.case_banner {
  background-image: url(../images/about_banner.png);
  height: 300px;
  position: relative;
  display: flex;
  justify-content: center;
  flex-direction: column;
}
.case_banner .gm {
  width: 70.312%;
  max-width: 1350px;
  margin: 0 auto;
}
.case_banner h1 {
  font-size: 40px;
  color: white;
  margin-bottom: 20px;
  font-weight: bold;
}
.case_banner p {
  color: white;
  font-size: 32px;
  font-family: "Arial";
  text-transform: uppercase;
}
.case_menu {
  background-color: #f5f5f5;
}
.case_menu .case_menu_list {
  width: 70.312%;
  max-width: 1350px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}
.case_menu header nav ul {
  height: inherit;
  display: flex;
  align-items: center;
  font-size: 16px;
}
.case_menu header nav ul li {
  padding: 0 25px;
  text-align: center;
  height: 60px !important;
  display: flex;
  align-items: center;
  justify-content: center;
}
.case_menu header nav ul li:hover,
.case_menu header nav ul li.al {
  background-color: #224ea9;
}
.case_menu header nav ul li:hover a,
.case_menu header nav ul li.al a {
  color: white;
}
.case_menu .case_menu_right {
  font-size: 14px;
  display: flex;
}
.case_menu .case_menu_right li {
  display: flex;
  align-items: center;
}
.case_menu .case_menu_right li:first-child::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 18px;
  background-image: url('../img/house.svg');
  background-size: contain;
  background-repeat: no-repeat;
  margin-right: 10px;
  filter: brightness(0) saturate(100%) invert(27%) sepia(91%) saturate(335%) hue-rotate(224deg) brightness(91%) contrast(91%);
  /* 设置 SVG 图像的颜色 */
}
.case_menu .case_menu_right li:nth-child(2)::before {
  content: "";
  display: inline-block;
  width: 22px;
  height: 18px;
  background-image: url('../img/arrow-right.svg');
  background-size: contain;
  background-repeat: no-repeat;
  margin: 0 10px;
  vertical-align: middle;
}
.case_menu .mean-container .mean-nav {
  float: left;
  width: 100%;
  background: #f5f5f5;
}
.case_menu .mean-container .mean-nav ul {
  padding: 0;
  margin: 0;
  width: 100%;
  list-style-type: none;
  display: block;
  background: #efefef;
}
.case_menu .mean-container .mean-nav ul li {
  position: relative;
  width: 100%;
  padding: 0;
  z-index: 3;
}
.case_menu .mean-container .mean-nav ul li.al a,
.case_menu .mean-container .mean-nav ul li:hover a {
  color: white;
}
.case_menu .mean-container .mean-nav ul li a {
  color: #333;
  display: block;
  width: 90%;
  background: none;
  font-size: 16px;
  padding: 0 5%;
  height: 41px;
  line-height: 42px;
  margin: 0;
  /* border-top:1px solid #383838;border-top:1px solid rgba(173, 173, 173, .5); */
  text-decoration: none;
  text-transform: uppercase;
}
.case_menu .mean-container .mean-nav ul li a em {
  display: none;
}
.case_menu .mean-container .mean-nav ul li li a {
  width: 80%;
  padding: 0 10%;
  height: 45px;
  line-height: 45px;
  border-top: 1px solid #f1f1f1;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
  opacity: 0.75;
  filter: alpha(opacity=75);
  text-shadow: none !important;
  visibility: visible;
}
.case_menu .mean-container .mean-nav ul li li a.mean-expand {
  width: 15px;
  height: 40px;
  text-align: center;
  position: absolute;
  right: 0;
  top: 0;
  z-index: 10;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.1);
  border: 0 !important;
  border-left: 1px solid rgba(255, 255, 255, 0.4) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
}
.case_menu .mean-container .mean-nav ul li.mean-last a {
