.page-products {
  --dl-rail: 288px;
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.page-products .prose {
  color: var(--ink);
  max-width: 38em;
  line-height: 1.9;
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-products .dl-sec-head {
  max-width: 62ch;
  margin-bottom: var(--s6);
}

.page-products .dl-sec-head .section-title {
  margin-top: var(--s3);
}

.page-products .dl-sec-head .prose {
  margin-top: var(--s4);
  color: var(--teal);
}

/* ---------- 首屏 ---------- */
.page-products .dl-hero {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--warm);
  padding-block: var(--s7) var(--s8);
}

.page-products .dl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(90deg, rgba(242, 206, 107, .07) 0 1px, transparent 1px 104px),
    linear-gradient(180deg, rgba(11, 31, 23, .42), rgba(11, 31, 23, 0) 58%);
  pointer-events: none;
}

.page-products .dl-hero::after {
  content: "";
  position: absolute;
  top: -140px;
  right: -90px;
  width: min(52vw, 460px);
  height: min(52vw, 460px);
  background: linear-gradient(140deg, rgba(217, 161, 40, .34), rgba(217, 161, 40, 0) 68%);
  transform: rotate(16deg);
  pointer-events: none;
}

.page-products .dl-hero > .container {
  position: relative;
  z-index: 1;
}

.page-products .dl-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--s2);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .1em;
  color: rgba(246, 244, 238, .6);
}

.page-products .dl-hero .breadcrumb a {
  color: rgba(246, 244, 238, .6);
  text-decoration: none;
  transition: color .16s ease;
}

.page-products .dl-hero .breadcrumb a:hover {
  color: var(--gold);
}

.page-products .dl-hero .breadcrumb__sep {
  color: rgba(242, 206, 107, .55);
}

.page-products .dl-hero__grid {
  display: grid;
  gap: var(--s7);
  margin-top: var(--s6);
}

.page-products .dl-hero .display-title {
  margin-top: var(--s4);
  color: var(--warm);
  max-width: 20ch;
}

.page-products .dl-hero .lede {
  margin-top: var(--s5);
  max-width: 48ch;
  color: rgba(246, 244, 238, .82);
  line-height: 1.9;
}

.page-products .dl-hero__facts {
  display: grid;
  gap: 1px;
  background: rgba(242, 206, 107, .3);
  border: 1px solid rgba(242, 206, 107, .3);
}

.page-products .dl-fact {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--s2);
  padding: var(--s5);
  background: rgba(11, 31, 23, .6);
}

.page-products .dl-fact__num {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  line-height: 1;
  color: var(--gold);
  letter-spacing: -.02em;
}

.page-products .dl-fact__unit {
  font-size: var(--fs-small);
  color: rgba(246, 244, 238, .68);
}

.page-products .dl-fact__desc {
  flex: 1 0 100%;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: rgba(246, 244, 238, .74);
}

/* ---------- 版本选择 ---------- */
.page-products .dl-versions {
  background: var(--paper);
}

.page-products .ver-grid {
  display: grid;
  gap: var(--s4);
}

.page-products .ver-card {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
  padding: var(--s5) var(--s5) var(--s6);
  background: var(--warm);
  border: 1px solid var(--line);
  border-top: 3px solid var(--mid);
  transition: transform .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-products .ver-card:hover {
  transform: translateY(-2px);
  border-color: var(--amber);
}

.page-products .ver-card--active {
  background:
    linear-gradient(180deg, rgba(242, 206, 107, .16), rgba(242, 206, 107, 0) 46%),
    var(--warm);
  border-color: var(--amber);
  border-top-color: var(--amber);
}

.page-products .ver-card__badge {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .14em;
  color: var(--teal);
}

.page-products .ver-card__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-h3);
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-products .ver-card__for {
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--teal);
}

.page-products .ver-card__list {
  display: grid;
  gap: var(--s2);
  margin-top: auto;
  padding-top: var(--s3);
  border-top: 1px solid var(--line);
}

.page-products .ver-card__list li {
  position: relative;
  padding-left: var(--s4);
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--ink);
}

.page-products .ver-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 1px;
  background: var(--amber);
}

/* ---------- 对照区 ---------- */
.page-products .dl-compare {
  background: var(--paper);
}

.page-products .cmp-figure {
  margin: 0 0 var(--s7);
  border: 1px solid var(--line);
  background: var(--deep);
}

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

.page-products .cmp-figure figcaption {
  padding: var(--s3) var(--s4);
  background: var(--warm);
  border-top: 1px solid var(--line);
  font-size: var(--fs-small);
  color: var(--teal);
}

.page-products .cmp-wrap {
  display: grid;
  gap: var(--s6);
}

.page-products .cmp-rail__title {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .18em;
  color: var(--gray);
}

.page-products .cmp-toc {
  display: grid;
  margin-top: var(--s4);
}

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

.page-products .cmp-toc__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-products .cmp-toc__item a {
  display: flex;
  align-items: baseline;
  gap: var(--s3);
  padding: var(--s3) 0;
  font-size: var(--fs-small);
  color: var(--ink);
  text-decoration: none;
  transition: color .16s ease, padding-left .16s ease;
}

