.page-products {
  --prod-gap: clamp(1rem, 2.6vw, 2.25rem);
  --prod-rule: 1px solid rgba(11, 59, 60, .16);
  --prod-rule-soft: 1px dashed rgba(11, 59, 60, .22);
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.page-products section[id],
.page-products header[id] {
  scroll-margin-top: 4.5rem;
}

.page-products .breadcrumbs {
  margin-bottom: clamp(.75rem, 2vw, 1.25rem);
}

/* ---------- 首屏 ---------- */

.page-products .prod-hero {
  position: relative;
  display: grid;
  gap: var(--prod-gap);
  padding: clamp(1.25rem, 3vw, 2.5rem);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(118deg,
      rgba(20, 89, 91, .12) 0 38%,
      rgba(20, 89, 91, 0) 38% 100%);
}

.page-products .prod-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.7rem, 4.6vw, 3rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  margin: .45rem 0 .9rem;
  color: var(--ink-900);
}

.page-products .prod-hero .lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(.975rem, 1.4vw, 1.0625rem);
  line-height: 1.78;
  color: var(--ink-900);
}

.page-products .prod-hero-meta {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-products .prod-hero-meta li {
  font-size: .8125rem;
  letter-spacing: .02em;
  color: var(--teal-900);
  background: var(--paper-200);
  border-radius: var(--radius-pill);
  padding: .3rem .8rem;
}

.page-products .prod-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.5rem;
}

.page-products .prod-hero-media {
  margin: 0;
  background: var(--teal-900);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .prod-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.page-products .media-caption {
  padding: .75rem 1rem 1rem;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--paper-200);
}

/* ---------- 版本线 ---------- */

.page-products .prod-lines-head {
  margin-bottom: clamp(1rem, 2.4vw, 1.75rem);
}

.page-products .prod-sub {
  margin: 0 0 1.1rem;
  max-width: 68ch;
  font-size: .975rem;
  line-height: 1.78;
  color: var(--ink-500);
}

.page-products .prod-lines .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding-bottom: .85rem;
  border-bottom: var(--prod-rule);
}

.page-products .prod-lines .tab {
  font-family: var(--font-head);
  font-size: .9375rem;
  letter-spacing: .03em;
  color: var(--ink-900);
  background: transparent;
  border: 1px solid rgba(11, 59, 60, .28);
  border-radius: var(--radius-pill);
  padding: .5rem 1.15rem;
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-products .prod-lines .tab:hover {
  border-color: var(--teal-700);
}

.page-products .prod-lines .tab[aria-selected="true"] {
  background: var(--teal-900);
  border-color: var(--teal-900);
  color: var(--paper-100);
  box-shadow: inset 0 -3px 0 var(--orange-500);
}

.page-products .prod-line-panel {
  padding-top: clamp(1rem, 2.4vw, 1.6rem);
}

.page-products .prod-line-panel + .prod-line-panel {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: var(--prod-rule-soft);
}

.page-products .prod-line-spec {
  margin: 0;
  display: grid;
  gap: .75rem;
}

.page-products .prod-line-spec-row {
  background: var(--paper-200);
  border-radius: var(--radius-md);
  padding: .9rem 1.05rem;
}

.page-products .prod-line-spec dt {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--teal-700);
  margin-bottom: .35rem;
}

.page-products .prod-line-spec dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--ink-900);
}

.page-products .prod-line-map {
  margin: clamp(1.5rem, 3.5vw, 2.5rem) 0 0;
  background: var(--paper-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .prod-line-map img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-products .prod-line-map .media-caption {
  color: var(--ink-500);
}

/* ---------- 功能清单 ---------- */

.page-products .prod-feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--prod-rule);
}

.page-products .prod-feature {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .3rem .9rem;
  padding: clamp(.9rem, 2.2vw, 1.3rem) 0;
  border-bottom: var(--prod-rule);
  transition: transform .18s ease, background-color .18s ease;
}

.page-products .prod-feature:hover {
  transform: translateX(2px);
}

.page-products .prod-feature-index {
  grid-row: 1 / span 2;
  align-self: start;
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--orange-500);
  background: rgba(255, 106, 19, .12);
  border-radius: var(--radius-pill);
  padding: .2rem .6rem;
}

