.page-products {
  --pp-line-soft: rgba(23, 50, 79, 0.55);
  --pp-paper-line: rgba(12, 32, 56, 0.16);
  background: var(--ink-950);
  color: var(--paper-100);
  font-family: var(--font-body);
  overflow-x: hidden;
  padding-bottom: clamp(40px, 7vw, 88px);
}

.page-products p {
  margin: 0;
  line-height: 1.75;
}

.page-products .breadcrumb {
  padding-block: 18px;
}

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-products .breadcrumb__link {
  color: var(--steel-400);
  text-decoration: none;
  transition: color var(--ease);
}

.page-products .breadcrumb__link:hover,
.page-products .breadcrumb__link:focus-visible {
  color: var(--paper-100);
}

.page-products .breadcrumb__sep {
  color: var(--line-700);
}

.page-products .breadcrumb__item[aria-current] {
  color: var(--amber-500);
}

/* ---------- 闸口首屏 ---------- */
.page-products .gate {
  position: relative;
  isolation: isolate;
  border-top: 1px solid var(--line-700);
  border-bottom: 1px solid var(--line-700);
  background:
    radial-gradient(120% 92% at 84% -6%, rgba(45, 125, 255, 0.26), transparent 62%),
    linear-gradient(180deg, var(--ink-900), var(--ink-950));
  overflow: hidden;
}

.page-products .gate::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--line-700) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-700) 1px, transparent 1px);
  background-size: 90px 90px;
  opacity: 0.5;
  -webkit-mask-image: linear-gradient(180deg, #000 8%, transparent 76%);
  mask-image: linear-gradient(180deg, #000 8%, transparent 76%);
  pointer-events: none;
}

.page-products .gate__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  padding-block: clamp(30px, 6vw, 70px);
}

.page-products .gate__label {
  color: var(--amber-500);
  margin-bottom: 16px;
}

.page-products .gate__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 7.2vw, 78px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--paper-100);
}

.page-products .gate__title-accent {
  color: var(--blue-500);
}

.page-products .gate__lede {
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  color: var(--paper-100);
  opacity: 0.86;
}

.page-products .gate__actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-products .gate__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 16px 26px;
  text-decoration: none;
  text-align: center;
}

.page-products .gate__cta-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  padding: 14px 22px;
  text-decoration: none;
  text-align: center;
  color: var(--paper-100);
}

.page-products .gate__note {
  margin-top: 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel-400);
}

.page-products .gate__note .mono {
  color: var(--amber-500);
  font-size: 13px;
}

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

.page-products .gate__band {
  border-top: 1px solid var(--line-700);
  background: var(--ink-900);
}

.page-products .gate__band-inner {
  display: grid;
  grid-template-columns: 1fr;
}

.page-products .gate__fact {
  padding: 14px 2px;
  border-top: 1px solid var(--line-700);
}

.page-products .gate__fact:first-child {
  border-top: 0;
}

.page-products .gate__fact-label {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel-400);
  margin-bottom: 6px;
}

.page-products .gate__fact-value {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--paper-100);
}

.page-products .gate__fact:first-child .gate__fact-value {
  color: var(--amber-500);
  font-size: 18px;
}

/* ---------- 通用章节 ---------- */
.page-products .section {
  padding-block: clamp(48px, 7vw, 96px);
}

.page-products .section + .section {
  border-top: 1px solid var(--line-700);
}

.page-products .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
  padding-bottom: 16px;
  margin-bottom: clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--line-700);
}

.page-products .section-head__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber-500);
}

.page-products .section-head__title {
  font-family: var(--font-display);
  font-size: clamp(23px, 3.1vw, 36px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0;
  color: var(--paper-100);
}

.page-products .section-head__meta {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel-400);
}

.page-products .arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--blue-500);
  text-decoration: none;
  padding-block: 2px;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-products .arrow-link::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-products .arrow-link:hover,
.page-products .arrow-link:focus-visible {
  color: var(--amber-500);
  border-bottom-color: var(--amber-500);
}

.page-products .codechip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  padding: 2px 8px;
  background: var(--ink-800);
  border: 1px solid var(--line-700);
  color: var(--amber-500);
}

/* ---------- 版本轨道 ---------- */
.page-products .track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-products .track__item {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--ink-900);
  border: 1px solid var(--line-700);
  transition: border-color var(--ease), background-color var(--ease);
}

.page-products .track__item:hover {
  border-color: var(--blue-500);
}

.page-products .track__item--stable {
  background: linear-gradient(158deg, var(--ink-800), var(--ink-900) 74%);
  border-color: var(--amber-500);
}

.page-products .track__item--stable:hover {
  border-color: var(--amber-500);
}

.page-products .track__kind {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel-400);
}

.page-products .track__item--stable .track__kind {
  color: var(--paper-100);
}

.page-products .track__ver {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(30px, 4.2vw, 46px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--paper-100);
}

.page-products .track__item--stable .track__ver {
  color: var(--amber-500);
}

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

.page-products .track__list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 10px;
  padding-block: 9px;
  border-top: 1px solid var(--pp-line-soft);
  font-size: 14px;
  line-height: 1.65;
  color: var(--steel-400);
}

.page-products .track__item--stable .track__list li {
  color: var(--paper-100);
  opacity: 0.9;
}

.page-products .track__key {
  font-size: 11px;
  letter-spacing: 0.1em;
  padding-top: 3px;
  color: var(--steel-400);
}

.page-products .track__item--stable .track__key {
  color: var(--amber-500);
}

.page-products .track__action {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .track__figure {
  margin: clamp(24px, 4vw, 40px) 0 0;
}

