* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    list-style: none;
}

div {
    display: block;
}

.main {
    width: 100%;
    overflow: hidden;
}

.banner_nr {
    position: relative;
}

.banner_nr_prc img {
    width: 100%;
    display: block;
    min-height: 70vh;
    object-fit: cover;
}

.banner_nr_zi {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.banner_nr_zi h6 {
    font-size: 50px;
    line-height: 60px;
    font-family: HarmonyOS_Sans_SC_Medium;
    color: #333333;
    letter-spacing: 2px;
}

.banner_nr_zi h6 span {
    color: #ff5101;
}

.banner_nr_zi p {
    width: 600px;
    margin-top: 40px;
    font-size: 28px;
    line-height: 42px;
    font-family: HarmonyOS_Sans_SC_Light;
    color: #333333;
}

.M_box1 {
    padding: 120px 0;
    background: #ffffff;
}

.M_box1 .M_box_title {
    text-align: center;
    margin-bottom: 109px;
}

.M_box_title h6 {
    font-size: 48px;
    line-height: 1;
    font-family: HarmonyOS_Sans_SC_Bold;
    color: #222222;
    margin-bottom: 30px;
    justify-content: center;
}

.M_box_title .znc {
    font-size: 22px;
    line-height: 1;
    justify-content: center;
    font-family: HarmonyOS_Sans_SC_Light;
    color: #000000;
}

.M_box1_bom ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.M_box1_bom_box {
    display: flex;
    align-items: center;
    flex-direction: column;
}

.M_box1_bom_box img {
    display: block;
    max-width: 80px;
    max-height: 80px;
    height: 80px;
    margin-bottom: 27px;
}

.M_box1_bom_box p {
    font-size: 18px;
    line-height: 1;
    font-family: HarmonyOS_Sans_SC_Medium;
    color: #333333;
}

.M_box2 {
    padding: 116px 0 120px;
    background: #fafafa;
}

.M_box2 .M_box_title {
    text-align: center;
    margin-bottom: 60px;
}

.M_box2_bom {
    width: 100%;
}

.M_box2_bom ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.M_box2_bom ul li {
    width: 31.5%;
    height: 175px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    margin-bottom: 40px;
    transition: all 0.6s ease;
}

.M_box2_bom ul li:hover {
    background: #ff5101;
}

.M_box2_bom ul li .M_box2_bom_box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 85%;
}

.M_box2_bom_box_l .iconfont {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 115px;
    height: 115px;
    border-radius: 50%;
    background: #ffede5;
    font-size: 50px;
    color: #ff5101;
    transition: all 0.5s ease;
}

.M_box2_bom ul li:hover .M_box2_bom_box_l .iconfont {
    color: #ffffff;
    background: #ff631b;
}

.M_box2_bom_box_r {
    width: 230px;
}

.M_box2_bom_box_r span {
    display: block;
    font-size: #333333;
    line-height: 1;
    font-family: HarmonyOS_Sans_SC_Medium;
    color: #ff5101;
    font-size: 20px;
    margin-bottom: 13px;
    transition: all 0.5s ease;
}

.M_box2_bom ul li:hover .M_box2_bom_box_r span {
    color: #ffffff;

}

.M_box2_bom_box_r p {
    font-size: 15px;
    line-height: 24px;
    color: #777777;
    font-family: HarmonyOS_Sans_SC_Medium;
    height: 48px;
    transition: all 0.5s ease;
}

.M_box2_bom ul li:hover .M_box2_bom_box_r p {
    color: #ffffff;
}

.M_box3 {
    background: url(../images/M_box3_bj.jpg) no-repeat;
    background-size: cover;
    padding: 120px 0 100px;
}

.M_box3 .M_box_title {
    text-align: center;
    margin-bottom: 60px;
}

.M_box3 .M_box_title h6 {
    color: #ffffff;
}

.M_box3 .M_box_title p {
    color: #ffffff;
}

.M_box3_bom ul {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.M_box3_bom ul li {
    width: 23.6%;

}

.M_box3_bom_box {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.2);
    height: 400px;
}

.M_box3_bom_box_prc img {
    display: block;
    margin: 0 auto;
    margin-bottom: 60px;
}

.M_box3_bom_box_zi h6 {
    text-align: center;
    font-size: 24px;
    line-height: 1;
    color: #ffffff;
    margin-bottom: 15px;
    font-family: HarmonyOS_Sans_SC_Medium;
}

