.page-products {
  --cat-gap: clamp(12px, 1.6vw, 22px);
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(22px, 3.6vw, 44px) var(--gutter) clamp(64px, 9vw, 128px);
  color: var(--fog);
  font-family: var(--font-body);
  background:
    radial-gradient(115% 70% at 100% 0%, rgba(198, 255, 61, .07), transparent 58%),
    radial-gradient(90% 55% at 0% 18%, rgba(50, 230, 200, .05), transparent 68%);
  overflow-wrap: break-word;
}

/* 面包屑 */
.page-products .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mute);
}
.page-products .crumb {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .crumb:hover,
.page-products .crumb:focus-visible {
  color: var(--volt);
  border-bottom-color: var(--volt);
}
.page-products .crumb-sep { color: var(--line); }
.page-products .crumb-current { color: var(--fog); }

/* 首屏 */
.page-products .cat-hero {
  position: relative;
  padding-block: clamp(16px, 2.6vw, 34px) clamp(20px, 3vw, 38px);
  border-bottom: 1px solid var(--line);
}
.page-products .cat-hero::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: clamp(56px, 11vw, 156px);
  height: clamp(26px, 4.4vw, 50px);
  background: var(--volt);
  clip-path: polygon(32% 0, 100% 0, 68% 100%, 0 100%);
  pointer-events: none;
}
.page-products .cat-hero h1 {
  margin: .18em 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7.4vw, 102px);
  line-height: .96;
  letter-spacing: -.035em;
  max-width: 18ch;
}
.page-products .cat-hero h1 .hl { color: var(--volt); }
.page-products .cat-lede {
  margin: clamp(14px, 2vw, 24px) 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.1vw, 17px);
  line-height: 1.85;
  color: var(--mute);
}

/* 数字条 */
.page-products .cat-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(20px, 3vw, 34px) 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .cat-figures > div {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 14px;
  background: var(--ink-2);
}
.page-products .cat-figures dt {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mute);
}
.page-products .cat-figures dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(22px, 2.6vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--volt);
  font-variant-numeric: tabular-nums;
}

/* 目录骨架 */
.page-products .cat-board {
  display: grid;
  gap: var(--cat-gap);
  margin-top: clamp(20px, 3vw, 40px);
}
.page-products .cat-rail-title {
  display: none;
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--mute);
}
.page-products .cat-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-products .cat-rail-list::-webkit-scrollbar { display: none; }
.page-products .cat-rail-list li { flex: none; }
.page-products .cat-rail-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  color: var(--fog);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-products .cat-rail-list a .mono {
  font-size: 11px;
  color: var(--volt);
  letter-spacing: .08em;
}
.page-products .cat-rail-list a:hover,
.page-products .cat-rail-list a:focus-visible {
  border-color: var(--volt);
  color: var(--volt);
}

/* 章节 */
.page-products .cat-sec {
  padding-top: clamp(18px, 2.4vw, 30px);
  border-top: 1px solid var(--line);
  scroll-margin-top: 88px;
}
.page-products .cat-sec + .cat-sec { margin-top: clamp(32px, 4.2vw, 64px); }
.page-products .cat-sec:first-child { border-top: 0; padding-top: 0; }
.page-products .cat-sec-head {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: clamp(12px, 1.8vw, 20px);
}
.page-products .cat-sec-num {
  flex: none;
  padding: 4px 8px;
  background: var(--volt);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .06em;
}
.page-products .cat-sec-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.2vw, 44px);
  line-height: 1.08;
  letter-spacing: -.025em;
}
.page-products .cat-sec-lede {
  margin: 0 0 clamp(14px, 2vw, 22px);
  max-width: 60ch;
  font-size: clamp(14px, 1.05vw, 17px);
  line-height: 1.85;
  color: var(--mute);
}

/* 图片 */
.page-products .cat-shot {
  margin: 0 0 clamp(16px, 2.2vw, 26px);
  border: 1px solid var(--line);
  background: var(--ink-2);
}
.page-products .cat-shot img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 五栏目条目 */
.page-products .cat-entries {
  display: grid;
  gap: var(--cat-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .cat-entry {
  position: relative;
  padding: clamp(16px, 2vw, 24px) clamp(14px, 1.8vw, 22px) clamp(18px, 2vw, 26px);
  border: 1px solid var(--line);
  background: var(--ink-2);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background-image var(--dur) var(--ease);
}
.page-products .cat-entry:hover,
.page-products .cat-entry:focus-within {
  transform: translateY(-4px);
  border-color: var(--volt);
  background-image: linear-gradient(0deg, rgba(198, 255, 61, .06), rgba(198, 255, 61, .06));
}
.page-products .cat-entry--key {
  background-image: linear-gradient(140deg, rgba(50, 230, 200, .1), transparent 58%);
}
.page-products .cat-entry-idx {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--flame);
}
.page-products .cat-entry h3 {
  margin: 0 0 8px;
  font-size: clamp(16px, 1.4vw, 19px);
  font-weight: 700;
  line-height: 1.3;
}
.page-products .cat-entry p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mute);
}

/* 订阅三栏 */
.page-products .cat-triple {
  display: grid;
  gap: clamp(16px, 2.2vw, 28px);
  margin: 0 0 clamp(18px, 2.4vw, 28px);
  padding: 0;
  list-style: none;
}
.page-products .cat-triple li {
  padding-top: 12px;
  border-top: 2px solid var(--cyan);
}
.page-products .cat-triple-num {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}
.page-products .cat-triple h3 {
  margin: 0 0 6px;
  font-size: clamp(16px, 1.35vw, 19px);
  font-weight: 700;
}
.page-products .cat-triple p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mute);
}

