#title {
    /* height: 200px; */
    /* background-image: url(/images/contact_1.png); */
    background-repeat: no-repeat;
    background-size: cover contain;
    background-position: left center;
}


.banner {
    position: relative;
    background-image: url(/static/images/contact/contact.jpg);
    height: 40vh;
    background-position: top right;
}

.banner>h1 {
    position: absolute;
    bottom: 0px;
    left: 0px;
    margin: 0;
    padding: 40px 120px;
    font-size: 3rem;
    letter-spacing: 1rem;
    color: #ffffff;
    background-color: rgba(0, 0, 0, .2);
}

.big {
    display: block;
    font-size: 3rem;
    letter-spacing: 0px;
    font-weight: normal;
    color: #222;
    transition: .5s;
}

.big:hover {
    color: #000;
}

.label {
    color: rgb(20, 114, 255);
    font-size: 1.5rem;
    letter-spacing: 4px;
    font-weight: bold;
    margin-bottom: 2rem;
}


.container {
    margin-top: 20px;
}

main img {
    display: block;
    width: 300px;
}

.qyweixin_button {
    display: block;
    padding: 16px 24px;
    margin: 16px 0px;
    background-color: #ffffff;
    border-radius: 8px;
    border: solid 1px #2985dd;
    color: #327fce;
    font-size: 1rem;
    font-weight: normal;
    letter-spacing: 1px;
    text-align: center;
    max-width: 300px;
}

.normal_text {
    color: #666;
    font-size: 1rem;
    font-weight: normal;
    letter-spacing: normal;
    padding: 4px 0rem;
}

@media screen and (max-width : 800px) {
    .container {
        width: 90%;
        margin: 0 auto;
        margin-top: 20px;
    }

    .banner>h1 {
        font-size: 2rem;
        letter-spacing: 0px;
        padding: 2rem 4rem;
    }

    .big {
        font-size: 1.5rem;
    }

    .label {
        letter-spacing: 2px;
    }
}