.contact_top {
    padding: 100px 0 110px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 100px;
}

.contact_top .one>div {
    padding-bottom: 25px;
    border-bottom: 1px solid #DDDDDD;
    margin-bottom: 50px;
}

.contact_top .one>div {
    font-family: SourceHanSansCN-Regular;
    color: #1F1F1F;
    text-transform: uppercase;
}

.contact_top .one>div .iconfont {
    color: #1F1F1F;
    font-weight: bold;
    margin-right: 10px;
}

.contact_top .one>div .icon-dianhua_1 {
    font-size: 20px;
}

.contact_top .one>div .icon-youxiang {
    font-size: 24px;
}

.contact_top .one>div .icon-daohangdizhi {
    font-size: 24px;
}

.contact_top .one p {
    font-family: SourceHanSansCN-Regular;
    color: #010101;
}

.contact_bottom {
    background: #F8F8F7;
}

.contact_bottom .container {
    display: flex;
    justify-content: space-between;
}

.contact_bottom .f22 {
    width: 40%;
}

.contact_bottom form {
    width: 46%;
}

.contact_bottom form .input {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    grid-gap: 45px;
}

.contact_bottom form .input input {
    border-bottom: 1px solid #DDDDDD;
    font-family: SourceHanSansCN-Regular;
    color: #1F1F1F;
    line-height: 34px;
}

.contact_bottom form .input input::placeholder {
    color: #1F1F1F;
}

.contact_bottom form textarea {
    width: 100%;
    border-bottom: 1px solid #DDDDDD;
    margin-top: 50px;
    resize: none;
    font-family: SourceHanSansCN-Regular;
    color: #1F1F1F;
    line-height: 34px;
    height: 150px;
}

.contact_bottom form textarea::placeholder {
    color: #1F1F1F;
}

.contact_bottom form button {
    width: 176px;
    height: 48px;
    background: #000000;
    position: relative;
    margin-left: 11px;
    margin-top: 80px;
    font-family: SourceHanSansCN-Regular;
    color: #FFFFFF;
    text-transform: uppercase;
    cursor: pointer;
}

.contact_bottom form button::after {
    content: '';
    position: absolute;
    left: -11px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 1px;
    background: #000000;
}

.contact_bottom form button::before {
    content: '';
    position: absolute;
    right: -11px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 1px;
    background: #000000;
}

@media(max-width:1680px) {
    .contact_top {
        padding: 100px 0;
    }

    .contact_top .one>div {
        padding-bottom: 20px;
        margin-bottom: 40px;
    }

    .contact_bottom form textarea {
        margin-top: 40px;
    }

    .contact_bottom form button {
        margin-top: 70px;
        width: 166px;
    }
}

@media(max-width:1440px) {
    .contact_top {
        padding: 80px 0;
        grid-gap: 80px;
    }

    .contact_top .one>div {
        padding-bottom: 15px;
        margin-bottom: 30px;
    }

    .contact_bottom form textarea {
        margin-top: 30px;
    }

    .contact_bottom form button {
        margin-top: 60px;
        width: 156px;
    }
}

@media(max-width:1280px) {
    .contact_top {
        padding: 60px 0;
        grid-gap: 60px;
    }

    .contact_top .one>div {
        padding-bottom: 10px;
        margin-bottom: 25px;
    }

    .contact_bottom form button {
        margin-top: 50px;
        width: 150px;
        height: 43px;
    }
}

@media(max-width:1024px) {
    .contact_top {
        padding: 40px 0;
        grid-gap: 40px;
        grid-template-columns: repeat(1, 1fr);
    }

    .contact_top .one>div {
        margin-bottom: 15px;
        text-align: center;
    }

    .contact_top .one p {
        text-align: center;
    }

    .contact_bottom .container {
        flex-direction: column;
    }

    .contact_bottom .f22,
    .contact_bottom form {
        width: 100%;
    }

    .contact_bottom form {
        margin-top: 30px;
    }

    .contact_bottom form button {
        margin-top: 40px;
        width: 140px;
        height: 38px;
    }
}

@media(max-width:768px) {
    .contact_top {
        padding: 30px 0;
        grid-gap: 30px;
    }

    .contact_bottom form .input {
        grid-template-columns: repeat(1, 1fr);
        grid-gap: 30px;
    }

    .contact_bottom form button {
        margin-top: 30px;
    }
}