.banner {
    display: block;
    margin: 0 auto;
    width: 75vw;
    border-radius: 0.83333vw;
}
div {
    box-sizing: border-box;
}
.content {
    width: 75vw;
    margin: 2.1875vw auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.content-l {
    height: 34vw;
    border-radius: 0.6vw;
    flex-shrink: 0;
}
.content-r {
    margin-left: 4vw;
}
.content-r-h1 {
    font-weight: 600;
    font-size: 1.875vw;
    color: #1E3D6B;
}
.content-r-h2 {
    padding-top: 1.5vw;
    font-weight: 400;
    font-size: 0.83333vw;
    color: #666666;
    white-space: pre-wrap;
    text-align: justify;
    line-height: 1.35422vw;
}
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 75vw;
    margin: 3.54166vw auto 0;
}
.nav-li {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 17.29166vw;
    height: 10vw;
    background: #F9FAFB;
    border-radius: 0.625vw;
}
.nav-li img {
    height: 1.875vw;
}
.nav-li-title {
    padding-top: 0.63333vw;
    font-weight: 600;
    font-size: 1.875vw;
    color: #1E3D6B;
}
.nav-li-tips {
    padding-top: 0.41666vw;
    font-weight: 400;
    font-size: 0.83333vw;
    color: #666666;
}

.process {
    margin: 2.08333vw auto 0;
    width: 75vw;
    padding: 1.875vw 0;
    background: #F9FAFB;
    border-radius: 0.625vw;
}
.process-title {
    text-align: center;
    font-weight: 600;
    font-size: 1.5625vw;
    color: #1E3D6B;
}
.process-tips {
    text-align: center;
    padding-top: 0.83333vw;
    font-weight: 400;
    font-size: 0.83333vw;
    color: #666666;
}
.process-ul {
    padding: 2.5vw 9.47916vw 0;
    display: flex;
}
.process-li {
    margin-right: 1.40625vw;
    display: flex;
    flex: 1;
}
.process-li:last-child {
    margin-right: 0 !important;
}
.process-li-l {
    position: relative;
    width: 1px;
    background: #3E7BBA;
}
.process-li-l-round {
    position: absolute;
    left: 50%;
    transform: translate(-50%);
    top: -0.4167vw;
    width: 0.83333vw;
    height: 0.83333vw;
    background: #3E7BBA;
    border-radius: 5000px 5000px 5000px 5000px;
}
.process-li-r {
    margin-left: 1.77083vw;
}
.process-li-r-h1 {
    font-weight: 700;
    font-size: 0.9375vw;
    color: #1E3D6B;
}
.process-li-r-h2 {
    padding-top: 0.3125vw;
    font-weight: 400;
    font-size: 0.83333vw;
    color: #666666;
}

.h1 {
    margin-top: 2.08333vw;
    text-align: center;
    font-weight: 600;
    font-size: 1.5625vw;
    color: #1E3F66;
}
.h2 {
    padding: 1.46vw 30.83333vw 0;
    text-align: center;
    font-weight: 400;
    font-size: 0.83333vw;
    color: #4B5563;
}
.ul {
    width: 75vw;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.li {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin-top: 2.2vw;
    width: 23.54166vw;
    height: 19.89583vw;
    background: #FFFFFF;
    box-shadow: 0.10416vw 0.10416vw 0.52083vw 0.10416vw rgba(51,51,51,0.1);
    border-radius: 0.625vw;
    cursor: pointer;
}
.li-head {
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 16.14583vw;
    background: #EFEFEF;
    padding: 0.72916vw;
}
.li-head img {
    max-width: 16vw;
    max-height: 11.5972vw;
    display: block;
    transition: transform 0.5s ease; /*添加过渡效果*/
}
.li-title {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9375vw;
    color: #333333;
}
.li-title span{
    transition: transform 0.5s ease; /*添加过渡效果*/
    display: inline-block;
}
.li:hover .li-head img, .li:hover .li-title span{
    transform: scale(1.2); /*鼠标悬停时放大1.2倍*/
}