.page-products {
  --pd-ink-2: #3d5a72;
  --pd-cream-70: rgba(247, 241, 230, .72);
  --pd-cream-45: rgba(247, 241, 230, .45);
  --pd-line-dark: rgba(247, 241, 230, .16);
  --pd-line-light: rgba(8, 42, 74, .14);
  background: var(--hq-cream);
  color: var(--hq-ink);
}

/* ===== 首屏 ===== */
.page-products .pd-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--hq-header-h) + 32px) 0 48px;
  background:
    radial-gradient(130% 95% at 88% 0%, rgba(15, 61, 99, .96) 0%, rgba(8, 42, 74, .98) 58%, #041827 100%);
  color: var(--hq-cream);
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(217, 154, 43, .08) 0 1px, transparent 1px 46px);
  pointer-events: none;
}

.page-products .pd-hero .hq-container {
  position: relative;
  z-index: 1;
}

.page-products .pd-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-bottom: 22px;
  font: 400 .6875rem/1.6 var(--hq-font-mono);
  letter-spacing: .08em;
  color: var(--pd-cream-45);
}

.page-products .pd-crumb a {
  color: var(--pd-cream-70);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-products .pd-crumb a:hover {
  color: var(--hq-gold);
  border-bottom-color: var(--hq-gold);
}

.page-products .pd-crumb__sep {
  color: rgba(217, 154, 43, .75);
}

.page-products .pd-hero__grid {
  display: grid;
  gap: 22px;
}

.page-products .pd-hero .hq-eyebrow {
  color: var(--hq-gold);
}

.page-products .pd-hero .hq-h1 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 6.2vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--hq-cream);
}

.page-products .pd-hero .hq-lede {
  max-width: 46ch;
  color: var(--pd-cream-70);
}

.page-products .pd-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--pd-line-dark);
}

.page-products .pd-stats > div {
  display: flex;
  flex-direction: column-reverse;
  gap: 5px;
}

.page-products .pd-stats dt {
  font: 400 .6875rem/1.4 var(--hq-font-sans);
  letter-spacing: .04em;
  color: var(--pd-cream-45);
}

.page-products .pd-stats dd {
  margin: 0;
  font: 600 1.25rem/1 var(--hq-font-mono);
  color: var(--hq-gold);
}

/* ===== 入口仪表板 ===== */
.page-products .pd-dash {
  position: relative;
  margin-top: 36px;
  padding: 18px 16px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  background: rgba(4, 24, 39, .45);
  border: 1px solid var(--pd-line-dark);
}

.page-products .pd-dash::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--hq-gold);
}

.page-products .pd-dash__head {
  flex: 1 0 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  margin-bottom: 4px;
}

.page-products .pd-dash__title {
  margin: 0;
  font: 700 1rem/1.3 var(--hq-font-sans);
  letter-spacing: .02em;
  color: var(--hq-cream);
}

.page-products .pd-dash__note {
  margin: 0;
  font: 400 .6875rem/1.5 var(--hq-font-mono);
  letter-spacing: .05em;
  color: var(--pd-cream-45);
}

.page-products .pd-dash input[type="radio"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-products .pd-filter-label {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid rgba(247, 241, 230, .26);
  border-radius: 999px;
  font: 500 .8125rem/1 var(--hq-font-sans);
  letter-spacing: .02em;
  color: rgba(247, 241, 230, .82);
  cursor: pointer;
  transition: background .25s var(--hq-ease), color .25s var(--hq-ease), border-color .25s var(--hq-ease);
}

.page-products .pd-filter-label:hover {
  border-color: var(--hq-gold);
  color: var(--hq-cream);
}

.page-products .pd-dash input:checked + .pd-filter-label {
  background: var(--hq-gold);
  border-color: var(--hq-gold);
  color: var(--hq-ink);
  font-weight: 700;
}

.page-products .pd-dash input:focus-visible + .pd-filter-label {
  outline: 2px solid var(--hq-coral);
  outline-offset: 2px;
}

