.page-products {
  --pp-line: rgba(169, 175, 185, 0.24);
  --pp-line-strong: rgba(169, 175, 185, 0.44);
  --pp-pad: clamp(18px, 2.6vw, 34px);
  --pp-gap: clamp(16px, 2.4vw, 32px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-products .breadcrumbs {
  padding: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}
.page-products .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-products .breadcrumbs a:hover {
  color: var(--ember);
  border-bottom-color: var(--ember);
}
.page-products .breadcrumbs [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-products .hero {
  position: relative;
  margin-top: 14px;
  border: 1px solid var(--pp-line-strong);
  background: var(--ink);
  overflow: hidden;
}
.page-products .hero::before,
.page-products .hero::after {
  content: "";
  position: absolute;
  width: 15px;
  height: 15px;
  border: 1px solid var(--cyan);
  opacity: 0.55;
  z-index: 3;
  pointer-events: none;
}
.page-products .hero::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}
.page-products .hero::after {
  bottom: -1px;
  right: -1px;
  border-left: 0;
  border-top: 0;
}
.page-products .hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.14;
  pointer-events: none;
}
.page-products .hero-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-products .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
  padding: var(--pp-pad);
  background:
    radial-gradient(110% 80% at 8% 0%, rgba(255, 154, 77, 0.2), transparent 62%),
    radial-gradient(90% 70% at 100% 110%, rgba(25, 227, 168, 0.1), transparent 60%);
}
.page-products .hero-main h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 5vw, 3.85rem);
  line-height: 1.03;
  letter-spacing: -0.01em;
  color: var(--paper);
  max-width: 14em;
}
.page-products .hero-main .lede {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  line-height: 1.85;
  color: var(--mist);
}
.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.page-products .hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--pp-line);
  border-left: 1px solid var(--pp-line);
  background: rgba(13, 14, 17, 0.55);
}
.page-products .hero-stat {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 16px;
  border-right: 1px solid var(--pp-line);
  border-bottom: 1px solid var(--pp-line);
}
.page-products .hero-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}
.page-products .hero-lab {
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist);
}
.page-products .hero-figure {
  position: relative;
  z-index: 1;
  margin: 0;
  border-top: 1px solid var(--pp-line);
  background: var(--ink);
}
.page-products .hero-figure img {
  display: block;
  width: 100%;
  height: clamp(170px, 26vw, 320px);
  object-fit: cover;
}
.page-products .hero-figure .media-caption {
  padding: 10px 18px;
  border-top: 1px solid var(--pp-line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 分区吸顶条 ---------- */
.page-products .sync-bar {
  position: sticky;
  top: var(--header-h);
  z-index: 4;
  display: flex;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  margin: 20px 0 6px;
  padding: 8px 0;
  border-bottom: 1px solid var(--pp-line);
  background: linear-gradient(180deg, rgba(13, 14, 17, 0.96), rgba(13, 14, 17, 0.86));
  backdrop-filter: blur(6px);
}
.page-products .sync-bar::-webkit-scrollbar {
  display: none;
}
.page-products .sync-bar a {
  flex: 0 0 auto;
  padding: 7px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}
.page-products .sync-bar a:hover {
  color: var(--paper);
  border-color: var(--pp-line-strong);
}
.page-products .sync-bar a[aria-current="location"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 600;
}

/* ---------- 通用章节 ---------- */
.page-products .section {
  padding: clamp(34px, 5vw, 64px) 0;
  border-bottom: 1px solid var(--pp-line);
}
.page-products .section:last-of-type {
  border-bottom: 0;
}
.page-products .section-heading {
  max-width: 46em;
  margin-bottom: clamp(20px, 3vw, 34px);
}
.page-products .section-title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.6vw, 2.15rem);
  line-height: 1.16;
  letter-spacing: -0.005em;
  color: var(--paper);
}
.page-products .section-heading .prose {
  margin: 12px 0 0;
  max-width: 38em;
  font-size: 0.975rem;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 双列对照 ---------- */
.page-products .dual {
  border: 1px solid var(--pp-line-strong);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.page-products .dual-head {
  display: none;
}
.page-products .dual-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
}
.page-products .dual-row + .dual-row {
  border-top: 1px solid var(--pp-line-strong);
}
.page-products .dual-cell {
  display: block;
  padding: clamp(16px, 2.2vw, 26px);
  text-decoration: none;
  color: inherit;
  transition: background 0.22s var(--ease);
}
.page-products .dual-cell--paper {
  background: var(--paper);
  color: var(--ink);
}
.page-products .dual-cell--paper:hover {
  background: #EFE2CE;
}
.page-products .dual-cell--ink {
  background: var(--panel);
  color: var(--paper);
}
.page-products .dual-cell--ink:hover {
  background: #1C1F27;
}
.page-products .dual-num {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--ember);
}
.page-products .dual-cell--ink .dual-num {
  color: var(--cyan);
}
.page-products .dual-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 1.5vw, 1.28rem);
  line-height: 1.32;
  letter-spacing: -0.005em;
}
.page-products .dual-text {
  margin: 8px 0 0;
  font-size: 0.925rem;
  line-height: 1.75;
  color: rgba(13, 14, 17, 0.74);
}
.page-products .dual-cell--ink .dual-text {
  color: var(--mist);
}
.page-products .dual-meta {
  display: inline-block;
  margin-top: 14px;
  padding: 3px 8px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  opacity: 0.72;
}

