.page-products {
  --cat-radius: 22px;
  --cat-gap: 16px;
  position: relative;
  display: block;
  overflow-x: clip;
  background: var(--ink);
  color: var(--mist);
}

.page-products::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 640px;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(760px 340px at 84% -6%, rgba(69, 224, 208, 0.16), transparent 68%),
    radial-gradient(620px 300px at 4% 6%, rgba(245, 196, 81, 0.1), transparent 66%);
}

.page-products > * {
  position: relative;
  z-index: 1;
}

/* ---------- 首屏 ---------- */
.page-products .cat-hero {
  padding: 26px 0 52px;
}

.page-products .cat-hero .breadcrumbs {
  margin-bottom: 22px;
}

.page-products .cat-hero-grid {
  display: grid;
  gap: 30px;
}

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

.page-products .cat-hero-copy h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 8.2vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--mist);
}

.page-products .cat-hero-lead {
  margin: 0 0 26px;
  max-width: 48ch;
  font-size: 16px;
  line-height: 1.78;
  color: rgba(234, 240, 248, 0.8);
}

.page-products .cat-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-products .cat-hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-products .cat-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-products .cat-fact-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(19px, 5.4vw, 28px);
  letter-spacing: 0.02em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-products .cat-fact-label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--muted);
}

.page-products .cat-hero-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--cat-radius);
  background: var(--navy);
  box-shadow: 0 30px 60px -44px rgba(0, 0, 0, 0.95);
}

.page-products .cat-hero-visual img {
  display: block;
  width: 100%;
  height: clamp(190px, 50vw, 340px);
  object-fit: cover;
}

/* ---------- 章节骨架 ---------- */
.page-products .cat-sec {
  padding: clamp(44px, 9vw, 92px) 0;
}

.page-products .cat-sec--band {
  background: linear-gradient(180deg, rgba(12, 23, 48, 0.92), rgba(7, 10, 18, 0));
}

.page-products .cat-head {
  max-width: 720px;
  margin-bottom: clamp(26px, 5vw, 46px);
}

.page-products .cat-title {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 5.4vw, 36px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-products .cat-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(234, 240, 248, 0.74);
}

.page-products .cat-body {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(234, 240, 248, 0.82);
}

.page-products .cat-note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 技能树节点 ---------- */
.page-products .cat-tree {
  display: grid;
  gap: var(--cat-gap);
}

.page-products .cat-node {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(155deg, rgba(20, 35, 63, 0.92), rgba(12, 23, 48, 0.88));
  box-shadow: 0 20px 40px -34px rgba(0, 0, 0, 0.95), inset 0 1px 0 rgba(255, 255, 255, 0.03);
  color: var(--mist);
  text-decoration: none;
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.page-products .cat-node:hover,
.page-products .cat-node:focus-visible {
  border-color: var(--gold);
  transform: translateY(-4px);
  box-shadow: 0 28px 46px -30px rgba(245, 196, 81, 0.42);
}

.page-products .cat-node:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 24px;
  bottom: -16px;
  width: 1px;
  height: 16px;
  background: linear-gradient(180deg, var(--line), rgba(42, 61, 94, 0));
}

.page-products .cat-node-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-products .cat-node-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .cat-node-dot {
  flex: 0 0 auto;
}

.page-products .cat-node-title {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-products .cat-node-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-products .cat-node-go {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}

/* ---------- 分栏 ---------- */
.page-products .cat-split {
  display: grid;
  gap: 26px;
}

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

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

.page-products .cat-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(234, 240, 248, 0.8);
}

.page-products .cat-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-products .cat-list strong {
  color: var(--mist);
  font-weight: 700;
}

/* ---------- 点击次数对比 ---------- */
.page-products .cat-slip {
  padding: 22px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(20, 35, 63, 0.86), rgba(12, 23, 48, 0.92));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.page-products .cat-slip-label {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-products .cat-meter {
  display: grid;
  gap: 8px;
}

.page-products .cat-meter-row {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr) 34px;
  align-items: center;
  gap: 10px;
}

.page-products .cat-meter-key {
  font-size: 12px;
  color: var(--muted);
}

.page-products .cat-meter-bar {
  position: relative;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(42, 61, 94, 0.55);
}

.page-products .cat-meter-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.page-products .cat-meter-row--old .cat-meter-bar span {
  width: 100%;
  background: linear-gradient(90deg, rgba(147, 164, 195, 0.45), rgba(147, 164, 195, 0.85));
}

.page-products .cat-meter-row--new .cat-meter-bar span {
  width: 50%;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
}

.page-products .cat-meter-value {
  font-family: var(--font-mono);
  font-size: 14px;
  text-align: right;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-products .cat-slip-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(42, 61, 94, 0.9);
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 图文分栏 ---------- */
.page-products .cat-media-split {
  display: grid;
  gap: 26px;
}

