.bg {
    overflow: hidden;
    width: 100%;
    height: 50vh;
    background: url("../img/case/bg.png") no-repeat center;
    background-size: 100% 100%;
    color: #fff;
}
.bg .content {
    margin-top: 100px;
    margin-left: 210px;
}
.bg .content>h1 {
    font-size: 33px;
    font-weight: bold;  
}
.bg .line {
    width: 50px;
    height: 4px;
    margin: 30px 0;
    background-color: #FE8000;
}
.bg .content p {
    font-size: 14px;
    width: 60%;
}
.case_banner {
    padding-top: 20px;
    width: 79%; 
    margin: 0 auto;
    border-bottom: 1px solid #ccc;
    margin-bottom: 30px;
}
.case_banner>img {
    cursor: pointer;
    width: 100%;
    margin-bottom: 20px;
}
.case_floor {
    color: #777;
    width: 79%; 
    margin: 0 auto;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.case_floor p:first-child {
    margin-bottom: 10px;
}
.case_floor a {
    color: #777;
}
.case_floor a:hover {
    color: #E77917;
}
.case_floor .btn {
    width: 100px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    color: #fff;
    background-color: #E77917;
    border-radius: 10px;
    box-shadow: 0px 0px 20px rgba(0, 0, 0, 0.12);
}
.case_floor .btn:hover {
    color: #fff;
}

@media screen and (max-width: 1400px) {
 
    .bg .content {
        margin-left: 135px;
    }
    .bg .content>h1 {
        font-size: 28px;
        font-weight: bold;
    }
    .case_banner, .case_floor {
        width: 90%; 
    }

}
@media screen and (max-width: 1280px) {

    .case_banner, .case_floor {
        width: 95%; 
    }

}
@media screen and (max-width: 1024px) {
 
    .bg .content {
        margin-left: 105px;
    }
    .bg .content>h1 {
        font-size: 28px;
        font-weight: bold;
    }
    .bg .content>h1 {
        font-size: 23px;
        font-weight: bold;
    }
    .case_banner {
        width: 96%; 
    }
    .case_floor {
        width: 96%; 
    }


}
@media screen and (max-width: 750px) {
  
    .bg {
        height: 37vh;
    }
    .bg .content {
        margin-left: 25px;
        margin-top: 60px;
    }
  
    .bg .content>h1 {
        font-size: 20px;
        font-weight: bold;
    }
    .bg .content p {
        font-size: 13px;
        width: 80%;
        margin-bottom: 5px;
        overflow: hidden;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 6;
    }
    .bg .line {
        height: 2px;
        margin: 15px 0;
    }

}
@media screen and (max-width: 375px) {
    .case_floor .btn {
        width: 100px;
        height: 35px;
        line-height: 35px;
        text-align: center;
        color: #fff;
        background-color: #000;
        border-radius: 10px;
        box-shadow: 0px 0px 20px rgb(0 0 0 / 12%);
    }
    .bg {
        height: 30vh;
    }
    .bg .content {
        margin-left: 25px;
        margin-top: 15px;
    }
  
    .bg .content>h1 {
        font-size: 16px;
        font-weight: bold;
    }
    .bg .content p {
        font-size: 13px;
        width: 90%;  overflow: hidden;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 6;
    }
    .bg .line {
        height: 3px;
        margin: 10px 0;
    }

    .new_banner>img {
        height: 220px;
    }

}