.threeResen .item .putImg span {
    position: absolute;
    top: 50%;
    width: 100%;
    color: white;
    text-align: center;
}

.threeResen .item p{ margin-top:5%;}

.pd_menu {
    padding: 40px 0;
    background-color: #efefef;
}

.pd_menu li {
	max-width:260px;
    display: inline-block;
    margin-right: 18px;
	margin-bottom:20px;
	width: calc((100% - 86px) / 4);
}

.pd_menu li a {
    display: block;
    transition: all .4s;
    background-color: white;
}

.pd_menu li .putImg {
    margin-bottom: 20px;
    overflow: hidden;
}

.pd_menu li .putImg img {
    transition: all .4s;
}

.pd_menu li a:hover img {
    transform: scale(1.2);
}

.pd_menu li a:hover {
    color: white;
    background-color: var(--black);
}

.pd_menu li a p {
	padding-bottom:25px;
    padding-left: 23px;
    font-size: 15px;
    line-height: 30px;
	text-transform:uppercase;
	height: 60px;
}

.product {
    padding-top: 110px;
    padding-bottom: 220px;
}

.product > .title {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.pro_type_name {
    font-size: 60px;
    font-weight: bold;
    color: var(--black);
}

.pro_num {
    font-size: 15px;
    line-height: 20px;
}


.product > .txt {
    margin-top: 35px;
    margin-bottom: 40px;
    max-width: 925px;
    font-size: 16px;
    line-height: 20px;
    color: #686868;
}

.product > .nav {
    margin-bottom: 95px;
}

.product > .nav a {
    display: inline-block;
    height: 52px;
    line-height: 52px;
    padding: 0 45px;
    font-size: 13px;
    text-align: center;
    vertical-align: middle;
    border: 1px solid transparent;
    transition: all .4s;
	text-transform:uppercase
}

.product > .nav a.active,
.product > .nav a:hover {
    border-color: #ededed;
}

.pro_list {
    font-size: 0;
}

.pro_list .item {
    display: inline-block;
    max-width: calc((100% - 45px) / 4);
    padding: 35px;
    width: 25%;
    margin-bottom: 15px;
    cursor: pointer;
    box-sizing: border-box;
    border: 1px solid #ededed;
}

.pro_list .item .more{
    width: 160px;
    line-height: 40px;
    text-align: center;
    font-size: 14px;
    color: white;
    margin: 20px auto 0 auto;
    display: block;
    cursor: pointer;
    border-radius: 3px;
    background-color: var(--black);
}

.pro_list .item:not(:nth-child(4n)) {
    margin-right: 15px;
}

.pro_list .item .putImg {
    margin-bottom: 70px;
    overflow: hidden;
}

.pro_list .item .putImg img {
    transition: all .4s;
}

.pro_list .item:hover {
    text-decoration: underline;
}

.pro_list .item:hover img {
    transform: scale(1.2);
}

.pro_list .item .txt {
    display: -webkit-box;
    font-size: 14px;
    line-height: 18px;
    color: #686868;
    -webkit-line-clamp: 3;
    overflow: hidden;
    -webkit-box-orient: vertical;
}

.pro_list .item .type {
    margin-top: 15px;
    font-size: 14px;
    line-height: 20px;
    color: var(--black);
}


.centerTitle {
    font-size: 30px;
    line-height: 25px;
    text-align: center;
}

.part_4 {
    padding-top: 125px;
    padding-bottom: 130px;
}

.part_5 {
    padding-top: 130px;
    padding-bottom: 225px;
}

.part_5 .centerTitle {
    margin-bottom: 105px;
}

.part_5 .item {
    border: 0;
}

.pro_view .greyBg {
    background-color: #efefef;
}

.pro_view .questionList {
    margin-top: 80px;
}

.pro_view .questionList li {
    display: flex;
    padding: 15px 0;
    cursor: pointer;
    border-bottom: 1px solid #d6d6d6;
    justify-content: space-between;
}

.pro_view .questionList li:first-child {
    border-top: 1px solid #d6d6d6;
}

.pro_view .questionList li .right img {
    display: none;
    max-width: 23px;
}

.pro_view .questionList li .right img.on {
    display: block;
}

.pro_view .questionList li .ask {
    font-size: 20px;
    line-height: 30px;
}

.pro_view .questionList li .ans {
    font-size: 0;
	display:none;
    line-height: 0;
    color: #686868;
}

.part_3 {
    padding: 180px 0;
    font-size: 0;
}



.part_2 {
    padding: 120px 0 130px;
}

.part_2 .isTable img{ display:inline-block}

.part_2 ul {
    max-width: 1230px;
    margin: 85px auto 0;
}

.part_2 ul li {
    font-size: 0;
    border-bottom: 1px solid #d6d6d6;
}

.part_2 ul li:first-child {
    border-top: 1px solid #d6d6d6;
}

.part_2 ul li span {
    display: inline-block;
    width: 25%;
    font-size: 16px;
    line-height: 70px;
}

.part_2 ul li span:first-child {
    box-sizing: border-box;
    padding-left: 35px;
}

.part_1 {
    padding-top: 80px;
    padding-bottom: 95px;
}

.part_1 ._top a {
    display: inline-block;
    font-size: 15px;
    line-height: 25px;
    color: #424242;
    border-bottom: 2px solid var(--black);
}

