.page-products {
  --prod-tile-bg: linear-gradient(180deg, rgba(13, 44, 68, .55), rgba(6, 24, 38, .32));
  --prod-panel-edge: var(--line-gold-soft);
  --prod-dot-gold: var(--c-gold);
  background: var(--c-abyss);
  color: var(--ink-1);
  font-family: var(--font-body);
  font-size: var(--step-body);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ===== 面包屑微调 ===== */
.page-products .breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  letter-spacing: .08em;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

/* ===== 首屏 ===== */
.page-products .prod-hero {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(3rem, 7vw, 6rem);
  background:
    radial-gradient(ellipse 70% 55% at 85% 5%, rgba(200, 162, 74, .16), transparent 65%),
    radial-gradient(ellipse 60% 50% at 5% 95%, rgba(60, 198, 180, .07), transparent 60%),
    var(--c-abyss);
}

.page-products .prod-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-gold), transparent);
}

.page-products .prod-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.5rem);
  margin-top: clamp(1rem, 2.5vw, 1.75rem);
}

.page-products .prod-hero__copy h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-hero);
  line-height: 1.16;
  letter-spacing: -0.012em;
  margin: .5rem 0 1.1rem;
  max-width: 22ch;
  color: var(--ink-1);
}

.page-products .prod-hero__lede {
  max-width: 48ch;
  margin: 0 0 1.75rem;
  color: var(--ink-2);
}

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

.page-products .prod-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .75rem;
  margin: 1.9rem 0 0;
  padding-top: 1.35rem;
  border-top: 1px solid var(--line-faint);
}

.page-products .prod-hero__stats dt {
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  letter-spacing: .05em;
  color: var(--ink-3);
}

.page-products .prod-hero__stats dd {
  margin: .2rem 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 2.2vw, 1.4rem);
  color: var(--c-gold-bright);
}

.page-products .prod-hero__visual {
  margin: 0;
}

.page-products .prod-hero__visual .media-caption {
  margin-top: .75rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .03em;
  color: var(--ink-3);
  line-height: 1.6;
}

.page-products .prod-screen {
  position: relative;
  padding: .5rem;
  border: 1px solid var(--line-gold);
  border-radius: var(--radius);
  background: var(--c-navy);
  box-shadow: var(--shadow-panel);
}

.page-products .prod-screen img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.page-products .prod-screen__glow {
  position: absolute;
  inset: -18% -8% auto auto;
  width: 55%;
  height: 55%;
  background: radial-gradient(circle, rgba(200, 162, 74, .24), transparent 68%);
  pointer-events: none;
}

.page-products .prod-screen__tag {
  position: absolute;
  padding: .22rem .55rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--c-gold-bright);
  background: rgba(6, 24, 38, .92);
  border: 1px solid var(--line-gold);
  border-radius: 2px;
  white-space: nowrap;
  transition: border-color .22s var(--ease), color .22s var(--ease);
}

.page-products .prod-screen__tag:hover {
  border-color: var(--c-gold-bright);
  color: var(--c-mist);
}

.page-products .prod-screen__tag--a { top: 11%; left: 4%; }
.page-products .prod-screen__tag--b { top: 44%; left: 38%; }
.page-products .prod-screen__tag--c { bottom: 13%; right: 5%; }

/* ===== 六大分区 ===== */
.page-products .prod-zones {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background: linear-gradient(180deg, var(--c-abyss), #071d2e 55%, var(--c-abyss));
}

.page-products .prod-zones__grid {
  list-style: none;
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-products .prod-zone {
  position: relative;
  padding: 1.5rem 0;
  border-top: 1px solid var(--prod-panel-edge);
}

.page-products .prod-zone:first-child {
  border-top: none;
  padding-top: 0;
}

.page-products .prod-zone__idx {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  letter-spacing: .12em;
  color: var(--c-gold);
  margin-bottom: .45rem;
}

.page-products .prod-zone h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-h3);
  margin: 0 0 .5rem;
  color: var(--ink-1);
}

.page-products .prod-zone p {
  margin: 0;
  color: var(--ink-2);
}

/* ===== 设备适配 ===== */
.page-products .prod-devices {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background:
    radial-gradient(ellipse 80% 50% at 90% 18%, rgba(43, 36, 72, .5), transparent 65%),
    radial-gradient(ellipse 60% 40% at 5% 85%, rgba(60, 198, 180, .06), transparent 60%),
    var(--c-abyss);
}

