* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.w {
    width: 1240px;
    margin: 0 auto;
}

.tobar {
    height: 52px;
    background: #333;
}

.tobar ul {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 20px;
    font-size: 14px;
}

.tobar li {
    list-style: none;
}

.tobar a {
    color: #dcdcdc;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
}

.tobar a:hover {
    color: #fff;
}
.header {
    padding: 20px 0;
    border-bottom: 2px solid springgreen;
}