@media (min-width: 450px){/* 顶部导航条 start*/
.page_header {
    height: 88px;
    background-color: rgb(255, 255, 255);
    box-shadow: 0px 5px 30px rgba(170, 170, 170, 0.349019607843137);
    position: fixed;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1;
}
.left {
    height: 88px;
    width: 300px;
}
.right {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    font-family: "微软雅黑", sans-serif;
    font-weight: 400;
    font-size: 18px;
    line-height: 27px;
    text-align: center;
    box-sizing: border-box;
    width: 724px;
}
.logo_img {
    border-width: 0px;
    position: absolute;
    left: 24px;
    top: 23px;
    width: 42px;
    height: 42px;
}
.name {
    position: absolute;
    padding: 0 4px;
    left: 80px;
    top: 11px;
    width: 220px;
    height: 64px;
    font-family: "时尚中黑简体", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 36px;
    line-height: 64px;
}
.right_nav {
    position: relative;
    text-align: center;
    line-height: 80px;
    height: 80px;
    padding: 0px 15px;
}
.right_nav_button {
    margin: 14px;
    background-color: rgba(58, 99, 243, 1);
    border-width: 0px;
    width: 140px;
    height: 40px;
    line-height: 40px;
    font-family: "微软雅黑", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 14px;
    color: #fff;
    border-radius: 5px;
}
a {
    text-decoration: none;  /* 删除下划线 */
    color: inherit;  /* 继承父级元素的文本颜色 */
    font-weight: inherit;  /* 继承父级元素的字体粗细 */
    font-style: inherit;  /* 继承父级元素的字体样式 */
  }
body {
    height: 1398px;
    display: flex;
}
/* 顶部导航条 end */

/* 页面主体 start*/
.page_content {
    position: relative;
    height: 828px;
    top: 88px;
    width: 5000vw;
    background-color: rgba(242, 248, 254, 1);
}
.page_type_area {
    width: 1070px;
    margin: 0 auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}
.u1 {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    position: relative;
    top: 50px;
    height: 142px;
    font-family: "微软雅黑", sans-serif;
}
.text1 {
    font-size: 28px;
    color: rgb(51, 51, 51);
    font-weight: 400;
    padding: 2.5px;
}
.text2 {
    font-weight: 700;
    color: #3a63f3;
    font-size: 48px;
    padding: 4px;
}
.text3 {
    font-weight: 400;
    color: #888888;
    font-size: 18px;
}
.iframe{
    position: absolute;
    top: 236px;
    width: 1070px;
    height: 545px;
    border: 0;
}
.page_type_area2 {
    position: relative;
    width:1070px;
    margin: 0 auto;
    height: 285px;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
}
.item {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
    width: 300px;
    height: 285px;
}

.item_img1 {
    /* position: absolute;
    left: 115px;
    top: 50px; */
    width: 114px;
    height: 100px;
}
.item_img2 {
    /* position: absolute;
    left: 473px;
    top: 50px; */
    width: 128px;
    height: 100px;
}
.item_img3 {
    /* position: absolute;
    left: 716px;
    top: 50px; */
    width: 333px;
    height: 100px;
}
.item_font1 {
    color: rgb(51, 51, 51);
    font-family: "微软雅黑 Bold", "微软雅黑", sans-serif;
    font-weight: 700;
    font-size: 20px;
}
.item_font2 {
    font-family: "微软雅黑", sans-serif;
    font-weight: 400;
    font-size: 13px;
}
ul{
    list-style: none;
}
/* 页面主体 end*/
/* 页脚 start */
.page_footer {
    height: 285px;
    width: 100%;
    background-color: #000;
    font-family: '微软雅黑', sans-serif;
    font-weight: 400;
    font-size: 12px;
    color: #AAAAAA;
}
.footer_content{
    position:absolute;
    top: 1160px;
    height: 153px;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
}
.Copyright{
    position: absolute;
    top: 1344px;
}
.footer_item{
    width: 150px;
    height: 157px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}
.footer_item_nav{
    height: 16px;
}
/* 页脚 end */
.beian-link {
    color:  #AAAAAA; 
}

.beian-link:hover {
    color: white; /* 鼠标悬停时的颜色 */
}

/* 下拉列表 start */
.ul_son{
    position: relative;
    font-size: 15px;
    right: 18px;
    bottom: 15px;
    text-align: center;
    line-height: 48px;
    width: 122px;
    padding: 4px;
    display: none;
}
.right_nav:hover .ul_son{
    display: block;
}
.li_son{
    background-color: rgba(255, 255, 255,0.95   );
}
.li_son:not(:active):hover,
.li_son:focus {
  background-color: #313139;
  color: #fff;
}
.li_son:focus,
.li_son:active {
  background-color: #1A1F24;
  outline: none;
}

.li_son::before {
  content: "";
  position: absolute;
  top: 5px;
  left: -10px;
  width: 5px;
  height: 80%;
  border-radius: 5px;
  opacity: 0;
}

.li_son:focus::before,
.li_son:active::before {
  opacity: 1;
}

.ul_son:hover > :not(.li_a:hover) {
  transition: 50ms;
  filter: blur(1px);
  transform: scale(0.95,0.95);
}
.dropdown{
    display: none;
}
}



