.page-products {
  --prod-index-w: 264px;
  --prod-gap: clamp(20px, 2.4vw, 40px);
  --prod-card-bg: linear-gradient(165deg, rgba(11, 46, 74, 0.92) 0%, rgba(8, 36, 58, 0.92) 100%);
  color: var(--ice);
  background: var(--deep);
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  background: var(--deep);
  border-bottom: 1px solid var(--line-faint);
}

.page-products .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  margin: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-products .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-products .breadcrumb__list a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .breadcrumb__list a:hover,
.page-products .breadcrumb__list a:focus-visible {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.page-products .breadcrumb__list span {
  color: var(--ice);
}

/* ---------- 首屏 ---------- */
.page-products .prod-masthead {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-faint);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(255, 107, 26, 0.14) 0%, rgba(6, 26, 43, 0) 58%),
    repeating-linear-gradient(90deg, var(--line-faint) 0 1px, transparent 1px 104px),
    repeating-linear-gradient(0deg, rgba(28, 93, 122, 0.14) 0 1px, transparent 1px 104px),
    var(--deep);
}

.page-products .prod-masthead::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--caution) 34%, var(--pitch) 68%, transparent 100%);
  opacity: 0.75;
}

.page-products .prod-masthead__inner {
  padding-top: clamp(36px, 6vw, 72px);
  padding-bottom: clamp(32px, 5vw, 60px);
}

.page-products .prod-masthead .eyebrow {
  margin: 0 0 18px;
}

.page-products .prod-masthead__title {
  margin: 0 0 20px;
  max-width: 20ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(32px, 6.4vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-products .prod-masthead__lead {
  margin: 0 0 34px;
  max-width: 62ch;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.75;
  color: var(--ice);
  border-left: 2px solid var(--accent);
  padding-left: 18px;
}

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

.page-products .prod-masthead__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: rgba(6, 26, 43, 0.86);
}

.page-products .prod-masthead__num {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.page-products .prod-masthead__cap {
  font-size: 13px;
  line-height: 1.5;
  color: var(--steel);
}

/* ---------- 主体骨架 ---------- */
.page-products .prod-lab__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
  padding-top: clamp(32px, 5vw, 64px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-products .prod-index {
  border: 1px solid var(--line-faint);
  background: rgba(11, 46, 74, 0.5);
  padding: 20px 18px;
}

.page-products .prod-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-products .prod-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-products .prod-index__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 8px;
  font-size: 15px;
  color: var(--ice);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-products .prod-index__list a:hover,
.page-products .prod-index__list a:focus-visible {
  background: var(--accent-soft);
  border-left-color: var(--accent);
  color: var(--white);
}

.page-products .prod-index__list .data-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--accent);
  flex: none;
}

.page-products .prod-index__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-faint);
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-products .prod-index__note a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-index__note a:hover,
.page-products .prod-index__note a:focus-visible {
  border-bottom-color: var(--accent);
}

/* ---------- 筛选条 ---------- */
.page-products .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .filter-chip {
  appearance: none;
  cursor: pointer;
  padding: 9px 15px;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--steel);
  background: transparent;
  border: 1px solid var(--line-soft);
  border-radius: 0;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .filter-chip:hover {
  color: var(--ice);
  border-color: var(--line);
}

.page-products .filter-chip[aria-pressed="true"] {
  color: var(--deep);
  background: var(--accent);
  border-color: var(--accent);
}

.page-products .filter-chip:focus-visible {
  outline: 2px solid var(--caution);
  outline-offset: 2px;
}

.page-products [data-filtered-out] {
  display: none !important;
}

/* ---------- 功能模块 ---------- */
.page-products .prod-main {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  min-width: 0;
}

.page-products .prod-mod {
  position: relative;
  padding: clamp(22px, 3.2vw, 40px);
  border: 1px solid var(--line-faint);
  background: var(--prod-card-bg);
}

.page-products .prod-mod::before,
.page-products .prod-mod::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid var(--accent);
  pointer-events: none;
}

.page-products .prod-mod::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-products .prod-mod::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}

.page-products .prod-mod__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-faint);
}

.page-products .prod-mod__no {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.4vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--accent);
  opacity: 0.9;
}

.page-products .prod-mod__head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .prod-mod__kicker {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--pitch);
}

.page-products .prod-mod__text p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ice);
}

.page-products .prod-mod__text p:last-child {
  margin-bottom: 0;
}

.page-products .prod-mod__figure {
  margin: 0;
  border: 1px solid var(--line-faint);
}

