.page-products {
  --pp-line: rgba(196, 154, 88, 0.2);
  --pp-line-soft: rgba(196, 154, 88, 0.1);
  --pp-pad: clamp(1.1rem, 2.6vw, 1.75rem);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: clamp(1.75rem, 5vw, 3.25rem) 0 clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(130% 100% at 8% 0%, rgba(196, 154, 88, 0.14), rgba(11, 14, 19, 0) 62%),
    linear-gradient(180deg, rgba(16, 27, 45, 0.9), rgba(11, 14, 19, 0) 88%);
}

.page-products .pp-hero__grid {
  display: grid;
  gap: var(--gap-lg);
  align-items: end;
}

.page-products .pp-hero__display .eyebrow {
  margin: 0 0 0.75rem;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--c-gold);
}

.page-products .pp-hero__version {
  margin: 0;
  font-size: clamp(3.6rem, 15vw, 7.5rem);
  line-height: 0.85;
  letter-spacing: -0.03em;
  background: var(--metal-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-products .pp-hero__title {
  margin: 1rem 0 0;
  font-size: clamp(1.5rem, 4.6vw, 2.4rem);
  line-height: 1.42;
  color: var(--c-sand);
  letter-spacing: -0.01em;
}

.page-products .pp-hero__meta .lead {
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(0.95rem, 2.1vw, 1.05rem);
  line-height: 1.9;
}

.page-products .pp-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

/* ---------- 版本快速定位 ---------- */
.page-products .pp-switch {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: clamp(1.75rem, 4vw, 3rem);
  border-top: 1px solid var(--pp-line);
  border-left: 1px solid var(--pp-line);
}

.page-products .pp-switch__item {
  display: grid;
  gap: 0.3rem;
  padding: 1.05rem 1.15rem;
  border-right: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
  background: linear-gradient(180deg, rgba(22, 36, 59, 0.55), rgba(11, 14, 19, 0.15));
  color: inherit;
  text-decoration: none;
  transition: background 0.28s ease, transform 0.28s ease;
}

.page-products .pp-switch__item:hover,
.page-products .pp-switch__item:focus-visible {
  background: linear-gradient(180deg, rgba(196, 154, 88, 0.16), rgba(22, 36, 59, 0.6));
}

.page-products .pp-switch__item.is-active {
  background: linear-gradient(180deg, rgba(196, 154, 88, 0.2), rgba(22, 36, 59, 0.7));
  box-shadow: inset 0 2px 0 0 var(--c-gold-bright);
}

.page-products .pp-switch__num {
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--c-gold);
}

.page-products .pp-switch__label {
  font-size: 1.12rem;
  color: var(--c-sand);
}

.page-products .pp-switch__hint {
  font-size: 0.8rem;
  color: var(--text-mute);
  line-height: 1.6;
}

/* ---------- 章节带 ---------- */
.page-products .pp-band {
  padding: var(--section-y) 0;
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .pp-band--tint {
  background: linear-gradient(180deg, rgba(16, 27, 45, 0.62), rgba(11, 14, 19, 0));
}

.page-products .pp-band--deep {
  background: var(--c-deep);
}

.page-products .section-head {
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

/* ---------- 版本卡片瀑布 ---------- */
.page-products .pp-matrix {
  display: grid;
  gap: var(--gap-md);
}

.page-products .pp-card {
  position: relative;
  padding: var(--pp-pad);
  border: 1px solid var(--pp-line);
  background: var(--surface-1);
  box-shadow: var(--shadow-panel);
}

.page-products .pp-card--stable { border-top: 2px solid var(--c-jade); }
.page-products .pp-card--big { border-top: 2px solid var(--c-gold); }
.page-products .pp-card--official { border-top: 2px solid var(--c-gold-bright); }

.page-products .pp-card .tag {
  margin: 0 0 0.85rem;
}

.page-products .pp-card__title {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  color: var(--c-sand);
}

.page-products .pp-card__desc {
  margin: 0.7rem 0 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-products .pp-spec {
  margin: 1.25rem 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--pp-line);
  display: grid;
  gap: 0.6rem;
}

.page-products .pp-spec__row {
  display: grid;
  grid-template-columns: 5rem minmax(0, 1fr);
  gap: 0.75rem;
  font-size: 0.86rem;
  line-height: 1.7;
}

.page-products .pp-spec__k {
  margin: 0;
  color: var(--c-gold);
  letter-spacing: 0.04em;
}

