.page-products {
  --pp-edge: 1px solid var(--line);
  --pp-edge-strong: 1px solid var(--line-strong);
  --pp-frame-paper: 1px solid rgba(244, 239, 230, .22);
  --pp-shell: clamp(20px, 3.4vw, 40px);
  background: var(--paper);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 面包屑（深色首屏内） ---------- */
.page-products .pp-hero .breadcrumb {
  position: relative;
  z-index: 2;
  margin-bottom: clamp(18px, 3vw, 34px);
}

.page-products .pp-hero .breadcrumb__link,
.page-products .pp-hero .breadcrumb__current,
.page-products .pp-hero .breadcrumb__item {
  color: var(--gray-blue);
}

.page-products .pp-hero .breadcrumb__link:hover {
  color: var(--amber-soft);
}

.page-products .pp-hero .breadcrumb__current {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  background: var(--navy);
  color: var(--paper);
  padding: calc(var(--header-h) + clamp(28px, 5vw, 64px)) 0 clamp(56px, 8vw, 108px);
  overflow: hidden;
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  top: -14%;
  right: -10%;
  width: 62%;
  height: 138%;
  background: linear-gradient(158deg, rgba(217, 154, 61, .24), rgba(46, 94, 99, .32) 62%, rgba(11, 27, 41, .1));
  clip-path: polygon(26% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(244, 239, 230, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244, 239, 230, .07) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(120deg, rgba(0, 0, 0, .9), transparent 72%);
  pointer-events: none;
}

.page-products .pp-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 60px);
}

.page-products .pp-hero__lead .eyebrow {
  color: var(--amber-soft);
}

.page-products .pp-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.6vw, 60px);
  line-height: 1.16;
  letter-spacing: -.01em;
  font-weight: 700;
  margin: 0 0 clamp(16px, 2.4vw, 26px);
  color: var(--paper);
}

.page-products .pp-hero__desc {
  max-width: 34em;
  font-size: clamp(15px, 1.15vw, 17px);
  line-height: 1.9;
  color: rgba(244, 239, 230, .82);
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pp-hero__note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(244, 239, 230, .18);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gray-blue);
}

.page-products .pp-hero__index {
  align-self: end;
  background: rgba(244, 239, 230, .06);
  border: var(--pp-frame-paper);
  padding: clamp(18px, 2.4vw, 26px);
  backdrop-filter: blur(2px);
}

.page-products .pp-hero__index-title {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--amber-soft);
  margin: 0 0 16px;
}

.page-products .pp-hero__index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-products .pp-hero__index-link {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 14px;
  row-gap: 2px;
  align-items: baseline;
  padding: 12px 12px 12px 10px;
  border-left: 2px solid transparent;
  color: inherit;
  text-decoration: none;
  transition: border-color .22s var(--ease), background-color .22s var(--ease), transform .22s var(--ease);
}

.page-products .pp-hero__index-link:hover,
.page-products .pp-hero__index-link:focus-visible {
  background: rgba(244, 239, 230, .09);
  border-left-color: var(--amber);
  transform: translateX(3px);
}

.page-products .pp-hero__index-num {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--amber);
  letter-spacing: .06em;
}

.page-products .pp-hero__index-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-products .pp-hero__index-meta {
  font-size: 12.5px;
  color: var(--gray-blue);
  letter-spacing: .04em;
}

/* ---------- 四个分类 ---------- */
.page-products .pp-entries {
  background: var(--paper);
}

.page-products .pp-entries__top {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-products .pp-entries__head .eyebrow,
.page-products .pp-devices__head .eyebrow,
.page-products .pp-steps__head .eyebrow,
.page-products .pp-legacy__copy .eyebrow,
.page-products .pp-versions__head .eyebrow {
  color: var(--red);
}

.page-products .pp-entries__head h2,
.page-products .pp-devices__head h2,
.page-products .pp-steps__head h2,
.page-products .pp-legacy__copy h2,
.page-products .pp-versions__head h2 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3.2vw, 38px);
  line-height: 1.28;
  letter-spacing: -.005em;
  margin: 0 0 clamp(12px, 1.8vw, 18px);
}

.page-products .pp-entries__head p,
.page-products .pp-devices__head p,
.page-products .pp-steps__head p,
.page-products .pp-versions__head p {
  max-width: 40em;
  line-height: 1.85;
  color: rgba(15, 20, 23, .74);
  margin: 0;
}

