html,
body {
  margin: 0;
  border: 0;
}

.body_div {
  width: 100%;
  display: flex;
  flex-direction: column;
}

.banner,
.about-banner {
  background-image: url("static/image/banner_bg.png");
  background-size: 100% 100%;
  width: 100%;
  height: 7.5rem;
  background-repeat: no-repeat;
  position: relative;
}

.banner .banner_top,
.about-banner .banner_top {
  display: flex;
  padding: 0.3rem 0.8rem 0 1.4rem;
  justify-content: space-between;
  align-items: center;
}

.banner .logo,
.about-banner .logo {
  height: 0.64rem;
}

.banner .menu,
.about-banner .menu {
  display: flex;
  color: #fff;
  justify-content: space-between;
  font-size: 0.28rem;
}

.banner .menu div,
.about-banner .menu div {
  margin-right: 0.5rem;
}

.banner .banner_search {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  margin: auto;
  width: 35%;
  height: 0.7rem;
  transform: translateY(-50%);
}

.banner .banner_search .banner_search_btn {
  height: 0.45rem;
  position: absolute;
  right: 0;
  top: 39%;
  transform: translateY(100%);
  -moz-transform: translateY(100%);
  -ms-transform: translateY(100%);
  -o-transform: translateY(100%);
  -webkit-transform: translateY(100%);
}

.banner .banner_search input {
  background-color: #fff;
  border-radius: 0.1rem;
  width: 100%;
  height: 100%;
  border: 0;
  font-size: 0.35rem;
  padding-left: 0.3rem;
  -webkit-border-radius: 0.1rem;
  -moz-border-radius: 0.1rem;
  -ms-border-radius: 0.1rem;
  -o-border-radius: 0.1rem;
}

.banner_bottom {
  height: 10%;
  width: 85%;
  background-color: RGBA(102, 176, 212, 0.9);
  position: absolute;
  left: 0;
  right: 0;
  margin: auto;
  bottom: 0;
  border-top-left-radius: 0.3rem;
  border-top-right-radius: 0.3rem;
  display: flex;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.28rem;
  justify-content: center;
  align-items: center;
}

.banner_bottom .shu {
  height: 35%;
  width: 1px;
  background-color: #fff;
  margin-left: 8%;
  margin-right: 8%;
}

.banner_bottom > div > span {
  font-size: 0.34rem;
  font-weight: bold;
  color: #fff;
}

.page_bottom {
  height: 4.2rem;
  background-color: #303030;
  color: #606060;
  font-size: 0.2rem;
}

.page_bottom .page_bottom_top {
  text-align: center;
  height: 80%;
  border-bottom: #5e5e5e 1px solid;
}

.page_bottom .page_bottom_bottom {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 20%;
  font-size: 0.2rem;
}

.page_bottom .page_bottom_top {
  display: flex;
  padding-left: 8%;
  padding-right: 8%;
  justify-content: space-between;
  text-align: left;
}

.page_bottom .page_bottom_top .page_bottom_model02 {
  display: flex;
  margin-top: 0.4rem;
  justify-content: space-between;
}
.page_bottom .page_bottom_top .page_bottom_model02 > div {
  margin-right: 0.5rem;
}
.page_bottom .page_bottom_top .page_bottom_model03 {
  display: flex;
  margin-top: 0.4rem;
  width: 30%;
}

.page_bottom .page_bottom_top .page_bottom_model01 {
  margin-top: 0.4rem;
  text-align: left;
}

.page_bottom .page_bottom_top .page_bottom_model01 > div {
  display: flex;
  align-items: center;
  font-size: 0.2rem;
  margin-bottom: 0.2rem;
}

.page_bottom .page_bottom_top .page_bottom_model01 img {
  width: 0.24rem;
  margin-right: 0.1rem;
}

.page_bottom .page_bottom_top .page_bottom_title {
  font-size: 0.28rem;
  color: #fff;
}
.page_bottom .page_bottom_top .page_bottom_title.page_bottom_title1 {
  font-size: 0.25rem;
}
.page_bottom .page_bottom_top .page_bottom_model03 {
  text-align: center;
}
.page_bottom .page_bottom_top .page_bottom_model03 img {
  width: 80%;
  margin-top: 10%;
}

