* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
li {
  list-style: none;
}
a {
  text-decoration: none;
}
@font-face {
  font-family: SourceHanSerifCN;
  src: url(../font/SourceHanSerifCN-Bold.otf);
}
@font-face {
  font-family: eryaxindahei;
  src: url(../font/尔雅新大黑-Light_爱给网_aigei_com.ttf);
}
@media screen and (min-width: 769px) {
  .container {
    width: 1440px;
    margin: 0 auto;
  }
}
@media screen and (min-width: 769px) {
  .box .container {
    width: 1440px;
    margin: 0 auto;
  }
  .box .Top .nav {
    display: flex;
    align-items: flex-end;
    justify-content: center;
  }
  .box .Top .nav ul {
    display: flex;
    align-items: center;
    flex: 1;
    padding: 0 45px;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }
  .box .Top .nav ul li {
    min-width: 10%;
    padding: 92px 1% 21px;
    text-align: center;
  }
  .box .Top .nav ul li a {
    font-size: 16px;
    line-height: 16px;
    color: #ffffff;
  }
  .box .Top .nav ul li:hover {
    background-color: #94211e;
  }
  .box .Top .nav .topTitle {
    width: 418px;
    height: auto;
    margin: 0 57px;
    margin-bottom: -20px;
  }
  .box .Top .menu {
    display: none;
  }
  .box .Top .down {
    position: absolute;
    bottom: 5vh;
    left: 50%;
    transform: translate(-50%);
  }
}
@media screen and (max-width: 769px) {
  .box .container {
    width: 95%;
    margin: 0 auto;
  }
  .box .Top .nav {
    padding-top: 75px;
    position: relative;
  }
  .box .Top .nav ul {
    display: none;
  }
  .box .Top .nav .menu {
    width: 100%;
    height: auto;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 99;
  }
  .box .Top .nav .menu .open-menu {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 20px;
    height: 20px;
    display: block;
    background-color: #fff;
  }
  .box .Top .nav .menu .menus {
    width: 100%;
    height: auto;
    display: none;
  }
  .box .Top .nav .menu .menus .title {
    width: 100%;
    height: 50px;
    border-bottom: 1px solid #dadada;
    padding: 7px 10px;
    background-color: #fff;
  }
  .box .Top .nav .menu .menus .title .close-menu {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 20px;
    height: 20px;
  }
  .box .Top .nav .menu .menus .title .logo-yd {
    display: block;
    width: 217px;
    height: auto;
  }
  .box .Top .nav .menu .menus .nav-yd {
    width: 100%;
    height: calc(100vh - 50px);
    padding: 0 0 20px 0;
    background-color: #fff;
    overflow-y: scroll;
    display: block;
  }
  .box .Top .nav .menu .menus .nav-yd li {
    width: 100%;
    height: 68px;
  }
  .box .Top .nav .menu .menus .nav-yd li a {
    font-size: 19px;
    line-height: 68px;
    color: #000000;
    padding-left: 35px;
    font-family: MicrosoftYaHei;
  }
  .box .Top .nav .menu .menus .nav-yd li a select {
    width: 100%;
    height: 100%;
  }
  .box .Top .nav .menu .menus .nav-yd li.list {
    height: auto;
  }
  .box .Top .nav .menu .menus .nav-yd li.list button {
    width: 100%;
    height: 68px;
    background-color: transparent;
    text-align: left;
    font-size: 19px;
    line-height: 68px;
    color: #000000;
    border: none;
    outline: none;
    padding-left: 35px;
  }
  .box .Top .nav .menu .menus .nav-yd li.list .menu-list {
    padding-left: 20px;
  }
  .box .Top .nav .menu .menus .nav-yd li.list .menu-list div {
    width: 100%;
    height: 50px;
  }
  .box .Top .nav .menu .menus .nav-yd li.list .menu-list div a {
    font-size: 18px;
    line-height: 50px;
  }
  .box .Top .nav .menu .menus .nav-yd li:hover {
    background-color: #94211e;
  }
  .box .Top .nav .menu .menus .nav-yd li:hover a {
    color: #fff;
  }
  .box .Top .nav .menu .menus .nav-yd li:hover .menu-list {
    background-color: #fff;
  }
  .box .Top .nav .topTitle {
    width: 80%;
    height: auto;
    margin: 0 auto;
  }
  .box .Top .down {
    width: 20px;
    height: auto;
    position: absolute;
    bottom: 1.5vh;
    left: 50%;
    transform: translate(-50%);
  }
}