/* ===== 华为鸿蒙字体 HarmonyOS Sans SC（免费商用，font-display:swap 避免阻塞首屏）===== */
@font-face {
  font-family: 'HarmonyOS Sans SC';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('/static/fonts/HarmonyOS_Sans_SC_Regular.woff2') format('woff2');
}
@font-face {
  font-family: 'HarmonyOS Sans SC';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url('/static/fonts/HarmonyOS_Sans_SC_Bold.woff2') format('woff2');
}

html {
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
  /* 解决IOS默认滑动很卡的情况 */
  -webkit-overflow-scrolling: touch;
  overflow-x: hidden;
  overflow-y: scroll;
  font-family: "HarmonyOS Sans SC", "HarmonyOS Sans", -apple-system, BlinkMacSystem, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "sourcehansans", sans-serif !important;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  /* 覆盖 bootstrap.min.css 的 body{font-family:var(--bs-body-font-family)}：
     让引入 bootstrap 的栏目页（产品中心/技术支持/发表文献/技术平台）与首页/新闻字体一致 */
  font-family: "HarmonyOS Sans SC", "HarmonyOS Sans", -apple-system, BlinkMacSystem, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "sourcehansans", sans-serif !important;
  position: relative;
  outline: none;
  font-weight: 500;
  font-size: medium;
  line-height: normal;
  color: initial;
  --header_h: 100px;
  --container: 8%;
  --container_main_vw: 1400px;
  --primary-color: #e60012;
  --primary-color-two: #5764e8;
  --mobile-padding: 30px;
}

.container {
  padding: 0 var(--container);
  max-width: none;
}

.container_main {
  max-width: var(--container_main_vw);
  position: relative;
  margin: auto;
}

@media (max-width: 1600px) {

  body,
  html {
    font-size: calc(100vw / 110);
    --container_main_vw: 80%
  }
}

@media (max-width: 1440px) {

  body,
  html {
    font-size: calc(100vw / 100);
  }

  .container {
    padding: 0 var(--container);
  }
}

@media (max-width: 1366px) {

  body,
  html {
    font-size: calc(100vw / 95);
    --container: 5%;
  }

  .container {
    padding: 0 var(--container);
  }
}

@media (max-width: 1280px) {

  body,
  html {
    font-size: calc(100vw / 80);
  }

  .container {
    padding: 0 var(--container);
  }
}

@media (max-width: 990px) {

  body,
  html {
    font-size: 14px;
    --container: 18px;
    --container_main_vw: calc(100% - var(--container) * 2);
  }

  .container {
    padding: 0 var(--container);
  }
}

@media (min-width: 300px) and (max-width: 370px) {

  body,
  html {
    font-size: 13px;
    --container: 16px;
    --container_main_vw: calc(100% - var(--container) * 2);
  }
}

input,
textarea {
  background-color: transparent;
  border: none;
  font-family: none;
}

input:active,
textarea:active {
  border: none;
}

input:focus,
textarea:focus {
  outline: none;
  border: none;
  box-shadow: none;
}

/* 首页底部 */
.footer-container {
  height: auto;
  background-color: #f7f8fb;
}

/* 提示框容器样式 */
.tooltip-trigger {
  position: relative;
  cursor: pointer;
  border: none;
  padding: 10px 20px;
  border-radius: 5px;
  color: white;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background-color 0.3s;
}

/* 提示框样式 */
.tooltip {
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  padding: 6px;
  border-radius: 4px;
  background-color: rgba(30, 41, 59, 0.9);
  color: white;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.2s ease;
  z-index: 10;
}

/* 提示框小三角 */
.tooltip::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border-width: 6px;
  border-style: solid;
  border-color: rgba(30, 41, 59, 0.9) transparent transparent transparent;
}

/* 悬停显示提示框 */
.tooltip-trigger:hover .tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-10%);
}

/* 分页 */
.page-container {
  width: 100%;
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.pagination {
  --bs-pagination-padding-x: clamp(16px, 2.2vw, 19.2px);
  --bs-pagination-padding-y: 9.6px;
  --bs-pagination-font-size: 16px;
  --bs-pagination-color: #000;
  --bs-pagination-focus-box-shadow: none;
  --bs-pagination-focus-bg: var(--primary-color);
  --bs-pagination-focus-color: #fff;
  --bs-pagination-hover-bg: var(--primary-color);
  --bs-pagination-hover-color: #fff;
  --bs-pagination-active-bg: var(--primary-color);
  --bs-pagination-active-border-color: var(--primary-color);
  gap: clamp(8px, 1.5vw, 16px);
}

.page-item .page-link {
  border-radius: var(--bs-pagination-border-radius);
}

/* 平台公用样式 */
.neibanner {
  overflow: hidden;
  position: relative;
  padding-top: var(--nav-header-height);
  background-size: cover;
  background-repeat: no-repeat;
  overflow: hidden;
  /* background-attachment: fixed; */
  background-position: center;
}

.banner-content {
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  color: #fff;
  width: var(--container_main_vw);
  margin: auto;
  padding: 96px 0 142.21px;
}

.top-nav {
  width: var(--container_main_vw);
  margin: auto;
}

.top-nav {
  background-color: #e60012;
  margin: 16px auto;
  color: #fff;
  display: flex;
  border-radius: 10px;
  overflow: hidden;
}

.top-nav a {
  flex: 1;
  text-align: center;
  color: #fff;
  text-decoration: none;
  padding: 16px 0;
  font-size: clamp(17.6px, 2vw, 19.2px);
}

.top-nav a:hover {
  background-color: #333;
  border-radius: 6px;
}

a {
  text-decoration: none;
}