.page-products .pp-spec__v {
  margin: 0;
  color: var(--text-soft);
}

/* ---------- 通用分栏 ---------- */
.page-products .pp-split {
  display: grid;
  gap: var(--gap-lg);
}

.page-products .pp-split__note {
  margin: 1.25rem 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--text-mute);
}

.page-products .pp-split__note a {
  color: var(--c-gold-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

.page-products .pp-split__note a:hover {
  color: var(--c-sand);
}

/* ---------- 稳定版归档 ---------- */
.page-products .pp-archive {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-left: 1px solid var(--pp-line);
}

.page-products .pp-archive__item {
  display: grid;
  grid-template-columns: 4.25rem minmax(0, 1fr);
  gap: 1rem;
  padding: 1.15rem 0 1.15rem 1.1rem;
  border-bottom: 1px solid var(--pp-line-soft);
  position: relative;
}

.page-products .pp-archive__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 1.6rem;
  width: 7px;
  height: 7px;
  background: var(--c-gold);
  transform: rotate(45deg);
}

.page-products .pp-archive__num {
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--c-gold);
  padding-top: 0.25rem;
}

.page-products .pp-archive__title {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  color: var(--c-sand);
}

.page-products .pp-archive__body p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-products .pp-media {
  margin: 0;
  border: 1px solid var(--pp-line);
  background: var(--surface-2);
  box-shadow: var(--shadow-panel);
}

.page-products .pp-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 14 / 9;
  filter: saturate(0.92);
}

.page-products .pp-media--flow img,
.page-products .pp-media--flow img {
  aspect-ratio: 14 / 9;
}

.page-products .pp-media .media-frame__caption {
  display: block;
  padding: 0.7rem 0.9rem;
  font-size: 0.76rem;
  line-height: 1.6;
  color: var(--text-mute);
  border-top: 1px solid var(--pp-line-soft);
}

.page-products .pp-statline {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: var(--gap-md);
  background: var(--pp-line-soft);
  border: 1px solid var(--pp-line);
}

.page-products .pp-statline__item {
  display: grid;
  gap: 0.2rem;
  padding: 0.9rem 0.75rem;
  background: var(--surface-2);
}

.page-products .pp-statline__num {
  font-size: clamp(1.4rem, 3.4vw, 1.9rem);
  color: var(--c-gold-bright);
  line-height: 1;
}

.page-products .pp-statline__label {
  font-size: 0.72rem;
  color: var(--text-mute);
  line-height: 1.5;
}

/* ---------- 大屏版 ---------- */
.page-products .pp-check__title {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  color: var(--c-sand);
}

.page-products .pp-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-products .pp-checklist__item {
  display: grid;
  grid-template-columns: 1.75rem minmax(0, 1fr);
  gap: 0.7rem;
  align-items: start;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--pp-line-soft);
  background: var(--surface-1);
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-products .pp-checklist__k {
  display: inline-grid;
  place-items: center;
  width: 1.6rem;
  height: 1.6rem;
  font-size: 0.72rem;
  color: var(--c-obsidian);
  background: var(--metal-grad);
}

.page-products .pp-scene__heading {
  margin: clamp(2.25rem, 5vw, 3.25rem) 0 1.15rem;
  font-size: clamp(1.1rem, 2.6vw, 1.35rem);
  color: var(--c-sand);
}

.page-products .pp-scene {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1px;
  background: var(--pp-line-soft);
  border: 1px solid var(--pp-line);
}

.page-products .pp-scene__item {
  display: grid;
  gap: 0.35rem;
  padding: 0.85rem 0.8rem;
  background: rgba(16, 27, 45, 0.86);
  transition: background 0.25s ease;
}

.page-products .pp-scene__item:hover {
  background: rgba(22, 36, 59, 0.95);
}

.page-products .pp-scene__num {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--c-gold);
}

.page-products .pp-scene__text {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--text-soft);
}

/* ---------- 正式版服务清单 ---------- */
.page-products .pp-services {
  display: grid;
  gap: 0.6rem;
}

.page-products .pp-service {
  border: 1px solid var(--pp-line);
  background: rgba(16, 27, 45, 0.78);
}

.page-products .pp-service[open] {
  border-color: var(--line-gold);
  background: var(--surface-2);
}

.page-products .pp-service summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem var(--pp-pad);
  color: var(--c-sand);
}

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

.page-products .pp-service summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--c-gold);
  line-height: 1;
}

