.page-products {
  --pp-gap: clamp(16px, 2.2vw, 26px);
  --pp-pad: clamp(18px, 2.6vw, 30px);
  --pp-ease: var(--ease);
  background: var(--c-paper);
  color: var(--c-ink-900);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(14px, 2vw, 22px) 0 clamp(44px, 6.5vw, 88px);
  background:
    radial-gradient(120% 90% at 84% 4%, rgba(245, 166, 35, 0.16), transparent 58%),
    radial-gradient(90% 80% at 0% 100%, rgba(111, 174, 154, 0.14), transparent 62%),
    var(--c-ink-900);
  color: var(--c-paper);
}

.page-products .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(185, 201, 214, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(185, 201, 214, 0.07) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(to bottom, #000 28%, transparent 94%);
  mask-image: linear-gradient(to bottom, #000 28%, transparent 94%);
}

.page-products .pp-hero .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 8px;
  font-size: 13px;
  color: var(--c-mist);
}

.page-products .pp-hero .breadcrumbs a {
  color: var(--c-mist);
  text-decoration: none;
  transition: color var(--dur) var(--pp-ease);
}

.page-products .pp-hero .breadcrumbs a:hover,
.page-products .pp-hero .breadcrumbs a:focus-visible {
  color: var(--c-gold-glow);
}

.page-products .pp-hero .breadcrumbs__sep {
  color: rgba(185, 201, 214, 0.5);
}

.page-products .pp-hero .breadcrumbs [aria-current="page"] {
  color: var(--c-paper);
}

.page-products .pp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  margin-top: clamp(18px, 3vw, 36px);
}

.page-products .pp-hero__card {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 1.8vw, 20px);
  padding: clamp(22px, 3vw, 42px);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-organic);
  background: linear-gradient(158deg, rgba(18, 50, 78, 0.92), rgba(7, 20, 38, 0.96) 72%);
  box-shadow: var(--shadow-soft);
}

.page-products .pp-badge {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 6px 14px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-gold-glow);
  border: 1px solid rgba(245, 166, 35, 0.42);
  border-radius: 999px;
  background: rgba(245, 166, 35, 0.09);
}

.page-products .pp-hero__title {
  margin: 0;
  font-size: clamp(30px, 5.2vw, 56px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--c-paper);
}

.page-products .pp-hero__lede {
  margin: 0;
  max-width: 42em;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.72;
  color: var(--c-mist);
}

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

.page-products .pp-hero__actions .btn {
  flex: 1 1 auto;
  text-align: center;
}

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

.page-products .pp-stat {
  margin: 0;
  display: flex;
  flex-direction: column-reverse;
  gap: 6px;
}

.page-products .pp-stat__value {
  margin: 0;
  font-family: var(--font-en);
  font-size: clamp(30px, 4.2vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold);
}

.page-products .pp-stat__label {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--c-mist);
}

.page-products .pp-hero__aside {
  display: flex;
  flex-direction: column;
  gap: var(--pp-gap);
}

.page-products .pp-hero__figure {
  margin: 0;
  border: 1px solid var(--line-dark-strong);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .pp-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-hero__spec {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-s);
  overflow: hidden;
  background: var(--line-dark);
}

.page-products .pp-hero__spec li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  font-size: 13px;
  background: rgba(11, 32, 54, 0.9);
}

.page-products .pp-hero__spec span {
  color: var(--c-mist);
}

.page-products .pp-hero__spec b {
  font-weight: 600;
  color: var(--c-paper);
  text-align: right;
}

/* ---------- 通用章节 ---------- */
.page-products .pp-section {
  padding-block: clamp(52px, 7vw, 104px);
}

.page-products .pp-section--linen {
  background: var(--c-linen);
}

.page-products .pp-section--ink {
  background: var(--c-ink-900);
  color: var(--c-paper);
}

.page-products .pp-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(10px, 1.6vw, 18px);
  margin-bottom: clamp(24px, 3.4vw, 46px);
}

.page-products .pp-head__index {
  margin: 0;
  font-size: clamp(44px, 7vw, 92px);
  font-weight: 300;
  line-height: 0.86;
  letter-spacing: 0.02em;
  color: var(--c-rule);
}

.page-products .pp-section--ink .pp-head__index {
  color: rgba(216, 205, 184, 0.24);
}

