/* SX 系列产品页：桌面 1920 还原（适配进 mobile.css） */

/* 浅底首屏：1920×800 场景图，文案左对齐黑/灰，顶栏用 header--on-light */
.sx-hero {
  position: relative;
  width: 100%;
  height: 800px;
  overflow: hidden;
  background: #f5f6f8;
}

.sx-hero__bg {
  position: absolute;
  inset: 0;
}

.sx-hero__bg img {
  object-position: right center;
}

.sx-hero__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 32px;
  padding-top: 220px;
  text-align: left;
}

.sx-hero__texts {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
  width: 100%;
  max-width: 540px;
  min-width: 0;
}

.sx-hero__lead {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  width: 100%;
}

.sx-hero__eyebrow {
  font-size: var(--desc-size);
  line-height: 28px;
  color: var(--color-text);
}

.sx-hero__title {
  font-size: var(--display-size);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

.sx-hero__sub {
  font-size: var(--desc-size);
  line-height: 28px;
  color: var(--color-sub);
}

.sx-head {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  width: 100%;
  max-width: 1008px;
  margin: 0 auto 60px;
  text-align: center;
}

.sx-head__titles {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.sx-head .sec-title {
  line-height: 1.3;
}

.sx-head .sec-desc {
  line-height: 32px;
}

/* 产品矩阵：封面 373×300 + 浅底信息区 */
.sx-models {
  background: var(--color-white);
  padding: var(--section-y) 0;
}

.sx-models__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}

.sx-model {
  display: flex;
  flex-direction: column;
  min-width: 0;
  scroll-margin-top: 24px;
}

.sx-model__cover {
  width: 100%;
  aspect-ratio: 373 / 300;
  border-radius: 0;
  background: transparent;
  overflow: hidden;
}

.sx-model__cover::after {
  display: none;
}

.sx-model__cover img {
  object-fit: cover;
  object-position: center;
}

.sx-model__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
  width: 100%;
  padding: 20px 20px 24px;
  background: var(--color-module);
  border-radius: 0 0 20px 20px;
}

.sx-model__meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

.sx-model__name {
  display: flex;
  align-items: center;
  gap: 4px;
}

.sx-model__name h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.sx-model__name a:hover {
  color: var(--color-primary);
  text-decoration: none;
  opacity: 1;
}

.sx-new {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border-radius: 10px;
  background: #f41;
  color: #fff;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
}

.sx-model__spec {
  font-size: 16px;
  line-height: 28px;
  color: var(--color-text);
}

.sx-model__tag {
  font-size: 16px;
  line-height: 28px;
  color: var(--color-sub);
}

/* 核心优势 */
.sx-why {
  background: var(--color-module);
  padding: var(--section-y) 0;
}

.sx-why__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 40px;
}

.sx-why-card {
  min-width: 0;
  padding: 40px 20px;
  border-radius: 20px;
  background: var(--color-white);
}

.sx-why-card h3 {
  margin-bottom: 10px;
  font-size: 20px;
  font-weight: 700;
  line-height: 32px;
}

.sx-why-card p {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-sub);
}

/* 软硬协同 */
.sx-collab {
  background: var(--color-dark);
  padding: var(--section-y) 0;
}

.sx-collab .sec-label,
.sx-collab .sec-label span,
.sx-collab .sec-title {
  color: var(--color-white);
}

.sx-collab .sec-desc {
  color: var(--color-white-60);
}

.sx-collab__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}

.sx-collab-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  padding: 40px 20px;
  border-radius: 20px;
  background: var(--color-white-11);
}

.sx-collab-card__title {
  display: flex;
  align-items: center;
  gap: 11px;
}

.sx-collab-card__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.sx-collab-card__icon img {
  display: block;
  width: 24px;
  height: 24px;
}

.sx-collab-card h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 32px;
  color: var(--color-white);
}

.sx-collab-card p {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-white-60);
}

.sx-collab__more {
  display: flex;
  width: 164px;
  margin: 60px auto 0;
}

.sx-collab__more img {
  display: block;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* 型号对比：浅灰底 + 白卡片 + 浅蓝表头 + 通栏分割线 */
.sx-compare {
  background: var(--color-module);
  padding: var(--section-y) 0;
}

