.page-products {
  --pd-hairline: rgba(22, 38, 79, .14);
  --pd-hairline-dark: rgba(233, 237, 245, .16);
  --pd-shadow: 0 22px 44px -28px rgba(15, 27, 61, .55);
  --pd-cut-xs: polygon(4px 0, 100% 0, 100% calc(100% - 4px), calc(100% - 4px) 100%, 0 100%, 0 4px);
  position: relative;
  overflow-x: hidden;
  background: var(--mist);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2.25rem) 0 clamp(2rem, 5vw, 3.25rem);
  background:
    radial-gradient(90% 70% at 88% 6%, rgba(23, 168, 139, .20) 0%, rgba(23, 168, 139, 0) 62%),
    repeating-linear-gradient(112deg, rgba(233, 237, 245, .045) 0 1px, transparent 1px 16px),
    linear-gradient(165deg, #17294f 0%, var(--ink-900) 64%);
  color: var(--paper);
}

.page-products .pd-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  font-size: .82rem;
  color: rgba(233, 237, 245, .6);
  margin-bottom: clamp(1rem, 2.4vw, 1.75rem);
}
.page-products .pd-crumb a {
  color: rgba(233, 237, 245, .84);
  text-decoration: none;
  transition: color .18s var(--ease);
}
.page-products .pd-crumb a:hover { color: var(--jade); }

.page-products .pd-hero-panel {
  position: relative;
  display: grid;
  gap: clamp(1.5rem, 3.5vw, 2.75rem);
  padding: clamp(1.35rem, 3.2vw, 2.75rem);
  background: linear-gradient(150deg, rgba(22, 38, 79, .92) 0%, rgba(15, 27, 61, .96) 100%);
  border: 1px solid var(--indigo-600);
  clip-path: var(--cut-lg);
  box-shadow: var(--pd-shadow);
}

.page-products .pd-hero-copy .eyebrow {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--jade);
  margin: 0 0 .9rem;
}

.page-products .pd-hero-copy .display-1 {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-products .pd-hero-copy .lede {
  margin: 0 0 1.5rem;
  max-width: 48ch;
  font-size: clamp(.94rem, 1.4vw, 1.05rem);
  line-height: 1.85;
  color: rgba(233, 237, 245, .78);
}

.page-products .pd-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

.page-products .pd-hero-facts {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--pd-hairline-dark);
  display: flex;
  flex-wrap: wrap;
  gap: .55rem 1.75rem;
  font-size: .84rem;
  color: rgba(233, 237, 245, .66);
}
.page-products .pd-hero-facts .mono {
  color: var(--gold);
  font-size: 1.05rem;
  margin-right: .35rem;
}

.page-products .pd-hero-visual,
.page-products .pd-search-figure,
.page-products .pd-records-figure,
.page-products .pd-weak-figure,
.page-products .pd-device-figure {
  margin: 0;
  display: grid;
  gap: .75rem;
}

.page-products .pd-frame {
  display: block;
  overflow: hidden;
  clip-path: var(--cut-md);
  border: 1px solid var(--indigo-600);
  background: var(--ink-900);
}
.page-products .pd-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-products .pd-figcaption {
  font-size: .8rem;
  line-height: 1.7;
  color: rgba(233, 237, 245, .6);
}
.page-products .pd-section--light .pd-figcaption,
.page-products .pd-section--mist .pd-figcaption {
  color: var(--muted);
}

/* ---------- 首屏工具带 ---------- */
.page-products .pd-dock {
  margin-top: clamp(1.1rem, 2.6vw, 1.75rem);
  display: grid;
  gap: 1px;
  background: var(--pd-hairline-dark);
  border: 1px solid var(--indigo-600);
  clip-path: var(--cut-md);
  overflow: hidden;
}

