@charset "utf-8";

html,
body {
  overflow-x: hidden;
}

body,
.dd-page * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
}

body {
  margin: 0;
  padding: 0;
}

.dd-page a {
  text-decoration: none;
}

.dd-page img {
  border: 0;
  height: auto;
  font-size: 0;
  display: block;
}

.dd-page li {
  list-style: none;
}


.dd-page a {
  text-decoration: none;
  color: #333;
}

.dd-page {
  font-family: 'Microsoft YaHei', sans-serif;
  overflow: hidden;
  width: 1600px;
  position: relative;
  left: 50%;
  margin-left: -800px;
  line-height: 1.6;
  color: #333;
  background: #f8f8f8;
}

.dd-header {
  height: 600px;
  background: url(../images/banner.jpg) no-repeat;
  text-align: left;
  padding-top: 140px;
  background-position: center top;
}
.dd-header .dd-slogan{
  font-size: 72px;
  color: #fff;
  font-weight: bold;
  line-height: 1;
  text-shadow: 4px 4px 4px rgba(58, 14, 5, .75);
  letter-spacing: 8px;
}
.dd-container {
  width: 960px;
  margin: 0px auto;
}
.dd-body{
  padding-bottom: 80px;
}
.dd-part01{
  position: relative;
  padding: 60px 0;
}
.dd-public_title{
  text-align: center;
  font-size: 40px;
  font-weight: bold;
  line-height: 1;
  color: #183d88;
}
.dd-part01 .dd-intor{
  font-size: 20px;
  margin-top: 35px;
  text-indent: 2em;
  padding: 0 30px;
}
.dd-part02,
.dd-part03{
  background-color: #fff;
  border-radius: 25px;
  padding: 60px 40px;
}
.dd-part03{
  margin-top: 60px;
}
.dd-public_items{
  font-size: 0;
  margin: 0px -40px;
  margin-top: 30px;
}
.dd-part03 .dd-public_items{
  text-align: center;
}
.dd-public_item{
  width: 25%;
  display: inline-block;
  vertical-align: top;
  padding: 20px 10px;
}
.dd-public_item .dd-box{
  text-align: center;
}
.dd-part04{
  padding: 70px 0;
}
.dd-part04_mian{
  margin-top: 40px;
}
.dd-part04_mian .dd-pic{
  height: 201px;
  background: url(../images/pic_01.png) no-repeat;
  background-position: center center;
}
.dd-part04_mian .dd-items{
  font-size: 0;
  padding: 0px 15px;
}
.dd-part04_mian .dd-item{
  width: 30%;
  display: inline-block;
  vertical-align: top;
  padding: 20px 5px;
}
.dd-part04_mian .dd-item:nth-child(2){
  width: 35%;
}
.dd-part04_mian .dd-item:nth-child(3){
  width: 35%;
}
.dd-part04_mian .dd-item_box{
  padding-left: 80px;
  position: relative;
  font-size: 18px;
  text-align: justify;
  padding-top: 20px;
}
.dd-part04_mian .dd-item_box::before{
  width: 64px;
  height: 64px;
  background: url(../images/number_bg.png) no-repeat;
  line-height: 1;
  text-align: center;
  font-size: 30px;
  color: #335ccd;
  display: block;
  padding-top: 17px;
  position: absolute;
  left: 0;
  top: 0;
}
.dd-part04_mian .dd-item:nth-child(1) .dd-item_box::before{
  content: '1';
}
.dd-part04_mian .dd-item:nth-child(2) .dd-item_box::before{
  content: '2';
}
.dd-part04_mian .dd-item:nth-child(3) .dd-item_box::before{
  content: '3';
}
.dd-public_item .dd-box_icon{
   background-size: contain;
   background-repeat: no-repeat;
   height: 70px;
   background-position: center bottom;
}
.dd-public_item .dd-box_intor{
  font-size: 18px;
  margin-top: 20px;
}
.dd-part02_tips{
  font-size: 16px;
  font-weight: bold;
  line-height: 1;
  margin-top: 40px;
}
.dd-part05{
  text-align: center;
}
.dd-part05 a{
  display: inline-block;
  background-color: #d11a20;
  width: 188px;
  height: 50px;
  font-size: 22px;
  color: #fff;
  text-align: center;
  line-height: 50px;
  border-radius: 40px;
  position: relative;
}
.dd-part05 a::after{
  content: '\20';
  width: 11px;
  height: 13px;
  background: url(../images/arrow.png) no-repeat;
  position: absolute;
  right: 20px;
  top: 50%;
  margin-top: -6px;
}
.dd-float{
  width: 1600px;
  position: absolute;
  left: 50%;
  margin-left: -800px;
  padding-right: 195px;
  text-align: right;
  top: 660px;
  z-index: 1;
}
.dd-float.dd-active{
  position: fixed;
  top: 100px;
}
.dd-menuBox{
  width: 106px;
  display: inline-block;
  z-index: 5;
  position: relative;
}

