.page-products {
  --pr-max: 1120px;
  --pr-radius: 22px;
}

.page-products .pr-shell {
  max-width: var(--pr-max);
  margin-inline: auto;
  padding-block: clamp(28px, 4vw, 56px) clamp(64px, 9vw, 128px);
}

/* ---------- 首屏 ---------- */
.page-products .pr-masthead {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-products .pr-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-products .pr-crumbs a {
  color: var(--fog);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-products .pr-crumbs a:hover,
.page-products .pr-crumbs a:focus-visible {
  color: var(--signal);
}

.page-products .pr-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.3rem, 7.4vw, 5rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
  max-width: 16ch;
}

.page-products .pr-lede {
  margin: 0;
  max-width: 48ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--fog);
}

.page-products .pr-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
}

.page-products .pr-facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  background: var(--abyss);
}

.page-products .pr-facts__v {
  font-size: 1.375rem;
  font-weight: 600;
  line-height: 1;
  color: var(--signal);
  font-variant-numeric: tabular-nums;
}

.page-products .pr-facts__k {
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--fog);
}

@media (min-width: 720px) {
  .page-products .pr-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 页内索引 ---------- */
.page-products .pr-jump {
  display: grid;
  grid-template-columns: 1fr;
  border-top: 1px solid var(--line);
}

.page-products .pr-jump__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-products .pr-jump__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 2px;
  background: var(--signal);
  transform: translateY(-50%);
  transition: width var(--dur) var(--ease);
}

.page-products .pr-jump__link:hover,
.page-products .pr-jump__link:focus-visible {
  color: var(--signal);
  padding-left: 38px;
}

.page-products .pr-jump__link:hover::before,
.page-products .pr-jump__link:focus-visible::before {
  width: 28px;
}

.page-products .pr-jump__link:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-products .pr-jump__n {
  font-size: 0.75rem;
  color: var(--fog);
}

@media (min-width: 680px) {
  .page-products .pr-jump {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }
}

/* ---------- 区块骨架 ---------- */
.page-products .pr-section {
  margin-top: clamp(64px, 9vw, 120px);
  scroll-margin-top: calc(var(--header-h) + 16px);
}

.page-products .pr-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: clamp(28px, 4vw, 44px);
  max-width: 60ch;
}

.page-products .section__title {
  margin: 0;
  color: var(--paper);
}

.page-products .section__lead {
  margin: 0;
  color: var(--fog);
}

/* ---------- 图片容器 ---------- */
.page-products .pr-figure {
  margin: 0 0 32px;
  border: 1px solid var(--line);
  border-radius: var(--pr-radius);
  overflow: hidden;
  background: var(--harbor);
}

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

/* ---------- 三条路径 ---------- */
.page-products .pr-paths {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .pr-path {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 24px 24px 30px;
  background: var(--harbor);
  border: 1px solid var(--line);
  border-radius: 18px;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pr-path::before {
  content: "";
  position: absolute;
  left: 0;
  top: 26px;
  bottom: 26px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--signal);
}

.page-products .pr-path:hover {
  transform: translateY(-4px);
  background: var(--tide);
  border-color: var(--signal);
}

.page-products .pr-path__num {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.page-products .pr-path__title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--paper);
}

.page-products .pr-path__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--fog);
}

.page-products .pr-path__prep {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 4px 0 0;
  font-size: 0.8125rem;
  color: var(--mist);
}

@media (min-width: 880px) {
  .page-products .pr-paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-products .pr-path:nth-child(2) {
    margin-top: 14px;
  }

  .page-products .pr-path:nth-child(3) {
    margin-top: 28px;
  }
}

/* ---------- 格式与规格 ---------- */
.page-products .pr-formats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .pr-spec {
  margin: 0 0 24px;
  border-top: 1px solid var(--line);
}

.page-products .pr-spec__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .pr-spec__k {
  margin: 0;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-products .pr-spec__v {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-products .pr-formats__note {
  margin: 0 0 24px;
  color: var(--fog);
}

.page-products .pr-formats__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
}

.page-products .pr-copy {
  cursor: pointer;
}

.page-products .pr-inline-link {
  font-size: 0.875rem;
  color: var(--signal);
}

.page-products .pr-formats__figure {
  margin-bottom: 0;
}

@media (min-width: 900px) {
  .page-products .pr-formats {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 56px;
    align-items: start;
  }
}

/* ---------- 获取流程 ---------- */
.page-products .pr-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 28px;
  max-width: 62ch;
}

.page-products .pr-flow__step {
  position: relative;
  padding-left: 48px;
}

.page-products .pr-flow__step::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 34px;
  bottom: -28px;
  width: 1px;
  background: var(--line);
}

.page-products .pr-flow__step:last-child::before {
  display: none;
}

.page-products .pr-flow__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--harbor);
  font-size: 0.6875rem;
  color: var(--signal);
}

.page-products .pr-flow__title {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pr-flow__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--fog);
}

@media (min-width: 900px) {
  .page-products .pr-flow {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 40px;
    max-width: none;
  }

  .page-products .pr-flow__step {
    padding-left: 0;
    padding-top: 52px;
  }

  .page-products .pr-flow__step::before {
    left: 31px;
    top: 15px;
    bottom: auto;
    width: calc(100% - 31px);
    height: 1px;
  }

