@media (min-width: 1024px) {
    .footer {
        font-size: 12px;
    }
}

@media (min-width: 1100px) {
    .footer {
        font-size: 12px;
    }
}

@media (min-width: 1280px) {
    .footer {
        font-size: 14px;
    }
}

@media (min-width: 1366px) {
    .footer {
        font-size: 15px;
    }
}
@media (min-width: 1440px) {
    .footer {
        font-size: 16px;
    }
}


* {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

/* 第一部分 */
.head {
    position: relative;
    width: 100%;
}

.bgc {
    width: 100%;
}

.logo {
    position: absolute;
    width: 13%;
    height: 83px;
    background: url(../image/logo-head.png) no-repeat;
    background-size: contain;
    top: 40px;
    left: 11%;
}

.nav {
    width: 60%;
    height: 50px;
    position: absolute;
    top: 40px;
    right: 5%;
    display: flex;
}

.nav div {
    flex: 1;
    text-align: center;
    margin-right: 2%;
    line-height: 50px;
    color: #fff;
}

.nav div:hover {
    background-color: #5294FF;
}

/* 第二部分 产品列表部分 */
.divst {
    position: relative;
    width: 100%;
    height: 50px;
    /* background-color: red; */
    border-bottom: 1px solid #ccc;
}

.divst div {
    float: left;
    margin-right: 3%;
    line-height: 50px;
}

.divst div:nth-child(1) {
    margin-left: 3%;
}

.divst div:hover {
    color: #5294FF;
    border-bottom: 2px solid #5294FF;
}

.chan {
    color: #5294FF;
}

.r {
    float: right;
    margin-right: 3%;
    color: #707070;
    line-height: 50px;
}
    /* 第四部分 尾部 */
    .footer {
        background-color: #1B1B1B;
        display: inline-block;
        width: 100%;
        height: 492px;
        position: relative;
        background: url(../image/footer.png) no-repeat;
        color: #fff;
    }

    .footer a:hover {
        color: #5294FF;
    }

    .b-logo {
        width: 15%;
        position: absolute;
        left: 5%;
        top: 18%;
    }

    .rela {
        /* width: 7%; */
        position: absolute;
        left: 23%;
        top: 10%;
    }

    .ti {
        width: 50%;
        position: absolute;
        top: 20%;
        left: 23%;
    }

    .ti a,
    .func a {
        margin-right: 3%;
        color: #fff;
        text-align: left;
    }

    .prod-c {
        position: absolute;
        top: 30%;
        left: 23%;
    }

    .fo-t {
        height: 234.5px;
    }

    .fo-b {
        height: 185.5px;
    }

    .func {
        position: absolute;
        top: 40%;
        left: 23%;
        width: 75%;
    }

    hr {
        position: absolute;
        top: 50%;
        left: 5%;
        width: 90%;
    }

    .ewm {
        position: absolute;
        right: 5%;
        top: 10%;
    }
    .ewm-f {
        position: absolute;
        top: 35%;
        right: 6%;
        text-align: center;
    }

    .f1 {
        width: 25%;
        position: absolute;
        left: 6%;
        top: 65%;
    }

    .f2 {
        width: 30%;
        position: absolute;
        top: 65%;

        left: 33%;
    }

    .f3 {
        width: 30%;
        position: absolute;
        top: 65%;
        right: 6%;
    }

    .ass {
        width: 100%;
        height: 72px;
        background-color: #1B1B1B;
        position: relative;
        /* bottom: 0; */
    }

    .ass div {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }