@media screen and (max-width: 1800px) {
  .el-menu-item {
    font-size: 20px;
  }
  .el-submenu__title {
    font-size: 20px;
  }
  .el-menu--collapse .el-menu .el-submenu,
  .el-menu--popup {
    min-width: 140px;
  }
  .el-menu--horizontal .el-menu .el-menu-item,
  .el-menu--horizontal .el-menu .el-submenu__title {
    color: white;
    padding: 0 20px;
    font-size: 16px;
    margin: 16px auto;
  }
  .title1 {
    width: 80%;
    font-size: 16px;
  }
}
@media screen and (max-width: 1700px) {
  body,
  html {
  width: 100vw;
  background: url("../img/bg.jpg"), url("../img/31.png") no-repeat;
  background-color: #fcf8e0;
  background-position: 100% 100%, 50% 44%;
  overflow-x: hidden;
}
  .index_1,
  .index_3,
  .index_5,
  .index_7 {
    height: 70%;
  }
  .index_2,
  .index_4,
  .index_6,
  .index_8 {
    height: 80%;
  }
  .smallbox1_inner,
  .smallbox2_inner,
  .smallbox3_inner,
  .smallbox4_inner {
    height: 60%;
  }
  .smallbox4_inner :nth-child(3){
    font-size: 25px;
  }
  .smallbox2_inner :nth-child(3){
    font-size: 25px;
  }
  .smallbox1_inner :nth-child(3){
    font-size: 25px;
  }
  .smallbox1_inner :nth-child(4){
    font-size: 25px;
  }
  .smallbox3_inner :nth-child(3){
    font-size: 25px;
  }
  .firstcontent_pc {
    height: 800px;
  }
  .left_content .title_cn {
    font-size: 25px;
  }
  .left_content .title_en {
    font-size: 20px;
  }
  .left_content .bigtitle_cn {
    font-size: 60px;
  }
  .left_content .bigtitle_en {
    font-size: 30px;
  }
  .left_content .textcontent {
    font-size: 16px;
    line-height: 30px;
    letter-spacing: 2px;
    margin-top: 50px;
  }
  .secondcontent_pc .goldbg1 {
    width: 25%;
    left: 20.8%;
    height: 26.5%;
    top: 11%;
  }

  .secondcontent_pc .goldbg2 {
    width: 25%;
    right: 13%;
    height: 26.5%;
    top: 56%;
  }