.page-products .prod-devices__matrix {
  display: grid;
  gap: 1rem;
  margin-top: clamp(2rem, 4vw, 2.75rem);
}

.page-products .prod-device {
  position: relative;
  padding: 1.4rem 1.25rem 1.5rem;
  border: 1px solid var(--prod-panel-edge);
  border-radius: var(--radius);
  background: var(--prod-tile-bg);
}

.page-products .prod-device::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 2px;
  background: var(--c-gold);
}

.page-products .prod-device h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-h3);
  margin: 0 0 .3rem;
  color: var(--ink-1);
}

.page-products .prod-device__param {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: var(--step-mono);
  letter-spacing: .05em;
  color: var(--c-gold-bright);
}

.page-products .prod-device p:not(.prod-device__param) {
  margin: 0 0 1rem;
  color: var(--ink-2);
}

.page-products .prod-device .tag--teal {
  display: inline-block;
}

.page-products .prod-devices__mockups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: clamp(1.5rem, 3vw, 2rem);
}

.page-products .prod-devices__mockups figure {
  margin: 0;
  padding: .5rem;
  border: 1px solid var(--prod-panel-edge);
  border-radius: var(--radius);
  background: var(--c-navy);
}

.page-products .prod-devices__mockups img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.page-products .prod-devices__mockups figcaption {
  padding: .55rem .25rem 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .03em;
  color: var(--ink-3);
  line-height: 1.6;
}

/* ===== 使用工具 ===== */
.page-products .prod-tools {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background: var(--c-abyss);
  border-top: 1px solid var(--prod-panel-edge);
  border-bottom: 1px solid var(--prod-panel-edge);
}

.page-products .prod-tools__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.5rem);
  margin-top: clamp(2rem, 4vw, 2.75rem);
}

.page-products .prod-tools__figure {
  margin: 0;
  padding: .5rem;
  border: 1px solid var(--prod-panel-edge);
  border-radius: var(--radius);
  background: var(--c-navy);
}

.page-products .prod-tools__figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.page-products .prod-tools__figure figcaption {
  padding: .6rem .35rem 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .03em;
  color: var(--ink-3);
  line-height: 1.6;
}

.page-products .prod-tools__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: prod-tool;
}

.page-products .prod-tools__list li {
  position: relative;
  padding: 1rem 0 1rem 2.4rem;
  border-bottom: 1px dashed var(--line-faint);
}

.page-products .prod-tools__list li:first-child {
  padding-top: .35rem;
}

.page-products .prod-tools__list li:first-child::before {
  top: .35rem;
}

.page-products .prod-tools__list li:last-child {
  border-bottom: none;
}

.page-products .prod-tools__list li::before {
  counter-increment: prod-tool;
  content: counter(prod-tool, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1rem;
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .08em;
  color: var(--c-gold);
}

.page-products .prod-tools__list h3 {
  margin: 0 0 .25rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink-1);
}

.page-products .prod-tools__list p {
  margin: 0;
  font-size: .94rem;
  color: var(--ink-2);
}

/* ===== 正式版与测试版 ===== */
.page-products .prod-compare {
  padding: clamp(3rem, 6vw, 5rem) 0;
  background:
    radial-gradient(ellipse 70% 50% at 12% 12%, rgba(74, 31, 43, .48), transparent 62%),
    var(--c-abyss);
}

.page-products .prod-compare__stage {
  margin-top: clamp(2rem, 4vw, 2.75rem);
}

.page-products .prod-compare__visual {
  margin: 0;
  padding: .5rem;
  border: 1px solid var(--prod-panel-edge);
  border-radius: var(--radius);
  background: var(--c-navy);
}

.page-products .prod-compare__visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

.page-products .prod-compare__visual figcaption {
  padding: .55rem .25rem 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .03em;
  color: var(--ink-3);
  line-height: 1.6;
}

.page-products .prod-compare__panels {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.page-products .prod-compare__card {
  position: relative;
  padding: 1.4rem 1.25rem;
  border: 1px solid var(--prod-panel-edge);
  border-radius: var(--radius);
  background: var(--prod-tile-bg);
}

.page-products .prod-compare__card--test {
  border-color: rgba(60, 198, 180, .34);
}

