.page-products{
  --pd-rail-w: 262px;
  --pd-gap: clamp(16px, 3vw, 28px);
  padding-top: 0;
  background: var(--ink);
  color: var(--silver);
}

/* ---------- 首屏 ---------- */
.page-products .pd-hero{
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(34px, 6vw, 78px)) 0 clamp(32px, 5vw, 62px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 82% 6%, rgba(29, 74, 60, .55) 0%, rgba(6, 24, 19, 0) 62%),
    var(--ink);
}
.page-products .pd-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 80px 80px;
  opacity: .8;
  pointer-events: none;
}
.page-products .pd-hero .shell{
  position: relative;
  z-index: 1;
}
.page-products .pd-crumbs{
  margin-bottom: clamp(22px, 4vw, 40px);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
}
.page-products .pd-eyebrow{
  color: var(--lime);
  margin: 0;
}
.page-products .pd-title{
  margin: 14px 0 0;
  max-width: 15em;
  color: var(--bone);
  font-size: clamp(2rem, 7vw, 4.35rem);
  line-height: 1.04;
  letter-spacing: -.035em;
}
.page-products .pd-lede{
  margin: clamp(18px, 3vw, 26px) 0 0;
  max-width: 34em;
  color: var(--bone);
  font-family: var(--font-serif);
  font-size: clamp(1rem, 2.3vw, 1.16rem);
  line-height: 1.85;
  opacity: .88;
}
.page-products .pd-hero-stats{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: clamp(26px, 4vw, 44px);
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .pd-hero-stat{
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 18px;
  background: var(--ink);
}
.page-products .pd-hero-stat b{
  font-family: var(--font-mono);
  font-size: clamp(1.3rem, 3.4vw, 1.75rem);
  font-weight: 600;
  color: var(--lime);
  letter-spacing: -.02em;
}
.page-products .pd-hero-stat span{
  font-size: .78rem;
  line-height: 1.6;
  color: var(--silver);
}
.page-products .pd-hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 38px);
}

/* ---------- 工坊骨架 ---------- */
.page-products .pd-workshop{
  padding: clamp(44px, 7vw, 92px) 0 clamp(48px, 8vw, 104px);
}
.page-products .pd-head{
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-strong);
}
.page-products .pd-head-main{
  max-width: 34em;
}
.page-products .pd-h2{
  margin: 10px 0 0;
  color: var(--bone);
  font-size: clamp(1.5rem, 4.4vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -.03em;
}
.page-products .pd-head-note{
  margin: 0;
  max-width: 26em;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--stone);
}
.page-products .pd-workshop-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pd-gap);
  margin-top: clamp(26px, 4vw, 44px);
}

/* ---------- 左侧索引 ---------- */
.page-products .pd-rail{
  position: static;
  align-self: start;
  inset: auto;
  border: 0;
  background: transparent;
}
.page-products .pd-rail-title{
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .24em;
  color: var(--stone);
}
.page-products .pd-rail-list{
  display: flex;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-products .pd-rail-list a{
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--stone);
  color: var(--silver);
  font-size: .84rem;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}
.page-products .pd-rail-list a:hover,
.page-products .pd-rail-list a:focus-visible{
  color: var(--bone);
  border-color: var(--line-strong);
  border-left-color: var(--lime);
  background: var(--moss);
}
.page-products .pd-rail-list a[aria-current="true"],
.page-products .pd-rail-list a.is-active{
  color: var(--bone);
  background: var(--moss);
  border-left-color: var(--lime);
  box-shadow: inset 0 -1px 0 var(--lime);
}
.page-products .pd-rail-num{
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--lime);
}
.page-products .pd-rail-label{
  display: inline-block;
}

/* ---------- 模块 ---------- */
.page-products .pd-module{
  padding: clamp(26px, 4vw, 44px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 26px);
}
.page-products .pd-modules > .pd-module:first-child{
  padding-top: 0;
  border-top: 0;
}
.page-products .pd-module-head{
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}
.page-products .pd-module-num{
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .14em;
  color: var(--lime);
}
.page-products .pd-module-num::before{ content: "["; color: var(--stone); }
.page-products .pd-module-num::after{ content: "]"; color: var(--stone); }
.page-products .pd-module-title{
  margin: 0;
  color: var(--bone);
  font-size: clamp(1.3rem, 3.6vw, 2rem);
  line-height: 1.2;
  letter-spacing: -.025em;
}
.page-products .pd-module p{
  max-width: 34em;
  margin: 0 0 14px;
  font-size: .95rem;
  line-height: 1.75;
}
.page-products .pd-module p:last-child{
  margin-bottom: 0;
}
.page-products .pd-module p.pd-lead{
  max-width: 30em;
  color: var(--bone);
  font-family: var(--font-serif);
  font-size: clamp(1.02rem, 2.4vw, 1.18rem);
  line-height: 1.65;
}
.page-products .pd-link{
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 77, .42);
}
.page-products .pd-link:hover,
.page-products .pd-link:focus-visible{
  border-bottom-color: var(--lime);
  color: var(--bone);
}

/* ---------- 数据卡 ---------- */
.page-products .pd-stats{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: 12px;
  margin: 22px 0 4px;
}

/* ---------- 图像框 ---------- */
.page-products .pd-frame{
  margin: 24px 0 0;
  border: 1px solid var(--line);
  background: var(--pitch);
}
.page-products .pd-frame img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}
.page-products .pd-frame-tall img{
  aspect-ratio: 9 / 16;
  object-position: center top;
}
.page-products .pd-frame figcaption{
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  line-height: 1.6;
  color: var(--stone);
}
.page-products .pd-frames-2{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 22px;
}
.page-products .pd-frames-2 .pd-frame{
  margin: 0;
}