  .page-products .pr-flow__step:last-child::before {
    display: none;
  }

  .page-products .pr-flow__num {
    left: 0;
    top: 0;
  }
}

/* ---------- 小屏阅读 ---------- */
.page-products .pr-mobile {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-products .pr-mobile__figure {
  margin-bottom: 0;
}

.page-products .pr-mobile__note {
  margin: 0 0 18px;
  color: var(--fog);
}

.page-products .pr-mobile__note:last-of-type {
  margin-bottom: 20px;
}

@media (min-width: 860px) {
  .page-products .pr-mobile {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 56px;
    align-items: center;
  }
}

/* ---------- 入口清单 ---------- */
.page-products .pr-catalog-figure {
  margin-bottom: 28px;
}

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

.page-products .pr-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.page-products .pr-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}

.page-products .pr-filter__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--fog);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-products .pr-filter__label .mono {
  color: var(--fog);
}

.page-products #pr-cat-all:checked ~ .pr-filter label[for="pr-cat-all"],
.page-products #pr-cat-download:checked ~ .pr-filter label[for="pr-cat-download"],
.page-products #pr-cat-subscribe:checked ~ .pr-filter label[for="pr-cat-subscribe"],
.page-products #pr-cat-contact:checked ~ .pr-filter label[for="pr-cat-contact"] {
  background: var(--tide);
  border-color: var(--signal);
  color: var(--paper);
}

.page-products #pr-cat-all:checked ~ .pr-filter label[for="pr-cat-all"] .mono,
.page-products #pr-cat-download:checked ~ .pr-filter label[for="pr-cat-download"] .mono,
.page-products #pr-cat-subscribe:checked ~ .pr-filter label[for="pr-cat-subscribe"] .mono,
.page-products #pr-cat-contact:checked ~ .pr-filter label[for="pr-cat-contact"] .mono {
  color: var(--signal);
}

.page-products #pr-cat-all:focus-visible ~ .pr-filter label[for="pr-cat-all"],
.page-products #pr-cat-download:focus-visible ~ .pr-filter label[for="pr-cat-download"],
.page-products #pr-cat-subscribe:focus-visible ~ .pr-filter label[for="pr-cat-subscribe"],
.page-products #pr-cat-contact:focus-visible ~ .pr-filter label[for="pr-cat-contact"] {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-products #pr-cat-download:checked ~ .pr-grid .pr-entry:not([data-cat="download"]),
.page-products #pr-cat-subscribe:checked ~ .pr-grid .pr-entry:not([data-cat="subscribe"]),
.page-products #pr-cat-contact:checked ~ .pr-grid .pr-entry:not([data-cat="contact"]) {
  display: none;
}

.page-products .pr-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-products .pr-entry {
  position: relative;
  display: flex;
  gap: 16px;
  padding: 22px 20px;
  background: var(--harbor);
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pr-entry::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 62px;
  height: 62px;
  background: var(--tide);
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  pointer-events: none;
}

.page-products .pr-entry:hover,
.page-products .pr-entry:focus-within {
  transform: translateY(-4px);
  background: var(--tide);
  border-color: var(--signal);
}

.page-products .pr-entry__num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--signal);
}

.page-products .pr-entry__body {
  position: relative;
  min-width: 0;
}

.page-products .pr-entry__title {
  margin: 0 0 8px;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
}

.page-products .pr-entry__title a {
  color: var(--paper);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-products .pr-entry__title a::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}

.page-products .pr-entry__title a:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

.page-products .pr-entry__desc {
  margin: 0 0 12px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--fog);
}

.page-products .pr-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 0.75rem;
  color: var(--fog);
}

@media (min-width: 780px) {
  .page-products .pr-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 40px 28px;
  }
}

/* ---------- 常见疑问 ---------- */
.page-products .pr-faq {
  border-top: 1px solid var(--line);
}

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

.page-products .pr-q__q {
  position: relative;
  padding: 20px 44px 20px 0;
  list-style: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}

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

.page-products .pr-q__q:hover,
.page-products .pr-q__q:focus-visible {
  color: var(--signal);
}

.page-products .pr-q__q:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-products .pr-q__q::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--signal);
}

.page-products .pr-q[open] .pr-q__q::after {
  content: "−";
}

.page-products .pr-q__a {
  margin: 0;
  padding: 0 32px 22px 0;
  max-width: 62ch;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--fog);
}

/* ---------- 收束 ---------- */
.page-products .pr-next {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: clamp(40px, 6vw, 64px);
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--harbor);
}

.page-products .pr-next__text {
  margin: 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--paper);
}

.page-products .pr-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

@media (min-width: 760px) {
  .page-products .pr-next {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 32px 36px;
  }

  .page-products .pr-next__text {
    max-width: 52ch;
  }
}

/* ---------- 无 JS 与动效降级 ---------- */
.page-products [data-reveal] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-path:hover,
  .page-products .pr-entry:hover,
  .page-products .pr-entry:focus-within {
    transform: none;
  }

  .page-products .pr-jump__link:hover,
  .page-products .pr-jump__link:focus-visible {
    padding-left: 0;
  }

  .page-products .pr-jump__link:hover::before,
  .page-products .pr-jump__link:focus-visible::before {
    width: 0;
  }
}