.page-products .pp-head__title {
  margin: 0 0 10px;
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-products .pp-head__desc {
  margin: 0;
  max-width: 46em;
  font-size: clamp(14.5px, 1.1vw, 16.5px);
  line-height: 1.75;
  color: var(--c-ink-700);
}

.page-products .pp-section--ink .pp-head__desc {
  color: var(--c-mist);
}

.page-products .pp-head__media {
  margin: 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--c-rule);
}

.page-products .pp-head__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 分类轨道 ---------- */
.page-products .pp-track {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 14px;
  margin-bottom: clamp(20px, 3vw, 34px);
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--c-rule) transparent;
}

.page-products .pp-track::-webkit-scrollbar {
  height: 3px;
}

.page-products .pp-track::-webkit-scrollbar-thumb {
  background: var(--c-rule);
  border-radius: 999px;
}

.page-products .pp-chip {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border: 1px solid var(--c-rule);
  border-bottom: 2px solid transparent;
  border-radius: 999px;
  background: var(--c-paper);
  color: var(--c-ink-800);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--pp-ease), background var(--dur) var(--pp-ease), transform var(--dur) var(--pp-ease);
}

.page-products .pp-chip:hover,
.page-products .pp-chip:focus-visible {
  border-bottom-color: var(--c-gold);
  background: #fff;
  transform: translateY(-1px);
}

.page-products .pp-chip__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-celadon-deep);
}

.page-products .pp-chip__num {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  color: var(--c-ink-700);
  padding-left: 8px;
  border-left: 1px solid var(--c-rule);
}

/* ---------- 清单卡片 ---------- */
.page-products .pp-cats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-cat {
  padding: var(--pp-pad);
  border: 1px solid var(--c-rule);
  border-radius: var(--radius-m);
  background: var(--c-paper);
  scroll-margin-top: 90px;
}

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

.page-products .pp-cat__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  color: var(--c-celadon-deep);
  border: 1px solid var(--c-rule);
  border-radius: 6px;
}

.page-products .pp-cat__title {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(18px, 1.6vw, 21px);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-products .pp-cat__desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-700);
}

.page-products .pp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--c-rule);
}

.page-products .pp-list__item {
  margin: 0;
}

.page-products .pp-item {
  border-top: 1px solid var(--c-rule);
}

.page-products .pp-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 10px;
  padding: 11px 0 11px 10px;
  border-left: 3px solid transparent;
  cursor: pointer;
  list-style: none;
  transition: border-color var(--dur) var(--pp-ease), background var(--dur) var(--pp-ease);
}

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

.page-products .pp-item summary:hover,
.page-products .pp-item summary:focus-visible {
  border-left-color: var(--c-gold);
}

.page-products .pp-item[open] summary {
  border-left-color: var(--c-celadon);
}

.page-products .pp-item__name {
  flex: 1 1 12em;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.45;
  color: var(--c-ink-800);
}

.page-products .pp-item__meta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.page-products .pp-item__dur {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-ink-700);
  white-space: nowrap;
}

.page-products .pp-item__body {
  display: grid;
  gap: 6px;
  padding: 2px 0 14px 13px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--c-ink-700);
}

.page-products .pp-item__body p {
  margin: 0;
}

.page-products .pp-item__k {
  display: inline-block;
  margin-right: 8px;
  font-weight: 700;
  color: var(--c-celadon-deep);
}

/* ---------- 版本变化 ---------- */
.page-products .pp-change {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-change__col {
  padding: var(--pp-pad);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-m);
  background: rgba(18, 50, 78, 0.5);
}

.page-products .pp-change__col--add {
  border-color: rgba(245, 166, 35, 0.45);
  background: linear-gradient(160deg, rgba(245, 166, 35, 0.12), rgba(18, 50, 78, 0.4));
}

.page-products .pp-change__col h3 {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-products .pp-change__col h3 .mono {
  font-family: var(--font-mono);
  font-size: clamp(24px, 2.6vw, 30px);
  font-weight: 400;
  color: var(--c-gold);
}

.page-products .pp-change__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pp-change__col li {
  position: relative;
  margin-bottom: 10px;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--c-mist);
}

.page-products .pp-change__col li:last-child {
  margin-bottom: 0;
}

.page-products .pp-change__col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-celadon);
}

.page-products .pp-change__col--add li::before {
  background: var(--c-gold);
}

/* ---------- 端与端的分工 ---------- */
.page-products .pp-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-split__panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(20px, 2.6vw, 34px);
  border: 1px solid var(--c-rule);
  border-radius: var(--radius-organic);
  background: var(--c-linen);
}