.page-products .prod-feature-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  letter-spacing: .01em;
  color: var(--ink-900);
}

.page-products .prod-feature-text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.74;
  color: var(--ink-900);
}

/* ---------- 设备适配 ---------- */

.page-products .prod-device-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.page-products .prod-filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: 1.1rem 0 .6rem;
}

.page-products .prod-filter-row .pill {
  font-size: .875rem;
  padding: .35rem .95rem;
}

.page-products .prod-filter-count {
  margin: 0 0 .85rem;
  font-size: .8125rem;
  letter-spacing: .02em;
  color: var(--ink-500);
}

.page-products .prod-device-table caption,
.page-products .prod-changelog caption {
  text-align: left;
  padding: 0 0 .6rem;
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--ink-500);
}

.page-products .prod-device-table th[scope="row"] {
  text-align: left;
  font-weight: 500;
}

.page-products .prod-device-table tbody tr:nth-child(even) {
  background: rgba(11, 59, 60, .045);
}

.page-products .prod-device-media {
  margin: 0;
  background: var(--teal-900);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .prod-device-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

/* ---------- 四步安装 ---------- */

.page-products .prod-flow-map {
  margin: 0 0 clamp(1rem, 2.5vw, 1.6rem);
  background: var(--paper-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .prod-flow-map img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
}

.page-products .prod-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(.75rem, 2vw, 1.1rem);
}

.page-products .prod-step {
  background: var(--paper-200);
  border-left: 4px solid var(--teal-700);
  border-radius: var(--radius-md);
  padding: 1.05rem 1.15rem 1.2rem;
}

.page-products .prod-step-num {
  display: inline-block;
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--teal-900);
  background: var(--paper-100);
  border-radius: var(--radius-pill);
  padding: .15rem .6rem;
  margin-bottom: .55rem;
}

.page-products .prod-step h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  color: var(--ink-900);
}

.page-products .prod-step p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--ink-900);
}

.page-products .prod-step .prod-step-note {
  margin-top: .5rem;
  font-size: .875rem;
  color: var(--ink-500);
}

/* ---------- 离线档案 ---------- */

.page-products .prod-offline-grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.page-products .prod-offline-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-products .prod-offline-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--ink-900);
}

.page-products .prod-offline-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: .5rem;
  height: .5rem;
  border-radius: 2px;
  background: var(--orange-500);
}

.page-products .prod-offline-list strong {
  font-weight: 600;
  color: var(--teal-900);
}

.page-products .prod-offline-media {
  margin: 0;
  background: var(--teal-900);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-products .prod-offline-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 11;
  object-fit: cover;
}

/* ---------- 版本演进 ---------- */

.page-products .prod-changelog th[scope="row"] {
  text-align: left;
  font-weight: 500;
  white-space: nowrap;
}

.page-products .prod-changelog tbody tr:nth-child(even) {
  background: rgba(11, 59, 60, .045);
}

.page-products .prod-changelog tbody tr.is-current {
  background: rgba(255, 106, 19, .10);
  box-shadow: inset 3px 0 0 var(--orange-500);
}

/* ---------- 尾段 ---------- */

.page-products .prod-cta {
  border-radius: var(--radius-lg);
}

.page-products .prod-cta h2 {
  margin-bottom: .6rem;
}

.page-products .prod-cta p {
  margin: 0;
  max-width: 62ch;
  font-size: .975rem;
  line-height: 1.78;
  color: var(--ink-900);
}

.page-products .prod-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.4rem;
}

/* ---------- 断点 ---------- */

@media (min-width: 48rem) {
  .page-products .prod-line-spec {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 56rem) {
  .page-products .prod-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-products .prod-feature {
    grid-template-columns: 4.5rem minmax(9rem, 13rem) minmax(0, 1fr);
    gap: 1.25rem;
    align-items: baseline;
  }

  .page-products .prod-feature-index {
    grid-row: auto;
    justify-self: start;
  }
}

@media (min-width: 62rem) {
  .page-products .prod-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: clamp(1.5rem, 3.5vw, 3rem);
  }

  .page-products .prod-device-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-products .prod-offline-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .prod-feature,
  .page-products .prod-lines .tab {
    transition: none;
  }

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