.page-products {
  background-color: var(--c-ink);
  color: var(--c-paper);
  font-family: var(--font-sans);
}

.page-products .shell {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */

.page-products .pf-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(18, 58, 47, .85), transparent 62%),
    var(--c-ink);
  border-bottom: 1px solid var(--c-line-faint);
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, var(--c-line-faint) 0 1px, transparent 1px 88px);
  opacity: .5;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}

.page-products .breadcrumbs {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
}

.page-products .pf-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-mint-2);
  margin: 0 0 .75rem;
}

.page-products .pf-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 8vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -.02em;
  margin: 0 0 1rem;
  max-width: 14ch;
}

.page-products .pf-hero__lead {
  max-width: 52ch;
  margin: 0 0 1.5rem;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(247, 244, 236, .86);
}

.page-products .pf-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

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

.page-products .pf-stat {
  background: var(--c-ink-2);
  padding: .85rem .9rem;
  display: flex;
  flex-direction: column;
  gap: .2rem;
}

.page-products .pf-stat__num {
  font-family: var(--font-mono);
  font-size: 1.375rem;
  font-weight: 500;
  letter-spacing: -.01em;
  color: var(--c-mint);
  line-height: 1.1;
}

.page-products .pf-stat__num em {
  font-style: normal;
  font-size: .625rem;
  letter-spacing: .08em;
  color: var(--c-muted);
  margin-left: .25rem;
}

.page-products .pf-stat__label {
  font-size: .75rem;
  line-height: 1.5;
  color: var(--c-muted);
}

@media (min-width: 900px) {
  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1fr) 272px;
    align-items: end;
  }
  .page-products .pf-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 规格区与左侧索引 ---------- */

.page-products .pf-spec {
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(2rem, 5vw, 3.5rem);
}

.page-products .pf-rail {
  border-bottom: 1px solid var(--c-line-faint);
  padding-bottom: .75rem;
  margin-bottom: 1.25rem;
}

.page-products .pf-rail__title {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-muted);
  margin: 0 0 .55rem;
}

.page-products .pf-rail__list {
  list-style: none;
  margin: 0;
  padding: 0 0 .3rem;
  display: flex;
  gap: .4rem;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-products .pf-rail__link {
  display: inline-flex;
  align-items: baseline;
  gap: .35rem;
  white-space: nowrap;
  padding: .32rem .6rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: .8125rem;
  color: var(--c-muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .pf-rail__link:hover,
.page-products .pf-rail__link:focus-visible {
  color: var(--c-paper);
  border-color: var(--c-line);
}

.page-products .pf-rail__link[aria-current="true"] {
  color: var(--c-mint);
  border-color: var(--c-line);
  background: rgba(107, 255, 196, .06);
}

.page-products .pf-rail__num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--c-mint-2);
}

@media (min-width: 1024px) {
  .page-products .pf-spec__inner {
    display: grid;
    grid-template-columns: 186px minmax(0, 1fr);
    gap: clamp(1.75rem, 4vw, 3.5rem);
    align-items: start;
  }
  .page-products .pf-rail {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
    border-bottom: 0;
    border-left: 1px solid var(--c-line-faint);
    padding: 0 0 0 1rem;
    margin-bottom: 0;
  }
  .page-products .pf-rail__list {
    flex-direction: column;
    gap: .1rem;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-products .pf-rail__link {
    white-space: normal;
    width: 100%;
    padding: .45rem .55rem;
  }
}

/* ---------- 功能模块 ---------- */

.page-products .pf-mod {
  padding-block: clamp(1.75rem, 4.5vw, 3rem);
  border-top: 1px solid var(--c-line-faint);
  scroll-margin-top: calc(var(--header-h) + 1.5rem);
}

.page-products .pf-mod:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pf-mod__head {
  display: flex;
  align-items: flex-start;
  gap: .85rem;
  margin-bottom: 1.25rem;
}

.page-products .pf-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--c-mint);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  padding: .25rem .45rem;
  line-height: 1;
}

.page-products .pf-mod__head .eyebrow {
  margin-bottom: .35rem;
  font-size: 10px;
}

.page-products .pf-mod__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.3rem, 4vw, 1.95rem);
  line-height: 1.18;
  letter-spacing: -.01em;
  margin: 0;
}

