.page-products {
  --prod-line: rgba(90, 122, 147, 0.35);
  --prod-line-soft: rgba(90, 122, 147, 0.18);
  --prod-sticky-col: 150px;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  padding-top: clamp(22px, 4vw, 44px);
}

.page-products .prod-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 48px);
  margin-top: clamp(20px, 3vw, 36px);
}

.page-products .prod-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.1;
  font-size: clamp(30px, 6.4vw, 62px);
  margin: 12px 0 18px;
  color: var(--white);
  max-width: 18ch;
}

.page-products .prod-hero__lede {
  max-width: 58ch;
}

.page-products .prod-hero__actions {
  margin-top: 24px;
  gap: 12px;
}

.page-products .prod-hero__hint {
  margin-top: 18px;
  font-size: 14px;
  color: var(--mute);
  line-height: 1.85;
}

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

.page-products .prod-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-products .prod-hero__frame {
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-products .prod-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.page-products .prod-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 10px;
  border-radius: var(--r-md);
  background: var(--steel);
  border: 1px solid var(--prod-line-soft);
  font-size: 12px;
  line-height: 1.5;
  color: var(--mute);
}

.page-products .prod-hero__facts .num {
  font-family: var(--font-mono);
  font-size: clamp(20px, 4vw, 28px);
  font-weight: 700;
  color: var(--orange);
  letter-spacing: -0.02em;
}

/* ---------- 版本提示带 ---------- */
.page-products .section--band {
  padding-block: 0;
}

.page-products .band__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding-block: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-mute);
}

.page-products .band__inner a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-products .dot-hot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orange);
  margin: 0 2px;
  vertical-align: middle;
}

/* ---------- 索引条 ---------- */
.page-products .rail-bar {
  position: sticky;
  top: var(--bar-h);
  z-index: 5;
  background: rgba(11, 27, 43, 0.92);
  backdrop-filter: blur(8px);
  border-block: 1px solid var(--prod-line-soft);
}

.page-products .rail-bar__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-block: 10px;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-products .rail-bar__inner::-webkit-scrollbar {
  display: none;
}

.page-products .rail-bar__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--celadon);
  flex: none;
}

.page-products .rail-bar__list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.page-products .rail__link {
  display: inline-block;
  white-space: nowrap;
  padding: 6px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--prod-line);
  font-size: 12.5px;
  color: var(--mute);
  text-decoration: none;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.page-products .rail__link:hover,
.page-products .rail__link.is-active {
  color: var(--ink);
  background: var(--celadon-soft);
  border-color: var(--celadon);
}

/* ---------- 章节头部微调 ---------- */
.page-products .prod-intro {
  max-width: 66ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .prod-intro--paper {
  color: var(--paper-mute);
}

.page-products .sec-head--paper .sec-head__title {
  color: var(--paper-ink);
}

.page-products .sec-head--paper .sec-head__index {
  color: var(--orange-deep);
}

/* ---------- 系列卡 ---------- */
.page-products .prod-series-grid {
  gap: clamp(14px, 2vw, 22px);
}

.page-products .prod-series {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 18px;
  border-radius: var(--r-md);
  background: var(--steel);
  border: 1px solid var(--prod-line-soft);
  border-top: 3px solid var(--celadon);
}

.page-products .prod-series:nth-child(2) {
  border-top-color: var(--orange);
}

.page-products .prod-series .card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-products .prod-series .card__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mute);
}

.page-products .prod-series__spec {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--prod-line);
  display: grid;
  gap: 6px;
  font-size: 13px;
}

.page-products .prod-series__spec > div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.page-products .prod-series__spec dt {
  color: var(--mute);
}

.page-products .prod-series__spec dd {
  margin: 0;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 12.5px;
}

/* ---------- 工况筛选 ---------- */
.page-products .prod-scene {
  gap: clamp(22px, 3vw, 44px);
  align-items: start;
}

.page-products .prod-scene__title {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--white);
  margin: 0 0 14px;
  padding-left: 12px;
  border-left: 3px solid var(--orange);
}

.page-products .prod-scene__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .prod-scene__list li {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mute);
  padding-left: 18px;
  position: relative;
}

.page-products .prod-scene__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--celadon);
}

.page-products .prod-scene__list b {
  color: var(--white);
  font-weight: 600;
}

/* ---------- 参数表 ---------- */
.page-products .prod-meter {
  margin-bottom: 16px;
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-products .scroll-hint {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--celadon);
  margin-bottom: 8px;
}

.page-products .table-wrap {
  overflow-x: auto;
  border: 1px solid var(--prod-line);
  border-radius: var(--r-md);
  background: var(--ink);
  -webkit-overflow-scrolling: touch;
}

.page-products .table-wrap:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-products .prod-table {
  min-width: 940px;
  border-collapse: collapse;
  font-size: 13.5px;
}

.page-products .prod-table caption {
  caption-side: top;
  text-align: left;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--celadon-soft);
  letter-spacing: 0.04em;
}