.page-products .pp-split__panel--ink {
  border-color: var(--line-dark-strong);
  background: linear-gradient(152deg, var(--c-ink-800), var(--c-ink-900) 76%);
  color: var(--c-paper);
}

.page-products .pp-split__panel h3 {
  margin: 0;
  font-size: clamp(18px, 2vw, 23px);
  font-weight: 900;
  line-height: 1.3;
}

.page-products .pp-split__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--c-ink-700);
}

.page-products .pp-split__panel--ink .pp-split__list {
  color: var(--c-mist);
}

.page-products .pp-split__list li {
  position: relative;
  padding-left: 18px;
}

.page-products .pp-split__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 8px;
  height: 1px;
  background: var(--c-celadon-deep);
}

.page-products .pp-split__panel--ink .pp-split__list li::before {
  background: var(--c-gold);
}

.page-products .pp-split__media {
  margin: 0;
  aspect-ratio: 3 / 2;
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-products .pp-split__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pp-split__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: auto;
  padding-top: 4px;
}

.page-products .pp-split__actions .btn {
  flex: 1 1 auto;
  text-align: center;
}

/* ---------- 行业包 ---------- */
.page-products .pp-packs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-products .pp-pack {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--c-rule);
  border-radius: var(--radius-s);
  background: var(--c-paper);
  transition: border-color var(--dur) var(--pp-ease), transform var(--dur) var(--pp-ease);
}

.page-products .pp-pack:hover {
  border-color: var(--c-celadon);
  transform: translateY(-2px);
}

.page-products .pp-pack__tag {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--c-celadon-deep);
}

.page-products .pp-pack__name {
  margin: 0;
  font-size: 16px;
  font-weight: 900;
}

.page-products .pp-pack__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--c-ink-700);
}

.page-products .pp-packs__note {
  margin: clamp(20px, 3vw, 32px) 0 0;
  max-width: 52em;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-ink-700);
}

.page-products .pp-packs__note a {
  color: var(--c-celadon-deep);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 开始步骤 ---------- */
.page-products .pp-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}

.page-products .pp-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-top: 1px solid var(--c-rule);
}

.page-products .pp-step:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-products .pp-step__num {
  font-family: var(--font-en);
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold);
}

.page-products .pp-step h3 {
  margin: 0 0 6px;
  font-size: clamp(16px, 1.5vw, 18px);
  font-weight: 800;
  line-height: 1.4;
}

.page-products .pp-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-ink-700);
}

.page-products .pp-steps__media {
  margin: 0;
  border: 1px solid var(--c-rule);
  border-radius: var(--radius-m);
  overflow: hidden;
  align-self: start;
}

.page-products .pp-steps__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pp-callout {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: clamp(28px, 4vw, 48px);
  padding: clamp(20px, 2.8vw, 32px);
  border: 1px solid var(--c-rule);
  border-left: 3px solid var(--c-gold);
  border-radius: var(--radius-s);
  background: var(--c-linen);
}

.page-products .pp-callout p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink-800);
}

.page-products .pp-callout p a {
  color: var(--c-celadon-deep);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .pp-packs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .pp-hero__actions .btn,
  .page-products .pp-split__actions .btn {
    flex: 0 0 auto;
  }
}

@media (min-width: 820px) {
  .page-products .pp-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-products .pp-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: stretch;
  }

  .page-products .pp-head {
    grid-template-columns: 104px minmax(0, 1fr);
    align-items: start;
    gap: clamp(14px, 2vw, 28px);
  }

  .page-products .pp-head__index {
    padding-top: 2px;
  }

  .page-products .pp-head--split {
    grid-template-columns: 104px minmax(0, 1fr) minmax(0, 300px);
    align-items: end;
  }

  .page-products .pp-head--split .pp-head__media {
    margin-bottom: 4px;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-products .pp-steps {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-products .pp-callout {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-products .pp-callout p {
    max-width: 46em;
  }
}

@media (min-width: 1000px) {
  .page-products .pp-packs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-products .pp-head--split {
    grid-template-columns: 104px minmax(0, 1fr) minmax(0, 360px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-chip,
  .page-products .pp-pack,
  .page-products .pp-item summary {
    transition: none;
  }

  .page-products .pp-chip:hover,
  .page-products .pp-pack:hover {
    transform: none;
  }
}