.banner {
    background-size: cover;
    padding: 15vh 0;
    object-fit: cover;
    background-repeat: no-repeat;
    margin-bottom: 50px;
}

.banner-bg {
    background-image: url(../images/case/case_banner.jpg);
}


.banner_desc {
    width: 1140px;
    margin: 0 auto;
    z-index: 1;
}

.banner_desc_ch {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 1);
}

.banner_desc_en {
    width: 60%;
    margin-top: 20px;
    font-size: 1.1rem;
    line-height: 26.06px;
    color: rgba(255, 255, 255, 1);
}

@media screen and (max-width: 1140px) {
    .banner_desc {
        width: 80%;
    }
}

@media screen and (max-width: 570px) {
    html {
        font-size: 13px;
    }

    .banner_desc {
        width: 80%;
        z-index: 1;
    }

    .banner_desc_en {
        width: 100%;
    }

    .banner {
        padding: 8vh 0;
        margin-bottom: 40px;
    }

}





.caseName {
    padding-bottom: 5px;
    margin:0px auto 40px auto;
    width: 1140px;
    border-bottom: 1px solid rgba(201, 199, 199, 1);
}

.caseName img{
    max-width: 450px;
}

.case {
    width: 1140px;
    margin: 0 auto;
    padding-bottom: 80px;

}

.case_list {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    justify-content: space-between;
}

.case_list_item {
    border: 1px solid #e2e2e2;
    width: 300px;
    overflow: hidden;
    border-radius: 10px;
}

.item_img {
    width: inherit;
}

.item_img img {
    width: 100%;
    height: 163px;
}

.item_txt {
    padding: 20px 25px 0 25px;
}

.item_txt_desc {
    height: 100px;
}

.item_txt_desc p {
    margin-top: 0;
    margin-bottom: 15px;
    font-size: 16px;
    color: #3a3a3a;
}

.item_txt_desc span {
    display: block;
    font-size: 15px;
    color: #4d4d4d;
    width: 100%;
    text-align: end;
}

.item_txt_more {
    margin-top: 20px;
    padding: 15px 0;
    font-size: 15px;
    color: #222222;
    border-top: 1px solid #e5e5e5;
}

.item_txt_more .iconfont {
    font-size: 16px;
    color: #194276;
    margin-right: 5px;
}


@media screen and (max-width: 1140px) {
    .caseName {
        width: 85%;
    }

    .caseName img {
        width: 400px;
    }

    .case {
        width: 85%;
    }

    .case_title {
        font-size: 2.5rem;
        margin-bottom: 40px;

    }

    .case_list {
        justify-content: flex-start;
    }

}

@media screen and (max-width: 570px) {
    .caseName {
        width: 85%;
    }

    .caseName img {
        width: 300px;
    }

    .case {
        width: 90%;
    }

    .case_title {
        font-size: 2.5rem;
        margin-bottom: 40px;

    }

    .case_list {
        justify-content: center;
    }

}





/* 案例详情 */
.banner-bg1 {
    background-image: url(../images/case/case1_banner.png);
}

.banner_desc_ch1 {
    font-size: 20px;
    color: rgba(255, 255, 255, 1);
}

.banner_desc_en1 {
    width: 60%;
    margin-top: 30px;
    font-size: 28px;
    color: rgba(255, 255, 255, 1);
}

@media screen and (max-width: 1140px) {
    .banner_desc_ch1 {
        font-size: 18px;
    }

    .banner_desc_en1 {
        width: 80%;
        font-size: 30px;
    }
}

@media screen and (max-width: 570px) {
    .banner_desc_ch1 {
        font-size: 15px;
    }

    .banner_desc_en1 {
        margin-top: 20px;
        width: 100%;
        font-size: 20px;
    }

}





.example {
    width: 1140px;
    margin: 0 auto;
    padding-bottom: 10vh;
}

.example-titl {
    font-size: 24px;
    font-weight: 600;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(230, 230, 230, 1);
}

.example-titl .iconfont {
    font-size: 30px;
    color: rgba(42, 130, 228, 1);
    margin-right: 8px;
}


.example-detil {
    display: flex;
    margin-top: 40px;
    justify-content: space-around;
    gap: 5%;
}

.example-detil-lef {
    flex: 1;
}

.example-detil p {
    font-size: 16px;
    color: rgba(77, 77, 77, 1);
    line-height: 26px;
}

.example-detil span {
    font-weight: 600;
    color: rgba(43, 43, 43, 1);
}

.example-detil-rig {
    flex: 1;
}

.example-detil-rig img,
.example-detil-lef img {
    width: 100%;
    border-radius: 5px;
    overflow: hidden;
}

.example-detil-titl {
    font-size: 20px;
    font-weight: 600;
    color: rgba(43, 43, 43, 1);
    margin-bottom: 10px;
}

@media screen and (max-width: 1140px) {
    .example {
        width: 80%;
        padding-bottom: 10vh;
    }

    .example-titl {
        font-size: 20px;
        padding-bottom: 10px;
    }

    .example-titl .iconfont {
        font-size: 25px;
        margin-right: 8px;
    }

}

@media screen and (max-width: 970px) {
    .example {
        width: 80%;
        padding-bottom: 10vh;
    }

    .example-titl {
        font-size: 20px;
        padding-bottom: 10px;
    }

    .example-titl .iconfont {
        font-size: 25px;
        margin-right: 8px;
    }

    .example-detil {
        flex-direction: column;
        margin-top: 10px;
        gap: 5%;
    }

    .example-detil-rig img,
    .example-detil-lef img {
        width: 100%;
        border-radius: 10px;
        margin-top: 20px;
    }

    .example-detil-lef img {
        margin-bottom: 20px;
    }

}