* {
    margin: 0;
    padding: 0;
}

html,
body {
    min-width: 1600px;
}

ul {
    list-style: none;
}

.clear {
    clear: both;
}

p {
    margin: 0;
}

a,
u {
    text-decoration: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.block {
    display: block;
}

.fz18 {
    font-size: 18px;
}

/*鼠标悬浮*/