.page-products {
  --pd-gold-glow: rgba(255, 215, 0, 0.22);
  --pd-tag-dim: rgba(255, 255, 255, 0.08);
  background: var(--paper-white);
  color: var(--charcoal);
  overflow-x: hidden;
}

/* ===== Hero ===== */
.page-products .pd-hero {
  position: relative;
  background: var(--deep-green);
  color: var(--soft-white);
  padding: calc(var(--header-height) + 2.75rem) 0 3rem;
  overflow: hidden;
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, transparent 0 60%, rgba(255, 107, 53, 0.18) 60% 62.5%, transparent 62.5% 65%, rgba(255, 215, 0, 0.1) 65% 66.5%, transparent 66.5%);
  pointer-events: none;
}

.page-products .pd-hero::after {
  content: "";
  position: absolute;
  right: -3rem;
  top: 18%;
  width: 9rem;
  height: 9rem;
  border: 1px solid var(--pd-gold-glow);
  transform: rotate(28deg);
  pointer-events: none;
}

.page-products .pd-hero .ly-breadcrumb {
  position: relative;
  z-index: 3;
  margin-bottom: 2.25rem;
}

.page-products .pd-hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 2.25rem;
}

.page-products .pd-hero__content {
  max-width: 46rem;
}

.page-products .pd-hero__content h1 {
  font-family: var(--font-heading), "Noto Sans SC", sans-serif;
  font-style: italic;
  font-weight: 900;
  font-size: clamp(2rem, 5.4vw, 3.45rem);
  line-height: 1.12;
  letter-spacing: 0.015em;
  margin: 1rem 0 1.2rem;
  color: var(--paper-white);
  transform: skewX(-3deg);
  transform-origin: left center;
}

.page-products .pd-hero__content .ly-lead {
  color: rgba(247, 245, 240, 0.85);
  max-width: 38rem;
  line-height: 1.75;
  margin: 0;
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.page-products .pd-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.page-products .pd-stats li {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-md);
  padding: 0.9rem 1rem;
  transition: background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-products .pd-stats li:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 215, 0, 0.35);
}

.page-products .pd-stats strong {
  display: block;
  font-family: var(--font-heading), sans-serif;
  font-style: italic;
  font-weight: 700;
  font-size: 1.55rem;
  line-height: 1.2;
  color: var(--vivid-orange);
}

.page-products .pd-stats span {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: rgba(247, 245, 240, 0.75);
}

/* ===== Section 头部通用 ===== */
.page-products .pd-features__head,
.page-products .pd-timeline__head,
.page-products .pd-scenarios__head {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.page-products .pd-features__intro,
.page-products .pd-scenarios__intro {
  margin: 0;
  color: var(--muted-slate);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-products .pd-timeline__note {
  margin: 0;
  color: rgba(247, 245, 240, 0.75);
  font-size: 0.95rem;
  line-height: 1.7;
}

@media (min-width: 768px) {
  .page-products .pd-features__head,
  .page-products .pd-timeline__head,
  .page-products .pd-scenarios__head {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    align-items: end;
    gap: 1.5rem;
  }

  .page-products .pd-features__intro,
  .page-products .pd-scenarios__intro {
    text-align: right;
    padding-bottom: 0.4rem;
  }

  .page-products .pd-timeline__note {
    text-align: right;
    padding-bottom: 0.4rem;
  }
}

/* ===== 核心功能卡组 ===== */
.page-products .pd-features {
  padding: var(--space-xl) 0;
  position: relative;
}

.page-products .pd-features::after {
  content: "";
  position: absolute;
  top: 0;
  left: -5%;
  width: 38%;
  height: 0.3rem;
  background: linear-gradient(90deg, var(--vivid-orange), var(--golden), transparent);
  transform: skewX(-24deg);
  pointer-events: none;
}

.page-products .pd-flow {
  margin: 2rem 0 2.25rem;
  padding: 0.65rem;
  background: var(--soft-white);
  border: 1px solid var(--line-beige);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.page-products .pd-flow img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-md) - 2px);
}