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

.page-products .cat-fig {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--cat-radius);
  background: var(--navy);
  box-shadow: 0 26px 54px -42px rgba(0, 0, 0, 0.95);
}

.page-products .cat-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .cat-fig--tall img {
  height: clamp(300px, 74vw, 520px);
}

.page-products .cat-fig--wide img {
  height: clamp(190px, 44vw, 320px);
}

.page-products .cat-fig--square img {
  height: clamp(240px, 62vw, 360px);
}

.page-products .cat-wide-fig {
  margin-bottom: 26px;
}

.page-products .cat-wide-fig img {
  height: clamp(190px, 42vw, 380px);
}

/* ---------- 数据小格 ---------- */
.page-products .cat-data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 22px 0 0;
}

.page-products .cat-cell {
  padding: 16px 15px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(20, 35, 63, 0.62);
}

.page-products .cat-cell p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: rgba(234, 240, 248, 0.76);
}

/* ---------- 双卡 ---------- */
.page-products .cat-pair {
  display: grid;
  gap: 18px;
}

.page-products .cat-card {
  position: relative;
  padding: 24px 22px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(20, 35, 63, 0.88), rgba(12, 23, 48, 0.92));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.page-products .cat-card::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -6px;
  height: 6px;
  border: 1px solid var(--line);
  border-top: 0;
  border-radius: 0 0 12px 12px;
  background: rgba(12, 23, 48, 0.8);
}

.page-products .cat-card-index {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-products .cat-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
  color: var(--mist);
}

.page-products .cat-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(234, 240, 248, 0.78);
}

.page-products .cat-mini {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px dashed rgba(42, 61, 94, 0.9);
}

.page-products .cat-mini li {
  position: relative;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-products .cat-mini li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------- 步骤 ---------- */
.page-products .cat-steps {
  counter-reset: catstep;
  display: grid;
  gap: 14px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-products .cat-steps li {
  counter-increment: catstep;
  position: relative;
  padding-left: 44px;
  font-size: 14.5px;
  line-height: 1.72;
  color: rgba(234, 240, 248, 0.82);
}

.page-products .cat-steps li::before {
  content: counter(catstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

/* ---------- 问答 ---------- */
.page-products .cat-accordion {
  display: grid;
  gap: 12px;
}

.page-products .cat-accordion .accordion-item {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(12, 23, 48, 0.72);
  overflow: hidden;
  transition: border-color 0.3s var(--ease);
}

.page-products .cat-accordion .accordion-item:hover {
  border-color: rgba(69, 224, 208, 0.45);
}

.page-products .cat-accordion .accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  width: 100%;
  padding: 18px 18px;
  border: 0;
  background: transparent;
  color: var(--mist);
  font-family: inherit;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  cursor: pointer;
}

.page-products .cat-accordion .accordion-trigger[aria-expanded="true"] {
  color: var(--gold);
}

.page-products .cat-accordion .accordion-icon {
  flex: 0 0 auto;
}

.page-products .cat-accordion .accordion-inner {
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(234, 240, 248, 0.78);
}

.page-products .cat-accordion .accordion-inner p {
  margin: 0;
}

/* ---------- 收尾 ---------- */
.page-products .cat-next {
  padding: clamp(24px, 5vw, 46px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(620px 220px at 92% 0%, rgba(69, 224, 208, 0.14), transparent 70%),
    linear-gradient(150deg, rgba(20, 35, 63, 0.92), rgba(12, 23, 48, 0.95));
}

.page-products .cat-next-links {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.page-products .cat-next-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 15px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: rgba(7, 10, 18, 0.42);
  color: var(--mist);
  text-decoration: none;
  transition: border-color 0.3s var(--ease), transform 0.3s var(--ease);
}

.page-products .cat-next-link:hover,
.page-products .cat-next-link:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-products .cat-next-link span:first-child {
  font-size: 15px;
  font-weight: 700;
}

.page-products .cat-next-link span:last-child {
  font-size: 12px;
  line-height: 1.55;
  color: var(--muted);
}

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

  .page-products .cat-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

@media (min-width: 780px) {
  .page-products .cat-tree {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-products .cat-node:nth-child(even) {
    margin-top: 24px;
  }

  .page-products .cat-node:not(:last-child)::after {
    left: auto;
    right: -22px;
    bottom: auto;
    top: 50%;
    width: 22px;
    height: 1px;
    background: linear-gradient(90deg, var(--line), rgba(42, 61, 94, 0));
  }
}

@media (min-width: 860px) {
  .page-products .cat-hero {
    padding: 40px 0 76px;
  }

  .page-products .cat-hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 48px;
    align-items: center;
  }

  .page-products .cat-hero-visual img {
    height: 380px;
  }

  .page-products .cat-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .cat-split--reverse {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }

  .page-products .cat-media-split {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: 48px;
    align-items: start;
  }

  .page-products .cat-media-split--save {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
  }

  .page-products .cat-next-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<PAGE_CSS_END>>>