.page-products {
  --pj-line: rgba(10, 33, 56, .1);
  --pj-muted: #4a5b6a;
  --pj-head-offset: calc(var(--cc-head-h, 76px) + 24px);
  display: block;
  background: var(--cc-pearl);
  color: var(--cc-ink);
  font-family: var(--cc-font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.page-products h1,
.page-products h2,
.page-products h3,
.page-products h4 {
  margin: 0;
  font-family: var(--cc-font-display);
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-products p {
  margin: 0;
}

.page-products ul,
.page-products ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-products a {
  color: inherit;
}

.page-products [id] {
  scroll-margin-top: var(--pj-head-offset);
}

/* ---------- 首屏 ---------- */
.page-products .pj-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(100px, 15vw, 172px) 0 clamp(48px, 7vw, 88px);
  background:
    radial-gradient(115% 85% at 8% -6%, rgba(30, 78, 114, .92), transparent 62%),
    radial-gradient(88% 68% at 100% 0%, rgba(255, 107, 65, .2), transparent 64%),
    linear-gradient(160deg, #0A2138 0%, #051524 72%, #04101c 100%);
  color: var(--cc-pearl);
}

.page-products .pj-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(56, 225, 225, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 225, 225, .08) 1px, transparent 1px);
  background-size: 78px 78px;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(120% 92% at 78% 6%, #000 0%, transparent 76%);
  mask-image: radial-gradient(120% 92% at 78% 6%, #000 0%, transparent 76%);
}

.page-products .pj-hero > .cc-wrap {
  position: relative;
  z-index: 1;
}

.page-products .pj-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 13px;
}

.page-products .pj-crumbs li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(246, 244, 239, .55);
}

.page-products .pj-crumbs li + li::before {
  content: "/";
  color: rgba(56, 225, 225, .55);
}

.page-products .pj-crumbs a {
  color: rgba(246, 244, 239, .82);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--cc-ease), border-color .2s var(--cc-ease);
}

.page-products .pj-crumbs a:hover {
  color: var(--cc-neon);
  border-bottom-color: var(--cc-neon);
}

.page-products .pj-hero__eyebrow {
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cc-neon);
  margin-bottom: 20px;
}

.page-products .pj-hero__title {
  max-width: 22ch;
  font-size: clamp(30px, 6.2vw, 56px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  margin-bottom: 20px;
}

.page-products .pj-hero__lead {
  max-width: 680px;
  font-size: clamp(16px, 1.9vw, 18px);
  line-height: 1.85;
  color: rgba(246, 244, 239, .82);
  margin-bottom: 30px;
}

.page-products .pj-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(36px, 6vw, 54px);
}

.page-products .pj-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: rgba(246, 244, 239, .16);
  border-radius: var(--cc-r-md);
  overflow: hidden;
}

.page-products .pj-hero__facts > div {
  background: #0b2339;
  padding: 16px 18px;
}

.page-products .pj-hero__facts dt {
  font-size: 12px;
  letter-spacing: .12em;
  color: rgba(246, 244, 239, .55);
  margin-bottom: 6px;
}

.page-products .pj-hero__facts dd {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  color: var(--cc-neon);
  line-height: 1.25;
}

@media (min-width: 720px) {
  .page-products .pj-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 通用区块 ---------- */
.page-products .pj-sec {
  padding: clamp(56px, 9vw, 104px) 0;
}

.page-products .pj-sec-head {
  margin-bottom: clamp(28px, 4.5vw, 52px);
}

.page-products .pj-sec-head__num {
  font-size: 12.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cc-coral);
  margin-bottom: 14px;
}

.page-products .pj-sec-head h2 {
  font-size: clamp(23px, 4vw, 38px);
  line-height: 1.24;
  margin-bottom: 14px;
}

.page-products .pj-sec-head > p {
  max-width: 64ch;
  font-size: 15.6px;
  line-height: 1.85;
  color: var(--pj-muted);
}

.page-products .pj-figure {
  margin: 0;
  border-radius: var(--cc-r-lg);
  overflow: hidden;
  background: var(--cc-tide);
}

.page-products .pj-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pj-figure--band img {
  aspect-ratio: 8 / 3;
}

.page-products .pj-figure--wide img {
  aspect-ratio: 7 / 4;
}

/* ---------- 01 项目总览 ---------- */
.page-products .pj-overview__grid {
  display: grid;
  gap: 28px;
}

