.page-products {
  --pd-gap: clamp(20px, 4vw, 44px);
  --pd-cut: 20px;
  background: var(--ink);
  color: var(--paper);
  padding-bottom: 76px;
  overflow-x: hidden;
}

.page-products .container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--gut);
}

.page-products .breadcrumb {
  padding-block: 18px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cool);
}

.page-products .breadcrumb a {
  color: var(--cool);
  text-decoration: none;
}

.page-products .breadcrumb a:hover,
.page-products .breadcrumb a:focus-visible {
  color: var(--cyan);
}

.page-products .breadcrumb__sep {
  margin-inline: 8px;
  color: rgba(169, 182, 177, .45);
}

.page-products h1,
.page-products h2,
.page-products h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: .01em;
  margin: 0;
}

.page-products h1 {
  font-size: clamp(34px, 7.4vw, 76px);
  margin-block: 14px 18px;
}

.page-products h2 {
  font-size: clamp(26px, 5vw, 48px);
  margin-block: 12px 16px;
}

.page-products h3 {
  font-size: clamp(17px, 2.6vw, 21px);
  letter-spacing: .02em;
}

.page-products .lead {
  color: var(--cool);
  font-size: 16px;
  line-height: 1.75;
  max-width: 38em;
  margin: 0;
}

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

.page-products a:focus-visible,
.page-products summary:focus-visible,
.page-products [tabindex="0"]:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding-block: clamp(24px, 4vw, 48px) clamp(44px, 6vw, 88px);
  background:
    radial-gradient(110% 80% at 88% 0%, rgba(63, 240, 196, .16), transparent 62%),
    linear-gradient(180deg, var(--void), var(--ink) 66%);
  border-bottom: 1px solid var(--line);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: auto -10% -1px auto;
  width: 46%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan));
  opacity: .55;
}

.page-products .pd-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  align-items: center;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .pd-hero__actions .btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding-inline: 26px;
}

.page-products .pd-hero__meta {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--cool);
}

.page-products .pd-hero__meta li {
  display: flex;
  align-items: center;
  gap: 9px;
}

.page-products .pd-hero__meta li::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-products .pd-hero__preview {
  margin: 0;
  position: relative;
}

.page-products .pd-hero__preview img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--pd-cut)) 0, 100% var(--pd-cut), 100% 100%, 0 100%);
}

.page-products .pd-hero__preview figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(169, 182, 177, .82);
  padding-left: 14px;
  border-left: 2px solid var(--orange);
}

/* ---------- 章节骨架 ---------- */
.page-products .pd-sec {
  padding-block: clamp(48px, 8vw, 96px);
  border-bottom: 1px solid var(--line-soft);
}

.page-products .pd-sec--moss {
  background: linear-gradient(180deg, rgba(30, 58, 48, .55), rgba(11, 26, 22, .95));
}

.page-products .pd-sec__head {
  max-width: 720px;
  margin-bottom: clamp(28px, 5vw, 52px);
}

/* ---------- 端选择器 ---------- */
.page-products .pd-ends {
  position: relative;
}

.page-products .pd-ends__radio {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}

.page-products .pd-ends__tabs {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
  margin-bottom: 22px;
}

.page-products .pd-end {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 14px;
  align-items: center;
  padding: 16px 18px;
  cursor: pointer;
  background: var(--rock);
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, calc(100% - var(--pd-cut)) 0, 100% var(--pd-cut), 100% 100%, 0 100%);
  transition: background 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-products .pd-end:hover {
  background: var(--moss);
}

.page-products .pd-end__num {
  grid-row: span 2;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: rgba(169, 182, 177, .55);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-end__name {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-products .pd-end__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--cool);
}

.page-products #pd-end-desktop:checked ~ .pd-ends__tabs .pd-end[for="pd-end-desktop"],
.page-products #pd-end-mobile:checked ~ .pd-ends__tabs .pd-end[for="pd-end-mobile"],
.page-products #pd-end-web:checked ~ .pd-ends__tabs .pd-end[for="pd-end-web"] {
  background: var(--moss);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-products #pd-end-desktop:checked ~ .pd-ends__tabs .pd-end[for="pd-end-desktop"] .pd-end__num,
.page-products #pd-end-mobile:checked ~ .pd-ends__tabs .pd-end[for="pd-end-mobile"] .pd-end__num,
.page-products #pd-end-web:checked ~ .pd-ends__tabs .pd-end[for="pd-end-web"] .pd-end__num {
  color: var(--cyan);
}

