.page-products {
  --pf-bar: calc(var(--topbar-h) + 20px);
  --pf-rail: 196px;
  --pf-set: 272px;
  --pf-gap: clamp(16px, 2.4vw, 30px);
  position: relative;
  overflow-x: clip;
  background:
    radial-gradient(120% 62% at 84% 0%, rgba(31, 122, 77, 0.2) 0%, transparent 62%),
    var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  line-height: 1.78;
}

/* ---------- 首屏 ---------- */
.page-products .pf-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 4.2vw, 58px) 0 clamp(38px, 5vw, 72px);
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: -20% -8% auto -8%;
  height: 156%;
  background-image:
    repeating-linear-gradient(to right, rgba(28, 74, 56, 0.62) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(to bottom, rgba(28, 74, 56, 0.62) 0 1px, transparent 1px 92px);
  -webkit-mask-image: radial-gradient(118% 92% at 16% 6%, #000 0%, transparent 66%);
  mask-image: radial-gradient(118% 92% at 16% 6%, #000 0%, transparent 66%);
  pointer-events: none;
}

.page-products .pf-hero::after {
  content: "";
  position: absolute;
  z-index: 0;
  top: -34%;
  right: -18%;
  width: 64%;
  height: 180%;
  background: linear-gradient(150deg, rgba(31, 122, 77, 0.5), rgba(111, 91, 214, 0.16) 58%, transparent 84%);
  clip-path: polygon(38% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-products .pf-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 3.4vw, 46px);
  align-items: center;
}

.page-products .pf-hero h1 {
  margin: 14px 0 0;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 5.2vw, 3.9rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}

.page-products .pf-hero__lede {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(0.95rem, 1.1vw, 1.05rem);
  line-height: 1.85;
  color: rgba(244, 241, 232, 0.8);
}

.page-products .pf-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 36px;
  margin: 28px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .pf-stat__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  font-weight: 500;
  line-height: 1.2;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-products .pf-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-products .pf-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-products .pf-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.42);
}

.page-products .pf-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-products .pf-hero__media::after {
  content: "";
  position: absolute;
  right: 16px;
  bottom: 16px;
  width: 64px;
  height: 64px;
  border-right: 2px solid var(--amber);
  border-bottom: 2px solid var(--amber);
  border-bottom-right-radius: 12px;
  pointer-events: none;
}

/* ---------- 通用小节头 ---------- */
.page-products .pf-head {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-products .pf-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.1vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.page-products .pf-head__lede {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(244, 241, 232, 0.72);
}

/* ---------- 使用场景 ---------- */
.page-products .pf-scenes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-products .pf-scene {
  position: relative;
  padding: 24px 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(14, 46, 34, 0.92), rgba(7, 30, 22, 0.94));
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-products .pf-scene:hover {
  transform: translateY(-2px);
  border-color: var(--amber);
}

.page-products .pf-scene__no {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-products .pf-scene h3 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.45;
}

.page-products .pf-scene p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.74);
}

/* ---------- 目录树 ---------- */
.page-products .pf-tree {
  display: block;
  width: 100%;
  height: auto;
  margin: 0 0 clamp(20px, 2.6vw, 30px);
}

.page-products .pf-tree__links path {
  fill: none;
  stroke: var(--amber);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.page-products .pf-tree__nodes rect {
  fill: rgba(31, 122, 77, 0.2);
  stroke: var(--line);
  stroke-width: 1.5;
}

.page-products .pf-tree__nodes text {
  fill: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 600;
}

/* ---------- 档案柜三栏 ---------- */
.page-products .pf-cab {
  position: relative;
}

.page-products .pf-cab__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pf-gap);
  align-items: start;
}

.page-products .pf-cab__rail {
  padding: 16px 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 46, 34, 0.78);
}

.page-products .pf-cab__railtitle {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .pf-cab__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-cat {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(7, 30, 22, 0.72);
  font-size: 0.84rem;
  color: var(--paper);
  white-space: nowrap;
}

.page-products .pf-cat__n {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-products .pf-cab__railnote {
  margin: 14px 0 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--slate);
}

.page-products .pf-cab__main {
  padding: clamp(16px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(14, 46, 34, 0.6);
}

