.details_af {
    width: 1200px;
    margin: 37px auto 60px;
    overflow: hidden;
}

.da_l {
    width: 657px;
    float: left;
}

.dal_t {
    width: 657px;
    height: 422px;
    overflow: hidden;
}

/* .dal_t img {
    width: 100%;
    display: block;
} */

.dal_b {
    padding: 0 20px;
    overflow: hidden;
    position: relative;
    margin-top: 10px;
}

.dal_b li {
    box-sizing: border-box;
    padding: 0 2px;
}

.dal_b li img {
    width: 100%;
    display: block;
}

.dal_b .swiper-button-next {
    position: absolute;
    width: 12px;
    height: 100%;
    background-image: url(../images/dal_b_next.jpg);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    margin-top: 0;
    right: 0;
    top: 0;
}

.dal_b .swiper-button-prev {
    position: absolute;
    width: 12px;
    height: 100%;
    background-image: url(../images/dal_b_prev.jpg);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    margin-top: 0;
    left: 0;
    top: 0;
}

.da_r {
    width: 41%;
    float: right;
}

.dar_title {
    display: block;
    font-size: 27px;
    color: #000000;
    font-weight: bold;
    padding-bottom: 10px;
    border-bottom: 1px solid #ccd0d9;
}

.dar_dl {
    margin-top: 35px;
    height:200px;
    width:100%;
    overflow:hidden;
}

.dar_dl dl {
    overflow: hidden;
    margin-bottom: 15px;
}

.dar_dl dl dt {
    font-size: 14px;
    width: 65px;
    float: left;
    font-weight: bold;
    line-height: 20px;
}

.dar_dl dl dd {
    width: 240px;
    line-height: 20px;
    font-size: 14px;
    float: left;
}

.dar_yx {
    overflow: hidden;
    margin-top: 30px;
}

.dar_yx dt {
    width: 138px;
    height: 45px;
    text-align: center;
    line-height: 45px;
    background-color: #9a181d;
    border-radius: 5px;
    float: left;
    font-size: 15px;
    color: #ffffff;
    margin-right: 26px;
}

.dar_yx dd {
    width: 138px;
    height: 45px;
    text-align: center;
    line-height: 45px;
    background-color: #9a181d;
    border-radius: 5px;
    float: left;
    font-size: 15px;
    color: #ffffff;
    cursor: pointer;
}

.dar_rwm {
    margin-top: 36px;
    overflow: hidden;
}

.dar_rwm dt {
    width: 98px;
    height: 98px;
    float: left;
}

.dar_rwm dt img {
    width: 100%;
    display: block;
    position:relative;
    top:6px;
}

.dar_rwm dd {
    float: left;
    margin: 27px 0 0 20px;
}

.dar_rwm dd i {
    width: 45px;
    height: 45px;
    background-image: url(../images/dar_rwm_i.png);
    display: block;
    background-size: 100% 100%;
}

.dar_rwm dd em {
    display: block;
    text-align: center;
    font-size: 12px;
    color: #7d888b;
    margin-top: 10px;
}

.details_bf {
    width: 1200px;
    margin: 0 auto 100px;
}

.details_bf::after {
    content: '';
    display: block;
    height: 0;
    overflow: hidden;
    clear: both;
}

.db_l {
    width: 260px;
    float: left;
}
.db_l_box{margin-bottom:60px;}

.dbl_t em {
    display: block;
    font-size: 24px;
    color: #58524e;
    font-weight: bold;
}

.dbl_t span {
    display: block;
    font-size: 14px;
    color: #736962;
    text-transform: uppercase;
}

.dbl_b {
    margin-top: 20px;
    padding-left: 10px;
}

.dbl_b li {
    width: 170px;
    margin-bottom: 20px;
}

.dbl_b li a {
    width: 100%;
    height: 100%;
    display: block;
    font-size: 20px;
    color: #707070;
    position: relative;
}

.dbl_b li a:hover {
    font-weight: bold;
}

.dbl_b li a:hover::after {
    width: 56px;
    height: 15px;
    background-image: url(../images/mbpl_t_lia.png);
    background-size: 100%;
    position: absolute;
    right: 2px;
    top: 7px;
    content: '';
}

.dbb_r {
    width: 903px;
    float: right;
}

.dbbr_t {
    width: 100%;
    border-bottom: 1px solid #9a181d;
    overflow: hidden;
}

.dbbr_t li {
    width: 110px;
    height: 28px;
    text-align: center;
    line-height: 28px;
    background-color: #e1e1e1;
    font-size: 14px;
    color: #303030;
    float: left;
    margin-right: 4px;
    transition: all 0.5s;
    cursor: pointer;
}

.dbbr_t li.dbbrt {
    background-color: #9a181d;
    color: #ffffff;
}

.dbbr_b {
    margin-top: 40px;
    font-size: 14px;
}

.dbbr_b_xq {
    overflow: hidden;
}

.dbbr_b_xq li {
    width: 25%;
    float: left;
    font-size: 14px;
    color: #646464;
    margin-bottom: 20px;
}

.dbbrb img {
    max-width: 100%;
    display: block;
}
.product-item {
    width: 1200px;
    margin: 0 auto 50px auto;
}
.pi-title {
    position: relative;
    width: 100%;
    height: 30px;
    margin-bottom: 28px;
}

.pi-title p {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 10;
    width: 145px;
    height: 30px;
    background: #4c4c4c;
    font-size: 18px;
    color: #fff;
    line-height: 30px;
    text-align: center;
}

.pi-title h6 {
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 9;
    margin: auto;
    width: 100%;
    height: 2px;
    background: #4c4c4c;
}
.product-item .swiper-slide {
    width: 205px;
    height: 130px;
    overflow: hidden;
}

.product-item .swiper-slide img {
    max-height: 130px;
}
.pi-carousel {
    position: relative;
}

.pi-carousel .swiper-button-prev {
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto;
    width: 30px;
    height: 50px;
    background: url('../images/prev_icon2.jpg') no-repeat;
    left: -40px;
}

.pi-carousel .swiper-button-next {
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto;
    width: 30px;
    height: 50px;
    background: url('../images/next_icon2.jpg') no-repeat;
    right: -40px;
}