  .secondcontent_pc .introduction1 {
    width: 25.3%;
    left: 30%;
    top: 16%;
    opacity: 0;
  }
  .secondcontent_pc .introduction2 {
    width: 22%;
    display: flex;
    right: 25%;
    top: 65%;
    opacity: 0;
  }
  .title1 {
    width: 100%;
    font-size: 16px;
  }
  .title2 {
    font-size: 25px;
    font-family: STKaiti;
    font-weight: 400;
    color: #ffffff;
    opacity: 1;
  }
  .title3 {
    text-align: center;
    width: 80%;
    font-size: 16px;
  }
  .title5 {
    width: 100%;
    font-size: 14px;
    line-height: 22px;
  }
  .title6 {
    width: 100%;
    font-size: 16px;
  }
  .title7 {
    font-size: 25px;
    font-family: STKaiti;
    font-weight: 400;
    color: #ffffff;
    opacity: 1;
  }
  .title8 {
    text-align: center;
    width: 90%;
    font-size: 16px;
    font-family: STKaiti;
    font-weight: 400;
    color: #ffffff;
    line-height: 30px;
    opacity: 1;
  }
  .title10 {
    width: 100%;
    font-size: 14px;
    line-height: 22px;
  }
  .secondcontent_pc .china2{
    top: 50%;
  }
  .secondcontent_pc .button1 {
    top: 15%;
    font-size: 20px;
    left: 38%;
    text-align: center;
  }
  .secondcontent_pc .button2 {
    top: 61%;
    font-size: 20px;
    right: 30%;
  }
  .closebtn1 {
    top: 33%;
    left: 39%;
  }
  .closebtn2 {
    top: 78%;
  }
  .button3{
    top: 15%;
    font-size: 20px;
  }
  .tip1 {
    top: 11%;
    left: 50%;
  }
  .tip2 {
    top: 57%;
    right: 43%;
  }
  .tip3 {
    right: 25.5%;
  }
  .tip1 :nth-child(1){
    font-size: 35px;
  }
  .tip2 :nth-child(1){
    font-size: 35px;
  }
  .tip3 :nth-child(1){
    font-size: 35px;
  }
  .secondcontent_pc .clould1 {
    top: 25%;
  }
  .secondcontent_pc .clould2 {
    top: 70%;
  }
  .chinasheet {
    height: 345px;
  }
  .introduction3 .title1 {
    font-size: 16px;
  }
  .introduction3 .title2 {
    font-size: 25px;
  }
  .introduction3 .title3 {
    font-size: 16px;
  }
  .introduction3 .title5 {
    font-size: 14px;
  }
  .index2_inner :nth-child(1) {
    font-size: 22px;
    font-family: STKaiti;
    font-weight: 400;
    letter-spacing: 2px;
    color: #ffffff;
  }
  .index2_inner :nth-child(2) {
    width: 72%;
    /* margin-top: 20px; */
    /* height: 58px; */
    font-size: 20px;
    font-family: STKaiti;
    font-weight: 400;
    color: #ffffff;
  }
  .index2_inner :nth-child(3) {
    /* margin-top: 30px; */
    font-size: 14px;
    width: 72%;
    /* height: 448px; */
    font-family: Source Han Sans CN;
    font-weight: 300;
    line-height: 25px;
    color: #ffffff;
  }
  .index2_inner :nth-child(4) {
    width: 70%;
    font-size: 20px;
    font-family: STKaiti;
    font-weight: 400;
    color: #ffffff;
    text-align: start;
  }
  .titlecontent .innnercontent :nth-child(1) {
    font-size: 40px;
  }
  .titlecontent .innnercontent :nth-child(2) {
    font-size: 25px;
  }
}
@media screen and (max-width: 1250px) {
  body,
  html {
    background: url("../mobile_img/bgpic_m.jpg");
    background-size: 100% 100%;
    /* background-position:30% 100%; */
    background-color: #fcf8e0;
    overflow-x: hidden;
  }
  .duibi {
    margin-top: 10%;
    width: 100%;
    display: flex;
    justify-content: center;
    font-size: 16px;
    font-family: STKaiti;
    font-weight: 400;
    color: #b69164;
    text-align: center;
  }
  .duibi2 {
    width: 100%;
    display: flex;
    justify-content: center;
    font-size: 16px;
    font-family: STKaiti;
    font-weight: 400;
    color: #b69164;
  }
  .duibiicon{
   width: 100%;
   text-align: center;
  }
  .duibiicon img{
    width: 6%;

  }
  .headsheet {
    width: 100%;
    height: 44px;
    background: #eecd93;
    opacity: 1;
    display: flex;
    align-items: center;
  }
  .jiantou1,.jiantou2{
    display:none;
  }
  .bghw1 {
    width: 30%;
    position: absolute;
    right: 0;
    top: -30%;
  }
  .bghw2 {
    width: 30%;
    position: absolute;
    left: 0;
    top: -30%;
  }
  .bghw3 {
    width: 30%;
    position: absolute;
    right: 0;
    top: -120%;
  }
  .tohome {
    font-size: 14px;
    display: block;
  }
  .logo {
    display: none;
  }
  .logo_mobile {
    display: block;
    width: 23.2%;
    height: 54.5%;
    margin-left: 2.6%;
  }
  .logo_mobile img {
    width: 100%;
    height: 100%;
  }
  .head_right {
    height: 100%;
  }

  .navitem2 {
    font-size: 14px;
    display: block;
  }
  .el-menu-demo {
    display: none;
  }
  .firstcontent_pc {
    display: none;
  }
  .firstcontent_m {
    display: block;
    padding-top: 4%;
    width: 100%;
    height: 820px;
    background: url("../mobile_img/d1_1.jpg");
    background-size: 100% 100%;
  }
  .con_1 {
    width: 90%;
    margin: 0% auto;
    font-size: 16px;
    font-family: STKaiti;
    font-weight: 400;
    color: #ffffff;
  }
  .con_2 {
    font-size: 16px;
    font-family: STKaiti;
    font-weight: 400;
    color: #ffffff;
    width: 90%;
    margin: 0% auto;
  }
  .con_3 {
    font-size: 30px;
    font-family: STKaiti;
    font-weight: 400;
    color: #ffffff;
    width: 90%;
    margin: 0 auto;
    margin-top: 2%;
  }
  .con_4 {
    font-size: 20px;
    font-family: STKaiti;
    font-weight: 400;
    color: #ffffff;
    width: 95%;
    margin: 0% 5%;
  }
  .con_5 {
    width: 100%;
    height: 200px;
    position: relative;
  }
  .china_m,
  .clould_m {
    position: absolute;
  }
  .china_m {
    width: 61.5%;
    left: 0;
    right: 0;
    margin: 0 auto;
    top: 10%;
  }

