.banner {
    width: 100%;
    background: #eff1f7;
    padding: 20px 0;
}

.banner_cen {
    display: flex;
    justify-content: space-between;
}

.banner_cen .l {
    width: 21.5%;
    position: relative;
}

.banner_cen .l .l_title {
    display: flex;
    align-items: center;
    padding: 14px 30px;
    line-height: 1;
    font-size: 18px;
    color: #e9901f;
    font-family: "Barlow_bold";
    background: #fff;
}

.banner_cen .l .l_title .iconfont {
    font-size: 30px;
}

.banner_cen .l .l_list ul li {
    position: relative;
}

.banner_cen .l .l_list ul li .item {
    position: relative;
    padding: 0 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 54px;
    font-size: 16px;
    line-height: 1;
    font-family: "Barlow_Regular";
    color: #333333;
}

.banner_cen .l .l_list ul li:hover {
    background: #e9901f;
}

.banner_cen .l .l_list ul li:hover .item {
    color: #fff;
}

.banner_cen .l .l_list ul li:hover .item .iconfont {
    /* display: block; */
    vertical-align: middle;
}

.banner_cen .l .l_list ul li .sub-nav {
    position: absolute;
    z-index: 100;
    left: 100%;
    top: 0;
    width: 290px;
    padding: 20px 40px 30px 30px;
    box-shadow: 4px 6px 10px 0px rgba(51, 51, 51, 0.1);
    display: none;
    background-color: rgba(255, 255, 255, 0.9);
}

.banner_cen .l .l_list ul li:hover .sub-nav {
    display: block;
}

.banner_cen .l .l_list ul li .sub-nav p {
    font-size: 16px;
    line-height: 1;
    font-family: "Barlow_bold";
    color: #e9901f;
    padding-bottom: 12px;
    border-bottom: 1px solid #e9901f;
}

.banner_cen .l .l_list ul li .sub-nav a {
    line-height: 1;
    font-family: "Barlow_Regular";
    font-size: 16px;
    color: #666666;
    display: flex;
    transition: all 0.2s ease-in-out;
}

.banner_cen .l .l_list ul li .sub-nav a:not(:first-child){
    margin-top: 15px;
}

.banner_cen .l .l_list ul li .sub-nav a:hover {
    color: #e9901f;
}

.banner_cen .r {
    width: 77.15%;
}

.banner_cen .r .mySwiper {
    width: 100%;
}

.banner_cen .r .mySwiper .swiper-slide a {
    width: 100%;
    display: block;
}

.banner_cen .r .mySwiper .swiper-slide a img{
    display: block;
    width: 100%;
}

.banner_cen .r .mySwiper .banner_swiper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 70px;
    height: 70px;
    background: rgba(255, 255, 255, 0.5);
    transition: all 0.3s ease-in-out;
    color: #fff;
    font-size: 15px;
    transition: all 0.2s ease-in-out;
}

.banner_cen .r .mySwiper .banner_swiper:hover {
    background: rgba(255, 255, 255, 1);
    color: #e9901f;
}

.banner_cen .r .mySwiper .banner_swiper::after {
    font-size: 17px;
}

.banner_b {
    padding: 56px 0 80px;
    font-size: 20px;
    line-height: 24px;
    color: #333333;
    font-family: "Barlow_Regular";
}

.banner_b p {
    margin: 5px;
    padding: 5px;
}

.box1 {
    padding: 80px 0 85px;
}

.box1 .title {
    font-size: 36px;
    text-align: center;
    line-height: 1;
    color: #e9901f;
    font-family: "Barlow_bold";
    margin-bottom: 40px;
}

.box1_bom {
    position: relative;
}

.box1 .mySwiper .swiper-slide {
    border: 1px solid #d7d7d7;
}

.box1_box {
    width: 100%;
    overflow: hidden;
    padding-bottom: 30px;
}

.box1_prc {
    width: 100%;
    height: 280px;
    padding: 10px;
    overflow: hidden;
}

.box1_prc img {
    display: block;
    object-fit: contain;
    max-width: 100%;
    max-height: 280px;
    width: 100%;
    transition: all 0.5s ease-in-out;
}

.box1_box:hover .box1_prc img {
    transform: scale(1.05);
}

.box1_box .p_title {
    font-size: 18px;
    line-height: 1;
    color: #333333;
    font-family: "Barlow_bold";
    margin-top: 27px;
    padding: 0 10px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;    
}

