.page-products {
  --pd-cut: 14px;
  --pd-line: rgba(169, 183, 203, .16);
}

.page-products .qm-media {
  margin: 0;
  overflow: hidden;
}

.page-products .qm-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pd-cut)), calc(100% - var(--pd-cut)) 100%, 0 100%);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  padding: 8px 0 0;
}

.page-products .pd-hero__grid {
  display: grid;
  gap: 34px;
  align-items: center;
}

.page-products .pd-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(32px, 7vw, 74px);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.page-products .pd-hero__copy .qm-lede {
  max-width: 46ch;
}

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

.page-products .pd-statline {
  list-style: none;
  margin: 38px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--qm-line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 14px;
}

.page-products .pd-statline li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-products .pd-statline .qm-mono {
  font-size: clamp(22px, 4vw, 34px);
  letter-spacing: 0.04em;
  color: var(--qm-mint);
}

.page-products .pd-statline li > span:last-child {
  font-size: 13px;
  line-height: 1.5;
  color: var(--qm-mist);
}

/* ---------- 入口与设备 ---------- */
.page-products .pd-access__grid {
  display: grid;
  gap: 34px;
  align-items: start;
}

.page-products .pd-access__copy h2 {
  margin: 12px 0 16px;
}

.page-products .pd-devicelist {
  list-style: none;
  margin: 24px 0 26px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-products .pd-devicelist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0 0;
  border-top: 1px solid rgba(169, 183, 203, .1);
}

.page-products .pd-devicelist__tag {
  font-family: var(--qm-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--qm-flare);
  padding-top: 3px;
  white-space: nowrap;
}

.page-products .pd-devicelist li > span:last-child {
  font-size: 15px;
  line-height: 1.8;
  color: var(--qm-mist);
}

.page-products .pd-copy {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-products .qm-copy__status {
  font-family: var(--qm-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--qm-mint);
}

/* ---------- 章节头 ---------- */
.page-products .pd-secthead {
  max-width: 720px;
}

.page-products .pd-secthead h2 {
  margin: 12px 0 14px;
  font-size: clamp(26px, 4.4vw, 44px);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-products .pd-secthead__lede {
  font-size: 16px;
  line-height: 1.85;
  color: var(--qm-mist);
  margin: 0;
}

.page-products .pd-secthead--center {
  max-width: 660px;
  margin: 0 auto;
  text-align: center;
}

.page-products .pd-secthead--center .qm-eyebrow {
  justify-content: center;
}

/* ---------- 六大模块 ---------- */
.page-products .pd-modules__top {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-products .pd-modules__media {
  filter: saturate(1.05);
}

.page-products .pd-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 38px;
}

.page-products .pd-module {
  position: relative;
  padding: 22px 20px 18px;
  background: linear-gradient(158deg, rgba(23, 48, 77, .78), rgba(13, 27, 47, .92));
  clip-path: polygon(0 0, calc(100% - var(--pd-cut)) 0, 100% var(--pd-cut), 100% 100%, var(--pd-cut) 100%, 0 calc(100% - var(--pd-cut)));
  transition: transform .35s var(--qm-ease), background .35s var(--qm-ease);
}

.page-products .pd-module::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 42%;
  height: 2px;
  background: linear-gradient(90deg, var(--qm-flare), transparent);
}

.page-products .pd-module:hover {
  transform: translateY(-4px);
  background: linear-gradient(158deg, rgba(31, 64, 99, .9), rgba(13, 27, 47, .96));
}

.page-products .pd-module__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--qm-mint);
}

.page-products .pd-module__title {
  margin: 9px 0 10px;
  font-size: 20px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--qm-paper);
}

.page-products .pd-module__brief {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--qm-mist);
}

.page-products .pd-module__more {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid rgba(169, 183, 203, .1);
}

.page-products .pd-module__more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--qm-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--qm-mint);
  transition: color .25s var(--qm-ease);
}

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

.page-products .pd-module__more summary::after {
  content: " +";
}

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

.page-products .pd-module__more summary:hover {
  color: var(--qm-flare);
}

.page-products .pd-module__more p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--qm-mist);
}

/* ---------- 新用户预览 ---------- */
.page-products .pd-preview .qm-container {
  display: flex;
  flex-direction: column;
}

.page-products .pd-steps {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-products .pd-step {
  position: relative;
  padding: 22px 20px;
  background: rgba(13, 27, 47, .72);
  border-left: 2px solid var(--qm-mint);
  transition: border-color .3s var(--qm-ease), background .3s var(--qm-ease);
}

.page-products .pd-step:hover {
  border-left-color: var(--qm-flare);
  background: rgba(23, 48, 77, .78);
}

.page-products .pd-step__num {
  display: block;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--qm-mint);
}

.page-products .pd-step__title {
  margin: 10px 0 10px;
  font-size: 19px;
  line-height: 1.32;
  color: var(--qm-paper);
}

.page-products .pd-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--qm-mist);
}

.page-products .pd-preview__media {
  margin-top: 36px;
}

/* ---------- 使用细节 ---------- */
.page-products .pd-detail__list {
  list-style: none;
  margin: 38px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pd-detail__item {
  padding: 22px 20px 24px;
  background: rgba(23, 48, 77, .42);
  border-top: 1px solid rgba(54, 242, 200, .26);
}

.page-products .pd-detail__label {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--qm-ember);
  margin-bottom: 12px;
}

.page-products .pd-detail__item h3 {
  margin: 0 0 12px;
  font-size: 18px;
  line-height: 1.38;
  color: var(--qm-paper);
}