.page-products .pd-dash__grid {
  flex: 1 0 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 6px;
}

.page-products #pd-cat-login:checked ~ .pd-dash__grid .pd-tile:not(.is-login),
.page-products #pd-cat-help:checked ~ .pd-dash__grid .pd-tile:not(.is-help),
.page-products #pd-cat-version:checked ~ .pd-dash__grid .pd-tile:not(.is-version),
.page-products #pd-cat-sub:checked ~ .pd-dash__grid .pd-tile:not(.is-sub),
.page-products #pd-cat-contact:checked ~ .pd-dash__grid .pd-tile:not(.is-contact) {
  display: none;
}

.page-products .pd-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 16px 18px 16px;
  background: rgba(247, 241, 230, .055);
  border: 1px solid rgba(247, 241, 230, .13);
  transition: transform .3s var(--hq-ease), background .3s var(--hq-ease), border-color .3s var(--hq-ease);
}

.page-products .pd-tile::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 0;
  height: 0;
  border-top: 18px solid var(--hq-gold);
  border-left: 18px solid transparent;
  opacity: .9;
}

.page-products .pd-tile:hover {
  transform: translateY(-3px);
  background: rgba(247, 241, 230, .1);
  border-color: rgba(217, 154, 43, .5);
}

.page-products .pd-tile__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 10px;
  padding-right: 20px;
}

.page-products .pd-tile__state {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font: 400 .6875rem/1 var(--hq-font-mono);
  letter-spacing: .04em;
  color: var(--hq-gold);
}

.page-products .pd-tile__state::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--hq-gold);
  transform: rotate(45deg);
}

.page-products .pd-tile__title {
  margin: 0;
  font: 700 1rem/1.35 var(--hq-font-sans);
  color: var(--hq-cream);
}

.page-products .pd-tile__desc {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--pd-cream-70);
}

.page-products .pd-tile__meta {
  margin: 0;
  font: 400 .6875rem/1.5 var(--hq-font-mono);
  letter-spacing: .04em;
  color: var(--hq-mist);
}

.page-products .pd-tile__more {
  margin-top: auto;
  padding-top: 10px;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--hq-gold);
  text-decoration: none;
}

.page-products .pd-tile__more::after {
  content: " →";
}

.page-products .pd-tile__more:hover {
  color: var(--hq-coral);
}

/* ===== 通用分栏与文字 ===== */
.page-products .pd-split {
  display: grid;
  gap: 28px;
}

.page-products .pd-text {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pd-ink-2);
}

.page-products .hq-on-dark .pd-text {
  color: var(--pd-cream-70);
}

.page-products .pd-list {
  margin: 16px 0 0;
}

.page-products .pd-btn {
  margin-top: 22px;
}

.page-products .pd-sec-head {
  max-width: 62ch;
  margin-bottom: 26px;
}

.page-products .pd-sec-head .hq-eyebrow {
  color: var(--hq-deep-2);
}

.page-products .pd-sec-head .hq-h2 {
  margin: 8px 0 12px;
}

/* ===== 图片容器 ===== */
.page-products .pd-figure {
  margin: 0;
}

.page-products .pd-figure__frame {
  position: relative;
  overflow: hidden;
  background: var(--hq-ash);
  border: 1px solid rgba(8, 42, 74, .1);
}

.page-products .pd-figure--std .pd-figure__frame {
  aspect-ratio: 3 / 2;
}

.page-products .pd-figure--square .pd-figure__frame {
  aspect-ratio: 1 / 1;
}

.page-products .pd-figure--info .pd-figure__frame {
  aspect-ratio: 12 / 7;
}

.page-products .pd-figure--ver .pd-figure__frame {
  aspect-ratio: 10 / 7;
}

.page-products .pd-figure--wide .pd-figure__frame {
  aspect-ratio: 21 / 9;
}

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

.page-products .pd-figure figcaption {
  margin-top: 10px;
  font: 400 .6875rem/1.6 var(--hq-font-mono);
  letter-spacing: .04em;
  color: var(--hq-mist);
}