.page-products .pd-dock-item {
  position: relative;
  display: grid;
  gap: .3rem;
  padding: 1rem 1.1rem;
  background: rgba(22, 38, 79, .94);
  color: var(--paper);
  text-decoration: none;
  transition: background .18s var(--ease);
}
.page-products .pd-dock-item::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--jade), var(--jade-deep));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform .18s var(--ease);
}
.page-products .pd-dock-item:hover { background: rgba(34, 55, 107, .96); }
.page-products .pd-dock-item:hover::after { transform: scaleX(1); }

.page-products .pd-dock-no {
  font-size: .74rem;
  letter-spacing: .16em;
  color: var(--jade);
}
.page-products .pd-dock-name {
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -.01em;
}
.page-products .pd-dock-note {
  font-size: .78rem;
  color: rgba(233, 237, 245, .6);
}

/* ---------- 通用章节 ---------- */
.page-products .pd-section {
  position: relative;
  padding: clamp(2.75rem, 6.5vw, 5.5rem) 0;
}
.page-products .pd-section--mist { background: var(--mist); }
.page-products .pd-section--light { background: var(--paper); }
.page-products .pd-section--deep {
  background: linear-gradient(168deg, var(--ink-900) 0%, var(--indigo-800) 100%);
  color: var(--paper);
}

.page-products .pd-section-head {
  max-width: 64ch;
  margin-bottom: clamp(1.5rem, 3.6vw, 2.75rem);
}
.page-products .pd-section-no {
  font-size: .76rem;
  letter-spacing: .2em;
  color: var(--jade-deep);
  margin: 0 0 .7rem;
}
.page-products .pd-section--deep .pd-section-no { color: var(--jade); }

.page-products .pd-section-head h2,
.page-products .pd-weak-copy h2 {
  margin: 0 0 .85rem;
  font-size: clamp(1.45rem, 3.6vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -.015em;
  font-weight: 800;
  color: var(--ink);
}
.page-products .pd-section--deep .pd-section-head h2,
.page-products .pd-section--deep .pd-weak-copy h2 { color: var(--paper); }

.page-products .pd-section-lead {
  margin: 0;
  max-width: 58ch;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--muted);
}
.page-products .pd-section--deep .pd-section-lead { color: rgba(233, 237, 245, .76); }

/* ---------- 01 目录总览 ---------- */
.page-products .pd-cat-list {
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.6rem);
}

.page-products .pd-cat {
  position: relative;
  padding: clamp(1.15rem, 2.6vw, 1.9rem);
  background: var(--paper);
  border: 1px solid var(--pd-hairline);
  clip-path: var(--cut-md);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}
.page-products .pd-cat::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--jade), var(--jade-deep));
  transform: scaleY(0);
  transform-origin: 50% 0;
  transition: transform .18s var(--ease);
}
.page-products .pd-cat:hover,
.page-products .pd-cat:focus-within {
  transform: translateY(-4px);
  border-color: rgba(23, 168, 139, .55);
}
.page-products .pd-cat:hover::before,
.page-products .pd-cat:focus-within::before { transform: scaleY(1); }

.page-products .pd-cat-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .4rem .8rem;
  margin-bottom: .6rem;
}
.page-products .pd-cat-no {
  font-size: 1.45rem;
  font-weight: 600;
  line-height: 1;
  color: var(--jade-deep);
}
.page-products .pd-cat-head h3 {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-products .pd-cat-text {
  margin: 0 0 1.1rem;
  max-width: 60ch;
  font-size: .9rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-products .pd-entries {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--pd-hairline);
}
.page-products .pd-entries li {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  column-gap: .7rem;
  align-items: baseline;
  padding: .65rem .25rem;
  border-bottom: 1px solid var(--pd-hairline);
  transition: background .18s var(--ease);
}
.page-products .pd-entries li:last-child { border-bottom: none; }
.page-products .pd-entries li:hover { background: #eef2f9; }