.page-products .pj-overview__figure img {
  aspect-ratio: 3 / 2;
}

.page-products .pj-cards {
  display: grid;
  gap: 16px;
}

.page-products .pj-card {
  position: relative;
  padding: 26px 22px 22px;
  border-radius: var(--cc-r-md);
  background: #fff;
  border: 1px solid var(--pj-line);
  overflow: hidden;
}

.page-products .pj-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--pj-accent, var(--cc-coral));
}

.page-products .pj-card:nth-child(1) { --pj-accent: var(--cc-coral); }
.page-products .pj-card:nth-child(2) { --pj-accent: var(--cc-tide); }
.page-products .pj-card:nth-child(3) { --pj-accent: var(--cc-palm); }
.page-products .pj-card:nth-child(4) { --pj-accent: var(--cc-coral-soft); }

.page-products .pj-card__title {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 10px;
}

.page-products .pj-card__text {
  font-size: 14.8px;
  line-height: 1.8;
  color: var(--pj-muted);
  margin-bottom: 16px;
}

.page-products .pj-card__meta {
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--cc-coral);
}

@media (min-width: 620px) {
  .page-products .pj-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pj-overview__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }
}

/* ---------- 02 下载区 ---------- */
.page-products .pj-downloads .pj-figure--band {
  margin-bottom: clamp(30px, 5vw, 52px);
}

.page-products .pj-downloads__layout {
  display: grid;
  gap: 26px;
}

.page-products .pj-index__title {
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--pj-muted);
  margin-bottom: 12px;
}

.page-products .pj-index ul {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
}

.page-products .pj-index a {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  padding: 9px 15px;
  border-radius: var(--cc-r-pill);
  border: 1px solid var(--pj-line);
  background: #fff;
  font-size: 13.5px;
  text-decoration: none;
  color: #23394a;
  transition: border-color .2s var(--cc-ease), color .2s var(--cc-ease);
}

.page-products .pj-index a:hover {
  border-color: var(--cc-coral);
  color: var(--cc-coral);
}

.page-products .pj-index a .cc-mono {
  font-size: 12px;
  color: var(--cc-palm);
}

.page-products .pj-group + .pj-group {
  margin-top: 40px;
}

.page-products .pj-group__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 16px;
}

.page-products .pj-group__title::before {
  content: "";
  width: 4px;
  height: 17px;
  border-radius: 2px;
  background: var(--pj-accent, var(--cc-coral));
}

.page-products .pj-group__title .cc-mono {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--pj-muted);
}

.page-products #pj-type-handbook { --pj-accent: var(--cc-coral); }
.page-products #pj-type-ios { --pj-accent: var(--cc-tide); }
.page-products #pj-type-sub { --pj-accent: var(--cc-palm); }
.page-products #pj-type-log { --pj-accent: var(--cc-coral-soft); }

.page-products .pj-item {
  display: grid;
  gap: 14px;
  padding: 18px 18px 18px 20px;
  border-radius: var(--cc-r-md);
  background: #fff;
  border: 1px solid var(--pj-line);
  border-left: 3px solid var(--pj-accent, var(--cc-coral));
  transition: box-shadow .25s var(--cc-ease), transform .25s var(--cc-ease);
}

.page-products .pj-item + .pj-item {
  margin-top: 12px;
}

.page-products .pj-item:hover {
  box-shadow: 0 16px 30px rgba(10, 33, 56, .1);
  transform: translateY(-2px);
}

.page-products .pj-item__name {
  font-size: 16.5px;
  font-weight: 800;
  margin-bottom: 6px;
}

.page-products .pj-item__desc {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pj-muted);
  margin-bottom: 12px;
}

.page-products .pj-item__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-products .pj-tag {
  padding: 4px 10px;
  border-radius: var(--cc-r-pill);
  border: 1px solid rgba(10, 33, 56, .14);
  font-family: var(--cc-font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: #33485a;
}

.page-products .pj-item__side {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-products .pj-item__ver {
  font-size: 14px;
  font-weight: 600;
  color: var(--cc-coral);
}

.page-products .pj-item__date {
  font-size: 12px;
  color: var(--pj-muted);
}

@media (min-width: 700px) {
  .page-products .pj-item {
    grid-template-columns: minmax(0, 1fr) 118px;
    align-items: start;
  }