.page-products .hq-on-dark .pd-figure__frame {
  background: rgba(247, 241, 230, .07);
  border-color: var(--pd-line-dark);
}

.page-products .hq-on-dark .pd-figure figcaption {
  color: var(--pd-cream-45);
}

/* ===== 登录章节 ===== */
.page-products .pd-login {
  background: var(--hq-cream);
}

.page-products .pd-login .hq-eyebrow {
  color: var(--hq-deep-2);
}

.page-products .pd-login .hq-h2 {
  margin: 8px 0 14px;
}

.page-products .pd-steps {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.page-products .pd-step {
  position: relative;
  padding: 0 0 22px 46px;
}

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

.page-products .pd-step__num {
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  font: 600 .75rem/1 var(--hq-font-mono);
  color: var(--hq-ink);
  background: var(--hq-sand);
  border: 1px solid var(--hq-gold);
  transition: background .25s var(--hq-ease), color .25s var(--hq-ease);
}

.page-products .pd-step::after {
  content: "";
  position: absolute;
  left: 15px;
  top: 34px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(217, 154, 43, .7), rgba(217, 154, 43, .06));
}

.page-products .pd-step:last-child::after {
  display: none;
}

.page-products .pd-step:hover .pd-step__num {
  background: var(--hq-gold);
}

.page-products .pd-step__title {
  margin: 3px 0 4px;
  font: 700 .9375rem/1.4 var(--hq-font-sans);
  color: var(--hq-deep);
}

.page-products .pd-step p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--pd-ink-2);
}

/* ===== 收藏章节 ===== */
.page-products .pd-fav {
  background: linear-gradient(180deg, var(--hq-ash) 0%, #cfdce3 100%);
}

.page-products .pd-fav .hq-eyebrow {
  color: var(--hq-deep-2);
}

.page-products .pd-fav .hq-h2 {
  margin: 8px 0 14px;
}

.page-products .pd-checks {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .pd-checks li {
  position: relative;
  padding-left: 18px;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--pd-ink-2);
}

.page-products .pd-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  background: rgba(217, 154, 43, .28);
  border: 1px solid var(--hq-gold);
}

.page-products .pd-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-top: 20px;
}

.page-products .pd-links a {
  font-size: .875rem;
  font-weight: 600;
  color: var(--hq-deep-2);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--hq-gold);
}

.page-products .pd-links a:hover {
  color: var(--hq-coral);
  border-bottom-color: var(--hq-coral);
}

/* ===== 帮助分类章节 ===== */
.page-products .pd-help {
  background: var(--hq-cream);
}

.page-products .pd-help__layout {
  display: grid;
  gap: 22px;
}

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

.page-products .pd-cats li {
  display: flex;
}

.page-products .pd-cats a {
  display: block;
  width: 100%;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--pd-line-light);
  border-left: 3px solid var(--hq-gold);
  text-decoration: none;
  transition: transform .25s var(--hq-ease), box-shadow .25s var(--hq-ease), border-left-color .25s var(--hq-ease);
}

.page-products .pd-cats a:hover {
  transform: translateY(-2px);
  border-left-color: var(--hq-coral);
  box-shadow: var(--hq-shadow);
}

.page-products .pd-cat__name {
  display: block;
  margin: 8px 0 4px;
  font: 700 .9375rem/1.3 var(--hq-font-sans);
  color: var(--hq-deep);
}

.page-products .pd-cat__desc {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.65;
  color: var(--pd-ink-2);
}

.page-products .pd-help__note {
  margin: 24px 0 0;
  padding: 14px 16px;
  background: var(--hq-sand);
  border-left: 3px solid var(--hq-gold);
  font-size: .875rem;
  line-height: 1.75;
  color: var(--hq-ink);
}

/* ===== 版本章节 ===== */
.page-products .pd-version {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--hq-deep) 0%, var(--hq-deep-2) 100%);
  color: var(--hq-cream);
}