  .clould_m {
    width: 90%;
    left: 0;
    right: 0;
    margin: 0 auto;
    top: 20%;
  }
  .con_6 {
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 300;
    line-height: 30px;
    color: #ffffff;
    width: 90%;
    margin: 0% auto;
    text-indent: 2em;
  }
  .chaaptertitle_1_m {
    display: flex;
    width: 100%;
    align-items: center;
    margin-top: 20px;
    justify-content: space-between;
  }
  .chaaptertitle_1_m :nth-child(2) {
    width: 70%;
    display: flex;
    justify-content: center;
    align-items: center;
  }
  .img1 {
    width: 10%;
  }
  .img2 {
    width: 10%;
  }
  .t_container {
    flex-direction: column;
  }
  .t1 {
    font-size: 22px;
    font-family: STKaiti;
    font-weight: 400;
    line-height: 29px;
    color: #b69164;
  }
  .t2 {
    font-size: 14px;
    font-family: STKaiti;
    font-weight: 400;
    line-height: 19px;
    color: #b69164;
  }
  .chaaptertitle_1_m > img {
    width: 20%;
  }
  .secondcontent_m {
    width: 100%;
    /* height: 50%; */
    display: block;
    position: relative;
  }
  .secondcontent_m_container {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 100px;
  }
  .juanzhoubg_m {
    width: 94%;
  }
  .bgbox {
    width: 100%;
    height: 20%;
    margin-top: 18%;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: absolute;
    animation: zhankai1 1s ease-in forwards;
    -webkit-animation: zhankai1 1s ease-in forwards;
  }
  .juanzhoubg_chang {
    width: 90%;
    height: 800px;
    margin: 0 auto;
    position: absolute;
    left: 0%;
    right: 0;
    top: -10px;
  }
  .juanzhou_h {
    width: 95%;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
  }
  .juanzhou_f {
    width: 95%;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
    z-index: 999;
  }
  .juanzhou_close {
    position: absolute;
    font-size: 16px;
    bottom:8%;
    font-family: STKaiti;
    font-weight: 400;
    line-height: 21px;
    color: #ffd778;
    opacity: 0;
    animation: zhankai2 2s 1s linear forwards;
    -webkit-animation: zhankai2 2s 1s linear forwards;
}
  .el-dialog__body {
    padding: 0;
    height: 100%;
    display: flex;
    justify-content: center;
    position: relative;
  }
  .el-dialog {
    height: 100vh;
    background: url("../mobile_img/弹窗1@2x.png");
    background-size: 100% 100%;
    margin: 0 !important;
  }
  .chinaintroduce_m {
    position: absolute;
    width: 80%;
    height: 100%;
    left: 0;
    right: 0;
    margin: 0 auto;
    /* margin-top: 20%; */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    z-index: 999;
    animation: zhankai2 1s 1s linear forwards;
    -webkit-animation: zhankai2 1s 1s linear forwards;
 
}
.chinaintroduce_m3 {
  position: absolute;
  width: 80%;
  height: 100%;
  left: 0;
  right: 0;
  margin: 0 auto;
  /* margin-top: 20%; */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  z-index: 999;
  animation: zhankai2 1s 1s linear forwards;
  -webkit-animation: zhankai2 1s 1s linear forwards;