.part_1 ._top a img {
    display: inline-block;
    margin-right: 13px;
    transition: all .4s;
}

.part_1 ._top a:hover img {
    margin-right: 5px;
}

.part_1 ._mid .right {
    padding-left: 140px;
    padding-right: 45px;
    box-sizing: border-box;
}

.part_1 ._mid .right .name {
    margin-bottom: 20px;
    font-size: 30px;
    line-height: 30px;
    color: #424242;
}

.part_1 ._mid .right .txt {
    font-size: 25px;
    line-height: 30px;
    color: #424242;
}

.part_1 ._mid .right .desc {
    margin-top: 35px;
    margin-bottom: 60px;
    font-size: 16px;
    line-height: 23px;
    color: #686868;
}

.part_1 ._mid .right .contnets{ position:relative; float:left; clear:both}

.part_1 ._mid .right .contnets .play{ position: absolute; right: -80px;top: 0;width: 50px; filter: invert(1); cursor:pointer}
 
.part_1 ._mid .right .more {
    width: 190px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    font-size: 14px;
    color: white;
    cursor: pointer;
    border-radius: 3px;
    background-color: var(--black);
}

.part_1 ._mid  {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.part_1 ._mid > div {
    width: 100%;
    max-width: 50%;
}

.part_1 ._mid .left { position:relative;}

.part_1 ._mid .left .play{ position:absolute; left:0; top:35%; right:0; margin:0 auto; z-index: 11; cursor:pointer;filter: invert(1); width:55px;}

.part_1 .swiper {
    position: relative;
    overflow: hidden;
}

.part_1 .swiper .swiper-slide img {
    max-height: 552px;
    margin: 0 auto;
}

.part_1 .swiper .control {
    margin-top: 80px;
    height: 25px;
    text-align: center;
}

.part_1 .swiper {
    position: relative;
    overflow: hidden;
}

.part_1 .swiper .swiper-pagination,
.part_1 .swiper .swiper-button-next,
.part_1 .swiper .swiper-button-prev {
    position: relative;
    display: inline-block;
}

.part_1 .swiper .swiper-button-next,
.part_1 .swiper .swiper-button-prev {
    opacity: 1;
    width: 15px;
    height: 25px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.part_1 .swiper .swiper-button-next::after,
.part_1 .swiper .swiper-button-prev::after {
    display: none;
}

.part_1 .swiper .swiper-button-next {
    background-image: url(../img/arrow_right3.png);
}
.part_1 .swiper .swiper-button-prev {
    background-image: url(../img/arrow_left3.png);
}

.part_1 .swiper .swiper-pagination {
    margin: 0 20px;
    vertical-align: sub;
}

.part_1 .swiper .swiper-pagination-bullet  {
    display: inline-block;
    margin: 0 2px;
    opacity: 0.1;
}

.part_1 .swiper .swiper-pagination-bullet.swiper-pagination-bullet-active {
    opacity: 1;
    background-color: var(--black);
}



.isTable table {
       width: 1230px !important;
	   margin:0 auto;
	   font-size:16px;
	   line-height:70px;
    border-spacing: 0;
    border-bottom: solid 1px #d6d6d6 !important;
    border-right: solid 1px #d6d6d6 !important;
	margin-top:5%
}
.isTable table tr td p{
        text-indent: 0 !important;
}

.isTable table tr td{
    text-align: center;
    border-top: solid 1px #d6d6d6 !important;
    border-left: solid 1px #d6d6d6 !important;
}



@media (max-width: 1366px){
.isTable table{line-height:40px !important;}
.isTable{ overflow-y:scroll}

}

@media (max-width: 1024px){
.pro_type_name{ font-size:50px;}
.product,.part_2,.part_3,.part_4,.part_5{ padding:15% 15px 10%; overflow:hidden;}
.part_1 ._mid{ display:block}
.part_1 ._mid > div{ max-width:inherit}
.part_1{ padding:15% 0;}
.centerTitle{ font-size:22px;}
}



@media (max-width: 768px){
.pd_menu li{width: calc((100% - 43px) / 2);}
.pro_list .item{max-width:inherit; width:calc((100% - 15px) / 2);}
.pro_list .item:nth-child(even){ margin-right:0}
.pro_type_name{ font-size:40px;}
.product > .txt{ font-size:15px; margin:5% 0;}
.product > .nav{ margin-bottom:10%;}
.part_1 ._mid .left{ margin:10% 0;}
.part_1 ._mid .right{ padding:0;}
}


@media (max-width: 640px){
.pd_menu li{ max-width:inherit; width:100%;}
.pd_menu li .putImg img{ width:100%;}
.pro_type_name{ font-size:30px;}
.product > .txt{ font-size:14px;}
.part_1 ._mid .right .name{ font-size:24px;}
.part_1 ._mid .right .txt{ font-size:18px;}
.part_1 ._mid .right .desc{ font-size:14px; line-height:20px;}
.pro_view .questionList li .ask{ font-size:16px;}
.pro_view .questionList li .ans{ font-size:14px !important; line-height:20px !important;}
.pro_view .questionList{ margin-top:10%;}
.part_5 .centerTitle{ margin-bottom:10%;}
}

@media (max-width: 480px){
	.pro_list .item .putImg{ margin-bottom:10%;}
.pro_list .item{width: 48%;padding: 20px;}

}