.page-products {
  background: var(--abyss);
  color: var(--white);
  padding-block: clamp(24px, 4vw, 48px) clamp(56px, 8vw, 104px);
}

.page-products .breadcrumb {
  margin-bottom: clamp(20px, 4vw, 40px);
}

/* 首屏 */
.page-products .products-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--grid);
}

.page-products .products-hero__mark {
  position: absolute;
  top: -0.14em;
  right: 0;
  z-index: 0;
  font-family: var(--font-display);
  font-size: clamp(110px, 24vw, 220px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
  color: rgba(30, 70, 87, 0.32);
  -webkit-text-stroke: 1px var(--grid);
  pointer-events: none;
  user-select: none;
}

.page-products .products-hero .eyebrow,
.page-products .products-hero h1,
.page-products .products-hero__lede,
.page-products .products-hero__actions,
.page-products .products-hero__facts {
  position: relative;
  z-index: 1;
}

.page-products .products-hero .eyebrow {
  margin: 0;
  color: var(--signal);
}

.page-products .products-hero h1 {
  margin: 12px 0 0;
  max-width: 17em;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.2vw, 62px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-products .products-hero__lede {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 40em;
  font-size: clamp(15.5px, 1.9vw, 17.5px);
  line-height: 1.8;
  color: var(--mist);
}

.page-products .products-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .products-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-products .products-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 15px 16px;
  background: var(--trench);
}

.page-products .products-hero__facts .mono-label {
  color: var(--signal-dim);
}

.page-products .products-hero__facts strong {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 700;
  color: var(--white);
}

/* 主体布局 */
.page-products .products-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
  margin-top: clamp(32px, 5vw, 56px);
}

.page-products .products-index__label {
  margin: 0 0 10px;
  color: var(--signal);
}

.page-products .products-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
}

.page-products .products-index__list li {
  scroll-snap-align: start;
}

.page-products .products-index__link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 13px;
  font-size: 13.5px;
  white-space: nowrap;
  color: var(--mist);
  text-decoration: none;
  background: var(--trench);
  border: 1px solid var(--grid);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-products .products-index__link .mono-label {
  color: var(--signal-dim);
}

.page-products .products-index__link:hover,
.page-products .products-index__link:focus-visible {
  color: var(--white);
  background: var(--hull);
  border-color: var(--signal);
  outline: none;
}

.page-products .products-index__link:hover .mono-label,
.page-products .products-index__link:focus-visible .mono-label {
  color: var(--signal);
}

/* 区块 */
.page-products .products-block {
  padding-block: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--grid);
}

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

.page-products .products-block > * + * {
  margin-top: clamp(16px, 2.4vw, 22px);
}

.page-products .products-block__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--grid);
}

.page-products .products-block__head .mono-label {
  flex: none;
  color: var(--signal);
}

.page-products .products-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.6vw, 33px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.015em;
}

.page-products .products-block p {
  margin: 0;
  font-size: clamp(15px, 1.7vw, 16.5px);
  line-height: 1.8;
  color: var(--white);
}

.page-products .products-block p a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid var(--signal-dim);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .products-block p a:hover,
.page-products .products-block p a:focus-visible {
  color: var(--deep-cyan);
  border-bottom-color: var(--deep-cyan);
  outline: none;
}

/* 图片 */
.page-products figure {
  margin: 0;
}

.page-products .media__frame {
  overflow: hidden;
  background: var(--trench);
  border: 1px solid var(--grid);
}

.page-products .media--16x9 .media__frame {
  aspect-ratio: 16 / 9;
}

.page-products .media--4x3 .media__frame {
  aspect-ratio: 4 / 3;
}

.page-products .media--1x1 .media__frame {
  aspect-ratio: 1 / 1;
}

.page-products .media--21x9 .media__frame {
  aspect-ratio: 21 / 9;
}

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

.page-products .media__caption {
  padding: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  line-height: 1.6;
  color: var(--mist);
}

/* 三步轨道 */
.page-products .products-track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--grid);
  border: 1px solid var(--grid);
}

