.page-products {
  --pd-gap: clamp(56px, 8vw, 104px);
  --pd-hair: rgba(201, 211, 218, 0.22);
  --pd-pad: clamp(18px, 2.4vw, 28px);
  background:
    radial-gradient(1100px 620px at 84% -8%, rgba(62, 134, 181, 0.20), transparent 62%),
    radial-gradient(760px 480px at 4% 34%, rgba(176, 122, 60, 0.10), transparent 68%),
    var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

.page-products .pd-breadcrumb-bar {
  padding: 26px 0 0;
}

.page-products .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-products .breadcrumbs__link {
  color: var(--copper-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .breadcrumbs__link:hover {
  color: var(--ice);
  border-bottom-color: var(--ice);
}

.page-products .breadcrumbs__item {
  color: var(--slate);
}

.page-products .breadcrumbs__item::before {
  content: "/";
  margin-right: 10px;
  color: rgba(201, 211, 218, 0.4);
}

/* ---------- 框景首屏 ---------- */

.page-products .pd-hero {
  padding: clamp(28px, 4vw, 52px) 0 0;
}

.page-products .pd-hero__frame {
  position: relative;
  border: 1px solid var(--pd-hair);
  background: linear-gradient(158deg, rgba(18, 40, 63, 0.94), rgba(11, 26, 43, 0.7) 56%, rgba(18, 40, 63, 0.88));
  padding: 30px 0 0;
}

.page-products .pd-hero__frame::before,
.page-products .pd-hero__frame::after {
  content: "";
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid var(--copper-2);
}

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

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

.page-products .pd-hero__ticks {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background-image: repeating-linear-gradient(90deg, var(--copper) 0 2px, transparent 2px 18px);
  opacity: 0.7;
  pointer-events: none;
}

.page-products .pd-hero__inner {
  display: grid;
  gap: 30px;
  padding: 30px var(--pd-pad) 26px;
}

.page-products .pd-hero__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.2vw, 56px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
  max-width: 19ch;
  color: var(--text);
}

.page-products .pd-hero__lead {
  margin: 20px 0 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  color: rgba(247, 250, 252, 0.8);
  max-width: 56ch;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .pd-window {
  position: relative;
  background: var(--ink-2);
  border: 1px solid var(--pd-hair);
  border-top: 3px solid var(--copper);
  padding: 20px 18px 22px;
  overflow: hidden;
}

.page-products .pd-window__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pd-hair);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
}

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

.page-products .pd-window__list li {
  display: grid;
  gap: 5px;
  padding: 13px 0;
  border-bottom: 1px dashed rgba(201, 211, 218, 0.18);
}

.page-products .pd-window__key {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--copper-2);
}

.page-products .pd-window__val {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-products .pd-window__note {
  margin: 16px 0 0;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ice);
}

.page-products .pd-window__tape {
  position: absolute;
  right: -46px;
  bottom: -46px;
  width: 130px;
  height: 130px;
  background: repeating-linear-gradient(45deg, rgba(176, 122, 60, 0.26) 0 6px, transparent 6px 15px);
  pointer-events: none;
}

.page-products .pd-hero__map {
  padding: 6px var(--pd-pad) 24px;
}

.page-products .pd-hero__map img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  border: 1px solid var(--pd-hair);
  filter: saturate(0.55) contrast(1.05) brightness(0.86);
}

/* ---------- 索引轴与整体布局 ---------- */

.page-products .pd-layout {
  padding-top: var(--pd-gap);
  display: grid;
  gap: 28px;
}

.page-products .pd-axis {
  border-top: 4px solid var(--copper);
}

.page-products .pd-axis .axis__list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-products .pd-axis .axis__item {
  flex: 0 0 auto;
}

.page-products .pd-axis .axis__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid transparent;
  color: var(--slate);
  text-decoration: none;
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .pd-axis .axis__index {
  font-size: 11px;
  color: var(--copper);
}

.page-products .pd-axis .axis__dot {
  width: 6px;
  height: 6px;
  background: var(--slate);
  transition: background 200ms var(--ease);
}

.page-products .pd-axis .axis__link:hover,
.page-products .pd-axis .axis__link:focus-visible {
  color: var(--text);
  border-color: var(--pd-hair);
}

.page-products .pd-axis .axis__link.is-active {
  color: var(--text);
  border-color: var(--copper);
}

.page-products .pd-axis .axis__link.is-active .axis__dot {
  background: var(--copper-2);
}

.page-products .pd-axis__label {
  font-family: var(--font-sans);
  font-size: 13px;
  white-space: nowrap;
}

/* ---------- 章节通用 ---------- */

.page-products .pd-section {
  padding-top: var(--pd-gap);
}

.page-products .pd-layout__main > .pd-section:first-child {
  padding-top: 0;
}

.page-products .section-head__index {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--copper-2);
}

