.top_area {
    background-image: url(../images/solution_a.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    background-position-x: center;
    background-position-y: center;
    height: 550px;
    width: 100%;
    min-width: 1300px;
}

.top_area_shadow {
    height: 550px;
    background: rgba(0, 0, 0, 0.5);
    width: 100%;
    min-width: 1300px;
}

.main {
    width: 1200px;
    margin: 0 auto;
    overflow: hidden;
}

.top_area .top_space {
    padding-top: 260px;
}

.top_line p {
    color: #ffffff;
    text-align: center;
}

.top_line p:nth-of-type(1) {
    font-size: 50px;
}

.top_line p:nth-of-type(2) {
    font-size: 18px;
    margin-top: 10px;
}

.list_area {
    height: 240px;
}

.list_area .loop_img {
    width: 150px;
    display: block;
    margin: 0 auto;
    margin-top: -80px;
}

.loop_img img {
    width: 150px;
}

.list_area .put_to_middle {
    /* padding-left: 630px; */
    text-align: center;
    background: #ffffff;
}

.back_gb {
    width: 100%;
    min-width: 1300px;
    height: 50px;
    background: #ffffff;
}

.swiper-slide img {
    opacity: 0;

}

.swiper-slide-active img {
    opacity: 1;
}

.list_area a {
    display: inline-block;
    text-align: center;
    color: #000000;
    font-size: 16px;
    padding-left: 15px;
    padding-right: 15px;
    line-height: 50px;
}

.product_area .title_font {
    font-size: 32px;
    margin-bottom: 25px;
}

.product_a {
    height: 590px;
    border-top: 1px solid #d5d5d5;
    width: 100%;
    min-width: 1300px;
}

.product_a .top_space {
    padding-top: 50px;
}

.product_a p {
    text-align: center;
    color: #000000;
}

.product_a p:nth-of-type(2) {
    margin-bottom: 8px;
}

.product_a img {
    width: 770px;
    display: block;
    margin: 0 auto;
    margin-top: 100px;
}

.product_b {
    background: url(../images/solution_p_b.jpg);
    background-size: cover;
    background-position: center;
    height: 725px;
    width: 100%;
    min-width: 1300px;
}

.product_b p {
    text-align: center;
    font-size: 14px;
    color: #ffffff;
}

.product_b .top_space {
    padding-top: 94px;
}

.product_b_info {
    overflow: hidden;
    margin-top: 170px;
}

.product_b_info .info_unit {
    float: left;
    margin-left: 20px;
    margin-right: 20px;
}

.product_b_info .info_unit h4 {
    font-size: 18px;
    color: #ffffff;
    margin-top: 6px;
    margin-bottom: 0;
}

.product_b_info .info_unit img {
    width: 48px;
    margin-left: 8px;
}

.product_b_info .info_unit .more_left {
    margin-left: 20px;
}

.product_b_info .info_unit p {
    text-align: left;
}

.product_c {
    height: 685px;
    width: 100%;
    min-width: 1300px;
}

.product_c p {
    text-align: center;
    font-size: 14px;
    line-height: 23px;
    color: #000000;
}

.product_c p:nth-of-type(1) {
    padding-top: 75px;
}

.product_c img {
    width: 930px;
    display: block;
    margin: 0 auto;
}

.product_d {
    height: 700px;
    background: url(../images/solution_p_d.jpg) center no-repeat;
    background-size: cover;
    background-position: center;
    width: 100%;
    min-width: 1300px;
}

.product_d_shadow {
    background: rgba(0, 0, 0, 0.4);
    height: 700px;
}

.product_d p {
    text-align: center;
    color: #ffffff;
}

.product_d .main>p:nth-of-type(1) {
    padding-top: 70px;
}

.product_d .product_d_unit {
    float: left;
    overflow: hidden;
    margin-top: 200px;
    margin-left: 20px;
    margin-right: 52px;
}

.product_d .product_d_unit img {
    float: left;
    display: block;
    width: 60px;
    margin-top: 30px;
}

.product_d .product_d_unit .unit {
    float: left;
    padding-left: 10px;
}

.product_d .product_d_unit h5,
.product_d .product_d_unit p {
    color: #ffffff;
    text-align: left;
}

.product_d .product_d_unit h5 {
    font-size: 18px;
    margin-bottom: 14px;
}

.product_d .product_d_unit p {
    font-size: 14px;
    line-height: 24px;
}

.product_e {
    height: 800px;
    background: url(../images/solution_p_e.png) center no-repeat;
    background-size: cover;
    width: 100%;
    min-width: 1300px;
}

.product_e p {
    text-align: center;
}

.product_e p:nth-of-type(1) {
    padding-top: 70px;
}