.page-products {
  position: relative;
  overflow-x: hidden;
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(37, 87, 74, 0.26) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(37, 87, 74, 0.26) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  padding-bottom: 72px;
}

.page-products::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 560px;
  background: radial-gradient(115% 78% at 78% -12%, rgba(232, 145, 42, 0.20), transparent 62%);
  pointer-events: none;
  z-index: 0;
}

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

.page-products h1,
.page-products h2,
.page-products h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.015em;
  line-height: 1.16;
  color: var(--paper-2);
}

.page-products p {
  margin: 0;
}

.page-products a {
  color: var(--gold-hi);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 145, 42, 0.4);
}

.page-products a:hover {
  color: var(--paper-2);
  border-bottom-color: var(--gold-hi);
}

.page-products .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 页头 ---------- */
.page-products .ps-head {
  padding-top: 34px;
}

.page-products .ps-head .crumbs {
  margin-bottom: 18px;
}

.page-products .ps-head .eyebrow {
  margin: 0 0 14px;
}

.page-products .ps-head h1 {
  font-size: clamp(2rem, 5.4vw, 3.4rem);
  max-width: 18ch;
}

.page-products .ps-head__lead {
  margin-top: 20px;
  max-width: 62ch;
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--paper);
}

.page-products .ps-head__stats {
  list-style: none;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
}

.page-products .ps-head__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-products .ps-head__stats .stat__num {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  line-height: 1.1;
  color: var(--gold);
  letter-spacing: 0;
}

.page-products .ps-head__stats .stat__num em {
  font-style: normal;
  font-size: 0.62em;
  color: var(--gold-hi);
  margin-left: 2px;
}

.page-products .ps-head__stats .stat__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-products .ps-index {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .ps-index li {
  border-bottom: 1px solid var(--line);
}

.page-products .ps-index a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 2px;
  font-size: 0.95rem;
  color: var(--paper);
  border-bottom: 0;
}

.page-products .ps-index a:hover {
  color: var(--gold-hi);
}

.page-products .ps-index .mono {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--gold);
}

/* ---------- 通用区块 ---------- */
.page-products .ps-section {
  padding-block: 50px;
}

.page-products .tick-rule {
  height: 8px;
  border-top: 1px solid var(--line);
  background-image: repeating-linear-gradient(to right, var(--line) 0 1px, transparent 1px 24px);
  margin-bottom: 28px;
}

.page-products .ps-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-products .ps-main h2 {
  font-size: clamp(1.5rem, 3.4vw, 2.15rem);
  margin-bottom: 14px;
}

.page-products .ps-main > p {
  max-width: 68ch;
  font-size: 0.99rem;
  color: var(--paper);
}

.page-products .ps-note {
  align-self: start;
  border-left: 2px solid var(--ice);
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-products .ps-note a {
  color: var(--ice);
  border-bottom-color: rgba(111, 201, 232, 0.4);
}

.page-products .ps-note a:hover {
  color: var(--paper-2);
}

.page-products .ps-linkline {
  margin-top: 28px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}

/* ---------- 筛选与表格 ---------- */
.page-products .filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 16px;
}

.page-products .filter-btn {
  appearance: none;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 8px 14px;
  cursor: pointer;
  transition: color 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.page-products .filter-btn:hover,
.page-products .filter-btn.is-active {
  color: var(--ink);
  background: var(--gold);
  border-color: var(--gold);
}

.page-products .table-scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 3px 3px 0 0 rgba(37, 87, 74, 0.55);
}

.page-products .device-table,
.page-products .benefit-matrix {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .device-table {
  min-width: 700px;
}

.page-products .benefit-matrix {
  min-width: 620px;
}

.page-products .device-table th,
.page-products .device-table td,
.page-products .benefit-matrix th,
.page-products .benefit-matrix td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  color: var(--paper);
}

.page-products .device-table thead th,
.page-products .benefit-matrix thead th {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  border-bottom: 1px solid var(--gold);
  white-space: nowrap;
}

.page-products .device-table tbody th,
.page-products .benefit-matrix tbody th {
  font-weight: 500;
  color: var(--paper-2);
}

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

.page-products .device-table tbody tr:nth-child(odd),
.page-products .benefit-matrix tbody tr:nth-child(odd) {
  background: rgba(11, 31, 26, 0.55);
}

.page-products .cell-off {
  color: var(--muted);
}

.page-products .meter {
  display: block;
  position: relative;
  width: 100%;
  height: 5px;
  background: rgba(37, 87, 74, 0.85);
  margin-bottom: 8px;
}

.page-products .meter::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  background: var(--gold);
}

.page-products .meter--s::after { width: 34%; }
.page-products .meter--m::after { width: 68%; }
.page-products .meter--f::after { width: 100%; background: var(--gold-hi); }

/* ---------- 图片框 ---------- */
.page-products .ps-ios-media,
.page-products .ps-tv-media,
.page-products .ps-compare-media,
.page-products .ps-benefit-media,
.page-products .ps-verify-media {
  margin: 0;
}

.page-products .ps-tv-media,
.page-products .ps-compare-media,
.page-products .ps-benefit-media {
  margin-top: 30px;
}

.page-products .ps-verify-media {
  align-self: start;
}

.page-products .ps-compare-media .media-frame__cap,
.page-products .ps-benefit-media .media-frame__cap,
.page-products .ps-tv-media .media-frame__cap,
.page-products .ps-ios-media .media-frame__cap,
.page-products .ps-verify-media .media-frame__cap {
  letter-spacing: 0.08em;
}

/* ---------- iOS 步骤轨道 ---------- */
.page-products .specline {
  list-style: none;
  margin: 26px 0 30px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .specline li {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .specline__k {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-products .specline__v {
  font-size: 14.5px;
  color: var(--paper-2);
}

.page-products .specline__v.mono {
  font-family: var(--font-mono);
  color: var(--gold);
}

.page-products .ps-ios-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-products .track {
  border-top: 1px solid var(--line);
}

.page-products .track__step {
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.page-products .track__head {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 2px;
  cursor: pointer;
  list-style: none;
  color: var(--paper-2);
  transition: color 160ms ease;
}

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

.page-products .track__head:hover {
  color: var(--gold-hi);
}

.page-products .track__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 22px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0;
}

.page-products .track__title {
  font-family: var(--font-display);
  font-size: 1.14rem;
  letter-spacing: -0.01em;
}

.page-products .track__flag {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 3px 8px;
  white-space: nowrap;
}

.page-products .track__step[open] .track__flag {
  color: var(--gold-hi);
  border-color: var(--gold);
}

.page-products .track__body {
  padding: 0 2px 20px 54px;
}

.page-products .track__body p {
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
}

/* ---------- 大屏端要点 ---------- */
.page-products .tv-points {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-products .tv-points li {
  border-top: 1px solid var(--line);
  padding: 18px 0 20px;
}

.page-products .tv-points__tag {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--ice);
  margin-bottom: 8px;
}

.page-products .tv-points h3 {
  font-size: 1.08rem;
  margin-bottom: 8px;
}

.page-products .tv-points p:last-child {
  max-width: 56ch;
  font-size: 14.5px;
  color: var(--muted);
}

/* ---------- 版本对照 ---------- */
.page-products .compare {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: 26px;
  border: 1px solid var(--line);
}

.page-products .compare__col {
  padding: 20px 18px 22px;
  background: rgba(18, 49, 42, 0.65);
}

.page-products .compare__col--a {
  border-bottom: 1px solid var(--line);
  box-shadow: inset 3px 0 0 0 var(--gold);
}

.page-products .compare__col--b {
  box-shadow: inset 3px 0 0 0 var(--ice);
}

.page-products .compare__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.page-products .compare__side {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-products .compare__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .compare__col li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--paper);
}

.page-products .compare__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 8px;
  height: 1px;
  background: var(--muted);
}

/* ---------- 校验 ---------- */
.page-products .verify {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  margin-top: 28px;
  padding: 20px 16px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: 3px 3px 0 0 rgba(37, 87, 74, 0.55);
}

.page-products .verify__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-products .verify__input {
  width: 100%;
  max-width: 340px;
  background: var(--ink);
  border: 1px solid var(--line);
  color: var(--gold-hi);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
  padding: 10px 12px;
}

.page-products .verify__input:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: inset 0 0 0 1px var(--gold);
}

.page-products .verify__format {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ice);
  align-self: end;
}

.page-products .verify__hint {
  margin-top: 14px;
  max-width: 66ch;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .trouble-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 34px;
}

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

.page-products .trouble__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .trouble__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0;
  color: var(--gold);
  padding-top: 4px;
}

.page-products .trouble__body h3 {
  font-size: 1.06rem;
  margin-bottom: 6px;
}

.page-products .trouble__body p {
  max-width: 58ch;
  font-size: 14.5px;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .ps-index {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--line);
  }

  .page-products .ps-index li {
    border-bottom: 0;
    border-top: 1px solid transparent;
  }

  .page-products .ps-index li:nth-child(n + 3) {
    border-top: 1px solid var(--line);
  }

  .page-products .ps-index li:nth-child(odd) {
    border-right: 1px solid var(--line);
    padding-right: 16px;
  }

  .page-products .ps-index li:nth-child(even) {
    padding-left: 16px;
  }

  .page-products .tv-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 32px;
  }

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

  .page-products .compare__col--a {
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-products .verify {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    padding: 22px 20px;
  }
}

@media (min-width: 900px) {
  .page-products .ps-head {
    padding-top: 52px;
  }

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

  .page-products .ps-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .ps-index li:nth-child(n + 3) {
    border-top: 1px solid transparent;
  }

  .page-products .ps-index li:nth-child(n + 4) {
    border-top: 1px solid var(--line);
  }

  .page-products .ps-index li:nth-child(odd) {
    border-right: 0;
    padding-right: 0;
  }

  .page-products .ps-index li:nth-child(3n + 1),
  .page-products .ps-index li:nth-child(3n + 2) {
    border-right: 1px solid var(--line);
    padding-right: 16px;
  }

  .page-products .ps-index li:nth-child(3n + 2),
  .page-products .ps-index li:nth-child(3n) {
    padding-left: 16px;
  }

  .page-products .ps-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 3fr);
    gap: 42px;
  }

  .page-products .ps-section {
    padding-block: 62px;
  }

  .page-products .ps-ios-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 360px);
    gap: 46px;
    align-items: start;
  }

  .page-products .ps-ios-media .media-frame__img {
    max-height: 620px;
    object-fit: cover;
    object-position: top center;
  }

  .page-products .trouble-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    gap: 44px;
    align-items: start;
  }

  .page-products .tv-points {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 28px;
  }

  .page-products .tv-points li {
    padding-inline: 2px;
  }

  .page-products .ps-tv-media .media-frame__img,
  .page-products .ps-compare-media .media-frame__img {
    max-height: 420px;
  }

  .page-products .ps-benefit-media .media-frame__img {
    max-height: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .filter-btn,
  .page-products .track__head {
    transition: none;
  }
}
</