.page-products {
  --pp-gap: clamp(14px, 2.2vw, 26px);
  --pp-pad: clamp(16px, 2.4vw, 26px);
  --pp-sec-y: clamp(48px, 7vw, 96px);
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-products .pp-hero {
  position: relative;
  padding: calc(var(--header-h) + 26px) 0 clamp(40px, 6vw, 78px);
  background:
    radial-gradient(115% 78% at 86% -12%, rgba(215, 168, 75, 0.16), transparent 62%),
    radial-gradient(90% 60% at 4% 110%, rgba(158, 43, 37, 0.22), transparent 66%),
    linear-gradient(180deg, var(--ink-soft), var(--ink) 76%);
  border-bottom: 1px solid var(--hair-soft);
}

.page-products .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(215, 168, 75, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(215, 168, 75, 0.05) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.7;
}

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

.page-products .pp-hero .breadcrumb {
  margin-bottom: clamp(22px, 3vw, 40px);
}

.page-products .pp-hero .eyebrow {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-products .pp-hero__copy {
  max-width: 62ch;
}

.page-products .pp-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.8vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-products .pp-hero__lede {
  margin: 0;
  max-width: 46em;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 首屏仪表板 ---------- */
.page-products .pp-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  margin-top: clamp(30px, 4.5vw, 56px);
}

.page-products .pp-board__cap {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

.page-products .pp-tagwall {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--hair-soft);
}

.page-products .pp-tag {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 2px 14px;
  padding: 14px 14px 14px 18px;
  border-bottom: 1px solid var(--hair-soft);
  border-left: 2px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: background 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-products .pp-tag:hover,
.page-products .pp-tag:focus-visible {
  background: rgba(158, 43, 37, 0.16);
  border-left-color: var(--gold);
  outline: none;
}

.page-products .pp-tag__no {
  grid-row: 1;
  grid-column: 1;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
  padding-top: 3px;
}

.page-products .pp-tag__name {
  grid-row: 1;
  grid-column: 2;
  font-size: 17px;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: 0.01em;
}

.page-products .pp-tag__desc {
  grid-row: 2;
  grid-column: 1 / -1;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-dim);
}

.page-products .pp-tag:hover .pp-tag__desc,
.page-products .pp-tag:focus-visible .pp-tag__desc {
  color: var(--text);
}

.page-products .pp-board__stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
}

/* ---------- 图片容器 ---------- */
.page-products .pp-shot {
  position: relative;
  margin: 0;
  border: 1px solid var(--hair-soft);
  background: linear-gradient(150deg, var(--indigo), var(--ink-soft) 80%);
  overflow: hidden;
}

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

.page-products .pp-shot__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 8px 14px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--cream);
  background: rgba(19, 15, 20, 0.82);
  border-top: 1px solid var(--hair);
  border-right: 1px solid var(--hair);
}

.page-products .pp-shot--band {
  margin-bottom: clamp(24px, 3.4vw, 42px);
}

/* ---------- 版本卡 ---------- */
.page-products .pp-version {
  padding: var(--pp-pad);
  background: linear-gradient(165deg, var(--indigo), var(--ink-soft));
  border: 1px solid var(--hair);
  border-left: 3px solid var(--gold);
}

.page-products .pp-version__label {
  margin: 0 0 6px;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--text-dim);
}

.page-products .pp-version__num {
  margin: 0 0 8px;
  font-size: clamp(34px, 7vw, 52px);
  line-height: 1;
  font-weight: 700;
  color: var(--gold-bright);
  letter-spacing: -0.01em;
}

.page-products .pp-version__meta {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .pp-version__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  list-style: none;
  margin: 0 0 20px;
  padding: 14px 0 0;
  border-top: 1px solid var(--hair-soft);
  font-size: 12px;
  color: var(--text-dim);
}

.page-products .pp-version__facts .mono {
  color: var(--butter);
  font-size: 14px;
  margin-right: 2px;
}

/* ---------- 章节 ---------- */
.page-products .pp-sec {
  padding: var(--pp-sec-y) 0;
  border-bottom: 1px solid var(--hair-soft);
}

.page-products .pp-sec--indigo {
  background: linear-gradient(180deg, rgba(27, 42, 74, 0.5), rgba(19, 15, 20, 0.1));
}

.page-products .pp-sec--dark {
  background:
    radial-gradient(80% 60% at 92% 0%, rgba(158, 43, 37, 0.2), transparent 68%),
    var(--ink-soft);
}

