.page-products {
  --prod-side-w: 268px;
  --prod-gap: clamp(14px, 1.4vw, 20px);
  --prod-pad: clamp(16px, 1.8vw, 24px);
  padding-block-end: clamp(84px, 10vw, 112px);
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding-block: clamp(22px, 3.4vw, 44px) clamp(34px, 5vw, 64px);
}

.page-products .prod-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 44px);
  margin-top: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-products .prod-hero__lead > * + * {
  margin-top: 16px;
}

.page-products .prod-hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 6px;
}

.page-products .prod-hero__figure {
  margin: 0;
  border: 1px solid var(--line-copper);
  border-radius: 2px;
  background: var(--ink-850);
  overflow: hidden;
}

.page-products .prod-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-hero__figure .media__caption {
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-stats {
  list-style: none;
  margin: clamp(26px, 4vw, 46px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line-copper);
  border: 1px solid var(--line-copper);
  border-radius: 2px;
}

.page-products .prod-stats > li {
  background: var(--ink-850);
  padding: 16px 18px;
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-products .prod-stats__num {
  font-family: var(--font-mono);
  font-size: clamp(1.55rem, 3.2vw, 2.15rem);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.08;
  color: var(--copper);
}

.page-products .prod-stats__label {
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--muted);
}

/* ---------- 区块通用头部 ---------- */
.page-products .prod-head {
  display: grid;
  gap: 10px;
  max-width: 64ch;
  margin-bottom: clamp(24px, 3.2vw, 42px);
}

/* ---------- 筛选与型号卡 ---------- */
.page-products .prod-tool {
  padding-block: clamp(36px, 5vw, 68px);
}

.page-products .prod-tool__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.6vw, 32px);
}

.page-products .prod-side {
  min-width: 0;
}

.page-products .prod-filter {
  padding: var(--prod-pad);
  border: 1px solid var(--line-copper);
  border-radius: 2px;
  display: grid;
  gap: 14px;
}

.page-products .prod-bands {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-products .band-btn {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--line-copper);
  border-radius: 2px;
  background: var(--glass);
  color: var(--muted);
  font: inherit;
  font-size: 13.5px;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.page-products .band-btn:hover {
  border-color: var(--cinnabar-hi);
  color: var(--paper);
}

.page-products .band-btn[aria-pressed="true"] {
  background: var(--cinnabar);
  border-color: var(--cinnabar-hi);
  color: #fff;
}

.page-products .band-btn__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .02em;
  color: var(--copper);
}

.page-products .band-btn[aria-pressed="true"] .band-btn__num {
  color: rgba(255, 255, 255, .85);
}

.page-products .prod-filter__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .prod-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
  min-width: 0;
}

.page-products .model-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: var(--prod-pad);
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--line-copper);
  border-radius: 2px;
  min-width: 0;
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-products .model-card:hover {
  border-color: var(--line-copper-strong);
  border-top-color: var(--cinnabar);
}

.page-products .model-card__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-products .model-card__name {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-products .model-card__series {
  flex: 0 0 auto;
  padding: 3px 8px;
  border: 1px solid var(--line-copper);
  border-radius: 2px;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--copper);
}

.page-products .model-card__power {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 2.3rem);
  font-weight: 900;
  letter-spacing: .02em;
  line-height: 1;
  color: var(--paper);
}

.page-products .model-card__specs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: 13.5px;
  line-height: 1.6;
}

.page-products .model-card__specs li {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-soft);
}

.page-products .model-card__specs li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .model-card__specs span {
  color: var(--muted);
  letter-spacing: .04em;
}

.page-products .model-card__specs b {
  color: var(--paper);
  font-weight: 500;
}

.page-products .model-card__pick {
  margin-top: auto;
  padding: 9px 12px;
  border: 1px solid var(--line-copper);
  border-radius: 2px;
  background: transparent;
  color: var(--copper);
  font: inherit;
  font-size: 13px;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.page-products .model-card__pick:hover {
  border-color: var(--cinnabar-hi);
  color: var(--cinnabar-hi);
}

.page-products .model-card__pick[aria-pressed="true"] {
  background: var(--jade);
  border-color: var(--jade);
  color: var(--ink-900);
}

/* ---------- 参数卡说明 ---------- */
.page-products .prod-anatomy {
  padding-block: clamp(40px, 5.5vw, 76px);
}

.page-products .prod-anatomy__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 44px);
  align-items: start;
}

.page-products .prod-anatomy__figure {
  margin: 0;
  border: 1px solid var(--line-copper);
  border-radius: 2px;
  background: var(--ink-850);
  overflow: hidden;
}

