@media only screen and (min-width: 996px) {
    .ML_intro {
        max-width: 1730px;
        margin: 60px auto;
        padding: 0 65px;
    }
    .ML_intro_title {
        margin-bottom: 50px;
    }
    .ML_intro_title p {
        font-size: 30px;
        color: var(--main-color-333);
        text-align: center;
    }
    .ML_intro_title span {
        display: block;
        text-align: center;
        color: #929693;
        font-size: 14px;
        margin-top: 10px;
    }
    .ML_intro ul {
        display: flex;
        flex-wrap: wrap;
    }
    .ML_intro ul li {
        width: calc((100% - 75px) / 4);
        margin-right: 25px;
        margin-bottom: 25px;
        box-shadow: 0 0 17px 3px rgba(207, 221, 213, 0.35);
        transition: var(--main-transition);
    }
    .ML_intro ul li:nth-child(4n) {
        margin-right: 0;
    }
    .intro_top {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        height: 155px;
        border-top-left-radius: 10px;
        padding: 5px 20px;
        border-top-right-radius: 10px;
        background-size: cover;
        background-repeat: no-repeat;
    }
    .intro_top p {
        font-size: 18px;
        color: var(--main-color-white);
    }
    .intro_top span {
        font-size: 16px;
        display: block;
        margin: 10px 0;
        color: var(--main-color-white);
    }
    .intro_top a {
        border-radius: 40px;
        font-size: 14px;
        padding: 5px 20px;
        display: block;
        color: var(--main-color-white);
        border: 1px solid rgba(255, 255, 255, .4);
    }
    .ML_intro ul li:nth-child(1) .intro_top {
        background-image: url(../images/introbg1.png);
    }
    .ML_intro ul li:nth-child(2) .intro_top {
        background-image: url(../images/introbg2.png);
    }
    .ML_intro ul li:nth-child(3) .intro_top {
        background-image: url(../images/introbg3.png);
    }
    .ML_intro ul li:nth-child(4) .intro_top {
        background-image: url(../images/introbg4.png);
    }
    .ML_intro ul li:hover {
        transform: translateY(-20px);
    }
    .intro_bot {
        padding: 20px 40px;
        height: 300px;
        border-bottom-left-radius: 10px;
        border-bottom-right-radius: 10px;
        overflow: hidden;
    }
    .intro_bot span {
        font-size: 14px;
        display: block;
        color: var(--main-color-666);
        margin-bottom: 20px;
        position: relative;
    }
    .intro_bot span::after {
        position: absolute;
        left: -10px;
        bottom: 6px;
        content: '';
        background-color: var(--main-color-666);
        width: 3px;
        height: 3px;
        border-radius: 50%;
    }
    .intro_bot a {
        display: block;
        width: 125px;
        height: 40px;
        line-height: 40px;
        text-align: center;
        color: var(--main-color-white);
        font-size: 14px;
        border-radius: 40px;
        margin: 0 auto;
        margin-top: 30px;
    }
    .ML_intro ul li:nth-child(1) .intro_bot a {
        background-color: #9bbed2;
    }
    .ML_intro ul li:nth-child(2) .intro_bot a {
        background-color: #2c99fb;
    }
    .ML_intro ul li:nth-child(3) .intro_bot a {
        background-color: #7c69fe;
    }
    .ML_intro ul li:nth-child(4) .intro_bot a {
        background-color: #eabc77;
    }
    .contract {
        max-width: 1730px;
        padding: 0 65px;
        margin: 0 auto;
        margin: 50px auto;
    }
    .contract_title {
        margin-bottom: 60px;
    }
    .contract_title p {
        font-size: 26px;
        text-align: center;
        color: var(--main-color-333);
        margin-bottom: 25px;
    }
    .contract_title span {
        display: flex;
        color: var(--main-color-333);
        align-items: center;
        font-size: 14px;
        justify-content: center;
    }
    .contract_title em {
        font-style: normal;
        width: 20px;
        height: 20px;
        display: flex;
        color: var(--main-color-white);
        font-size: 14px;
        border-radius: 50%;
        justify-content: center;
        margin-right: 5px;
        background-color: var(--main-color);
    }
    .contract_title img {
        width: 15px;
        height: 15px;
        display: block;
        margin: 0 3px;
    }
    .contract_mb {
        display: none;
    }
    .db_row {
        display: flex;
    }
    .db_item {
        position: relative;
        width: calc(100% / 7);
        border-left: 1px solid #f0f0f5;
        border-top: 1px solid #f0f0f5;
        padding: 30px 15px;
    }
    .db_version {
        position: absolute;
        font-size: 18px;