.page-products .pd-flow figcaption {
  padding: 0.7rem 0.25rem 0.2rem;
  font-size: 0.85rem;
  color: var(--muted-slate);
  text-align: center;
}

.page-products .pd-feature-scroll {
  display: flex;
  gap: 1rem;
  margin: 0 -1.25rem -0.5rem;
  padding: 0.25rem 1.25rem 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--vivid-orange) var(--line-beige);
}

.page-products .pd-feature-card {
  flex: 0 0 82%;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  background: var(--soft-white);
  border: 1px solid var(--line-beige);
  border-radius: var(--radius-lg);
  padding: 1.35rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-products .pd-feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.page-products .pd-feature-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.page-products .pd-feature-card__img {
  margin: 0.25rem 0 0.35rem;
}

.page-products .pd-feature-card .ly-img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pd-feature-card__title {
  font-family: var(--font-heading), "Noto Sans SC", sans-serif;
  font-style: italic;
  font-size: 1.18rem;
  line-height: 1.3;
  margin: 0;
  color: var(--deep-green);
}

.page-products .pd-feature-card__desc {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--charcoal);
}

.page-products .pd-feature-card__list {
  list-style: none;
  margin: 0.1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.page-products .pd-feature-card__list li {
  font-size: 0.78rem;
  padding: 0.22rem 0.65rem;
  border-radius: 999px;
  background: rgba(11, 61, 46, 0.08);
  color: var(--deep-green);
  display: inline-flex;
  align-items: center;
}

.page-products .pd-feature-card__list li::before {
  content: "✦";
  color: var(--vivid-orange);
  font-size: 0.68rem;
  margin-right: 0.3rem;
}

.page-products .pd-feature-card .ly-btn {
  margin-top: auto;
  align-self: flex-start;
}

/* ===== 版本演进时间线 ===== */
.page-products .pd-timeline {
  background: var(--deep-green);
  color: var(--paper-white);
  padding: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}

.page-products .pd-timeline::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 84% 12%, rgba(255, 107, 53, 0.2), transparent 44%);
  pointer-events: none;
}

.page-products .pd-timeline::after {
  content: "";
  position: absolute;
  top: 2.1rem;
  left: -5%;
  width: 42%;
  height: 0.3rem;
  background: linear-gradient(90deg, var(--vivid-orange), var(--golden), transparent);
  transform: skewX(-24deg);
  pointer-events: none;
}

.page-products .pd-timeline .ly-title-lg {
  color: var(--paper-white);
}

.page-products .pd-timeline__head {
  position: relative;
  z-index: 2;
}

.page-products .pd-timeline__map {
  margin: 2rem auto 2.5rem;
  max-width: 720px;
  border: 1px solid rgba(255, 215, 0, 0.35);
  border-radius: var(--radius-md);
  padding: 0.4rem;
  background: rgba(255, 255, 255, 0.04);
}

.page-products .pd-timeline__map img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-md) - 2px);
}

.page-products .pd-timeline__track {
  position: relative;
  display: grid;
  gap: 1rem;
  margin-top: 2.25rem;
}

.page-products .pd-timeline__item {
  position: relative;
  padding-left: 2.75rem;
}

.page-products .pd-timeline__point {
  position: absolute;
  left: 0.35rem;
  top: 1.1rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--vivid-orange);
  border: 3px solid var(--deep-green);
  box-shadow: 0 0 0 2px var(--golden);
}

.page-products .pd-timeline__item::before {
  content: "";
  position: absolute;
  left: 0.78rem;
  top: 2.4rem;
  bottom: -1.1rem;
  width: 2px;
  background: linear-gradient(180deg, var(--golden), rgba(255, 215, 0, 0.12));
}

.page-products .pd-timeline__item:last-child::before {
  display: none;
}

.page-products .pd-timeline__card {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.2rem;
  transition: transform 0.3s var(--ease), background 0.3s var(--ease);
}

.page-products .pd-timeline__card:hover {
  transform: translateX(6px);
  background: rgba(255, 255, 255, 0.12);
}