  border-bottom: 0;
  margin-bottom: 0;
}
.case_menu .mean-container .mean-push {
  /* float:left; */
  width: 100%;
  padding: 0;
  margin: 0;
  clear: both;
}
.case_menu .mean-container .mean-bar,
.case_menu .mean-container .mean-bar * {
  -webkit-box-sizing: content-box;
  -moz-box-sizing: content-box;
  box-sizing: content-box;
}
.case_menu .mean-container .mean-bar {
  /* margin-top: 15px; */
  width: 100%;
  position: relative;
  background: #f5f5f5;
  height: 43px;
  z-index: 99;
}
.case_menu .mean-container .mean-bar div.fl {
  font-size: 14px;
  color: #000;
  line-height: 43px;
  padding-left: 2%;
}
.case_menu .mean-container a.meanmenu-reveal {
  width: 22px;
  height: 22px;
  padding: 10px 24px;
  position: absolute;
  top: 0;
  right: 0;
  cursor: pointer;
  color: #000;
  text-decoration: none;
  font-size: 16px !important;
  font-size: 1px;
  display: block;
  font-family: Arial, Helvetica, sans-serif;
  white-space: nowrap;
}
.case_menu .mean-container a.meanmenu-reveal span {
  display: block;
  background: #000;
  height: 3px;
  margin-top: 3px;
}
.case_menu .mean-container .wrapper {
  width: 100%;
  padding: 0;
  margin: 0;
}
.case_menu .mean-container .mean-remove {
  display: none !important;
}
.case .gm {
  max-width: 1350px;
  margin: 90px auto;
}
.case_list ul {
  display: grid;
  margin-bottom: 50px;
  grid-template-columns: repeat(3, 29.9%);
  justify-content: space-between;
  grid-row-gap: 80px;
  width: inherit;
}
.case_list ul li {
  position: relative;
  box-shadow: 1px 1px 5px rgba(0, 0, 0, 0.2);
}
.case_list ul li a {
  display: block;
}
.case_list ul li:hover .link {
  display: block;
}
.case_list img {
  width: 100%;
  height: auto;
}
.case_list h1 {
  position: absolute;
  width: 100%;
  text-align: center;
  bottom: 10px;
  font-size: 18px;
  z-index: 2;
  color: #565656;
}
.case_list .link {
  position: absolute;
  width: 100%;
  height: 50px;
  text-align: center;
  bottom: 0;
  display: none;
  z-index: 2;
}
.case_list .link span {
  width: 50px;
  height: inherit;
  display: block;
  background-color: #b8242a;
  background-image: url(../images/right.png);
  background-repeat: no-repeat;
  background-position: center;
  color: white;
  position: absolute;
  top: 0;
  right: 0;
}
.case_list .link p {
  flex: 1;
  height: inherit;
  background-color: #031664;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
  color: white;
}
.case_pagination {
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #b4b4b4;
}
.case_pagination .current {
  padding: 5px 8px;
  border: 1px solid #ccc;
  margin: 0 3px;
  border-radius: 5px;
}
.case_pagination a {
  padding: 5px 8px;
  margin: 0 3px;
  color: #b4b4b4;
}
@media screen and (max-width: 1350px) {
  .case_menu .case_menu_list {
    width: 100%;
    max-width: none;
    margin: 0;
    display: block;
  }
  .case_menu .case_menu_right {
    display: none;
  }
  .case .case_list ul {
    width: 90%;
    margin: 0 auto;
    margin-bottom: 50px;
  }
}
@media screen and (max-width: 968px) {
  .case_list ul {
    grid-template-columns: repeat(2, 49%);
    grid-row-gap: 20px;
  }
}
@media screen and (max-width: 520px) {
  .case_banner .gm {
    text-align: center;
  }
  .case .gm {
    margin: 30px 0;
  }
  .case .case_list ul {
    margin-bottom: 20px;
  }
	.case_banner h1{font-size: 28px;margin-bottom: 5px;}
	.case_banner p{font-size: 18px;}
	.case_banner{background-size: cover;height: 230px;}
	.case_menu header nav ul li{height: auto!important;}
}