.box1_box .p_des {
    font-size: 14px;
    line-height: 1;
    color: #333333;
    font-family: "Barlow_Regular";
    padding: 0 10px;
    margin-top: 10px;
    margin-bottom: 30px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.box1 .btn_addCart {
    max-width: 94%;
    margin: 0 auto;
    width: 240px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid #e9901f;
    font-size: 16px;
    color: #e9901f;
    font-family: "Barlow_bold";
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.5s ease-in-out;
}

.box1 .btn_addCart:hover {
    background: #e9901f;
    color: #fff;
}

.box1 .box1_swiper {
    width: 74px;
    height: auto;
}

.box1 .box1_swiper::after {
    display: none;
}

.box1 .swiper-button-next {
    left: 101%;
}

.box1 .swiper-button-prev {
    left: calc(-1% - 74px);
    transform: rotate(180deg);
}

.box1 .box1_swiper .iconfont {
    font-size: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 74px;
    height: 74px;
    border-radius: 50%;
    color: #333333;
    box-shadow: 0 0 10px rgba(0, 0, 0, .2);
    background: #fff;
    transition: all 0.3s ease-in-out;
}

.box1 .box1_swiper .iconfont:hover {
    background: #e9901f;
    color: #fff;
}

.box2 {
    width: 100%;
    background: url(../images/index_box2_bj.jpg) no-repeat left center;
    background-size: cover;
    padding: 90px 0 107px;
}

.box2 .title {
    font-size: 28px;
    line-height: 1;
    color: #e9901f;
    font-family: "Barlow_bold";
    text-align: center;
    margin-bottom: 20px;
}

.box2_bom {
    width: 100%;
}

.box2_bom form {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.box2_bom form>input {
    width: 48.57%;
    height: 60px;
    border-radius: 8px;
    background: #fff;
    border: none;
    outline: none;
    margin-bottom: 20px;
    text-indent: 1.5em;
}

.box2_bom form>input::placeholder,
.box2_bom form>textarea::placeholder {
    font-size: 16px;
    line-height: 1;
    color: #999;
    font-family: "Barlow_Regular";
}

.box2_bom form>textarea {
    width: 100%;
    height: 150px;
    border-radius: 8px;
    background: #fff;
    border: none;
    outline: none;
    margin-bottom: 40px;
    padding: 1.5em;
    resize: none;
}

.box2_bom form .srli2 {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.box2_bom form .srli2 .srli2_item {
    font-size: 16px;
    line-height: 1;
    color: #222222;
    font-family: "Barlow_Regular";
    margin-right: 30px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.box2_bom form .srli2 input {
    width: 24px;
    height: 24px;
    border: none;
    outline: none;
    background: #fff;
    cursor: pointer;
    margin-right: 10px;
}

.box2_bom form .button {
    width: 715px;
    height: 52px;
    border-radius: 3px;
    background: #e9901f;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    font-family: "Barlow_bold";
    cursor: pointer;
    max-width: 100%;
    margin: 0 auto;
}

.box3 {
    padding: 77px 0 70px;
    border-bottom: 1px solid #eeeeee;
}

.box3 .title {
    font-size: 36px;
    line-height: 1;
    color: #e9901f;
    text-align: center;
    font-family: "Barlow_bold";
    margin-bottom: 35px;
}

.box3_bom {
    display: flex;
    /*align-items: center;*/
    justify-content: space-between;
    flex-wrap: wrap;
}

.box3_bom .box3_box {
    width: 31.5%;
}

.box3_prc {
    width: 100%;
    height: 260px;
    overflow: hidden;
}

.box3_prc img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    transition: all 0.5s ease-in-out;
}

.box3_bom .box3_box:hover .box3_prc img {
    transform: scale(1.05);
}

.box3_box a p {
    margin-top: 20px;
    font-size: 18px;
    line-height: 1;
    font-family: "Barlow_bold";
    color: #333333;
    text-align: center;
    transition: all 0.3s ease;
}

.box3_bom .box3_box:hover a p {
    color: #e9901f;
}

.box4 {
    padding: 100px 0 70px;
    width: 100%;
    background: #fff;

}

.box4 .title {
    width: 100%;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 40px;
}

.box4 .title .l {
    font-size: 36px;
    line-height: 1;
    color: #e9901f;
    font-family: "Barlow_bold";
}

.box4 .title .r a {
    font-size: 18px;
    line-height: 1;
    color: #333333;
    font-family: "Barlow_Regular";
    transition: all 0.3s ease-in-out;
}

