@media screen and (min-width:1800px) {
    .bt{
        width: 100%;
        height: 36px;
        margin: 50px 0px 28px 0px;
        padding: 0px 100px;
        box-sizing: border-box;
        font-size: 0px;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
    }
    .bt_hr{
        width: 100%;
        height: 4px;
        border: none;
        background: darkcyan;
        position: relative;
        z-index: 1;
    }
    .bt_bt{
        width: auto;
        height: 36px;
        padding: 0px 36px;
        text-align: center;
        line-height: 36px;
        color: darkcyan;
        font-size: 28px;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        top: 0px;
        background: white;
        z-index: 2;
    }


    .bf{
        width: 100%;
        height: auto;
        display: flex;
        justify-content: center;
        font-size: 0px;
    }
    .bf_z{
        width: 1500px;
        height: auto;
        font-size: 0px;
        text-align: center;
    }
    .btn{
        width: 150px;
        height: 36px;
        display: inline-block;
        background: darkcyan;
        border-radius: 18px;
        text-align: center;
        line-height: 36px;
        text-decoration: none;
        color: white;
        font-size: 14px;
        margin-top: 20px;
    }


    .bf1{
        width: 100%;
        height: auto;
        display: grid;
        grid-template-columns: repeat(6,1fr);
        grid-gap: 10px;
        font-size: 0px;
    }
    .bf1_z{
        width: 100%;
        height: auto;
        font-size: 0px;
        background: rgb(235, 235, 235);
        box-sizing: border-box;
        display: inline-block;
        text-decoration: none;
    }
    .bf1_z_img{
        width: 100%;
        height: auto;
    }
    .bf1_z_z{
        width: 100%;
        height: auto;
        font-size: 0px;
        padding: 10px;
        box-sizing: border-box;
        display: grid;
        grid-template-rows: repeat(2,auto);
        grid-gap: 6px;
    }
    .bf1_z_z_bt{
        width: 100%;
        height: auto;
        font-size: 14px;
        color: darkcyan;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        text-align: left;
    }
    .bf1_z_z_jg{
        width: 100%;
        height: auto;
        font-size: 20px;
        color: mediumvioletred;
        text-align: left;
    }
    .bf1_z_z_span{
        font-size: 14px;
        color: black;
        text-align: left;
    }


    .bf2{
        width: 100%;
        height: auto;
        font-size: 0px;
        display: grid;
        grid-template-columns: repeat(4,1fr);
        grid-gap: 15px;
    }
    .bf2_z{
        width: 100%;
        height: auto;
        font-size: 0px;
        display: grid;
        grid-template-columns: 90px 1fr;
        box-sizing: border-box;
        text-decoration: none;
    }
    .bf2_z:hover{
        border: darkcyan 1px solid;
    }
    .bf2_z_1{
        width: 100%;
        height: 90px;
        display: grid;
        grid-template-rows: auto auto;
        grid-gap: 5px;
        font-size: 0px;
        background: darkcyan;
        align-items: center;
        padding: 20px 10px;
        box-sizing: border-box;
    }
    .bf2_z_1_1{
        width: 100%;
        height: auto;
        font-size: 22px;
        color: white;
        text-align: center;
    }
    .bf2_z_1_hr{
        width: 100%;
        height: 1px;
        background: white;
        border: none;
    }
    .bf2_z_1_2{
        width: 100%;
        height: auto;
        text-align: center;
        font-size: 14px;
        color: white;
    }
    .bf2_z_2{
        width: 100%;
        height: 90px;
        padding: 10px;
        display: flex;
        align-items: center;
        word-break: break-all;
        justify-content: flex-start;
        box-sizing: border-box;
        background: rgb(235, 235, 235);
        font-size: 0px;
    }
    .bf2_z_2_z{
        display: -webkit-box;
        -webkit-line-clamp: 2;          /* 限制显示的行数 */
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        word-break: break-word;          /* 可选，避免长单词撑破布局 */
        width: 100%;
        max-height: 46px;
        height: auto;
        font-size: 14px;
        line-height: 23px;
        color: black;
        text-align: left;
    }
}