.page-products .chapter-band {
  margin-bottom: clamp(16px, 2.2vw, 26px);
}

.page-products .pp-lead {
  margin: 0 0 clamp(26px, 3.6vw, 44px);
  max-width: 56em;
  font-size: clamp(14px, 1.4vw, 17px);
  line-height: 1.85;
  color: var(--text);
  border-left: 2px solid var(--saffron);
  padding-left: 16px;
}

/* ---------- 标签分组 ---------- */
.page-products .pp-groups {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
}

.page-products .pp-group {
  padding: 20px 18px 16px;
  border: 1px solid var(--hair-soft);
  border-top: 2px solid var(--saffron);
  background: linear-gradient(180deg, rgba(27, 42, 74, 0.42), rgba(19, 15, 20, 0.18));
  scroll-margin-top: calc(var(--header-h) + 20px);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-products .pp-group:hover {
  border-color: var(--hair);
  background: linear-gradient(180deg, rgba(27, 42, 74, 0.6), rgba(19, 15, 20, 0.24));
}

.page-products .pp-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.page-products .pp-group__no {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-products .pp-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 800;
  color: var(--cream);
  letter-spacing: -0.01em;
}

.page-products .pp-group__desc {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .pp-group__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  border-top: 1px solid var(--hair-soft);
}

.page-products .pp-group__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 3px 10px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--hair-soft);
}

.page-products .pp-group__code {
  grid-row: 1;
  grid-column: 1;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--gold-bright);
  padding-top: 3px;
}

.page-products .pp-group__fname {
  grid-row: 1;
  grid-column: 2;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cream);
}

.page-products .pp-group__meta {
  grid-row: 2;
  grid-column: 2;
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.page-products .pp-group__link {
  display: inline-block;
  font-size: 13px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-products .pp-group__link:hover,
.page-products .pp-group__link:focus-visible {
  color: var(--gold-bright);
  border-bottom-color: var(--gold-bright);
  outline: none;
}

/* ---------- 版本章节 ---------- */
.page-products .pp-vgrid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-products .pp-vblock {
  padding: clamp(20px, 3vw, 32px);
  background: linear-gradient(150deg, var(--saffron-deep), var(--ink-soft));
  border: 1px solid var(--hair);
  border-left: 4px solid var(--gold-bright);
  margin-bottom: clamp(20px, 2.6vw, 30px);
}

.page-products .pp-vblock__label {
  margin: 0 0 8px;
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--butter);
}

.page-products .pp-vblock__num {
  margin: 0 0 12px;
  font-size: clamp(42px, 9vw, 88px);
  line-height: 0.95;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--gold-bright);
}

.page-products .pp-vblock__range {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(246, 232, 207, 0.72);
}

.page-products .pp-vnotes {
  list-style: none;
  margin: 0 0 clamp(20px, 2.6vw, 30px);
  padding: 0;
}

.page-products .pp-vnotes li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hair-soft);
}

.page-products .pp-vnotes li:first-child {
  border-top: 1px solid var(--hair-soft);
}

.page-products .pp-vnotes__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--saffron);
  padding-top: 2px;
}

.page-products .pp-vnotes__title {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--cream);
}

.page-products .pp-vnotes p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .pp-details {
  border: 1px solid var(--hair);
  background: rgba(19, 15, 20, 0.5);
}

.page-products .pp-details summary {
  cursor: pointer;
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.02em;
  list-style: none;
}

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

.page-products .pp-details summary::before {
  content: "+";
  display: inline-block;
  width: 18px;
  font-family: var(--font-mono);
  color: var(--gold-bright);
}

.page-products .pp-details[open] summary::before {
  content: "−";
}

.page-products .pp-details summary:hover,
.page-products .pp-details summary:focus-visible {
  color: var(--gold-bright);
  outline: none;
}

.page-products .pp-details__list {
  list-style: none;
  margin: 0;
  padding: 4px 18px 18px;
  border-top: 1px solid var(--hair-soft);
}

.page-products .pp-details__list li {
  position: relative;
  padding: 9px 0 9px 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--text-dim);
  border-bottom: 1px dashed var(--hair-soft);
}

.page-products .pp-details__list li:last-child {
  border-bottom: 0;
}

.page-products .pp-details__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- 下载目录 ---------- */
.page-products .pp-files {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
  margin-top: clamp(22px, 3vw, 36px);
}

.page-products .pp-filetype {
  padding: 20px 18px 16px;
  border: 1px solid var(--hair-soft);
  background: var(--ink-soft);
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-products .pp-filetype:hover {
  border-color: var(--hair);
  transform: translateY(-2px);
}

.page-products .pp-filetype__code {
  margin: 0 0 8px;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--butter);
}

