.page-products {
  --pf-cut: 14px;
  --pf-rail: 200px;
  --pf-space: clamp(40px, 6vw, 88px);
  position: relative;
  color: var(--paper);
  background:
    radial-gradient(90% 45% at 92% 2%, rgba(198, 255, 61, .13), transparent 62%),
    radial-gradient(70% 38% at 3% 46%, rgba(255, 122, 47, .07), transparent 62%),
    var(--ink);
  padding-bottom: clamp(48px, 8vw, 112px);
  overflow-x: clip;
}

.page-products .pf-sep {
  margin: 0 .5em;
  color: var(--slate);
}

/* ---------- 首屏 ---------- */

.page-products .pf-hero {
  position: relative;
  padding: clamp(24px, 4vw, 48px) 0 clamp(40px, 6vw, 76px);
  overflow: hidden;
}

.page-products .pf-hero::before {
  content: "";
  position: absolute;
  top: -28%;
  right: -14%;
  width: 68%;
  height: 132%;
  background: linear-gradient(135deg, rgba(198, 255, 61, .16), rgba(255, 122, 47, .08) 58%, transparent 78%);
  transform: rotate(-12deg);
  pointer-events: none;
}

.page-products .pf-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42%;
  height: 3px;
  background: linear-gradient(90deg, var(--lime), rgba(198, 255, 61, 0));
}

.page-products .pf-hero-grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(20px, 3vw, 36px);
}

.page-products .pf-hero-copy h1 {
  margin: .28em 0 .5em;
  font-size: clamp(34px, 6.4vw, 74px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -.02em;
  max-width: 16em;
}

.page-products .pf-hero-copy .lede {
  max-width: 34em;
  color: var(--muted);
}

.page-products .pf-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-products .pf-hero-panel {
  padding: clamp(20px, 3vw, 30px);
  background: linear-gradient(160deg, rgba(18, 20, 23, .92), rgba(11, 31, 26, .92));
  border: 1px solid var(--line);
  clip-path: var(--cut-shape);
}

.page-products .pf-hero-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  font-size: 15px;
  color: var(--muted);
}

.page-products .pf-hero-list li {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 12px;
  align-items: start;
  line-height: 1.6;
}

.page-products .pf-dot {
  width: 10px;
  height: 10px;
  margin-top: 6px;
  background: var(--lime);
  transform: rotate(45deg);
}

.page-products .pf-dot--warn {
  background: var(--orange);
}

.page-products .pf-hero-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

/* ---------- 外壳与索引 ---------- */

.page-products .pf-shell {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(16px, 2vw, 24px);
}

.page-products .pf-rail .module-index {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-products .pf-rail .index-link {
  flex: 0 0 auto;
  white-space: nowrap;
}

.page-products .pf-flow {
  min-width: 0;
}

.page-products .pf-block {
  position: relative;
  padding: var(--pf-space) 0;
  border-top: 1px solid var(--line);
}

.page-products .pf-block:first-child {
  border-top: 0;
  padding-top: clamp(24px, 3vw, 40px);
}

.page-products .pf-block-head {
  max-width: 60ch;
  margin-bottom: clamp(24px, 3.4vw, 44px);
}

.page-products .pf-block-head h2 {
  margin: .3em 0 .55em;
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.015em;
}

.page-products .pf-lead {
  margin: 0;
  color: var(--muted);
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.78;
  max-width: 40em;
}

.page-products .pf-sub-title {
  margin: 0 0 .8em;
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-products .pf-side-note,
.page-products .pf-inline-note {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--line);
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.75;
  max-width: 46em;
}

.page-products .pf-side-note a,
.page-products .pf-inline-note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, .45);
}

.page-products .pf-side-note a:hover,
.page-products .pf-inline-note a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 八张栏目卡片 ---------- */

.page-products .pf-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
}

.page-products .pf-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.2vw, 26px);
  transition: transform .24s var(--ease), border-color .24s var(--ease);
}

.page-products .pf-card h3 {
  margin: 0;
  font-size: clamp(18px, 1.5vw, 21px);
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-products .pf-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--muted);
}

.page-products .pf-card-meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--paper) !important;
  letter-spacing: .02em;
}

.page-products .pf-card-who {
  margin-top: auto !important;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13.5px !important;
  color: var(--slate) !important;
}

.page-products .pf-card:hover {
  transform: translateY(-4px);
}

.page-products .pf-card:hover .pf-card-who {
  color: var(--paper) !important;
}

.page-products .pf-card:target {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
}

.page-products .pf-freq {
  display: flex;
  gap: 5px;
  margin: 2px 0 0;
}

.page-products .pf-freq-dot {
  width: 12px;
  height: 6px;
  background: var(--line);
}

.page-products .pf-freq-dot.is-on {
  background: var(--lime);
}

.page-products .pf-card:hover .pf-freq-dot.is-on {
  background: var(--lime-dim);
}