.M_box3_bom_box_zi p {
    text-align: center;
    font-size: 15px;
    line-height: 1;
    font-family: HarmonyOS_Sans_SC_Medium;
    color: #ffffff;
}

.M_box3_bom_btn {
    margin-top: 50px;
}

.M_box3_bom_btn .M_box3_more {
    width: 230px;
    height: 60px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: HarmonyOS_Sans_SC_Medium;
    font-size: 16px;
    color: #ffffff;
    margin: 0 auto;
    background: #ff5101;
}

.M_box4 {
    padding: 120px 0 150px;
    background: url(../images/M_box4_bj.jpg) no-repeat;
    background-size: 100% 100%;
}

.M_box4 .M_box_title {
    margin-bottom: 60px;
    text-align: center;
}

.M_box4_bom ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.M_box4_bom ul li {
    width: 255px;
    height: 80px;
    background: linear-gradient(to bottom, #f3f5f8, #ffffff);
    display: flex;
    align-items: center;
    border: 2px solid #ffffff;
    border-radius: 8px;
    margin-bottom: 30px;
}

.M_box4_bom_box {
    display: flex;
    align-items: center;
    margin-left: 24px;
}

.M_box4_bom_box .iconfont {
    display: block;
    margin-right: 18px;
    font-size: 20px;
    color: #ff5101;
}

.M_box4_bom_box p {
    font-size: 18px;
    line-height: 1;
    font-family: HarmonyOS_Sans_SC_Medium;
    color: #333333;
}


.M_box4_bom_btn {
    margin-top: 30px;
}

.M_box4_bom_btn .M_box4_more {
    width: 230px;
    height: 60px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: HarmonyOS_Sans_SC_Medium;
    font-size: 16px;
    color: #ffffff;
    margin: 0 auto;
    background: #ff5101;
}

.M_box5 {
    background: #f5f7fa;
    padding: 120px 0 90px;
}

.M_box5 .M_box_title {
    text-align: center;
    margin-bottom: 60px;
}

.M_box5_bom .swiper {
    margin-bottom: 40px;
}

.M_box5_bom .swiper .swiper-wrapper {
    transition-timing-function: linear;
}

.M_box5_bom .swiper .swiper-wrapper .swiper-slide {
    overflow: hidden;
}

.M_box5_bom img {
    display: block;
    margin: 5px;
    width: 100%;
    transition: all 0.5s ease;
}

.M_box5_bom img:hover {
    transform: scale(1.1);
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}

/* transition-timing-function:linear; */

.M_box6 {
    padding: 120px 0;
    background: #ffffff;
}

.M_box6 .M_box_title {
    text-align: center;
    margin-bottom: 60px;
}

.M_box6_bom_prc img {
    display: block;
    margin: 0 auto;
    width: 100%;
}

.M_box7 {
    padding: 120px 0 140px;
    background-image: url(../images/M_box7_bj.jpg);
    background-size: 100% 100%;
    background-color: #0b1934;
}

.M_box7 .M_box_title {
    text-align: center;
    margin-bottom: 60px;
}

.M_box7 .M_box_title h6 {
    color: #ffffff;
}

.M_box7 .M_box_title p {
    color: #ffffff;
}

.M_box7_bom ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.M_box7_bom ul li {
    margin-bottom: 30px;
}

.M_box7_bom ul li .M_box7_box {
    width: 330px;
    height: 150px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #ffffff;
    position: relative;
    overflow: hidden;
    z-index: 2;
}

.M_box7_bom ul li .M_box7_box::before {
    content: "";
    display: block;
    width: 0;
    height: 0;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: #ff5101;
    z-index: -1;
    transition: all 0.8s ease;
    border-radius: 50%;
}

.M_box7_bom ul li .M_box7_box:hover:before {
    width: 130%;
    padding-top: 100%;
}

.M_box7_bom ul li .M_box7_box .iconfont {
    display: block;
    margin-bottom: 20px;
    font-size: 30px;
}

.M_box7_bom ul li .M_box7_box p {
    font-size: 20px;
    color: #ffffff;
    line-height: 1;
    font-family: HarmonyOS_Sans_SC_Medium;

}

.M_box8 {
    padding: 80px 0;
    background: url(../images/M_box8_bj.jpg) no-repeat;
    background-size: 100% 100%;
}