@media screen and (max-width:1800px) and (min-width:1200px) {
    .bt{
        width: 100%;
        height: 36px;
        margin: 50px 0px 28px 0px;
        padding: 0px 100px;
        box-sizing: border-box;
        font-size: 0px;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
    }
    .bt_hr{
        width: 100%;
        height: 4px;
        border: none;
        background: darkcyan;
        position: relative;
        z-index: 1;
    }
    .bt_bt{
        width: auto;
        height: 36px;
        padding: 0px 36px;
        text-align: center;
        line-height: 36px;
        color: darkcyan;
        font-size: 28px;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        top: 0px;
        background: white;
        z-index: 2;
    }


    .bf{
        width: 100%;
        height: auto;
        display: flex;
        justify-content: center;
        font-size: 0px;
    }
    .bf_z{
        width: 96%;
        min-width: 1200px;
        height: auto;
        font-size: 0px;
        text-align: center;
    }
    .btn{
        width: 150px;
        height: 36px;
        display: inline-block;
        background: darkcyan;
        border-radius: 18px;
        text-align: center;
        line-height: 36px;
        text-decoration: none;
        color: white;
        font-size: 14px;
        margin-top: 20px;
    }


    .bf1{
        width: 100%;
        height: auto;
        display: grid;
        grid-template-columns: repeat(5,1fr);
        grid-gap: 10px;
        font-size: 0px;
    }
    .bf1_z{
        width: 100%;
        height: auto;
        font-size: 0px;
        background: rgb(235, 235, 235);
        box-sizing: border-box;
        display: inline-block;
        text-decoration: none;
    }
    .bf1_z_img{
        width: 100%;
        height: auto;
    }
    .bf1_z_z{
        width: 100%;
        height: auto;
        font-size: 0px;
        padding: 10px;
        box-sizing: border-box;
        display: grid;
        grid-template-rows: repeat(2,auto);
        grid-gap: 6px;
    }
    .bf1_z_z_bt{
        width: 100%;
        height: auto;
        font-size: 14px;
        color: darkcyan;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        text-align: left;
    }
    .bf1_z_z_jg{
        width: 100%;
        height: auto;
        font-size: 20px;
        color: mediumvioletred;
        text-align: left;
    }
    .bf1_z_z_span{
        font-size: 14px;
        color: black;
        text-align: left;
    }


    .bf2{
        width: 100%;
        height: auto;
        font-size: 0px;
        display: grid;
        grid-template-columns: repeat(3,1fr);
        grid-gap: 15px;
    }
    .bf2_z{
        width: 100%;
        height: auto;
        font-size: 0px;
        display: grid;
        grid-template-columns: 90px 1fr;
        box-sizing: border-box;
        text-decoration: none;
    }
    .bf2_z:hover{
        border: darkcyan 1px solid;
    }
    .bf2_z_1{
        width: 100%;
        height: 90px;
        display: grid;
        grid-template-rows: auto auto;
        grid-gap: 5px;
        font-size: 0px;
        background: darkcyan;
        align-items: center;
        padding: 20px 10px;
        box-sizing: border-box;
    }
    .bf2_z_1_1{
        width: 100%;
        height: auto;
        font-size: 22px;
        color: white;
        text-align: center;
    }
    .bf2_z_1_hr{
        width: 100%;
        height: 1px;
        background: white;
        border: none;
    }
    .bf2_z_1_2{
        width: 100%;
        height: auto;
        text-align: center;
        font-size: 14px;
        color: white;
    }
    .bf2_z_2{
        width: 100%;
        height: 90px;
        padding: 10px;
        display: flex;
        align-items: center;
        word-break: break-all;
        justify-content: flex-start;
        box-sizing: border-box;
        background: rgb(235, 235, 235);
        font-size: 0px;
    }
    .bf2_z_2_z{
        display: -webkit-box;
        -webkit-line-clamp: 2;          /* 限制显示的行数 */
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        word-break: break-word;          /* 可选，避免长单词撑破布局 */
        width: 100%;
        max-height: 46px;
        height: auto;
        font-size: 14px;
        line-height: 23px;
        color: black;
        text-align: left;
    }
}