/* ---------- 刷新节奏线 ---------- */
.page-products .pd-signal-wrap{
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 22px 0 4px;
}
.page-products .pd-signal-label{
  flex: none;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--lime);
  white-space: nowrap;
}
.page-products .pd-signal{
  position: relative;
  flex: 1;
  height: 2px;
  background: var(--line-soft);
  overflow: hidden;
}
.page-products .pd-signal::after{
  content: "";
  position: absolute;
  top: 0;
  left: -20%;
  width: 20%;
  height: 100%;
  background: linear-gradient(90deg, rgba(200, 255, 77, 0), var(--lime), rgba(200, 255, 77, 0));
  animation: pd-sweep-8s 8s linear infinite;
}
@keyframes pd-sweep-8s{
  0%{ left: -20%; }
  100%{ left: 100%; }
}

/* ---------- 四段回顾 ---------- */
.page-products .pd-flow{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 22px 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .pd-flow li{
  padding: 16px 18px 18px;
  background: var(--moss);
}
.page-products .pd-flow-num{
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .24em;
  color: var(--lime);
}
.page-products .pd-flow h4{
  margin: 0 0 8px;
  color: var(--bone);
  font-size: 1.02rem;
  letter-spacing: -.01em;
}
.page-products .pd-flow p{
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 三档权益 ---------- */
.page-products .pd-tiers{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 22px 0 4px;
}
.page-products .pd-tier{
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  background: var(--moss);
}
.page-products .pd-tier-band{
  display: block;
  height: 4px;
  background: var(--stone);
}
.page-products .pd-tier.is-a .pd-tier-band{ background: var(--silver); }
.page-products .pd-tier.is-b .pd-tier-band{ background: var(--clay); }
.page-products .pd-tier.is-c .pd-tier-band{ background: var(--lime); }
.page-products .pd-tier-kicker{
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  color: var(--stone);
}
.page-products .pd-tier h4{
  margin: 0;
  color: var(--bone);
  font-size: 1.22rem;
  letter-spacing: -.02em;
}
.page-products .pd-tier ul{
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .pd-tier li{
  position: relative;
  padding-left: 18px;
  font-size: .88rem;
  line-height: 1.65;
  color: var(--silver);
}
.page-products .pd-tier li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 10px;
  height: 1px;
  background: var(--lime);
}
.page-products .pd-tier.is-c{
  background:
    linear-gradient(180deg, rgba(200, 255, 77, .08), rgba(200, 255, 77, 0) 58%),
    var(--moss);
}

/* ---------- 设备切换 ---------- */
.page-products .pd-devices{
  margin-top: 22px;
}
.page-products .pd-devices .tab-list{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 0;
}
.page-products .pd-devices .tab{
  padding: 9px 16px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  cursor: pointer;
  transition: color .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}
.page-products .pd-devices .tab:hover{
  color: var(--bone);
  border-color: var(--line-strong);
}
.page-products .pd-devices .tab:focus-visible{
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}
.page-products .pd-devices .tab[aria-selected="true"]{
  color: var(--ink);
  background: var(--lime);
  border-color: var(--lime);
}
.page-products .pd-devices .tab-panel{
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  background: var(--moss);
}
.page-products .pd-devices .tab-panel[hidden]{
  display: none;
}
.page-products .pd-devices .tab-panel h4{
  margin: 0 0 10px;
  color: var(--bone);
  font-size: 1.08rem;
  letter-spacing: -.015em;
}
.page-products .pd-devices .tab-panel p{
  margin: 0 0 12px;
  font-size: .92rem;
  line-height: 1.75;
}
.page-products .pd-points{
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .pd-points li{
  position: relative;
  padding-left: 16px;
  font-size: .86rem;
  line-height: 1.65;
  color: var(--silver);
}
.page-products .pd-points li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 1px;
  background: var(--lime);
}

/* ---------- 收尾 ---------- */
.page-products .pd-cta{
  border-top: 1px solid var(--line-strong);
  background:
    linear-gradient(180deg, rgba(29, 74, 60, .5), rgba(6, 24, 19, 0) 80%),
    var(--moss);
  padding: clamp(36px, 6vw, 74px) 0;
}
.page-products .pd-cta-inner{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
  align-items: end;
}
.page-products .pd-cta-title{
  margin: 10px 0 14px;
  color: var(--bone);
  font-size: clamp(1.5rem, 4.4vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -.03em;
}
.page-products .pd-cta-text p{
  max-width: 34em;
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
}
.page-products .pd-cta-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-products .pd-flow{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-products .pd-frames-2{
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 900px){
  .page-products .pd-hero-stats{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-products .pd-tiers{
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: end;
  }
  .page-products .pd-tier.is-b{ transform: translateY(-14px); }
  .page-products .pd-tier.is-c{ transform: translateY(-28px); }
  .page-products .pd-cta-inner{
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }
}

@media (min-width: 1000px){
  .page-products .pd-workshop-grid{
    grid-template-columns: var(--pd-rail-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }
  .page-products .pd-rail{
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
  .page-products .pd-rail-list{
    display: block;
    overflow: visible;
    padding-bottom: 0;
    margin-top: 10px;
  }
  .page-products .pd-rail-list li + li{
    margin-top: 6px;
  }
  .page-products .pd-rail-list a{
    white-space: normal;
  }
  .page-products .pd-rail-label{
    display: inline;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-products .pd-signal::after{
    animation: none;
    left: 0;
    width: 100%;
    opacity: .4;
  }
  .page-products .pd-tier.is-b,
  .page-products .pd-tier.is-c{
    transform: none;
  }
}