*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
a{
    text-decoration: none;
    color: inherit;
}
ul,li{list-style: none;}
body{
    background-color: #fff;
    color: #333;
}

header{ 
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
h1{
    font-size: 0;
}
h1>img{
    height: 104px;
}

h2 {
    text-align: center;
    font-size: 24px;
    color: #000;
    margin-top: 20px;
}

.search input{
    width: 150px;
    height: 30px;
    border-radius: 20px;
    color: #333;
    border: 1px solid #ccc;
    padding-left: 20px;
}
.search input::placeholder {
    color: #333333;
}
.nav_box{
    background-color: #1276e0;
    z-index: 99;
}
nav{
    width: 1200px;
    margin: 0 auto;
    display: flex;
}
nav li{
    flex: 1;
    position: relative;
}
nav a{ 
    height: 46px;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-weight: 700;
}
nav li ul{
     display: none;
z-index:99999;
}
nav li:hover a{ 
    background-color: #fff;
    color: #1276e0;
}
nav li:hover ul{ 
    display: block;
    position: absolute;
    top: 46px;
    left: 0;
    width: 100%;
    background-color: #FFF;

}
nav li ul li:hover a{ 
    border-bottom: 1px solid #1276e0;
}


footer{ 
    background-color: #305bc1;  
    padding: 33px 0;
}
.footer_info{
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer_info>img{
    height: 75px;
}
.footer_concat{
  
}
.footer_concat>li{ 
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    color: #fff;
    font-size: 14px;
}
.footer_concat>li>img{
    height: 14px;
    height: 14px;
    margin-right: 10px; 
}
.footer_qrcode{
    display: flex;
    gap: 20px;
    color: #fff;
    font-size: 12px;
    text-align: center;
}

.footer_qrcode img{
    width: 75px;
    height: 75px;
    margin-bottom: 5px;
    cursor: pointer;
}
.footer_copy{
    text-align: center;
    border-top: 1px solid #ccc;
    margin-top: 20px;
    padding-top: 20px;
    font-size: 12px; 
    color: #fff;
}

.qrcode_popup{
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    display: none;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, .2);
}
.qrcode_popup>div{ 
    width: 400px;
    background-color: #fff;
    padding: 20px 10px;
    box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .1);
    border-radius: 5px;
    text-align: center;
    font-weight: 700;
    font-size: 24px;
}
.qrcode_popup>div>img{ 
    width: 100%;
    margin-top: 20px;
}