.page-products .pd-version::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(-115deg, rgba(217, 154, 43, .07) 0 1px, transparent 1px 54px);
  pointer-events: none;
}

.page-products .pd-version .hq-container {
  position: relative;
  z-index: 1;
}

.page-products .pd-version .hq-eyebrow {
  color: var(--hq-gold);
}

.page-products .pd-version .hq-h2 {
  margin: 8px 0 0;
  color: var(--hq-cream);
}

.page-products .pd-version__head {
  display: grid;
  gap: 14px;
  margin-bottom: 30px;
}

.page-products .pd-version__head .hq-lede {
  color: var(--pd-cream-70);
}

.page-products .pd-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-products .pd-node {
  position: relative;
  padding: 22px 0 0;
  border-top: 1px solid var(--pd-line-dark);
}

.page-products .pd-node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--hq-gold);
  transform: rotate(45deg);
}

.page-products .pd-node__tag {
  margin: 0;
  font: 400 .6875rem/1 var(--hq-font-mono);
  letter-spacing: .06em;
  color: var(--hq-gold);
}

.page-products .pd-node__title {
  margin: 8px 0 6px;
  font: 700 .9375rem/1.4 var(--hq-font-sans);
  color: var(--hq-cream);
}

.page-products .pd-node p:last-child {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--pd-cream-70);
}

.page-products .pd-version__stamp {
  margin: 22px 0 0;
  display: inline-block;
  padding: 6px 12px;
  font: 400 .6875rem/1.5 var(--hq-font-mono);
  letter-spacing: .06em;
  color: var(--hq-ink);
  background: var(--hq-sand);
}

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

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

/* ===== 场景章节 ===== */
.page-products .pd-scenes {
  background: var(--hq-ash);
}

.page-products .pd-scene-grid {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pd-scene {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px;
  background: #fff;
  border: 1px solid var(--pd-line-light);
  border-top: 3px solid var(--hq-deep-2);
}

.page-products .pd-scene:nth-child(2) {
  border-top-color: var(--hq-gold);
}

.page-products .pd-scene:nth-child(3) {
  border-top-color: var(--hq-coral);
}

.page-products .pd-scene:nth-child(4) {
  border-top-color: var(--hq-mist);
}

.page-products .pd-scene__title {
  margin: 0;
  font: 700 .9375rem/1.4 var(--hq-font-sans);
  color: var(--hq-deep);
}

.page-products .pd-scene p {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.7;
  color: var(--pd-ink-2);
}

.page-products .pd-scene a {
  margin-top: auto;
  padding-top: 12px;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--hq-deep-2);
  text-decoration: none;
}

.page-products .pd-scene a:hover {
  color: var(--hq-coral);
}

.page-products .pd-cta {
  margin-top: 30px;
  padding: 22px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: var(--hq-deep);
  color: var(--hq-cream);
}

.page-products .pd-cta p {
  margin: 0;
  max-width: 48ch;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--pd-cream-70);
}

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

/* ===== 响应式 ===== */
@media (min-width: 600px) {
  .page-products .pd-hero {
    padding: calc(var(--hq-header-h) + 44px) 0 60px;
  }

  .page-products .pd-dash {
    padding: 22px 22px 24px;
    gap: 10px;
  }

  .page-products .pd-dash__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .pd-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

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

  .page-products .pd-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 22px;
  }
}

@media (min-width: 900px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 56px;
    align-items: end;
  }

  .page-products .pd-split {
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .pd-split--flip {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: center;
  }

  .page-products .pd-version__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 48px;
    align-items: end;
  }

  .page-products .pd-version__figure {
    max-width: 560px;
    margin-left: auto;
  }

  .page-products .pd-help__layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 34px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-dash__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1100px) {
  .page-products .pd-scene-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-tile,
  .page-products .pd-cats a,
  .page-products .pd-step__num,
  .page-products .pd-filter-label {
    transition: none;
  }

  .page-products .pd-tile:hover,
  .page-products .pd-cats a:hover {
    transform: none;
  }
}
<<<END>>>