/* ---------- 资料库 ---------- */
.page-products .library {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}
.page-products .library-figure {
  margin: 0;
  border: 1px solid var(--pp-line-strong);
  background: var(--panel);
}
.page-products .library-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}
.page-products .library-figure .media-caption {
  padding: 10px 14px;
  border-top: 1px solid var(--pp-line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}
.page-products .library-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pp-line);
}
.page-products .library-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 0 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pp-line);
}
.page-products .library-num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan);
}
.page-products .library-title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--paper);
}
.page-products .library-text {
  margin: 8px 0 0;
  font-size: 0.925rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 案例合集 ---------- */
.page-products .cases-figure {
  margin: 0 0 clamp(18px, 3vw, 30px);
  border: 1px solid var(--pp-line-strong);
  background: var(--panel);
}
.page-products .cases-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}
.page-products .cases-figure .media-caption {
  padding: 10px 16px;
  border-top: 1px solid var(--pp-line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}
.page-products .cases-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--pp-line-strong);
  background: var(--pp-line);
}
.page-products .case-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px);
  background: var(--ink);
}
.page-products .case-card:nth-child(2) {
  background: var(--panel);
}
.page-products .case-count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ember);
}
.page-products .case-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--paper);
}
.page-products .case-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.78;
  color: var(--mist);
}
.page-products .case-steps {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
}
.page-products .case-steps li {
  position: relative;
  padding-left: 16px;
  font-size: 0.88rem;
  line-height: 1.72;
  color: var(--peach);
  opacity: 0.86;
}
.page-products .case-steps li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 筛选 ---------- */
.page-products .filter-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pp-gap);
}
.page-products .filter-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pp-line);
}
.page-products .filter-row:first-child {
  border-top: 1px solid var(--pp-line);
}
.page-products .filter-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 4px;
}
.page-products .chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-products .chip {
  padding: 5px 11px;
  border: 1px solid var(--pp-line-strong);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  color: var(--mist);
}
.page-products .chip--on {
  background: rgba(25, 227, 168, 0.12);
  border-color: var(--cyan);
  color: var(--cyan);
}
.page-products .filter-note {
  margin: 18px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--ember);
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--mist);
}
.page-products .filter-figure {
  margin: 0;
  border: 1px solid var(--pp-line-strong);
  background: var(--panel);
}
.page-products .filter-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
}
.page-products .filter-figure .media-caption {
  padding: 10px 14px;
  border-top: 1px solid var(--pp-line);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 固定与订阅 ---------- */
.page-products .pin-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--pp-line-strong);
  background: var(--pp-line);
}
.page-products .pin-card {
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--panel);
}
.page-products .pin-card--paper {
  background: var(--paper);
}
.page-products .pin-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--paper);
}
.page-products .pin-card--paper .pin-title {
  color: var(--ink);
}
.page-products .pin-text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--mist);
}
.page-products .pin-card--paper .pin-text {
  color: rgba(13, 14, 17, 0.76);
}

/* ---------- 收尾 ---------- */
.page-products .page-outro {
  display: grid;
  gap: 16px;
  align-items: center;
  margin-top: clamp(28px, 4vw, 52px);
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid var(--pp-line-strong);
  background:
    radial-gradient(100% 120% at 0% 0%, rgba(255, 90, 31, 0.16), transparent 62%),
    var(--panel);
}
.page-products .outro-text {
  margin: 0;
  max-width: 40em;
  font-size: 0.975rem;
  line-height: 1.85;
  color: var(--paper);
}
.page-products .outro-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .filter-row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }
}

@media (min-width: 800px) {
  .page-products .pin-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .cases-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-products .page-outro {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 900px) {
  .page-products .dual-head {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--pp-line-strong);
  }
  .page-products .dual-head-cell {
    padding: 11px clamp(16px, 2.2vw, 26px);
    font-family: var(--font-mono);
    font-size: 11.5px;
    letter-spacing: 0.1em;
    background: var(--paper);
    color: var(--ink);
  }
  .page-products .dual-head-cell--ink {
    background: var(--panel);
    color: var(--cyan);
    border-left: 1px solid var(--pp-line-strong);
  }
  .page-products .dual-row {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }
  .page-products .dual-row::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
    background: var(--pp-line-strong);
    transform: translateX(-0.5px);
    z-index: 1;
  }
  .page-products .dual-row::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--cyan);
    transform: translate(-50%, -50%);
    box-shadow: 0 0 0 4px rgba(25, 227, 168, 0.14);
    z-index: 3;
  }
  .page-products .library {
    grid-template-columns: minmax(0, 330px) minmax(0, 1fr);
    align-items: start;
    gap: clamp(24px, 4vw, 56px);
  }
  .page-products .filter-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    align-items: start;
    gap: clamp(24px, 4vw, 48px);
  }
}

@media (min-width: 1024px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 0.75fr);
    align-items: start;
    padding: clamp(28px, 3.4vw, 52px);
  }
}

@media (max-width: 899px) {
  .page-products .dual-cell + .dual-cell {
    border-top: 1px solid var(--pp-line-strong);
  }
}

/* ---------- 动效 ---------- */
.has-js .page-products [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.has-js .page-products [data-reveal][data-revealed="true"] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-products,
  .page-products * {
    animation: none !important;
    transition: none !important;
  }
  .has-js .page-products [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}
<<<END>>>