.page-products {
  --p-gap: 14px;
  --p-panel-bg: rgba(7, 6, 15, .58);
  --p-line-soft: rgba(58, 46, 92, .6);
}

/* ---------- 首屏框景 ---------- */
.page-products .p-hero {
  padding: 24px 0 0;
}

.page-products .breadcrumb {
  margin-bottom: 18px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-products .p-hero__frame {
  position: relative;
  padding: 34px 20px 38px;
  border: 1px solid var(--line);
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(177, 75, 255, .18), transparent 62%),
    radial-gradient(90% 80% at 96% 100%, rgba(34, 230, 216, .14), transparent 66%),
    linear-gradient(180deg, rgba(15, 27, 46, .92), rgba(7, 6, 15, .96));
}

.page-products .p-hero__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(232, 236, 245, .05) 0 1px, transparent 1px 3px);
  opacity: .55;
}

.page-products .p-hero__title {
  margin: 10px 0 16px;
  color: var(--text);
  text-shadow: 0 0 1px rgba(177, 75, 255, .95), 0 0 26px rgba(177, 75, 255, .38);
  max-width: 20ch;
}

.page-products .p-hero__lede {
  max-width: 60ch;
  color: var(--muted);
}

.page-products .p-hero__ticks {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 16px;
}

.page-products .p-hero__ticks li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  border-left: 3px solid var(--violet);
  background: rgba(7, 6, 15, .55);
  font-size: 13px;
  color: var(--muted);
}

.page-products .p-hero__ticks .mono {
  font-size: 18px;
  color: var(--yellow);
  letter-spacing: .04em;
}

/* ---------- 快捷定位条 ---------- */
.page-products .quick-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 14px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-top: 0;
  background: rgba(27, 15, 46, .9);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-products .quick-bar__label {
  color: var(--yellow);
  letter-spacing: .12em;
}

.page-products .quick-bar a {
  color: var(--muted);
  text-decoration: none;
  padding: 2px 0;
  border-bottom: 1px solid transparent;
  transition: color .18s, border-color .18s;
}

.page-products .quick-bar a:hover,
.page-products .quick-bar a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 章节头 ---------- */
.page-products .p-sec-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  align-items: baseline;
  margin-bottom: 26px;
}

.page-products .p-sec-head__no {
  grid-row: 1;
  font-size: 24px;
  color: var(--yellow);
  letter-spacing: .1em;
  line-height: 1.1;
}

.page-products .p-sec-head h2 {
  grid-row: 1;
  margin: 0;
  color: var(--text);
}

.page-products .p-sec-head p {
  grid-column: 1 / -1;
  margin: 6px 0 0;
  max-width: 64ch;
  color: var(--muted);
  font-size: 15px;
}

/* ---------- 分区底色 ---------- */
.page-products .p-devices {
  background: var(--band-deep);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .p-ranks {
  background: var(--band-indigo);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .p-rollback {
  background: var(--band-wine);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ---------- 设备选择 ---------- */
.page-products .p-device-map {
  margin: 0 0 26px;
  max-width: 100%;
}

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

.page-products .media-frame__label {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.page-products .device-switch {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-products .device-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .device-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-products .device-radio:focus-visible ~ .device-rail {
  outline: 2px dashed var(--cyan);
  outline-offset: 4px;
}

.page-products .device-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex: 0 0 auto;
  min-width: 158px;
  padding: 12px 14px 12px 18px;
  border: 1px solid var(--line);
  background: rgba(7, 6, 15, .62);
  cursor: pointer;
  transition: border-color .2s, background .2s, box-shadow .2s;
}

.page-products .device-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--line);
  transition: width .2s, background .2s;
}

.page-products .device-card__idx {
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--muted);
}

.page-products .device-card__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-products .device-card__hint {
  font-size: 12px;
  color: var(--muted);
}

