.bottomsss {
    position: fixed;
    bottom: 0;
    width: 100%;
    background-color: #ff9c01;
    padding: 30px;
    display: flex;
    border-radius: 10px;
    z-index: 1000; /* 确保在其他内容之上 */
}

.bottomsss-nav h2 {
    font-size: 15px;
    color: #000;
}
.email {
    display: flex;
    margin-left: 50%;
    margin-top: 30px;
}
.email-pic{
    width: 50px;
    height: auto;
    margin-right: 10px;
}


  
.header-text{
    text-align: center;
    padding-top: 200px;
    /* margin-bottom: 50px; */
    
}
.header-text-title{
    font-size: 2.5rem;
    font-weight: 700;
    color: #010208;
    position: relative;
    display: inline-block;
    /* margin-bottom: 10px; */
    letter-spacing: 5px;
}
.header-text-title::after{
            content: "";
            position: absolute;
            width: 0%;
            height: 5px;
            background-color: #ff9c01;
            bottom: -5px; /* 调整此值以改变线条与文字的距离 */
            left: 0;
            transition: width 0.3s ease;
            margin-top: 3px;
}

.header-text-title:hover::after{
    width: 100%;
}
.set-background {
    background-image: url('../images/banner.png');
    height: auto;

}
.mb-4{
    color: #fff;
}