.page-products .pd-entries-no {
  grid-row: span 2;
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--muted);
}
.page-products .pd-entries-name {
  grid-column: 2;
  font-size: .92rem;
  font-weight: 600;
  color: var(--ink);
}
.page-products .pd-entries-use {
  grid-column: 2;
  font-size: .82rem;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 02 平板适配 ---------- */
.page-products .pd-device-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.page-products .pd-specs {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--pd-hairline);
  border: 1px solid var(--pd-hairline);
  clip-path: var(--cut-md);
}
.page-products .pd-spec {
  display: grid;
  grid-template-columns: minmax(0, 7.5rem) minmax(0, 1fr);
  gap: .3rem 1rem;
  padding: .95rem 1.1rem;
  background: var(--mist);
}
.page-products .pd-spec dt {
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--muted);
}
.page-products .pd-spec dd {
  margin: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--ink);
}
.page-products .pd-spec dd .mono {
  color: var(--jade-deep);
  font-weight: 700;
}

.page-products .pd-device-svg {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 03 检索与索引 ---------- */
.page-products .pd-search-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

.page-products .pd-search-points {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
}
.page-products .pd-search-points li {
  display: grid;
  grid-template-columns: .9rem minmax(0, 1fr);
  gap: .8rem;
  padding: .85rem 0;
  border-top: 1px solid var(--pd-hairline-dark);
  font-size: .9rem;
  line-height: 1.8;
  color: rgba(233, 237, 245, .8);
}
.page-products .pd-search-points li:first-child { border-top: none; }

.page-products .pd-dot {
  width: 7px;
  height: 7px;
  margin-top: .62rem;
  background: var(--jade);
  transform: rotate(45deg);
  flex: none;
}

.page-products .pd-filter-title {
  margin: 0 0 .75rem;
  font-size: .76rem;
  letter-spacing: .16em;
  color: var(--gold);
}
.page-products .pd-filters {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .6rem;
}
.page-products .pd-filter {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .7rem .9rem;
  border: 1px solid var(--indigo-600);
  background: rgba(22, 38, 79, .6);
  clip-path: var(--pd-cut-xs);
  font-size: .88rem;
  color: rgba(233, 237, 245, .88);
}
.page-products .pd-filter .mono {
  font-size: .74rem;
  color: var(--jade);
}

/* ---------- 04 记录延续 ---------- */
.page-products .pd-records-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}

.page-products .pd-records-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}
.page-products .pd-records-list li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: .15rem .8rem;
  padding: .9rem 1rem;
  background: var(--mist);
  border-left: 3px solid var(--jade);
  clip-path: var(--cut-md);
}
.page-products .pd-rec-no {
  grid-row: span 2;
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--jade-deep);
}
.page-products .pd-rec-name {
  font-size: .94rem;
  font-weight: 700;
  color: var(--ink);
}
.page-products .pd-rec-text {
  font-size: .85rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 05 弱网访问 ---------- */
.page-products .pd-weak-grid {
  display: grid;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
.page-products .pd-weak-stats {
  list-style: none;
  margin: 1.5rem 0 1.5rem;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .8rem;
}
.page-products .pd-weak-stats li {
  display: grid;
  gap: .35rem;
  padding: 1rem 1.1rem;
  background: rgba(22, 38, 79, .72);
  border: 1px solid var(--indigo-600);
  clip-path: var(--pd-cut-xs);
}
.page-products .pd-weak-num {
  font-size: 1.35rem;
  line-height: 1;
  color: var(--gold);
}
.page-products .pd-weak-text {
  font-size: .82rem;
  line-height: 1.65;
  color: rgba(233, 237, 245, .74);
}
.page-products .pd-weak-points {
  margin-bottom: 0;
}