.page-products #dev-phone:checked ~ .device-rail .device-card--phone,
.page-products #dev-pad:checked ~ .device-rail .device-card--pad,
.page-products #dev-tv:checked ~ .device-rail .device-card--tv,
.page-products #dev-emu:checked ~ .device-rail .device-card--emu {
  border-color: var(--violet);
  background: rgba(177, 75, 255, .16);
  box-shadow: var(--glow-violet);
}

.page-products #dev-phone:checked ~ .device-rail .device-card--phone::before,
.page-products #dev-pad:checked ~ .device-rail .device-card--pad::before,
.page-products #dev-tv:checked ~ .device-rail .device-card--tv::before,
.page-products #dev-emu:checked ~ .device-rail .device-card--emu::before {
  width: 7px;
  background: var(--violet);
}

.page-products .device-panels {
  min-width: 0;
}

.page-products .device-panel {
  display: none;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  background: var(--p-panel-bg);
}

.page-products #dev-phone:checked ~ .device-panels .device-panel--phone,
.page-products #dev-pad:checked ~ .device-panels .device-panel--pad,
.page-products #dev-tv:checked ~ .device-panels .device-panel--tv,
.page-products #dev-emu:checked ~ .device-panels .device-panel--emu {
  display: block;
}

.page-products .device-panel h3 {
  margin: 0 0 12px;
  color: var(--cyan);
}

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

.page-products .device-panel__list li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 14px;
  color: var(--text);
  line-height: 1.7;
}

.page-products .device-panel__list .mono {
  font-size: 12px;
  color: var(--violet);
  letter-spacing: .06em;
  padding-top: 3px;
}

.page-products .device-panel__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--p-line-soft);
  font-size: 13px;
  color: var(--muted);
}

/* ---------- 旁注列 ---------- */
.page-products .note-rail {
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  background: rgba(7, 6, 15, .75);
  font-size: 13px;
}

.page-products .note-rail__label {
  margin: 0 0 4px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
}

.page-products .note-rail__ver {
  margin: 0;
  font-size: 30px;
  line-height: 1.1;
  color: var(--yellow);
  text-shadow: 0 0 18px rgba(255, 216, 77, .35);
}

.page-products .note-rail__meta {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.page-products .note-rail__rule {
  margin: 14px 0;
  border: 0;
  border-top: 1px solid var(--p-line-soft);
}

.page-products .note-rail__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-products .note-rail__links a {
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  border-bottom: 1px solid transparent;
}

.page-products .note-rail__links a:hover,
.page-products .note-rail__links a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 七步清单 ---------- */
.page-products .steps-layout {
  display: grid;
  gap: 24px;
}

.page-products .p-steps__figure {
  margin: 0;
  max-width: 380px;
}

.page-products .step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .step {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid rgba(177, 75, 255, .45);
  background: linear-gradient(150deg, rgba(27, 15, 46, .9), rgba(7, 6, 15, .92));
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 18px 100%, 0 calc(100% - 18px));
  transition: border-color .2s, box-shadow .2s;
}

.page-products .step:hover {
  border-color: var(--violet);
  box-shadow: inset 0 0 0 1px rgba(177, 75, 255, .55);
}

.page-products .step__num {
  font-size: 36px;
  line-height: .92;
  color: var(--yellow);
  letter-spacing: -.02em;
  text-shadow: 0 0 16px rgba(255, 216, 77, .38);
}

.page-products .step__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: .01em;
}

.page-products .step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 段位 ---------- */
.page-products .ranks-layout {
  display: grid;
  gap: 22px;
}

.page-products .table-wrap {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  background: rgba(7, 6, 15, .45);
}

.page-products .ranks-table,
.page-products .ver-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  font-size: 14px;
  color: var(--text);
}

.page-products .ranks-table__caption,
.page-products .ver-table__caption {
  padding: 12px 14px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.page-products .ranks-table th,
.page-products .ver-table th {
  padding: 11px 12px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--cyan);
  border-top: 1px solid var(--cyan);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-products .ranks-table td,
.page-products .ver-table td {
  padding: 12px;
  vertical-align: top;
  border-bottom: 1px solid var(--p-line-soft);
  line-height: 1.65;
}

