.page-products {
  --pp-rule: rgba(199, 208, 206, 0.32);
  --pp-rule-soft: rgba(199, 208, 206, 0.16);
  --pp-deep-text: rgba(237, 230, 216, 0.8);
  --pp-paper-rule: rgba(36, 28, 25, 0.14);
  --pp-sheet: #fdfbf7;
  background: var(--ink);
}

/* ============ 首屏 ============ */
.page-products .pp-hero {
  position: relative;
  padding-block: 26px 0;
  background-image: radial-gradient(circle at 86% 8%, rgba(226, 118, 47, 0.16), transparent 48%);
}

.page-products .pp-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.page-products .pp-crumbs a {
  color: var(--text-muted-on-ink);
  text-decoration: none;
}

.page-products .pp-crumbs a:hover {
  color: var(--accent-soft);
}

.page-products .pp-crumbs li[aria-current] {
  color: var(--text-on-ink);
}

.page-products .pp-crumbs li + li::before {
  content: "/";
  margin-right: 10px;
  color: rgba(199, 208, 206, 0.5);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: 28px;
  margin-top: 24px;
}

.page-products .pp-hero__text .eyebrow {
  color: var(--gold);
}

.page-products .pp-hero__text h1 {
  margin: 8px 0 14px;
  color: var(--text-on-ink);
  letter-spacing: -0.01em;
}

.page-products .pp-hero__text .lede {
  color: var(--pp-deep-text);
  max-width: 46ch;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .pp-hero__quick {
  align-self: start;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius-lg);
  padding: 18px 18px 20px;
  background: rgba(14, 24, 40, 0.6);
}

.page-products .pp-hero__quick-label {
  margin: 0;
  font-size: 0.76rem;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-products .pp-quick {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-quick a {
  display: block;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: rgba(246, 241, 230, 0.07);
  color: var(--text-on-ink);
  font-size: 0.94rem;
  text-decoration: none;
  transition: background 0.18s ease, color 0.18s ease;
}

.page-products .pp-quick a:hover,
.page-products .pp-quick a:focus-visible {
  background: var(--accent);
  color: #fff;
}

/* ============ 章节导轨 ============ */
.page-products .pp-rail {
  margin-top: 34px;
  padding-block: 14px 18px;
  background: var(--ink-deep);
  border-top: 1px solid var(--pp-rule-soft);
}

.page-products .pp-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-rail__list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius-pill);
  color: var(--text-muted-on-ink);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-products .pp-rail__list a .mono {
  font-size: 0.74rem;
  color: var(--gold);
}

.page-products .pp-rail__list a:hover {
  color: var(--text-on-ink);
  border-color: var(--accent);
}

.page-products .pp-rail__list a[aria-current="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.page-products .pp-rail__list a[aria-current="true"] .mono {
  color: rgba(255, 255, 255, 0.82);
}

/* ============ 通用区块头 ============ */
.page-products .pp-sec-head {
  max-width: 62ch;
  margin-bottom: 30px;
}

.page-products .pp-sec-head h2 {
  margin: 8px 0 12px;
}

.page-products .pp-sec-head .lede {
  margin: 0;
}

.page-products .pp-lines,
.page-products .pp-entry,
.page-products .pp-support {
  padding-block: 54px;
}

.page-products .pp-versions,
.page-products .pp-scenes {
  padding-block: 58px;
}

.page-products .pp-lines .eyebrow,
.page-products .pp-entry .eyebrow,
.page-products .pp-support .eyebrow {
  color: var(--gold-deep);
}

.page-products .pp-versions .eyebrow,
.page-products .pp-scenes .eyebrow {
  color: var(--gold);
}

.page-products .pp-versions .pp-sec-head h2,
.page-products .pp-scenes .pp-sec-head h2 {
  color: var(--text-on-ink);
}

.page-products .pp-versions .pp-sec-head .lede,
.page-products .pp-scenes .pp-sec-head .lede {
  color: var(--pp-deep-text);
}

/* ============ 三条业务线 ============ */
.page-products .pp-line {
  display: grid;
  gap: 22px;
  padding-block: 30px;
  border-top: 1px solid var(--pp-paper-rule);
}

.page-products .pp-line:last-of-type {
  border-bottom: 1px solid var(--pp-paper-rule);
}