.page-products .pf-filter {
  margin-bottom: 16px;
}

.page-products .pf-filter .filter-input {
  width: 100%;
}

.page-products .pf-items {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-products .pf-item {
  padding: 18px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(7, 30, 22, 0.94), rgba(14, 46, 34, 0.66));
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-products .pf-item:nth-child(2n) {
  padding: 26px 22px 24px;
}

.page-products .pf-item:nth-child(3n) {
  padding: 16px 20px 18px;
}

.page-products .pf-item:hover {
  transform: translateY(-2px);
  border-color: var(--amber);
  background: linear-gradient(180deg, rgba(14, 46, 34, 0.96), rgba(7, 30, 22, 0.98));
}

.page-products .pf-item__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-products .pf-item__no {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-products .pf-item__tag {
  padding: 2px 10px;
  border: 1px solid rgba(53, 224, 192, 0.4);
  border-radius: 999px;
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-products .pf-item__title {
  margin: 10px 0 8px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-products .pf-item__desc {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.78;
  color: rgba(244, 241, 232, 0.74);
}

.page-products .pf-item__meta {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-products .pf-item__bars {
  max-height: 0;
  margin-top: 0;
  overflow: hidden;
  opacity: 0;
  display: grid;
  gap: 7px;
  transition: max-height 0.22s var(--ease), opacity 0.22s var(--ease), margin-top 0.22s var(--ease);
}

.page-products .pf-item:hover .pf-item__bars,
.page-products .pf-item:focus-within .pf-item__bars {
  max-height: 96px;
  margin-top: 14px;
  opacity: 1;
}

.page-products .pf-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--slate);
  font-variant-numeric: tabular-nums;
}

.page-products .pf-bar__track {
  flex: 1;
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(28, 74, 56, 0.9);
}

.page-products .pf-bar__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--cyan);
}

.page-products .pf-bar--alt .pf-bar__fill {
  background: var(--amber);
}

.page-products .empty-state {
  margin: 18px 0 0;
  padding: 18px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  font-size: 0.88rem;
  color: var(--slate);
  text-align: center;
}

.page-products .pf-cab__set {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-products .pf-setcard {
  padding: 16px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 30, 22, 0.84);
}

.page-products .pf-setcard__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-products .pf-setcard ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-setcard li {
  position: relative;
  padding-left: 15px;
  font-size: 0.86rem;
  color: rgba(244, 241, 232, 0.86);
}

.page-products .pf-setcard li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 1px;
  background: var(--amber);
}

.page-products .pf-setcard__body {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.74);
}

.page-products .pf-setcard--accent {
  border-color: rgba(242, 178, 51, 0.42);
  background: linear-gradient(160deg, rgba(31, 122, 77, 0.32), rgba(7, 30, 22, 0.92));
}

/* ---------- 检索 ---------- */
.page-products .pf-search__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pf-gap);
}

.page-products .pf-panel {
  padding: clamp(18px, 2.4vw, 26px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(14, 46, 34, 0.7);
}

.page-products .pf-panel--dark {
  background: linear-gradient(160deg, rgba(7, 30, 22, 0.96), rgba(31, 122, 77, 0.18));
}

.page-products .pf-panel__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--amber);
  text-transform: uppercase;
}

.page-products .pf-panel__body {
  margin: 14px 0 0;
  font-size: 0.9rem;
  line-height: 1.82;
  color: rgba(244, 241, 232, 0.76);
}

.page-products .pf-search .pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .pf-search .pill {
  padding: 6px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--paper);
  background: rgba(7, 30, 22, 0.7);
}

.page-products .pf-search .pill[data-active="true"] {
  border-color: var(--amber);
  background: rgba(242, 178, 51, 0.16);
  color: var(--amber);
}

.page-products .pf-cond {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .pf-cond li {
  padding-left: 15px;
  border-left: 2px solid var(--line);
  font-size: 0.86rem;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.72);
}

.page-products .pf-cond span {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--paper);
}

/* ---------- 图文分栏 ---------- */
.page-products .pf-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 48px);
  align-items: center;
}

.page-products .pf-split__copy h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.1vw, 2.3rem);
  line-height: 1.2;
  letter-spacing: -0.015em;
}

.page-products .pf-split__lede {
  margin: 18px 0 0;
  font-size: 0.94rem;
  line-height: 1.85;
  color: rgba(244, 241, 232, 0.76);
}

