.main_content{
    width: 100%;
    margin:0 auto;
}
.w12{
    width: 1200px;
    margin: 0 auto;
}
.line_clamp2{
    overflow: hidden;      
    text-overflow: ellipsis;      
    display: -webkit-box;      
    -webkit-line-clamp: 2;   
    -webkit-box-orient: vertical; 
}
/* banner */
.carousel_wrap{
    max-width: 1920px;
    height: 300px;
    margin: 0 auto; 
}
.carousel_wrap .item{
    height:300px;
    width:100%;
}
.carousel_wrap .item>img{
    height: 300px;
}
.carousel_wrap .carousel-indicators{
    bottom: 15px;
    top: unset;
    left: 50%;
    margin-left: -25px;
}
.carousel-control{
    top:50%;
    margin-top: -23px;
}
.carousel-inner .item .item_desc{
    position: absolute;
    width: 690px;
    left: 50%;
    top: 44%;
    transform: translate(-50%,-50%);
    color: #fff;
}
.item_desc p{
    font-size: 22px;
    font-weight: 600;
}
.item_desc h3{
    font-size: 32px;
    font-weight: 600;
    margin-top: 13px;
    margin-bottom: 30px;
}

.item_desc>a{
    padding: 9px 15px;
    border-radius: 36px;
    background: rgba(255,255,255,.4);
    color: #657c9c;
}
.carousel-inner .item .item_desc_2{
    width: 1150px;
    box-sizing: border-box;
    padding-left: 10px;
}
.carousel-inner .item .item_desc_2 h3{
    line-height: 50px;
    margin-top: 0;
}
.carousel-inner .item .item_desc_2 h3 p{
    font-size: 24px;
    margin-top: 10px;
    font-weight: normal;
}
.carousel-inner .item .item_desc_2>a{color: #fff;background: rgba(0,0,0,0.2);}
.carousel-inner .item .item_desc_3{
    width: 420px;
    top: 57%;
}
.carousel-inner .item .item_desc_3 h3{
    margin-top: 0;
    margin-bottom: 13px;
}
.carousel-inner .item .item_desc_2 h3 span{
    color: yellow;
    font-size: 48px;
}
.carousel-inner .img_show{
    display: inline-block;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center top;
}
.carousel-inner .item .item_desc_3 p{
    line-height: 30px;
    font-size: 16px;
    margin-bottom: 30px;
}
.carousel-inner .item .item_desc_3>a{color: #fff;}
.carousel-inner .item .item_desc_4{
    width: 400px;
    top: 60%;
}
.carousel-inner .item .item_desc_4 p,
.carousel-inner .item .item_desc_4 h3,
.carousel-inner .item .item_desc_4 a{color: #333;}
.carousel-inner .item .item_desc_5{
    width: 250px;
    text-align: right;
    color: #333;
    top: 60%;
    left: 53%;
}
.carousel-inner .item .item_desc_5 h3{
    color: #37a8f4;
    margin-bottom: 10px;
    margin-top: 10px;
}
.carousel-inner .item .item_desc_5 p{
    font-size: 16px;
}
.carousel-inner .item .item_desc_5 a{color: #333;background: rgba(255,255,255,255,.8);}
/* 分类 */
.main_cat{
    margin: 20px auto;
    margin-bottom: 15px;
}
.new_box_1{
    float: left;
    width: 100%;
    height: auto;
    margin-bottom: 27px;
}
.new_box_1 .box_1_li{
    float: left;
    width: 285px;
    height: 230px;
    box-sizing: border-box;
    border: 1px solid #d0dada;
    padding: 0 15px;
    margin-right: 20px;
}
.new_box_1 .box_1_li h3{
    float: left;
    width: 100%;
    line-height: 42px;
    margin-top: 8px;
    font-size: 18px;
    font-weight: bold;
    color: #333;
    border-bottom: 1px dashed #dddddd;
}
.new_box_1 .box_1_li h3:hover{
    color: #ff6900;
}
.new_box_1 .box_1_li img{
    float: left;
    width: 100%;
    margin-top: 16px;
}
.new_box_1 .box_1_li:last-child{
    margin-right: 0;
}
.new_box_2{
    float: left;
    width: 100%;
    margin-bottom: 30px;
    box-sizing: border-box;
    border: 1px solid #d0dada;
    height: 280px;
    padding: 0 15px;
}
.new_box_2 .box_2_li{
    float: left;
    width: 194px;
    box-sizing: border-box;
    padding:0 15px;
}
.new_box_2 .box_2_li img{
    float: left;
    width: 100%;
}
.new_box_2 .box_2_li p{
    float: left;
    width: 100%;
    font-size: 14px;
    line-height: 20px;
    color: #333;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    height: 40px;
    margin-top: 10px;
}
.new_box_2 .box_2_li:hover p{
    color: #ff6900;
}
.new_box_2 h3{
    float: left;
    width: 100%;
    margin-top: 20px;
    font-size: 18px;
    font-weight: bold;
    box-sizing: border-box;
    padding: 0 5px;
    line-height: 20px;
}
.cat_item{
    float: left;
    width: 590px;
    height: 280px;
    margin-right: 20px;
    margin-bottom: 20px;
    padding:10px;
    box-sizing: border-box;
    position: relative;
