html, body {
  height: 100%;
  overflow: hidden;
}

.footer {
  width: 100%;
  max-width: 1920px;
  height: 86px;
  line-height: 86px;
  margin: 0 auto;
  text-align: center;
  background: #05070B;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  flex-shrink: 0;
  box-sizing: border-box;
}

.footer p {
  font-size: 12px;
}

/* 子页面：上内容 + 下五块，主区高度随视口，保证 footer 始终可见 */
.page-main {
  margin-top: 90px;
  height: calc(100vh - 90px - 86px);
  box-sizing: border-box;
  overflow: hidden;
}

.page-wrap {
  max-width: 1920px;
  height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
}

.page-content {
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.page-content--static {
  flex: none;
  overflow: visible;
}

/* 底部五块 */
.about-features {
  width: 1200px;
  max-width: 100%;
  height: 88px;
  flex-shrink: 0;
  margin-top: 50px;
  margin-bottom: 50px;
  display: flex;
  align-items: stretch;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  box-sizing: border-box;
}

.feature-item {
  position: relative;
  flex: 1;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 18px 0 24px;
  color: inherit;
  box-sizing: border-box;
}

.feature-item + .feature-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 0.5px;
  height: 40px;
  background: #8F8F8F;
  opacity: 0.5;
}

.feature-icon {
  width: 36px;
  height: 36px;
  margin-right: 12px;
  flex-shrink: 0;
}

.feature-text {
  flex: 1;
  min-width: 0;
}

.feature-text h3 {
  display: flex;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 4px;
}

.feature-arrow {
  margin-left: 50px;
  font-size: 12px;
}

.feature-item.active .feature-arrow {
  display: none;
}

.feature-item.active h3 {
  font-weight: 600;
}

.feature-item.active::after {
  content: "";
  position: absolute;
  left: 29px;
  bottom: 3px;
  width: 200px;
  height: 2px;
  background: var(--accent-gradient-line);
}

.feature-text p {
  font-size: 12px;
  line-height: 18px;
}

/* 窄桌面（如 1024px）：五块导航保留单行标题，避免内容被挤成两行。 */
@media (min-width: 993px) and (max-width: 1200px) {
  .about-features {
    width: calc(100% - 32px);
  }

  .feature-item {
    padding: 0 10px;
  }

  .feature-icon {
    width: 30px;
    height: 30px;
    margin-right: 7px;
  }

  .feature-text h3 {
    min-width: 0;
    font-size: 13px;
    white-space: nowrap;
  }

  .feature-arrow {
    margin-left: auto;
  }

  .feature-text p {
    font-size: 11px;
    line-height: 15px;
  }
}

/* 了解我们 PC 子页：底部五块导航统一贴住主区域底部，避免不同正文高度导致页面切换跳动。 */
@media (min-width: 993px) {
  body.page-about-sub .page-wrap {
    position: relative;
  }

  body.page-about-sub .page-wrap > .about-features {
    position: absolute;
    left: 50%;
    bottom: 24px;
    width: 1200px;
    max-width: calc(100vw - 32px);
    margin: 0;
    transform: translateX(-50%);
  }
}

/* 了解我们子页 PC：仅 5 块，隐藏手机端额外的首/末项 */
body.page-about-sub .feature-item-h5-only {
  display: none;
}

body.page-about-sub .about-features .feature-item-h5-only + .feature-item::before {
  display: none;
}

body.page-about-sub .sub-section-title,
body.page-about-sub .hxnl-section-title {
  display: none;
}

/* 产品中心 / 软件详情等页面共用的顶部 banner */
.cp-banner {
  display: grid;
  flex-shrink: 0;
  width: 100%;
  max-width: 1920px;
  height: 180px;
  margin: 0 auto;
}

.cp-banner-img,
.cp-banner-inner {
  grid-area: 1 / 1;
}

.cp-banner-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.cp-banner-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 35px;
  z-index: 1;
  font-family: "Alibaba PuHuiTi", "Microsoft YaHei", sans-serif;
}

.cp-banner-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 100%;
  text-align: center;
  white-space: nowrap;
}

.cp-banner-line {
  display: block;
  width: 120px;
  height: 4px;
  margin-top: 16px;
  background: #E10600;
}

.cp-banner-desc {
  max-width: 1303px;
  margin: 18px 20px 0;
  font-size: 14px;
  font-weight: 400;
  line-height: 24px;
  text-align: center;
}