true"] {
  border-left-color: var(--cyan);
  color: var(--text);
  background: var(--ink-800);
}

.page-products .pr-rail__code {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .pr-rail__label {
  font-size: 13.5px;
}

.page-products .pr-block {
  scroll-margin-top: calc(var(--header-h) + 32px);
}

.page-products .pr-block + .pr-block {
  margin-top: var(--pr-block-gap);
}

/* ---------- 章节头 ---------- */
.page-products .pr-head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

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

.page-products .pr-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.16;
  color: var(--text);
}

.page-products .pr-head__note {
  margin: 0;
  max-width: 70ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .pr-head::after {
  content: "";
  display: block;
  width: 64px;
  height: 2px;
  margin-top: 4px;
  background: var(--cyan);
}

/* ---------- 01 能解决什么 ---------- */
.page-products .pr-cap__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-products .pr-need {
  border-top: 1px solid var(--line-500);
}

.page-products .pr-need__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-500);
}

.page-products .pr-need__idx {
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-products .pr-need__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.page-products .pr-need__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .pr-cap__figure {
  margin: 0;
}

/* ---------- 02 简体版对照 ---------- */
.page-products .pr-compare__figure {
  margin: 0 0 clamp(26px, 3.5vw, 40px);
}

.page-products .pr-compare {
  position: relative;
  border: 1px solid var(--line-600);
  background: var(--ink-800);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

.page-products .pr-compare__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line-600);
  background: var(--ink-700);
}

.page-products .pr-compare__legend {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 13px;
  color: var(--text-dim);
}

.page-products .pr-compare__swatch {
  width: 12px;
  height: 12px;
  background: var(--amber);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

.page-products .pr-difftoggle {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.page-products .pr-difftoggle__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pr-difftoggle__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 16px;
  border: 1px solid var(--line-500);
  border-radius: var(--pill);
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pr-difftoggle__label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line-500);
  transition: background var(--dur) var(--ease);
}

.page-products .pr-difftoggle__input:checked + .pr-difftoggle__label {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

.page-products .pr-difftoggle__input:checked + .pr-difftoggle__label::before {
  background: var(--ink-900);
}

.page-products .pr-difftoggle__input:focus-visible + .pr-difftoggle__label {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .pr-compare__head {
  display: none;
  border-bottom: 1px solid var(--line-500);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--text-dim);
}

.page-products .pr-compare__head > span {
  padding: 12px 18px;
}

.page-products .pr-compare__head > span + span {
  border-left: 1px solid var(--line-500);
}

.page-products .pr-row {
  position: relative;
  display: grid;
  border-bottom: 1px solid var(--line-500);
}

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

.page-products .pr-row__topic {
  grid-column: 1 / -1;
  margin: 0;
  padding: 12px 18px 0;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--amber);
}

.page-products .pr-row:not([data-state="diff"]) .pr-row__topic {
  color: var(--text-dim);
}

.page-products .pr-row__old,
.page-products .pr-row__new {
  margin: 0;
  padding: 8px 18px 18px;
  font-size: 15px;
  line-height: 1.75;
}

.page-products .pr-row__old {
  color: var(--text-dim);
}

.page-products .pr-row__new {
  color: var(--text);
}

.page-products .pr-row[data-state="diff"] {
  background: var(--wash);
}

.page-products .pr-row[data-state="diff"]::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--amber);
}

.page-products .pr-compare:has(#pr-diff-only:checked) .pr-row:not([data-state="diff"]) {
  display: none;
}

/* ---------- 03 跨版本导出 ---------- */
.page-products .pr-export__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-products .pr-export__figure {
  margin: 0;
}

.page-products .pr-export__body {
  display: grid;
  gap: 20px;
}

.page-products .pr-stack {
  position: relative;
  width: 132px;
  height: 74px;
  margin-bottom: 4px;
}

.page-products .pr-stack__cube {
  position: absolute;
  top: 0;
  left: 0;
  width: 52px;
  height: 74px;
  transform: skewY(-14deg);
  border: 1px solid var(--line-600);
}