@media screen and (max-width:1200px) and (min-width:600px) {
    .bt{
        width: 100%;
        height: 36px;
        margin: 50px 0px 28px 0px;
        padding: 0px 50px;
        box-sizing: border-box;
        font-size: 0px;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
    }
    .bt_hr{
        width: 100%;
        height: 3px;
        border: none;
        background: darkcyan;
        position: relative;
        z-index: 1;
    }
    .bt_bt{
        width: auto;
        height: 36px;
        padding: 0px 20px;
        text-align: center;
        line-height: 36px;
        color: darkcyan;
        font-size: 20px;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        top: 0px;
        background: white;
        z-index: 2;
    }


    .bf{
        width: 100%;
        height: auto;
        display: flex;
        justify-content: center;
        font-size: 0px;
    }
    .bf_z{
        width: 96%;
        min-width: 600px;
        height: auto;
        font-size: 0px;
        text-align: center;
    }
    .btn{
        width: 150px;
        height: 36px;
        display: inline-block;
        background: darkcyan;
        border-radius: 18px;
        text-align: center;
        line-height: 36px;
        text-decoration: none;
        color: white;
        font-size: 14px;
        margin-top: 20px;
    }


    .bf1{
        width: 100%;
        height: auto;
        display: grid;
        grid-template-columns: repeat(4,1fr);
        grid-gap: 10px;
        font-size: 0px;
    }
    .bf1_z{
        width: 100%;
        height: auto;
        font-size: 0px;
        background: rgb(235, 235, 235);
        box-sizing: border-box;
        display: inline-block;
        text-decoration: none;
    }
    .bf1_z_img{
        width: 100%;
        height: auto;
    }
    .bf1_z_z{
        width: 100%;
        height: auto;
        font-size: 0px;
        padding: 10px;
        box-sizing: border-box;
        display: grid;
        grid-template-rows: repeat(2,auto);
        grid-gap: 6px;
    }
    .bf1_z_z_bt{
        width: 100%;
        height: auto;
        font-size: 14px;
        color: darkcyan;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        text-align: left;
    }
    .bf1_z_z_jg{
        width: 100%;
        height: auto;
        font-size: 18px;
        color: mediumvioletred;
        text-align: left;
    }
    .bf1_z_z_span{
        font-size: 14px;
        color: black;
        text-align: left;
    }


    .bf2{
        width: 100%;
        height: auto;
        font-size: 0px;
        display: grid;
        grid-template-columns: repeat(2,1fr);
        grid-gap: 15px;
    }
    .bf2_z{
        width: 100%;
        height: auto;
        font-size: 0px;
        display: grid;
        grid-template-columns: 90px 1fr;
        box-sizing: border-box;
        text-decoration: none;
    }
    .bf2_z:hover{
        border: darkcyan 1px solid;
    }
    .bf2_z_1{
        width: 100%;
        height: 90px;
        display: grid;
        grid-template-rows: auto auto;
        grid-gap: 5px;
        font-size: 0px;
        background: darkcyan;
        align-items: center;
        padding: 20px 10px;
        box-sizing: border-box;
    }
    .bf2_z_1_1{
        width: 100%;
        height: auto;
        font-size: 22px;
        color: white;
        text-align: center;
    }
    .bf2_z_1_hr{
        width: 100%;
        height: 1px;
        background: white;
        border: none;
    }
    .bf2_z_1_2{
        width: 100%;
        height: auto;
        text-align: center;
        font-size: 14px;
        color: white;
    }
    .bf2_z_2{
        width: 100%;
        height: 90px;
        padding: 10px;
        display: flex;
        align-items: center;
        word-break: break-all;
        justify-content: flex-start;
        box-sizing: border-box;
        background: rgb(235, 235, 235);
        font-size: 0px;
    }
    .bf2_z_2_z{
        display: -webkit-box;
        -webkit-line-clamp: 2;          /* 限制显示的行数 */
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        word-break: break-word;          /* 可选，避免长单词撑破布局 */
        width: 100%;
        max-height: 46px;
        height: auto;
        font-size: 14px;
        line-height: 23px;
        color: black;
        text-align: left;
    }
}



