/* 头部样式开始 ====================================================================================*/
header {
  color: #fff;
  padding: 10px 0;
  border-color: #e7e7e7;
  background-color: #f8f8f8;
  border: 1px solid transparent;
}

/*.navbar {
  margin-bottom: 0;
}*/

.navbar-default {
  background-color: transparent;
  border: none;
}

  .navbar-default .navbar-nav > li > a {
    color: #333333;
    /*font-size: 18px;*/
  }

  .navbar-default .navbar-nav > .active > a {
    background-color: transparent;
  }

  .navbar-default .navbar-nav > li.active > a, .navbar-default .navbar-nav > li.active > a:hover, .navbar-default .navbar-nav > li > a:hover {
    background-color: transparent;
    color: #0F77ED;
  }

  .navbar-default .navbar-nav > .open > a, .navbar-default .navbar-nav > .open > a:focus, .navbar-default .navbar-nav > .open > a:hover {
    background-color: transparent;
    color: #0F77ED;
  }

.dropdown-menu {
  text-align: center;
  border: 0;
  box-shadow: none;
  border-radius: 0;
}

  .dropdown-menu > li > a:hover {
    background-color: #0F77ED;
    color: #fff;
  }

.navbar-toggle .collapsed {
  background-color: black;
}

.navbar-right .dropdown-menu {
  left: -26px;
}

.dropdown-menu > li > a {
  text-align: center;
  padding: 10px 0px;
}

.navbar-nav > li > .dropdown-menu {
  padding: 0;
  box-shadow: 1px 1px 3px #ccc, -1px 1px 3px #ccc;
}

.nav > li > a {
  padding: 10px 25px;
}

@media (max-width: 767px) {
  .navbar-default .navbar-nav .open .dropdown-menu > li > a {
    text-align: left;
    padding-left: 10%;
  }
}
/* 头部样式结束 ====================================================================================*/
.ball_line_box {
  width: 120px;
  height: 3px;
  background-color: #E3E3E3;
  position: relative;
}
.ball_style {
  border: 3px solid #e3e3e3;
  width: 36px;
  height: 36px;
  position: absolute;
  background-color: #ffffff;
  border-radius: 50%;
  top: -18px;
  left: 42px;
  cursor: pointer;
}
.ball_style:hover {
  border: 6px solid #0F77ED;
}
/* .ball_style:hover + .year_style {
  background-color: #0F77ED;
  color: #fff;
  border-radius: 7px;
} */
.ball_style_active {
  border: 6px solid #0F77ED;
}
.year_style {
  position: absolute;
  top: 45px;
  left: 20px;
  width: 80px;
  height: 40px;
  font-size: 18px;
  font-weight: bold;
  color: #333;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.year_style:hover {
  background-color: #0F77ED;
  color: #fff;
  border-radius: 7px;
}
/* .year_style:hover + .ball_style {
  border: 6px solid #0F77ED;
} */
.year_style_active {
  background-color: #0F77ED;
  color: #fff;
  border-radius: 7px;
}
.year_box_style {
  width: 13px;
  height: 13px;
  position: absolute;
  background-color: #0F77ED;
  top: -26px;
  left: -35px;
  transform: rotate(45deg);
}
.ball_active_none {
  display: none;
}
.total_box_style {
  width: 100%;
  background-color: #FAFAFA;
  /* background-color: red; */
  padding: 1%;
  display: flex;
}
.img_size {
  width: 37%;
  height: 220px;
}
.text_size {
  width: 63%;
  display: flex;
  flex-direction: column;
  padding: 0 0 0 15px;
}
.text_style {
  letter-spacing: 0.4px;
  color: #666666;
  font-size: 14px;
  line-height: 2;
}
.out_box_size {
  margin: 30px 0 30px 0;
  padding: 0 10px 0 0;
}
.img-center {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 55px;
}
.top_img_box {
  margin-bottom: 55px;
}
.top_img {
  width: 100%;
  height: auto;
}

@media (max-width: 1200px) {
  .out_box_size {
    margin: 20px 0 20px 0;
    padding: 0 10px 0 0;
  }
  .img_size {
    height: 220px;
  }
}

@media (max-width: 992px) {
  .out_box_size {
    margin: 15px 0 15px 0;
    padding: 0 10px 0 0;
  }
}

@media (max-width: 768px) {
  .out_box_size {
    margin: 0 0 20px 0;
    padding: 0 10px 0 0;
  }
  .top_img {
    width: auto;
    height: 155px;
  }
}

@media (max-width: 450px) {
  .top_img {
    width: auto;
    height: 100px;
  }
}