* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
a {
  text-decoration: none;
}
img,
image {
  max-width: 100%;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  color: #333;
  background: #f5f5f5;
}
:root {
  --color-primary: #023591;
  --color-1: #D7E9F8;
  --color-2: #0096DB;
  --color-3: rgba(215, 233, 248, 0.8);
  --color-4: #333333;
  --color-5: #ffffff;
  --color-6: #979797;
  --color-7: #cccccc;
  --color-8: #999999;
}
/*  公共 */
/* 骨架屏样式 */
.skeleton {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #f5f5f5;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
  box-sizing: border-box;
}
.skeleton-header {
  width: 100%;
  max-width: 1200px;
  background-color: #fff;
  padding: 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  margin-bottom: 20px;
}
.skeleton-logo {
  width: 100px;
  height: 50px;
  background-color: #e0e0e0;
  border-radius: 4px;
}
.skeleton-nav {
  margin-left: 20px;
  flex: 1;
  display: flex;
  justify-content: space-between;
}
.skeleton-nav-item {
  width: 100px;
  height: 30px;
  background-color: #e0e0e0;
  border-radius: 4px;
}
.skeleton-content {
  width: 100%;
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.skeleton-section {
  background-color: #fff;
  padding: 20px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.skeleton-title {
  width: 50%;
  height: 20px;
  background-color: #e0e0e0;
  border-radius: 4px;
}
.skeleton-text {
  width: 100%;
  height: 15px;
  background-color: #e0e0e0;
  border-radius: 4px;
}
.header-container .logo-container {
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 0.3375rem 1.2rem;
  background: var(--color-primary);
}
.header-container .logo-container .content_width {
  width: 100%;
  display: flex;
  justify-content: space-between;
}
.header-container .logo-container .content_width .logo {
  max-width: 100%;
  height: auto;
}
.header-container .search {
  width: 5rem;
  height: 0.75rem;
  background: var(--color-1);
  display: flex;
  align-items: center;
}
.header-container .main-nav {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-1);
  padding: 0 1.4rem;
}
.header-container .main-nav .container {
  width: 100%;
}
.header-container .main-nav ul {
  width: 100%;
  display: flex;
  list-style: none;
}
.header-container .main-nav ul li {
  text-align: center;
  position: relative;
  padding: 0.3375rem 0.25rem;
}
.header-container .main-nav ul li a {
  text-decoration: none;
  font-family: MicrosoftYaHei;
  font-size: 0.275rem;
  color: #333333;
  line-height: 0.375rem;
}
.header-container .main-nav ul li .sub-menu {
  position: absolute;
  top: 1.02rem;
  left: 0;
  width: 100%;
  background: var(--color-3);
  display: none;
}
.header-container .main-nav ul li .sub-menu .bg-nav-text {
  padding: 0.125rem;
}
.header-container .main-nav ul li .sub-menu .bg-nav-text a {
  font-size: 0.2rem;
}
.header-container .main-nav ul li .sub-menu .active a {
  font-weight: bold;
  color: var(--color-2);
}
.header-container .main-nav ul li .sub-menu .bg-nav-text:hover a {
  font-weight: bold;
  color: var(--color-2);
}
.header-container .main-nav ul li:hover .sub-menu {
  display: block;
}
.header-container .main-nav ul .active .item_a {
  color: var(--color-2);
}
.header-container .main-nav ul li:hover .item_a {
  color: var(--color-2);
}
.header-container .mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 0.3rem;
}
.footer {
  padding-top: 0.375rem;
  text-align: center;
}
.footer .container {
  width: 100%;
  display: flex;
  justify-content: center;
}
.footer a {
  color: var(--color-2);
}
.footer a:hover {
  color: var(--color-2);
}
.footer .bg-nav-box {
  width: 100%;
  display: flex;
  gap: 20px;
}
.footer .bg-nav-box .bg-nav-item {
  flex: 1;
  text-align: left;
}
.footer .bg-nav-box .bg-nav-item a {
  font-family: MicrosoftYaHei, MicrosoftYaHei;
  font-size: 16px;
  color: #333333;
  text-decoration: none;
}
.footer .bg-nav-box .bg-nav-item a:hover {
  color: var(--color-2);
}
.footer .bg-nav-box .bg-nav-item .bg-nav-title {
  font-weight: bold;
  margin-bottom: 0.125rem;
}
.footer .bg-nav-box .bg-nav-item .bg-nav-text {
  text-align: left;
}
.footer .footer-f {
  margin-top: 40px;
  background: #FFFFFF;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #999999;
}
/* PC端适配 - 媒体查询 */
@media screen and (min-width: 768px) {
  html {
    font-size: 48px !important;
  }
  body {
    background: #eef2f5;
  }
  .header {
    height: 0.8rem;
    font-size: 0.25rem;
    justify-content: flex-start;
    padding-left: 0.3rem;
  }
  .container {
    max-width: 15rem;
    margin: 0 auto;
  }
  .header-container {
    flex-direction: column;
  }
  .header-container .logo-container {
    width: 100%;
    text-align: center;
    padding: 0.3375rem 0.575rem;
  }
  .header-container .main-nav {
    padding: 0rem 0.575rem;
  }
  .header-container .main-nav ul li {
    padding: 0.3375rem 0.25rem;
  }
  .header-container .main-nav ul li::before {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    content: '';
    width: 0.025rem;
    height: 0.5rem;
    background: var(--color-2);
  }
  .header-container .main-nav ul li:last-child::before {
    display: none;
  }
}
@media screen and (min-width: 1300px) {
  html {
    font-size: 70px !important;
    /* 增大基准值 */
  }
  .container {
    max-width: 17.5rem;
  }
}
/* 超大屏幕优化 */
@media screen and (min-width: 1600px) {
  html {
    font-size: 80px !important;
    /* 增大基准值 */
  }
  .container {
    max-width: 17.5rem;
  }
}
/* 移动端适配 */
@media (max-width: 768px) {
  html {
    font-size: 37.5px !important;
    /* 增大基准值 */
  }
  .header-container {
    flex-direction: column;
  }
  .header-container .main-nav {
    display: none;
    width: 100%;
  }
  .header-container .main-nav.active {
    display: block;
  }
  .header-container .main-nav ul {
    flex-direction: column;
    gap: 10px;
    padding: 0;
  }
  .header-container .mobile-menu-btn {
    display: block;
    position: absolute;
    top: 15px;
    right: 15px;
  }
  .header-container .logo-container {
    width: 100%;
    text-align: center;
    padding: 0.125rem;
  }
  .container {
    max-width: 80%;
    margin: 0 auto;
  }
}