.page-products .products-step {
  position: relative;
  padding: 22px 18px 24px;
  background: var(--trench);
}

.page-products .products-step::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--signal), rgba(63, 242, 208, 0));
}

.page-products .products-step__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-products .products-step h3 {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 17.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-products .products-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* 三条航道 */
.page-products .products-lanes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .products-lane {
  padding: 18px 18px 20px;
  background: linear-gradient(155deg, var(--hull), var(--trench) 72%);
  border: 1px solid var(--grid);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-products .products-lane__bar {
  width: 34px;
  height: 3px;
  margin-bottom: 14px;
  background: var(--signal);
}

.page-products .products-lane:nth-child(2) .products-lane__bar {
  background: var(--deep-cyan);
}

.page-products .products-lane:nth-child(3) .products-lane__bar {
  background: var(--coral);
}

.page-products .products-lane h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-products .products-lane p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* 要点列表 */
.page-products .products-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .products-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

.page-products .products-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: rgba(63, 242, 208, 0.18);
  border: 1px solid var(--signal);
}

/* 版本表 */
.page-products .products-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--grid);
}

.page-products .products-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-products .products-table th,
.page-products .products-table td {
  padding: 13px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--grid);
}

.page-products .products-table thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--mist);
  background: var(--hull);
}

.page-products .products-table tbody td {
  line-height: 1.7;
  color: var(--white);
}

.page-products .products-table tbody td:first-child {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--signal);
  white-space: nowrap;
}

.page-products .products-table tbody tr {
  transition: background var(--dur) var(--ease);
}

.page-products .products-table tbody tr:hover {
  background: rgba(63, 242, 208, 0.07);
}

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

/* 排查折叠 */
.page-products .products-check {
  background: var(--trench);
  border: 1px solid var(--grid);
}

.page-products .products-check details {
  border-bottom: 1px solid var(--grid);
}

.page-products .products-check details:last-child {
  border-bottom: 0;
}

.page-products .products-check summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

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

.page-products .products-check summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--signal);
}

.page-products .products-check details[open] summary::after {
  content: "−";
}

.page-products .products-check summary:hover,
.page-products .products-check summary:focus-visible,
.page-products .products-check details[open] summary {
  background: var(--hull);
  color: var(--signal);
  outline: none;
}

.page-products .products-check__num {
  flex: none;
  color: var(--signal-dim);
}

.page-products .products-check__body {
  padding: 2px 16px 18px;
}

.page-products .products-check__body ol {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
}

.page-products .products-check__body li {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--mist);
}

/* 收尾 */
.page-products .products-close {
  margin-top: clamp(32px, 5vw, 56px);
  padding: clamp(24px, 4vw, 40px);
  background: linear-gradient(125deg, var(--hull), var(--trench) 68%);
  border: 1px solid var(--signal-dim);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-products .products-close h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.page-products .products-close p {
  margin: 12px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-products .products-close__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-products .btn[data-copied] {
  box-shadow: 0 0 0 2px rgba(255, 200, 87, 0.45);
}

@media (min-width: 640px) {
  .page-products .products-hero__facts {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 760px) {
  .page-products .products-track {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-products .products-lanes {
    gap: 14px;
  }
}

@media (min-width: 780px) {
  .page-products .products-lanes {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-products .products-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    column-gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-products .products-index {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-products .products-index__list {
    flex-direction: column;
    gap: 3px;
    padding-bottom: 0;
    overflow: visible;
    border-left: 1px solid var(--grid);
  }

  .page-products .products-index__link {
    margin-left: -1px;
    padding: 8px 12px;
    white-space: normal;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
  }

  .page-products .products-index__link:hover,
  .page-products .products-index__link:focus-visible {
    background: var(--trench);
    border-left-color: var(--signal);
  }

  .page-products .products-hero__lede {
    max-width: 42em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .products-index__link,
  .page-products .products-table tbody tr,
  .page-products .products-check summary {
    transition: none;
  }
}
<<<END>>>