@media screen and (max-width:600px) {
    .bt{
        width: 100%;
        height: 36px;
        margin: 50px 0px 28px 0px;
        padding: 0px 50px;
        box-sizing: border-box;
        font-size: 0px;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
    }
    .bt_hr{
        width: 100%;
        height: 3px;
        border: none;
        background: darkcyan;
        position: relative;
        z-index: 1;
    }
    .bt_bt{
        width: auto;
        height: 36px;
        padding: 0px 15px;
        text-align: center;
        line-height: 36px;
        color: darkcyan;
        font-size: 20px;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        top: 0px;
        background: white;
        z-index: 2;
    }


    .bf{
        width: 100%;
        height: auto;
        display: flex;
        justify-content: center;
        font-size: 0px;
    }
    .bf_z{
        width: 96%;
        min-width: 310px;
        height: auto;
        font-size: 0px;
        text-align: center;
    }
    .btn{
        width: 150px;
        height: 36px;
        display: inline-block;
        background: darkcyan;
        border-radius: 18px;
        text-align: center;
        line-height: 36px;
        text-decoration: none;
        color: white;
        font-size: 14px;
        margin-top: 20px;
    }


    .bf1{
        width: 100%;
        height: auto;
        display: grid;
        grid-template-columns: repeat(2,1fr);
        grid-gap: 10px;
        font-size: 0px;
        text-align: center;
    }
    .bf1_z{
        width: 100%;
        height: auto;
        font-size: 0px;
        background: rgb(235, 235, 235);
        box-sizing: border-box;
        display: inline-block;
        text-decoration: none;
    }
    .bf1_z_img{
        width: 100%;
        height: auto;
    }
    .bf1_z_z{
        width: 100%;
        height: auto;
        font-size: 0px;
        padding: 10px;
        box-sizing: border-box;
        display: grid;
        grid-template-rows: repeat(2,auto);
        grid-gap: 6px;
    }
    .bf1_z_z_bt{
        width: 100%;
        height: auto;
        font-size: 14px;
        color: darkcyan;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        text-align: left;
    }
    .bf1_z_z_jg{
        width: 100%;
        height: auto;
        font-size: 18px;
        color: mediumvioletred;
        text-align: left;
    }
    .bf1_z_z_span{
        font-size: 14px;
        color: black;
        text-align: left;
    }


    .bf2{
        width: 100%;
        height: auto;
        font-size: 0px;
        display: grid;
        grid-gap: 15px;
    }
    .bf2_z{
        width: 100%;
        height: auto;
        font-size: 0px;
        display: grid;
        grid-template-columns: 90px 1fr;
        box-sizing: border-box;
        text-decoration: none;
    }
    .bf2_z:hover{
        border: darkcyan 1px solid;
    }
    .bf2_z_1{
        width: 100%;
        height: 90px;
        display: grid;
        grid-template-rows: auto auto;
        grid-gap: 5px;
        font-size: 0px;
        background: darkcyan;
        align-items: center;
        padding: 20px 10px;
        box-sizing: border-box;
    }
    .bf2_z_1_1{
        width: 100%;
        height: auto;
        font-size: 22px;
        color: white;
        text-align: center;
    }
    .bf2_z_1_hr{
        width: 100%;
        height: 1px;
        background: white;
        border: none;
    }
    .bf2_z_1_2{
        width: 100%;
        height: auto;
        text-align: center;
        font-size: 14px;
        color: white;
    }
    .bf2_z_2{
        width: 100%;
        height: 90px;
        padding: 10px;
        display: flex;
        align-items: center;
        word-break: break-all;
        justify-content: flex-start;
        box-sizing: border-box;
        background: rgb(235, 235, 235);
        font-size: 0px;
    }
    .bf2_z_2_z{
        display: -webkit-box;
        -webkit-line-clamp: 2;          /* 限制显示的行数 */
        -webkit-box-orient: vertical;
        overflow: hidden;
        text-overflow: ellipsis;
        word-break: break-word;          /* 可选，避免长单词撑破布局 */
        width: 100%;
        max-height: 46px;
        height: auto;
        font-size: 14px;
        line-height: 23px;
        color: black;
        text-align: left;
    }
}