body {
    margin:0;
    padding:0
}
p{
    margin:0
}

.header{
    left:0px;
    top:0px;
    width:100%;
    height:70px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-bottom:.5px solid #e5e5e5;
    box-shadow:0 5px 5px -5px #e5e5e5;
    background:#ffffff;
}
.logo{
    margin-left: 5%;
    width:90%;
    display:flex;
}
.logo_div{
    margin-left:6px;
    height:44px;
    display:flex;
    flex-direction:column
}
.logo_name{
    opacity:1;
    font-family:SourceHanSerifCN-ExtraLight;
    font-size:20px;
    font-weight:250;
    letter-spacing:0em;
    color:#3d3d3d
}
.logo_name_chart{
    font-family:SourceHanSerifCN-ExtraLight;
    font-size:9px;
    font-weight:250;
    letter-spacing:.02em;
    color:#3d3d3d
}
.a1 {
    width: 220px;
    height: 35px;
    text-align: center;
    background-color: #11bbf2;
    border-radius: 15px;
    font-weight: 500;
    color: white;
    margin: 0 auto;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 5%;
}
.top-v {
    display: flex;
    background-color: #141821;
    box-sizing: border-box;
    justify-content: space-between;
    height: 450px
}
.v2 {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center
}