        font-weight: bold;
        right: 30px;
        top: 30px;
    }
    .db_title .db_item {
        padding: 30px 15px;
    }
    .a_stck {
        position: sticky;
        top: 70px;
        left: 0;
    }
    .addshadow {
        box-shadow: var(--main-shadow);
    }
    .db_title {
        transition: var(--main-transition);
        background-color: var(--main-color-white);
        z-index: 9;
        width: 100%;
    }
    .db_function {
        position: absolute;
        font-size: 18px;
        font-weight: bold;
        left: 30px;
        bottom: 30px;
    }
    .db_title .db_item p {
        font-size: 16px;
        color: var(--main-color-333);
        margin-bottom: 20px;
        text-align: center;
    }
    .db_title .db_item a {
        display: block;
        text-align: center;
        line-height: 40px;
        margin: 0 auto;
        width: 80%;
        height: 40px;
        border-radius: 50px;
        background-color: var(--main-color);
        color: var(--main-color-white);
        transition: var(--main-transition);
    }
    .db_title .db_item a:hover {
        box-shadow: var(--main-shadow);
    }
    .db_through {
        width: 83%;
        background-color: #f0f0f5;
        height: 1px;
        transform: rotate(33deg);
        position: absolute;
        top: 75px;
    }
    .db_item {
        padding: 15px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        color: var(--main-color-333);
    }
    .year_num {
        font-size: 16px !important;
        color: var(--main-color-333) !important;
        text-align: center;
    }
    #year_1 .db_item {
        font-size: 22px;
        text-align: center;
        color: var(--main-color);
    }
    #year_1 .db_item a {
        color: var(--main-color);
    }
    .zan {
        position: absolute;
        width: 30px;
        height: 30px;
        right: 55px;
        top: 20px;
    }
    .db_row .db_item:last-child {
        border-right: 1px solid #f0f0f5;
    }
    .db_price {
        position: relative;
    }
    .db_ll_title {
        position: absolute;
        width: calc(100% / 7);
        left: 0;
        height: 100%;
        background-color: var(--main-color-white);
        z-index: 9;
        display: flex;
        border-top: 1px solid #f0f0f5;
        border-left: 1px solid #f0f0f5;
        align-items: center;
        flex-direction: column;
        justify-content: center;
        font-size: 18px;
        font-weight: bold;
        color: var(--main-color-333);
    }
    .db_diff {
        position: relative;
        /* box-shadow: var(--main-shadow); */
    }
    .db_diff p {
        font-size: 16px;
    }
    .db_supp p {
        width: 100%;
        padding-left: 13px;
        position: relative;
        text-align: left;
        font-size: 14px;
        color: var(--main-color-555);
    }
    .db_supp p::after {
        position: absolute;
        width: 4px;
        height: 4px;
        left: 0;
        border-radius: 50%;
        top: 8px;
        content: '';
        background-color: var(--main-color);
    }
    .has_ques {
        position: relative;
    }
    .has_ques p {
        display: flex;
        align-items: center;
    }
    .has_ques p img {
        display: block;
        margin-left: 5px;
        cursor: pointer;
    }
    .ques_tc {
        position: absolute;
        width: 100%;
        width: 180px;
        box-shadow: var(--main-shadow);
        font-size: 14px;
        background-color: var(--main-color-white);
        top: -33px;
        left: 90%;
        z-index: 9;
        transition: var(--main-transition);
        border: 1px solid #efefef;
        opacity: 0;
        visibility: hidden;
    }
    .showtips {
        opacity: 1 !important;
        visibility: visible !important;
    }
    .ques_tccon {
        position: relative;
        padding: 15px;
    }
    .ques_tccon::after {
        content: "";
        position: absolute;
        bottom: 0;
        /* 或者 top: 0, left: 0, right: 0，取决于你想要三角形的位置 */
        left: 0;
        top: 45%;
        /* 如果你想让三角形在元素中居中，可以设置left为50% */
        transform: rotate(-90deg);
        /* 使用transform来水平居中三角形 */
        width: 0;
        height: 0;
        border-left: 10px solid transparent;
        /* 左边框透明 */
        border-right: 10px solid transparent;
        /* 右边框透明 */
        border-bottom: 10px solid #fff;
        box-shadow: var(--main-shadow);
        left: -15px;
        /* 底部边框为你想要的三角形颜色 */
    }
    .db_addservice {
        position: relative;
    }
    .db_secu .db_ll_title {
        border-bottom: 1px solid #f0f0f5;
    }
    .db_secu .db_row:last-child .db_item {
