.page-products {
  --pr-hair: rgba(5, 25, 43, .1);
}

.page-products a:focus-visible,
.page-products .pr-switch__label:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-products .media {
  margin: 0;
}

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

/* ---------- 首屏 ---------- */
.page-products .pr-hero {
  padding-block: 20px 44px;
}

.page-products .pr-hero__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-products .pr-hero .display-title {
  margin: 12px 0 16px;
  font-size: clamp(32px, 8vw, 60px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--sea);
}

.page-products .pr-hero .lede {
  max-width: 42rem;
  color: var(--sea-soft);
}

.page-products .pr-hero__facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--mist);
  border: 1px solid var(--mist);
}

.page-products .pr-hero__facts > li {
  background: var(--paper-2);
  padding: 16px 18px;
}

.page-products .pr-num {
  display: block;
  font-size: clamp(28px, 6vw, 36px);
  line-height: 1.05;
  font-weight: 800;
  color: var(--sea);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}

.page-products .pr-num__unit {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--pitch);
}

.page-products .pr-num__note {
  display: block;
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--slate);
}

.page-products .pr-hero__aside {
  display: none;
}

/* ---------- 章节头 ---------- */
.page-products .pr-head {
  max-width: 52rem;
  margin-bottom: 26px;
}

.page-products .pr-head .annotation {
  color: var(--slate);
}

.page-products .pr-head .title {
  margin: 8px 0 10px;
  color: var(--sea);
}

.page-products .pr-head__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--sea-soft);
}

/* ---------- 对照卡 ---------- */
.page-products .pr-compare__media {
  margin-bottom: 22px;
  border: 1px solid var(--mist);
  box-shadow: var(--shadow);
}

.page-products .pr-switch {
  display: flex;
  justify-content: flex-end;
  margin: 0 0 12px;
}

.page-products .pr-switch__label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--mist);
  border-radius: 999px;
  background: var(--paper-2);
  font-size: 14px;
  color: var(--sea);
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pr-switch__label::before {
  content: "";
  width: 10px;
  height: 10px;
  border: 1px solid var(--slate);
  border-radius: 50%;
  background: transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .pr-switch__label:hover {
  border-color: var(--tide);
}

.page-products .pr-switch__input:checked + .pr-switch__label {
  background: var(--amber);
  border-color: var(--orange);
}

.page-products .pr-switch__input:checked + .pr-switch__label::before {
  background: var(--orange);
  border-color: var(--orange);
}

.page-products .pr-switch:has(.pr-switch__input:focus-visible) .pr-switch__label {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-products .pr-table {
  border-top: 2px solid var(--sea);
  background: var(--paper-2);
}

.page-products .pr-table__head {
  display: none;
}

.page-products .pr-row {
  display: grid;
  gap: 10px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--mist);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-products .pr-row.is-diff {
  box-shadow: inset 3px 0 0 var(--orange);
}

.page-products .pr-row:hover {
  background: var(--paper-3);
}

.page-products .pr-cell {
  font-size: 15px;
  line-height: 1.72;
  color: var(--sea-soft);
}

.page-products .pr-cell::before {
  content: attr(data-label);
  display: block;
  margin-bottom: 3px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--slate);
}

.page-products .pr-cell--key {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--sea);
  letter-spacing: .02em;
}

.page-products .pr-cell--key::before {
  content: none;
}

.page-products .pr-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
}

.page-products .pr-switch:has(.pr-switch__input:checked) ~ .pr-table .pr-row:not(.is-diff) {
  display: none;
}

/* ---------- 分栏 ---------- */
.page-products .pr-split {
  display: grid;
  gap: 30px;
}

.page-products .pr-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--mist);
}

.page-products .pr-list li {
  position: relative;
  padding: 16px 0 16px 44px;
  border-bottom: 1px solid var(--mist);
}

.page-products .pr-list__num {
  position: absolute;
  left: 0;
  top: 18px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  color: var(--tide);
  font-variant-numeric: tabular-nums;
}

.page-products .pr-list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
  color: var(--sea);
}

.page-products .pr-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--sea-soft);
}

.page-products .pr-facts {
  border: 1px solid var(--mist);
  background: var(--paper-2);
  box-shadow: var(--shadow);
}

.page-products .pr-facts__title {
  margin: 0;
  padding: 14px 18px;
  background: var(--sea);
  color: var(--paper);
  font-size: 12px;
  letter-spacing: .2em;
}

.page-products .pr-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--mist);
  font-size: 14px;
  color: var(--sea-soft);
}

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

.page-products .pr-facts__val {
  font-size: 20px;
  font-weight: 800;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

/* ---------- 小屏方案 ---------- */
.page-products .pr-mobile__media {
  border: 1px solid var(--mist);
  box-shadow: var(--shadow);
  max-width: 420px;
}