.page-products .pf-mod__grid {
  display: grid;
  gap: 1.25rem;
}

.page-products .pf-text p {
  margin: 0 0 .95rem;
  font-size: .9375rem;
  line-height: 1.8;
  color: rgba(247, 244, 236, .86);
}

.page-products .pf-text p:last-child {
  margin-bottom: 0;
}

.page-products .pf-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}

.page-products .pf-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .875rem;
  line-height: 1.65;
  color: rgba(247, 244, 236, .78);
}

.page-products .pf-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  background: var(--c-mint-2);
}

@media (min-width: 820px) {
  .page-products .pf-text p {
    font-size: 1rem;
  }
  .page-products .pf-mod__grid--media {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
    gap: 2rem;
    align-items: start;
  }
}

/* ---------- 图片 ---------- */

.page-products .pf-figure {
  margin: 0;
  border: 1px solid var(--c-line-faint);
  border-radius: var(--radius);
  background: var(--c-ink-2);
  overflow: hidden;
  box-shadow: var(--shadow-1);
}

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

.page-products .pf-figure figcaption {
  padding: .7rem .9rem;
  border-top: 1px solid var(--c-line-faint);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--c-muted);
}

.page-products .pf-figure--phone {
  max-width: 380px;
}

.page-products .pf-figure--wide {
  margin-top: 1.25rem;
}

/* ---------- 切换组件 ---------- */

.page-products .pf-switch {
  margin-top: 1.35rem;
}

.page-products .pf-switch__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  clip-path: inset(50%);
}

.page-products .pf-switch__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: .75rem;
}

.page-products .pf-switch__tabs label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  padding: .4rem .7rem;
  border: 1px solid var(--c-line-faint);
  border-radius: var(--radius);
  color: var(--c-muted);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-products .pf-switch__tabs label:hover {
  color: var(--c-paper);
  border-color: var(--c-line);
}

.page-products #pf-ver-new:checked ~ .pf-switch__tabs label[for="pf-ver-new"],
.page-products #pf-ver-old:checked ~ .pf-switch__tabs label[for="pf-ver-old"],
.page-products #pf-pal-night:checked ~ .pf-switch__tabs label[for="pf-pal-night"],
.page-products #pf-pal-paper:checked ~ .pf-switch__tabs label[for="pf-pal-paper"] {
  color: var(--c-ink);
  background: var(--c-mint);
  border-color: var(--c-mint);
}

.page-products .pf-switch__pane {
  display: none;
}

.page-products #pf-ver-new:checked ~ .pf-switch__panes > .pf-switch__pane:nth-child(1),
.page-products #pf-ver-old:checked ~ .pf-switch__panes > .pf-switch__pane:nth-child(2),
.page-products #pf-pal-night:checked ~ .pf-switch__panes > .pf-switch__pane:nth-child(1),
.page-products #pf-pal-paper:checked ~ .pf-switch__panes > .pf-switch__pane:nth-child(2) {
  display: block;
}

.page-products .pf-switch__note {
  margin: 0;
  padding: .9rem 1rem;
  border: 1px dashed var(--c-line);
  border-radius: var(--radius);
  font-size: .875rem;
  line-height: 1.7;
  color: rgba(247, 244, 236, .8);
}

.page-products .pf-boxes {
  display: grid;
  gap: .4rem;
}

.page-products .pf-box {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem;
  padding: .55rem .75rem;
  background: var(--c-ink-3);
  border-left: 2px solid var(--c-line);
  border-radius: var(--radius);
}

.page-products .pf-box__pos {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-mint-2);
  min-width: 2.4em;
}

.page-products .pf-box__val {
  font-size: .8125rem;
  line-height: 1.5;
  color: rgba(247, 244, 236, .88);
}

.page-products .pf-box__val--change {
  color: var(--c-orange);
}

@media (min-width: 560px) {
  .page-products .pf-boxes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 色板 ---------- */

.page-products .pf-swatches {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .4rem;
}

.page-products .pf-swatch {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .5rem .65rem;
  background: var(--c-ink-2);
  border: 1px solid var(--c-line-faint);
  border-radius: var(--radius);
}