.M_box8_cen {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.M_box8_r {
    width: 760px;
}

.M_box8_title {
    margin-bottom: 40px;
    color: #ffffff;
}

.M_box8_title h6 {
    font-size: 36px;
    line-height: 1;
    font-family: HarmonyOS_Sans_SC_Bold;

    margin-bottom: 20px;
}

.M_box8_title p {
    font-size: 24px;
    line-height: 1;
    font-family: HarmonyOS_Sans_SC_Medium;
}

.M_box8_phon {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    font-size: 19px;
    color: #ffffff;
    font-family: "HarmonyOS_Sans_SC_Medium";
}

.M_box8_phon p {
    margin: 0 8px;
}

.M_box8_phon .iconfont {
    font-size: 24px;
    color: #ffffff;
    margin-right: 15px;
}

.M_box8_r {
    padding: 30px;
    border-radius: 10px;
}

.M_box8_r form {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.M_box8_r form input {
    width: 340px;
    height: 60px;
    background: #ffffff;
    border: none;
    outline: none;
    text-indent: 1.2em;
    margin-bottom: 15px;
    border-radius: 3px;
}

.M_box8_r form input::placeholder {
    font-size: 16px;
    color: #666666;
    font-family: HarmonyOS_Sans_SC_Medium;
}

.M_box8_r form input.xq {
    width: 490px;
}

.M_box8_r form .M_box8_r_btn {
    width: 190px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    background: #ff5101;
    margin-bottom: 15px;
    font-size: 16px;
    font-family: HarmonyOS_Sans_SC_Medium;
    letter-spacing: 1px;
    border-radius: 3px;
    cursor: pointer;
    border: 0;
}

.M_box9 {
    padding: 120px 0 200px;
    background: url(../images/M_box9_bj.jpg) no-repeat;
    background-size: cover;
    background-position: bottom center;
}

.M_box9 .M_box_title {
    text-align: center;
    margin-bottom: 78px;
}

.M_box9_bom {
    position: relative;
}

.M_box9_bom img {
    display: block;
    width: 100%;
}

.swiper-button-nt9 {
    position: absolute;
    top: 50%;
    right: -86px;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #f1f1f1;
    background: #f5f6f9;
    color: #9398b4;
    transition: all 0.3s ease;
    cursor: pointer;
}

.swiper-button-nt9:hover {
    background: #ffffff;
    color: #ff5101;
    box-shadow: 0 0 10px rgba(255, 81, 1, 0.6);
    border-color: rgba(255, 81, 1, 0.6);
}

.M_box9_bom .iconfont {
    font-size: 20px;
}

.swiper-button-pv9 {
    position: absolute;
    top: 50%;
    left: -86px;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #f1f1f1;
    background: #f5f6f9;
    color: #9398b4;
    transition: all 0.3s ease;
    cursor: pointer;
}

.swiper-button-pv9:hover {
    background: #ffffff;
    color: #ff5101;
    box-shadow: 0 0 10px rgba(255, 81, 1, 0.6);
    border-color: rgba(255, 81, 1, 0.6);
}

.swiper-button-pv9 .iconfont {
    transform: rotate(180deg);
}

@media (max-width: 1600px) {
    .banner_nr_zi h6 {
        font-size: 46px;
        line-height: 55px;
        letter-spacing: 1px;
    }

    .banner_nr_zi p {
        margin-top: 35px;
        font-size: 24px;
        line-height: 38px;
    }

    .M_box1 {
        padding: 99px 0;
    }

    .M_box1 .M_box_title {
        margin-bottom: 92px;
    }

    .M_box1_bom_box img {
        display: block;
        max-width: 75px;
        max-height: 75px;
        height: 75px;
        margin-bottom: 20px;
    }

    .M_box2 {
        padding: 95px 0 100px;
    }

    .M_box_title h6 {
        font-size: 45px;
        margin-bottom: 20px;
    }

    .M_box_title .znc {
        font-size: 20px;
    }

    .M_box2 .M_box_title {
        text-align: center;
        margin-bottom: 50px;
    }

    .M_box2_bom_box_l .iconfont {
        width: 100px;
        height: 100px;
        font-size: 45px;
    }

    .M_box2_bom ul li .M_box2_bom_box {
        width: 90%;
    }

    .M_box2_bom ul li {
        margin-bottom: 30px;