/* 提示条 */
.page-products .cat-callout {
  position: relative;
  margin: 0;
  padding: clamp(16px, 2vw, 22px) clamp(16px, 2vw, 24px) clamp(16px, 2vw, 22px) clamp(58px, 7vw, 86px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--flame);
  background: linear-gradient(90deg, rgba(255, 122, 26, .1), transparent 62%), var(--ink-2);
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}
.page-products .cat-callout-tag {
  position: absolute;
  left: clamp(14px, 2vw, 20px);
  top: clamp(16px, 2vw, 22px);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--flame);
}

/* 案例索引方式 */
.page-products .cat-methods {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .cat-methods li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  font-size: 14px;
  line-height: 1.75;
  color: var(--mute);
}
.page-products .cat-methods .mono {
  flex: none;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--violet);
  padding-top: 2px;
}
.page-products .cat-methods b {
  display: block;
  margin-bottom: 2px;
  color: var(--fog);
  font-weight: 700;
}

/* 数据条 */
.page-products .cat-metrics {
  display: grid;
  gap: 1px;
  margin: 0 0 clamp(16px, 2.2vw, 26px);
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-products .cat-metrics li {
  padding: clamp(14px, 2vw, 22px);
  background: var(--ink-2);
}
.page-products .cat-metrics .mono {
  display: block;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--volt);
}
.page-products .cat-metrics li:nth-child(2) .mono { color: var(--flame); }
.page-products .cat-metrics li:nth-child(3) .mono { color: var(--cyan); }
.page-products .cat-metrics b {
  display: block;
  margin: 4px 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--mute);
}
.page-products .cat-metric-note {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fog);
}
.page-products .cat-inline-link {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mute);
}
.page-products .cat-inline-link a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, .35);
  transition: border-color var(--dur) var(--ease);
}
.page-products .cat-inline-link a:hover,
.page-products .cat-inline-link a:focus-visible { border-bottom-color: var(--volt); }

/* 使用人群 */
.page-products .cat-audience {
  display: grid;
  gap: var(--cat-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-products .cat-audience li {
  padding: clamp(18px, 2.2vw, 26px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(139, 108, 255, .1), transparent 72%), var(--ink-2);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  transition: border-color var(--dur) var(--ease);
}
.page-products .cat-audience li:hover { border-color: var(--violet); }
.page-products .cat-audience-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 8px;
  border: 1px solid var(--violet);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--violet);
}
.page-products .cat-audience h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 1.5vw, 21px);
  font-weight: 700;
}
.page-products .cat-audience p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mute);
}
.page-products .cat-more {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(50, 230, 200, .4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-products .cat-more:hover,
.page-products .cat-more:focus-visible {
  color: var(--volt);
  border-bottom-color: var(--volt);
}

/* 版本与支持 */
.page-products .cat-split {
  display: grid;
  gap: clamp(20px, 2.6vw, 34px);
}
.page-products .cat-split .cat-sec-lede { margin-bottom: 16px; }
.page-products .cat-split .cat-shot { margin-bottom: 0; }
.page-products .cat-support {
  padding-left: clamp(14px, 2vw, 22px);
  border-left: 2px solid var(--line);
}
.page-products .cat-support h3 {
  margin: 0 0 12px;
  font-size: clamp(17px, 1.5vw, 20px);
  font-weight: 700;
}
.page-products .cat-support p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mute);
}
.page-products .cat-support p:last-child { margin-bottom: 0; }
.page-products .cat-support-num {
  color: var(--volt);
  font-weight: 700;
  letter-spacing: .02em;
}
.page-products .cat-support a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid var(--volt);
  transition: color var(--dur) var(--ease);
}
.page-products .cat-support a:hover,
.page-products .cat-support a:focus-visible { color: var(--volt); }

/* 响应式 */
@media (min-width: 640px) {
  .page-products .cat-methods { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .cat-figures > div { padding: 14px 16px; }
}

@media (min-width: 700px) {
  .page-products .cat-entries { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-products .cat-triple { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .cat-metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .cat-figures { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 780px) {
  .page-products .cat-audience { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 860px) {
  .page-products .cat-split { grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); }
}

@media (min-width: 960px) {
  .page-products .cat-board {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(20px, 3vw, 52px);
    align-items: start;
  }
  .page-products .cat-rail {
    position: sticky;
    top: 96px;
    align-self: start;
    padding-right: 16px;
    border-right: 1px solid var(--line);
  }
  .page-products .cat-rail-title { display: block; }
  .page-products .cat-rail-list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-products .cat-rail-list li + li { margin-top: 2px; }
  .page-products .cat-rail-list a {
    position: relative;
    display: flex;
    padding: 8px 0 8px 14px;
    border: 0;
    background: transparent;
    color: var(--mute);
  }
  .page-products .cat-rail-list a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 0;
    height: 1px;
    background: var(--volt);
    transition: width var(--dur) var(--ease);
  }
  .page-products .cat-rail-list a:hover::before,
  .page-products .cat-rail-list a:focus-visible::before { width: 9px; }
  .page-products .cat-rail-list a:hover,
  .page-products .cat-rail-list a:focus-visible {
    border-color: transparent;
    color: var(--volt);
  }
}

@media (min-width: 1180px) {
  .page-products .cat-entries { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-products .cat-entries > li:first-child { grid-column: span 2; }
  .page-products .cat-entry--key { padding-right: clamp(30px, 5vw, 64px); }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .cat-entry,
  .page-products .cat-rail-list a,
  .page-products .cat-rail-list a::before,
  .page-products .cat-audience li {
    transition: none;
  }
  .page-products .cat-entry:hover,
  .page-products .cat-entry:focus-within { transform: none; }
}
<<<END>>>