* {
    margin: 0;
    padding: 0;
    text-decoration: none;
    font-family: "微软雅黑";
}

input,
select {
    border: 0;
    outline: none;
    background-color: rgba(0, 0, 0, 0);
}

body {
    background: #0E2B96;
}

button {
    background: none;
    border: none;
}

.nav {
    width: 1400px;
    margin: 0 auto;
    overflow: hidden;
    height: 63px;
}

.nav a {
    display: inline-block;
    line-height: 63px;
    color: #FFFFFF;
    font-size: 16px;
    margin-right: 65px;
}

.nav a.active {
    position: relative;
    font-weight: bold;
}

.nav a.active span {
    position: absolute;
    width: 100%;
    height: 4px;
    background: linear-gradient(297deg, rgba(253, 195, 147, 0.61) 0%, #FA905A 100%);
    bottom: 12px;
    left: 0;
}