* {
    margin: 0;
    pad: 0;
}

.top-1 {
    height: 30px;
}

.now-position {
    width: 1200px;
    height: 50px;
}

.list {
    width: 1200px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}

.list-content {
    width: 1200px;
}

.list-nav span {
    font-weight: 700;
    font-size: 20px;
}