.box-header{
    width:100%;
    height: 60vh;
    margin: auto;
    background-image: url("../img/contactUs/index.jpg");
    background-repeat: no-repeat;
    background-size: cover;
    /*opacity: 0.9;*/
}
.background-box{
    position: absolute;
    width: 100%;
    height: 60vh;
    background: rgba(0,0,0,.2);
}
.box-header-img{
    margin-left: 7rem;
    width: 55rem;
    height: 40rem;
}
.box-header-text{
    width: 70rem;
    height: 20rem;
    margin-top: 12rem;
}
.box-header-text h1{
    position: absolute;
    font-weight: 500;
    font-size: 4.5rem;
    color: white;
    z-index: 23;
}
.box-header-text h2{
    position: absolute;
    padding-top: 6.5rem;
    font-weight: 400;
    font-size: 2.0rem;
    letter-spacing: 0.02rem;
    line-height: 3rem;
    color: white;
    z-index: 23;
}

/*box1*/
.box1{
    width: 100%;
    height: 75rem;
    background: rgba(241, 241, 241, 0.86);
}
.box1-info{
    width: 120rem;
    height: 70rem;
    margin: auto;
    /*border: solid 1px black;*/
    padding-top: 8rem;
}
.box1-title{
    width: 120rem;
    height: 10rem;
    /*border: solid 1px black;*/
    text-align: center;
}
.box1-title span{
    width: 120rem;
    line-height: 7rem;
    font-size: 3.0rem;
    text-align: center;
}
.box1-ul{
    width: 120rem;
    height: 40rem;
}
.box1-li1{
    height: 8.5rem;
    display: flex;
    padding-bottom: 2rem;
}
.box1-li1 span{
    line-height: 5rem;
    width: 10rem;
    font-size: 1.9rem;
}
.box1-li1 input{
    margin-left: -0.05rem;
    font-size: 1.8rem;
    font-family: Arial, sans-serif; /* 可以根据需要更改字体 */
    width: 42.5rem;
    box-sizing: border-box;
    height: 3.5rem;
    line-height: 4.6rem;
    padding: 0 1.5rem;
    background: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,.2);
    border-radius: 4px;
    border: none;
}
.box1-ul i{
    color: #e81d36;
    line-height: 2rem;
    /*margin-left: 0.2rem;*/
    font-size: 2.0rem;
}
.box1-li2{
    height: 10rem;
    display: flex;
    padding-bottom: 2rem;
}
.xm-select-demo .xm-tips {
    font-size: 1.8rem;
    color: #666;
}
.clickDiv{
    height: 4.5rem;
    font-size: 1.8rem;
    /*border: solid 1px blue;*/
    display: flex;
    align-items: center;
    padding-left: 1.5rem;
    color: gray;
    overflow-y: auto;
}

.box1-li2 .title{
    line-height: 5rem;
    width: 10rem;
    font-size: 1.9rem;
}

.box1-li2 input{
    font-size: 1.8rem;
    font-family: Arial, sans-serif; /* 可以根据需要更改字体 */
    width: 41.9rem;
    box-sizing: border-box;
    height: 4.6rem;
    line-height: 4.6rem;
    padding: 0 1.5rem;
    background: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,.2);
    border-radius: 4px;
    border: none;
}
.content-div{
    margin-left: 0.4rem;
    width: 101.5rem;
    height: 4.6rem;
    /*border: solid 0.5px black;*/
    background: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,.2);
    border-radius: 0.4rem;
}
.option{
    width:100.9rem ;
    /*border: solid 1px black;*/
    max-height: 20rem;
    overflow-y: scroll;
    overflow-x: hidden;
    background: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,.2);
}
.level1{
    width: 100rem;
    height: 3rem;
    text-align: left;
    display: flex;
    align-items: center;
    cursor: pointer;

}
.level1 span{
    padding-left: 0.5rem;
    text-align: left;
    font-size: 1.8rem;
}
.level1 div{
    padding-left: 0.5rem;
    height: 3.5rem;
    width: 2rem;
    display: flex;
    align-items: center;
    box-shadow: none;
}
.level1 div img{
    text-align: left;
    width: 1.8rem;
    height:  1.8rem;
    transition: transform 0.3s ease-in-out;
}
.level1-1,.level1-2,.level1-3,.level1-4,.level1-5{
    padding-left: 2.5rem;
    width: 41.5rem;
    height: auto;
    text-align: left;
    padding-bottom:0.5rem;
    display: none;
}
.level1-1-content{
    width: 100rem;
    display: flex;
    background: white;
}
.level1-1-content:hover{
    background: #71baf5;
    color: white;
}
.level1-1-content img{
    width: 1.5rem;
    margin-left: 2rem;
    margin-bottom: 0.5rem;
    display: none;
}
.box1-li3{
    height: 20rem;
    display: flex;
    padding-bottom: 1rem;
}
.box1-li3 span{
    line-height: 5rem;
    width: 10rem;
    font-size: 1.9rem;
}
.box1-li3 textarea{
    font-size: 1.8rem;
    font-family: Arial, sans-serif; /* 可以根据需要更改字体 */
    width: 100.8rem;
    box-sizing: border-box;
    height: 17rem;
    line-height: 3.5rem;
    padding: 0.5rem 1.6rem;
    background: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,.2);
    border-radius: 4px;
    border: none;
}
.box1-submit{
    -webkit-transition: 0.3s;
    transition: 0.3s;
    margin: 0 auto;
    margin-top: 80px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
    width: 320px;
    height: 50px;
    border: 1px solid #269BDE;
    font-size: 20px;
    color: #1094DE;
    cursor: pointer;
    border-radius: 5px;
}
.box1-submit:hover{
    -webkit-transition: 0.3s;
    transition: 0.3s;
    background: #29A9F2;
    color: #fff;
    border: 1px solid transparent;
}
input::placeholder{
    /* 标准语法 */
    font-size: 1.8rem;
    font-family: Arial, sans-serif; /* 可以根据需要更改字体 */
    color: #686868; /* 可以根据需要更改颜色 */
}
textarea::placeholder{
    font-size: 1.8rem;
    font-family: Arial, sans-serif; /* 可以根据需要更改字体 */
    color: #686868; /* 可以根据需要更改颜色 */
}

/*box2*/
.box2{
    width: 100%;
    height: 40rem;
    /*background: #eae9e9;*/
    padding-top: 5rem;
}
.box2-content{
    width: 150rem;
    /*border: solid 1px black;*/
    height: 30rem;
    margin: auto;
}
.box2-content-ul{
    width: 150rem;
    /*border: solid 1px black;*/
    /*height: 30rem;*/
    column-count: 4; /* 定义两列 */
    column-gap: 0; /* 列之间的间距 */
    /*border-radius: 1rem;*/
    overflow: hidden;
    /*box-shadow: 0 0 20px rgb(0 0 0 / 10%);*/
}
.contact-item{
    padding-top: 5rem;
    width: 37rem;
    height: 30rem;
    /*border: solid 1px black;*/
    display: block;
    text-align: center;
}
.li-img{
    width: 12rem;
    transition: margin-top 0.3s ease-in-out;
}
.contact-item h1{
    line-height: 5rem;
    font-size: 3rem;
    font-weight: 500;
    padding-top: 2rem;
}
.contact-item span{
    line-height: 3rem;
    font-size: 1.6rem;
    font-weight: 500;
    padding-top: 0.8rem;
}

.contact-item h2{
    line-height: 2rem;
    font-size: 1.4rem;
    font-weight: 500;
    margin-top: 0;
}