.page-products {
  --cat-pad: clamp(20px, 3.6vw, 40px);
  --cat-sticky: calc(var(--header-h-slim) + 20px);
}

.page-products .breadcrumb {
  padding-top: 20px;
}

/* 刊头区 */
.page-products .cat-head {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 42px) 0 clamp(30px, 5vw, 68px);
  border-bottom: 1px solid var(--line);
}

.page-products .cat-head::after {
  content: "";
  position: absolute;
  right: -12%;
  top: 0;
  width: 44%;
  height: 100%;
  background: linear-gradient(180deg, rgba(46, 123, 255, .12), rgba(46, 123, 255, 0) 72%);
  transform: skewX(-6deg);
  pointer-events: none;
}

.page-products .cat-head__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--cat-pad);
}

.page-products .cat-head h1 {
  margin: 10px 0 0;
  font-size: clamp(27px, 5vw, 46px);
  line-height: 1.14;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .cat-head .lede {
  margin: 16px 0 0;
  max-width: 60ch;
  color: var(--silver);
}

.page-products .cat-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .cat-jump a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--silver);
  font-size: 14px;
  text-decoration: none;
  transition: border-color .18s var(--ease), color .18s var(--ease), transform .18s var(--ease);
}

.page-products .cat-jump a::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-products .cat-jump a:hover,
.page-products .cat-jump a:focus-visible {
  border-color: var(--electric);
  color: var(--paper);
  transform: translateY(-2px);
}

.page-products .cat-head__side {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  padding: 18px 20px;
  box-shadow: var(--shadow-panel);
}

.page-products .cat-head__sideTitle {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .cat-facts {
  margin: 0;
}

.page-products .cat-facts__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}

.page-products .cat-facts__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .cat-facts dt {
  color: var(--stone);
}

.page-products .cat-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--paper);
}

/* 章节标题组 */
.page-products .cat-sec-head {
  max-width: 68ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .cat-sec-head h2 {
  margin: 0 0 10px;
  font-size: clamp(23px, 3.4vw, 32px);
  line-height: 1.22;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-products .cat-sec-head p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

/* 总览表 */
.page-products .cat-index {
  padding: clamp(32px, 4.6vw, 64px) 0;
  border-bottom: 1px solid var(--line);
}

.page-products .cat-index__figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-products .cat-index figure img,
.page-products .cat-body figure img,
.page-products .cat-archive figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .cat-table {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .cat-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 10px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-products .cat-row__num {
  grid-row: 1 / span 4;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-products .cat-row__cell {
  grid-column: 2;
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-products .cat-row__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--stone);
}

.page-products .cat-row__name {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-products .cat-row__note {
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
}

.page-products .cat-row__val {
  font-size: 14px;
  line-height: 1.65;
  color: var(--silver);
}

.page-products .cat-mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: var(--paper);
}

/* 详情长条目 + 速查窄栏 */
.page-products .cat-body {
  padding: clamp(32px, 4.6vw, 66px) 0;
  border-bottom: 1px solid var(--line);
}

.page-products .cat-body__grid {
  display: grid;
  gap: var(--cat-pad);
}

.page-products .cat-entry {
  padding: clamp(18px, 2.4vw, 26px) 0 clamp(22px, 3vw, 32px) clamp(14px, 2vw, 22px);
  border-left: 3px solid var(--line-soft);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h-slim) + 24px);
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-products .cat-entry:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .cat-entry:target {
  border-left-color: var(--electric);
  background: rgba(46, 123, 255, .05);
}

.page-products .cat-entry__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.page-products .cat-entry__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-products .cat-entry h2 {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 27px);
  line-height: 1.28;
  font-weight: 900;
  color: var(--paper);
}

.page-products .cat-entry h3 {
  margin: 22px 0 0;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-products .cat-entry .prose {
  margin: 14px 0 0;
  color: var(--silver);
}

.page-products .cat-entry .prose a,
.page-products .cat-tail a {
  color: var(--electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 123, 255, .42);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-products .cat-entry .prose a:hover,
.page-products .cat-tail a:hover {
  color: var(--paper);
  border-bottom-color: var(--cyan);
}

.page-products .cat-points {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .cat-points li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--silver);
}

.page-products .cat-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

.page-products .cat-entry figure {
  margin: 22px 0 4px;
}

.page-products .cat-body__aside {
  min-width: 0;
}

.page-products .cat-quick {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--ink-3), var(--ink-2));
  padding: 20px;
  box-shadow: var(--shadow-panel);
}

.page-products .cat-quick__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-products .cat-quick__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .cat-quick__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
}

.page-products .cat-quick__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-products .cat-quick__k {
  color: var(--stone);
}

.page-products .cat-quick__v {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--paper);
  text-align: right;
}

.page-products .cat-quick__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

.page-products .cat-quick__links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 14px 0 0;
  padding: 0;
}

.page-products .cat-quick__links a {
  font-size: 13px;
  color: var(--electric);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease);
}