.page-products .pd-timeline__card h3 {
  margin: 0.5rem 0 0.35rem;
  font-family: var(--font-heading), "Noto Sans SC", sans-serif;
  font-style: italic;
  font-size: 1.05rem;
  letter-spacing: 0.015em;
  color: var(--paper-white);
}

.page-products .pd-timeline__card p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.65;
  color: rgba(247, 245, 240, 0.8);
}

/* ===== 使用场景举例 ===== */
.page-products .pd-scenarios {
  padding: var(--space-xl) 0;
}

.page-products .pd-scenario-list {
  display: grid;
  gap: 0.85rem;
}

.page-products .pd-scenario {
  background: var(--soft-white);
  border: 1px solid var(--line-beige);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.page-products .pd-scenario summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem 1.25rem;
  cursor: pointer;
  transition: background 0.3s var(--ease);
}

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

.page-products .pd-scenario summary:hover {
  background: rgba(255, 107, 53, 0.05);
}

.page-products .pd-scenario__num {
  font-family: var(--font-heading), sans-serif;
  font-style: italic;
  font-size: 1.4rem;
  color: var(--vivid-orange);
  flex: 0 0 auto;
  line-height: 1;
}

.page-products .pd-scenario__summary-text {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-products .pd-scenario__summary-text strong {
  font-size: 1rem;
  color: var(--deep-green);
}

.page-products .pd-scenario__summary-text span {
  font-size: 0.84rem;
  color: var(--muted-slate);
  line-height: 1.5;
}

.page-products .pd-scenario__icon {
  color: var(--deep-green);
  font-size: 1.6rem;
  flex: 0 0 auto;
  line-height: 1;
  transition: transform 0.35s var(--ease);
}

.page-products .pd-scenario[open] .pd-scenario__icon {
  transform: rotate(45deg);
}

.page-products .pd-scenario__body {
  border-top: 1px dashed var(--line-beige);
  margin: 0 1.25rem;
  padding: 1rem 0 1.25rem;
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-products .pd-scenario__body p {
  margin: 0;
}

.page-products .pd-scenarios__figure {
  margin: 1.5rem 0 0;
  background: var(--soft-white);
  border: 1px solid var(--line-beige);
  border-radius: var(--radius-lg);
  padding: 0.6rem;
  box-shadow: var(--shadow-sm);
}

.page-products .pd-scenarios__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-md) - 2px);
}

.page-products .pd-scenarios__figure figcaption {
  padding: 0.7rem 0.25rem 0.2rem;
  font-size: 0.85rem;
  color: var(--muted-slate);
}

/* ===== 特色优势 ===== */
.page-products .pd-advantage {
  padding: var(--space-xl) 0;
}

.page-products .pd-advantage__grid {
  display: grid;
  gap: 2rem;
}

.page-products .pd-advantage__intro .ly-title-lg {
  margin: 0.5rem 0 1rem;
}

.page-products .pd-advantage__intro .ly-lead {
  margin-bottom: 1.5rem;
}

.page-products .pd-compare {
  display: grid;
  gap: 1rem;
}

.page-products .pd-compare__col {
  background: var(--paper-white);
  border: 1px solid var(--line-beige);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.page-products .pd-compare__col--accent {
  background: var(--deep-green);
  border-color: var(--deep-green);
  color: var(--soft-white);
}

.page-products .pd-compare__title {
  font-family: var(--font-heading), "Noto Sans SC", sans-serif;
  font-style: italic;
  font-size: 1.1rem;
  margin: 0 0 0.75rem;
}

.page-products .pd-compare__col--accent .pd-compare__title {
  color: var(--golden);
}

.page-products .pd-compare__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .pd-compare__list li {
  padding: 0.38rem 0;
  font-size: 0.9rem;
  border-bottom: 1px dashed rgba(107, 114, 128, 0.35);
  display: flex;
  gap: 0.6rem;
}

.page-products .pd-compare__col--accent .pd-compare__list li {
  border-bottom: 1px dashed rgba(255, 215, 0, 0.25);
}

.page-products .pd-compare__list li::before {
  content: "→";
  color: var(--vivid-orange);
  font-weight: 700;
}

