.materials_banner_c {
    position: relative;
    height: 520px;
}
.materials_banner_c > img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    background-color: #666666;
}
.materials_banner_w {
    position: absolute;
    top: 50%;
    left: calc(50vw - (var(--lg) / 2));
    width: 680px;
    min-height: 300px;
    transform: translateY(-50%);
    background-color: rgba(255, 255, 255, 0.5);
    padding: 30px;
    border-radius: 4px;
    backdrop-filter: blur(10px);
    color: #333;
}
.materials_banner_w > h1 {
    font-size: 30px;
    font-weight: 400;
    margin-bottom: 20px;
}
.materials_banner_w > .p {
    font-size: 14px;
    margin-bottom: 10px;
    font-family: 'DM Sans';
    line-height: 1.5;
}

.materials_banner_w > .p2 {
    font-size: 14px;
    margin: 20px 0;
}

.materials_banner_w > a {
    background-color: #0052d9;
    color: #fff;
    width: 250px;
    height: 48px;
    line-height: 48px;
    display: none;
    text-align: center;
    font-size: 20px;
    border-radius: 3px;
    margin: 40px 0 10px 0;
}
.materials_banner_w > a > img {
    vertical-align: middle;
    transition: 0.3s;
}
.materials_banner_w > a:hover{
    color: #fff;
}
.materials_banner_w > a:hover img {
    margin-left: 10px;
}

.materials_maximum_width{
    width: 1200px;
    margin: 0 auto;
}

.materials_title{
    margin: 90px 0 50px 0;
    font-size: 30px;
    font-family: DM Sans;
    font-weight: 400;
    text-align: center;
    color: #333333;
}

.materials_content{
    width: 80%;
    margin: 0 auto;
    text-align: center;
    margin-bottom: 50px;
    font-size: 14px;
    line-height: 20px;
}

.materials_prompt{
    height: 60px;
    line-height: 60px;
    background: rgba(2, 83, 212, 0.3);
    border-radius: 3px;
    margin: 80px auto;
}
.materials_prompt>p{
    color: #fff;
    text-align: center;
}
.materials_prompt>p>a{
    color: #0052D9;
}


.materials_table{
    border-collapse:collapse;

}
.materials_thead_tr{
    width: 100%;
}
.materials_thead_tr >th{
    width: 255px;
    height:44px ;
    text-align: left;
    border-bottom: 1px solid #999999;
    padding:10 20px;
}

.materials_tbody_tr{
    width: 100%;
}
.materials_tbody_tr >td ,.materials_tbody_tr2 >td{
    width: 255px;
    height:60px ;
    border-bottom: 1px solid #999999;
    padding:20px 40px 20px 0;
}
.materials_thead_tr >th.b_none{border-bottom: none}
.materials_tbody_tr >td.b_none{border-bottom: none}

.materials_tbody_tr >td>img{
    width: 280px;
    height: 220px;
    background: #FFFFFF;
    border-radius: 0px;
}
.materials_tbody_tr>td.b_center{
    text-align: center;
}
.materials_tbody_tr>td.b_center>.p{
    color:#0052D9;
    font-size: 14px;
    text-align: center;
}
.materials_tbody_tr>td.b_center>.p>a{
    color:#0052D9;
    font-size: 14px;
    text-align: center;
}

.materials_tbody_tr>td.b_center>a {
    background-color: #0052d9;
    color: #fff;
    width: 159px;
    height: 37px;
    line-height: 37px;
    display: inline-block;
    text-align: center;
    font-size: 14px;
    border-radius: 3px;
    padding: 0 10px;
    margin: 10px auto;

}
.materials_tbody_tr >td.b_center > a > img {
    vertical-align: middle;
    transition: 0.3s;
}
.materials_tbody_tr >td.b_center > a:hover{
    color: #fff;
}
.materials_tbody_tr >td.b_center > a:hover img {
    margin-left: 10px;
}

.materials_tbody_tr2 >td.first_frame{
    text-align: center;
}
.materials_tbody_tr2 >td>img{
    width: 110px;
    height: 110px;
    background: #FFFFFF;
    border-radius: 0px;
}
.materials_tbody_tr2 >td >.p{
    text-align: center;
}

.materials_types{
    display: flex;
    justify-content: space-between;
    margin: 90px auto;
}

.materials_types.two{
    margin: 0 auto;
}

.materials_types>.left{
    width: 47%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
}
.materials_types>.left>h2{
    margin-bottom: 100px;
}
.materials_types>.left>ul>li{
    line-height: 30px;
}
.materials_types>.left>ul>li:before {
    content: "";
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: #000000;
    border-radius: 50%;
    margin-right:10px;
}
.materials_types>.left>p{
    margin-bottom: 20px;
    line-height: 24px;
    width: 80%;
}
.materials_types>.right{
    width: 47%;
    height: 30vw;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}
.materials_types>.right>img{
    width: 100%;
    height: 100%;