.page-products #pd-end-desktop:focus-visible ~ .pd-ends__tabs .pd-end[for="pd-end-desktop"],
.page-products #pd-end-mobile:focus-visible ~ .pd-ends__tabs .pd-end[for="pd-end-mobile"],
.page-products #pd-end-web:focus-visible ~ .pd-ends__tabs .pd-end[for="pd-end-web"] {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-products .pd-endpanel {
  display: none;
  padding: clamp(20px, 3vw, 32px);
  background: var(--void);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pd-cut)), calc(100% - var(--pd-cut)) 100%, 0 100%);
}

.page-products #pd-end-desktop:checked ~ .pd-ends__panels .pd-endpanel[data-end="desktop"],
.page-products #pd-end-mobile:checked ~ .pd-ends__panels .pd-endpanel[data-end="mobile"],
.page-products #pd-end-web:checked ~ .pd-ends__panels .pd-endpanel[data-end="web"] {
  display: block;
}

.page-products .pd-endpanel h3 {
  color: var(--paper);
}

.page-products .pd-endpanel p {
  margin: 12px 0 0;
  color: var(--cool);
  font-size: 15px;
  line-height: 1.75;
  max-width: 40em;
}

.page-products .pd-endpanel__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-endpanel__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}

.page-products .pd-endpanel__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

.page-products .pd-endpanel__foot {
  margin-top: 20px !important;
  padding-top: 14px;
  border-top: 1px dashed var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: .04em;
  color: rgba(169, 182, 177, .8) !important;
}

/* ---------- 两步分镜 ---------- */
.page-products .pd-steps__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pd-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: clamp(18px, 3vw, 28px);
  background: var(--rock);
  border-left: 2px solid var(--cyan);
}

.page-products .pd-step__num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-products .pd-step__body h3 {
  color: var(--paper);
}

.page-products .pd-step__body p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool);
}

.page-products .pd-step__hot {
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: .04em;
  color: var(--orange) !important;
}

.page-products .pd-device {
  grid-column: 1 / -1;
  width: 100%;
  max-width: 132px;
  height: auto;
  justify-self: start;
}

.page-products .pd-steps__shot {
  margin: 26px 0 0;
}

.page-products .pd-steps__shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-soft);
}

.page-products .pd-steps__shot figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(169, 182, 177, .82);
}

/* ---------- 格式对比 ---------- */
.page-products .pd-ftable {
  border: 1px solid var(--line-soft);
  background: rgba(43, 51, 49, .45);
}

.page-products .pd-ftable__row {
  display: grid;
  gap: 6px;
  padding: 18px;
  border-bottom: 1px solid var(--line-soft);
  transition: background 200ms var(--ease);
}

.page-products .pd-ftable__row:last-child {
  border-bottom: none;
}

.page-products .pd-ftable__row--head {
  display: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cool);
  background: var(--void);
}

.page-products .pd-ftable__row:hover,
.page-products .pd-ftable__row:focus-visible {
  background: rgba(63, 240, 196, .07);
}

.page-products .pd-ftable__name {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: .06em;
  color: var(--paper);
}

.page-products .pd-ftable__row span:not(.pd-ftable__name):not(.pd-ftable__num) {
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool);
}

.page-products .pd-ftable__num {
  justify-self: start;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  color: var(--lime);
  background: rgba(5, 16, 13, .8);
  border: 1px solid rgba(140, 255, 107, .35);
}

.page-products .pd-formats__notes {
  margin-top: 24px;
}

.page-products .pd-note {
  padding: clamp(18px, 3vw, 26px);
  background: var(--moss);
  border: 1px solid var(--line-soft);
}

.page-products .pd-note h3 {
  color: var(--paper);
}

.page-products .pd-note p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool);
}

/* ---------- 数据摘要 ---------- */
.page-products .pd-data {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

.page-products .pd-data__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-products .pd-data__list li {
  padding: 7px 10px;
  background: rgba(43, 51, 49, .7);
  border-left: 2px solid rgba(140, 255, 107, .5);
}

.page-products .pd-data__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cool);
}

.page-products .pd-data__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 240, 196, .4);
}

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

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

.page-products .pd-data__shot img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--pd-cut) 100%, 0 calc(100% - var(--pd-cut)));
}

.page-products .pd-data__shot figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(169, 182, 177, .82);
}

/* ---------- 单手操作 ---------- */
.page-products .pd-thumb {
  background:
    radial-gradient(90% 70% at 20% 110%, rgba(255, 106, 43, .12), transparent 60%),
    var(--ink);
}

.page-products .pd-thumb__grid {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  align-items: center;
}

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

.page-products .pd-thumb__shot img {
  display: block;
  width: 100%;
  max-width: 380px;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-products .pd-thumb__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool);
  max-width: 40em;
}

.page-products .pd-thumb__diagram {
  position: relative;
  margin-top: 26px;
  height: 128px;
  border: 1px solid var(--line-soft);
  border-radius: 18px 18px 0 0;
  background: linear-gradient(180deg, rgba(30, 58, 48, .5), rgba(5, 16, 13, .9));
  overflow: hidden;
}