@media (max-width: 450px) {
   .page_header {
    height: 58px;
    background-color: rgb(255, 255, 255);
    box-shadow: 0px .5px 3px rgba(170, 170, 170, 0.349019607843137);
    position: fixed;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1;
}
.left {
    height: 58px;
    width: 15px;
}
.right {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    font-family: "微软雅黑", sans-serif;
    font-weight: 400;
    font-size: 15px;
    line-height: 27px;
    text-align: center;
    box-sizing: border-box;
    width: 70%;
}
.logo_img {
    border-width: 0px;
    position: absolute;
    left: 17px;
    top: 14px;
    width: 32px;
    height: 32px;
}
.name {
    position: absolute;
    left: 63px;
    top: -2.5px;
    width: 220px;
    height: 58px;
    font-family: "时尚中黑简体", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 23px;
    line-height: 64px;
}
.right_nav {
    display: none;
}
.right_nav_button {
    /* margin: 14px;
    background-color: rgba(58, 99, 243, 1);
    border-width: 0px;
    width: 140px;
    height: 40px;
    line-height: 40px;
    font-family: "微软雅黑", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 14px;
    color: #fff;
    border-radius: 5px; */
    display: none;
}
.dropdown{
    position: absolute;
    height: 58px;
}
.menu_img{
    position: absolute;
    right: 17px;
    top: 14px;
    width: 32px;
    height: 32px;
}
li {
    float: left;
  }
  
  
  li a:hover, .dropdown:hover .dropbtn {
    
  }
  
  li.dropdown {
    display: inline-block;
  }
  
  .dropdown-content {
    display: none;
    position: absolute;
    top: 58px;
    right: 0px;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1;
  }
  
  .dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
    text-align: left;
  }
  
  .dropdown-content a:hover {background-color: #f1f1f1;}
  
  .dropdown:hover .dropdown-content {
    display: block;
  }
  a {
    text-decoration: none;  /* 删除下划线 */
    color: inherit;  /* 继承父级元素的文本颜色 */
    font-weight: inherit;  /* 继承父级元素的字体粗细 */
    font-style: inherit;  /* 继承父级元素的字体样式 */
  }
body {
    height: 1vh;

    display: flex;
}
/* 顶部导航条 end */

/* 页面主体 start*/
.page_content {
    position: relative;
    height: 828px;
    top: 58px;
    width: 1000vw;
    background-color: rgba(242, 248, 254, 1);
}
.page_type_area {
    width: 0.8vw;
    margin: 0 auto;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
}
.u1 {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    position: relative;
    top: 50px;
    height: 142px;
    font-family: "微软雅黑", sans-serif;
}
.text1 {
    font-size: 18px;
    color: rgb(51, 51, 51);
    font-weight: 400;
    padding: 2.5px;
}
.text2 {
    font-weight: 700;
    color: #3a63f3;
    font-size: 38px;
    padding: 4px;
}
.text3 {
    font-weight: 400;
    color: #888888;
    font-size: 14px;
}
.iframe{
    position: absolute;
    top: 236px;
    width: 92%;
    height: 545px;
    border: 0;
}
.page_type_area2 {
    position: relative;
    width: 0.8vw;
    margin: 0 auto;
    height: 855px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
}
.item {
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
    width: 50vw;
    height: 285px;
}
.item_content{
    width: 1vw;
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: flex-start;
}
.item_img1 {
    /* position: absolute;
    left: 115px;
    top: 50px; */
    width: 114px;
    height: 100px;
}
.item_img2 {
    /* position: absolute;
    left: 473px;
    top: 50px; */
    width: 128px;
    height: 100px;
}
.item_img3 {
    /* position: absolute;
    left: 716px;
    top: 50px; */
    width: 333px;
    height: 100px;
}
.item_font1 {
    color: rgb(51, 51, 51);
    font-family: "微软雅黑 Bold", "微软雅黑", sans-serif;
    font-weight: 700;
    font-size: 20px;
}
.item_font2 {
    font-family: "微软雅黑", sans-serif;
    font-weight: 400;
    font-size: 13px;
}
ul{
    list-style: none;
}
/* 页面主体 end*/
/* 页脚 start */
.page_footer {
    height: 440px;
    background-color: #000;
    font-family: '微软雅黑', sans-serif;
    font-weight: 400;
    font-size: 12px;
    color: #AAAAAA;
    display: flex;
    align-items: center;
}
.footer_content{
    position:absolute;
    left: 60px;
    top: 1730px;
    height: 153px;
    display: flex;
    justify-content: flex-start;
    align-content: flex-start; 
    flex-wrap: wrap;
}
.Copyright{
    position: absolute;
    left: 60px;
    top: 2031px;
}
.footer_item{
    width: 24%;
    height: 157px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}
.footer_content .footer_item:nth-child(5) {
    width: 40%;
  }
.footer_item_nav{
    height: 16px;
}
/* 页脚 end */
.beian-link {
    color:  #AAAAAA; 
}

.beian-link:hover {
    color: white; /* 鼠标悬停时的颜色 */
}

}