.page-products .prod-compare__card--test::before {
  content: "TEST";
  position: absolute;
  top: -1px;
  right: 1rem;
  padding: .18rem .5rem;
  font-family: var(--font-mono);
  font-size: .66rem;
  letter-spacing: .14em;
  color: var(--c-abyss);
  background: var(--c-teal);
  border-radius: 0 0 2px 2px;
}

.page-products .prod-compare__card h3 {
  margin: 0 0 .75rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--step-h3);
  color: var(--ink-1);
}

.page-products .prod-compare__card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-products .prod-compare__card li {
  position: relative;
  padding: .55rem 0 .55rem 1.15rem;
  border-bottom: 1px dashed var(--line-faint);
  color: var(--ink-2);
  font-size: .95rem;
}

.page-products .prod-compare__card li:last-child {
  border-bottom: none;
}

.page-products .prod-compare__card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.15rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--prod-dot-gold);
}

.page-products .prod-compare__card--test li::before {
  background: var(--c-teal);
}

.page-products .prod-compare__note {
  margin: 1.35rem 0 0;
  font-size: .9rem;
  color: var(--ink-3);
}

.page-products .prod-compare__note a {
  color: var(--c-gold-bright);
  text-decoration: underline;
  text-underline-offset: .22em;
}

/* ===== 查看与回访流程 ===== */
.page-products .prod-flow {
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(3.5rem, 7vw, 5.5rem);
  background: linear-gradient(180deg, var(--c-abyss) 15%, #0a2338 100%);
}

.page-products .prod-flow__steps {
  list-style: none;
  margin: clamp(2rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
  counter-reset: prod-step;
}

.page-products .prod-flow__steps li {
  position: relative;
  padding: 1.5rem 1.15rem 1.5rem 3.6rem;
  border: 1px solid var(--prod-panel-edge);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(13, 44, 68, .5), rgba(6, 24, 38, .25));
}

.page-products .prod-flow__steps li::before {
  counter-increment: prod-step;
  content: counter(prod-step);
  position: absolute;
  left: 1rem;
  top: 1.35rem;
  width: 2rem;
  height: 2rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: .9rem;
  color: var(--c-gold-bright);
  background: rgba(6, 24, 38, .92);
  border: 1px solid var(--c-gold);
  border-radius: 50%;
}

.page-products .prod-flow__steps h3 {
  margin: 0 0 .35rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.08rem;
  color: var(--ink-1);
}

.page-products .prod-flow__steps p {
  margin: 0;
  font-size: .94rem;
  color: var(--ink-2);
}

.page-products .prod-flow__end {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 2rem;
  align-items: center;
}

/* ===== 断点 ===== */
@media (min-width: 620px) {
  .page-products .prod-hero__actions .btn {
    min-width: 10.5rem;
  }
  .page-products .prod-devices__mockups {
    gap: 1.5rem;
  }
}

@media (min-width: 760px) {
  .page-products .prod-zones__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    background: var(--prod-panel-edge);
    border: 1px solid var(--prod-panel-edge);
  }

  .page-products .prod-zone {
    padding: 1.85rem 1.6rem;
    border-top: none;
    background: var(--c-abyss);
  }

  .page-products .prod-zone:first-child {
    padding-top: 1.85rem;
  }

  .page-products .prod-devices__matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-products .prod-compare__panels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-products .prod-tools__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.75rem;
  }

  .page-products .prod-tools__list li:nth-child(2) {
    padding-top: 1rem;
  }

  .page-products .prod-tools__list li:nth-child(2)::before {
    top: 1rem;
  }
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: center;
  }

  .page-products .prod-tools__grid {
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-products .prod-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.1rem;
  }

  .page-products .prod-flow__steps li {
    padding: 4.1rem 1.15rem 1.5rem;
  }

  .page-products .prod-flow__steps li::before {
    top: 1.15rem;
    left: 1.15rem;
    width: 2.2rem;
    height: 2.2rem;
  }

  .page-products .prod-flow__steps li:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 2.25rem;
    left: 3.6rem;
    right: -1.1rem;
    border-top: 1px dashed rgba(200, 162, 74, .48);
    pointer-events: none;
  }
}

@media (min-width: 1180px) {
  .page-products .prod-hero__copy h1 {
    max-width: 20ch;
  }

  .page-products .prod-devices__mockups {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    max-width: 760px;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-screen__tag {
    transition: none;
  }
}
<<<END>>>