.page-products {
  --pd-rail-w: 248px;
  --pd-gap: clamp(22px, 3.4vw, 54px);
  --pd-border: #1C4437;
  display: block;
  color: var(--chalk);
  overflow-x: clip;
}

.page-products img {
  max-width: 100%;
}

/* ---------- 面包屑 ---------- */
.page-products .breadcrumb {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-products .breadcrumb ol {
  list-style: none;
  margin: 0 0 clamp(14px, 2vw, 26px);
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0 10px;
  color: var(--mist);
}

.page-products .breadcrumb a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast) var(--ease);
}

.page-products .breadcrumb a:hover {
  border-bottom-color: var(--cyan);
}

.page-products .breadcrumb li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--grid);
}

.page-products .breadcrumb li[aria-current="page"] {
  color: var(--chalk);
}

/* ---------- 不对称分栏骨架 ---------- */
.page-products .pd-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pd-gap);
  align-items: start;
}

.page-products .pd-canvas {
  min-width: 0;
  background-image:
    linear-gradient(to right, var(--grid-faint) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-faint) 1px, transparent 1px);
  background-size: 96px 96px;
}

/* ---------- 左侧版本索引 ---------- */
.page-products .pd-rail {
  min-width: 0;
  border-top: 2px solid var(--pd-border);
  padding-top: 16px;
}

.page-products .pd-rail__group + .pd-rail__group {
  margin-top: 26px;
}

.page-products .pd-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-products .pd-rail__list,
.page-products .pd-rail__toc {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--grid);
}

.page-products .pd-rail__list a,
.page-products .pd-rail__toc a {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 7px 8px 7px 10px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: var(--mist);
  font-size: 13px;
  line-height: 1.5;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

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

.page-products .pd-rail__list a:hover,
.page-products .pd-rail__toc a:hover {
  color: var(--chalk);
  border-left-color: var(--cyan);
  background: var(--cyan-12);
}

.page-products .pd-rail__no {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.04em;
}

.page-products .pd-rail__list a.is-now {
  color: var(--chalk);
  border-left-color: var(--amber);
  background: var(--amber-20);
}

.page-products .pd-rail__list a.is-now .pd-rail__no {
  font-weight: 700;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding: clamp(18px, 3vw, 40px) 0 clamp(34px, 5vw, 70px);
}

.page-products .pd-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
}

.page-products .pd-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.2vw, 76px);
  line-height: 1.06;
  letter-spacing: -0.012em;
  transform: skewX(-2deg);
  transform-origin: left bottom;
  color: var(--chalk);
}

.page-products .pd-hero__lead {
  margin: 0;
  max-width: 42em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.95;
  color: var(--chalk);
  opacity: 0.9;
}

.page-products .pd-hero__facts {
  list-style: none;
  margin: clamp(24px, 3.4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--grid-faint);
  border: 1px solid var(--grid-faint);
}

.page-products .pd-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 16px;
  background: var(--pitch);
}

.page-products .pd-hero__facts b {
  font-family: var(--font-data);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-products .pd-hero__facts span {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 图片容器 ---------- */
.page-products .pd-shot {
  margin: 0;
  min-width: 0;
}

.page-products .pd-shot__media {
  overflow: hidden;
  border: 2px solid var(--pd-border);
  box-shadow: var(--shadow-hard);
  background: var(--ink-abyss);
}

.page-products .pd-shot__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.06) brightness(0.88);
}

.page-products .pd-shot--r43 .pd-shot__media { aspect-ratio: 4 / 3; }
.page-products .pd-shot--r75 .pd-shot__media { aspect-ratio: 10 / 7; }
.page-products .pd-shot--r11 .pd-shot__media { aspect-ratio: 1 / 1; }
.page-products .pd-shot--wide .pd-shot__media { aspect-ratio: 16 / 6; }

.page-products .figure__caption {
  margin-top: 10px;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 净胜球滑块 ---------- */
.page-products .frame {
  border: 2px solid var(--pd-border);
  box-shadow: var(--shadow-hard);
  background: var(--ink);
}

.page-products .pd-slider {
  margin-top: clamp(22px, 3.2vw, 46px);
}

.page-products .pd-slider .frame__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--pd-border);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan-soft);
}

.page-products .pd-slider__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 36px);
  padding: clamp(18px, 2.6vw, 34px);
  align-items: center;
}