.page-products .pd-compare__col--accent .pd-compare__list li::before {
  color: var(--golden);
}

.page-products .pd-compare__note {
  margin: 0.9rem 0 0;
  font-size: 0.85rem;
  color: var(--muted-slate);
}

.page-products .pd-compare__col--accent .pd-compare__note {
  color: rgba(247, 245, 240, 0.7);
}

.page-products .pd-advantage__figure {
  margin: 2rem 0 0;
  background: var(--soft-white);
  border: 1px solid var(--line-beige);
  border-radius: var(--radius-lg);
  padding: 0.6rem;
  max-width: 560px;
  box-shadow: var(--shadow-sm);
}

.page-products .pd-advantage__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-md) - 2px);
}

.page-products .pd-advantage__figure figcaption {
  padding: 0.6rem 0.25rem 0.15rem;
  font-size: 0.85rem;
  color: var(--muted-slate);
}

.page-products .pd-advantage__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.75rem;
}

/* ===== Outro ===== */
.page-products .pd-outro {
  background: var(--deep-green);
  color: var(--soft-white);
  padding: var(--space-xl) 0;
  position: relative;
  overflow: hidden;
}

.page-products .pd-outro::before {
  content: "";
  position: absolute;
  right: -4rem;
  top: -3rem;
  width: 14rem;
  height: 14rem;
  border: 1px solid rgba(255, 215, 0, 0.2);
  transform: rotate(28deg);
  pointer-events: none;
}

.page-products .pd-outro__inner {
  display: grid;
  gap: 1.75rem;
  position: relative;
  z-index: 2;
}

.page-products .pd-outro .ly-title-lg {
  color: var(--paper-white);
  margin: 0.4rem 0 0.6rem;
}

.page-products .pd-outro p {
  color: rgba(247, 245, 240, 0.8);
  max-width: 34rem;
  line-height: 1.75;
  margin: 0;
}

.page-products .pd-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* ===== 桌面断点 ===== */
@media (min-width: 768px) {
  .page-products .pd-hero__grid {
    grid-template-columns: minmax(0, 2.4fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-products .pd-stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-products .pd-feature-card {
    flex-basis: 44%;
  }

  .page-products .pd-timeline__track {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .page-products .pd-compare {
    grid-template-columns: 1fr 1fr;
  }

  .page-products .pd-outro__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-features {
    padding: var(--space-xxl) 0;
  }

  .page-products .pd-feature-scroll {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin: 0;
    padding: 0;
    overflow: visible;
  }

  .page-products .pd-feature-card {
    flex: 1 1 0;
    min-width: 0;
    margin: 0;
  }

  .page-products .pd-timeline {
    padding: var(--space-xxl) 0;
  }

  .page-products .pd-timeline__track {
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    margin-top: 2.5rem;
  }

  .page-products .pd-timeline__item {
    padding-left: 0;
    padding-top: 1.8rem;
  }

  .page-products .pd-timeline__point {
    left: 0;
    top: 0;
  }

  .page-products .pd-timeline__item::before {
    left: 0.7rem;
    top: 0.5rem;
    width: calc(100% - 0.7rem);
    height: 2px;
    bottom: auto;
    background: linear-gradient(90deg, var(--golden), rgba(255, 215, 0, 0.15));
  }

  .page-products .pd-timeline__item:last-child::before {
    display: none;
  }

  .page-products .pd-timeline__card {
    padding: 1rem;
  }

  .page-products .pd-scenarios {
    padding: var(--space-xxl) 0;
  }

  .page-products .pd-scenarios__figure {
    margin-top: 0;
  }

  .page-products .pd-advantage {
    padding: var(--space-xxl) 0;
  }

  .page-products .pd-advantage__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-products .pd-outro {
    padding: var(--space-xxl) 0;
  }
}

/* ===== 动效降级 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-products *,
  .page-products *::before,
  .page-products *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }

  .page-products .pd-feature-card:hover {
    transform: none;
  }

  .page-products .pd-timeline__card:hover {
    transform: none;
  }
}