.page-products {
  background: var(--ink);
  color: var(--white);
}

.page-products .pd-crumbs {
  padding-block: 20px 0;
}

.page-products .pd-crumbs .breadcrumbs {
  font-size: 0.82rem;
  letter-spacing: 0.02em;
}

/* ---------- 首屏 ---------- */

.page-products .pd-hero {
  position: relative;
  padding-block: clamp(2.25rem, 5vw, 4.5rem) clamp(3rem, 7vw, 6rem);
  overflow: hidden;
}

.page-products .pd-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(58%, 720px);
  height: 100%;
  background: linear-gradient(200deg, rgba(53, 240, 208, 0.09), rgba(142, 123, 255, 0.05) 46%, transparent 78%);
  clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 68%);
  pointer-events: none;
}

.page-products .pd-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}

.page-products .pd-hero__copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 6.4vw, 4.1rem);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0.6rem 0 1.1rem;
  max-width: 20ch;
}

.page-products .pd-hero__copy .lede {
  max-width: 62ch;
  color: var(--silver);
  font-size: clamp(1rem, 1.6vw, 1.12rem);
  line-height: 1.85;
}

.page-products .pd-hero__meta {
  margin: 1.4rem 0 1.8rem;
  font-family: var(--font-mono);
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-products .pd-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0;
}

.page-products .pd-hero__aside {
  position: relative;
  padding: clamp(1.35rem, 3vw, 2rem);
  background: linear-gradient(158deg, var(--deep), var(--steel));
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-products .pd-aside-label {
  margin: 0 0 1rem;
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .pd-aside-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
}

.page-products .pd-aside-list li {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.85rem;
  padding: 0.78rem 0.35rem;
  background: var(--deep);
  transition: background 200ms ease, transform 200ms ease;
}

.page-products .pd-aside-list li:hover {
  background: var(--card-up);
  transform: translateX(3px);
}

.page-products .pd-aside-dot {
  width: 8px;
  height: 8px;
  background: var(--pd-accent, var(--cyan));
}

.page-products .pd-aside-name {
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.page-products .pd-aside-note {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--mist);
}

.page-products .pd-aside-foot {
  margin: 1.15rem 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 强调色作用域 ---------- */

.page-products [data-accent="cyan"] { --pd-accent: var(--cyan); }
.page-products [data-accent="yellow"] { --pd-accent: var(--yellow); }
.page-products [data-accent="orange"] { --pd-accent: var(--orange); }
.page-products [data-accent="violet"] { --pd-accent: var(--violet); }

.page-products .eyebrow--accent {
  color: var(--pd-accent, var(--cyan));
}

/* ---------- 章节标题 ---------- */

.page-products .pd-section-head {
  max-width: 66ch;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.page-products .pd-section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.6vw, 2.5rem);
  line-height: 1.22;
  margin: 0.55rem 0 0.9rem;
}

.page-products .pd-section-head p {
  color: var(--silver);
  line-height: 1.9;
}

/* ---------- 分区总览 ---------- */

.page-products .pd-overview {
  padding-block: clamp(3rem, 7vw, 6rem);
  background: linear-gradient(180deg, var(--ink), var(--deep) 55%, var(--ink));
}

.page-products .pd-overview__figure {
  margin: 0 0 clamp(2rem, 5vw, 3.25rem);
  border: 1px solid var(--line);
}

.page-products .pd-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pd-index__item {
  position: relative;
  padding: 1.35rem 1.4rem 1.5rem;
  background: var(--card);
  transition: background 220ms ease, transform 220ms ease;
}

.page-products .pd-index__item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--pd-accent, var(--cyan));
}

.page-products .pd-index__item:hover {
  background: var(--card-up);
  transform: translateY(-2px);
}

.page-products .pd-index__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--pd-accent, var(--cyan));
}

.page-products .pd-index__title {
  font-family: var(--font-display);
  font-size: 1.18rem;
  margin: 0.5rem 0 0.4rem;
}

.page-products .pd-index__desc {
  margin: 0 0 0.9rem;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-products .pd-index__link {
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color 200ms ease, border-color 200ms ease;
}

.page-products .pd-index__link:hover {
  color: var(--pd-accent, var(--cyan));
  border-color: var(--pd-accent, var(--cyan));
}

/* ---------- 分区抽屉 ---------- */

.page-products .pd-drawer {
  position: relative;
  padding-block: clamp(3rem, 7vw, 6rem);
  border-top: 1px solid var(--line);
}

.page-products .pd-drawer--ink { background: var(--ink); }
.page-products .pd-drawer--deep { background: var(--deep); }

.page-products .pd-drawer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: clamp(18px, 2.4vw, 34px);
  background: var(--pd-accent, var(--cyan));
  opacity: 0.12;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), 0 100%);
  pointer-events: none;
}

.page-products .pd-drawer__inner {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-products .pd-drawer__no {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  line-height: 0.9;
  color: var(--pd-accent, var(--cyan));
  margin-bottom: 0.9rem;
}

.page-products .pd-drawer__label h2 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3.2vw, 2.1rem);
  line-height: 1.25;
  margin: 0.5rem 0 0;
}

.page-products .pd-drawer__body .lede {
  color: var(--silver);
  line-height: 1.95;
  max-width: 70ch;
}

