html {
    font-size: 16px;
}
body {
    width: 100%;
    height: 100VH;
    margin: 0;
    padding: 0;
    /* background-image: url(../imgs/bg.png);
    background-size: 100% 100%;
    background-repeat: no-repeat; */
}
a {
    text-decoration: none;
    cursor: pointer;
}
.head_bg{
    width: 120%;
    height: 6rem;
    background-color: #C90000;
    border-radius: 0 0 100% 100%;
    position: relative;
    left: -10%;
}
.head_pic{
    position: relative;
    left: 39%;
    top: 1.5rem;
    display: block;
    padding: 0.2rem 0.2rem 0.08rem 0.2rem;
    border: #fff 0.1rem solid;
    border-radius: 50%;
    width: 2rem;
    height: 2.1rem;

}
.head_txt{
    color: #fff;
    font-size: 0.5rem;
    text-align: center;
    position: relative;
    top: 1.8rem;
}
.btnBox {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 0.48rem;
}
.tip_box{
    width: 100%;
    margin-bottom: 0.7rem;
    margin-left: 1rem;
    font-weight: bold;
}
.arrow{
    width: 1.5rem;
    position: relative;
    top: 0.5rem;
}
.btn {
    display: block;
    width: 6.13rem;
    height: 1.2rem;
    line-height: 1.2rem;
    text-align: center;
    color: #fff;
    font-family: '幼圆';
    border-radius: 5px;
    margin-bottom: 50px;
    background-color: #C90000;
    box-shadow: 5px 5px 5px rgba(30,30,30,0.3);
}

.modal{
    width: 100%;
    height: 100%;
    position: absolute;
    top:0;
    left:0;
    background: rgba(0,0,0,.8);
    z-index: 999;
    text-align: center;
    font-size: 20px;
    display: none;
    color: #ffffff;
}