.page-products .section-head__title {
  font-family: var(--font-display);
  font-size: clamp(23px, 3.4vw, 36px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 10px 0 0;
  color: var(--text);
  max-width: 24ch;
}

.page-products .section-head__lead {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 250, 252, 0.76);
  max-width: 60ch;
}

.page-products .text-link {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(127, 196, 232, 0.45);
  transition: color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-products .text-link:hover {
  color: var(--copper-2);
  border-bottom-color: var(--copper-2);
}

/* ---------- 数字摘要 ---------- */

.page-products .pd-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 30px;
  background: var(--pd-hair);
  border: 1px solid var(--pd-hair);
}

.page-products .pd-stats .stat {
  display: grid;
  gap: 6px;
  padding: 18px 16px;
  background: var(--ink-2);
}

.page-products .pd-stats .stat__value {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1.2;
  color: var(--copper-2);
}

.page-products .pd-stats .stat__label {
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 覆盖地图 ---------- */

.page-products .pd-map {
  margin-top: 34px;
  border-top: 1px solid var(--pd-hair);
}

.page-products .pd-map__block {
  border-bottom: 1px solid var(--pd-hair);
  border-left: 3px solid var(--slate);
}

.page-products .pd-map__block--copper {
  border-left-color: var(--copper);
}

.page-products .pd-map__block--ice {
  border-left-color: var(--ice);
}

.page-products .pd-map__head {
  margin: 0;
  font-weight: 400;
}

.page-products .pd-map__trigger {
  width: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 18px 14px;
  background: transparent;
  border: 0;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 200ms var(--ease);
}

.page-products .pd-map__trigger:hover {
  background: rgba(107, 126, 140, 0.12);
}

.page-products .pd-map__no {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--copper-2);
}

.page-products .pd-map__name {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.page-products .pd-map__meta {
  display: none;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-products .pd-map__case {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(247, 250, 252, 0.82);
}

/* ---------- 可展开组件 ---------- */

.page-products .accordion__trigger {
  width: 100%;
  background: transparent;
  border: 0;
  color: var(--text);
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-products .accordion__arrow {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 1px solid var(--copper-2);
  border-bottom: 1px solid var(--copper-2);
  transform: rotate(45deg);
  transition: transform 240ms var(--ease);
}

.page-products .accordion__trigger[aria-expanded="true"] .accordion__arrow {
  transform: rotate(-135deg);
}

.page-products .accordion__trigger[aria-expanded="false"] + .accordion__panel {
  display: none;
}

.page-products .accordion__body {
  padding: 0 16px 20px 16px;
  border-top: 1px dashed rgba(201, 211, 218, 0.16);
  padding-top: 16px;
}

.page-products .pd-fold {
  margin-top: 26px;
  border-top: 1px solid var(--pd-hair);
}

.page-products .pd-fold .accordion__item {
  border-bottom: 1px solid var(--pd-hair);
}

.page-products .pd-fold__head {
  margin: 0;
  font-weight: 400;
}

.page-products .pd-fold__trigger {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 16px 14px;
  transition: background 200ms var(--ease);
}

.page-products .pd-fold__trigger:hover {
  background: rgba(107, 126, 140, 0.12);
}

.page-products .pd-fold__name {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
}

.page-products .pd-numlist {
  list-style: none;
  counter-reset: pdn;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pd-numlist li {
  position: relative;
  padding-left: 34px;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 250, 252, 0.84);
}

.page-products .pd-numlist li::before {
  counter-increment: pdn;
  content: counter(pdn, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--copper-2);
}

/* ---------- 两条客户端线路 ---------- */

.page-products .pd-line__grid {
  display: grid;
  gap: 28px;
  margin-top: 30px;
}

.page-products .pd-figure {
  margin: 0;
}

.page-products .pd-figure .image-frame__canvas {
  border: 1px solid var(--pd-hair);
  overflow: hidden;
}

.page-products .pd-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.5) contrast(1.05) brightness(0.9);
}

.page-products .pd-figure .image-frame__caption {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-products .pd-line__panel {
  background: var(--ink-2);
  border: 1px solid var(--pd-hair);
  border-top: 3px solid var(--copper);
  padding: 20px 18px;
}

.page-products .pd-line__panel--ice {
  border-top-color: var(--ice);
}

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

.page-products .pd-points li {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 250, 252, 0.86);
  overflow-wrap: anywhere;
}

.page-products .pd-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 10px;
  height: 1px;
  background: var(--copper-2);
}

.page-products .pd-points--ice li::before {
  background: var(--ice);
}

.page-products .ledger {
  margin-top: 24px;
  border-top: 1px solid var(--pd-hair);
}

.page-products .ledger__row {
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--pd-hair);
}

.page-products .ledger__row:nth-child(odd) {
  background: rgba(107, 126, 140, 0.12);
}