/* 页脚链接样式 */
.page_bottom a {
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s ease;
}

.page_bottom a:hover {
  color: #ffffff;
}

/* 导航一级/二级菜单扩展样式 */
.banner .menu .nav-item {
  position: relative;
  margin-right: 0.5rem;
  cursor: pointer;
}

.banner .menu .nav-link {
  color: #fff;
  text-decoration: none;
  display: inline-block;
  padding: 0.1rem 0;
  transition: color 0.25s ease, border-color 0.25s ease;
  cursor: pointer;
}

.banner .menu .nav-link:hover {
  color: #f5f5f5;
}

.banner .menu .nav-link.is-active,
.banner .menu .sub-menu-link.is-active {
  border-bottom: 0.04rem solid #fff;
}

.banner .menu .sub-menu {
  position: absolute;
  left: 0;
  top: 100%;
  min-width: 1.2rem;
  /*background: rgb(114, 113, 113);*/
  backdrop-filter: blur(10px);
  display: none;
  padding: 0.1rem 0;
  border-radius: 0.08rem;
  box-shadow: 0 0.08rem 0.24rem rgba(0, 0, 0, 0.3);
  z-index: 1000;
}

.banner .menu .sub-menu-link {
  display: block;
  padding: 0.05rem;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
  font-size: 0.22rem;
  transition: all 0.2s ease;
  border-left: 0.04rem solid transparent;
}

.banner .menu .sub-menu-link:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  border-left-color: #fff;
}

.banner .menu .nav-item.has-sub:hover .sub-menu,
.banner .menu .nav-item.has-sub.menu-open .sub-menu {
  display: block;
}

.about-banner {
  background-size: cover;
  background-position: center;
  width: 100%;
  height: 7.5rem;
  display: flex;
  flex-direction: column;
  position: relative;
  color: #fff;
}

.about-banner-inner {
  width: 100%;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.about-banner-title {
  font-size: 1rem;
  font-weight: 700;
  text-shadow: #333 1px 1px 2px;
}

.about-banner-subtitle {
  font-size: 0.55rem;
  opacity: 0.9;
  text-shadow: #333 1px 1px 2px;
}

.card-blue-panel {
  border: 1px solid #fff;
  box-shadow: 0 0.18rem 0.6rem rgba(0, 128, 255, 0.15);
  /* 浅蓝渐变背景：更接近页面示意图 */
  background: linear-gradient(
    180deg,
    /* 中部略更蓝一点 */ #f4f9fcff 0.1%,
    /* 稍深一点的浅蓝，形成主体上半部分 */ #c6ddeeff 45%,
    /* 中部略更蓝一点 */ #e7f5ff 100% /* 底部保留更多淡蓝 */
  );
  border-radius: 0.4rem;
}

/* 如需更大圆角的变体，可叠加使用 */
.card-radius-lg {
  border-radius: 0.5rem;
}

.text-gray-normal {
  color: #666666;
  font-size: 0.22rem;
}

@media (max-width: 768px) {
  .banner,
  .about-banner {
    height: 6rem;
    background-size: cover;
    background-position: center;
  }

  .banner .banner_top,
  .about-banner .banner_top {
    padding: 0.3rem 0.4rem;
  }

  .banner .logo,
  .about-banner .logo {
    height: 0.5rem;
  }

  .banner .menu,
  .about-banner .menu {
    font-size: 0.24rem;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .banner .menu div,
  .about-banner .menu div {
    margin-right: 0.3rem;
  }

  .banner .banner_search {
    width: 80%;
    top: 3.5rem;
  }

  .banner_bottom {
    width: 92%;
    font-size: 0.24rem;
    flex-wrap: wrap;
    padding: 0.2rem 0.3rem;
  }

  .banner_bottom .shu {
    display: none;
  }

  .page_bottom {
    height: auto;
    padding: 0.6rem 0;
  }

  .page_bottom .page_bottom_top {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.4rem;
  }

  .page_bottom .page_bottom_top .page_bottom_model03 {
    width: 100%;
  }
}

/* 文章主图容器样式 */
.article-hero-container {
  width: 100%;
  height: 550px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.6rem;
}

.article-hero-container .article-hero {
  width: 105%;
  height: auto;
  display: block;
}