.page-products .pd-slider__label {
  display: block;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .pd-slider__input {
  -webkit-appearance: none;
  appearance: none;
  display: block;
  width: 100%;
  height: 14px;
  margin: 22px 0 10px;
  background: linear-gradient(90deg, var(--grid) 0%, var(--cyan) 100%);
  border: 1px solid var(--pd-border);
  cursor: pointer;
}

.page-products .pd-slider__input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 32px;
  border: 2px solid var(--ink-abyss);
  border-radius: 0;
  background: var(--amber);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.55);
  cursor: grab;
}

.page-products .pd-slider__input::-webkit-slider-thumb:active {
  cursor: grabbing;
}

.page-products .pd-slider__input::-moz-range-track {
  height: 14px;
  border: 1px solid var(--pd-border);
  background: linear-gradient(90deg, var(--grid) 0%, var(--cyan) 100%);
}

.page-products .pd-slider__input::-moz-range-thumb {
  width: 22px;
  height: 30px;
  border: 2px solid var(--ink-abyss);
  border-radius: 0;
  background: var(--amber);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.55);
  cursor: grab;
}

.page-products .pd-slider__input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 8px;
}

.page-products .pd-slider__scale {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .pd-slider__readout {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  font-size: 15px;
  line-height: 1.95;
  color: var(--chalk);
}

/* ---------- 分区通用 ---------- */
.page-products .section {
  padding: clamp(42px, 6.4vw, 92px) 0;
  border-top: 1px solid var(--grid-faint);
}

.page-products .section__head {
  max-width: 46em;
  margin-bottom: clamp(22px, 3vw, 40px);
}

.page-products .section__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 42px);
  line-height: 1.2;
  letter-spacing: -0.008em;
  color: var(--chalk);
}

.page-products .section__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--mist);
}

/* ---------- 三块读数 ---------- */
.page-products .pd-cap__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 42px);
  padding: clamp(22px, 3.4vw, 44px) 0;
  border-bottom: 1px dashed var(--grid);
}

.page-products .pd-cap__row:last-child {
  border-bottom: 0;
}

.page-products .pd-cap__item h3,
.page-products .pd-form-panel__text h3,
.page-products .pd-steps__item h3 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.35;
  color: var(--chalk);
}

.page-products .pd-cap__item p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--mist);
}

.page-products .pd-cap__item a,
.page-products .pd-steps__item a,
.page-products .pd-cap__side-note a,
.page-products .index-group__body a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-30);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-products .pd-cap__item a:hover,
.page-products .pd-steps__item a:hover,
.page-products .pd-cap__side-note a:hover,
.page-products .index-group__body a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-products .pd-cap__aside {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}

.page-products .pd-ring {
  position: relative;
  width: min(232px, 62vw);
}

.page-products .pd-ring svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .pd-ring__track {
  fill: none;
  stroke: var(--grid-faint);
  stroke-width: 10;
}

.page-products .pd-ring__arc {
  fill: none;
  stroke-width: 10;
  transform: rotate(-90deg);
  transform-origin: 60px 60px;
}

.page-products .pd-ring__arc--a { stroke: var(--cyan); }
.page-products .pd-ring__arc--b { stroke: var(--amber); }

.page-products .pd-ring__center {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  text-align: center;
}

.page-products .pd-ring__num {
  font-family: var(--font-data);
  font-size: clamp(28px, 5.4vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--chalk);
}

.page-products .pd-ring__cap {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-products .pd-cap__side-note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--mist);
}

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

.page-products .pd-ledger li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px dashed var(--grid);
}

.page-products .pd-ledger__label {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .pd-ledger__num {
  font-family: var(--font-data);
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

/* ---------- 三种形态 ---------- */
.page-products .pd-forms__figure {
  margin-bottom: clamp(22px, 3vw, 40px);
}

.page-products .pd-forms {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .pd-forms .switch__btn {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.12em;
  padding: 11px 18px;
  border: 1px solid var(--pd-border);
  border-radius: 0;
  background: var(--ink);
  color: var(--mist);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-products .pd-forms .switch__btn:hover {
  color: var(--chalk);
  border-color: var(--cyan-30);
}

.page-products .pd-forms .switch__btn[aria-selected="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--pitch);
  box-shadow: var(--shadow-soft);
}

.page-products .pd-forms .switch__panel {
  flex: 1 0 100%;
  margin-top: clamp(16px, 2.4vw, 30px);
}