.sx-table-wrap {
  width: 100%;
  border: 1px solid var(--color-line);
  border-radius: 20px;
  overflow: hidden;
  background: var(--color-white);
}

.sx-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

.sx-table__col-label {
  width: 25%;
}

.sx-table th,
.sx-table td {
  padding: 0 16px;
  text-align: center;
  vertical-align: middle;
}

.sx-table th:first-child,
.sx-table td:first-child {
  padding-left: 24px;
  text-align: left;
}

.sx-table thead {
  background: linear-gradient(180deg, #ffffff 0.5%, #f4f4f4 99%);
}

.sx-table__names th {
  height: auto;
  padding-top: 0;
  padding-bottom: 24px;
  background: transparent;
  border-bottom: 1px solid var(--color-line);
  font-size: 16px;
  font-weight: 700;
  line-height: 24px;
  color: #000;
  vertical-align: middle;
}

.sx-table__names a {
  color: inherit;
}

.sx-table__names a:hover {
  color: var(--color-primary);
  text-decoration: none;
  opacity: 1;
}

.sx-table__photos th {
  height: auto;
  padding-top: 30px;
  padding-bottom: 16px;
  border-bottom: 0;
  background: transparent;
  vertical-align: middle;
}

.sx-table__thumb {
  display: block;
  width: 190px;
  height: 84px;
  max-width: 100%;
  margin: 0 auto;
  background: transparent;
}

.sx-table__thumb img {
  object-fit: contain;
  object-position: center;
}

.sx-table__thumb::after {
  display: none;
}

.sx-table tbody th {
  padding-top: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--color-line);
  font-size: 16px;
  font-weight: 400;
  line-height: 24px;
  color: var(--color-text);
}

.sx-table tbody td {
  padding-top: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--color-line);
  font-size: 16px;
  line-height: 20px;
  color: var(--color-sub);
}

.sx-table tbody td.is-empty {
  font-size: 20px;
}

.sx-table tbody tr.is-accent td,
.sx-table tbody td.is-accent {
  color: #0158ff;
}

.sx-table tbody tr:last-child th,
.sx-table tbody tr:last-child td {
  border-bottom: 0;
}

/* 选型建议 */
.sx-pick {
  background: var(--color-white);
  padding: var(--section-y) 0;
}

.sx-pick__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
}

.sx-pick-card {
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
  padding: 20px;
  border-radius: 20px;
  background: var(--color-module);
}

.sx-pick-card h3 {
  margin-bottom: 8px;
  font-size: 20px;
  font-weight: 700;
  line-height: 1.3;
}

.sx-pick-card p {
  font-size: 14px;
  line-height: 22px;
  color: var(--color-sub);
}

.sx-pick-card__line {
  height: 1px;
  background: var(--color-line);
}

.sx-pick-card__rec {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.sx-pick-card__rec > span:first-child {
  flex-shrink: 0;
  height: 24px;
  padding: 0 12px;
  border-radius: 20px;
  background: var(--color-primary);
  color: #fff;
  font-size: 14px;
  line-height: 24px;
}

.sx-pick-card__rec i {
  width: 1px;
  height: 18px;
  background: rgba(18, 18, 18, 0.2);
  flex-shrink: 0;
}

.sx-pick-card__rec em,
.sx-pick-card__rec a {
  min-width: 0;
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--color-tag);
  color: var(--color-primary);
  font-size: 14px;
  font-style: normal;
  line-height: 22px;
}

.sx-pick-card__rec a:hover {
  color: var(--color-primary-hover);
  text-decoration: none;
  opacity: 1;
}

/* 标杆实践 */
.sx-cases {
  background: var(--color-module);
  padding: var(--section-y) 0;
}

.sx-cases__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--card-gap);
}

.iot-faq > .wrap > .iot-faq__inner {
  width: 100%;
}

.sx-cta .iot-cta__inner {
  width: 100%;
}

.sx-cta .iot-cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
}

.sx-cta h2 {
  white-space: normal;
  line-height: 1.25;
}