.category-tab {
    display: none;
}

.ky_why {
    margin-bottom: 20px;
}

.ky_why_tab {
    margin: 50px auto 0px;
    position: relative;
}

.why_tab_l {
    width: 270px;
    height: 338px;
    float: left;
    overflow: hidden;
}

.why_tab_l ul li {
    width: 270px;
    height: 106px;
    margin-bottom: 10px;
    cursor: pointer;
    background: #f7f7f7;
    color: #333;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.why_tab_l ul li:nth-child(4),
.why_tab_l ul li:nth-child(5),
.why_tab_l ul li:nth-child(6) {
    position: absolute;
    right: 0;
}

.why_tab_l ul li:nth-child(4) {
    top: 0;
}

.why_tab_l ul li:nth-child(5) {
    top: 116px;
}

.why_tab_l ul li:nth-child(6) {
    top: 232px;
}

.wt_item_img1 {
    display: block;
    height: 20px;
}

.wt_item_img2 {
    display: none;
    height: 20px;
}

.wt_item_text {
    font-size: 18px;
    padding-left: 25px;
}

.why_tab_l .wt_active {
    box-shadow: 0px 0px 22px rgba(34, 151, 189, 0.4);
    background-image: linear-gradient(to right top, rgb(5, 168, 218) 0, rgb(29, 199, 193) 65%, rgb(53, 230, 168) 100%);
}

.wt_active .wt_item_text {
    color: #fff;
}

.wt_active .wt_item_img1 {
    display: none
}

.wt_active .wt_item_img2 {
    display: block;
}

.why_tab_c {
    width: 640px;
    height: 338px;
    float: left;
    margin: 0px 10px;
    overflow: hidden;
    background: url(../image/why-c-bg.jpg) center center no-repeat;
    position: relative;
}

.why_tabc_item {
    top: 109px;
    left: 153px;
    width: 344px;
    height: 99px;
    position: absolute;
    font-size: 18px;
}

.why_tabc_item ul li {
    color: #fff;
    margin-bottom: 8px;
    font-weight: bold;
}

.why_tabc_item ul li {
    margin-left: 24px;
    margin-right: 15px;
}

.why_tabc_item ul li p {
    font-size: 16px;
    line-height: 30px;
    font-weight: normal;
}

.kylink_con{
    margin: 35px auto;
}
.kylink_con ul {
    position: relative;
}

.kylink_con ul li {
    width: 360px;
    height: 375px;
    border-radius: 3px;
    border: solid 1px #e9e9e9;
    background: #fff;
}

.kylink_con_left {
    margin: 28px 0 0 50px;
}

.kylink_con ul li h3 {
    position: relative;
    height: 80px;
    line-height: 80px;
    font-size: 28px;
    text-align: center;
    color: #666;
    border-bottom: solid 1px #ebebeb;
    background: #f9f9f9;
}

.kylink_con ul li dl {
    padding: 24px 30px;
}

.kylink_con ul li dt {
    padding-bottom: 20px;
    text-align: center;
    font-weight: 400;
    font-size: 30px;
}

.kylink_con ul li dd {
    position: relative;
    padding: 10px 0;
    overflow: hidden;
    font-size: 16px;
    color: #666;
    border-bottom: solid 1px #e9e9e9;
}

.kylink_con ul li dd span {
    float: left;
    padding-left: 5px;
}

.kylink_con ul li a {
    display: block;
    margin: 10px auto;
    padding: 6px 0 9px;
    width: 184px;
    font-size: 22px;
    text-align: center;
    color: #e01222;
    border: solid 1px #e01222;
    border-radius: 3px;
}

.kylink_con li.kylink_con_mid {
    position: absolute;
    z-index: 1;
    left: 410px;
    top: 0;
    width: 376px;
    height: 422px;
    border-color: #238efa;
    box-shadow: 0 0 4px 2px rgba(0, 0, 0, .1);
}

.kylink_con li.kylink_con_mid h3 {
    color: #fff;
    border-color: #238efa;
    background-color: #238efa;
}