.page-products .pd-drawer__body .lede a,
.page-products .pd-drawer__body a {
  color: var(--white);
}

/* ---------- 数据卡片 ---------- */

.page-products .pd-cards {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
  margin-top: clamp(1.5rem, 3.5vw, 2.25rem);
}

.page-products .pd-card {
  position: relative;
  padding: 1.2rem 1.3rem 1.4rem;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.page-products .pd-card:hover,
.page-products .pd-card:focus-within {
  transform: translateY(-3px);
  border-color: var(--pd-accent, var(--cyan));
  background: var(--card-up);
}

.page-products .pd-card__val {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3.4vw, 2.05rem);
  line-height: 1.05;
  color: var(--pd-accent, var(--cyan));
  word-break: keep-all;
}

.page-products .pd-card__unit {
  display: inline-block;
  margin-left: 5px;
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .pd-card__label {
  display: block;
  margin-top: 0.55rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .pd-card__note {
  margin: 0.75rem 0 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-products .pd-card__meta {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--mist);
  transition: max-height 220ms ease, opacity 220ms ease, margin-top 220ms ease;
}

.page-products .pd-card:hover .pd-card__meta,
.page-products .pd-card:focus-within .pd-card__meta {
  max-height: 8rem;
  opacity: 1;
  margin-top: 0.7rem;
}

/* ---------- 配图 ---------- */

.page-products .pd-figure {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  border: 1px solid var(--line);
}

.page-products .pd-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pd-figure .figure-caption {
  padding: 0.8rem 0.2rem 0;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 微型柱图 ---------- */

.page-products .pd-spark-wrap {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding: 1.15rem 1.3rem 1.35rem;
  border: 1px solid var(--line);
  background: var(--card);
}

.page-products .pd-spark-label {
  margin: 0 0 0.85rem;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .pd-spark {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
}

.page-products .pd-spark rect {
  fill: var(--pd-accent, var(--cyan));
}

/* ---------- 面板双曲线 ---------- */

.page-products .pd-panel-curve {
  margin-top: clamp(1.75rem, 4vw, 2.5rem);
  padding: 1.25rem 1.35rem 1.4rem;
  border: 1px solid var(--line);
  background: var(--steel);
}

.page-products .pd-curve {
  display: block;
  width: 100%;
  max-width: 640px;
  height: auto;
}

.page-products .pd-curve-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  margin: 0.95rem 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-products .pd-curve-legend > span {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.page-products .pd-legend-swatch {
  width: 12px;
  height: 3px;
  background: var(--pd-accent, var(--cyan));
}

/* ---------- 使用场景 ---------- */

.page-products .pd-scenarios {
  padding-block: clamp(3rem, 7vw, 6rem);
  background: var(--ink);
  border-top: 1px solid var(--line);
}

.page-products .pd-scenarios__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pd-scenarios__item {
  position: relative;
  padding: 1.5rem 1.4rem 1.6rem;
  background: var(--card);
  transition: background 220ms ease;
}

.page-products .pd-scenarios__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--pd-accent, var(--cyan));
}

.page-products .pd-scenarios__item:hover {
  background: var(--card-up);
}

.page-products .pd-scenarios__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--pd-accent, var(--cyan));
}

.page-products .pd-scenarios__item h3 {
  font-family: var(--font-display);
  font-size: 1.22rem;
  margin: 0.5rem 0 0.65rem;
}

.page-products .pd-scenarios__item p {
  margin: 0 0 0.85rem;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-products .pd-scenarios__path {
  font-size: 0.83rem;
  color: var(--mist) !important;
  margin-bottom: 0 !important;
}

.page-products .pd-scenarios__path a {
  color: var(--white);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color 200ms ease, border-color 200ms ease;
}

.page-products .pd-scenarios__path a:hover {
  color: var(--pd-accent, var(--cyan));
  border-color: var(--pd-accent, var(--cyan));
}

/* ---------- 继续了解 ---------- */

.page-products .pd-next {
  margin-top: clamp(2rem, 4.5vw, 3rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
}

.page-products .pd-next__label {
  margin: 0 0 1rem;
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-products .pd-next__links {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .pd-next__link {
  display: block;
  padding: 1rem 1.15rem;
  background: var(--deep);
  color: var(--white);
  text-decoration: none;
  font-size: 0.95rem;
  transition: background 200ms ease, padding-left 200ms ease;
}

.page-products .pd-next__link:hover {
  background: var(--card-up);
  padding-left: 1.45rem;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-products .pd-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-scenarios__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-next__links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-products .pd-hero__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(2rem, 5vw, 4rem);
  }
  .page-products .pd-drawer__inner {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4.5rem);
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-products .pd-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pd-index {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .pd-scenarios__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-next__links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pd-drawer__inner {
    grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
  }
}

@media (hover: none) {
  .page-products .pd-card__meta {
    max-height: none;
    opacity: 1;
    margin-top: 0.7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-card,
  .page-products .pd-index__item,
  .page-products .pd-aside-list li,
  .page-products .pd-next__link {
    transition: none;
  }
  .page-products .pd-card:hover,
  .page-products .pd-index__item:hover,
  .page-products .pd-aside-list li:hover {
    transform: none;
  }
}