.page-products {
  --prod-gap: clamp(1.25rem, 2.6vw, 2.5rem);
  --prod-pad: clamp(1.1rem, 2vw, 1.8rem);
  --prod-radius: 18px 4px 18px 4px;
  --prod-rule: 1px solid var(--line);
}

/* ---------- Hero ---------- */
.page-products .prod-hero {
  padding: clamp(1.75rem, 4vw, 3rem) 0 clamp(2rem, 3.5vw, 3.25rem);
  background:
    radial-gradient(120% 80% at 8% 0%, rgba(95, 227, 207, .09), transparent 58%),
    radial-gradient(90% 70% at 96% 12%, rgba(255, 92, 41, .08), transparent 60%),
    var(--deep);
  border-top: var(--prod-rule);
}

.page-products .prod-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
  align-items: end;
}

.page-products .prod-hero__intro h1 {
  margin: .6rem 0 .9rem;
  font-family: var(--ff-head);
  font-size: clamp(1.75rem, 4.4vw, 3rem);
  line-height: 1.18;
  letter-spacing: .01em;
  color: var(--white);
}

.page-products .prod-hero__lead {
  max-width: 62ch;
  color: var(--steel);
  line-height: 1.8;
  font-size: clamp(.95rem, 1.6vw, 1.02rem);
}

.page-products .prod-hero__jump {
  border-left: var(--prod-rule);
  padding-left: var(--prod-pad);
}

.page-products .prod-hero__jump-title {
  font-family: var(--ff-head);
  font-size: .78rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin-bottom: .9rem;
}

.page-products .prod-jump-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}

.page-products .prod-jump-list__item a {
  display: grid;
  grid-template-columns: 2.4rem 1fr;
  grid-template-rows: auto auto;
  gap: 0 .7rem;
  align-items: baseline;
  padding: .58rem .5rem .58rem 0;
  border-bottom: var(--prod-rule);
  color: var(--white);
  text-decoration: none;
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-products .prod-jump-list__item a:hover,
.page-products .prod-jump-list__item a:focus-visible {
  transform: translateX(3px);
  border-color: var(--line-strong);
}

.page-products .prod-jump__idx {
  grid-row: 1 / span 2;
  font-family: var(--ff-mono);
  font-variant-numeric: tabular-nums;
  font-size: .9rem;
  color: var(--violet);
}

.page-products .prod-jump__label {
  font-weight: 700;
  font-size: .95rem;
}

.page-products .prod-jump__hint {
  grid-column: 2;
  font-size: .76rem;
  color: var(--violet);
}

.page-products .prod-scale {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  background: var(--line);
  border: var(--prod-rule);
  border-radius: var(--prod-radius);
  overflow: hidden;
}

.page-products .prod-scale__item {
  background: var(--ink);
  padding: .95rem 1rem;
}

.page-products .prod-scale__label {
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--violet);
  margin: 0 0 .3rem;
}

.page-products .prod-scale__value {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  font-weight: 700;
  color: var(--white);
  letter-spacing: .01em;
}

.page-products .prod-scale__item:last-child .prod-scale__value {
  color: var(--cyan);
}

/* ---------- 模块通用 ---------- */
.page-products .prod-module {
  padding-block: clamp(2.25rem, 5vw, 4rem);
  border-top: var(--prod-rule);
}

.page-products .prod-module__head {
  max-width: 68ch;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
}

.page-products .prod-module__head .section__title {
  margin: .45rem 0 .8rem;
}

.page-products .prod-module__head .section__lead {
  color: var(--steel);
  line-height: 1.85;
}

/* ---------- 非对称 5/7 ---------- */
.page-products .prod-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
}

.page-products .prod-split__left,
.page-products .prod-split__right {
  min-width: 0;
  display: grid;
  gap: var(--prod-gap);
  align-content: start;
}

.page-products .prod-block {
  border: var(--prod-rule);
  border-radius: var(--prod-radius);
  padding: var(--prod-pad);
  background: rgba(18, 58, 90, .28);
}

.page-products .prod-block__title {
  font-family: var(--ff-head);
  font-size: .82rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 .85rem;
}

.page-products .prod-block__note {
  margin: .85rem 0 0;
  font-size: .82rem;
  color: var(--violet);
  line-height: 1.7;
}

.page-products .prod-block__note--foot {
  margin-top: 0;
}

.page-products .prod-chiplist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-products .prod-chip {
  padding: .4rem .8rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: .84rem;
  color: var(--steel);
}