.page-products .pf-points {
  display: grid;
  gap: 14px;
  margin: 24px 0 26px;
  padding: 0;
  list-style: none;
}

.page-products .pf-points li {
  padding-left: 16px;
  border-left: 2px solid var(--amber);
  font-size: 0.88rem;
  line-height: 1.78;
  color: rgba(244, 241, 232, 0.74);
}

.page-products .pf-points strong {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--paper);
  margin-bottom: 2px;
}

.page-products .pf-split__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.page-products .pf-split__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 导出格式 ---------- */
.page-products .pf-formats {
  display: grid;
  gap: 12px;
  margin: 24px 0 20px;
}

.page-products .pf-format {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 46, 34, 0.62);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-products .pf-format:hover {
  transform: translateY(-2px);
  border-color: var(--amber);
}

.page-products .pf-format__key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 0;
  border: 1px solid rgba(242, 178, 51, 0.5);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-products .pf-format p {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.76);
}

.page-products .pf-note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--slate);
}

.page-products .pf-inline-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 192, 0.5);
}

.page-products .pf-inline-link:hover,
.page-products .pf-inline-link:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 设备适配 ---------- */
.page-products .pf-device-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-products .pf-device {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(14, 46, 34, 0.8), rgba(7, 30, 22, 0.92));
}

.page-products .pf-device__key {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-products .pf-device p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.78;
  color: rgba(244, 241, 232, 0.74);
}

.page-products .pf-devices__media {
  margin: clamp(20px, 3vw, 32px) 0 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
}

.page-products .pf-devices__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .pf-tabletfig {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  align-items: center;
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(14, 46, 34, 0.55);
}

.page-products .pf-tabletfig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 12px;
  object-fit: cover;
}

.page-products .pf-tabletfig figcaption {
  font-size: 0.84rem;
  line-height: 1.78;
  color: var(--slate);
}

/* ---------- 收尾 ---------- */
.page-products .pf-cta__box {
  display: grid;
  gap: 20px;
  padding: clamp(24px, 3.4vw, 44px);
  border: 1px solid rgba(242, 178, 51, 0.36);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(140deg, rgba(31, 122, 77, 0.32), rgba(7, 30, 22, 0.96) 62%),
    var(--panel);
}

.page-products .pf-cta__text h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
}

.page-products .pf-cta__text p {
  margin: 12px 0 0;
  max-width: 52ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: rgba(244, 241, 232, 0.74);
}

.page-products .pf-cta__box .pf-actions {
  margin-top: 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .pf-scenes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .pf-tabletfig {
    grid-template-columns: 200px minmax(0, 1fr);
  }
}

@media (min-width: 720px) {
  .page-products .pf-scenes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-products .pf-search__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 860px) {
  .page-products .pf-cab__grid {
    grid-template-columns: var(--pf-rail) minmax(0, 1fr);
  }

  .page-products .pf-cab__rail {
    position: sticky;
    top: var(--pf-bar);
    padding: 18px 16px;
  }

  .page-products .pf-cab__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
  }

  .page-products .pf-cat {
    display: flex;
    justify-content: space-between;
    padding: 10px 12px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0 10px 10px 0;
    background: transparent;
  }

  .page-products .pf-cat:hover,
  .page-products .pf-cat:focus-within {
    border-left-color: var(--amber);
    background: rgba(31, 122, 77, 0.22);
  }

  .page-products .pf-cab__set {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-products .pf-split {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .page-products .pf-split--flip .pf-split__copy {
    order: 2;
  }

  .page-products .pf-split--flip .pf-split__media {
    order: 1;
  }

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

  .page-products .pf-cta__box .pf-actions {
    justify-content: flex-end;
    max-width: 340px;
  }
}

@media (min-width: 940px) {
  .page-products .pf-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }
}

@media (min-width: 1160px) {
  .page-products .pf-cab__grid {
    grid-template-columns: var(--pf-rail) minmax(0, 1fr) var(--pf-set);
  }

  .page-products .pf-cab__set {
    grid-column: auto;
    grid-template-columns: minmax(0, 1fr);
    position: sticky;
    top: var(--pf-bar);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-scene,
  .page-products .pf-item,
  .page-products .pf-format {
    transition: none;
  }

  .page-products .pf-scene:hover,
  .page-products .pf-item:hover,
  .page-products .pf-format:hover {
    transform: none;
  }
}