.page-products .pp-service[open] summary::after {
  content: "−";
  color: var(--c-gold-bright);
}

.page-products .pp-service__label {
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}

.page-products .pp-service__count {
  margin-left: auto;
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--text-mute);
  padding-right: 0.75rem;
}

.page-products .pp-service__body {
  padding: 0 var(--pp-pad) 1.1rem;
  border-top: 1px dashed var(--pp-line-soft);
}

.page-products .pp-service__body ul {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-products .pp-service__body li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-products .pp-service__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62rem;
  width: 6px;
  height: 1px;
  background: var(--c-jade-soft);
}

/* ---------- 服务流程 ---------- */
.page-products .pp-flow-wrap {
  display: grid;
  gap: var(--gap-lg);
}

.page-products .pp-flow {
  list-style: none;
  margin: 0;
  padding: 0 0 0 1.25rem;
  border-left: 1px solid var(--pp-line);
  display: grid;
  gap: 1.5rem;
}

.page-products .pp-flow__step {
  position: relative;
}

.page-products .pp-flow__step::before {
  content: "";
  position: absolute;
  left: calc(-1.25rem - 4px);
  top: 0.35rem;
  width: 8px;
  height: 8px;
  background: var(--c-gold);
  transform: rotate(45deg);
}

.page-products .pp-flow__num {
  display: block;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--c-gold);
}

.page-products .pp-flow__title {
  margin: 0.35rem 0 0.45rem;
  font-size: 1.08rem;
  color: var(--c-sand);
}

.page-products .pp-flow__step p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 终端对照表 ---------- */
.page-products .pp-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--pp-line);
  background: rgba(16, 27, 45, 0.7);
}

.page-products .pp-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.page-products .pp-table th,
.page-products .pp-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pp-line-soft);
  line-height: 1.7;
}

.page-products .pp-table thead th {
  background: rgba(22, 36, 59, 0.95);
  color: var(--c-gold);
  font-weight: 500;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-products .pp-table tbody th {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  color: var(--c-sand);
  white-space: nowrap;
}

.page-products .pp-table tbody td {
  color: var(--text-soft);
}

.page-products .pp-table tbody tr:hover td,
.page-products .pp-table tbody tr:hover th {
  background: rgba(196, 154, 88, 0.07);
}

.page-products .pp-table__note {
  margin: 1.25rem 0 0;
  font-size: 0.86rem;
  line-height: 1.85;
  color: var(--text-mute);
}

.page-products .pp-table__note a {
  color: var(--c-gold-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
}

/* ---------- 结尾行动区 ---------- */
.page-products .pp-cta-band {
  border-top: 1px solid var(--pp-line);
  background:
    radial-gradient(120% 140% at 88% 12%, rgba(196, 154, 88, 0.16), rgba(11, 14, 19, 0) 60%),
    var(--c-obsidian);
}

.page-products .pp-cta {
  display: grid;
  gap: var(--gap-md);
  padding: clamp(1.5rem, 4vw, 2.75rem);
  border: 1px solid var(--line-gold);
  background: linear-gradient(135deg, rgba(16, 27, 45, 0.95), rgba(11, 14, 19, 0.9));
  box-shadow: var(--shadow-panel);
}

.page-products .pp-cta__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.3rem, 3.4vw, 1.85rem);
  line-height: 1.45;
  color: var(--c-sand);
}

.page-products .pp-cta__text p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--text-soft);
  max-width: 60ch;
}

.page-products .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .pp-switch {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-products .pp-statline {
    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);
    gap: clamp(2rem, 5vw, 4rem);
  }

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

  .page-products .pp-matrix > .pp-card:nth-child(2) {
    margin-top: 2.5rem;
  }

  .page-products .pp-matrix > .pp-card:nth-child(3) {
    margin-top: 1.1rem;
  }

  .page-products .pp-split {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: start;
  }

  .page-products .pp-split--reverse .pp-split__side {
    order: -1;
  }

  .page-products .pp-split--tight {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    margin-top: 2rem;
    align-items: center;
  }

  .page-products .pp-flow-wrap {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }

  .page-products .pp-flow {
    gap: 1.85rem;
  }

  .page-products .pp-cta {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: center;
  }

  .page-products .pp-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1100px) {
  .page-products .pp-scene {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-products .pp-hero__meta {
    padding-bottom: 1.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pp-switch__item,
  .page-products .pp-scene__item {
    transition: none;
  }
}