}

.materials_printing_process_i{
    display: flex;
    flex:1;
    align-items: center;
    justify-content: space-around;
    width: 927px;
    height: 112px;
    margin: 0 auto;
    background: #FFFFFF;
    border: 1px solid #999999;
    margin-bottom: 20px;
    position:relative
}
.triangle{
    width:20px;
    height: 20px;
    border-top: 1px solid #999999;
    border-left: 1px solid #999999;
    transform: rotateZ(135deg);
    background-color: #FFFFFF;
    position: absolute;
    left: -10px;
    top: 46px;
    z-index: 1;
}
.materials_printing_process_i>.p{
    width: 20%;
    font-size: 30px;
    font-family: DM Sans;
    font-weight: bold;
    color: #333;
    text-align: center;

}
.materials_printing_process_i>.printing_process_i_r{
   width: 80%;
}
.printing_process_i_r>.p1{
    color: #0052d9;
}
.materials_reason{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.materials_reason_i{
    margin:0 15px;
    width: 250px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.materials_reason_i>p{
    width: 80%;
    height: 188px;
    font-size: 16px;
    font-family: DM Sans;
    font-weight: 400;
    line-height: 18px;
    color: #333333;
    /* word-break:break-all */
}

.materials_reason_i>.icon{
    width: 50px;
    height: 50px;
    margin: 50px 0 30px 0;
}
.materials_reason_i>.icon>img{
    width: 100%;
    height: 100%;
}

.materials_content_2{
    margin: 20px 0;
    line-height: 20px;
}


.materials_faq{
    width: 800px;
    margin: 0 auto;
    border-bottom: 1px solid #eeee;
}
.materials_faq>.faq_item{
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 44px;
    border-bottom: 1px solid #eeee;
}
.materials_faq>.faq_item>p{
    font-weight: 500;
}
.materials_faq>.materials_answer{
    display: none;
}
.materials_faq>.materials_answer.answer_active{
    display: flex;
    flex-direction: column;
    justify-content:center;
    align-items: flex-start;
    padding: 20px 0;
    line-height: 20px;
}
.materials_faq>.materials_answer.answer_active>p{
    line-height: 24px;
}
.materials_faq>.materials_answer.answer_active>p>a{
    color: #0052d9;
}

.materials_other{
    display: flex;
    justify-content: center;
    align-items: center;
}
.materials_other_i{
    width: 260px;
    height: 360px;
    background: #FFFFFF;
    border-radius: 3px;
    position: relative;
    margin:0 15px 200px 15px;

}
.materials_other_i>img{
    width: 100%;
    height: 100%;
}

.materials_other_i>p{
    width: 260px;
    height: 75px;
    background: rgba(255,255,255, 0.8);
    border-radius: 0px;
    position: absolute;
    bottom: 0;
    left: 0;
    display: flex;
    flex-direction:column;
    justify-content: center;
    align-items: center;
}
.materials_other_i>p>span{
    font-size: 18px;
    font-family: Arial;
    font-weight: bold;
    color: #333333;
}

.materials_other_i>p>a{
    font-size: 14px;
    font-family: Arial;
    font-weight: 400;
    color: #0052D9;
    border-bottom: 1px solid #0052d9;
}


/* ------------ */

.materials_3d_print_aluminum_i{
    width: 950px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex: 1;
    position: relative;
}
.materials_3d_print_aluminum_i>.placeholder{
    width: 60px;
    height: 100%;
    /* padding: 50px 0; */
}
.materials_3d_print_aluminum_i>.left{
    width: 1px;
    height: 100%;
    background-color: #333333;
    margin-right: 50px;
    padding: 50px 0;
    position:absolute;
    top:20px;
    left:0px
}
.materials_3d_print_aluminum_i:first-child>.left{
    padding: 50px 0 0 0;
    position:absolute;
    top:40px;
    left:0px
}
.materials_3d_print_aluminum_i:last-child>.left{
    padding: 0 0 50px 0;
    position:absolute;
    top:-40px;
    left:0px
}
.materials_3d_print_aluminum_i>.right{
    width:890px;
    position: relative;
}
.materials_3d_print_aluminum_i>.right::before{
    content: '';
    width: 20px;
    height: 20px;
    background: #333333;
    border-radius: 50%;
    position: absolute;
    left: -70px;
    top: 40%;
    z-index:1;
}
.materials_3d_print_aluminum_i>.right>p{
    padding: 20px;
    background: #FFFFFF;
    border: 1px solid #707070;
    border-radius: 3px;
    display: flex;
    align-items: center;
    margin: 10px 0 ;
    line-height: 20px;
}


.materials_adv{
    width: 950px;
    margin: 90px auto 30px auto;
    border: 1px solid #0052d9;
    height: 535px;
    border-radius: 4px;

}
.materials_adv>iframe{
    height: 535px;
    width: 100%;
    border-radius: 4px;
}

.materials_from_idea_to_products{
    margin: 100px auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.materials_from_idea_to_products>img{
    width: 207px;
    height: 160px;
    margin-right: 60px;
}
.materials_from_idea_to_products>.left > a {
    background-color: #0052d9;
    color: #fff;
    width: 345px;
    height: 48px;
    line-height: 48px;
    display: block;
    text-align: center;
    font-size: 24px;
    border-radius: 3px;
    margin: 30px 0 10px 0;
}
.materials_from_idea_to_products>.left > a > img {
    vertical-align: middle;
    transition: 0.3s;
}
.materials_from_idea_to_products>.left > a:hover{
    color: #fff;
}
.materials_from_idea_to_products>.left > a:hover img {
    margin-left: 10px;
}