* {
    margin: 0px;
    padding: 0px;
    list-style: none;
}

html,
body {
    width: 100%;
    height: 100%;
}

#box {
    width: 1360px;
    position: relative;
    margin: 0px auto;
}

#bg {
    position: absolute;
    top: 0px;
    left: 0px;
}

#cont {
    position: absolute;
    top: 0px;
    left: 0px;
}

.logo {
    width: 200px;
    position: relative;
    top: -30px;
}

.nav {
    position: absolute;
    top: 60px;
    display: flex;
    left: 200px;
}

a {
    color: #fff;
    text-decoration: none;
    font-size: 20px;
    font-weight: 500;
    margin-left: 40px;
    width: 100px;
    display: inline-block;
}
.nav {
    position: absolute;
    z-index: 1000;
}
.nav div {
    display: flex;
    margin-left: 500px;
}

.nav div a {
    width: 80px;
    margin: 0px;
    position: relative;
    z-index: 1000;
}

.dl {
    border: 1px solid #fff;
    text-align: center;
    border-radius: 4px;
}

.nav div .zc {
    position: relative;
    left: 10px;
    text-align: center;
    width: 60px;
    border-bottom: 1px solid #fff;
}

.allc {
    width: 1360px;
    height: 500px;
    /* background-color: red; */
}

#text {
    text-align: center;
    color: #fff;
    font-size: 60px;
    padding-top: 100px;
}

#ss {
    padding-top: 120px;
    text-align: center;
}

#ss input {
    width: 260px;
    height: 40px;
    padding-left: 10px;
    font-size: 18px;
    background-color: rgba(255, 255, 255, 0.485);
    border: 1px solid #fff;
    color: #fff;
}

#ss ::-webkit-input-placeholder {
    color: #fff;
}

#ss button {
    width: 160px;
    height: 44px;
    padding-left: 10px;
    font-size: 18px;
    background-color: rgba(0, 0, 255, 0.701);
    border: 1px solid rgba(0, 0, 255, 0.701);
    color: #fff;
    position: relative;
    top: 1px;
}

.butt {
    width: 100%;
    text-align: center;
    color: #fff;
    margin-top: 220px;
    line-height: 30px;
}