.page-products .prod-anatomy__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-anatomy__figure .media__caption {
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-anatomy__body > * + * {
  margin-top: 14px;
}

.page-products .prod-fields {
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-copper);
  border: 1px solid var(--line-copper);
  border-radius: 2px;
}

.page-products .prod-fields__row {
  background: var(--ink-850);
  padding: 14px 16px;
  display: grid;
  gap: 5px;
}

.page-products .prod-fields dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--copper);
}

.page-products .prod-fields dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 批量采购 ---------- */
.page-products .prod-order {
  padding-block: clamp(40px, 5.5vw, 76px);
  color: var(--warm-text);
}

.page-products .prod-order .section-title,
.page-products .prod-order h3 {
  color: var(--warm-ink);
}

.page-products .prod-order .prose {
  color: var(--warm-text);
}

.page-products .prod-order__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 36px);
  align-items: start;
}

.page-products .prod-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-products .prod-flow__step {
  position: relative;
  display: grid;
  gap: 5px;
  padding: 15px 18px;
  background: #fff;
  border: 1px solid rgba(22, 35, 63, .14);
  border-left: 3px solid var(--jade);
  border-radius: 2px;
}

.page-products .prod-flow__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--copper);
}

.page-products .prod-flow__title {
  font-size: 15px;
  font-weight: 600;
  color: var(--warm-ink);
}

.page-products .prod-flow__desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--warm-text);
}

.page-products .prod-flow__arrow {
  display: none;
  position: absolute;
  right: -17px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--copper);
}

.page-products .prod-order__media {
  margin-top: clamp(20px, 2.6vw, 30px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
}

.page-products .prod-order__media figure {
  margin: 0;
  border: 1px solid rgba(22, 35, 63, .14);
  border-radius: 2px;
  overflow: hidden;
  background: #fff;
}

.page-products .prod-order__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-order__media .media__caption {
  padding: 11px 14px 13px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--warm-text);
  border-top: 1px solid rgba(22, 35, 63, .12);
}

.page-products .prod-order__card {
  padding: var(--prod-pad);
  background: var(--ink-800);
  border: 1px solid var(--line-copper);
  border-radius: 2px;
  display: grid;
  gap: 10px;
}

.page-products .prod-order__card .index-label {
  color: var(--copper);
}

.page-products .prod-order__big {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 6vw, 3.4rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: .02em;
  color: var(--cinnabar-hi);
}

.page-products .prod-order__sub {
  margin: 0;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--muted);
}

.page-products .prod-order__list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--paper);
}

.page-products .prod-order__list li {
  padding-left: 14px;
  position: relative;
}

.page-products .prod-order__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--jade);
  border-radius: 1px;
}

.page-products .prod-order__card .btn {
  margin-top: 6px;
}

.page-products .prod-order__hint {
  margin: 12px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--warm-text);
  opacity: .85;
}

/* ---------- 客户端 ---------- */
.page-products .prod-clients {
  padding-block: clamp(40px, 5.5vw, 76px);
}

.page-products .prod-clients__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 2.8vw, 32px);
  align-items: start;
}

.page-products .prod-clients__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
}

.page-products .prod-client {
  padding: var(--prod-pad);
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--copper);
  border-radius: 2px;
  display: grid;
  gap: 10px;
  transition: border-left-color var(--t-fast), background var(--t-fast);
}

.page-products .prod-client:hover {
  border-left-color: var(--cinnabar);
  background: var(--ink-750);
}

.page-products .prod-client h3 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--paper);
}

.page-products .prod-client p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-products .prod-client__list {
  list-style: none;
  margin: 2px 0 0;
  padding: 0;
  display: grid;
  gap: 7px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--paper);
}

.page-products .prod-client__list li {
  padding-left: 14px;
  position: relative;
}

.page-products .prod-client__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .6em;
  width: 6px;
  height: 1px;
  background: var(--copper);
}

.page-products .prod-clients__figure {
  margin: 0;
  border: 1px solid var(--line-copper);
  border-radius: 2px;
  background: var(--ink-850);
  overflow: hidden;
}

.page-products .prod-clients__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-products .prod-clients__figure .media__caption {
  padding: 12px 16px 14px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.page-products .prod-clients__cta {
  margin-top: clamp(22px, 3vw, 34px);
  padding: var(--prod-pad);
  background: var(--glass);
  border: 1px solid var(--line-copper);
  border-radius: 2px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
}

.page-products .prod-clients__cta p {
  flex: 1 1 260px;
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 选型场景 ---------- */
.page-products .prod-scenes {
  padding-block: clamp(40px, 5.5vw, 76px);
}