.box4 .title .r a:hover {
    color: #e9901f;
}

.box4_lists {
    width: 100%;
}

.box4_item {
    padding-left: 20px;
    padding-right: 30px;
    border: 1px solid #e0e3ea;
    margin-bottom: 15px;
}

.box4_tiem_t {
    display: flex;
    justify-content: space-between;
    margin: 20px 0;
}

.box4_tiem_t .l {
    display: flex;
    width: calc(100% - 50px);
}

.box4_tiem_t .l .vn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: #e9901f;
    color: #fff;
    border-radius: 2px;
    font-size: 16px;
    font-family: "Barlow_Regular";
    margin-right: 10px;
}

.box4_tiem_t .l {
    font-size: 16px;
    line-height: 1;
    color: #000;
    font-family: "Barlow_bold";
}

.box4_tiem_t .r {
    display: flex;
}

.box4_tiem_t .r .iconfont {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #e9901f;
    color: #e9901f;
    font-weight: 500;
    cursor: pointer;
}

.box4_item .box4_tiem_t .r .icon-jian {
    display: none;
}

.box4_item_b {
    font-size: 14px;
    line-height: 24px;
    color: #666666;
    font-family: "Barlow_Regular";
    padding-bottom: 20px;
    display: none;
}

.box4_item.active .box4_tiem_t .r .icon-jian {
    display: flex;
}

.box4_item.active .box4_tiem_t .r .icon-tianjia {
    display: none;
}
.box4_item.active .box4_item_b{
    display: block;
}

@media (max-width: 1220px) {
    .banner_b {
        padding: 40px 0 50px;
        font-size: 18px;
        line-height: 22px;
    }

    .box1 {
        padding: 50px 0 50px;
    }

    .box1 .title {
        font-size: 32px;
        margin-bottom: 24px;
    }

    .box1_prc {
        width: 100%;
        height: 250px;
    }

    .box1_box .p_des {
        padding: 0 8px;
        margin-top: 8px;
        margin-bottom: 20px;
    }

    .box1_box .p_title {
        margin-top: 15px;
    }

    .box2 {
        padding: 50px 0 58px;
    }

    .box2_bom form>textarea {
        margin-bottom: 30px;
    }

    .box3 {
        padding: 36px 0 40px;
    }

    .box4 {
        padding: 60px 0 40px;
    }

    .box4 .title {
        margin-bottom: 20px;
    }
}


@media (max-width: 1099px) {
    .banner_cen .l {
        display: none;
    }

    .banner_cen .r {
        width: 100%;
    }

    .banner_cen .r .mySwiper .banner_swiper {
        width: 50px;
        height: 50px;
    }

    .banner_b {
        padding: 40px 0 0px;
    }

    .box1 .title {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .box1_box {
        padding-bottom: 16px;
    }

    .box2 {
        padding: 40px 0 45px;
    }

    .box3 .title {
        font-size: 28px;
        margin-bottom: 20px;
    }

    .box3_box a p {
        margin-top: 18px;
        font-size: 16px;
    }

    .box4 {
        padding: 39px 0 30px;
    }

    .box4 .title .l {
        font-size: 28px;
    }

    .box4 .title .r a {
        font-size: 1rem;
        white-space: nowrap;
    }
}

@media (max-width: 790px) {
    .banner_b {
        padding: 30px 0 0px;
    }

    .box1 {
        padding: 36px 0 36px;
    }

    .box1 .title {
        font-size: 26px;
        margin-bottom: 16px;
    }
    .box1 .box1_bom .swiper-wrapper{
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .box1 .box1_bom .swiper-wrapper .swiper-slide{
        width: 48%;
        margin: 0 0 4%;
        box-sizing: border-box;
    }
    .box1_prc {
        aspect-ratio: 1 / 1;
        height: auto;
    }
    .box1_prc img{
        max-height: 100%;
    }
    .box1_box .p_des {
        margin-bottom: 10px;
    }

    .box1_box .p_title {
        margin-top: 5px;
    }

    .box2 {
        padding: 30px 0 40px;
    }

    .box2 .title {
        margin-bottom: 16px;
    }

    .box2_bom form>input {
        width: 100%;
        height: 40px;
    }

    .box2_bom form>textarea {
        margin-bottom: 18px;
        padding: 1em;
    }

    .box3_bom .box3_box {
        width: 100%;
        margin-bottom: 16px;
    }

    .box3 {
        padding: 36px 0 30px;
    }

    .box4 {
        padding: 30px 0 30px;
    }

}