/* ---------- 图片 ---------- */

.page-products .pf-figure {
  margin: 0;
}

.page-products .pf-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--charcoal);
  border: 1px solid var(--line);
  clip-path: var(--cut-shape);
}

.page-products .pf-figure--wide {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .pf-figure .media-caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

/* ---------- 双栏内容 ---------- */

.page-products .pf-split {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

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

.page-products .pf-checklist li {
  position: relative;
  padding: 0 0 0 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pf-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 10px;
  height: 10px;
  background: var(--lime);
  transform: rotate(45deg);
}

.page-products .pf-checklist strong {
  color: var(--paper);
  font-weight: 700;
}

/* ---------- 对照表 ---------- */

.page-products .pf-table a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.page-products .pf-table a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-products .pf-table .num {
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: .01em;
  white-space: nowrap;
}

.page-products .table-wrap tbody tr {
  transition: background-color .2s var(--ease);
}

.page-products .table-wrap tbody tr:hover {
  background: rgba(198, 255, 61, .06);
}

/* ---------- 收藏与反馈步骤 ---------- */

.page-products .pf-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-products .pf-step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 16px 18px;
  background: rgba(18, 20, 23, .72);
  border-left: 3px solid var(--line);
  clip-path: var(--cut-shape);
  transition: border-color .24s var(--ease);
}

.page-products .pf-step:hover {
  border-left-color: var(--lime);
}

.page-products .pf-step-num {
  font-size: 13px;
  color: var(--lime);
  letter-spacing: .08em;
  padding-top: 3px;
}

.page-products .pf-step h3 {
  margin: 0 0 .35em;
  font-size: 16.5px;
  font-weight: 700;
}

.page-products .pf-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 场景 ---------- */

.page-products .pf-scenes {
  position: relative;
  isolation: isolate;
}

.page-products .pf-scenes-bg {
  position: absolute;
  right: -8%;
  bottom: 4%;
  width: min(560px, 70%);
  height: auto;
  opacity: .16;
  object-fit: cover;
  z-index: -1;
  pointer-events: none;
}

.page-products .pf-scene-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 22px);
}

.page-products .pf-scene {
  position: relative;
  padding: clamp(18px, 2.2vw, 26px);
  background: linear-gradient(150deg, rgba(11, 31, 26, .9), rgba(18, 20, 23, .9));
  border: 1px solid var(--line);
  clip-path: var(--cut-shape);
}

.page-products .pf-scene::after {
  content: "";
  position: absolute;
  left: clamp(18px, 2.2vw, 26px);
  right: clamp(18px, 2.2vw, 26px);
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--orange), rgba(255, 122, 47, 0));
}

.page-products .pf-scene-num {
  display: inline-block;
  font-size: 12.5px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-products .pf-scene h3 {
  margin: .55em 0 .5em;
  font-size: clamp(18px, 1.5vw, 21px);
  font-weight: 800;
}

.page-products .pf-scene p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-products .pf-scene-order {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px !important;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
}

.page-products .pf-scene-order a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, .4);
  padding-bottom: 1px;
}

.page-products .pf-scene-order a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-products .pf-scene-order span {
  color: var(--slate);
}

.page-products .pf-tail {
  margin: clamp(26px, 3.4vw, 40px) 0 0;
  padding: 18px 20px;
  border: 1px dashed var(--line);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.78;
  max-width: 52em;
}

.page-products .pf-tail a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, .45);
}

.page-products .pf-tail a:hover {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 焦点可见性 ---------- */

.page-products a:focus-visible,
.page-products .pf-card:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

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

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

@media (min-width: 900px) {
  .page-products .pf-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .75fr);
    align-items: end;
  }

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

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

@media (min-width: 1080px) {
  .page-products .pf-shell {
    grid-template-columns: var(--pf-rail) minmax(0, 1fr);
    gap: clamp(28px, 3.4vw, 56px);
  }

  .page-products .pf-rail {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-products .pf-rail .module-index {
    display: grid;
    gap: 10px;
    overflow: visible;
  }

  .page-products .pf-flow {
    padding-right: clamp(0px, 2vw, 24px);
  }

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

  .page-products .pf-card:nth-child(2n) {
    transform: translateY(18px);
  }

  .page-products .pf-card:nth-child(4n + 3) {
    transform: translateY(-10px);
  }

  .page-products .pf-card:nth-child(2n):hover,
  .page-products .pf-card:nth-child(4n + 3):hover {
    transform: translateY(6px);
  }

  .page-products .pf-split {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    gap: clamp(32px, 4vw, 64px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-products .pf-card,
  .page-products .pf-step,
  .page-products .table-wrap tbody tr {
    transition: none;
  }

  .page-products .pf-card:nth-child(2n),
  .page-products .pf-card:nth-child(4n + 3) {
    transform: none;
  }

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