  .page-products .pj-item__side {
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    padding-left: 14px;
    border-left: 1px solid var(--pj-line);
  }
}

@media (min-width: 960px) {
  .page-products .pj-downloads__layout {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 44px;
  }

  .page-products .pj-index {
    position: sticky;
    top: var(--pj-head-offset);
    align-self: start;
  }

  .page-products .pj-index ul {
    flex-direction: column;
    align-items: stretch;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .pj-index a {
    justify-content: space-between;
    border-radius: var(--cc-r-sm);
  }
}

/* ---------- 03 路径指引 ---------- */
.page-products .pj-path {
  background:
    radial-gradient(92% 72% at 88% 0%, rgba(56, 225, 225, .13), transparent 62%),
    linear-gradient(158deg, #0A2138 0%, #051524 100%);
  color: var(--cc-pearl);
}

.page-products .pj-path__inner {
  display: grid;
  gap: 34px;
}

.page-products .pj-path .pj-sec-head__num {
  color: var(--cc-neon);
}

.page-products .pj-path .pj-sec-head h2 {
  color: var(--cc-pearl);
}

.page-products .pj-path .pj-sec-head > p {
  color: rgba(246, 244, 239, .78);
}

.page-products .pj-steps {
  display: grid;
  gap: 12px;
}

.page-products .pj-step summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  border-radius: var(--cc-r-md);
  background: rgba(246, 244, 239, .05);
  border: 1px solid rgba(246, 244, 239, .14);
  cursor: pointer;
  list-style: none;
  transition: border-color .22s var(--cc-ease), background .22s var(--cc-ease);
}

.page-products .pj-step summary::-webkit-details-marker {
  display: none;
}

.page-products .pj-step summary:hover {
  border-color: rgba(56, 225, 225, .5);
}

.page-products .pj-step[open] summary {
  border-color: rgba(56, 225, 225, .55);
  background: rgba(56, 225, 225, .08);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

.page-products .pj-step__num {
  font-size: 13px;
  font-weight: 600;
  color: var(--cc-neon);
}

.page-products .pj-step__label {
  flex: 1;
  font-size: 16px;
  font-weight: 700;
}

.page-products .pj-step__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-products .pj-step__sign::before,
.page-products .pj-step__sign::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--cc-coral);
  transform: translateY(-50%);
  transition: transform .22s var(--cc-ease);
}

.page-products .pj-step__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-products .pj-step[open] .pj-step__sign::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-products .pj-step__body {
  padding: 16px 18px 20px;
  border: 1px solid rgba(56, 225, 225, .55);
  border-top: 0;
  border-radius: 0 0 var(--cc-r-md) var(--cc-r-md);
  background: rgba(246, 244, 239, .04);
}

.page-products .pj-step__body p {
  font-size: 14.6px;
  line-height: 1.8;
  color: rgba(246, 244, 239, .78);
}

.page-products .pj-path__figure {
  background: rgba(30, 78, 114, .42);
}

.page-products .pj-path__figure img {
  aspect-ratio: 5 / 7;
}

@media (min-width: 900px) {
  .page-products .pj-path__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: center;
  }
}

/* ---------- 04 版本演进 ---------- */
.page-products .pj-timeline {
  position: relative;
  display: grid;
  gap: 28px;
  padding-left: 26px;
  margin-bottom: clamp(34px, 5vw, 52px);
}

.page-products .pj-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cc-tide), rgba(30, 78, 114, .16));
}

.page-products .pj-timeline__item {
  position: relative;
}

.page-products .pj-timeline__dot {
  position: absolute;
  left: -26px;
  top: 8px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cc-tide);
  box-shadow: 0 0 0 3px var(--cc-pearl);
}

.page-products .pj-timeline__ver {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--cc-coral);
  margin-bottom: 4px;
}

.page-products .pj-timeline__name {
  font-size: 15.5px;
  font-weight: 800;
  margin-bottom: 6px;
}

.page-products .pj-timeline__desc {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pj-muted);
}

.page-products .pj-timeline__item:last-child .pj-timeline__dot {
  background: var(--cc-neon);
  box-shadow: 0 0 0 3px var(--cc-pearl), 0 0 18px rgba(56, 225, 225, .85);
}

.page-products .pj-timeline__item:last-child .pj-timeline__ver {
  color: var(--cc-palm);
}