.dd-menuBox_header{
  padding-top: 5px;
  position: relative;
}
.dd-menuBox_header::before{
  content: '\20';
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 5px;  
  background: url(../images/menu_top.png) no-repeat;
}
.dd-menuBox_header_bg{
  background-color: #0050af;
  border-bottom-left-radius: 3px;
  border-bottom-right-radius: 3px;
  padding: 6px 3px;
}
.dd-menuBox_header_text{
  background-color: #fff;
  border: 2px solid #1a76e3;
  color: #004db4;
  font-size: 20px;
  font-weight: bold;  
  text-align: center;
  border-radius: 1px;
  line-height: 1.2;
  padding: 3px 0;
}
.dd-menuBox_min{
  height: 2px;
  background: url(../images/menu_min.png) no-repeat;
}

.dd-menuBox_top{
  background-color: #00489f;
  border-bottom-left-radius: 5px;  
  border-bottom-right-radius: 5px;
  cursor: pointer;
  text-align: center;
  padding: 3px 0;
}
.dd-menuBox_top a{   
  text-align: center; 
  color: #fff;
  font-weight: bold;
  font-size: 16px;
}

@media screen and (max-width: 1200px) {
  .dd-float{
    width: 100%;
    position: absolute;
    left: 0;
    margin-left: 0;
    padding-right: 0;
  }
  .dd-page {
    width: 100%;
    left: 0;
    margin-left: 0;
  }
}
@media screen and (max-width: 1000px) {    
  .dd-header {
    height: 400px;
    background-size: cover;
    background-position: center center;
    padding-top: 60px;
  }
  .dd-header .dd-slogan{
    font-size: 52px;
    letter-spacing: 5px;
    padding-left: 5%;
  }
  .dd-container {
    width: 95%;
  }
  .dd-body{
    padding-bottom: 3em;
  }    
  .dd-part01{
    position: relative;
    padding: 40px 0;
  }
  .dd-public_title{
    font-size: 28px;
  }
  .dd-part01 .dd-intor{
    font-size: 16px;
    margin-top: 20px;
    padding: 0 20px;
  }
  .dd-part02,
  .dd-part03{
    padding: 30px 20px;
  }
  .dd-part03{
    margin-top: 30px;
  }
  .dd-public_items{
    margin: 0px -10px;
    margin-top: 20px;
  }
  .dd-public_item{
    padding: 10px 10px;
    width: 33.333333%;
  }  
  .dd-public_item .dd-box_icon{
    height: 50px;
  }
  .dd-public_item .dd-box_intor{
    font-size: 14px;
    margin-top: 15px;
  }
  .dd-part04{
    padding: 30px 0;
  }
  .dd-part04_mian{
    margin-top: 15px;
  }
  .dd-part04_mian .dd-pic{
    height: 0;
    padding-bottom: 20.9375%;
    background-size: contain;
  }
  .dd-part04_mian .dd-items{
    font-size: 0;
  }
  .dd-part04_mian .dd-item{
    width: 33.333333%;
    padding: 10px 20px;
    display: inline-block;
  }
  .dd-part04_mian .dd-item:nth-child(2),
  .dd-part04_mian .dd-item:nth-child(3){
    width: 33.333333%;
  }
  .dd-part04_mian .dd-item_box{
    padding-left: 0px;
    position: relative;
    font-size: 14px;
    text-align: justify;
    padding-top: 50px;
  }
  .dd-part04_mian .dd-item_box::before{
    width: 45px;
    height: 45px;
    background-size: contain;
    font-size: 20px;
    padding-top: 0;
    display: flex;
    line-height: 1;
    align-items: center;
    justify-content: center;
  }  
  .dd-part02_tips{
    font-size:14px;
    margin-top: 20px;
    line-height: 1.6;
  }
  .dd-part05 a{
    width: auto;
    height: auto;
    font-size: 18px;
    padding: 8px 15px;
    line-height: 1;
    border-radius: 30px;
    padding-right: 30px;
  }
  .dd-part05 a::after{
    content: '\20';
    width: 8px;
    height: 9px;
   background-size: contain;
    right: 12px;
    margin-top: 0;
    transform: translateY(-50%);
  }
  
