body{
    padding: 0;
    margin: 0;
}
.item3 img{
    width: 100%;
}
.item4{
    padding: 100px 20px;
    text-align: center;
    background-color: #f0f0f0;
}
.title{
    font-size: 50px;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 800;
}
.item4 .type{
    width: 70%;
    display: flex;
    justify-content: space-between;
    margin: auto;
    flex-wrap: wrap;
}
.item4 .type div{
    width: 210px;
    background: linear-gradient(to top, #1e76d1, #0e5cb2);
    color: #fff;
    font-size: 20px;
    padding:5px 0;
    border-radius: 20px;
    margin-top: 20px;
}
.item4 .zixun{
    width: 80%;
    display: flex;
    justify-content: space-between;
    margin: auto;
    flex-wrap: wrap;
}
.item4 .zixun a img{
    width: 100%;
    margin-top: 70px;
}
.item5{
    padding: 100px 0;
    text-align: center;
}
.item5 .miaoshu{
    font-size: 28px;
    font-weight: 500;
}
.item5 .chanpin{
    display: flex;
    flex-flow: wrap;
    width: 76%;
    margin: auto;
    justify-content: space-between;
}
.item5 .chanpin .k{
    background-color: #f0f0f0;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 40px;
}
.item5 .chanpin .k .t{
    font-size: 24px;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 800;
    margin-top: 20px;
}
.item5 .chanpin .k .button{
    width: 160px;
    background-color: #014da3;
    color: #fff;
    font-size: 18px;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 800;
    margin: 5px 0 10px 0;
    padding: 2px 0;
    cursor: pointer;
}
.item6{
    width: 86%;
    text-align: center;
    margin: auto;
}
.item6 .miaoshu{
    font-size: 28px;
    font-weight: 500;
}
.item6 .xiaoshou_title{
    font-size: 46px;
    margin-top: 40px;
    margin-bottom: 20px;
}
.item7{
    padding-top: 100px;
    text-align: center;
}
.item7 .miaoshu{
    font-size: 28px;
    font-weight: 500;
}
.item8{
    padding: 100px 0;
    text-align: center;
}
.item8 .hr{
    width: 45px;
    height: 10px;
    background-color: #ca0000;
    border-radius: 5px;
    margin: auto;
}
.item8 .miaoshu{
    font-size: 34px;
}
.item8 .chanpin{
    width: 75%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    flex-flow: wrap;
}
.item8 .chanpin .xf{
    margin-top: 26px;
    border: 1px solid #d8d8d8;
}
.item8 .chanpin .xf .code{
    display: flex;
    justify-content: space-between;
    padding: 30px 8%;
}
.item8 .chanpin .xf .code .canshu{
    font-size: 30px;
    text-align: left;
}
.item8 .chanpin .xf .code .canshu .c_title{
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 800;
    margin-top: -10px;
}
.item8 .chanpin .xf .code .dj{
    text-align: right;
    cursor: pointer;
    margin-top: 5px;
}
.item8 .chanpin .xf .code .dj img{
    width: 34px;
}
.item8 .chanpin .xf .code .dj .button{
    font-size: 26px;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 700;
    color: #c10000;
}
.item8 .chanpin .xf .code1 .canshu{
    font-size: 26px;
}
.item8 .chanpin .xf .code1 .dj img{
    width: 30px;
}
.item8 .chanpin .xf .code1 .dj .button{
    font-size: 24px;
}
.item11{
    text-align: center;
    padding: 50px 0;
}
.item11 .l_title{
    width: 50%;
    font-size: 45px;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 700;
    line-height: 55px;
    margin: auto;
}
.item11 .ks{
    width: 62%;
    margin: auto;
    display: flex;
    justify-content: space-between;
    flex-flow: wrap;
}
.item11 .ks .y{
    border: 3px solid;
    display: flex;
    margin-top: 30px;
    padding: 30px 20px;
    align-items: center;
    border-radius: 20px;
}
.item11 .ks .y img{
    width: 100px;
    height: 100px;
    margin-right: 30px;
}
.item11 .ks .y .text{
    text-align: left;
    line-height: 40px;
}
.item11 .ks .y .text .t1{
    font-size: 40px;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 700;
}
.item11 .ks .y .text .t2{
    font-size: 25px;
}
.item11 .z_button{
    font-size: 35px;
    background-color: #c10000;
    color: #fff;
    font-family: 'Alibaba PuHuiTi', 'HarmonyOS Sans SC', 'Microsoft YaHei', sans-serif;
    font-weight: 700;
    width: 420px;
    margin: auto;
    border-radius: 35px;
    padding: 5px 0;
    margin-top: 50px;
    cursor: pointer;

}
/* 小屏幕设备（手机） */
@media screen and (max-width: 767px) {
    #carousel-demo-image {
        height: 159px !important;
    }
    .item1{
        padding: 20px 10px;
    }
    .item1 .phone{
        font-size: 18px;
    }
    .item1 .phone img{
        width: 26px;
        height: 26px;
        margin-right: 5px;
    }
    .item4{
        padding: 20px;
    }
    .item4 .type{
        width: 100%;
        justify-content: center;
    }
    .item4 .type div{
        margin-top: 10px;
    }
    .title{
        font-size: 25px;
    }
    .item4 .type div{
        font-size: 16px;
    }
    .item4 .zixun{
        margin-top: 20px;
    }
    .item4 .zixun a img{
        margin-top: 10px;
    }
    .item5{
        padding: 30px 0;
    }
    .item5 .miaoshu{
        font-size: 18px;
    }
    .item5 .chanpin{
        width: 96%;
    }
    .item5 .chanpin .k{
        padding: 2%;
        margin-top: 20px;
        width: 100%;
    }
    .item5 .chanpin .k img{
        width: 100%;
    }
    .item6 .miaoshu{
        font-size: 18px;
    }
    .item6 .xiaoshou_title {
        font-size: 24px;
        margin-top: 20px;
        margin-bottom: 10px;
    }
    .item7{
        padding-top: 30px;
    }
    .item7 .miaoshu{
        font-size: 18px;
    }
    .item8{
        padding: 30px 0;
    }
    .item8 .miaoshu{
        font-size: 22px;
    }
    .item8 .chanpin{
        width: 94%;
    }
    .item8 .chanpin .xf .code .canshu{
        font-size: 21px;
    }
    .item8 .chanpin .xf .code .dj img{
        width: 24px;
    }
    .item8 .chanpin .xf .code .dj .button{
        font-size: 22px;
    }
    .item8 .chanpin .xf .code .canshu .c_title{
        margin-top: -3px;
    }
    .item8 .chanpin .xf .code{
        padding: 20px 2%;
    }

    .item11 .z_button{
        width: 70%;
        font-size: 20px;
    }
    .item11 .l_title{
        width: 100%;
        font-size: 23px;
        line-height: 38px;
    }
    .item11 .ks{
        width: 94%;
    }
    .item11 .ks .y{
        width: 100%;
    }
    .item11 .ks .y .text .t2{
        font-size: 22px;
    }
    .item11 .ks .y img{
        width: 70px;
        height: 70px;
    }
    .item11 .ks .y .text .t1 {
        font-size: 34px;
    }

}