@media (min-width: 860px) {
  .page-products .pj-timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 24px;
    padding-left: 0;
  }

  .page-products .pj-timeline::before {
    left: 0;
    right: 0;
    top: 5px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--cc-tide), rgba(30, 78, 114, .14));
  }

  .page-products .pj-timeline__item {
    padding-top: 38px;
  }

  .page-products .pj-timeline__dot {
    left: 0;
    top: 0;
    box-shadow: 0 0 0 3px var(--cc-pearl);
  }
}

/* ---------- 05 适用场景 ---------- */
.page-products .pj-scenes__grid {
  display: grid;
  gap: 16px;
}

.page-products .pj-scene {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 20px;
  border-radius: var(--cc-r-md);
  background: #fff;
  border: 1px solid var(--pj-line);
}

.page-products .pj-scene__tag {
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--cc-coral);
}

.page-products .pj-scene h3 {
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.45;
}

.page-products .pj-scene > p {
  font-size: 14.4px;
  line-height: 1.78;
  color: var(--pj-muted);
}

.page-products .pj-scene p.pj-scene__pick {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed rgba(10, 33, 56, .16);
  font-size: 13px;
  line-height: 1.6;
  color: #2a4053;
}

.page-products .pj-scenes__banner {
  position: relative;
  margin: clamp(30px, 5vw, 48px) 0 0;
  border-radius: var(--cc-r-lg);
  overflow: hidden;
}

.page-products .pj-scenes__banner img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-products .pj-scenes__banner figcaption {
  position: absolute;
  inset: auto 0 0 0;
  padding: 30px clamp(20px, 4vw, 44px);
  background: linear-gradient(0deg, rgba(5, 21, 36, .9), rgba(5, 21, 36, 0));
  color: var(--cc-pearl);
}

.page-products .pj-scenes__banner figcaption p:first-child {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cc-neon);
  margin-bottom: 8px;
}

.page-products .pj-scenes__banner figcaption p:last-child {
  max-width: 46ch;
  font-size: clamp(15px, 2.4vw, 19px);
  font-weight: 600;
  line-height: 1.6;
}

@media (min-width: 700px) {
  .page-products .pj-scenes__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

/* ---------- 06 获取与更新 ---------- */
.page-products .pj-access__grid {
  display: grid;
  gap: 18px;
  margin-bottom: clamp(26px, 4vw, 38px);
}

.page-products .pj-access__item {
  padding: 26px 22px;
  border-radius: var(--cc-r-md);
  background: linear-gradient(168deg, #ffffff 0%, rgba(201, 210, 220, .26) 100%);
  border: 1px solid var(--pj-line);
}

.page-products .pj-access__idx {
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--cc-coral);
  margin-bottom: 12px;
}

.page-products .pj-access__item h3 {
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 10px;
}

.page-products .pj-access__item p {
  font-size: 14.6px;
  line-height: 1.8;
  color: var(--pj-muted);
}

.page-products .pj-access__foot {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 28px clamp(20px, 4vw, 36px);
  border-radius: var(--cc-r-lg);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255, 107, 65, .18), transparent 60%),
    var(--cc-deep);
  color: var(--cc-pearl);
}

.page-products .pj-access__foot > p {
  font-size: 15.4px;
  line-height: 1.85;
  color: rgba(246, 244, 239, .85);
  max-width: 56ch;
}

.page-products .pj-access__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
}

.page-products .pj-link {
  font-size: 14px;
  color: rgba(246, 244, 239, .82);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 225, 225, .45);
  padding-bottom: 2px;
  transition: color .2s var(--cc-ease), border-color .2s var(--cc-ease);
}

.page-products .pj-link:hover {
  color: var(--cc-neon);
  border-bottom-color: var(--cc-neon);
}

@media (min-width: 780px) {
  .page-products .pj-access__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .pj-access__foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }

  .page-products .pj-access__foot > p {
    flex: 1 1 52%;
  }

  .page-products .pj-access__links {
    flex: 0 1 auto;
    justify-content: flex-end;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .pj-item,
  .page-products .pj-step summary,
  .page-products .pj-step__sign::before,
  .page-products .pj-step__sign::after,
  .page-products .pj-index a,
  .page-products .pj-link,
  .page-products .pj-crumbs a {
    transition: none;
  }

  .page-products .pj-item:hover {
    transform: none;
  }
}