.page-products {
  --pa-rule: rgba(201, 212, 221, 0.22);
  --pa-body: var(--lg-text-soft);
  --pa-strong: #ffffff;
  --pa-glass: rgba(244, 246, 247, 0.07);
  background: var(--lg-fog);
  color: var(--lg-text);
}

.page-products .pa-sec {
  position: relative;
}

.page-products .pa-sec--fog {
  background: var(--lg-fog);
  color: var(--lg-text);
  --pa-rule: rgba(201, 212, 221, 0.22);
  --pa-body: var(--lg-text-soft);
  --pa-strong: #ffffff;
  --pa-glass: rgba(244, 246, 247, 0.07);
}

.page-products .pa-sec--dark {
  background: var(--lg-ink);
  color: var(--lg-text);
  --pa-rule: rgba(201, 212, 221, 0.20);
  --pa-body: #A9B7C2;
  --pa-strong: #ffffff;
  --pa-glass: rgba(244, 246, 247, 0.06);
}

.page-products .pa-sec--white {
  background: var(--lg-white);
  color: var(--lg-ink-text);
  --pa-rule: rgba(20, 28, 36, 0.14);
  --pa-body: #54626E;
  --pa-strong: var(--lg-ink);
  --pa-glass: rgba(20, 28, 36, 0.03);
}

.page-products .pa-sec--mist {
  background: linear-gradient(180deg, #E8EDF0 0%, #F4F6F7 100%);
  color: var(--lg-ink-text);
  --pa-rule: rgba(20, 28, 36, 0.14);
  --pa-body: #54626E;
  --pa-strong: var(--lg-ink);
  --pa-glass: rgba(20, 28, 36, 0.03);
}

/* ---------- 章节标题 ---------- */
.page-products .pa-head {
  display: grid;
  gap: 12px;
  padding-bottom: clamp(14px, 2vw, 20px);
  margin-bottom: clamp(26px, 4vw, 48px);
  border-bottom: 1px solid var(--pa-rule);
}

.page-products .pa-head__title {
  margin: 0;
  color: var(--pa-strong);
  font-size: clamp(22px, 3.6vw, 36px);
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-products .pa-head__note {
  margin: 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pa-body);
}

.page-products .pa-head__note a,
.page-products .pa-spec__foot a,
.page-products .pa-cta__text a {
  color: var(--lg-red);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 50, 44, 0.45);
  padding-bottom: 2px;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.page-products .pa-head__note a:hover,
.page-products .pa-spec__foot a:hover,
.page-products .pa-cta__text a:hover {
  color: var(--lg-gold);
  border-bottom-color: var(--lg-gold);
}

/* ---------- 首屏 ---------- */
.page-products .pa-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 40px) 0 clamp(28px, 5vw, 56px);
  background:
    radial-gradient(120% 80% at 88% -12%, rgba(227, 166, 74, 0.22), transparent 62%),
    radial-gradient(90% 72% at -6% 104%, rgba(18, 179, 155, 0.18), transparent 60%),
    var(--lg-fog);
  --pa-rule: rgba(201, 212, 221, 0.24);
  --pa-body: var(--lg-text-soft);
  --pa-strong: #ffffff;
  --pa-glass: rgba(244, 246, 247, 0.07);
}

.page-products .pa-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--lg-gold), transparent);
  opacity: 0.55;
}

.page-products .lg-breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-products .pa-hero__kicker {
  color: var(--lg-gold);
  margin: 0 0 14px;
}

.page-products .pa-hero__title {
  margin: 0;
  color: #ffffff;
  font-weight: 200;
  font-size: clamp(34px, 8.2vw, 82px);
  line-height: 1.03;
  letter-spacing: -0.02em;
}

.page-products .pa-hero__lead {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 60ch;
  color: var(--lg-text-soft);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-products .pa-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-products .lg-grid.pa-hero__grid {
  gap: clamp(22px, 3vw, 44px);
  align-items: end;
}

.page-products .pa-hero__facts {
  display: grid;
  gap: 0;
  border-left: 1px solid var(--pa-rule);
  padding-left: clamp(16px, 2.4vw, 28px);
}

.page-products .pa-hero__note {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--lg-grey);
  max-width: 32ch;
}

.page-products .pa-hero__facts .lg-stat {
  padding: 14px 0;
  border-bottom: 1px solid var(--pa-rule);
}

.page-products .pa-hero__facts .lg-stat:last-child {
  border-bottom: 0;
}

.page-products .lg-stat__value small {
  font-size: 0.42em;
  letter-spacing: 0.06em;
  margin-left: 4px;
  color: var(--lg-grey);
}

/* ---------- 参数索引条 ---------- */
.page-products .pa-index {
  display: flex;
  overflow-x: auto;
  margin-top: clamp(28px, 5vw, 52px);
  border-top: 1px solid var(--pa-rule);
  border-bottom: 1px solid var(--pa-rule);
  scrollbar-width: thin;
}

.page-products .pa-index__item {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 122px;
  padding: 14px 20px 16px;
  border-right: 1px solid var(--pa-rule);
  text-decoration: none;
  color: var(--lg-text-soft);
  transition: background-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.page-products .pa-index__num {
  font-family: var(--lg-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lg-gold);
}