}
  .child1 {
    font-size: 14px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: STKaiti;
    font-weight: 400;
    text-align: center;
    color: #fff;
    opacity: 0;
    animation: zhankai2 2s 0.5s linear forwards;
    -webkit-animation: zhankai2 2s 0.5s linear forwards;
  }
  .child2{
    font-size: 20px;
    width: 75%;
    font-family: STKaiti;
    font-weight: 400;
    text-align: center;
    color: #fff;
    opacity: 0;
    animation: zhankai2 2s 0.5s linear forwards;
    -webkit-animation: zhankai2 2s 0.5s linear forwards;
  }
  .huawen1{
    width: 5%;
  }
  .child3{
    font-size: 14px;
    font-family: STKaiti;
    display: flex;
    align-items: center;
    font-weight: 400;
    text-align: center;
    color: #fff;
    opacity: 0;
    animation: zhankai2 2s 0.5s linear forwards;
    -webkit-animation: zhankai2 2s 0.5s linear forwards;
  }
  .child4{
    font-size: 14px;
    font-family: STKaiti;
    font-weight: 400;
    display: flex;
    align-items: center;
    text-align: center;
    color: #fff;
    opacity: 0;
    animation: zhankai2 2s 0.5s linear forwards;
    -webkit-animation: zhankai2 2s 0.5s linear forwards;
  }
  .child6{
    height: 10px;
    text-align: center;
    display: flex;
    align-items: center;
  }
  .child6 img{
    width: 25px;
    height: 1px;
  }
  .child5{
    text-indent: 2em;
    width: 237px;
    /* height: 176px; */
    overflow: scroll;
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    line-height: 30px;
    color: #ffffff;
    opacity: 0;
    margin-top: 30%;
    margin-bottom: 1%;
    animation: zhankai2 2s 0.5s linear forwards;
    -webkit-animation: zhankai2 2s 0.5s linear forwards;
  }
  .s1{
    margin-top: 20%;
  }
  .child5::-webkit-scrollbar {
    display: none;
  }
  .china1_m {
    width: 43%;
    position: absolute;
    left: 0;
    right: 0;
    margin: 0 auto;
    top: -13%;
  }
  .china3_m {
    width: 60%;
    position: absolute;
    left: 0;
    right: 0;
    margin: 0 auto;
    top: -10%;
  }
  .china3_M {
    width: 60%;
    position: absolute;
    left: 0;
    right: 0;
    margin: 0 auto;
    top: 5%;
  }
  .button1_m {
    width: 50%;
    position: absolute;
    left: 0;
    right: 0;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    top: 45%;
  }
  .button2_m {
    width: 50%;
    position: absolute;
    left: 0;
    right: 0;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    top: 40%;
  }
  #line_m{
    width: 1px;
    height: 12%;
  }
  .leftarrow_m,
  .rightarrow_m {
    width: 15%;
  }
  .buttontext {
    width: 70%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-family: STKaiti;
    font-weight: 400;
    line-height: 21px;
    color: #ffffff;
  }
  .juanzhoutip_m {
    /* display: flex; */
    justify-content: center;
  }
  .juanzhoutip_m :nth-child(1) {
    font-size: 28px;
    font-family: STKaiti;
    font-weight: 400;
    text-align: center;
    color: #b69164;
  }
  .juanzhoutip_m :nth-child(2) {
    font-size: 14px;
    font-family: STKaiti;
    font-weight: 400;
    line-height: 26px;
    color: #b69164;
    text-align: center;
  }
  .juanzhoutip_m :nth-child(3) {
    font-size: 14px;
    font-family: STKaiti;
    font-weight: 400;
    line-height: 26px;
    color: #b69164;
    text-align: center;
  }
  .juanzhoutip_m :nth-child(4) {
    font-size: 14px;
    font-family: STKaiti;
    font-weight: 400;
    line-height: 26px;
    color: #b69164;
    text-align: center;
  }
  .special1_m {
    width: 86.5%;
    font-size: 28px;
    font-family: STKaiti;
    font-weight: 400;
    line-height: 36px;
    color: #b69164;
    margin: 0 auto;
  }
  .special2_m {
    top: -5%;
  }
  .youhua_m2 {
    display: block;
    width: 100%;
    height: 200px;
    margin-top: 5%;
  }
  .youhua_m2_con {
    width: 94.6%;
    height: 100%;
    margin: 0 auto;
    background: linear-gradient(270deg, #b8a07e 0%, #d0c6b5 50%, #b8a07e 100%);
    box-shadow: 3px 3px 12px rgba(0, 0, 0, 0.32);
    padding: 1%;
  }
  .youhua_m2_con img {
    width: 100%;
    height: 100%;
  }
  .lunbosheet_m {
    display: block;
    width: 100%;
    height: 300px;
    padding-top: 20px;
  }
  .lunbosheet_m .el-carousel__item--card.is-in-stage {
    width: 15% !important;
    transform: translateX(0) scale(1) !important;
    -webkit-transform: translateX(0) scale(1) !important;
    -moz-transform: translateX(0) scale(1) !important;
    -ms-transform: translateX(0) scale(1) !important;
    -o-transform: translateX(0) scale(1) !important;
  }
  .lunbosheet_m .el-carousel__item {
    background: linear-gradient(270deg, #b8a07e 0%, #d0c6b5 50%, #b8a07e 100%);
    box-shadow: 3px 3px 12px rgba(0, 0, 0, 0.24);
  }
  .lunbosheet_m .el-carousel--horizontal {
    overflow-x: initial;
  }
  .lunbosheet_m .el-carousel__item--card.is-active {
    width: 50% !important;
    transform: translateX(50%) scale(1) !important;
    -webkit-transform: translateX(50%) scale(1) !important;
    -moz-transform: translateX(50%) scale(1) !important;
    -ms-transform: translateX(50%) scale(1) !important;
    -o-transform: translateX(50%) scale(1) !important;
  }
  .carouseId_m_con1,
  .carouseId_m_con2,
  .carouseId_m_con3,
  .carouseId_m_con4 {
    width: 100%;
    display: block;
    height: 100%;
    text-align: center;
    background: linear-gradient(270deg, #b8a07e 0%, #d0c6b5 50%, #b8a07e 100%);
    box-shadow: 3px 3px 12px rgba(0, 0, 0, 0.24);
    padding: 1%;
    position: relative;
  }
  .sheetpic {
    width: 100%;
    height: 100%;
  }
  #second_m {
    left: 85%;
  }
  .carouseId_m_con4,
  .carouseId_m_con2 {
    display: none;
  }
  .hide_box {
    width: 100%;
    height: 100%;
    position: absolute;
    background: linear-gradient(270deg, #b8a07e 0%, #d0c6b5 50%, #b8a07e 100%);
    box-shadow: 3px 3px 12px rgba(0, 0, 0, 0.32);
    padding: 5%;
  }
  .hide_box img {
    width: 100%;
    height: 100%;
  }
  .pictip1 {
    width: 84%;
    font-size: 14px;
    font-family: STKaiti;
    font-weight: 400;
    line-height: 16px;
    color: #ffd778;
    position: absolute;
    z-index: 99;
    bottom: 15%;
    left: 0;
    right: 0;
    margin: 0 auto;
  }
  .pictip2 {
    width: 95%;
    font-size: 12px;
    font-family: STKaiti;
    font-weight: 400;
    line-height: 14px;
    color: #ffd778;
    position: absolute;
    z-index: 99;
    bottom: 2%;
    left: 0;
    right: 0;
    margin: 0 auto;
  }
  .special3_m {
    bottom: 20%;
  }
  .special4_m {
    bottom: 4%;
  }
  .special5_m {
    bottom: 6%;
  }