.page-products .cmp-toc__item a:hover {
  color: var(--amber);
  padding-left: var(--s2);
}

.page-products .cmp-toc__no {
  font-size: var(--fs-mono);
  letter-spacing: .1em;
  color: var(--amber);
}

.page-products .cmp-body {
  display: grid;
  gap: var(--s8);
}

.page-products .cmp-group {
  scroll-margin-top: 120px;
}

.page-products .cmp-group__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s4);
  align-items: start;
  padding-bottom: var(--s4);
  border-bottom: 2px solid var(--ink);
}

.page-products .cmp-group__no {
  font-size: var(--fs-h3);
  line-height: 1.1;
  color: var(--amber);
  letter-spacing: -.02em;
}

.page-products .cmp-group__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-h3);
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-products .cmp-group__note {
  margin-top: var(--s2);
  max-width: 54ch;
  font-size: var(--fs-small);
  line-height: 1.85;
  color: var(--teal);
}

.page-products .cmp-head {
  display: grid;
  gap: var(--s2);
  padding: var(--s3) 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .16em;
  color: var(--gray);
  text-transform: uppercase;
}

.page-products .cmp-list {
  display: grid;
}

.page-products .cmp-row {
  display: grid;
  gap: var(--s2);
  padding: var(--s4) 0;
  border-bottom: 1px solid var(--line);
}

.page-products .cmp-row__name {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--s2);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--fs-body);
  color: var(--ink);
}

.page-products .cmp-row__cell {
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--ink);
}

.page-products .cmp-row__cell--old {
  color: var(--teal);
}

.page-products .cmp-row__vlabel {
  display: none;
}

.page-products .cmp-flag {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: var(--fs-mono);
  letter-spacing: .08em;
  padding: 2px var(--s2);
  color: var(--ink);
  background: linear-gradient(180deg, var(--gold), var(--amber));
  white-space: nowrap;
}

/* ---------- 设备适配 ---------- */
.page-products .dl-devices {
  background: var(--warm);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .dev-figure {
  margin: 0 0 var(--s6);
  border: 1px solid var(--line);
  background: var(--paper);
}

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

.page-products .dev-figure figcaption {
  padding: var(--s3) var(--s4);
  border-top: 1px solid var(--line);
  font-size: var(--fs-small);
  color: var(--teal);
}

.page-products .dev-strip {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .dev-item {
  display: flex;
  flex-direction: column;
  gap: var(--s3);
  padding: var(--s5);
  background: var(--paper);
}

.page-products .dev-item__icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(135deg, rgba(217, 161, 40, .22), rgba(217, 161, 40, 0));
  font-size: var(--fs-mono);
  color: var(--amber);
  letter-spacing: .06em;
}

.page-products .dev-item__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-h3);
  color: var(--ink);
}

.page-products .dev-item__spec {
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--mid);
}

.page-products .dev-item__note {
  font-size: var(--fs-small);
  line-height: 1.8;
  color: var(--teal);
}

/* ---------- 安装步骤 ---------- */
.page-products .dl-steps {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--warm);
}

.page-products .dl-steps::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, rgba(242, 206, 107, .06) 0 1px, transparent 1px 84px);
  pointer-events: none;
}

.page-products .dl-steps > .container {
  position: relative;
  z-index: 1;
}

.page-products .dl-sec-head--light .eyebrow {
  color: var(--gold);
}

.page-products .dl-sec-head--light .section-title {
  color: var(--warm);
}

.page-products .dl-sec-head--light .prose {
  color: rgba(246, 244, 238, .76);
}

.page-products .step-figure {
  margin: 0 0 var(--s6);
  border: 1px solid var(--line-light);
}

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

.page-products .step-flow {
  display: grid;
  gap: var(--s4);
}

.page-products .step {
  padding: var(--s5) var(--s5) var(--s6);
  background: rgba(11, 31, 23, .5);
  border: 1px solid var(--line-light);
  transition: border-color .18s ease, transform .18s ease;
}

.page-products .step:hover {
  border-color: var(--amber);
  transform: translateY(-2px);
}

.page-products .step__no {
  display: block;
  font-size: var(--fs-h2);
  line-height: 1;
  color: var(--gold);
  letter-spacing: -.02em;
}

.page-products .step__title {
  margin-top: var(--s4);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-h3);
  color: var(--warm);
}

.page-products .step__body {
  margin-top: var(--s3);
  font-size: var(--fs-small);
  line-height: 1.9;
  color: rgba(246, 244, 238, .78);
}

/* ---------- 升级与回退 ---------- */
.page-products .dl-switch {
  background: var(--paper);
}

.page-products .upgrade-grid {
  display: grid;
  gap: var(--s5);
}

.page-products .upgrade-col {
  padding: var(--s5);
  background: var(--warm);
  border: 1px solid var(--line);
  border-left: 3px solid var(--mid);
}

.page-products .upgrade-col--warn {
  border-left-color: var(--amber);
}

.page-products .upgrade-col__title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: var(--fs-h3);
  color: var(--ink);
}