.page-products .prod-table th,
.page-products .prod-table td {
  padding: 11px 14px;
  text-align: left;
  border-bottom: 1px solid var(--prod-line-soft);
  white-space: nowrap;
  color: var(--mute);
}

.page-products .prod-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--black);
  color: var(--white);
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--prod-line);
}

.page-products .prod-table tbody th {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--steel);
  color: var(--white);
  font-weight: 600;
  min-width: var(--prod-sticky-col);
  border-right: 1px solid var(--prod-line);
}

.page-products .prod-table thead th:first-child {
  left: 0;
  z-index: 3;
  min-width: var(--prod-sticky-col);
  border-right: 1px solid var(--prod-line);
}

.page-products .prod-table tbody tr:nth-child(even) td {
  background: rgba(20, 52, 79, 0.35);
}

.page-products .prod-table tbody tr:hover td,
.page-products .prod-table tbody tr:hover th {
  background: rgba(63, 169, 138, 0.22);
  color: var(--white);
}

.page-products .caps-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--mute);
}

.page-products .caps-legend__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-products .cap-bar {
  display: inline-block;
  height: 6px;
  border-radius: 999px;
}

.page-products .cap-bar--low {
  width: 18px;
  background: var(--celadon-soft);
}

.page-products .cap-bar--mid {
  width: 32px;
  background: var(--celadon);
}

.page-products .cap-bar--high {
  width: 48px;
  background: var(--orange);
}

.page-products .prod-bars {
  margin-top: clamp(20px, 3vw, 30px);
  gap: clamp(14px, 2vw, 22px);
}

.page-products .prod-bar {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: var(--steel);
  border: 1px solid var(--prod-line-soft);
}

.page-products .prod-bar__label {
  font-size: 12.5px;
  color: var(--mute);
  letter-spacing: 0.04em;
}

.page-products .prod-bar__track {
  display: block;
  height: 8px;
  border-radius: 999px;
  background: rgba(90, 122, 147, 0.25);
  overflow: hidden;
}

.page-products .prod-bar__fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--celadon);
}

.page-products .prod-bar__fill--high {
  width: 82%;
  background: var(--orange);
}

.page-products .prod-bar__fill--mid {
  width: 62%;
  background: var(--celadon);
}

.page-products .prod-bar__fill--low {
  width: 34%;
  background: var(--celadon-soft);
}

.page-products .prod-bar__val {
  font-size: 13px;
  color: var(--white);
}

/* ---------- 系列标签页 ---------- */
.page-products .prod-tabs {
  margin-top: clamp(8px, 2vw, 16px);
}

.page-products .prod-tabs__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  scrollbar-width: none;
}

.page-products .prod-tabs__list::-webkit-scrollbar {
  display: none;
}

.page-products .prod-tabs__list .tabs__tab {
  flex: none;
  padding: 9px 20px;
  border-radius: var(--r-pill);
  border: 1px solid var(--prod-line);
  background: transparent;
  color: var(--mute);
  font-family: var(--font-display);
  font-size: 14px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.page-products .prod-tabs__list .tabs__tab[aria-selected="true"] {
  background: var(--ink);
  border-color: var(--orange);
  color: var(--orange);
  box-shadow: 0 0 0 1px var(--orange) inset;
}

.page-products .prod-tabs__list .tabs__tab:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-products .prod-panel {
  margin-top: clamp(20px, 3vw, 30px);
  animation: prodFade 240ms ease both;
}

@keyframes prodFade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-products .prod-panel__grid {
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

.page-products .prod-panel__lead {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  color: var(--paper);
  margin: 0 0 20px;
}

.page-products .prod-spec-list {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--prod-line);
}

.page-products .prod-spec-list > div {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--prod-line-soft);
}

.page-products .prod-spec-list dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--celadon);
}

.page-products .prod-spec-list dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mute);
}

.page-products .prod-panel__side {
  display: grid;
  gap: 14px;
}

.page-products .prod-panel__side .frame {
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-products .prod-panel__note {
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mute);
  padding-left: 14px;
  border-left: 3px solid var(--orange);
  margin: 0;
}

/* ---------- 资料区 ---------- */
.page-products .prod-doc-grid {
  gap: clamp(20px, 3vw, 36px);
  align-items: stretch;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-products .prod-doc-figure {
  border-radius: var(--r-lg);
  overflow: hidden;
  min-height: 220px;
}

.page-products .prod-mock {
  background: #FFFFFF;
  border-radius: var(--r-md);
  border: 1px solid #C9D3DC;
  padding: 16px 18px;
  font-size: 12.5px;
  color: var(--paper-ink);
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-products .prod-mock__head {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange-deep);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--paper-ink);
}

.page-products .prod-mock__row {
  display: grid;
  grid-template-columns: 26px auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  border-bottom: 1px dashed #C9D3DC;
}

