/* ================= /services/ 版本与服务 ================= */
.page-products {
  --prod-gap: clamp(20px, 3vw, 36px);
  --prod-bar-h: 12px;
}

.page-products .sm-section {
  padding-block: clamp(44px, 6.5vw, 84px);
}

.page-products .sm-section__head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-products .sm-crumb {
  padding-block: 18px 4px;
}

/* ---------- 首屏 ---------- */
.page-products .prod-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--sm-line-w) solid var(--sm-line);
}

.page-products .prod-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(85% 70% at 90% -8%, rgba(58, 30, 92, 0.92) 0%, rgba(58, 30, 92, 0) 64%),
    radial-gradient(55% 45% at 2% 100%, rgba(53, 224, 214, 0.07) 0%, rgba(53, 224, 214, 0) 72%);
}

.page-products .prod-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
  align-items: end;
}

@media (min-width: 900px) {
  .page-products .prod-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 72px);
  }
}

.page-products .prod-hero__title {
  margin: 10px 0 18px;
  font-family: var(--sm-font-display);
  font-weight: 900;
  font-size: clamp(38px, 7vw, 84px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--sm-bright);
}

.page-products .prod-hero__lead .sm-lede {
  max-width: 58ch;
}

.page-products .prod-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-products .prod-hero__panel {
  border-left: 2px solid var(--sm-gold);
  padding-left: clamp(16px, 2.4vw, 26px);
}

.page-products .prod-hero__verlabel {
  margin: 18px 0 4px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sm-blue);
}

.page-products .prod-hero__ver {
  margin: 0;
  font-family: var(--sm-font-mono);
  font-size: clamp(40px, 5.5vw, 66px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--sm-gold);
}

.page-products .prod-hero__facts {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: var(--sm-line-w) solid var(--sm-line);
}

.page-products .prod-hero__facts li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: var(--sm-line-w) solid var(--sm-line);
  font-size: 14px;
  color: var(--sm-body);
}

.page-products .prod-hero__facts b {
  font-weight: 600;
  color: var(--sm-bright);
}

/* ---------- 通用小件 ---------- */
.page-products .prod-oneline {
  max-width: 62ch;
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--sm-gold);
  color: var(--sm-bright);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.7;
}

.page-products .prod-ask {
  max-width: 62ch;
  margin: clamp(22px, 3vw, 32px) 0 0;
  padding-top: 16px;
  border-top: var(--sm-line-w) solid var(--sm-line);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--sm-body);
}

.page-products .prod-figure {
  margin: 0 0 clamp(22px, 3vw, 36px);
}

.page-products .prod-figure .sm-media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 01 设备选型 ---------- */
.page-products .prod-tabs {
  margin-top: clamp(8px, 1.5vw, 16px);
}

.page-products .prod-tabs .sm-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding-bottom: 0;
  border-bottom: var(--sm-line-w) solid var(--sm-line);
}

.page-products .prod-tabs .sm-tabs__tab {
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 12px 18px;
  font-family: var(--sm-font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--sm-body);
  cursor: pointer;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-products .prod-tabs .sm-tabs__tab:hover {
  color: var(--sm-gold-lift);
}

.page-products .prod-tabs .sm-tabs__tab[aria-selected="true"] {
  color: var(--sm-status);
  border-bottom-color: var(--sm-status);
}

.page-products .prod-tabs .sm-tabs__tab:focus-visible {
  outline: 2px solid var(--sm-gold-lift);
  outline-offset: -2px;
}

.page-products .prod-panel {
  padding-top: clamp(16px, 2.4vw, 26px);
}

.page-products .prod-panel__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 768px) {
  .page-products .prod-panel__facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 3vw, 48px);
  }
}

.page-products .prod-panel__facts li {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: var(--sm-line-w) solid var(--sm-line);
  font-size: 14.5px;
  line-height: 1.65;
}

.page-products .prod-k {
  color: var(--sm-blue);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-products .prod-v {
  color: var(--sm-body);
}

.page-products .prod-v--pick {
  color: var(--sm-status);
  font-weight: 700;
}

.page-products .prod-panel__note {
  max-width: 60ch;
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sm-body);
}

/* ---------- 02 三档安装包 ---------- */
.page-products .prod-bars {
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-products .prod-bar {
  padding-bottom: 14px;
  border-bottom: var(--sm-line-w) solid var(--sm-line);
}

.page-products .prod-bar__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.page-products .prod-bar__name {
  font-family: var(--sm-font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--sm-bright);
}

.page-products .prod-bar__val {
  font-family: var(--sm-font-mono);
  font-size: 14px;
  color: var(--sm-gold);
}

.page-products .prod-bar__track {
  position: relative;
  height: var(--prod-bar-h);
  overflow: hidden;
  background: linear-gradient(90deg, rgba(58, 30, 92, 0.9), rgba(35, 18, 53, 0.35));
}

.page-products .prod-bar__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--sm-gold), var(--sm-gold-lift));
  transition: filter 0.2s ease;
}

.page-products .prod-bar--light .prod-bar__fill { width: 20%; }
.page-products .prod-bar--std .prod-bar__fill { width: 45%; }
.page-products .prod-bar--full .prod-bar__fill { width: 100%; }

.page-products .prod-bar:hover .prod-bar__fill,
.page-products .prod-bar:focus-within .prod-bar__fill {
  filter: brightness(1.18);
}

.page-products .prod-bar__note {
  max-width: 62ch;
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sm-body);
  opacity: 0.72;
  transition: opacity 0.2s ease;
}

.page-products .prod-bar:hover .prod-bar__note,
.page-products .prod-bar:focus-within .prod-bar__note {
  opacity: 1;
}