.page-products .ledger__key {
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--text);
}

.page-products .ledger__value {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-products .ledger__value .mono {
  font-family: var(--font-mono);
  color: var(--copper-2);
}

.page-products .pd-trio {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pd-hair);
  border: 1px solid var(--pd-hair);
}

.page-products .pd-trio__item {
  background: var(--ink);
  padding: 18px 16px;
}

.page-products .pd-trio__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-products .pd-trio__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--text);
}

.page-products .pd-trio__text {
  margin: 8px 0 0;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(247, 250, 252, 0.76);
}

.page-products .pd-inline-link {
  margin: 22px 0 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 250, 252, 0.8);
}

/* ---------- 入口校验 ---------- */

.page-products .pd-figure--wide {
  margin-top: 30px;
}

.page-products .pd-verify {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--pd-hair);
  border: 1px solid var(--pd-hair);
}

.page-products .pd-panel {
  background: var(--ink-2);
  padding: 22px 18px;
  border-left: 3px solid var(--ice);
}

.page-products .pd-panel--paper {
  background: var(--paper);
  border-left-color: var(--copper);
}

.page-products .pd-panel__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--text);
}

.page-products .pd-panel__title--ink {
  color: var(--ink);
}

.page-products .pd-paper-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-products .pd-paper-list li {
  position: relative;
  padding-left: 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink);
}

.page-products .pd-paper-list li::before {
  content: "＋";
  position: absolute;
  left: 0;
  color: var(--copper);
}

.page-products .pd-panel__note {
  margin: 16px 0 0;
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.7;
  color: #3c4a55;
}

/* ---------- 远程协助 ---------- */

.page-products .pd-remote {
  display: grid;
  gap: 32px;
  margin-top: 30px;
}

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

.page-products .pd-steps li {
  position: relative;
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding-bottom: 26px;
}

.page-products .pd-steps li:last-child {
  padding-bottom: 0;
}

.page-products .pd-steps li::before {
  content: "";
  position: absolute;
  left: 22px;
  top: 46px;
  bottom: 0;
  width: 1px;
  background: var(--pd-hair);
}

.page-products .pd-steps li:last-child::before {
  display: none;
}

.page-products .pd-step__no {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border: 1px solid var(--copper);
  background: var(--ink);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--copper-2);
}

.page-products .pd-step__title {
  margin: 2px 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--text);
}

.page-products .pd-step__body p {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 250, 252, 0.8);
}

.page-products .pd-callout {
  margin: 28px 0 0;
  padding: 16px 18px;
  background: rgba(107, 126, 140, 0.14);
  border-left: 3px solid var(--ice);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.75;
  color: rgba(247, 250, 252, 0.84);
}

/* ---------- 其他情况 ---------- */

.page-products .pd-alt {
  display: grid;
  gap: 1px;
  margin-top: 30px;
  background: var(--pd-hair);
  border: 1px solid var(--pd-hair);
}

.page-products .pd-alt__item {
  background: var(--ink);
  border-left: 2px solid var(--copper);
  padding: 20px 18px;
}

.page-products .pd-alt__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--text);
}

.page-products .pd-alt__item p {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.78;
  color: rgba(247, 250, 252, 0.78);
}

.page-products .pd-next {
  margin-top: 40px;
  padding: 22px 18px;
  border: 1px solid var(--pd-hair);
  border-top: 4px solid var(--copper);
  background: linear-gradient(180deg, rgba(18, 40, 63, 0.7), rgba(11, 26, 43, 0.4));
}

.page-products .pd-next__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pd-next__list li {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.7;
}

.page-products .pd-next__list .text-link {
  border-bottom-width: 1px;
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 640px) {
  .page-products .pd-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pd-ledger .ledger__row {
    grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

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

  .page-products .pd-verify {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

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

  .page-products .pd-map__meta {
    display: inline;
  }

  .page-products .pd-map__trigger {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    padding: 20px 18px;
  }
}

@media (min-width: 960px) {
  .page-products .pd-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    padding: 52px 40px 40px;
  }

  .page-products .pd-hero__map {
    padding: 0 40px 34px;
  }

  .page-products .pd-hero__map img {
    max-height: 380px;
  }

  .page-products .pd-line__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pd-line__grid--reverse {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-products .pd-line__grid--reverse .pd-figure--right {
    order: 2;
  }

  .page-products .pd-remote {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }

  .page-products .pd-figure--tall {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }
}

@media (min-width: 1040px) {
  .page-products .pd-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-products .pd-axis {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-products .pd-axis .axis__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-top: 16px;
  }

  .page-products .pd-axis .axis__link {
    width: 100%;
    padding: 10px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .accordion__arrow,
  .page-products .pd-axis .axis__link,
  .page-products .text-link,
  .page-products .breadcrumbs__link {
    transition: none;
  }
}
<<<END>>>