/* ---------- 定义列表 ---------- */
.page-products .prod-deflist {
  margin: 0;
  display: grid;
  gap: .1rem;
}

.page-products .prod-deflist__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .18rem;
  padding: .62rem 0;
  border-bottom: var(--prod-rule);
}

.page-products .prod-deflist__row dt {
  font-weight: 700;
  color: var(--white);
  font-size: .9rem;
}

.page-products .prod-deflist__row dd {
  margin: 0;
  font-size: .84rem;
  color: var(--steel);
  line-height: 1.65;
}

/* ---------- 字段清单 ---------- */
.page-products .prod-fields {
  margin: 0;
  display: grid;
}

.page-products .prod-fields__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .16rem;
  padding: .58rem 0;
  border-bottom: var(--prod-rule);
}

.page-products .prod-fields__row dt {
  font-family: var(--ff-mono);
  font-variant-numeric: tabular-nums;
  font-size: .86rem;
  color: var(--cyan);
}

.page-products .prod-fields__row dd {
  margin: 0;
  font-size: .84rem;
  color: var(--steel);
}

/* ---------- 折叠面板 ---------- */
.page-products .prod-collapse__label {
  font-size: .9rem;
  font-weight: 700;
  text-align: left;
  color: var(--white);
}

.page-products .prod-module .collapse__trigger {
  display: flex;
  align-items: center;
  gap: .7rem;
  width: 100%;
  padding: .7rem 0;
  border-bottom: var(--prod-rule);
}

.page-products .prod-module .collapse__sign {
  font-family: var(--ff-mono);
  color: var(--lava);
  font-size: 1rem;
}

.page-products .prod-module .collapse__panel {
  padding: .7rem 0 .9rem .2rem;
  border-bottom: var(--prod-rule);
}

.page-products .prod-module .collapse__panel p {
  margin: 0;
  font-size: .84rem;
  color: var(--steel);
  line-height: 1.7;
}

/* ---------- 号码编号列表 ---------- */
.page-products .prod-numlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-products .prod-numlist__item {
  display: grid;
  grid-template-columns: 3.6rem 1fr;
  gap: .9rem;
  padding: .9rem 0;
  border-bottom: var(--prod-rule);
}

.page-products .prod-numlist__idx {
  font-size: .88rem;
  font-weight: 700;
  color: var(--lava);
  letter-spacing: .02em;
}

.page-products .prod-numlist__title {
  margin: 0 0 .22rem;
  font-size: .9rem;
  font-weight: 700;
  color: var(--white);
}

.page-products .prod-numlist__desc {
  margin: 0;
  font-size: .83rem;
  color: var(--steel);
  line-height: 1.65;
}

/* ---------- 定位球指标表 ---------- */
.page-products .prod-metrics {
  margin: 0;
  display: grid;
  border-top: var(--prod-rule);
}

.page-products .prod-metrics__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .28rem 1.4rem;
  padding: .85rem 0;
  border-bottom: var(--prod-rule);
  transition: background-color .25s var(--ease);
}

.page-products .prod-metrics__row:hover {
  background: rgba(138, 138, 166, .08);
}

.page-products .prod-metrics__row dt {
  display: flex;
  align-items: baseline;
  gap: .7rem;
}

.page-products .prod-metrics__idx {
  font-size: .78rem;
  color: var(--violet-deep);
  font-weight: 700;
}

.page-products .prod-metrics__name {
  font-weight: 700;
  color: var(--white);
  font-size: .92rem;
}

.page-products .prod-metrics__row dd {
  margin: 0;
  font-size: .84rem;
  color: var(--steel);
  line-height: 1.65;
}

.page-products .prod-metrics__hint {
  margin: 1.4rem 0 0;
  padding: .9rem 1rem;
  border-left: 2px solid var(--lava);
  background: rgba(255, 92, 41, .07);
  font-size: .84rem;
  color: var(--steel);
  line-height: 1.7;
}

/* ---------- 曲线 ---------- */
.page-products .prod-curve {
  display: grid;
  gap: var(--prod-gap);
}

.page-products .prod-curve__legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .8rem 1.4rem;
  font-size: .82rem;
  color: var(--steel);
}

.page-products .prod-curve__legend-item {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
}

.page-products .prod-curve__dot {
  width: .7rem;
  height: .7rem;
  border-radius: 999px;
  display: inline-block;
}

.page-products .prod-curve__legend-item--cyan .prod-curve__dot {
  background: var(--cyan);
}