    border: 1px solid #ccc;
}
.cat_item:nth-child(2n){
    margin-right: 0;
}
.cat_item h3{
    color: #333;
    font-size: 16px;
    font-weight: 600;
    position: relative;
    padding-right: 30px;
    padding-left: 20px;
    box-sizing: border-box;
    word-break: break-word;
    line-height: 24px;
    height: 48px;
    margin-top: 2px;
}
.cat_item h3::after{
    content: '';
    position: absolute;
    top: 8px;
    left: 8px;
    width: 7px;
    height: 7px;
    background:#ff6900;
}
.cat_item h3 a{
    display: block;
    width: 100%;
    color: #333;
}
.cat_item h3 a:hover{
    color: #ff6900;
}
.cat_item h3 .cat_item_more{
    position: absolute;
    top:0;
    right: 10px;
    width: auto;
    color: #ff6900;
    font-weight: 100;
}
.cat_item h3:hover:hover .cat_item_more{color: #ff6900;}
.cat_item h3 .cat_item_more:hover{
    color: #ff6900;
    text-decoration: underline;
}
.cat_item .cat_item_left{
    float: left;
    width: 360px;
    padding-left: 20px;
    box-sizing: border-box;
}
.cat_item .cat_item_left a{
    color: #333;
    display: block;
    margin: 5px 0;
    overflow: hidden;
    word-break: break-word;
    white-space: nowrap;
    text-overflow: ellipsis;
    line-height: 25px;
}
.cat_item .cat_item_left a:hover{
    color: #ff6900;
}
.cat_item .cat_item_left a img{
    float: left;
    width: 25px;
    margin-right: 5px;
    height: 25px;
}
.cat_item .right_img{
    float: right;
    width: 180px;
    height: 180px;
    margin-right: 20px;
}
/* 链接 */
.region_five_box{
    width: 100%;
    height: 80px;
}
.region_five{
    margin: 0 auto;
    width: 1200px;
    height: 80px;
    display: flex;
}
.region_five .region_five_child{
    flex: 1;
    box-sizing: border-box;
    text-align: center;
    line-height: 80px;
    font-size: 18px;
    font-weight: bolder;
    color: #333333;
    position: relative;
}
.region_five_child img{
    margin-top: -5px;
    margin-right: 25px;
}
.region_five_child i {
    display: inline-block;
    vertical-align: middle;
    width: 34px;
    height: 32px;
    margin-top: -3px;
    margin-right: 25px;
}
.region_five_child:nth-child(1) i {
    margin-top: 0px;
    background: url("../images/css_sprites.png") -261px -85px;
}
.region_five_child:nth-child(2) i {
    background: url("../images/css_sprites.png") -261px -128px;
}
.region_five_child:nth-child(3) i {
    background: url("../images/css_sprites.png") -261px -177px;
}
.region_five_child:nth-child(4) i {
    width: 42px;
    height: 40px;
    background: url("../images/css_sprites.png") -167px -198px;
}
.region_five_child span{
    position: absolute;
    display: inline-block;
    width: 2px;
    height: 30px;
    background: #DCE5E5;
    left: 0;
    top: 25px;
}
.region_five_child a{
    cursor: pointer;
    color: #333333;
}
.content_footer{
    /*border: none!important;*/
    /*margin-top: 0!important;*/
}


.hand_tools_box{
    width: 100%;
    float: left;
    margin-top: 30px;
    position: relative;
}
.hand_tools_box a{
    position: absolute;
    bottom: 0;
    left: 300px;
    padding: 9px 15px;
    border-radius: 36px;
    color: #fff;
    background: rgba(0,0,0,0.2);
}
.hand_tools_box h3{
    line-height: 42px!important;
    font-size: 32px;
    color: #fff;
    font-weight: bold;
    margin-bottom: 10px;
}
.hand_tools_box p{
    font-size: 18px;
    line-height: 30px;
    position: relative;
    padding-left: 12px;
    box-sizing: border-box;
}
.hand_tools_box p::after{
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    background: #fff;
    border-radius: 6px;
}
.item_desc_pipe p{
    font-weight: normal;
    line-height: 40px;
} 
.item_desc_pipe p::after{
    top: 16px;
}
.item_desc_pipe a{
    left: 145px;
}
.all_categories{
    float: left;
    width: 100%;
    border-bottom: 1px dashed #d0dada;
    position: relative;
    margin-top: 36px;
    margin-bottom: 13px;
}
.all_categories .btn_box{
    position: absolute;
    top: -20px;
    width: 200px;
    height: 40px;
    transform: translate(-50%,0);
    left: 50%;
    background: #fff;
    text-align: center;
}
.all_categories .btn_box a{
    display: inline-block;
    text-align: center;
    width: 160px;
    height: 40px;
    line-height: 40px;
    font-size: 16px;
    color: #fff;
    background: #ff6900;
    border-radius: 4px;
}