.page-products .ranks-table tbody tr:nth-child(odd),
.page-products .ver-table tbody tr:nth-child(odd) {
  background: rgba(232, 236, 245, .03);
}

.page-products .ranks-table tbody tr:hover,
.page-products .ver-table tbody tr:hover {
  outline: 1px solid var(--cyan);
  outline-offset: -1px;
}

.page-products .rank-name {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  white-space: nowrap;
}

.page-products .rank-name--bronze { color: #9FB3AE; }
.page-products .rank-name--silver { color: #C6D4E2; }
.page-products .rank-name--gold { color: var(--yellow); }
.page-products .rank-name--plat { color: var(--cyan); }
.page-products .rank-name--star { color: var(--violet); }

.page-products .p-ranks__figure {
  margin: 0;
}

.page-products .ranks-note {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--orange);
  background: rgba(7, 6, 15, .55);
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
  max-width: 78ch;
}

/* ---------- 版本状态 ---------- */
.page-products .ver-cards {
  display: grid;
  gap: 12px;
  margin-bottom: 24px;
}

.page-products .ver-card {
  padding: 16px 18px 18px;
  border: 1px solid var(--line);
  background: var(--p-panel-bg);
}

.page-products .ver-card--stable { border-top: 3px solid var(--cyan); }
.page-products .ver-card--beta { border-top: 3px solid var(--violet); }
.page-products .ver-card--legacy { border-top: 3px solid var(--orange); }

.page-products .ver-card__title {
  margin: 12px 0 8px;
  font-size: 16px;
  color: var(--text);
}

.page-products .ver-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .p-versions__figure {
  margin: 0 0 24px;
  max-width: 100%;
}

.page-products .ver-filter {
  position: relative;
}

.page-products .ver-filter__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-products .ver-filter__labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-products .ver-filter__labels label {
  padding: 6px 14px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
  cursor: pointer;
  transition: color .18s, border-color .18s, background .18s;
}

.page-products .ver-filter__labels label:hover {
  color: var(--text);
  border-color: var(--cyan);
}

.page-products .ver-filter__radio:focus-visible ~ .ver-filter__labels {
  outline: 2px dashed var(--cyan);
  outline-offset: 4px;
}

.page-products #vf-all:checked ~ .ver-filter__labels label[for="vf-all"],
.page-products #vf-stable:checked ~ .ver-filter__labels label[for="vf-stable"],
.page-products #vf-beta:checked ~ .ver-filter__labels label[for="vf-beta"],
.page-products #vf-legacy:checked ~ .ver-filter__labels label[for="vf-legacy"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-products #vf-stable:checked ~ .table-wrap tbody tr:not(.is-stable),
.page-products #vf-beta:checked ~ .table-wrap tbody tr:not(.is-beta),
.page-products #vf-legacy:checked ~ .table-wrap tbody tr:not(.is-legacy) {
  display: none;
}

/* ---------- 旧版回退 ---------- */
.page-products .rollback-grid {
  display: grid;
  gap: 24px;
}

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

.page-products .rollback-steps li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 14px;
  align-items: start;
  padding: 12px 14px;
  border: 1px solid var(--p-line-soft);
  border-left: 3px solid var(--orange);
  background: rgba(7, 6, 15, .55);
}

.page-products .rollback-steps .mono {
  font-size: 13px;
  color: var(--orange);
  letter-spacing: .08em;
  padding-top: 2px;
}

.page-products .rollback-steps h3 {
  margin: 0 0 4px;
  font-size: 15px;
  color: var(--text);
}

.page-products .rollback-steps p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .p-rollback__figure {
  margin: 0 0 20px;
}

.page-products .check-block {
  padding: 16px;
  border: 1px solid var(--p-line-soft);
  background: rgba(7, 6, 15, .6);
}

.page-products .check-block__title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--yellow);
}

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

.page-products .check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  line-height: 1.6;
}

.page-products .check-item input {
  flex: none;
  width: 16px;
  height: 16px;
  margin: 2px 0 0;
  accent-color: var(--cyan);
}