/* ---------- 设备与安装包 ---------- */
.page-products .packages__lede {
  max-width: 68ch;
  font-size: 15px;
  color: var(--paper-100);
  opacity: 0.86;
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-products .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line-700);
  background: var(--ink-900);
  -webkit-overflow-scrolling: touch;
}

.page-products .device-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .device-table th {
  text-align: left;
  padding: 12px 16px;
  background: var(--ink-800);
  border-bottom: 1px solid var(--line-700);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--steel-400);
  white-space: nowrap;
}

.page-products .device-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--pp-line-soft);
  color: var(--paper-100);
  vertical-align: top;
  line-height: 1.6;
}

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

.page-products .device-table tbody tr:nth-child(even) td {
  background: rgba(12, 32, 56, 0.6);
}

.page-products .device-table td.mono {
  font-family: var(--font-mono);
  color: var(--amber-500);
  white-space: nowrap;
}

.page-products .packages__foot {
  margin-top: clamp(18px, 2.6vw, 26px);
  max-width: 72ch;
  font-size: 14px;
  color: var(--steel-400);
}

.page-products .packages__figure {
  margin: clamp(24px, 4vw, 38px) 0 0;
}

/* ---------- 安装步骤 ---------- */
.page-products .install__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
}

.page-products .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-700);
}

.page-products .step {
  border-bottom: 1px solid var(--line-700);
}

.page-products .step__summary {
  display: grid;
  grid-template-columns: 42px 1fr 18px;
  align-items: center;
  gap: 10px;
  padding: 18px 2px;
  cursor: pointer;
  list-style: none;
}

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

.page-products .step__summary::after {
  content: "+";
  justify-self: end;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--steel-400);
}

.page-products .step__details[open] .step__summary::after {
  content: "−";
  color: var(--amber-500);
}

.page-products .step__summary:hover .step__title {
  color: var(--amber-500);
}

.page-products .step__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber-500);
}

.page-products .step__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--paper-100);
  transition: color var(--ease);
}

.page-products .step__body {
  padding: 0 2px 20px 52px;
  font-size: 14px;
  color: var(--paper-100);
  opacity: 0.84;
}

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

/* ---------- 校验 ---------- */
.page-products .verify__lede {
  max-width: 70ch;
  font-size: 15px;
  color: var(--paper-100);
  opacity: 0.86;
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-products .checks {
  margin: 0;
  border-top: 1px solid var(--line-700);
}

.page-products .check {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding-block: 15px;
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-products .check__key {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--steel-400);
}

.page-products .check__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-100);
}

/* ---------- 更新记录 ---------- */
.page-products .updates__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
}

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

.page-products .timeline__item {
  position: relative;
  padding: 0 0 26px 26px;
  border-left: 1px solid var(--line-700);
}

.page-products .timeline__item:last-child {
  padding-bottom: 0;
}

.page-products .timeline__item::before {
  content: "";
  position: absolute;
  left: -4.5px;
  top: 7px;
  width: 8px;
  height: 8px;
  background: var(--ink-950);
  border: 1px solid var(--blue-500);
  transform: rotate(45deg);
}

.page-products .timeline__item--now::before {
  background: var(--amber-500);
  border-color: var(--amber-500);
}

.page-products .timeline__ver {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--paper-100);
}

.page-products .timeline__item--now .timeline__ver {
  color: var(--amber-500);
}

.page-products .timeline__title {
  margin-top: 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--steel-400);
}

.page-products .timeline__text {
  margin-top: 10px;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--paper-100);
  opacity: 0.84;
}

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

/* ---------- 浅色分流区 ---------- */
.page-products .section--paper {
  background: var(--paper-100);
  color: var(--ink-950);
}

.page-products .section-head--paper {
  border-bottom-color: var(--pp-paper-line);
}

.page-products .section-head--paper .section-head__title {
  color: var(--ink-950);
}

.page-products .section-head--paper .section-head__idx {
  color: var(--amber-700);
}

.page-products .help-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .help-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--pp-paper-line);
  border-left: 3px solid transparent;
  color: var(--ink-950);
  transition: border-color var(--ease), background-color var(--ease);
}

.page-products .help-card:hover,
.page-products .help-card:focus-visible {
  background: rgba(255, 255, 255, 0.95);
  border-left-color: var(--amber-500);
}

.page-products .help-card__tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--blue-700);
}

.page-products .help-card__title {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-950);
}

.page-products .help-card__text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-800);
}

.page-products .help-card__go {
  margin-top: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue-700);
}

.page-products .help__foot {
  margin-top: clamp(20px, 3vw, 28px);
  font-size: 13px;
  color: var(--ink-800);
}

/* ---------- 图片容器微调 ---------- */
.page-products .img-frame {
  margin: 0;
  display: block;
}

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

.page-products .img-frame__caption {
  display: block;
  padding-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.6;
  color: var(--steel-400);
}

.page-products .section--paper .img-frame__caption {
  color: var(--ink-800);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .gate__actions {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }

  .page-products .check {
    grid-template-columns: 160px 1fr;
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-products .gate__band-inner {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-products .gate__fact {
    padding: 18px 20px;
    border-top: 0;
    border-left: 1px solid var(--line-700);
  }

  .page-products .gate__fact:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-products .help-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (min-width: 940px) {
  .page-products .track {
    grid-template-columns: 2fr 1fr 1fr;
    gap: 18px;
    align-items: stretch;
  }

  .page-products .install__layout {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-products .updates__layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-products .step__body {
    padding-left: 52px;
  }
}

@media (min-width: 1000px) {
  .page-products .gate__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
  }

  .page-products .check {
    grid-template-columns: 200px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .track__item,
  .page-products .arrow-link,
  .page-products .help-card,
  .page-products .step__title {
    transition: none;
  }
}
<<<END>>>