  .hide_tip {
    width: 100%;
    height: 100%;
    font-size: 14px;
    font-family: STKaiti;
    font-weight: 400;
    color: #ffffff;
    position: absolute;
    top: 0;
    left: 0;
    text-align: center;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
  }
  .special6_m {
    top: 19%;
  }
  .text_item1,.text_item2{
    width: 14px;
  }
  .line_text{
    display: flex;
  }
  .special8_m {
    top: 1%;
  }
  .special9_m {
    top: 5%;
  }
  .special10_m{
    margin-top: 25%;
  }
  .special11_m{
    margin-top: -20%;
  }
  .special12_m{
    bottom: -15%;
  }
  .special13_m{
    bottom: -1%;
  }
  .pagebox {
    margin-top: 20px;
  }

  .secondcontent_pc {
    display: none;
  }
  .chinasheet {
    display: none;
  }
  .chaptercontent {
    display: none;
  }
  .chaptertitle_1 {
    display: none;
  }
  .foottext {
    width: 70%;
    text-align: center;
    font-size: 12px;
  }
  .pagenum {
    display: flex;
    font-size: 12px;
  }
  .small {
    font-size: 14px;
    line-height: 4px;
  }
  .pagenum_pc{
    display: none;
  }
  .logoicon {
    display: none;
  }
  @keyframes zhankai1 {
    0% {
      height: 20%;
    }
    100% {
      height: 75%;
    }
  }
  @keyframes zhankai2 {
    0% {
      opacity: 0;
    }
    100% {
      opacity:1;
    }
  }
}