.page-products .pr-mobile__lede {
  margin: 0;
  max-width: 40rem;
  font-size: 16px;
  line-height: 1.8;
  color: var(--sea-soft);
}

.page-products .pr-mobile__strip {
  margin-top: 26px;
  border: 1px solid var(--mist);
  box-shadow: var(--shadow);
}

/* ---------- 场景 ---------- */
.page-products .pr-scenes {
  display: grid;
  gap: 1px;
  background: var(--mist);
  border: 1px solid var(--mist);
}

.page-products .pr-scene {
  background: var(--paper-2);
  padding: 22px 20px;
  display: grid;
  gap: 10px;
  align-content: start;
  transition: background var(--dur) var(--ease);
}

.page-products .pr-scene:hover {
  background: var(--paper-3);
}

.page-products .pr-scene__pick {
  margin: 0;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--pitch);
}

.page-products .pr-scene h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.35;
  color: var(--sea);
}

.page-products .pr-scene p:last-child {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sea-soft);
}

.page-products .pr-choose__media {
  margin-top: 30px;
  border: 1px solid var(--mist);
  box-shadow: var(--shadow);
}

/* ---------- 费用说明（深色段） ---------- */
.page-products .pr-billing {
  background: var(--ink);
  color: var(--paper);
}

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

.page-products .pr-billing .annotation {
  color: var(--sprout);
}

.page-products .pr-billing .title {
  color: var(--paper);
}

.page-products .pr-billing__lede {
  margin: 0;
  max-width: 46rem;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 242, 234, .82);
}

.page-products .pr-steps {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: rgba(245, 242, 234, .16);
  border: 1px solid rgba(245, 242, 234, .16);
}

.page-products .pr-step {
  background: var(--sea);
  padding: 20px 18px;
}

.page-products .pr-step__num {
  display: block;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-products .pr-step h3 {
  margin: 9px 0 6px;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .pr-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(245, 242, 234, .78);
}

.page-products .pr-billing__links {
  margin: 24px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(245, 242, 234, .85);
}

.page-products .pr-billing__links a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收藏节奏 ---------- */
.page-products .pr-rhythm__card {
  display: grid;
  gap: 26px;
  padding-top: 6px;
}

.page-products .pr-rhythm__media {
  border: 1px solid var(--mist);
  box-shadow: var(--shadow);
}

.page-products .pr-rhythm .annotation {
  color: var(--slate);
}

.page-products .pr-rhythm .title {
  margin: 8px 0 12px;
  color: var(--sea);
}

.page-products .pr-rhythm__text {
  margin: 0;
  max-width: 42rem;
  font-size: 16px;
  line-height: 1.85;
  color: var(--sea-soft);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pr-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pr-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-products .pr-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-products .pr-table__head {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.5fr) minmax(0, 1.5fr);
    position: sticky;
    top: 0;
    z-index: 3;
    background: var(--sea);
    color: var(--paper);
  }

  .page-products .pr-table__head span {
    padding: 13px 16px;
    font-size: 12px;
    letter-spacing: .2em;
  }

  .page-products .pr-table__head span:first-child {
    padding-left: 20px;
  }

  .page-products .pr-row {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.5fr) minmax(0, 1.5fr);
    gap: 0;
    padding: 0;
    align-items: stretch;
  }

  .page-products .pr-cell {
    padding: 18px 16px;
  }

  .page-products .pr-cell::before {
    content: none;
  }

  .page-products .pr-cell--key {
    padding-left: 20px;
    align-items: flex-start;
  }

  .page-products .pr-row.is-diff {
    box-shadow: inset 3px 0 0 var(--orange);
  }
}

@media (min-width: 900px) {
  .page-products .pr-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
    gap: 56px;
    align-items: start;
  }

  .page-products .pr-split--flip {
    grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
  }

  .page-products .pr-facts {
    position: sticky;
    top: 104px;
  }

  .page-products .pr-rhythm__card {
    grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
    gap: 48px;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-products .pr-hero__grid {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 56px;
  }

  .page-products .pr-hero__aside {
    display: grid;
    grid-template-columns: 22px minmax(0, 1fr);
    gap: 14px;
    position: sticky;
    top: 104px;
  }

  .page-products .pr-hero__aside .annotation {
    color: var(--slate);
    margin: 2px 0 0;
  }

  .page-products .pr-index .rail__link {
    display: block;
    padding: 9px 0;
    border-bottom: 1px solid var(--mist);
    font-size: 13px;
    letter-spacing: .04em;
    color: var(--sea);
    text-decoration: none;
    transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
  }

  .page-products .pr-index .rail__link:hover {
    color: var(--tide);
    padding-left: 6px;
  }
}
<<<END>>>