.page-products .prod-scenes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
}

.page-products .scene-card {
  padding: var(--prod-pad);
  background: var(--ink-850);
  border: 1px solid var(--line-soft);
  border-top: 2px solid var(--line-copper);
  border-radius: 2px;
  display: grid;
  gap: 10px;
  transition: border-top-color var(--t-fast);
}

.page-products .scene-card--hot {
  background: var(--ink-800);
  border-top-color: var(--cinnabar);
}

.page-products .scene-card:hover {
  border-top-color: var(--cinnabar-hi);
}

.page-products .scene-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--copper);
}

.page-products .scene-card h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--paper);
}

.page-products .scene-card__range {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--jade);
}

.page-products .scene-card > p:not(.scene-card__num):not(.scene-card__range):not(.scene-card__tip) {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-products .scene-card__tip {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper);
}

.page-products .scene-card__tip::before {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 8px;
  background: var(--copper);
  vertical-align: 1px;
}

.page-products .prod-scenes__net {
  margin-top: clamp(24px, 3.4vw, 44px);
  padding: var(--prod-pad);
  background: var(--glass);
  border-left: 3px solid var(--jade);
  border-radius: 2px;
  display: grid;
  gap: 12px;
  justify-items: start;
}

.page-products .prod-scenes__net .prose {
  max-width: 68ch;
}

/* ---------- 答疑 ---------- */
.page-products .prod-faq {
  padding-block: clamp(40px, 5.5vw, 76px);
}

.page-products .prod-faq__list {
  display: grid;
  gap: 10px;
}

.page-products .prod-faq__support {
  margin-top: clamp(24px, 3.2vw, 38px);
  padding: var(--prod-pad);
  background: var(--glass);
  border: 1px solid var(--line-copper);
  border-radius: 2px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.page-products .prod-faq__support > div:first-child {
  flex: 1 1 280px;
  display: grid;
  gap: 8px;
}

.page-products .prod-faq__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-products .prod-faq__legal {
  margin: 18px 0 0;
  font-size: 12.5px;
  color: var(--muted);
}

.page-products .prod-faq__legal a {
  color: var(--copper);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 底部型号速查条 ---------- */
.page-products .prod-quickbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  background: var(--glass-strong);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line-copper);
}

.page-products .prod-quickbar__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 54px;
  padding-block: 9px;
}

.page-products .prod-quickbar__label {
  display: none;
  flex: 0 0 auto;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--copper);
}

.page-products .prod-quickbar__track {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 3px;
  scrollbar-width: thin;
}

.page-products .prod-quickbar__track a {
  flex: 0 0 auto;
  padding: 6px 10px;
  border: 1px solid var(--line-copper);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--paper);
  text-decoration: none;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.page-products .prod-quickbar__track a:hover {
  background: var(--cinnabar);
  border-color: var(--cinnabar-hi);
  color: #fff;
}

.page-products .prod-quickbar__cta {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--cinnabar-hi);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-products .prod-quickbar__cta:hover {
  color: var(--copper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-products .prod-cards,
  .page-products .prod-clients__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-products .prod-quickbar__label {
    display: block;
  }
}

@media (min-width: 760px) {
  .page-products .prod-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-products .prod-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
  }

  .page-products .prod-flow__arrow {
    display: block;
  }

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

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-products .prod-anatomy__grid {
    grid-template-columns: 4fr 6fr;
    align-items: center;
  }

  .page-products .prod-clients__layout {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-products .prod-clients__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (min-width: 1024px) {
  .page-products .prod-tool__layout {
    grid-template-columns: var(--prod-side-w) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-products .prod-side {
    position: sticky;
    top: 118px;
  }

  .page-products .prod-bands {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-products .band-btn {
    width: 100%;
    justify-content: space-between;
  }

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

  .page-products .prod-order__layout {
    grid-template-columns: 7fr 3fr;
    gap: 32px;
  }

  .page-products .prod-quickbar {
    left: var(--rail-w);
  }

  .page-products .prod-clients__layout {
    grid-template-columns: 6fr 6fr;
  }

  .page-products .prod-clients__cta {
    flex-wrap: nowrap;
  }
}

@media (min-width: 1280px) {
  .page-products .prod-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .page-products .prod-model-card__specs li,
  .page-products .model-card__specs li {
    grid-template-columns: 66px minmax(0, 1fr);
  }

  .page-products .prod-quickbar__cta {
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .band-btn,
  .page-products .model-card,
  .page-products .model-card__pick,
  .page-products .prod-client,
  .page-products .scene-card,
  .page-products .prod-quickbar__track a {
    transition: none;
  }
}
<<<END>>>