body {
  font-family: 'Roboto', Inconsolata, monospace, Helvetica, 'Helvetica Neue', sans-serif;

}

.bg-hero {
  background-color: #45b06cff;
}

/* loading */
::-webkit-scrollbar {
  width: 10px;
  height: 5px;
  background-color: transparent;
}

::-webkit-scrollbar-thumb {
  border-radius: 10px;
  background-color: #cdcabd;
}

.scroll-line {
  height: 2px;
  margin-bottom: -2px;
  background: #0089f2;
  width: 100%;
}

.content {
  /*   background-image: url('https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fpic1.win4000.com%2Fpic%2Fe%2F27%2Ffe997254c8.jpg&refer=http%3A%2F%2Fpic1.win4000.com&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=auto?sec=1652084532&t=d1c86873e1cd37cc98fa49844d8148f5'); */
  filter: grayscale(80%);
  background-size: cover;
  z-index: -3;
  position: relative;
  user-select: none;
  -webkit-user-select: none;
}

/* back to top*/
#backtop {
  display: none;
  position: fixed;
  bottom: 5px;
  right: 5px;
  z-index: 99;
  border: none;
  outline: none;
  background-color: red;
  color: white;
  cursor: pointer;
  padding: 15px;
  border-radius: 15px;
}

#backtop:hover {
  background-color: #555;
}

/*导航栏样式*/
.nav-link {
  color: #000;
}

.dropdown-menu {
  background-color: rgba(99, 94, 94, 0.602);
}


.navbar {
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
  background-color: rgba(99, 94, 94, 0.602);
}

.dropdown-menu>li>a {
  color: white;
}

.navbar .navbar-nav>li>a {
  color: white;
}

.navbar-nav>li>a:hover,
.navbar-nav>li>a:focus,
.dropdown-menu>li>a:hover,
.dropdown-menu>li>a:focus {
  color: rgb(240, 141, 0);
  background: transparent !important;
}

.dropdown-menu {
  padding-top: 0;
  margin-top: 0;
  transition: opacity 0.3s ease-in-out, max-height 0.3s ease-in-out;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  border: none;
}

.dropdown-item {
  margin: 0 !important;
}

/* 鼠标悬停时显示下拉 */
.dropdown-menu {
  max-height: 500px;
  /* 根据需要调整最大高度 */
  opacity: 1;
}

.nav-ani li a {
  text-decoration: none;
  font: 20px Raleway;
  margin: 0px 10px;
  padding: 10px 10px;
  position: relative;
  z-index: 0;
  cursor: pointer;
}

.nav-ani li a:before {
  width: 100%;
  height: 2px;
  left: 0px;
  top: 0px;
  content: '';
  background: #FFF;
  opacity: 0.1;
  transition: all 0.3s;
}

.nav-ani li a:hover:before {
  height: 100%;
}


/* CALLOUT */
.bd-callout {
  padding: 1.25rem;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  border: 1px solid #e9ecef;
  border-left-width: .25rem;
  border-radius: .25rem
}

.bd-callout h4 {
  margin-bottom: .25rem
}

.bd-callout p:last-child {
  margin-bottom: 0
}

.bd-callout code {
  border-radius: .25rem
}

.bd-callout+.bd-callout {
  margin-top: -.25rem
}

.bd-callout-info {
  border-left-color: #5bc0de
}

.bd-callout-warning {
  border-left-color: #f0ad4e
}

.bd-callout-danger {
  border-left-color: #d9534f
}

/* footer */
footer a {
  color: white;
  font-weight: bold;
  text-decoration: none;
}

footer a {
  color: white;
  text-decoration: underline;
}

.table {
  text-align: center;
}

.main-container {
  max-width: 100%;
  padding: 0;
  width: 100%;
  margin: 0;
  top: 0;
  left: 0;
  right: 0;
}

.text-light {
  font-family: 'Lobster', sans-serif;
  font-size: 120px;
  color: #fff;
  background: -webkit-linear-gradient(45deg, rgb(078, 098, 171), rgb(91, 187, 200) 50%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}


@media (max-width:767px) {
  #sidebar {
    display: none;
  }

  #minsidebar {
    display: none;
  }
}