.page-products .prod-curve__legend-item--lava .prod-curve__dot {
  background: var(--lava);
}

.page-products .prod-curve__legend-note {
  font-size: .76rem;
}

.page-products .prod-curve__canvas {
  border: var(--prod-rule);
  border-radius: var(--prod-radius);
  padding: var(--prod-pad);
  background: rgba(7, 18, 31, .6);
}

.page-products .prod-curve__chart {
  display: block;
  width: 100%;
  height: auto;
}

.page-products .prod-curve__steps {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: .6rem .8rem;
}

.page-products .prod-curve__steps li {
  display: grid;
  gap: .12rem;
  padding-top: .5rem;
  border-top: 1px solid var(--line);
}

.page-products .prod-curve__steps .u-mono {
  font-size: .86rem;
  font-weight: 700;
  color: var(--cyan);
}

.page-products .prod-curve__step-note {
  font-size: .76rem;
  color: var(--violet);
}

.page-products .prod-curve__notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
}

.page-products .prod-curve__note {
  padding: var(--prod-pad);
  border: var(--prod-rule);
  border-radius: var(--prod-radius);
  background: rgba(18, 58, 90, .24);
}

.page-products .prod-curve__note-title {
  font-family: var(--ff-head);
  font-size: .86rem;
  letter-spacing: .12em;
  color: var(--lava);
  margin: 0 0 .5rem;
}

.page-products .prod-curve__note p {
  margin: 0;
  font-size: .84rem;
  color: var(--steel);
  line-height: 1.7;
}

/* ---------- 三种典型用法 ---------- */
.page-products .prod-tasks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--prod-gap);
  counter-reset: prod-task;
}

.page-products .prod-task {
  position: relative;
  padding: var(--prod-pad);
  border: var(--prod-rule);
  border-top: 2px solid var(--cyan);
  border-radius: var(--prod-radius);
  background: rgba(10, 27, 46, .55);
}

.page-products .prod-task__idx {
  display: block;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--lava);
  margin-bottom: .5rem;
}

.page-products .prod-task__title {
  font-family: var(--ff-head);
  font-size: 1.02rem;
  color: var(--white);
  margin: 0 0 .6rem;
  line-height: 1.4;
}

.page-products .prod-task__desc {
  margin: 0 0 .9rem;
  font-size: .85rem;
  color: var(--steel);
  line-height: 1.72;
}

.page-products .prod-task__meta {
  margin: 0;
  padding-top: .7rem;
  border-top: var(--prod-rule);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--cyan);
}

/* ---------- 校验与更新 ---------- */
.page-products .prod-steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--line);
  border: var(--prod-rule);
  border-radius: var(--prod-radius);
  overflow: hidden;
}

.page-products .prod-steps__item {
  background: var(--ink);
  padding: 1rem;
}

.page-products .prod-steps__num {
  display: block;
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--cyan);
  margin-bottom: .35rem;
}

.page-products .prod-steps__text {
  margin: 0;
  font-size: .8rem;
  color: var(--steel);
  line-height: 1.6;
}

.page-products .prod-cta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

/* ---------- 图片 ---------- */
.page-products .prod-figure {
  margin: 0;
}

.page-products .prod-figure--break {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-products .prod-scale {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-products .prod-deflist__row,
  .page-products .prod-fields__row {
    grid-template-columns: minmax(6.5rem, 9rem) 1fr;
    align-items: baseline;
  }
  .page-products .prod-metrics__row {
    grid-template-columns: minmax(11rem, 15rem) 1fr;
    align-items: baseline;
  }
  .page-products .prod-curve__steps {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-products .prod-curve__notes {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .prod-tasks {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: 7fr 5fr;
  }
  .page-products .prod-scale {
    grid-template-columns: repeat(5, 1fr);
  }
  .page-products .prod-split {
    grid-template-columns: 5fr 7fr;
  }
  .page-products .prod-split--reverse {
    grid-template-columns: 5fr 7fr;
  }
  .page-products .prod-split--reverse .prod-split__left {
    order: 1;
  }
  .page-products .prod-split--reverse .prod-split__right {
    order: 2;
  }
  .page-products .prod-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-products .prod-metrics {
    grid-template-columns: repeat(2, 1fr);
    column-gap: var(--prod-gap);
  }
  .page-products .prod-metrics__row {
    grid-template-columns: 1fr;
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-products .prod-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}
<<<END>>>