.page-products .cat-quick__links a:hover {
  border-bottom-color: var(--electric);
}

/* 专题归档（浅色分区） */
.page-products .cat-archive {
  padding: clamp(32px, 4.6vw, 68px) 0;
  color: var(--ink-2);
}

.page-products .cat-archive .cat-sec-head h2 {
  color: var(--ink-2);
}

.page-products .cat-archive .cat-sec-head p {
  color: rgba(11, 27, 58, .76);
}

.page-products .cat-archive figure {
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-products .cat-phases {
  margin: 0;
}

.page-products .cat-phases__bars {
  display: none;
}

.page-products .cat-phases__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-products .cat-phase {
  border-left: 4px solid var(--line);
  padding-left: 14px;
}

.page-products .cat-phase:nth-child(1) {
  border-left-color: var(--moss);
}

.page-products .cat-phase:nth-child(2) {
  border-left-color: var(--electric);
}

.page-products .cat-phase:nth-child(3) {
  border-left-color: var(--gold);
}

.page-products .cat-phase:nth-child(4) {
  border-left-color: var(--clay);
}

.page-products .cat-phase__name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-2);
}

.page-products .cat-phase__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: rgba(11, 27, 58, .62);
}

.page-products .cat-phase__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(11, 27, 58, .74);
}

.page-products .cat-ways {
  display: grid;
  gap: 14px;
  margin-top: clamp(24px, 3vw, 36px);
}

.page-products .cat-way {
  border: 1px solid rgba(11, 27, 58, .18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .55);
  padding: 16px 18px;
}

.page-products .cat-way h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 800;
  color: var(--ink-2);
}

.page-products .cat-way p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(11, 27, 58, .76);
}

/* 起步路线 */
.page-products .cat-start {
  padding: clamp(32px, 4.6vw, 68px) 0;
}

.page-products .cat-start__grid {
  display: grid;
  gap: 16px;
}

.page-products .cat-path {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  padding: 20px;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-products .cat-path:hover {
  transform: translateY(-4px);
  border-color: var(--electric);
}

.page-products .cat-path h3 {
  margin: 8px 0 16px;
  font-size: 18px;
  line-height: 1.35;
  font-weight: 800;
  color: var(--paper);
}

.page-products .cat-steps {
  list-style: none;
  counter-reset: catstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .cat-steps li {
  position: relative;
  counter-increment: catstep;
  padding-left: 28px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

.page-products .cat-steps li::before {
  content: counter(catstep);
  position: absolute;
  left: 0;
  top: 2px;
  width: 18px;
  height: 18px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--cyan);
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-products .cat-steps li:hover::before {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-products .cat-tail {
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--stone);
}

/* 断点：分屏与栅格 */
@media (min-width: 760px) {
  .page-products .cat-phases__bars {
    display: grid;
    grid-template-columns: 12fr 16fr 9fr 5fr;
    gap: 8px;
    list-style: none;
    margin: 0 0 16px;
    padding: 0;
  }

  .page-products .cat-phases__bar {
    height: 14px;
    border-radius: 2px;
  }

  .page-products .cat-phases__bar:nth-child(1) {
    background: var(--moss);
  }

  .page-products .cat-phases__bar:nth-child(2) {
    background: var(--electric);
  }

  .page-products .cat-phases__bar:nth-child(3) {
    background: var(--gold);
  }

  .page-products .cat-phases__bar:nth-child(4) {
    background: var(--clay);
  }

  .page-products .cat-phases__list {
    grid-template-columns: 12fr 16fr 9fr 5fr;
    gap: 8px;
  }

  .page-products .cat-phase {
    border-left: 0;
    border-top: 2px solid transparent;
    padding: 14px 0 0;
  }

  .page-products .cat-phase:nth-child(1) {
    border-top-color: var(--moss);
  }

  .page-products .cat-phase:nth-child(2) {
    border-top-color: var(--electric);
  }

  .page-products .cat-phase:nth-child(3) {
    border-top-color: var(--gold);
  }

  .page-products .cat-phase:nth-child(4) {
    border-top-color: var(--clay);
  }

  .page-products .cat-ways {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
  }

  .page-products .cat-start__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}

@media (min-width: 860px) {
  .page-products .cat-row {
    grid-template-columns: 52px minmax(0, 1.5fr) minmax(0, .9fr) minmax(0, 1.15fr) minmax(0, 1.15fr);
    column-gap: 22px;
    row-gap: 0;
    align-items: start;
    padding: 20px 0;
  }

  .page-products .cat-row__num {
    grid-row: auto;
    grid-column: 1;
  }

  .page-products .cat-row__cell {
    grid-column: auto;
    gap: 6px;
  }

  .page-products .cat-row__k {
    display: none;
  }
}

@media (min-width: 920px) {
  .page-products .cat-head__grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, .88fr);
    align-items: end;
  }

  .page-products .cat-start__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-products .cat-body__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-products .cat-body__aside {
    position: sticky;
    top: var(--cat-sticky);
  }
}