.main_bf {
    background-color: #f9f9f9;
    padding: 40px 0 120px 0;
}

.mb_title {
    text-align: center;
}

.mb_title h3 {
    display: block;
    font-size:26px;color:#333333;transition:.5s;-moz-transition:.5s;-webkit-transition:.5s;-o-transition:.5s
}

.mb_title p {
    display:block;margin-bottom:10px;color:#666666;transition:.5s;-moz-transition:.5s;-webkit-transition:.5s;-o-transition:.5s
}




.mb_txt {
    text-align: center;
}

.mb_txt h3 {
    display: block;
    font-size:24px;line-height:20px;color:#69340A;transition:.5s;-moz-transition:.5s;-webkit-transition:.5s;-o-transition:.5s
}

.mb_txt p {
    display:block;font-size:18px;line-height:20px;margin-bottom:30px;transition:.5s;-moz-transition:.5s;-webkit-transition:.5s;-o-transition:.5s
}






.mb_t {
    display: flex;
    justify-content: center;
    margin: 35px auto 50px;
}

.mb_t dl {
    width: 114px;
    margin: 0 50px;
    cursor: pointer;
}

.mb_t dl dt {
    width: 90px;
    height: 90px;
    margin: 0 auto;
    background-position: center;
    background-repeat: no-repeat;
}

.mb_t dl dd {
    font-size: 17px;
    color: #8e8e8e;
    text-align: center;
    margin-top: 10px;
}

.mb_t .mb_tdl dd {
    color: #69340A;
}

.mb_t dl:nth-child(1) dt {
    background-image: url(../images/mb_t_1.png);
}

.mb_t dl:nth-child(2) dt {
    background-image: url(../images/mb_t_2.png);
}

.mb_t dl:nth-child(3) dt {
    background-image: url(../images/mb_t_3.png);
}

.mb_t dl:nth-child(4) dt {
    background-image: url(../images/mb_t_4.png);
}

.mb_t dl:nth-child(5) dt {
    background-image: url(../images/mb_t_5.png);
}

.mb_t dl:nth-child(6) dt {
    background-image: url(../images/mb_t_6.png);
}

.mb_t .mb_tdl:nth-child(1) dt {
    background-image: url(../images/mb_t_11.png) !important;
}

.mb_t .mb_tdl:nth-child(2) dt {
    background-image: url(../images/mb_t_22.png) !important;
}

.mb_t .mb_tdl:nth-child(3) dt {
    background-image: url(../images/mb_t_33.png) !important;
}

.mb_t .mb_tdl:nth-child(4) dt {
    background-image: url(../images/mb_t_44.png) !important;
}

.mb_t .mb_tdl:nth-child(5) dt {
    background-image: url(../images/mb_t_55.png) !important;
}

.mb_t .mb_tdl:nth-child(6) dt {
    background-image: url(../images/mb_t_66.png) !important;
}

.mb_b {
    width: 1401px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.mb_b::before {
    width: 373px;
    height: 465px;
    background-image: url(../images/mb_b_b.png?v=1.1);
    content: '';
    position: absolute;
    z-index: -1;
    bottom: -45px;
    left: -53px;
}

.mb_b::after {
    width: 196px;
    height: 317px;
    background-image: url(../images/mb_b_a.png?v=1.1);
    content: '';
    position: absolute;
    top: -27px;
    right: -34px;
    z-index: -1;
}

.mbb {
    overflow: hidden;
}

.mbb dl {
    width: 250px;
    height: 546px;
    float: left;
    position: relative;
    overflow: hidden;
    margin-right: 3px;
    transition: all 0.5s;
}

.mbb dl:last-child {
    margin-right: 0;
}

.mbb dl dt {
    width: 286px;
    height: 546px;
    transition: all 0.5s;
}

.mbb dl dd {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transition: all 0.5s;
}

.mbb dl dd i {
    display: block;
    text-align: center;
    margin-top: 35px;
    transition: all 0.5s;
}