.page-products .pa-index__label {
  font-size: 13.5px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-products .pa-index__item:hover,
.page-products .pa-index__item:focus-visible {
  background: rgba(216, 50, 44, 0.14);
  color: #ffffff;
  box-shadow: inset 0 -2px 0 var(--lg-red);
  outline: none;
}

/* ---------- 能力卡片 ---------- */
.page-products .pa-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-products .pa-card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(18px, 2.4vw, 26px);
  background: #ffffff;
  border: 1px solid rgba(20, 28, 36, 0.14);
  border-radius: var(--lg-radius);
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.page-products .pa-card:hover,
.page-products .pa-card:focus-within {
  border-color: var(--lg-red);
}

.page-products .pa-card .lg-index {
  color: var(--lg-grey);
}

.page-products .pa-card__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  color: var(--lg-ink);
  font-weight: 700;
}

.page-products .pa-card__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #54626E;
}

.page-products .pa-card__metric {
  margin: 4px 0 0;
  padding-top: 12px;
  border-top: 1px solid rgba(20, 28, 36, 0.10);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: #54626E;
}

.page-products .pa-card__metric .lg-num {
  font-size: 26px;
  line-height: 1;
  color: var(--lg-teal);
  margin-right: 6px;
}

.page-products .pa-card:nth-child(3) .pa-card__metric .lg-num {
  color: var(--lg-orange);
}

.page-products .pa-card:nth-child(5) .pa-card__metric .lg-num {
  color: var(--lg-red);
}

.page-products .pa-card:nth-child(6) .pa-card__metric .lg-num {
  color: var(--lg-forest);
}

/* ---------- 参数对照 ---------- */
.page-products .pa-spec__banner {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-products .pa-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-products .pa-table__scroll {
  overflow-x: auto;
}

.page-products .pa-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  color: #3C4854;
}

.page-products .pa-table caption {
  text-align: left;
  padding: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lg-grey);
}

.page-products .pa-table thead {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-products .pa-table tbody tr {
  display: block;
  margin-bottom: 12px;
  padding: 6px 0 10px;
  background: #ffffff;
  border: 1px solid rgba(20, 28, 36, 0.13);
}

.page-products .pa-table tbody th {
  display: block;
  padding: 8px 14px 10px;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: var(--lg-ink);
  border-bottom: 1px solid rgba(20, 28, 36, 0.10);
}

.page-products .pa-table tbody td {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding: 9px 14px;
  font-size: 13.5px;
  color: #3C4854;
}

.page-products .pa-table tbody td::before {
  content: attr(data-label);
  flex: 0 0 auto;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--lg-grey);
}

.page-products .pa-table tbody td:last-child {
  font-family: var(--lg-font-sans);
}

.page-products .pa-spec__foot {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 74ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pa-body);
}

/* ---------- 双端并置 ---------- */
.page-products .lg-grid.pa-dual__grid {
  gap: clamp(18px, 2.6vw, 30px);
  align-items: start;
}

.page-products .pa-dual__col {
  display: grid;
  gap: 16px;
  padding: clamp(18px, 2.6vw, 30px);
  background: var(--pa-glass);
  border: 1px solid var(--pa-rule);
  border-radius: var(--lg-radius);
  border-top: 2px solid var(--lg-gold);
  transition: border-color 0.3s ease;
}

.page-products #mobile.pa-dual__col {
  border-top-color: var(--lg-teal);
}

.page-products .pa-dual__col:hover {
  border-color: rgba(216, 50, 44, 0.55);
}

.page-products .pa-dual__col .lg-index {
  color: var(--lg-grey);
}

.page-products .pa-dual__title {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 26px);
  line-height: 1.3;
  color: var(--pa-strong);
  font-weight: 700;
}

.page-products .pa-dual__media {
  margin: 0;
}

.page-products .lg-media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-products .pa-spec {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  border-top: 1px solid var(--pa-rule);
}

.page-products .pa-spec dt {
  padding: 11px 16px 11px 0;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--lg-grey);
  border-bottom: 1px solid var(--pa-rule);
}

.page-products .pa-spec dd {
  margin: 0;
  padding: 11px 0;
  text-align: right;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--pa-strong);
  border-bottom: 1px solid var(--pa-rule);
}

.page-products .pa-dual__tip {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--lg-red);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--pa-body);
}

/* ---------- 版本迭代 ---------- */
.page-products .lg-grid.pa-ver__grid {
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-products .pa-ver__aside {
  display: grid;
  gap: 14px;
}

.page-products .pa-track {
  overflow-x: auto;
  padding-bottom: 10px;
  scrollbar-width: thin;
  outline: none;
}

.page-products .pa-track:focus-visible {
  outline: 1px solid var(--lg-red);
  outline-offset: 6px;
}

.page-products .pa-track__inner {
  position: relative;
  display: flex;
  gap: 16px;
  padding-top: 30px;
}

.page-products .pa-track__inner::before {
  content: "";
  position: absolute;
  top: 12px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--lg-gold), rgba(20, 28, 36, 0.16));
}