.page-products .pr-stack__cube--a {
  left: 0;
  background: rgba(37, 225, 212, .34);
  z-index: 3;
}

.page-products .pr-stack__cube--b {
  left: 34px;
  background: rgba(37, 225, 212, .16);
  z-index: 2;
}

.page-products .pr-stack__cube--c {
  left: 68px;
  background: rgba(255, 179, 71, .22);
  border-color: var(--amber-deep);
  z-index: 1;
}

.page-products .pr-stack__tag {
  position: absolute;
  right: 0;
  bottom: -4px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-products .pr-scenes {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-500);
}

.page-products .pr-scenes__item {
  padding: 20px 0;
  border-bottom: 1px solid var(--line-500);
}

.page-products .pr-scenes__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-products .pr-scenes__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .pr-fold + .pr-fold {
  margin-top: 10px;
}

/* ---------- 04 批次索引 ---------- */
.page-products .pr-index__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-products .pr-index__figure {
  margin: 0;
}

.page-products .pr-index {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-products .pr-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pr-filter__cell {
  display: inline-flex;
}

.page-products .pr-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .pr-filter__label {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 15px;
  border: 1px solid var(--line-500);
  border-radius: var(--pill);
  font-size: 13px;
  color: var(--text-dim);
  cursor: pointer;
  user-select: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pr-filter__label:hover {
  border-color: var(--cyan);
  color: var(--text);
}

.page-products .pr-filter__input:checked + .pr-filter__label {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

.page-products .pr-filter__input:focus-visible + .pr-filter__label {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-products .pr-index__table {
  border: 1px solid var(--line-600);
  background: var(--ink-800);
}

.page-products .pr-index__caption {
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.6;
  text-align: left;
  color: var(--text-dim);
}

.page-products .pr-index__code {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.page-products .pr-index__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(37, 225, 212, .18);
}

.page-products .pr-index:has(#pr-topic-channel:checked) .wd-table tbody tr:not([data-topic="channel"]),
.page-products .pr-index:has(#pr-topic-struct:checked) .wd-table tbody tr:not([data-topic="struct"]),
.page-products .pr-index:has(#pr-topic-wording:checked) .wd-table tbody tr:not([data-topic="wording"]),
.page-products .pr-index:has(#pr-topic-archive:checked) .wd-table tbody tr:not([data-topic="archive"]) {
  display: none;
}

/* ---------- 05 回访路径 ---------- */
.page-products .pr-revisit {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(30px, 4.5vw, 56px) clamp(20px, 3vw, 44px);
  border: 1px solid var(--line-600);
  background: var(--ink-800);
}

.page-products .pr-revisit__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .16;
  pointer-events: none;
}

.page-products .pr-revisit__inner {
  position: relative;
  display: grid;
  gap: 22px;
}

.page-products .pr-steps {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-500);
}

.page-products .pr-steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line-500);
}

.page-products .pr-steps__no {
  grid-row: 1 / span 2;
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-products .pr-steps__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}

.page-products .pr-steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .pr-revisit__note {
  margin: 0;
  max-width: 74ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-products .pr-revisit__actions {
  margin-top: 4px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pr-compare__head {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pr-row {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pr-row__new {
    border-left: 1px solid var(--line-500);
  }

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

@media (max-width: 719px) {
  .page-products .pr-row__new {
    border-top: 1px dashed var(--line-600);
    background: rgba(37, 225, 212, .04);
  }
}

@media (min-width: 900px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-products .pr-cap__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: clamp(30px, 4vw, 52px);
  }

  .page-products .pr-export__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(30px, 4.5vw, 56px);
  }

  .page-products .pr-index__grid {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: clamp(28px, 3.6vw, 44px);
  }
}

@media (min-width: 1000px) {
  .page-products .pr-desk__grid {
    grid-template-columns: var(--pr-rail-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 64px);
  }

  .page-products .pr-rail__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-products .pr-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3vw, 44px);
  }
}