.kylink_con li.kylink_con_mid dl {
    padding-bottom: 48px;
}

.kylink_con li.kylink_con_mid dd {
    padding: 14px 0;
    font-size: 18px;
}

.kylink_con li.kylink_con_mid a {
    color: #fff;
    background: #e01222;
}
.kylink_con li.kylink_con_right{
    margin: 28px 50px 0 0;
}
.kylink_con li.kylink_con_right dl{
    padding: 24px;
}
.ky_product_con{
    margin: 30px 0;
}
.kyp_con_item{
    margin: 0 5px 30px 5px;
    text-align: center;
    width: 390px;
}
.kyp_con_item img{
    display: block;
    margin: 0 auto;
}
.kyp_con_info{
    padding-top: 20px;
    line-height: 30px;
}
.kyp_con_info p:nth-child(1){
    margin-bottom: 20px;
    font-size: 18px;
}
.kyp_con_info p:nth-child(2){
    font-size: 14px;
    line-height: 24px;
    color: #787b80;
}
.problemlist{
    overflow: hidden;
    padding-bottom: 10px;
}
.problem_item{
    width: 385px;
    background: #fff;
    height: 240px;
    margin: 0 7px;
    font-size: 12px;
    box-shadow: 0px 5px 5px #ededee;
    color: #878787;
}
.problem_item h3{
    font-size: 16px;
    color: #fff;
    background: #00B0F0;
    line-height: 60px;
    padding-left: 30px;
}
.problem_item p{
    padding: 0 30px;
    line-height: 26px;
    padding-top: 25px;
    font-size: 14px;
    color: #656565;
}

.wm_sale_list{
    margin: 55px auto 0px;
    overflow: hidden;
}
.wm_sale_list li{
    float: left;
    width: 160px;
    margin: 0px 20px;
    padding-top: 140px;
    position: relative;
}
.wm_sale_list li div{
    position: absolute;
    top: 10px;
    margin: 0px 33px;
    width: 110px;
    height: 110px;
    box-shadow: #a3a3a3 0px 0px 10px;
    border-radius: 60px;
    transition: all .5s ease;
}
.wm_sale_list li div i{
    width: 53px;
    margin: 32px 28px 0px;
    position: absolute;
    height: 45px;
    background-image: url(../image/custom_fw.png);
    transition: all .5s ease;
}
.wm_sale_list li.wm_open div i{
    background: url(../image/custom_fw_now.png);
    transition: all .5s ease;
    transform: rotateY(180deg);
}
.wm_sale_list li:nth-child(2) div i{
    width: 44px;
    background-position: -54px 0px;
    margin: 32px 33px 0px;
}
.wm_sale_list li:nth-child(3) div i{
    width: 46px;
    background-position: -104px 0px;
    margin: 32px 32px 0px;
}
.wm_sale_list li:nth-child(4) div i{
    width: 48px;
    background-position: -156px 0px;
    margin: 32px 31px 0px;
}
.wm_sale_list li:nth-child(5) div i{
    width: 52px;
    background-position: -212px 0px;
    margin: 32px 29px 0px;
}
.wm_sale_list li dd{
    font-size: 18px;
    text-align: center;
    height: 40px;
}
.wm_sale_list li ol{
    font-size: 14px;
    color: #8b8b8b;
    line-height: 26px;
}
.wm_sale_list li.wm_open div{
    background-color: #00B0F0;
    box-shadow: #a3a3a3 0px 0px 0px;
    transition: all .5s ease;
}
.zi_banner{
    position:relative;
    margin:auto;
    width: 1400px;
    height: 400px;
    background: url(../image/banner.jpg) no-repeat center;
}
.area_banner{
    position:relative;
    margin:auto;
    width: 1400px;
    height: 500px;
    background: url(../image/a_banner.jpg) no-repeat center;
}
.area_banner div{
    position:absolute;
    top: 31%;
    left: 8%;
}
.area_banner h2{
    text-align:center;
    font-size: 50px;
    color: #525053;
}
.area_banner p{
    font-size: 35px;
    color: #6c8293;
    margin-top: 100px;
}