.page-products .pr-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(18px, 3.5vw, 40px) 0 clamp(34px, 5vw, 66px);
}

.page-products .pr-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -26%;
  width: min(78vw, 820px);
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(circle at 32% 32%, rgba(255, 106, 43, 0.30), transparent 62%),
    radial-gradient(circle at 72% 70%, rgba(182, 255, 59, 0.14), transparent 60%);
  transform: rotate(-9deg);
  z-index: -1;
  pointer-events: none;
}

.page-products .pr-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 46px);
  align-items: center;
}

.page-products .pr-hero__copy .breadcrumb {
  margin-bottom: 18px;
}

.page-products .pr-hero h1 {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(36px, 7vw, 68px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--white);
  text-wrap: balance;
}

.page-products .pr-hero__lede {
  max-width: 56ch;
  margin: 0 0 24px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .pr-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 26px;
}

.page-products .pr-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 0;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  color: var(--mist);
}

.page-products .pr-hero__stats .mono {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--volt);
  letter-spacing: -0.01em;
}

.page-products .pr-hero__media {
  margin: 0;
  padding: 12px;
  border-radius: var(--r-lg);
  background: linear-gradient(155deg, var(--panel), var(--ink-deep));
  border: 1px solid var(--line);
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.85);
}

.page-products .pr-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--r-lg) - 12px);
  object-fit: cover;
}

.page-products .pr-hero__media figcaption {
  margin-top: 12px;
  padding: 0 4px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pr-head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .pr-head h2 {
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-products .pr-head__lede {
  max-width: 68ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* 服务索引 */
.page-products .pr-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .pr-chip {
  display: inline-block;
  padding: 8px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(19, 52, 92, 0.42);
  color: var(--white);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.page-products .pr-chip:hover,
.page-products .pr-chip:focus-visible {
  border-color: var(--signal);
  background: rgba(255, 106, 43, 0.14);
  color: var(--signal);
}

.page-products .pr-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: linear-gradient(160deg, rgba(19, 52, 92, 0.92), rgba(7, 16, 31, 0.96));
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.page-products .pr-card::after {
  content: "";
  position: absolute;
  inset: auto 20px 0 20px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--signal), transparent 72%);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.page-products .pr-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}

.page-products .pr-card:hover::after {
  opacity: 1;
}

.page-products .pr-card__no {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-products .pr-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
  color: var(--white);
}

.page-products .pr-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pr-card__tag {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  color: var(--volt);
}

/* 双版本并排 */
.page-products .pr-compare {
  border-top: 1px solid var(--line-soft);
}

.page-products .pr-fields {
  position: sticky;
  top: calc(var(--header-h) + 8px);
  z-index: 4;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  padding: 10px 12px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(7, 16, 31, 0.92);
  backdrop-filter: blur(8px);
}

.page-products .pr-field {
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: rgba(182, 255, 59, 0.12);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--volt);
}

.page-products .pr-versions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .pr-version {
  display: flex;
  flex-direction: column;
  padding: 18px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
}

.page-products .pr-version--alt {
  border-color: rgba(255, 106, 43, 0.42);
  background: linear-gradient(155deg, rgba(255, 106, 43, 0.10), rgba(19, 52, 92, 0.72));
}

.page-products .pr-version__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pr-version__head h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 19px;
  color: var(--white);
}

.page-products .pr-version__body {
  max-height: 320px;
  overflow-y: auto;
  padding-right: 6px;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}

.page-products .pr-version__body:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
  border-radius: 8px;
}

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

.page-products .pr-rows > div {
  display: grid;
  gap: 4px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-products .pr-rows > div:last-child {
  border-bottom: 0;
}

.page-products .pr-rows dt {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--signal);
}

.page-products .pr-rows dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--white);
}

.page-products .pr-compare__media {
  margin: 18px 0 0;
  padding: 10px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(19, 52, 92, 0.36);
}

.page-products .pr-compare__media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--r-md) - 8px);
  object-fit: cover;
}

.page-products .pr-compare__media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--mist);
}

/* 轮次与时间线 */
.page-products .pr-rounds {
  border-top: 1px solid var(--line-soft);
}

.page-products .pr-rounds__inner {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-products .pr-rounds__copy h2 {
  margin: 8px 0 16px;
  font-family: var(--font-display);
  font-size: clamp(26px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--white);
}

.page-products .pr-rounds__copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-products .pr-rounds__copy .btn {
  margin-top: 8px;
}

.page-products .pr-rounds__media {
  margin: 0 0 20px;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line-soft);
}

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

.page-products .pr-timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--volt), var(--line-soft));
}

.page-products .pr-timeline__item {
  position: relative;
  padding: 0 0 20px 32px;
}

.page-products .pr-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink-deep);
  border: 2px solid var(--volt);
}