.page-products .pp-line__body .tag {
  margin-bottom: 10px;
}

.page-products .pp-line__body h3 {
  margin: 0 0 12px;
}

.page-products .pp-line__body p {
  margin: 0 0 10px;
  color: var(--text-muted-on-paper);
  font-size: 1rem;
  line-height: 1.85;
}

.page-products .pp-line__media {
  margin: 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--paper-soft);
  box-shadow: var(--shadow-paper);
}

.page-products .pp-line__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-products .pp-line__media--square img {
  aspect-ratio: 1 / 1;
}

.page-products .pp-more {
  margin-top: 16px;
  padding: 12px 16px;
  border: 1px dashed var(--pp-paper-rule);
  border-radius: var(--radius-md);
}

.page-products .pp-more summary {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  color: var(--brown);
}

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

.page-products .pp-more summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--accent);
}

.page-products .pp-more[open] summary::before {
  content: "\2013";
}

.page-products .pp-more ul {
  margin: 12px 0 2px;
  padding-left: 18px;
}

.page-products .pp-more li {
  margin: 7px 0;
  color: var(--text-muted-on-paper);
  line-height: 1.8;
}

/* ============ 版本演进 ============ */
.page-products .pp-version-art {
  margin: 0 0 30px;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .pp-version-art img {
  display: block;
  width: 100%;
  height: auto;
}

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

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

.page-products .pp-board__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.page-products .pp-board__hint {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--text-muted-on-ink);
}

.page-products .pp-board__switch {
  display: flex;
  gap: 8px;
}

.page-products .pp-board__switch label {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius-pill);
  color: var(--text-muted-on-ink);
  font-size: 0.86rem;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-products .pp-board__switch label:hover {
  color: var(--text-on-ink);
  border-color: var(--accent);
}

.page-products #pp-order-desc:checked ~ .pp-board__bar label[for="pp-order-desc"],
.page-products #pp-order-asc:checked ~ .pp-board__bar label[for="pp-order-asc"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.page-products .pp-board:has(.pp-board__toggle:focus-visible) .pp-board__switch label {
  outline: 2px solid var(--accent-soft);
  outline-offset: 2px;
}

.page-products .pp-vtable {
  display: block;
  width: 100%;
  margin-top: 20px;
  border-collapse: collapse;
}

.page-products .pp-vtable thead {
  display: block;
}

.page-products .pp-vtable tbody {
  display: flex;
  flex-direction: column;
}

.page-products .pp-vtable tr {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid var(--pp-rule-soft);
}

.page-products .pp-vtable thead tr {
  border-top: 0;
  padding: 0 0 10px;
}

.page-products .pp-vtable tbody tr:last-child {
  border-bottom: 1px solid var(--pp-rule-soft);
}

.page-products .pp-vtable th,
.page-products .pp-vtable td {
  display: block;
  padding: 0;
  text-align: left;
}

.page-products .pp-vtable th {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-products .pp-vtable td {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--pp-deep-text);
}

.page-products .pp-vcol-ver {
  flex: 0 0 84px;
  font-family: var(--font-mono);
  font-weight: 500;
}

.page-products .pp-vtable td.pp-vcol-ver {
  color: var(--accent-soft);
  letter-spacing: 0.06em;
}

.page-products .pp-vcol-when {
  flex: 0 0 128px;
  font-family: var(--font-mono);
}

.page-products .pp-vtable td.pp-vcol-when {
  color: var(--text-muted-on-ink);
}

.page-products .pp-vcol-what {
  flex: 1 1 auto;
  min-width: 0;
}

.page-products #pp-order-asc:checked ~ .pp-vtable tbody {
  flex-direction: column-reverse;
}

/* ============ 入口与设备 ============ */
.page-products .pp-steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pp-step {
  padding: 22px 20px 24px;
  border: 1px solid var(--pp-paper-rule);
  border-radius: var(--radius-lg);
  background: var(--pp-sheet);
  box-shadow: var(--shadow-paper);
}

.page-products .pp-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: var(--accent);
  font-size: 0.8rem;
}

.page-products .pp-step h3 {
  margin: 14px 0 8px;
  font-size: 1.16rem;
  color: var(--brown);
}

.page-products .pp-step p {
  margin: 0;
  color: var(--text-muted-on-paper);
  font-size: 0.97rem;
  line-height: 1.8;
}

.page-products .pp-entry__notes {
  display: grid;
  gap: 12px;
  margin-top: 26px;
  padding: 20px 22px;
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: var(--paper-soft);
}