/* ---------- 03 系统门槛 ---------- */
.page-products .prod-sys {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
}

@media (min-width: 960px) {
  .page-products .prod-sys {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }
}

.page-products .prod-pick {
  margin: 0 0 18px;
  padding: 0;
  border: 0;
}

.page-products .prod-pick__legend {
  padding: 0;
  margin-bottom: 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--sm-blue);
}

.page-products .prod-pick__opts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-products .prod-pick__opt {
  position: relative;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.page-products .prod-pick__opt input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.page-products .prod-pick__opt span {
  display: inline-block;
  padding: 7px 14px;
  border: var(--sm-line-w) solid var(--sm-line);
  background: rgba(237, 227, 210, 0.04);
  color: var(--sm-body);
  font-family: var(--sm-font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.page-products .prod-pick__opt input:checked + span {
  border-color: var(--sm-status);
  background: rgba(53, 224, 214, 0.1);
  color: var(--sm-status);
}

.page-products .prod-pick__opt input:focus-visible + span {
  outline: 2px solid var(--sm-gold-lift);
  outline-offset: 2px;
}

.page-products .prod-systable__cap {
  text-align: left;
  padding: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--sm-blue);
}

.page-products .prod-systable tbody tr {
  transition: background-color 0.2s ease;
}

.page-products .prod-sys:has(input[value="a"]:checked) tbody tr[data-band="a"],
.page-products .prod-sys:has(input[value="b"]:checked) tbody tr[data-band="b"],
.page-products .prod-sys:has(input[value="c"]:checked) tbody tr[data-band="c"] {
  background: rgba(53, 224, 214, 0.08);
}

.page-products .prod-sys:has(input[value="a"]:checked) tbody tr[data-band="a"] th,
.page-products .prod-sys:has(input[value="b"]:checked) tbody tr[data-band="b"] th,
.page-products .prod-sys:has(input[value="c"]:checked) tbody tr[data-band="c"] th {
  color: var(--sm-status);
  box-shadow: inset 2px 0 0 var(--sm-status);
}

.page-products .prod-figure--side {
  margin: 0;
}

/* ---------- 04 架构与校验 ---------- */
.page-products .prod-arch {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--prod-gap);
}

@media (min-width: 960px) {
  .page-products .prod-arch {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }
}

.page-products .prod-copy__line {
  max-width: 56ch;
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--sm-body);
}

.page-products .prod-copy__line strong {
  color: var(--sm-bright);
  font-weight: 700;
}

/* ---------- 05 交付与保修 ---------- */
.page-products .prod-delivery {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

@media (min-width: 1024px) {
  .page-products .prod-delivery {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: start;
  }
}

.page-products .prod-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.4vw, 28px);
}

@media (min-width: 768px) {
  .page-products .prod-timeline {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-products .prod-timeline li {
  position: relative;
  padding-top: 18px;
  border-top: 2px solid var(--sm-gold);
}

.page-products .prod-timeline__num {
  font-family: var(--sm-font-mono);
  font-size: clamp(28px, 3vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--sm-gold);
}

.page-products .prod-timeline__unit {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sm-blue);
}

.page-products .prod-timeline__title {
  margin: 12px 0 8px;
  font-family: var(--sm-font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--sm-bright);
}

.page-products .prod-timeline p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sm-body);
}

.page-products .prod-warranty {
  padding: clamp(18px, 2.4vw, 26px) 0 0;
  border-top: var(--sm-line-w) solid var(--sm-line);
}

.page-products .prod-warranty__title {
  margin: 0 0 14px;
  font-family: var(--sm-font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--sm-bright);
}

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

.page-products .prod-warranty__list li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  padding: 11px 0;
  border-bottom: var(--sm-line-w) solid var(--sm-line);
  font-size: 14.5px;
  color: var(--sm-body);
}

.page-products .prod-warranty__v {
  font-family: var(--sm-font-mono);
  font-weight: 600;
  color: var(--sm-status);
}

.page-products .prod-warranty__note {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--sm-body);
}

/* ---------- 06 批量部署 ---------- */
.page-products .prod-bulk {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-products .prod-bulk__item {
  padding: 18px 0 0;
  border-top: 2px solid var(--sm-purple);
}

.page-products .prod-bulk__num {
  margin: 0;
  font-family: var(--sm-font-mono);
  font-size: clamp(30px, 3.4vw, 44px);
  font-weight: 700;
  line-height: 1;
  color: var(--sm-gold);
}

.page-products .prod-bulk__title {
  margin: 12px 0 8px;
  font-family: var(--sm-font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--sm-bright);
}

.page-products .prod-bulk__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sm-body);
}

/* ---------- 收尾索引 ---------- */
.page-products .prod-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: var(--sm-line-w) solid var(--sm-line);
}

@media (min-width: 768px) {
  .page-products .prod-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-products .prod-next__item {
  border-bottom: var(--sm-line-w) solid var(--sm-line);
}

.page-products .prod-next__link {
  display: block;
  padding: 18px clamp(0px, 1.5vw, 20px) 18px 0;
  text-decoration: none;
  transition: background-color 0.2s ease;
}

.page-products .prod-next__link:hover {
  background: rgba(224, 167, 60, 0.06);
}

.page-products .prod-next__title {
  display: block;
  font-family: var(--sm-font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--sm-gold);
  letter-spacing: 0.01em;
}

.page-products .prod-next__link:hover .prod-next__title {
  color: var(--sm-gold-lift);
}

.page-products .prod-next__desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--sm-body);
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-products .prod-bar__fill,
  .page-products .prod-bar__note,
  .page-products .prod-tabs .sm-tabs__tab,
  .page-products .prod-systable tbody tr,
  .page-products .prod-next__link {
    transition: none;
  }
}