.page-products{
  background: var(--sea);
  color: var(--ice);
  overflow-x: hidden;
  padding-block: clamp(18px,3vw,34px) clamp(40px,6vw,80px);
}

.page-products .breadcrumbs{
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ice-64);
  margin-bottom: clamp(18px,3vw,30px);
}
.page-products .breadcrumbs a{
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-products .breadcrumbs a:hover,
.page-products .breadcrumbs a:focus-visible{
  border-bottom-color: var(--coral);
  color: var(--coral-soft);
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero{
  padding-block: clamp(10px,2vw,22px) clamp(28px,4.5vw,56px);
}
.page-products .cat-hero__grid{
  display: grid;
  gap: clamp(24px,4vw,44px);
}
.page-products .eyebrow{
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--sand);
  margin: 0 0 clamp(14px,2vw,22px);
}
.page-products .eyebrow::before{
  content: "";
  width: 34px;
  height: 1px;
  background: var(--coral);
}
.page-products h1{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem,6.4vw,4.3rem);
  line-height: 1.08;
  letter-spacing: -.01em;
  color: #fff;
  margin: 0 0 clamp(14px,2vw,22px);
}
.page-products .cat-hero__lead{
  max-width: 34em;
  font-size: clamp(15px,1.6vw,17.5px);
  line-height: 1.8;
  color: var(--ice-64);
  margin: 0 0 clamp(20px,3vw,30px);
}
.page-products .cat-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-products .cat-hero__actions .btn{
  text-decoration: none;
}

.page-products .cat-hero__index{
  position: relative;
  background: linear-gradient(158deg, var(--sea-3), var(--sea-2) 62%);
  border: 1px solid var(--ice-14);
  border-radius: var(--radius-m);
  padding: clamp(16px,2.4vw,24px);
  box-shadow: var(--shadow-panel);
}
.page-products .cat-hero__index::before{
  content: "";
  position: absolute;
  top: -1px;
  left: clamp(16px,2.4vw,24px);
  width: 74px;
  height: 3px;
  background: var(--coral);
  transform: skewX(-24deg);
}
.page-products .cat-hero__index .meta-line{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--sand);
  margin: 0 0 12px;
}
.page-products .cat-hero__index ol{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}
.page-products .cat-hero__index a{
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 8px;
  color: var(--ice);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--ice-08);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}
.page-products .cat-hero__index a span{
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--coral);
  letter-spacing: .06em;
}
.page-products .cat-hero__index a:hover,
.page-products .cat-hero__index a:focus-visible{
  background: var(--ice-08);
  color: var(--coral-soft);
  padding-left: 14px;
}
.page-products .cat-hero__index li:last-child a{
  border-bottom: 0;
}

/* ---------- 章节骨架 ---------- */
.page-products .cat-chapter{
  display: grid;
  gap: clamp(14px,2.4vw,28px);
  padding-block: clamp(30px,5vw,58px);
  border-top: 1px solid var(--ice-14);
  scroll-margin-top: 120px;
}
.page-products .cat-chapter__head{
  display: flex;
  align-items: flex-start;
}
.page-products .chapter__num{
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.2rem,6vw,3.6rem);
  line-height: .85;
  color: var(--sand);
  transform: skewX(-6deg);
  letter-spacing: .04em;
}
.page-products .chapter__title{
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem,3.4vw,2.4rem);
  line-height: 1.18;
  letter-spacing: .01em;
  color: #fff;
  margin: 0 0 12px;
}
.page-products .cat-chapter__lead{
  max-width: 40em;
  font-size: clamp(14.5px,1.5vw,16.5px);
  line-height: 1.85;
  color: var(--ice-64);
  margin: 0 0 clamp(16px,2.4vw,26px);
}