.page-products .upgrade-list {
  display: grid;
  gap: var(--s3);
  margin-top: var(--s4);
}

.page-products .upgrade-list li {
  position: relative;
  padding-left: var(--s5);
  font-size: var(--fs-small);
  line-height: 1.85;
  color: var(--ink);
}

.page-products .upgrade-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 10px;
  height: 1px;
  background: var(--mid);
}

.page-products .upgrade-col--warn .upgrade-list li::before {
  background: var(--coral);
}

.page-products .upgrade-col__foot {
  margin-top: var(--s5);
  padding-top: var(--s4);
  border-top: 1px solid var(--line);
  font-size: var(--fs-small);
  line-height: 1.85;
  color: var(--teal);
}

/* ---------- 校验 ---------- */
.page-products .dl-verify {
  background: var(--warm);
  border-top: 1px solid var(--line);
}

.page-products .verify-grid {
  display: grid;
  gap: var(--s6);
}

.page-products .verify-copy .prose + .prose {
  margin-top: var(--s4);
}

.page-products .verify-points {
  display: grid;
  gap: var(--s3);
  margin-top: var(--s5);
  padding-top: var(--s5);
  border-top: 1px solid var(--line);
}

.page-products .verify-points li {
  position: relative;
  padding-left: var(--s5);
  font-size: var(--fs-small);
  line-height: 1.85;
  color: var(--ink);
}

.page-products .verify-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 6px;
  height: 6px;
  background: var(--amber);
}

.page-products .hash-panel {
  padding: var(--s5);
  background: var(--ink);
  border: 1px solid var(--line-strong);
}

.page-products .hash-panel__title {
  font-size: var(--fs-mono);
  letter-spacing: .2em;
  color: var(--gold);
}

.page-products .hash-row {
  display: grid;
  gap: var(--s2);
  padding: var(--s4) 0;
  border-bottom: 1px dashed rgba(242, 206, 107, .26);
}

.page-products .hash-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .hash-row__key {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: .12em;
  color: var(--gold);
}

.page-products .hash-row__val {
  font-family: var(--font-mono);
  font-size: var(--fs-small);
  line-height: 1.6;
  color: rgba(246, 244, 238, .82);
  word-break: break-all;
}

.page-products .hash-row__val--hash {
  color: var(--warm);
  letter-spacing: .04em;
}

.page-products .verify-note {
  margin-top: var(--s6);
  padding: var(--s4) var(--s5);
  border-left: 3px solid var(--coral);
  background: rgba(255, 90, 54, .08);
  font-size: var(--fs-small);
  line-height: 1.9;
  color: var(--ink);
}

/* ---------- 底部引导 ---------- */
.page-products .dl-cta {
  position: relative;
  overflow: hidden;
  background: var(--mid);
  color: var(--warm);
  padding-block: var(--s8);
}

.page-products .dl-cta__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .2;
  pointer-events: none;
}

.page-products .dl-cta__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--s6);
}

.page-products .dl-cta .eyebrow {
  color: var(--gold);
}

.page-products .dl-cta .section-title {
  margin-top: var(--s3);
  color: var(--warm);
}

.page-products .dl-cta .lede {
  margin-top: var(--s4);
  max-width: 46ch;
  color: rgba(246, 244, 238, .84);
  line-height: 1.9;
}

.page-products .dl-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s3);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .dev-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .dl-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: var(--s7);
  }

  .page-products .dl-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 780px) {
  .page-products .cmp-head {
    grid-template-columns: minmax(120px, 1fr) 1.5fr 1.5fr;
    gap: var(--s5);
  }

  .page-products .cmp-row {
    grid-template-columns: minmax(120px, 1fr) 1.5fr 1.5fr;
    gap: var(--s5);
    align-items: start;
  }

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

  .page-products .upgrade-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--s6);
  }

  .page-products .step-flow {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--s5);
  }
}

@media (max-width: 779px) {
  .page-products .cmp-row__vlabel {
    display: inline-block;
    margin-right: var(--s2);
    font-family: var(--font-mono);
    font-size: var(--fs-mono);
    letter-spacing: .12em;
    color: var(--amber);
  }

  .page-products .cmp-row__cell--old .cmp-row__vlabel {
    color: var(--teal);
  }

  .page-products .cmp-row__cell {
    padding-left: var(--s4);
    border-left: 1px solid var(--line);
  }
}

@media (min-width: 900px) {
  .page-products .dl-hero__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: var(--s8);
    align-items: end;
  }

  .page-products .verify-grid {
    grid-template-columns: minmax(0, 1fr) 400px;
    gap: var(--s7);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .cmp-wrap {
    grid-template-columns: var(--dl-rail) minmax(0, 1fr);
    gap: var(--s7);
    align-items: start;
  }

  .page-products .cmp-rail {
    position: sticky;
    top: 112px;
    padding-right: var(--s5);
    border-right: 1px solid var(--line);
  }

  .page-products .dev-strip {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .ver-card,
  .page-products .step,
  .page-products .cmp-toc__item a {
    transition: none;
  }

  .page-products .ver-card:hover,
  .page-products .step:hover {
    transform: none;
  }
}