    }

    .M_box3 {
        padding: 100px 0 80px;
    }

    .M_box3_bom_box_prc img {
        margin-bottom: 50px;
    }

    .M_box3_bom_box_zi h6 {
        font-size: 22px;
        margin-bottom: 13px;
    }

    .M_box3_bom_box {
        height: 380px;
    }

    .M_box3_bom_btn {
        margin-top: 40px;
    }

    .M_box3_bom_btn .M_box3_more {
        width: 220px;
        height: 55px;
    }

    .M_box4 {
        padding: 100px 0 130px;
    }

    .M_box4 .M_box_title {
        margin-bottom: 50px;
    }

    .M_box4_bom ul li {
        width: 250px;
        height: 70px;
        margin-bottom: 20px;
    }

    .M_box4_bom_box p {
        font-size: 17px;
    }

    .M_box5 {
        padding: 100px 0 75px;
    }

    .M_box5 .M_box_title {
        margin-bottom: 50px;
    }

    .M_box6 {
        padding: 100px 0;
    }

    .M_box6 .M_box_title {
        margin-bottom: 50px;
    }

    .M_box7 {
        padding: 85px 0 100px;
    }

    .M_box7 .M_box_title {
        margin-bottom: 50px;
    }

    .M_box7_bom ul li .M_box7_box {
        width: 320px;
    }

    .M_box7_bom ul li {
        margin-bottom: 20px;
    }

    .M_box8 {
        padding: 65px 0;
    }

    .M_box8_title h6 {
        font-size: 30px;
        margin-bottom: 16px;
    }

    .M_box8_r {
        padding: 20px;
    }

    .M_box8_r {
        padding: 20px;
    }

    .M_box9 .M_box_title {
        text-align: center;
        margin-bottom: 66px;
    }

    .M_box9 {
        padding: 100px 0 170px;
    }
}

@media (max-width: 1400px) {
    .banner_nr_zi h6 {
        font-size: 40px;
        line-height: 50px;
    }

    .banner_nr_zi p {
        margin-top: 20px;
        font-size: 20px;
        line-height: 30px;
    }

    .M_box1 {
        padding: 80px 0;
    }

    .M_box_title h6 {
        font-size: 39px;
        margin-bottom: 13px;
    }

    .M_box1 .M_box_title {
        margin-bottom: 70px;
    }

    .M_box2 {
        padding: 75px 0 80px;
    }

    .M_box2_bom ul li {
        height: 160px;
    }

    .M_box2_bom_box_r span {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .M_box2_bom_box_r p {
        font-size: 14px;
        line-height: 20px;
    }

    .M_box2_bom ul li {
        width: 32%;
        margin-bottom: 20px;
    }

    .M_box2 .M_box_title {
        margin-bottom: 40px;
    }

    .M_box_title .znc {
        font-size: 18px;
    }

    .M_box2_bom_box_l .iconfont {
        width: 80px;
        height: 80px;
        font-size: 38px;
    }

    .M_box3 {
        padding: 80px 0 60px;
    }

    .M_box3 .M_box_title {
        margin-bottom: 50px;
    }

    .M_box3_bom_btn {
        margin-top: 35px;
    }

    .M_box3_bom_btn .M_box3_more {
        width: 220px;
        height: 50px;
    }

    .M_box3_bom_box_prc img {
        margin-bottom: 40px;
    }

    .M_box3_bom_box_zi h6 {
        font-size: 20px;
        margin-bottom: 10px;
    }

    .M_box3_bom_box_prc img {
        height: 90px;
    }

    .M_box4 {
        padding: 80px 0 100px;
    }

    .M_box4_bom ul li {
        width: 220px;
        height: 60px;
        margin-bottom: 15px;
    }

    .M_box4 .M_box_title {
        margin-bottom: 40px;
    }

    .M_box4_bom_box p {
        font-size: 15px;
    }

    .M_box4_bom_box .iconfont {
        margin-right: 14px;
        font-size: 18px;
    }