.page-products .pd-detail__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--qm-mist);
}

/* ---------- 版本演进 ---------- */
.page-products .pd-versions__grid {
  display: grid;
  gap: 34px;
  align-items: start;
}

.page-products .pd-versions__copy h2 {
  margin: 12px 0 16px;
}

.page-products .pd-versions__copy > p {
  font-size: 16px;
  line-height: 1.85;
  color: var(--qm-mist);
  margin: 0;
}

.page-products .pd-timeline {
  list-style: none;
  margin: 30px 0 0;
  padding: 0 0 0 26px;
  border-left: 1px solid rgba(169, 183, 203, .22);
  display: grid;
  gap: 24px;
}

.page-products .pd-timeline li {
  position: relative;
}

.page-products .pd-timeline li::before {
  content: "";
  position: absolute;
  left: -31px;
  top: 5px;
  width: 9px;
  height: 9px;
  background: var(--qm-flare);
  transform: rotate(45deg);
  box-shadow: 0 0 0 4px rgba(255, 90, 54, .16);
}

.page-products .pd-timeline li:nth-child(2)::before {
  background: var(--qm-mint);
  box-shadow: 0 0 0 4px rgba(54, 242, 200, .16);
}

.page-products .pd-timeline li:nth-child(3)::before {
  background: var(--qm-violet);
  box-shadow: 0 0 0 4px rgba(138, 108, 255, .18);
}

.page-products .pd-timeline__tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--qm-mint);
  margin-bottom: 8px;
}

.page-products .pd-timeline li p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--qm-mist);
}

.page-products .pd-vtable-wrap {
  margin-top: 28px;
  border: 1px solid rgba(169, 183, 203, .16);
  background: rgba(13, 27, 47, .6);
  padding: 4px 18px 18px;
}

.page-products .pd-vtable-wrap > summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 0;
  font-family: var(--qm-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--qm-mint);
}

.page-products .pd-vtable-wrap > summary::-webkit-details-marker {
  display: none;
}

.page-products .pd-vtable-wrap > summary::after {
  content: " +";
}

.page-products .pd-vtable-wrap[open] > summary::after {
  content: " −";
}

.page-products .pd-vtable {
  display: grid;
  gap: 2px;
}

.page-products .pd-vtable__row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 6px 14px;
  padding: 12px 0;
  border-top: 1px solid rgba(169, 183, 203, .1);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--qm-mist);
}

.page-products .pd-vtable__row--head {
  color: var(--qm-paper);
  font-size: 12px;
  letter-spacing: 0.08em;
  border-top: none;
}

.page-products .pd-vtable__row--head span:nth-child(2),
.page-products .pd-vtable__row--head span:nth-child(3) {
  display: none;
}

.page-products .pd-vtable__row .qm-mono {
  color: var(--qm-flare);
  font-size: 13px;
  letter-spacing: 0.08em;
}

/* ---------- 获取方式 ---------- */
.page-products .pd-get__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 36px;
}

.page-products .pd-get__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  background: linear-gradient(170deg, rgba(23, 48, 77, .6), rgba(13, 27, 47, .88));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-products .pd-get__card h3 {
  margin: 0;
  font-size: 17px;
  line-height: 1.35;
  color: var(--qm-paper);
}

.page-products .pd-get__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--qm-mist);
  flex: 1;
}

.page-products .pd-get__link {
  font-family: var(--qm-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--qm-mint);
  text-decoration: none;
  transition: color .25s var(--qm-ease);
}

.page-products .pd-get__link:hover {
  color: var(--qm-flare);
}

.page-products .pd-get__foot {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(169, 183, 203, .16);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-products .pd-get__foot p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--qm-mist);
  flex: 1 1 240px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products {
    --pd-cut: 18px;
  }

  .page-products .pd-matrix {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .pd-module--a { grid-column: span 4; }
  .page-products .pd-module--b { grid-column: span 2; }
  .page-products .pd-module--c { grid-column: span 3; }
  .page-products .pd-module--d { grid-column: span 3; }
  .page-products .pd-module--e { grid-column: span 2; }
  .page-products .pd-module--f { grid-column: span 4; }

  .page-products .pd-statline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

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

  .page-products .pd-vtable__row {
    grid-template-columns: 70px minmax(0, 1fr) minmax(0, 1.2fr);
  }

  .page-products .pd-vtable__row--head span:nth-child(2),
  .page-products .pd-vtable__row--head span:nth-child(3) {
    display: block;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 48px;
  }

  .page-products .pd-access__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    gap: 48px;
  }

  .page-products .pd-modules__top {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
    gap: 46px;
  }

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

  .page-products .pd-step {
    border-left: none;
    border-top: 2px solid var(--qm-mint);
    padding: 24px 22px;
  }

  .page-products .pd-step:hover {
    border-top-color: var(--qm-flare);
  }

  .page-products .pd-detail__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }

  .page-products .pd-versions__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    gap: 52px;
    align-items: center;
  }

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

@media (min-width: 1100px) {
  .page-products .pd-hero {
    padding-top: 22px;
  }

  .page-products .pd-hero__media {
    transform: translateY(-8px);
  }

  .page-products .pd-preview__media {
    margin-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-module,
  .page-products .pd-step,
  .page-products .pd-get__link,
  .page-products .pd-module__more summary {
    transition: none;
  }

  .page-products .pd-module:hover {
    transform: none;
  }
}
<<<END>>>