.cover {
    background-image: url(../images/contact-us.jpg);
    position: relative;
    z-index: 1;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    padding-top: 200px;
    padding-bottom: 200px;
    overflow: hidden;
}


.cover_bd_content_1 {
    display: flex;
}

.cover_bd_content_1 a {
    color: #fff;
    display: inline-block;
    list-style: none;
    font-weight: 700;
    font-size: 16px;
}

.cover_bd_content_1 span {
    color: #fff;
}

.cover_bd_content_p1 {
    color: #f7262d;
    font-size: 16px;
    font-weight: 700;
}

.cover_bd_content_2 {
    font-size: 70px;
    font-weight: 700;
    color: #fff;
}

@media (max-width:768px) {

    .cover_bd_content_2 {
        font-size: 60px;
        font-weight: 700;
        color: #fff;
    }
}

@media (max-width:576px) {

    .cover_bd_content_2 {
        font-size: 45px;
        font-weight: 700;
        color: #fff;
    }

    .cover {
        background-image: url(../images/contact-us.jpg);
        position: relative;
        z-index: 1;
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover;
        height: 90vh;
        padding-top: 350px;
        padding-bottom: 0px;
        overflow: hidden;
    }
    
}

/* contact */

.contact_us {
    padding-top: 100px;
    position: relative;
    z-index: 2;
}

.contact_us_bd {
    display: grid;
    grid-template-columns: 4fr 6fr;
    column-gap: 100px;
}

.contact_us-_bd_1{
    padding: 60px;
    background-color: #f4f4f4;
}

.contact_us_bd_1_tittle {
    font-size: 30px;
    line-height: 40px;
    padding: 0;;
    color: var(--text-heading-color);
    font-family: var(--heading-font);
    font-weight: 700;
    margin-bottom: 30px;
}

form {
    color: #343434;
}

input {
    width: 100%;
    height: 100%;
    padding: 0px 20px;
    font-size: 16px;
}

form div {
    height: 60px;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 20px;
    position: relative;
}

form div span i {
    color: #b01e22;
}

form div:nth-child(4) {
    display: flex;
    align-items: start;
    height: 200px;
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: 20px;
}

form div:nth-child(4) input {
    padding-bottom: 130px;
}

.input_icon {
    position: absolute;
    right: 16px;
    top: 23px;
    color: var(--primary-color-1);
    font-weight: 400;
}

form div:nth-child(5) input {
    background-color: #b01e22;
    color: #ffffff;
    font-weight: 700;
    width: 200px;
    border-radius: 5px;
}

.contact_us_bd_2_tittle {
    font-size: 48px;
    line-height: 60px;
    padding: 0;
    margin: 0;
    color: #343434;
    font-weight: 700;
    margin-bottom: 60px;
}

.contact_us_bd_2_content {
    display: flex;
    margin-bottom: 40px;
}

.contact_us_bd_2_content h6{
    font-size: 20px;
    line-height: 30px;
    padding: 0;
    margin: 0;
    color: #131313;
    font-weight: 700;
}

.contact_us_bd_2_content p {
    font-size: 16px;
    max-width: 400px;
}


.contact_us_bd_2_content span:nth-child(2) {
    max-width: 290px;
    margin: 0px 25px;
    font-size: 18px;
    font-weight: 700;
}

.contact_us_bd_2_content span:nth-child(3) {
    font-size: 16px;
    max-width: 290px;
    line-height: 25px;
}

.contact_us_bd_2_content a {
    font-size: 16px;
    display: block;
}

.contact_us_bd_2_content span{
    margin: 0px 20px;
}



@media (max-width:1100px) {
    
.contact_us_bd {
    display: grid;
    grid-template-columns: 1fr ;
    column-gap: 100px;
    row-gap: 50px;
}

.grid-box-1 {
    grid-row: 2; /* 将盒子 1 放在第二行 */
  }
  
  .grid-box-2 {
    grid-row: 1; /* 将盒子 2 放在第一行 */
  }
}

@media (max-width:567px) {

    .contact_us {
        padding-top: 100px;
        position: relative;
        z-index: 2;
    }

    form div:nth-child(4) {
        margin-bottom: 40px;
    }
    

    .contact_us_bd {
        display: grid;
        grid-template-columns: 1fr ;
        column-gap: 100px;
        row-gap: 20px;
    }

    .contact_us_bd_2_content {
        display: block;
        margin-bottom: 40px;
    }
    
    .display_none {
        display: none;
    }

    .contact_us-_bd_1{
        padding: 50px 30px;
        background-color: #f4f4f4;
    }

    .contact_us_bd_2_content a {
        font-size: 16px;
        display: inline-block;
    }

    .contact_us_bd_2_content h6{
        font-size: 20px;
        line-height: 30px;
        padding: 0;
        margin: 0;
        color: #131313;
        font-weight: 700;
        margin-bottom: 10px;
    }

    .contact_us_bd_2_tittle {
        font-size: 31px;
        line-height: 60px;
        padding: 0;
        margin: 0;
        color: #343434;
        font-weight: 700;
        margin-bottom: 20px;
    }

    
}

/* map */

.map {
    margin-top: -180px;
    margin-bottom: -130px;
    z-index: 1;
    position: relative;
}

.map_bd iframe {
    width: 100%;
    height: 600px;
    display: block;
    filter: grayscale(1);
    border: none;
}

@media (max-width:567px) {

    .map {
        margin-top: -120px;
        margin-bottom: -130px;
        z-index: 1;
        position: relative;
    }
    
}


/* footer */

footer {
    padding: 200px 0px;
    background-color: #000;
    color: #fff;
}