* {
    margin: 0;
    padding: 0;
}

a {
    color: inherit;
    text-decoration: none;
}

#app {
    padding-left: 5px;
    padding-right: 5px;
}

.daohang {
    display: flex;
    flex-direction: row;
    padding-top: 10px;
    padding-bottom: 5px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #333;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);

}

.lanmu {
    margin-left: 10px;
    font-size: 16px;
    color: rgb(138, 136, 134);

}

.xiahuaxian {
    border-bottom: 2px solid rgb(241, 74, 74);
    font-size: 18px;
    font-weight: 500;
    color: rgb(255, 255, 255);
}