        border-bottom: 1px solid #f0f0f5;
    }
}

@media only screen and (max-width: 996px) {
    .contract_title {
        font-size: 20px;
        text-align: center;
        color: var(--main-color-333);
        margin-bottom: 25px;
    }
    .t_body {
        height: 400px;
        overflow-y: scroll;
    }
    .suppo p {
        text-align: left !important;
        margin-top: 5px;
    }
    .suppo p span {
        color: var(--main-color);
    }
    .tdtitle {
        text-align: left !important;
    }
    .contract_mb table {
        overflow-x: scroll;
        border-collapse: collapse;
        width: 100%;
        display: block;
    }
    .contract_mb table td {
        padding: 5px 10px;
        font-size: 12px;
        border: 1px solid #efefef;
        color: var(--main-color-666);
        text-align: center;
    }
    .t_head td p {
        color: var(--main-color-666);
        font-size: 14px;
    }
    .t_head td {
        font-size: 14px;
        white-space: nowrap;
        padding: 10px 20px;
        text-align: center;
    }
    .th a {
        color: var(--main-color);
    }
    .t_head td a {
        width: 80px;
        margin-top: 5px;
        height: 30px;
        background-color: var(--main-color);
        display: block;
        line-height: 30px;
        color: var(--main-color-white);
        line-height: 30px;
        border-radius: 50px;
        text-align: center;
        font-size: 12px;
    }
    .contract_mb {
        padding: 30px 15px;
    }
    .imp {
        color: var(--main-color);
    }
    .contract_pc {
        display: none;
    }
    .c_table {
        display: none;
    }
    .ML_intro {
        padding: 30px 15px;
    }
    .ML_intro_title {
        margin-bottom: 30px;
    }
    .ML_intro_title p {
        font-size: 25px;
        color: var(--main-color-333);
        text-align: center;
    }
    .ML_intro_title span {
        display: block;
        text-align: center;
        color: #929693;
        font-size: 14px;
        margin-top: 5px;
    }
    .ML_intro ul {
        display: flex;
        flex-wrap: wrap;
    }
    .ML_intro ul li {
        width: 100%;
        box-shadow: 0 0 17px 3px rgba(207, 221, 213, 0.35);
        transition: var(--main-transition);
        margin-bottom: 20px;
    }
    .intro_top {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        border-top-left-radius: 10px;
        padding: 15px 20px;
        border-top-right-radius: 10px;
        background-size: cover;
        background-repeat: no-repeat;
    }
    .intro_top p {
        font-size: 16px;
        color: var(--main-color-white);
    }
    .intro_top span {
        font-size: 14px;
        display: block;
        margin: 10px 0;
        color: var(--main-color-white);
    }
    .intro_top a {
        border-radius: 40px;
        font-size: 14px;
        padding: 5px 15px;
        display: block;
        color: var(--main-color-white);
        border: 1px solid rgba(255, 255, 255, .4);
    }
    .ML_intro ul li:nth-child(1) .intro_top {
        background-image: url(../images/introbg1.png);
    }
    .ML_intro ul li:nth-child(2) .intro_top {
        background-image: url(../images/introbg2.png);
    }
    .ML_intro ul li:nth-child(3) .intro_top {
        background-image: url(../images/introbg3.png);
    }
    .ML_intro ul li:nth-child(4) .intro_top {
        background-image: url(../images/introbg4.png);
    }
    .intro_bot {
        padding: 25px 50px;
        border-bottom-left-radius: 10px;
        border-bottom-right-radius: 10px;
        overflow: hidden;
    }
    .intro_bot span {
        font-size: 14px;
        display: block;
        color: var(--main-color-666);
        margin-bottom: 10px;
        position: relative;
    }
    .intro_bot span::after {
        position: absolute;
        left: -10px;
        bottom: 6px;
        content: '';
        background-color: var(--main-color-666);
        width: 3px;
        height: 3px;
        border-radius: 50%;
    }
    .intro_bot a {
        display: block;
        width: 125px;
        height: 40px;
        line-height: 40px;
        text-align: center;
        color: var(--main-color-white);
        font-size: 14px;
        border-radius: 40px;
        margin: 0 auto;
        margin-top: 30px;
    }
    .ML_intro ul li:nth-child(1) .intro_bot a {
        background-color: #9bbed2;
    }
    .ML_intro ul li:nth-child(2) .intro_bot a {
        background-color: #2c99fb;
    }
    .ML_intro ul li:nth-child(3) .intro_bot a {
        background-color: #7c69fe;
    }
    .ML_intro ul li:nth-child(4) .intro_bot a {
        background-color: #eabc77;
    }
}