.mbb dl dd em {
    display: block;
    width: 100%;
    position: absolute;
    bottom: 10px;
    text-align: center;
    font-size: 16px;
    color: #495361;
    padding-top: 35px;
    background-image: url(../images/mbb_em.png);
    background-position: center top;
    background-repeat: no-repeat;
    transition: all 0.5s;
}

.mbb dl b {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1;
    opacity: 1;
    transition: all 0.5s;
}

.mbb .mbb_dl {
    width: 386px;
}

.mbb .mbb_dl b {
    z-index: -1;
    opacity: 0;
}

.main_bf2{
    display: none!important;
}
.main_bf{
    display: block!important;
}



.about-t1{padding-bottom:15px;padding-top:15px;}
.about-t1 span{font-size: 36px; color:#000; line-height:48px;font-weight: bold;}

.about-t2{padding-bottom:25px;}
.about-t2 span{font-size: 28px; color:#69340A; line-height:38px;}

.about-t3{padding-bottom:15px;}
.about-t3 span{font-size: 18px;}

.about-bg1{width:416px;background: no-repeat url(../images/mal_bg.png) center top;background-size:100%;margin: 0 auto;height:100px;}
.about-bg2{width:416px;background: no-repeat url(../images/mal_bg.png) center bottom;background-size:100%;margin: 0 auto;height:190px;padding-top:30px;}


 .about-btn:hover{
  background: #000;
  
}
 .about-btn {
 font-weight: bold;
  margin: 0 auto;
  width: 130px;
  height: 32px;
  border-radius: 15px;
  text-align: center;
  line-height: 32px;
  color: #fff;
  font-size: 16px;
  background: #69340A;
  transition: all .4s ease;
}



@media only screen and (max-width: 1000px){

.main_bf{
    display: none!important;
}
.main_bf2{
    display: block!important;
}

.main_bf2 {
    background-color: #f9f9f9;
    padding: 40px 0 80px 0;
	
}

.mb_t2 {
    text-align: center;
}


.mb_t2 h3 {
    display: block;
    font-size:26px;color:#333333;color:;transition:.5s;-moz-transition:.5s;-webkit-transition:.5s;-o-transition:.5s
}

.mb_t2 p {
    display:block;margin-bottom:30px;color:#666666;color:;transition:.5s;-moz-transition:.5s;-webkit-transition:.5s;-o-transition:.5s
}


.mb_dl2 {
    display: flex;
    justify-content: space-around;
    margin: 25px 15px 20px 15px;
}

.mb_dl2 dl {
    width:88px;
}

.mb_dl2 dl dt {
    width: 100%;
    height: 40px;
    text-align: center;
}

.mb_dl2 dl dt img {
    height: 100%;
}

.mb_dl2 dl dd {
    font-size: 14px;
   /* color: #69340A;*/
    text-align: center;
}


.mb_b2 {
    width: calc(100% - 80px);
    margin: 0 auto;
    overflow: hidden;
}

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

.mbb_b li {
    width: calc(50% - 6px);
    float: left;
    margin:12px 12px 0 0;
	list-style-type: none;
}

.mbb_b li img {
    width: 100%;
    overflow: hidden;
    display: block;
}

.mbb_b li:nth-child(2n) {
    width:calc(50% - 6px);
    margin-right: 0;
}




}


@media only screen and (max-width: 700px){


.mb_txt h3 {
    display: block;
    font-size:16px;line-height:14px;fcolor:#69340A;transition:.5s;-moz-transition:.5s;-webkit-transition:.5s;-o-transition:.5s
}

.mb_txt p {
    display:block;font-size:12px;line-height:14px;margin-bottom:0px;transition:.5s;-moz-transition:.5s;-webkit-transition:.5s;-o-transition:.5s
}


.mb_b2 {
    width: calc(100% - 40px);
    margin: 0 auto;
    overflow: hidden;
}

}