.page-products .check-item input:checked ~ span {
  color: var(--muted);
  text-decoration: line-through;
}

.page-products .keep-grid {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.page-products .keep-card {
  padding: 16px 18px;
  border: 1px solid var(--p-line-soft);
  background: rgba(7, 6, 15, .55);
}

.page-products .keep-card--yes { border-top: 3px solid var(--cyan); }
.page-products .keep-card--no { border-top: 3px solid var(--orange); }

.page-products .keep-card__title {
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--text);
}

.page-products .keep-card ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 装不上 ---------- */
.page-products .trouble-grid {
  display: grid;
  gap: 12px;
}

.page-products .trouble-card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  background: var(--p-panel-bg);
  transition: border-color .2s, box-shadow .2s;
}

.page-products .trouble-card:hover {
  border-color: var(--violet);
  box-shadow: var(--glow-violet);
}

.page-products .trouble-card__code {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-products .trouble-card h3 {
  margin: 0 0 8px;
  font-size: 15px;
  color: var(--text);
}

.page-products .trouble-card p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .trouble-card--link {
  border-color: rgba(177, 75, 255, .5);
  background: linear-gradient(150deg, rgba(27, 15, 46, .9), rgba(7, 6, 15, .9));
}

.page-products .trouble-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.page-products .dl-block {
  margin-top: 28px;
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--violet);
  background: rgba(15, 27, 46, .5);
}

.page-products .dl-block__title {
  margin: 0 0 8px;
  color: var(--text);
}

.page-products .dl-block__lede {
  margin: 0 0 16px;
  font-size: 14px;
  color: var(--muted);
  max-width: 62ch;
}

.page-products .dl-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-products .dl-grid li {
  padding: 10px 12px;
  border: 1px solid var(--p-line-soft);
  border-left: 3px solid var(--cyan);
  background: rgba(7, 6, 15, .55);
  font-size: 13px;
  color: var(--text);
}

.page-products .dl-block__foot {
  margin: 16px 0 0;
  font-size: 13px;
  color: var(--muted);
}

.page-products .dl-block__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 216, .45);
}

.page-products .dl-block__foot a:hover,
.page-products .dl-block__foot a:focus-visible {
  color: var(--yellow);
  border-bottom-color: var(--yellow);
}

/* ---------- 媒体查询 ---------- */
@media (min-width: 640px) {
  .page-products .p-hero__ticks {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .ver-card:first-child {
    border-top-width: 3px;
  }

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

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

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

@media (min-width: 900px) {
  .page-products .p-hero {
    padding: 32px 0 0;
  }

  .page-products .p-hero__frame {
    padding: 46px 44px 50px;
  }

  .page-products .p-hero__title {
    font-size: 56px;
  }

  .page-products .quick-bar {
    padding: 14px 24px;
    gap: 8px 20px;
    font-size: 13px;
  }

  .page-products .device-switch {
    grid-template-columns: 190px minmax(0, 1fr) 210px;
    gap: 24px;
    align-items: start;
  }

  .page-products .device-rail {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .device-card {
    min-width: 0;
    width: 100%;
  }

  .page-products .device-panel {
    padding: 24px 26px 26px;
  }

  .page-products .steps-layout {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 32px;
    align-items: start;
  }

  .page-products .p-steps__figure {
    position: sticky;
    top: 96px;
    max-width: 100%;
  }

  .page-products .step {
    padding: 20px 24px;
    gap: 20px;
  }

  .page-products .step__num {
    font-size: 64px;
  }

  .page-products .ranks-layout {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-products .rollback-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-products .ver-cards {
    grid-template-columns: 1.3fr 1fr 1fr;
  }

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

@media (min-width: 1024px) {
  .page-products .trouble-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .step__title {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .device-card,
  .page-products .step,
  .page-products .trouble-card,
  .page-products .quick-bar a,
  .page-products .note-rail__links a {
    transition: none;
  }
}
<<<END>>>