.page-products .prod-mock__row span.mono {
  color: var(--paper-mute);
  font-size: 11.5px;
}

.page-products .prod-mock__line {
  height: 1px;
  background: #C9D3DC;
}

.page-products .prod-mock__ok {
  font-size: 11px;
  color: #1F7A5E;
  border: 1px solid #1F7A5E;
  border-radius: 999px;
  padding: 1px 8px;
}

.page-products .prod-mock__foot {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--paper-mute);
  padding-top: 8px;
}

.page-products .prod-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-products .prod-filter .pill {
  padding: 8px 18px;
  border-radius: var(--r-pill);
  border: 1px solid #B9C6D1;
  background: transparent;
  color: var(--paper-ink);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.page-products .prod-filter .pill:hover {
  border-color: var(--orange-deep);
  color: var(--orange-deep);
}

.page-products .prod-filter .pill[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--white);
}

.page-products .prod-doc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-products .prod-doc {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: #FFFFFF;
  border: 1px solid #D8E0E7;
  transition: border-color 0.2s, transform 0.2s;
}

.page-products .prod-doc:hover {
  border-color: var(--orange);
  transform: translateX(2px);
}

.page-products .prod-doc[hidden] {
  display: none;
}

.page-products .prod-doc__no {
  font-size: 12px;
  color: var(--orange-deep);
  letter-spacing: 0.06em;
  padding-top: 3px;
}

.page-products .prod-doc__body {
  display: grid;
  gap: 5px;
}

.page-products .prod-doc__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--paper-ink);
  letter-spacing: 0.01em;
}

.page-products .prod-doc__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--paper-mute);
}

.page-products .prod-doc .tag {
  align-self: center;
  padding: 3px 12px;
  border-radius: var(--r-pill);
  background: var(--celadon);
  color: var(--white);
  font-size: 11.5px;
  white-space: nowrap;
}

.page-products .prod-doc-note {
  margin-top: 20px;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--paper-mute);
}

.page-products .prod-doc-note a {
  color: var(--orange-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 交付路径 ---------- */
.page-products .prod-path {
  display: grid;
  gap: 0;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-products .prod-path .path__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--prod-line-soft);
  position: relative;
}

.page-products .prod-path .path__step::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--prod-line);
}

.page-products .prod-path .path__step:first-child::before {
  top: 26px;
}

.page-products .prod-path .path__step:last-child::before {
  bottom: calc(100% - 26px);
}

.page-products .prod-path .path__num {
  position: relative;
  z-index: 1;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--steel);
  border: 1px solid var(--celadon);
  color: var(--celadon-soft);
  font-size: 13px;
}

.page-products .prod-path .path__title {
  margin: 6px 0 6px;
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--white);
}

.page-products .prod-path .path__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mute);
  max-width: 66ch;
}

.page-products .prod-assembly {
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-products .prod-guard {
  gap: clamp(14px, 2vw, 22px);
  margin-bottom: clamp(24px, 3vw, 40px);
}

.page-products .prod-guard__cell {
  padding: 20px 18px;
  border-radius: var(--r-md);
  background: var(--steel);
  border: 1px solid var(--prod-line-soft);
  border-left: 3px solid var(--celadon);
}

.page-products .prod-guard__cell h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--white);
}

.page-products .prod-guard__cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mute);
}

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

.page-products .prod-cta {
  display: grid;
  gap: 18px;
  align-items: center;
  padding: clamp(22px, 4vw, 40px);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, var(--steel) 0%, var(--ink) 62%);
  border: 1px solid var(--prod-line);
}

.page-products .prod-cta__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 3vw, 24px);
  color: var(--white);
  letter-spacing: -0.01em;
}

.page-products .prod-cta__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mute);
  max-width: 62ch;
}

/* ---------- 留白带 ---------- */
.page-products .prod-breathe--rule {
  height: clamp(24px, 5vw, 56px);
}

.page-products .prod-breathe--end {
  height: clamp(30px, 6vw, 72px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-products .prod-hero__grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-products .prod-cta {
    grid-template-columns: 1fr auto;
  }
}

@media (min-width: 960px) {
  .page-products .prod-hero {
    padding-top: clamp(30px, 4vw, 56px);
  }

  .page-products .prod-hero__title {
    max-width: 16ch;
  }

  .page-products .prod-path .path__step {
    padding: 22px 0;
  }

  .page-products .prod-mock {
    padding: 20px 24px;
  }
}

@media (max-width: 719px) {
  .page-products .prod-hero__facts {
    grid-template-columns: 1fr;
  }

  .page-products .prod-doc {
    grid-template-columns: auto 1fr;
  }

  .page-products .prod-doc .tag {
    grid-column: 2;
    justify-self: start;
  }

  .page-products .prod-mock__row {
    grid-template-columns: 22px 1fr auto;
  }

  .page-products .prod-mock__line {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-panel {
    animation: none;
  }

  .page-products .prod-doc:hover {
    transform: none;
  }
}