html,body {
  margin: 0;
  padding: 0;
}
.max-body {
  width: 80%;
  max-width: 1600px;
  min-width: 900px;
  margin: 0 auto;
  height: 100%;
}
.header-container {
  background-color: rgb(73 96 179);
  color: white;
  height: 80px;
}
.header-container .header-logo {
  font-size: 20px;
  font-weight: bold;
  display: flex;
  align-items: center;
}
.header-container .header-logo img {
  width: 30px;
  display: block;
  margin-right: 10px;
}
.header-container .max-body {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-container .header-login-box {
  display: flex;
  align-items: center;
}
.header-container .header-login {
  padding: 2px 14px;
  background-color: #fff;
  border-radius: 20px;
  color: #4344A4;
  cursor: pointer;
  margin-left: 2em;
}
.header-container .header-register {
  padding: 2px 14px;
  border-radius: 20px;
  border: 1px solid white;
  cursor: pointer;
}
.header-container .header-login-box .shu-line {
  height: 30px;
  width: 1px;
  background-color: white;
  margin: 0 20px;
}
.header-container .header-login-box .header_menu_item {
  margin: 1.2em 1.2em 1.2em 1.2em;
  padding-top: 1em;
  padding-bottom: 1em;
}
.header-container .header-login-box .header_menu_item:hover {
  margin: 0 1.2em;
  border-bottom: 2px solid white;
  cursor: pointer;
}
.banner-container {
  height: 60vw;
  max-height: 80vh;
  background: url('./new_bg.png');
  background-position: center center;
  background-size: cover;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
}
.banner-container .shallow {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 10vw;
  background: linear-gradient(#747bff, rgba(0,0,0,0));
}
.banner-container .slogin {
  position: absolute;
  top: 50%;
  margin-top: -2vw;
  font-size: 4vw;
  line-height: 1;
  font-weight: bold;
  color: #fff;
}

.banner-container .tjbutton {
  position: absolute;
  bottom: 24%;
  font-size: 1.6vw;
  font-weight: normal;
  padding: 0.5em 3em;
  border: 1px solid #fff;
  cursor: pointer;
  background-color: #fff;
  color: #263CAE;
}

.content-container {
  margin-top: 5em;
}

.content-container .platform {
  width: 1100px;
  display: flex;
  justify-content: space-between;
  margin: 0 auto;
  padding-bottom: 40px;
  margin-bottom: 2em;
}
.content-container .platform .text-box {
  width: 750px;
  border: 1px solid #131F5C;
  border-radius: 20px;
  padding: 40px;
  color: #4E4E4E;
  line-height: 60px;
  padding-right: 70px;
}
.content-container .platform .right-box {
  width: 300px;
  position: relative;
}
.content-container .platform .right-box .title {
  padding: 10px 20px;
  background-color: #263CAE;
  color: #fff;
  font-size: 30px;
  position: absolute;
  top: 0;
  right: 0;
}
.content-container .platform .right-box .img-box img {
  width: 320px;
  position: absolute;
  top: 100px;
  right: 0;
}

.mediate-container {
  background: #F5F5F5;
  padding-top: 40px;
  padding-bottom: 40px;
}
.content-container .mediate-center .title {
  padding: 10px 20px;
  background-color: #263CAE;
  color: #fff;
  font-size: 30px;
  width: 200px;
  margin-bottom: 30px;
}
.content-container .mediate-center .card-list {
  display: grid;
  grid-template-columns: repeat(5, calc(20%));
  grid-column-gap: 20px;
  grid-row-gap: 10px;
}
.content-container .mediate-center .card-box {
  padding: 16px;
  background: #fff;
}
.content-container .mediate-center .card-list .card-img {
  width: 100%;
  height: 170px;
  display: block;
  object-fit: contain;
}
.content-container .mediate-center .card-list .card-title {
  text-align: center;
  background-color: #263CAE;
  color: #fff;
  font-size: 14px;
  padding: 4px;
  line-height: 27px;
  height: 27px;
  overflow: hidden;
}
.content-container .mediate-center .card-list .card-text {
  padding-top: 20px;
  padding-bottom: 8px;
  font-size: 12px;
  color: #666666;
  line-height: 22px;
  text-indent: 24px;
}

.login-menu-box {
  position: absolute;
  top: 0;
  right: 0;
  background-color: #fff;
  width: 120px;
  display: none;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 6px 10px -6px rgba(0, 36, 100, 0.8);
}
.login-menu-box .login-menu-item {
  height: 36px;
  border-bottom: 1px solid #E5E5E5;
  line-height: 36px;
  padding: 4px 20px;
  cursor: pointer;
}
.login-menu-box .login-menu-item:hover {
  background-color: #F5F5F5;
}
.login-menu-box .login-menu-item:last-child {
  border-bottom: none;
}
.login-menu-box:focus,.login-menu-box:focus-visible {
  outline: none;
}

.card-link {
  color:rgba(4, 6, 50, 0.66);
  font-size: 14px;
  font-weight: bold;
  display: flex;
  justify-content: end;
  margin: 2em auto;
}

.card-link a {
  text-decoration: none;
}

.footer-container {
  background-color: rgba(33, 33, 33, 1);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.footer-container a {
  color: #FFF;
  text-decoration: none;
}

.foot-card-container {
  width: 90%;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
}