.page-products .pd-thumb__zone {
  position: absolute;
  inset: auto 0 0 0;
  height: 56px;
  background: rgba(63, 240, 196, .12);
  border-top: 1px dashed rgba(63, 240, 196, .45);
}

.page-products .pd-thumb__btn {
  position: absolute;
  bottom: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 32px;
  padding-inline: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  border-radius: 16px;
}

.page-products .pd-thumb__btn--a {
  left: 16px;
  width: 38%;
  color: var(--paper);
  background: rgba(169, 182, 177, .18);
  border: 1px solid rgba(169, 182, 177, .4);
}

.page-products .pd-thumb__btn--b {
  right: 16px;
  width: 42%;
  color: var(--void);
  background: var(--orange);
}

.page-products .pd-thumb__note {
  margin-top: 16px !important;
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: .03em;
  color: rgba(169, 182, 177, .8) !important;
}

/* ---------- 安装与更新 ---------- */
.page-products .pd-folds {
  display: grid;
  gap: 10px;
}

.page-products .pd-fold {
  background: rgba(43, 51, 49, .55);
  border: 1px solid var(--line-soft);
}

.page-products .pd-fold summary {
  cursor: pointer;
  padding: 16px 18px;
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: .02em;
  color: var(--paper);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
}

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

.page-products .pd-fold summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--cyan);
  font-size: 18px;
  line-height: 1;
}

.page-products .pd-fold[open] summary::before {
  content: "−";
}

.page-products .pd-fold__body {
  padding: 0 18px 18px 46px;
}

.page-products .pd-fold__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cool);
}

.page-products .pd-fold__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 240, 196, .4);
}

.page-products .pd-install__more {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(169, 182, 177, .85);
}

.page-products .pd-install__more a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 240, 196, .4);
  margin-inline: 2px;
}

/* ---------- 末尾 CTA ---------- */
.page-products .pd-cta {
  position: relative;
  isolation: isolate;
  padding-block: clamp(56px, 9vw, 110px);
  overflow: hidden;
}

.page-products .pd-cta__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
  opacity: .3;
  filter: saturate(.7);
}

.page-products .pd-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg, rgba(5, 16, 13, .95), rgba(5, 16, 13, .55));
}

.page-products .pd-cta__inner {
  max-width: 640px;
}

.page-products .pd-cta__lead {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--cool);
}

.page-products .pd-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .pd-cta__actions .btn {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  padding-inline: 26px;
}

/* ---------- 移动端拇指条 ---------- */
.page-products .pd-thumbbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  height: 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(5, 16, 13, .94);
  border-top: 1px solid var(--line);
  backdrop-filter: blur(6px);
}

.page-products .pd-thumbbar__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .08em;
  text-decoration: none;
  min-height: 44px;
}

.page-products .pd-thumbbar__btn--ghost {
  color: var(--paper);
  background: var(--moss);
  border: 1px solid var(--line-soft);
}

.page-products .pd-thumbbar__btn--main {
  color: var(--void);
  background: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-products .pd-ends__tabs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .pd-step {
    grid-template-columns: auto 1fr auto;
    align-items: start;
  }

  .page-products .pd-device {
    grid-column: 3;
    grid-row: 1;
    max-width: 110px;
  }

  .page-products .pd-ftable__row {
    grid-template-columns: .8fr 1.6fr 1.4fr .6fr;
    align-items: start;
    gap: 18px;
    padding: 20px 22px;
  }

  .page-products .pd-ftable__row--head {
    display: grid;
  }

  .page-products .pd-ftable__num {
    justify-self: start;
  }
}

@media (min-width: 900px) {
  .page-products {
    padding-bottom: 0;
  }

  .page-products .pd-thumbbar {
    display: none;
  }

  .page-products .pd-hero__grid {
    grid-template-columns: 1.02fr .98fr;
  }

  .page-products .pd-steps {
    display: grid;
    grid-template-columns: 1.15fr .85fr;
    gap: clamp(24px, 4vw, 48px);
    align-items: start;
  }

  .page-products .pd-steps__shot {
    margin-top: 0;
    position: sticky;
    top: 24px;
  }

  .page-products .pd-data {
    grid-template-columns: 1.1fr .9fr;
  }

  .page-products .pd-thumb__grid {
    grid-template-columns: .42fr 1fr;
    justify-items: start;
  }

  .page-products .pd-cta__inner {
    max-width: 560px;
  }
}

@media (min-width: 1100px) {
  .page-products .pd-ends__panels {
    padding-inline: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-end,
  .page-products .pd-ftable__row {
    transition: none;
  }
}
<<<END>>>