/* ---------- 06 上手路径 ---------- */
.page-products .pd-steps {
  list-style: none;
  margin: 0 0 clamp(2rem, 5vw, 3.5rem);
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pd-hairline);
  border: 1px solid var(--pd-hairline);
  clip-path: var(--cut-md);
}
.page-products .pd-step {
  display: grid;
  gap: .55rem;
  align-content: start;
  padding: clamp(1.2rem, 2.4vw, 1.75rem);
  background: var(--paper);
}
.page-products .pd-step-no {
  font-size: .72rem;
  letter-spacing: .2em;
  color: var(--jade-deep);
}
.page-products .pd-step h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink);
}
.page-products .pd-step p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--muted);
}
.page-products .pd-step-link {
  justify-self: start;
  margin-top: .35rem;
  font-size: .84rem;
  color: var(--jade-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 124, 103, .4);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-products .pd-step-link:hover {
  color: var(--ink);
  border-color: var(--ink);
}

.page-products .pd-combos-title {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--ink);
}
.page-products .pd-combo-grid {
  display: grid;
  gap: 1rem;
}
.page-products .pd-combo {
  display: grid;
  gap: .55rem;
  align-content: start;
  padding: 1.15rem 1.25rem;
  background: var(--paper);
  border: 1px solid var(--pd-hairline);
  clip-path: var(--cut-md);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}
.page-products .pd-combo:hover {
  transform: translateY(-4px);
  border-color: rgba(228, 179, 74, .6);
}
.page-products .pd-combo h4 {
  margin: 0;
  font-size: .96rem;
  font-weight: 800;
  color: var(--ink);
}
.page-products .pd-combo p {
  margin: 0;
  font-size: .84rem;
  line-height: 1.75;
  color: var(--muted);
}
.page-products .pd-combo-chain {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}
.page-products .pd-combo-chain span {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .04em;
  padding: .3rem .6rem;
  background: var(--mist);
  color: var(--jade-deep);
  clip-path: var(--pd-cut-xs);
}

/* ---------- 收口带 ---------- */
.page-products .pd-lead-out {
  position: relative;
  overflow: hidden;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
  background: linear-gradient(140deg, var(--indigo-800) 0%, var(--ink-900) 100%);
  color: var(--paper);
}
.page-products .pd-lead-out::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, transparent 0%, var(--jade) 26%, var(--gold) 68%, transparent 100%);
  opacity: .9;
}
.page-products .pd-lead-out-inner {
  position: relative;
  display: grid;
  gap: clamp(1.25rem, 3vw, 2rem);
}
.page-products .pd-lead-out .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .2em;
  color: var(--jade);
}
.page-products .pd-lead-out h2 {
  margin: .4rem 0 0;
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: -.015em;
  font-weight: 800;
  color: var(--paper);
}
.page-products .pd-lead-links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}
.page-products .pd-lead-links a {
  display: inline-flex;
  align-items: center;
  padding: .7rem 1.1rem;
  border: 1px solid var(--indigo-600);
  background: rgba(247, 249, 252, .05);
  color: var(--paper);
  text-decoration: none;
  font-size: .88rem;
  clip-path: var(--pd-cut-xs);
  transition: background .18s var(--ease), border-color .18s var(--ease);
}
.page-products .pd-lead-links a:hover {
  background: rgba(23, 168, 139, .18);
  border-color: var(--jade);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .pd-dock { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 900px) {
  .page-products .pd-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pd-combo-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .pd-lead-out-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-products .pd-hero-panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
  }
  .page-products .pd-cat { width: 84%; }
  .page-products .pd-cat:nth-child(even) { margin-left: auto; }
  .page-products .pd-device-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
  .page-products .pd-search-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-products .pd-records-grid {
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
  }
  .page-products .pd-weak-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

@media (max-width: 479px) {
  .page-products .pd-spec {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-products .pd-weak-stats {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-products .pd-filters {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .pd-cat,
  .page-products .pd-combo,
  .page-products .pd-dock-item::after,
  .page-products .pd-cat::before {
    transition: opacity .18s linear;
  }
  .page-products .pd-cat:hover,
  .page-products .pd-cat:focus-within,
  .page-products .pd-combo:hover {
    transform: none;
  }
}