.page-products .pd-form-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.6vw, 40px);
  padding: clamp(18px, 2.8vw, 34px);
  background: var(--ink);
  border-left: 3px solid var(--cyan);
}

.page-products .pd-form-panel--mobile { border-left-color: var(--cyan-soft); }
.page-products .pd-form-panel--offline { border-left-color: var(--amber); }

.page-products .pd-form-panel__art {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  background: var(--pitch);
  border: 1px solid var(--grid-faint);
}

.page-products .pd-form-svg {
  width: 100%;
  max-width: 260px;
  height: auto;
  color: var(--cyan);
  opacity: 0.9;
}

.page-products .pd-form-panel--offline .pd-form-svg { color: var(--amber); }
.page-products .pd-form-panel--mobile .pd-form-svg { color: var(--cyan-soft); }

.page-products .pd-form-panel__text h3 {
  margin-top: 0;
}

.page-products .pd-form-panel__text p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--mist);
}

/* ---------- 快照包覆盖范围 ---------- */
.page-products .pd-snap {
  margin-top: clamp(26px, 3.6vw, 48px);
  padding-top: clamp(18px, 2.6vw, 30px);
  border-top: 1px solid var(--grid-faint);
}

.page-products .pd-snap__title {
  margin: 0 0 16px;
  display: block;
}

.page-products .index-group {
  border: 1px solid var(--pd-border);
  background: var(--ink);
  margin-bottom: 10px;
}

.page-products .index-group__summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--chalk);
  transition: background-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

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

.page-products .index-group__summary:hover {
  background: var(--cyan-12);
}

.page-products .index-group__no {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-products .index-group[open] {
  border-color: var(--cyan);
  box-shadow: var(--shadow-soft);
}

.page-products .index-group__body {
  padding: 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.95;
  color: var(--mist);
}

/* ---------- 版本演进 ---------- */
.page-products .pd-ver__figure {
  margin-bottom: clamp(24px, 3.4vw, 44px);
  max-width: 420px;
}

.page-products .pd-ver {
  list-style: none;
  position: relative;
  margin: 0;
  padding: 0;
}

.page-products .pd-ver::before {
  content: "";
  position: absolute;
  left: 27px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--grid);
}

.page-products .pd-ver__item {
  position: relative;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: clamp(12px, 2vw, 28px);
  padding: 18px 0;
}

.page-products .pd-ver__no {
  display: block;
  padding: 5px 0;
  text-align: center;
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--mist);
  background: var(--pitch);
  border: 1px solid var(--pd-border);
  height: min-content;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease);
}

.page-products .pd-ver__item[data-active="true"] .pd-ver__no {
  color: var(--amber);
  border-color: var(--amber);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.5);
}

.page-products .pd-ver__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 20px);
  line-height: 1.4;
  color: var(--chalk);
}

.page-products .pd-ver__text {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--mist);
}

.page-products .pd-ver__body .anno {
  display: block;
  margin: 0;
}

/* ---------- 校验步骤 ---------- */
.page-products .pd-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2.2vw, 26px);
}

.page-products .pd-steps__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding-top: 16px;
  border-top: 2px solid var(--pd-border);
}

.page-products .pd-steps__no {
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-products .pd-steps__item h3 {
  margin-top: 0;
}

.page-products .pd-steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--mist);
}

/* ---------- 常见顾虑 ---------- */
.page-products .pd-concerns {
  display: grid;
  gap: 10px;
}

.page-products .pd-concerns .index-group__summary {
  font-size: 16px;
}

/* ---------- 尾段 ---------- */
.page-products .pd-tail {
  border-top: 1px solid var(--grid-faint);
}

.page-products .pd-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 34px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    align-items: end;
  }

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

  .page-products .pd-slider__body {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 880px) {
  .page-products .pd-cap__row--a {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-products .pd-cap__row--b {
    grid-template-columns: minmax(0, 3fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-products .pd-form-panel {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
  }

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

@media (min-width: 920px) {
  .page-products .pd-layout {
    grid-template-columns: var(--pd-rail-w) minmax(0, 1fr);
  }

  .page-products .pd-rail {
    position: sticky;
    top: 96px;
    align-self: start;
    max-height: calc(100vh - 128px);
    overflow-y: auto;
    padding-right: 6px;
  }

  .page-products .pd-canvas {
    padding-left: var(--pd-gap);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
<<<END>>>