@media screen and (min-width:1800px) {
    .Fu{
        width: 100%;
        height: 100%;
        font-size: 0px;
        margin: 0px;
        padding: 0px;
        display: grid;
        grid-template-columns: auto 1fr;
        font-size: 0px;
    }
    .pt{
        width: 100vh;
        height: 100vh;
    }
    .zi{
        width: 100%;
        height: 100%;
        font-size: 0px;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 60px;
        box-sizing: border-box;
        position: relative;
        background: url('../imgs/dl_bd_bk.jpg') no-repeat center center;
        background-size: cover;
    }
    .zi_qh{
        width: auto;
        height: auto;
        font-size: 18px;
        color: darkblue;
        text-decoration: none;
        position: absolute;
        right: 30px;
        top: 30px;
        cursor: pointer;
    }
    .zi_zi{
        width: 100%;
        height: auto;
        max-width: 500px;
        display: grid;
        grid-template-columns: 1fr 80px;
        grid-gap: 15px;
        font-size: 0px;
    }
    .zi_zi_bt{
        width: 100%;
        height: auto;
        grid-column-start: 1;
        grid-column-end: 3;
        color: darkred;
        font-size: 26px;
        text-align: center;
        font-weight: 800;
    }
    .zi_zi_inp1{
        width: 100%;
        height: 40px;
        background: white;
        outline: none;
        list-style-type: none;
        margin: 0px;
        padding: 0px;
        border: darkred 1px solid;
        box-sizing: border-box;
        font-size: 14px;
        color: darkred;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 5px;
    }
    .zi_zi_btn1{
        width: 100%;
        height: 40px;
        background: darkred;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
        cursor: pointer;
        border-radius: 5px;
    }
    .zi_zi_inp2{
        width: 100%;
        height: 40px;
        background: white;
        outline: none;
        list-style-type: none;
        margin: 0px;
        padding: 0px;
        border: darkred 1px solid;
        box-sizing: border-box;
        font-size: 14px;
        color: darkred;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 5px;
        grid-column-start: 1;
        grid-column-end: 3;
    }
    .zi_zi_btn2{
        width: 100%;
        height: auto;
        grid-column-start: 1;
        grid-column-end: 3;
        font-size: 0px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-gap: 15px;
    }
    .zi_zi_btn2_1{
        width: 100%;
        height: 40px;
        background: mediumseagreen;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
        cursor: pointer;
        border-radius: 5px;
    }
    .zi_zi_btn2_2{
        width: 100%;
        height: 40px;
        background: mediumvioletred;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
        cursor: pointer;
        border-radius: 5px;
    }
}


@media screen and (min-width:1200px) and (max-width:1800px) {
    .Fu{
        width: 100%;
        height: 100%;
        font-size: 0px;
        margin: 0px;
        padding: 0px;
        display: grid;
        grid-template-columns: auto 1fr;
        font-size: 0px;
    }
    .pt{
        width: 100vh;
        height: 100vh;
    }
    .zi{
        width: 100%;
        height: 100%;
        font-size: 0px;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 60px;
        box-sizing: border-box;
        position: relative;
        background: url('../imgs/dl_bd_bk.jpg') no-repeat center center;
        background-size: cover;
    }
    .zi_qh{
        width: auto;
        height: auto;
        font-size: 18px;
        color: darkblue;
        text-decoration: none;
        position: absolute;
        right: 30px;
        top: 30px;
        cursor: pointer;
    }
    .zi_zi{
        width: 100%;
        height: auto;
        max-width: 500px;
        display: grid;
        grid-template-columns: 1fr 80px;
        grid-gap: 15px;
        font-size: 0px;
    }
    .zi_zi_bt{
        width: 100%;
        height: auto;
        grid-column-start: 1;
        grid-column-end: 3;
        color: darkred;
        font-size: 26px;
        text-align: center;
        font-weight: 800;
    }
    .zi_zi_inp1{
        width: 100%;
        height: 40px;
        background: white;
        outline: none;
        list-style-type: none;
        margin: 0px;
        padding: 0px;
        border: darkred 1px solid;
        box-sizing: border-box;
        font-size: 14px;
        color: darkred;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 5px;
    }
    .zi_zi_btn1{
        width: 100%;
        height: 40px;
        background: darkred;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
        cursor: pointer;
        border-radius: 5px;
    }
    .zi_zi_inp2{
        width: 100%;
        height: 40px;
        background: white;
        outline: none;
        list-style-type: none;
        margin: 0px;
        padding: 0px;
        border: darkred 1px solid;
        box-sizing: border-box;
        font-size: 14px;
        color: darkred;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 5px;
        grid-column-start: 1;
        grid-column-end: 3;
    }
    .zi_zi_btn2{
        width: 100%;
        height: auto;
        grid-column-start: 1;
        grid-column-end: 3;
        font-size: 0px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-gap: 15px;
    }
    .zi_zi_btn2_1{
        width: 100%;
        height: 40px;
        background: mediumseagreen;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
        cursor: pointer;
        border-radius: 5px;
    }
    .zi_zi_btn2_2{
        width: 100%;
        height: 40px;
        background: mediumvioletred;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
        cursor: pointer;
        border-radius: 5px;
    }
}