.page-products .pf-swatch__chip {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: var(--radius);
  border: 1px solid rgba(247, 244, 236, .18);
}

.page-products .pf-swatch__name {
  display: block;
  font-size: .8125rem;
  line-height: 1.35;
  color: var(--c-paper);
}

.page-products .pf-swatch__use {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .02em;
  line-height: 1.4;
  color: var(--c-muted);
}

@media (min-width: 560px) {
  .page-products .pf-swatches {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 折叠说明 ---------- */

.page-products .pf-details {
  margin-top: 1.25rem;
  border: 1px solid var(--c-line-faint);
  border-radius: var(--radius);
  background: var(--c-ink-2);
}

.page-products .pf-details summary {
  position: relative;
  cursor: pointer;
  list-style: none;
  padding: .85rem 2.6rem .85rem 1rem;
  font-size: .875rem;
  font-weight: 500;
  color: var(--c-paper);
}

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

.page-products .pf-details summary::after {
  content: "+";
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-mint-2);
}

.page-products .pf-details[open] summary::after {
  content: "−";
}

.page-products .pf-details__body {
  padding: 0 1rem 1rem;
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(247, 244, 236, .8);
}

.page-products .pf-details__body p {
  margin: 0;
}

/* ---------- 场景 ---------- */

.page-products .pf-scenes {
  display: grid;
  gap: .75rem;
  margin-top: 1.25rem;
}

.page-products .pf-scene {
  padding: 1rem;
  border: 1px solid var(--c-line-faint);
  border-top: 2px solid var(--c-mint-2);
  border-radius: var(--radius);
  background: var(--c-ink-2);
}

.page-products .pf-scene__tag {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-mint);
}

.page-products .pf-scene h3 {
  margin: 0 0 .5rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-products .pf-scene p {
  margin: 0 0 .6rem;
  font-size: .8125rem;
  line-height: 1.7;
  color: rgba(247, 244, 236, .8);
}

.page-products .pf-scene__path {
  margin: 0 !important;
  padding-top: .6rem;
  border-top: 1px solid var(--c-line-faint);
  font-family: var(--font-mono);
  font-size: 10px !important;
  letter-spacing: .02em;
  color: var(--c-muted) !important;
}

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

/* ---------- 功能清单表格 ---------- */

.page-products .pf-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--c-cream-2);
  border-radius: var(--radius);
  background: var(--c-paper);
}

.page-products .pf-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-family: var(--font-sans);
  font-size: .875rem;
  color: var(--c-ink);
}

.page-products .pf-table thead th {
  background: var(--c-ink-3);
  color: var(--c-cream);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
  text-align: left;
  padding: .7rem .9rem;
}

.page-products .pf-table tbody th,
.page-products .pf-table tbody td {
  padding: .8rem .9rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid rgba(46, 91, 76, .18);
  line-height: 1.6;
}

.page-products .pf-table tbody th {
  font-weight: 700;
  color: var(--c-ink-3);
  white-space: nowrap;
}

.page-products .pf-table tbody tr:nth-child(even) {
  background: rgba(232, 221, 200, .5);
}

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

.page-products .pf-table tbody tr.is-diff {
  box-shadow: inset 3px 0 0 var(--c-orange);
}

.page-products .pf-table a {
  color: var(--c-ink-3);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 500;
}

.page-products .pf-table a:hover {
  color: var(--c-mint-2);
}

.page-products .pf-table-note {
  margin: .75rem 0 0;
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--c-muted);
}

/* ---------- 结尾引导 ---------- */

.page-products .pf-cta {
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--c-line-faint);
}

.page-products .pf-cta__box {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.25rem, 4vw, 2rem);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(63, 207, 154, .1), transparent 55%),
    var(--c-ink-2);
}

.page-products .pf-cta__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.2rem, 4vw, 1.7rem);
  line-height: 1.25;
  letter-spacing: -.01em;
  margin: 0 0 .6rem;
}

.page-products .pf-cta__text {
  margin: 0;
  max-width: 56ch;
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(247, 244, 236, .82);
}

.page-products .pf-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  align-items: flex-start;
}

@media (min-width: 820px) {
  .page-products .pf-cta__box {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2rem;
  }
  .page-products .pf-cta__actions {
    flex-direction: column;
  }
}