.page-products .pr-timeline__item.is-current::before {
  border-color: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, 0.18);
}

.page-products .pr-timeline__when {
  margin: 0 0 4px;
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--volt);
}

.page-products .pr-timeline__item.is-current .pr-timeline__when {
  color: var(--signal);
}

.page-products .pr-timeline__what {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--white);
}

/* iOS 导出 */
.page-products .pr-export {
  border-top: 1px solid var(--line-soft);
}

.page-products .pr-export__grid {
  display: grid;
  gap: clamp(22px, 4vw, 42px);
}

.page-products .pr-steps {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-step {
  position: relative;
  padding: 20px 20px 20px 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--signal);
  background: rgba(19, 52, 92, 0.44);
}

.page-products .pr-step__no {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-products .pr-step h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--white);
}

.page-products .pr-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pr-export__media {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .pr-export__media figure {
  margin: 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: rgba(19, 52, 92, 0.36);
}

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

.page-products .pr-export__mini {
  padding: 10px;
}

.page-products .pr-export__mini figcaption {
  margin-top: 8px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--volt);
  text-align: center;
}

.page-products .pr-export__hint {
  margin: 24px 0 0;
  padding: 14px 18px;
  border-radius: var(--r-pill);
  border: 1px dashed var(--line);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-products .pr-export__hint a {
  margin-left: 6px;
  color: var(--signal);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

/* 服务对照表 */
.page-products .pr-table-sec {
  border-top: 1px solid var(--line-soft);
}

.page-products .pr-table-wrap {
  overflow-x: auto;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: rgba(7, 16, 31, 0.62);
}

.page-products .pr-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .pr-table__cap {
  padding: 16px 16px 0;
  text-align: left;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--mist);
  caption-side: top;
}

.page-products .pr-table thead th {
  padding: 14px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--volt);
  background: rgba(19, 52, 92, 0.66);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .pr-table tbody th {
  padding: 14px 16px;
  text-align: left;
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  white-space: nowrap;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pr-table tbody td {
  padding: 14px 16px;
  line-height: 1.65;
  color: var(--mist);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pr-table tbody tr:last-child th,
.page-products .pr-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-products .pr-table tbody tr:hover th,
.page-products .pr-table tbody tr:hover td {
  background: rgba(255, 106, 43, 0.06);
}

/* 场景与开始 */
.page-products .pr-scenes {
  border-top: 1px solid var(--line-soft);
}

.page-products .pr-scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0 0 clamp(26px, 4vw, 44px);
  padding: 0;
  list-style: none;
}

.page-products .pr-scene {
  padding: 20px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(19, 52, 92, 0.5), rgba(7, 16, 31, 0.7));
}

.page-products .pr-scene h3 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--signal);
}

.page-products .pr-scene p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .pr-start {
  padding: clamp(20px, 3.5vw, 34px);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--paper-ink);
}

.page-products .pr-start .eyebrow {
  color: var(--ember);
}

.page-products .pr-start h3 {
  margin: 8px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.16;
  color: var(--paper-ink);
}

.page-products .pr-start__list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-start__list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding-top: 16px;
  border-top: 1px solid rgba(36, 26, 20, 0.16);
}

.page-products .pr-start__list li:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-products .pr-start__no {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--signal);
  color: var(--ink);
  font-size: 14px;
  font-weight: 700;
}

.page-products .pr-start__list h4 {
  margin: 4px 0 6px;
  font-size: 16px;
  color: var(--paper-ink);
}

.page-products .pr-start__list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(36, 26, 20, 0.82);
}

.page-products .pr-more {
  margin-top: clamp(24px, 3.5vw, 40px);
}

.page-products .pr-more h3 {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 19px;
  color: var(--white);
}

.page-products .pr-more__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pr-more__list a {
  display: block;
  padding: 14px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: rgba(19, 52, 92, 0.38);
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.page-products .pr-more__list a:hover,
.page-products .pr-more__list a:focus-visible {
  border-color: var(--signal);
  background: rgba(255, 106, 43, 0.14);
  transform: translateX(3px);
}

@media (min-width: 640px) {
  .page-products .pr-cards {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pr-scene-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pr-more__list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .pr-hero__inner {
    grid-template-columns: 1.04fr 0.96fr;
    align-items: center;
  }

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

  .page-products .pr-rounds__inner {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: start;
  }

  .page-products .pr-export__grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

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

@media (min-width: 1080px) {
  .page-products .pr-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .pr-hero__stats {
    gap: 10px 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pr-card,
  .page-products .pr-more__list a,
  .page-products .pr-chip {
    transition: opacity 0.2s ease;
  }

  .page-products .pr-card:hover,
  .page-products .pr-more__list a:hover {
    transform: none;
  }
}
<<<END>>>