.desc {
    line-height: 1.5
}

.box2 .lists {
    display: flex;
    flex-wrap: wrap
}

.box2 .lists .item {
    --pd: 40px;
    margin-right: var(--pd);
    width: calc((100% - (var(--pd) * 2)) / 3);
    position: relative;
    overflow: hidden;
    border-radius: 10px
}

.box2 .lists .item:nth-child(3),
.box2 .lists .item:nth-child(4) {
    margin-right: 0
}

.box2 .lists .item:nth-child(n + 4) {
    margin-top: var(--pd)
}

.box2 .lists .item:nth-child(4) {
    order: 6
}

.box2 .lists .item:nth-child(5) {
    order: 5
}

.box2 .lists .item:nth-child(6) {
    order: 4
}

.box2 .lists .item .mark {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1
}

.box2 .lists .item .img {
    padding-bottom: 50%;
    z-index: 0
}

.box2 .lists .item .title {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    z-index: 2
}

.box2 .lists .item .num {
    background: red;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    position: absolute;
    z-index: 2;
    top: -17%;
    left: 50%;
    transform: translateX(-50%);
    color: #fff
}

.box2 .lists2 {
    flex-direction: row-reverse
}

.box2 .lists2 .item {
    width: calc((100% - (var(--pd) * 4)) / 5);
    margin-right: 0;
    margin-left: var(--pd);
    margin-top: var(--pd)
}

.box2 .lists2 .item:last-child {
    margin-left: 0
}

.box2 .dz_more {
    border-radius: 10px;
    background: transparent;
    border: 1px solid var(--color-shen);
    color: var(--color-shen)
}

.box3 .box3_main_par {
    padding: 5% 0
}

.box3 .box3_main {
    --l-w: 38%;
    align-items: center
}

.box3 .box3_main .lll .desc {
    font-size: 24px;
    line-height: 1.5;
    font-weight: bold;
    color: #000
}

.box3 .box3_main .lll .btn_list {
    display: flex;
    align-items: center
}

.box3 .box3_main .lll .btn_list .btn {
    background: #3d3d3d;
    color: #fff;
    border-radius: .4rem;
    padding: 15px 30px;
    display: flex
}

.box3 .box3_main .lll .btn_list .btn1 {
    margin-right: 20px
}

.box3 .box3_main .lll .btn_list .btn1:hover {
    background: var(--color-shen)
}

.box3 .box3_main .lll .btn_list .btn2 {
    background: var(--color-shen)
}

.box3 .box3_main .rrr .list .item {
    display: flex;
    align-items: center
}

.box3 .box3_main .rrr .list .item:not(:first-child) {
    margin-top: 50px
}

.box3 .box3_main .rrr .list.is_arc .item {
    margin-left: calc(var(--arc) * 1px)
}

.box3 .box3_main .rrr .list .item .img {
    display: flex;
    align-items: center;
    width: 150px;
    height: 150px;
    flex-shrink: 0;
    padding: 0;
    margin-right: 50px;
    border: 10px solid red;
    border-radius: 50%
}

.box3 .box3_main .rrr .list .item .img img {
    position: relative
}

.box3 .box3_main .rrr .list .item .title {
    font-size: 32px;
    font-weight: bold
}

.box3 .box3_main .rrr .list .item .desc {
    line-height: 1.5;
    margin-top: 20px
}

.box4 .lists {
    --pd: 40px
}

.box4 .lists .item {
    justify-content: unset;
}

.box4 .lists .item .img {
    width: 100px;
    height: 100px;
    padding: 0
}

.box4 .lists .item .img img {
    position: relative
}

.box4 .lists .item .title {
    font-size: 24px;
    width: 100%;
}

.box5 {
    padding: 5% 0;
    background: #000
}

.box5 * {
    color: #fff
}

.box5 .sub_form .ul_par {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between
}

.box5 .sub_form .ul_par ul {
    width: calc(50% - 10px);
    display: flex;
    flex-direction: column
}

.box5 .sub_form .ul_par ul li,
.box5 .sub_form .ul_par ul input,
.box5 .sub_form .ul_par ul textarea {
    width: 100%;
    color: #000
}

.box5 .sub_form .ul_par ul li {
    margin-bottom: 10px
}

.box5 .sub_form .ul_par ul li:last-child {
    margin-bottom: 0
}

.box5 .sub_form .ul_par ul input,
.box5 .sub_form .ul_par ul textarea {
    border: 1px solid #fff;
    padding: 15px 10px
}

.box5 .sub_form .ul_par .ul2 li:last-child {
    flex: 1
}

.box5 .sub_form .ul_par .ul2 li:last-child textarea {
    height: 100%
}

.box5 .sub_form .sub_btn {
    display: inline-flex;
    margin-top: 5%
}

@media screen and (max-width:1100px) {
    .box2 .lists .item .num {
        top: -25%;
    }
}

@media screen and (max-width:950px) {
    .box2 .lists .item {
        width: 100%;
        margin: 0 0 30px;
        order: 0
    }

    .box2 .lists .item .num {
        top: -18%
    }

    .box3 .box3_main .rrr .list .item .img {
        width: 100px;
        height: 100px;
        margin-right: 30px
    }

    .box3 .box3_main .rrr .list.is_arc .item {
        margin-left: calc(var(--arc) * .4px);
        margin-left: 0;
    }

    .box3 .box3_main .rrr .list .item .title {
        font-size: 26px
    }

    .box3 .box3_main .rrr .list .item .desc {
        margin-top: 10px
    }

    .box4 .lists .item {
        margin: 0 0 50px !important
    }
}