.page-products .pa-vcard {
  position: relative;
  flex: 0 0 min(262px, 78vw);
  display: grid;
  gap: 8px;
  padding: 20px;
  background: #ffffff;
  border: 1px solid rgba(20, 28, 36, 0.14);
  border-radius: var(--lg-radius);
  scroll-snap-align: start;
  transition: border-color 0.3s ease;
}

.page-products .pa-vcard::before {
  content: "";
  position: absolute;
  top: -22px;
  left: 20px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lg-gold);
  box-shadow: 0 0 0 4px rgba(227, 166, 74, 0.20);
}

.page-products .pa-vcard:hover {
  border-color: var(--lg-red);
}

.page-products .pa-vcard .lg-index {
  color: var(--lg-grey);
}

.page-products .pa-vcard__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--lg-ink);
  font-weight: 700;
}

.page-products .pa-vcard__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: #54626E;
}

/* ---------- 选型建议 ---------- */
.page-products .pa-select__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-products .pa-select__card {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--pa-glass);
  border: 1px solid var(--pa-rule);
  border-radius: var(--lg-radius);
  transition: border-color 0.3s ease, background-color 0.3s ease;
}

.page-products .pa-select__card:hover,
.page-products .pa-select__card:focus-within {
  border-color: var(--lg-red);
  background: rgba(216, 50, 44, 0.06);
}

.page-products .pa-select__title {
  margin: 0;
  font-size: 20px;
  color: var(--pa-strong);
  font-weight: 700;
}

.page-products .pa-select__combo {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lg-gold);
  font-family: var(--lg-font-mono);
}

.page-products .pa-select__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pa-body);
}

.page-products .pa-meter-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-products .pa-meter-label {
  flex: 0 0 auto;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--lg-grey);
}

.page-products .pa-meter-row .lg-meter {
  flex: 1 1 auto;
  min-width: 60px;
}

.page-products .pa-meter-value {
  flex: 0 0 auto;
  font-size: 15px;
  color: var(--lg-teal);
}

.page-products .pa-select__card:nth-child(2) .pa-meter-value {
  color: var(--lg-gold);
}

.page-products .pa-select__card:nth-child(4) .pa-meter-value {
  color: var(--lg-orange);
}

.page-products .pa-select__tip {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--pa-rule);
  font-size: 13px;
  line-height: 1.7;
  color: #93A2AE;
}

.page-products .pa-select__footer-media {
  margin: clamp(30px, 5vw, 54px) 0 0;
}

.page-products .pa-cta {
  display: grid;
  gap: 18px;
  margin-top: clamp(24px, 4vw, 38px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--pa-rule);
}

.page-products .pa-cta__text {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pa-body);
}

.page-products .pa-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-products .pa-cards {
    grid-template-columns: repeat(6, 1fr);
  }

  .page-products .pa-card--wide {
    grid-column: span 4;
  }

  .page-products .pa-card--narrow {
    grid-column: span 2;
  }

  .page-products .pa-card--half {
    grid-column: span 3;
  }

  .page-products .pa-card--full {
    grid-column: span 6;
  }

  .page-products .pa-select__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 720px) {
  .page-products .pa-table {
    font-size: 14.5px;
    min-width: 700px;
  }

  .page-products .pa-table thead {
    position: static;
    width: auto;
    height: auto;
    overflow: visible;
    clip: auto;
    white-space: normal;
    display: table-header-group;
  }

  .page-products .pa-table thead th {
    background: var(--lg-ink);
    color: #E9EFF3;
    text-align: left;
    font-size: 12.5px;
    letter-spacing: 0.06em;
    font-weight: 600;
    padding: 14px 16px;
    white-space: nowrap;
  }

  .page-products .pa-table tbody {
    display: table-row-group;
  }

  .page-products .pa-table tbody tr {
    display: table-row;
    margin: 0;
    padding: 0;
    border: 0;
    background: #ffffff;
  }

  .page-products .pa-table tbody tr:nth-child(even) {
    background: rgba(201, 212, 221, 0.28);
  }

  .page-products .pa-table tbody tr:hover {
    background: rgba(216, 50, 44, 0.09);
  }

  .page-products .pa-table tbody th,
  .page-products .pa-table tbody td {
    display: table-cell;
    padding: 14px 16px;
    border: 0;
    border-bottom: 1px solid rgba(20, 28, 36, 0.09);
    vertical-align: middle;
  }

  .page-products .pa-table tbody th {
    font-size: 14.5px;
    white-space: nowrap;
  }

  .page-products .pa-table tbody td {
    font-family: var(--lg-font-mono);
    font-size: 13.5px;
    letter-spacing: 0.01em;
    white-space: nowrap;
  }

  .page-products .pa-table tbody td::before {
    content: none;
  }
}

@media (min-width: 1000px) {
  .page-products .pa-hero__facts {
    padding-top: 8px;
  }

  .page-products .pa-dual__col {
    padding: clamp(24px, 2.4vw, 34px);
  }

  .page-products .pa-spec dd {
    font-size: 14px;
  }
}