.page-products .pp-entry__notes p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--text-on-paper);
}

.page-products .pp-entry__notes strong {
  color: var(--brown);
}

.page-products .pp-entry__notes a {
  color: var(--gold-deep);
  text-decoration-color: rgba(138, 101, 41, 0.4);
  text-underline-offset: 3px;
}

.page-products .pp-entry__notes a:hover {
  color: var(--accent);
}

/* ============ 适用场景 ============ */
.page-products .pp-scenes__art {
  margin: 0 0 28px;
  border: 1px solid var(--pp-rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .pp-scenes__art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 5;
  object-fit: cover;
}

.page-products .pp-scenes__grid {
  align-items: stretch;
}

.page-products .pp-scene {
  display: flex;
  flex-direction: column;
  padding: 24px 22px 22px;
}

.page-products .pp-scene .tag {
  align-self: flex-start;
  margin-bottom: 12px;
}

.page-products .pp-scene h3 {
  margin: 0 0 12px;
}

.page-products .pp-scene p {
  margin: 0 0 12px;
  color: var(--text-muted-on-paper);
  font-size: 0.96rem;
  line-height: 1.8;
}

.page-products .pp-scene__hint {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--pp-paper-rule);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted-on-paper);
}

.page-products .pp-scene__hint a {
  color: var(--accent);
  text-decoration: none;
}

.page-products .pp-scene__hint a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 使用支持 ============ */
.page-products .pp-support__grid {
  align-items: stretch;
}

.page-products .pp-support__item {
  display: block;
  padding: 22px 20px 24px;
  border: 1px solid var(--pp-paper-rule);
  border-radius: var(--radius-lg);
  background: var(--pp-sheet);
  color: var(--text-on-paper);
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-products .pp-support__item:hover,
.page-products .pp-support__item:focus-visible {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.page-products .pp-support__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: var(--radius-pill);
  background: var(--paper-soft);
  border: 1px solid var(--gold);
  color: var(--gold-deep);
  font-size: 0.8rem;
}

.page-products .pp-support__item h3 {
  margin: 14px 0 10px;
  font-size: 1.1rem;
  color: var(--brown);
}

.page-products .pp-support__item p {
  margin: 0;
  color: var(--text-muted-on-paper);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-products .pp-next {
  margin-top: 30px;
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  background: var(--ink);
}

.page-products .pp-next__text {
  margin: 0;
  color: var(--pp-deep-text);
  font-size: 0.96rem;
  line-height: 1.85;
}

.page-products .pp-next__text a {
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 137, 74, 0.4);
}

.page-products .pp-next__text a:hover {
  color: #fff;
  border-bottom-color: #fff;
}

/* ============ 响应式 ============ */
@media (min-width: 680px) {
  .page-products .pp-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-products .pp-entry__notes {
    padding: 22px 26px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero {
    padding-block: 34px 0;
  }

  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 48px;
    margin-top: 32px;
  }

  .page-products .pp-line {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: center;
    gap: 46px;
    padding-block: 38px;
  }

  .page-products .pp-line--flip .pp-line__body {
    order: 2;
  }

  .page-products .pp-line--flip .pp-line__media {
    order: 1;
  }

  .page-products .pp-line__media {
    max-width: 470px;
  }

  .page-products .pp-line--flip .pp-line__media {
    margin-left: auto;
  }

  .page-products .pp-lines,
  .page-products .pp-entry,
  .page-products .pp-support {
    padding-block: 72px;
  }

  .page-products .pp-versions,
  .page-products .pp-scenes {
    padding-block: 78px;
  }

  .page-products .pp-sec-head {
    margin-bottom: 40px;
  }

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

@media (max-width: 719px) {
  .page-products .pp-vtable thead {
    display: none;
  }

  .page-products .pp-vtable tbody tr {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 6px 12px;
    padding: 18px 0;
  }

  .page-products .pp-vcol-ver {
    grid-column: 1;
    flex: none;
  }

  .page-products .pp-vcol-when {
    grid-column: 2;
    flex: none;
    align-self: center;
  }

  .page-products .pp-vcol-what {
    grid-column: 1 / -1;
    flex: none;
    padding-top: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-quick a,
  .page-products .pp-rail__list a,
  .page-products .pp-board__switch label,
  .page-products .pp-support__item {
    transition: none;
  }

  .page-products .pp-support__item:hover,
  .page-products .pp-support__item:focus-visible {
    transform: none;
  }
}