    .M_box4_bom_btn .M_box4_more {
        width: 220px;
        height: 50px;
    }

    .M_box5 {
        padding: 80px 0 50px;
    }

    .M_box5_bom .swiper {
        margin-bottom: 25px;
    }

    .M_box6 {
        padding: 70px 0;
    }

    .M_box6 .M_box_title {
        margin-bottom: 40px;
    }

    .M_box6 .M_box_title {
        margin-bottom: 40px;
    }

    .M_box7_bom ul li .M_box7_box {
        width: 270px;
    }

    .M_box7 {
        padding: 65px 0 70px;
    }

    .M_box7 .M_box_title {
        margin-bottom: 40px;
    }

    .M_box8 {
        padding: 50px 0;
    }

    .M_box8_title h6 {
        font-size: 26px;
        margin-bottom: 14px;
    }

    .M_box8_title p {
        font-size: 20px;
    }

    .M_box8_r form input {
        width: 330px;
        height: 50px;
    }

    .M_box8_r form .M_box8_r_btn {
        width: 180px;
        height: 50px;
    }

    .M_box9 {
        padding: 70px 0 120px;
    }

    .M_box9 .M_box_title {
        margin-bottom: 46px;
    }

}

@media (max-width: 1200px) {
    .banner_nr_zi h6 {
        font-size: 30px;
        line-height: 40px;
    }

    .banner_nr_zi p {
        margin-top: 10px;
        font-size: 17px;
        line-height: 26px;
        max-width: 100%;
    }

    .M_box1 {
        padding: 50px 0;
    }

    .M_box_title h6 {
        font-size: 29px;
        margin-bottom: 10px;
    }

    .M_box1 .M_box_title {
        margin-bottom: 36px;
    }

    .M_box_title .znc {
        font-size: 16px;
    }

    .M_box1_bom_box img {
        max-width: 50px;
        max-height: 50px;
        height: 50px;
        margin-bottom: 14px;
    }

    .M_box1 .M_box_title {
        margin-bottom: 25px;
    }

    .M_box1_bom_box p {
        font-size: 15px;
    }

    .M_box2 {
        padding: 45px 0 50px;
    }

    .M_box2 {
        padding: 35px 0 40px;
    }

    .M_box2 .M_box_title {
        margin-bottom: 25px;
    }

    .M_box2 .M_box_title {
        margin-bottom: 29px;
        padding: 8px 0;
    }

    .M_box2_bom_box_l .iconfont {
        width: 60px;
        height: 60px;
        font-size: 28px;
    }

    .M_box2_bom_box_r {
        padding-left: 10px;
        /* width: 120px; */
    }

    .M_box2_bom ul li .M_box2_bom_box {
        align-items: normal;
    }

    .M_box2_bom_box_r p {
        font-size: 14px;
        line-height: 20px;
        height: 70px;
    }

    .M_box2_bom_box_r span {
        font-size: 16px;
        margin-bottom: 5px;
    }

    .M_box3 {
        padding: 50px 0 50px;
    }

    .M_box3 .M_box_title {
        margin-bottom: 30px;
    }

    .M_box3_bom_box {
        height: 310px;
    }

    .M_box3_bom_box_prc img {
        height: 80px;
    }

    .M_box3_bom_box_prc img {
        margin-bottom: 36px;
    }

    .M_box3_bom_box_zi h6 {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .M_box3_bom_box_zi p {
        font-size: 14px;
        line-height: 1.4;
    }

    .M_box4 {
        padding: 50px 0 60px;
    }

    .M_box4 .M_box_title {
        margin-bottom: 30px;
    }

    .M_box4_bom ul li {
        height: 50px;
        margin-bottom: 10px;
    }

    .M_box5 {
        padding: 50px 0 30px;
    }

    .M_box5 .M_box_title {
        margin-bottom: 30px;
    }

    .M_box6 {
        padding: 45px 0;
    }

    .M_box6 .M_box_title {
        margin-bottom: 25px;
    }

    .M_box7 {
        padding: 45px 0 50px;
    }

    .M_box7 .M_box_title {
        margin-bottom: 30px;
    }

    .M_box7_bom ul li .M_box7_box {
        width: 223px;
        height: 120px;
    }

    .M_box7_bom ul li .M_box7_box .iconfont {
        margin-bottom: 16px;
        font-size: 25px;
    }