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

.page-products .prod-mod__aside {
  margin-top: 16px !important;
  padding: 12px 14px;
  font-size: 14px !important;
  line-height: 1.7 !important;
  color: var(--steel) !important;
  border-left: 2px solid var(--line);
  background: rgba(28, 93, 122, 0.12);
}

.page-products .prod-mod__aside a,
.page-products .prod-mod__cta a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .prod-mod__aside a:hover,
.page-products .prod-mod__cta a:hover,
.page-products .prod-mod__aside a:focus-visible,
.page-products .prod-mod__cta a:focus-visible {
  border-bottom-color: var(--accent);
}

.page-products .prod-mod__cta {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-faint);
  font-size: 15px;
  line-height: 1.75;
  color: var(--ice);
}

/* ---------- 要点列表 ---------- */
.page-products .prod-points {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-products .prod-points li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--steel);
}

.page-products .prod-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 9px;
  height: 1px;
  background: var(--accent);
}

.page-products .prod-points strong {
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
  color: var(--white);
}

/* ---------- 表格 ---------- */
.page-products .prod-tablewrap {
  margin-top: 26px;
  overflow-x: auto;
  border: 1px solid var(--line-faint);
  background: rgba(6, 26, 43, 0.5);
}

.page-products .prod-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-products .prod-table__caption {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
  border-bottom: 1px solid var(--line-faint);
}

.page-products .prod-table th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--caution);
  background: rgba(28, 93, 122, 0.18);
  border-bottom: 1px solid var(--line-soft);
  white-space: nowrap;
}

.page-products .prod-table td {
  padding: 13px 16px;
  color: var(--ice);
  border-bottom: 1px solid var(--line-faint);
  line-height: 1.6;
}

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

.page-products .prod-table tbody tr:hover td {
  background: rgba(255, 107, 26, 0.06);
}

.page-products .prod-table .data-num {
  font-family: var(--font-mono);
  color: var(--pitch);
  white-space: nowrap;
}

/* ---------- 判罚卡牌 ---------- */
.page-products .prod-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 26px;
}

.page-products .prod-card {
  border: 1px solid var(--line-soft);
  background: rgba(6, 26, 43, 0.62);
}

.page-products .prod-card__summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  transition: background 0.2s var(--ease);
}

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

.page-products .prod-card__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--accent);
}

.page-products .prod-card[open] .prod-card__summary::after {
  content: "−";
}

.page-products .prod-card__summary:hover {
  background: rgba(255, 107, 26, 0.08);
}

.page-products .prod-card__summary:focus-visible {
  outline: 2px solid var(--caution);
  outline-offset: -2px;
}

.page-products .prod-card__title {
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-products .prod-card__body {
  padding: 0 18px 18px;
  border-top: 1px solid var(--line-faint);
}

.page-products .prod-card__body p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--steel);
}

/* ---------- 版本时间轴 ---------- */
.page-products .prod-timeline {
  margin: 0;
  padding: 0 0 0 20px;
  list-style: none;
  border-left: 1px solid var(--line-soft);
}

.page-products .prod-timeline li {
  position: relative;
  padding-bottom: 22px;
}

.page-products .prod-timeline li:last-child {
  padding-bottom: 0;
}

.page-products .prod-timeline li::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 7px;
  width: 9px;
  height: 9px;
  background: var(--accent);
}

.page-products .prod-timeline li:nth-child(2)::before {
  background: var(--caution);
}

.page-products .prod-timeline li:nth-child(3)::before {
  background: var(--pitch);
}

.page-products .prod-timeline li:nth-child(4)::before {
  background: var(--steel);
}

.page-products .prod-timeline__ver {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.02em;
}

.page-products .prod-timeline li p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 支持信息格 ---------- */
.page-products .prod-support {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 28px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

.page-products .prod-support__cell {
  padding: 16px 18px;
  background: rgba(6, 26, 43, 0.72);
}

.page-products .prod-support__key {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-products .prod-support__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--white);
}

.page-products .prod-support__val.data-num {
  font-family: var(--font-mono);
  color: var(--pitch);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-products .prod-masthead__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-products .grid-split,
  .page-products .grid-split--5-7 {
    align-items: start;
    gap: clamp(24px, 3vw, 44px);
  }
}

@media (min-width: 1024px) {
  .page-products .prod-lab__grid {
    grid-template-columns: var(--prod-index-w) minmax(0, 1fr);
    gap: var(--prod-gap);
  }

  .page-products .prod-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .filter-chip,
  .page-products .prod-index__list a,
  .page-products .prod-card__summary,
  .page-products .breadcrumb__list a {
    transition: none;
  }
}
<<<END>>>