@media screen and (min-width:600px) and (max-width:1200px) {
    .Fu{
        width: 100%;
        height: auto;
        font-size: 0px;
        margin: 0px;
        padding: 0px;
        display: grid;
        /* grid-template-columns: auto 1fr; */
        font-size: 0px;
    }
    .pt{
        width: 100%;
        height: auto;
    }
    .zi{
        width: 100%;
        height: auto;
        font-size: 0px;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 60px;
        box-sizing: border-box;
        position: relative;
        background: url('../imgs/dl_bd_bk.jpg') no-repeat center center;
        background-size: cover;
    }
    .zi_qh{
        width: auto;
        height: auto;
        font-size: 18px;
        color: darkblue;
        text-decoration: none;
        position: absolute;
        right: 15px;
        top: 15px;
        cursor: pointer;
    }
    .zi_zi{
        width: 100%;
        height: auto;
        max-width: 500px;
        display: grid;
        grid-template-columns: 1fr 80px;
        grid-gap: 15px;
        font-size: 0px;
    }
    .zi_zi_bt{
        width: 100%;
        height: auto;
        grid-column-start: 1;
        grid-column-end: 3;
        color: darkred;
        font-size: 26px;
        text-align: center;
        font-weight: 800;
    }
    .zi_zi_inp1{
        width: 100%;
        height: 40px;
        background: white;
        outline: none;
        list-style-type: none;
        margin: 0px;
        padding: 0px;
        border: darkred 1px solid;
        box-sizing: border-box;
        font-size: 14px;
        color: darkred;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 5px;
    }
    .zi_zi_btn1{
        width: 100%;
        height: 40px;
        background: darkred;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
        cursor: pointer;
        border-radius: 5px;
    }
    .zi_zi_inp2{
        width: 100%;
        height: 40px;
        background: white;
        outline: none;
        list-style-type: none;
        margin: 0px;
        padding: 0px;
        border: darkred 1px solid;
        box-sizing: border-box;
        font-size: 14px;
        color: darkred;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 5px;
        grid-column-start: 1;
        grid-column-end: 3;
    }
    .zi_zi_btn2{
        width: 100%;
        height: auto;
        grid-column-start: 1;
        grid-column-end: 3;
        font-size: 0px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-gap: 15px;
    }
    .zi_zi_btn2_1{
        width: 100%;
        height: 40px;
        background: mediumseagreen;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
        cursor: pointer;
        border-radius: 5px;
    }
    .zi_zi_btn2_2{
        width: 100%;
        height: 40px;
        background: mediumvioletred;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
        cursor: pointer;
        border-radius: 5px;
    }
}


@media screen and (max-width:600px) {
    .Fu{
        width: 100%;
        height: auto;
        font-size: 0px;
        margin: 0px;
        padding: 0px;
        display: grid;
        /* grid-template-columns: auto 1fr; */
        font-size: 0px;
    }
    .pt{
        width: 100%;
        height: auto;
    }
    .zi{
        width: 100%;
        height: auto;
        font-size: 0px;
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 60px;
        box-sizing: border-box;
        position: relative;
        background: url('../imgs/dl_bd_bk.jpg') no-repeat center center;
        background-size: cover;
    }
    .zi_qh{
        width: auto;
        height: auto;
        font-size: 18px;
        color: darkblue;
        text-decoration: none;
        position: absolute;
        right: 15px;
        top: 15px;
        cursor: pointer;
    }
    .zi_zi{
        width: 100%;
        height: auto;
        max-width: 310px;
        display: grid;
        grid-template-columns: 1fr 80px;
        grid-gap: 15px;
        font-size: 0px;
    }
    .zi_zi_bt{
        width: 100%;
        height: auto;
        grid-column-start: 1;
        grid-column-end: 3;
        color: darkred;
        font-size: 26px;
        text-align: center;
        font-weight: 800;
    }
    .zi_zi_inp1{
        width: 100%;
        height: 40px;
        background: white;
        outline: none;
        list-style-type: none;
        margin: 0px;
        padding: 0px;
        border: darkred 1px solid;
        box-sizing: border-box;
        font-size: 14px;
        color: darkred;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 5px;
    }
    .zi_zi_btn1{
        width: 100%;
        height: 40px;
        background: darkred;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
        cursor: pointer;
        border-radius: 5px;
    }
    .zi_zi_inp2{
        width: 100%;
        height: 40px;
        background: white;
        outline: none;
        list-style-type: none;
        margin: 0px;
        padding: 0px;
        border: darkred 1px solid;
        box-sizing: border-box;
        font-size: 14px;
        color: darkred;
        display: flex;
        justify-content: center;
        align-items: center;
        border-radius: 5px;
        grid-column-start: 1;
        grid-column-end: 3;
    }
    .zi_zi_btn2{
        width: 100%;
        height: auto;
        grid-column-start: 1;
        grid-column-end: 3;
        font-size: 0px;
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-gap: 15px;
    }
    .zi_zi_btn2_1{
        width: 100%;
        height: 40px;
        background: mediumseagreen;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
        cursor: pointer;
        border-radius: 5px;
    }
    .zi_zi_btn2_2{
        width: 100%;
        height: 40px;
        background: mediumvioletred;
        color: white;
        display: flex;
        justify-content: center;
        align-items: center;
        font-size: 14px;
        cursor: pointer;
        border-radius: 5px;
    }
}