.page-products .pp-entries__figure .figure__frame--square {
  border: var(--pp-edge-strong);
}

.page-products .pp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(24px, 3.4vw, 40px) 0 clamp(22px, 3vw, 34px);
  padding-bottom: clamp(16px, 2vw, 22px);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-chip {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .06em;
  padding: 9px 18px;
  border: 1px solid var(--line-strong);
  background: var(--paper-deep);
  color: var(--ink);
  text-decoration: none;
  transition: background-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}

.page-products .pp-chip:hover,
.page-products .pp-chip:focus-visible {
  background: var(--navy);
  color: var(--paper);
  transform: translateY(-2px);
}

.page-products .pp-entry-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.4vw, 28px);
}

.page-products .pp-entry {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--paper-deep);
  border: var(--pp-edge-strong);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-products .pp-entry__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--red);
}

.page-products .pp-entry .card__title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.1vw, 25px);
  margin: 0;
  color: var(--ink);
}

.page-products .pp-entry__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(15, 20, 23, .76);
}

.page-products .pp-entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 2px 0 0;
}

.page-products .pp-entry__link {
  margin-top: auto;
  align-self: flex-start;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .05em;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 94, 99, .35);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-products .pp-entry__link::after {
  content: " →";
}

.page-products .pp-entry__link:hover,
.page-products .pp-entry__link:focus-visible {
  color: var(--red);
  border-color: var(--red);
}

/* ---------- 按设备选路径 ---------- */
.page-products .pp-devices {
  background: var(--paper-deep);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-products .pp-devices__figure {
  margin: clamp(26px, 3.4vw, 40px) 0 clamp(26px, 3.4vw, 40px);
}

.page-products .pp-devices__figure .figure__frame {
  border: var(--pp-edge-strong);
}

.page-products .pp-devices__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-products .pp-device {
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--paper);
  border: var(--pp-edge-strong);
  border-top: 3px solid var(--navy);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-products .pp-device__top {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--navy);
}

.page-products .pp-device__icon {
  flex: none;
  color: var(--amber);
}

.page-products .pp-device__top h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin: 0;
  color: var(--navy);
}

.page-products .pp-device__lead {
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
}

.page-products .pp-device__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(15, 20, 23, .72);
}

.page-products .pp-device__route {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-products .pp-device__route li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--teal);
}

.page-products .pp-device__route-num {
  flex: none;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  font-size: 11.5px;
  background: var(--paper-deep);
  border: 1px solid var(--line-strong);
  color: var(--ink);
}

.page-products .pp-device__hint {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13px;
  letter-spacing: .03em;
  color: var(--slate);
}

/* ---------- 下载与安装步骤 ---------- */
.page-products .pp-steps-section {
  background: var(--paper);
}

.page-products .pp-steps__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 44px);
  margin-top: clamp(26px, 3.4vw, 42px);
  align-items: start;
}

.page-products .pp-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: pp-step;
}

.page-products .pp-step__box {
  background: var(--paper-deep);
  border: var(--pp-edge-strong);
  border-left: 4px solid var(--navy);
  transition: border-left-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-products .pp-step__box[open] {
  border-left-color: var(--amber);
  box-shadow: var(--shadow-panel);
}

.page-products .pp-step__summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(14px, 1.8vw, 20px) clamp(16px, 2vw, 24px);
  cursor: pointer;
  list-style: none;
}

.page-products .pp-step__summary::-webkit-details-marker {
  display: none;
}

.page-products .pp-step__title {
  font-size: clamp(15.5px, 1.3vw, 17px);
  font-weight: 600;
  color: var(--ink);
}

.page-products .pp-step__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .12em;
  color: var(--red);
}

.page-products .pp-step__detail {
  padding: 0 clamp(16px, 2vw, 24px) clamp(16px, 2vw, 22px);
}

.page-products .pp-step__detail p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(15, 20, 23, .74);
}

.page-products .pp-steps__figure .figure__frame {
  border: var(--pp-edge-strong);
}

/* ---------- 旧入口与重新登录 ---------- */
.page-products .pp-legacy {
  position: relative;
  background: var(--navy-deep);
  color: var(--paper);
  padding: clamp(48px, 7vw, 100px) 0;
  overflow: hidden;
}

