body {
    margin: 0px;
    padding: 0px;
    width: 100%;
    min-width: 1200px;
    position: relative;
}

ul,
li,
a {
    margin: 0px;
    padding: 0px;
    list-style: none;
    text-decoration: none;
}

.banner {
    display: block;
    width: 100%;
    height: auto;
}

header {
    width: 1200px;
    position: fixed;
    top: 0px;
    left: 0px;
    right: 0px;
    margin: 0 auto;
    background: rgba(231, 231, 231, 0.664);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header ul {
    display: flex;
    width: 50%;
    height: 85px;
    line-height: 85px;
    justify-content: space-around;
}

header ul li {
    padding: 0px 10px;
}

header ul li:hover {
    background: rgba(194, 194, 194, 0.322);
}

header ul li a {
    display: block;
    height: 100%;
    color: #000;
}

.total {
    width: 1200px;
    height: auto;
    display: flex;
    flex-wrap: wrap;
    margin: 30px auto 0px;
    align-items: center;
    justify-content: space-between;
}

.total .item {
    width: 30%;
    margin-bottom: 30px;
}

.total .item img {
    width: 30%;
    display: block;
    margin: 0 auto;
    height: auto;
}

.total .item div {
    text-align: center;
    color: #707070;
}

section.introduce {
    width: 1200px;
    height: auto;
    margin: 90px auto;
    display: flex;
    justify-content: space-between;
}

section.introduce .content {
    width: 50%;
}

section.introduce .content .title {
    color: rgb(255, 22, 22);
    font-size: 32px;
    margin-bottom: 30px;
}

section.introduce .content .title span {
    font-size: 18px;
    color: rgb(192, 192, 192);
}

section.introduce .content div.introduce {
    line-height: 38px;
}

footer {
    background: rgb(36, 36, 36);
    width: 100%;
    height: auto;
}

footer .content {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding: 30px 0px;
}

footer .content .left {
    margin-right: 40px;
}

footer .content .left .fonts {
    color: rgb(204, 204, 204);
    font-size: 20px;
}

footer .content .hrs {
    width: 1px;
    height: 80px;
    background-color: #fff;
}

footer .content .left .phone {
    font-size: 40px;
    color: rgb(255, 79, 79);
}

footer .content .right {
    padding: 0px 40px;
    font-size: 20px;
    color: rgb(204, 204, 204);
}

@media screen and (max-width: 1200px) {
    html {
        font-size: 18px;
    }
    body {
        min-width: auto;
        width: 100%;
    }
    .banner {
        width: 100%;
        height: auto;
    }
    .total {
        width: 100%;
    }
    header {
        width: 100%;
        position: relative;
    }
    header h1 {
        font-size: 0.85rem;
    }
    header ul li a {
        font-size: 0.5rem;
    }
    .total .item {
        width: 50%;
    }
    section.introduce {
        width: 100%;
        height: auto;
        flex-wrap: wrap;
        margin: 0px auto;
    }
    section.introduce img {
        width: 100%;
    }
    section.introduce .content {
        width: 100%;
        margin-bottom: 1rem;
        padding: 0.2rem 0.5rem;
    }
    section.introduce .content .introduce img {
        width: 100%;
        height: auto;
    }
    footer .content {
        width: 100%;
        flex-wrap: wrap;
    }
    footer .content .hrs {
        display: none;
    }
    footer .content .right {
        padding: 0px;
        font-size: 0.5rem;
        padding-left: 0.3rem;
    }
    footer .content .left {
        padding-left: 0.3rem;
    }
}