/* ---------- 目录列表 ---------- */
.page-products .index-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.page-products .index-list__item{
  display: grid;
  grid-template-columns: 2.2rem minmax(0,1fr);
  column-gap: 14px;
  padding: clamp(14px,2vw,20px) 0;
  border-bottom: 1px solid var(--ice-08);
  transition: background-color var(--dur) var(--ease);
}
.page-products .index-list__item:hover{
  background: linear-gradient(90deg, var(--ice-08), transparent 70%);
}
.page-products .index-list__num{
  grid-column: 1;
  grid-row: 1 / span 3;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--coral);
  padding-top: 5px;
}
.page-products .index-list__title{
  grid-column: 2;
  font-family: var(--font-head);
  font-size: 1.12rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: #fff;
  margin: 0;
}
.page-products .index-list__desc{
  grid-column: 2;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ice-64);
  margin: 6px 0 0;
}
.page-products .index-list__meta{
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--sand);
  margin-top: 8px;
}

/* ---------- 筛选区 ---------- */
.page-products .cat-filter{
  display: grid;
  gap: clamp(18px,3vw,30px);
  margin-bottom: clamp(18px,3vw,30px);
}
.page-products .cat-card{
  background: var(--sea-2);
  border: 1px solid var(--ice-14);
  border-radius: var(--radius-m);
  padding: clamp(16px,2.4vw,26px);
  box-shadow: var(--shadow-panel);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-products .cat-card:hover{
  transform: translateY(-2px);
  border-color: var(--ice-24);
}
.page-products .cat-chips{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
}
.page-products .chip{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid var(--ice-24);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--ice-64);
  background: transparent;
  cursor: default;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-products .chip::before{
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ice-24);
  transition: background-color var(--dur) var(--ease);
}
.page-products .chip:hover{
  border-color: var(--coral-soft);
  color: var(--ice);
}
.page-products .chip[aria-pressed="true"]{
  border-color: var(--teal);
  color: #fff;
  background: rgba(54,214,195,.08);
}
.page-products .chip[aria-pressed="true"]::before{
  background: var(--coral);
}

.page-products .cat-points{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-products .cat-points li{
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ice-64);
}
.page-products .cat-points li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 11px;
  height: 1px;
  background: var(--coral);
}
.page-products .cat-points strong{
  color: #fff;
  font-weight: 600;
}

/* ---------- 图片 ---------- */
.page-products .media{
  aspect-ratio: auto;
  margin: 0;
  border: 1px solid var(--ice-14);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--sea-2);
  box-shadow: var(--shadow-panel);
}
.page-products .media img{
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-products .media__caption{
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--ice-64);
  padding: 10px 14px;
  border-top: 1px solid var(--ice-08);
  background: rgba(4,18,31,.35);
}
.page-products .cat-media-span{
  margin-top: clamp(18px,3vw,30px);
}

/* ---------- 指标 ---------- */
.page-products .cat-card--paper{
  background: var(--paper);
  color: var(--ink);
  border-color: var(--ink-12);
  margin-bottom: clamp(18px,3vw,30px);
}
.page-products .cat-card--paper:hover{
  border-color: rgba(255,107,74,.5);
}
.page-products .cat-stats{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px,1fr));
  gap: 16px;
  margin-bottom: clamp(16px,2.4vw,24px);
}
.page-products .cat-stat{
  border-left: 2px solid var(--coral);
  padding-left: 12px;
}
.page-products .cat-stat__num{
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.5rem,3.6vw,2.3rem);
  line-height: 1;
  color: var(--sea);
}
.page-products .cat-stat__unit{
  font-size: .5em;
  margin-left: 4px;
  color: var(--coral);
}
.page-products .cat-stat__label{
  display: block;
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .03em;
  color: var(--ink-64);
}
.page-products .cat-points--ink li{
  color: var(--ink-64);
}
.page-products .cat-points--ink strong{
  color: var(--ink);
}

/* ---------- 转会对照 ---------- */
.page-products .transfer{
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
  margin-bottom: clamp(16px,2.4vw,24px);
}
.page-products .transfer__col{
  border: 1px solid var(--ice-14);
  border-left: 2px solid var(--ice-24);
  border-radius: var(--radius-m);
  padding: 16px 16px 18px;
  background: rgba(220,230,239,.03);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-products .transfer__col:hover{
  border-color: var(--teal);
  border-left-color: var(--coral);
  background: rgba(54,214,195,.07);
  transform: translateY(-2px);
}
.page-products .transfer__idx{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--sand);
}
.page-products .transfer__col h3{
  font-family: var(--font-head);
  font-size: 1.08rem;
  font-weight: 700;
  color: #fff;
  margin: 8px 0 6px;
}
.page-products .transfer__col p{
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ice-64);
}

/* ---------- 数据看板 ---------- */
.page-products .board{
  display: grid;
  gap: clamp(18px,3vw,28px);
}
.page-products .board__head{
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 10px;
}
.page-products .board__num{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.6rem,6vw,4rem);
  line-height: .9;
  color: var(--coral);
}
.page-products .board__unit{
  font-family: var(--font-head);
  font-size: 1rem;
  letter-spacing: .12em;
  color: var(--ice-64);
}
.page-products .board__lead{
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ice-64);
}
.page-products .board__tags{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.page-products .tag{
  display: inline-block;
  padding: 5px 10px;
  border: 1px solid var(--ice-24);
  border-radius: var(--radius-s);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .03em;
  color: var(--ice-64);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}
.page-products .tag:hover{
  border-color: var(--teal);
  color: #fff;
  background: rgba(54,214,195,.1);
}

/* ---------- 版本演进 ---------- */
.page-products .evo{
  display: grid;
  gap: clamp(18px,3vw,30px);
  margin-bottom: clamp(16px,2.4vw,24px);
}
.page-products .track{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.page-products .track li{
  position: relative;
  padding: 0 0 18px 26px;
  border-left: 1px solid var(--ice-24);
}
.page-products .track li:last-child{
  padding-bottom: 0;
  border-left-color: transparent;
}
.page-products .track li::before{
  content: "";
  position: absolute;
  left: -4px;
  top: 5px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 3px rgba(255,107,74,.16);
  transition: transform var(--dur) var(--ease);
}
.page-products .track li:hover::before{
  transform: scale(1.4);
}
.page-products .track__idx{
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--sand);
}
.page-products .track__title{
  display: block;
  font-family: var(--font-head);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin: 4px 0 4px;
}
.page-products .track__desc{
  display: block;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ice-64);
}

/* ---------- 说明行 ---------- */
.page-products .cat-note{
  font-size: 14px;
  line-height: 1.85;
  color: var(--ice-64);
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--ice-14);
}
.page-products .cat-note a{
  color: var(--coral-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255,154,122,.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .cat-note a:hover,
.page-products .cat-note a:focus-visible{
  color: #fff;
  border-bottom-color: var(--coral);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 700px){
  .page-products .transfer{
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
  .page-products .cat-chapter{
    grid-template-columns: minmax(0,1fr);
  }
}

@media (min-width: 900px){
  .page-products .cat-hero__grid{
    grid-template-columns: minmax(0,1.45fr) minmax(280px,.55fr);
    align-items: end;
  }
  .page-products .cat-filter{
    grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr);
    align-items: start;
  }
  .page-products .board{
    grid-template-columns: minmax(0,1.1fr) minmax(0,.9fr);
    align-items: start;
  }
  .page-products .evo{
    grid-template-columns: minmax(0,1.1fr) minmax(0,.9fr);
    align-items: start;
  }
  .page-products .evo__figure{
    align-self: stretch;
  }
}

@media (min-width: 1000px){
  .page-products .cat-chapter{
    grid-template-columns: clamp(130px,15vw,200px) minmax(0,1fr);
    column-gap: clamp(20px,3vw,40px);
  }
  .page-products .chapter__num{
    position: sticky;
    top: 130px;
  }
  .page-products .transfer{
    grid-template-columns: repeat(4, minmax(0,1fr));
  }
}

@media (prefers-reduced-motion: reduce){
  .page-products .cat-card,
  .page-products .transfer__col,
  .page-products .track li::before,
  .page-products .chip,
  .page-products .tag,
  .page-products .cat-hero__index a{
    transition: none;
  }
  .page-products .cat-card:hover,
  .page-products .transfer__col:hover{
    transform: none;
  }
}
<<<END>>>