.page-products .pp-legacy::before {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -30%;
  width: 46%;
  height: 90%;
  background: linear-gradient(28deg, rgba(181, 83, 60, .34), transparent 74%);
  clip-path: polygon(0 34%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .pp-legacy__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 54px);
  align-items: center;
}

.page-products .pp-legacy__copy .eyebrow {
  color: var(--amber-soft);
}

.page-products .pp-legacy__copy h2 {
  color: var(--paper);
}

.page-products .pp-legacy__copy > p {
  max-width: 36em;
  line-height: 1.9;
  color: rgba(244, 239, 230, .82);
  margin: 0 0 clamp(18px, 2.4vw, 26px);
}

.page-products .pp-legacy__points {
  list-style: none;
  margin: 0 0 clamp(22px, 3vw, 30px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-legacy__points li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244, 239, 230, .9);
}

.page-products .pp-legacy__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 12px;
  height: 2px;
  background: var(--amber);
}

.page-products .pp-legacy__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .pp-legacy__figure .figure__frame {
  border: var(--pp-frame-paper);
}

.page-products .pp-legacy__figure .figure__caption {
  color: rgba(244, 239, 230, .66);
}

/* ---------- 版本说明与更新记录 ---------- */
.page-products .pp-versions {
  background: var(--paper);
}

.page-products .pp-versions__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 44px);
  margin-top: clamp(26px, 3.4vw, 42px);
  align-items: start;
}

.page-products .pp-ver-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .pp-ver {
  padding: clamp(16px, 2vw, 22px) clamp(18px, 2.2vw, 26px);
  background: var(--paper-deep);
  border: var(--pp-edge-strong);
  border-left: 3px solid var(--slate);
  transition: border-left-color .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-products .pp-ver:hover {
  border-left-color: var(--amber);
  transform: translateX(4px);
  box-shadow: var(--shadow-panel);
}

.page-products .pp-ver__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}

.page-products .pp-ver__badge {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  padding: 3px 9px;
  background: var(--red);
  color: var(--paper);
}

.page-products .pp-ver__id {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--navy);
}

.page-products .pp-ver__text {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(15, 20, 23, .76);
}

.page-products .pp-ver__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
}

.page-products .pp-versions__aside {
  display: grid;
  gap: clamp(18px, 2.4vw, 26px);
}

.page-products .pp-versions__figure .figure__frame {
  border: var(--pp-edge-strong);
}

.page-products .pp-versions__note {
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--navy);
  color: var(--paper);
}

.page-products .pp-versions__note-title {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--amber-soft);
  margin: 0 0 12px;
}

.page-products .pp-versions__note p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 239, 230, .84);
}

.page-products .pp-versions__note-link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .05em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(217, 154, 61, .5);
}

.page-products .pp-versions__note-link::after {
  content: " →";
}

.page-products .pp-versions__note-link:hover,
.page-products .pp-versions__note-link:focus-visible {
  color: var(--amber-soft);
  border-color: var(--amber-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pp-entry-grid,
  .page-products .pp-devices__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-entry:nth-child(2) {
    margin-top: 26px;
  }
}

@media (min-width: 900px) {
  .page-products .pp-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, .85fr);
    align-items: end;
  }

  .page-products .pp-entries__top {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .85fr);
  }

  .page-products .pp-steps__body {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr);
  }

  .page-products .pp-legacy__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
  }

  .page-products .pp-versions__body {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .8fr);
  }
}

@media (min-width: 1080px) {
  .page-products .pp-entry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .pp-entry:nth-child(2) {
    margin-top: 0;
  }

  .page-products .pp-entry:nth-child(2),
  .page-products .pp-entry:nth-child(4) {
    margin-top: 30px;
  }

  .page-products .pp-entry:nth-child(3) {
    margin-top: 12px;
  }
}

@media (max-width: 480px) {
  .page-products .pp-hero__index-link {
    grid-template-columns: auto 1fr;
  }

  .page-products .pp-chip {
    padding: 8px 14px;
    font-size: 13px;
  }

  .page-products .pp-legacy__actions .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-chip,
  .page-products .pp-hero__index-link,
  .page-products .pp-ver,
  .page-products .pp-step__box {
    transition: none;
  }

  .page-products .pp-chip:hover,
  .page-products .pp-chip:focus-visible,
  .page-products .pp-ver:hover,
  .page-products .pp-hero__index-link:hover,
  .page-products .pp-hero__index-link:focus-visible {
    transform: none;
  }
}