  
 
  .dd-menuBox_header_text{
    border: 1px solid #1a76e3;
    font-size: 14px;
  }
  .dd-menuBox_top{
    font-size: 13px;
    cursor: pointer;
    padding: 2px 0;
  }
  
  .dd-float{
    top: 400px;
  }
  .dd-menuBox{
    width: 85px;
  }
  .dd-menuBox_header_bg{
    padding: 3px 2px;
  }
  .dd-menuBox_header_bg{
    padding: 3px 2px;
  }
  .dd-menuBox_header_text{
    border: 1px solid #1a76e3;
    font-size: 14px;
    padding: 2px 0;
  }
  .dd-menuBox_min{
    background-size: 100% 100%;
  }
  .dd-menuBox_top a{   
    font-size: 13px;
  }

}

@media screen and (max-width: 600px) { 
  .dd-header {
    height: 240px;
    padding-top: 40px;
  }
  .dd-header .dd-slogan{
    font-size: 32px;
  }
  .dd-part01{
    padding: 20px 0;
  }
  .dd-public_title{
    font-size: 18px;
  }
  .dd-part01 .dd-intor{
    font-size: 12px;
    margin-top: 10px;
    padding: 0 10px;
  }
  .dd-part02,
  .dd-part03{
    padding: 20px 10px;
  }
  .dd-part03{
    margin-top: 20px;
  }
  .dd-public_item{
    width: 50%;
  }  
  .dd-public_item .dd-box_icon{
    height: 40px;
  }
  .dd-public_item .dd-box_intor{
    font-size: 12px;
    margin-top: 10px;
  }
  .dd-part04{
    padding: 20px 0;
  }
  .dd-part04_mian{
    margin-top: 10px;
  }
  .dd-part04_mian .dd-item{
    padding: 10px 10px;
  }
  .dd-part04_mian .dd-item_box{
    font-size: 12px;
    text-align: justify;
    padding-top: 40px;
  }
  .dd-part04_mian .dd-item_box::before{
    width: 30px;
    height: 30px;
    font-size: 14px;
  }  
  .dd-part02_tips{
    font-size:12px;
    margin-top: 10px;
  }
  .dd-part05 a{
    width: auto;
    height: auto;
    font-size: 13px;
  }  

  .dd-float{
    top: 240px;
  }
  .dd-menuBox{
    width: 75px;
  }
  .dd-menuBox_header_bg{
    padding: 3px 2px;
  }
  .dd-menuBox_header_text{
    font-size: 12px;
  }
  .dd-menuBox_top a{   
    font-size: 10px;
  }
}