.page-products .pp-filetype__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  color: var(--cream);
  letter-spacing: -0.01em;
  border-bottom: 2px solid var(--saffron);
  padding-bottom: 10px;
  display: inline-block;
}

.page-products .pp-filetype__desc {
  margin: 12px 0 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-products .pp-filetype__list {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  border-top: 1px solid var(--hair-soft);
}

.page-products .pp-filetype__list li {
  padding: 9px 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--cream);
  border-bottom: 1px dashed var(--hair-soft);
}

.page-products .pp-filetype__list .mono {
  display: inline-block;
  margin-right: 8px;
  font-size: 10.5px;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-products .pp-filetype__count {
  margin: 0;
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

/* ---------- 时间轴 ---------- */
.page-products .pp-timeline {
  display: flex;
  gap: var(--pp-gap);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 18px;
  -webkit-overflow-scrolling: touch;
}

.page-products .pp-timeline::-webkit-scrollbar {
  height: 5px;
}

.page-products .pp-timeline::-webkit-scrollbar-track {
  background: var(--hair-soft);
}

.page-products .pp-timeline::-webkit-scrollbar-thumb {
  background: var(--gold);
}

.page-products .pp-batch {
  flex: 0 0 min(80%, 296px);
  scroll-snap-align: start;
  padding: 20px 18px;
  background: linear-gradient(170deg, rgba(107, 23, 20, 0.62), rgba(19, 15, 20, 0.9));
  border: 1px solid var(--hair-soft);
  border-top: 2px solid var(--gold);
}

.page-products .pp-batch__no {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold-bright);
}

.page-products .pp-batch__when {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 700;
  color: var(--cream);
}

.page-products .pp-batch__count {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--text-dim);
}

.page-products .pp-batch__count .mono {
  font-size: 30px;
  line-height: 1;
  color: var(--butter);
  margin-right: 4px;
}

.page-products .pp-batch__desc {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
  min-height: 3.4em;
}

.page-products .pp-batch__tags {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--hair-soft);
  font-size: 10.5px;
  letter-spacing: 0.05em;
  color: rgba(246, 232, 207, 0.5);
}

/* ---------- 上手路径 ---------- */
.page-products .pp-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-products .pp-paths__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
}

.page-products .pp-path {
  padding: 20px 18px;
  border: 1px solid var(--hair-soft);
  border-left: 3px solid var(--saffron);
  background: rgba(19, 15, 20, 0.55);
}

.page-products .pp-path--gold {
  border-left-color: var(--gold);
}

.page-products .pp-path--indigo {
  border-left-color: var(--indigo);
  box-shadow: inset 3px 0 0 rgba(246, 232, 207, 0.16);
}

.page-products .pp-path__label {
  margin: 0 0 8px;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

.page-products .pp-path__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  color: var(--cream);
}

.page-products .pp-path__steps {
  margin: 0 0 14px;
  padding-left: 20px;
  list-style: decimal;
}

.page-products .pp-path__steps li {
  padding: 5px 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-products .pp-path__steps li::marker {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
}

/* ---------- 结尾引导 ---------- */
.page-products .pp-cta {
  padding: var(--pp-sec-y) 0;
  background:
    radial-gradient(90% 80% at 10% 0%, rgba(158, 43, 37, 0.42), transparent 65%),
    linear-gradient(180deg, var(--ink-soft), var(--ink));
}

.page-products .pp-cta__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-products .pp-cta__text {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 52em;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--text-dim);
}

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

/* ---------- 响应式 ---------- */
@media (max-width: 639px) {
  .page-products .pp-shot--hero,
  .page-products .pp-shot--band,
  .page-products .pp-shot--tall,
  .page-products .pp-shot--side {
    aspect-ratio: 3 / 2;
  }

  .page-products .pp-shot--hero img,
  .page-products .pp-shot--band img,
  .page-products .pp-shot--tall img,
  .page-products .pp-shot--side img {
    height: 100%;
    object-fit: cover;
  }

  .page-products .pp-batch {
    flex: 0 0 84%;
  }
}

@media (min-width: 720px) {
  .page-products .pp-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 960px) {
  .page-products .pp-board {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-products .pp-vgrid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  }

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

  .page-products .pp-paths {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: stretch;
  }

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

  .page-products .pp-batch {
    flex: 0 0 300px;
  }
}

@media (min-width: 1100px) {
  .page-products .pp-board__stage {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.86fr);
    align-items: stretch;
  }

  .page-products .pp-shot--hero {
    height: 100%;
  }

  .page-products .pp-shot--hero img {
    height: 100%;
    object-fit: cover;
  }
}