    .M_box7_bom ul li .M_box7_box p {
        font-size: 16px;
    }

    .M_box8 {
        padding: 40px 0;
    }

    .M_box8_title h6 {
        font-size: 22px;
        margin-bottom: 12px;
    }

    .M_box8_title p {
        font-size: 18px;
    }

    .M_box8_r form {
        flex-direction: column;
    }

    .M_box8_r {
        width: 530px;
    }

    .M_box8_r form input.xq {
        max-width: 100%;
    }

    .M_box8_r form input {
        width: 100%;
        max-width: 100%;
    }

    .M_box8_r form .M_box8_r_btn {
        width: 100%;
    }

    .M_box8_phon {
        font-size: 16px;
    }

    .M_box9 .M_box_title {
        margin-bottom: 20px;
    }

    .M_box9 {
        padding: 40px 0 55px;
    }

    .M_box8_r form input {
        height: 40px;
    }

    .M_box8_r form input::placeholder {
        font-size: 15px;
    }
}

@media (max-width: 945px) {
    .M_box8_r {
        width: 410px;
    }
}

@media (max-width: 768px) {
    .banner_nr_zi h6 {
        font-size: 25px;
        line-height: 35px;
    }

    .banner_nr_zi p {
        margin-top: 8px;
        font-size: 13px;
        line-height: 20px;
    }

    .M_box1 {
        padding: 25px 0;
    }

    .M_box_title h6 {
        font-size: 24px;
        margin-bottom: 5px;
    }

    .M_box_title .znc {
        font-size: 14px;
    }

    .M_box1_bom ul li {
        width: 30%;
        margin-bottom: 18px;
    }

    .M_box2 {
        padding: 25px 0 30px;
    }

    .M_box2 .M_box_title {
        margin-bottom: 15px;
    }

    .M_box2_bom ul li {
        width: 49%;
        height: 180px;
    }

    .M_box2_bom ul li .M_box2_bom_box {
        flex-direction: column;
    }

    .M_box2_bom_box_r {
        margin-top: 10px;
        width: 100%;
    }

    .M_box2_bom_box_r p {
        font-size: 13px;
        line-height: 18px;
        height: 46px;
    }

    .M_box3_bom ul li {
        width: 49%;
        margin-bottom: 2vw;
    }

    .M_box3_bom ul {
        flex-wrap: wrap;
    }

    .M_box3_bom_box {
        height: 250px;
    }

    .M_box3_bom_box_prc img {
        margin-bottom: 26px;
    }

    .M_box3_bom_box_zi h6 {
        font-size: 16px;
        margin-bottom: 8px;
    }

    .M_box3_bom_btn {
        margin-top: 20px;
    }

    .M_box3_bom_btn .M_box3_more {
        width: 200px;
        height: 40px;
        font-size: 15px;
    }

    .M_box3 {
        padding: 30px 0;
    }

    .M_box3 .M_box_title {
        margin-bottom: 18px;
    }

    .M_box4_bom ul li {
        width: 49%;
    }

    .M_box4 {
        padding: 30px 0 35px;
    }

    .M_box4_bom_btn .M_box4_more {
        width: 230px;
        height: 45px;
    }

    .M_box4 .M_box_title {
        margin-bottom: 16px;
    }

    .M_box4_bom_box .iconfont {
        margin-right: 10px;
        font-size: 17px;
    }

    .M_box4_bom_box p {
        font-size: 13px;
    }

    .M_box5 {
        padding: 30px 0 20px;
    }

    .M_box6 {
        padding: 28px 0;
    }

    .M_box6 .M_box_title {
        margin-bottom: 11px;
    }

    .M_box7 {
        padding: 25px 0 30px;
    }

    .M_box7 .M_box_title {
        margin-bottom: 15px;
    }

    .M_box8 {
        padding: 26px 0;
    }

    .M_box8_cen {
        flex-direction: column;
    }

    .M_box8_l {
        width: 100%;
        margin-bottom: 15px;
    }

    .M_box8_title {
        margin-bottom: 20px;
    }

    .M_box8_r {
        width: 100%;
        padding: 0;
    }

    .M_box8_r form input.xq {
        width: 100%;
    }

    .M_box9 .M_box_title {
        margin-bottom: 12px;
    }

    .M_box9 {
        padding: 25px 0 40px;
    }

    .M_box7_bom ul li .M_box7_box {
        width: 180px;
        height: 100px;
    }

    .M_box7_bom ul li .M_box7_box p {
        font-size: 14px;
    }
}

@media (max-width: 600px) {
    .M_box7_bom ul li {
        width: 49%;
    }

    .M_box7_bom ul li .M_box7_box {
        width: 100%;
    }
}