.w{width:62.5vw;font-size:.9375vw;height:100%;margin:0 auto}@media screen and (max-width:1200px){.w{font-size:1.33333333vw;background-color:rgba(255,0,0,0)}}#header_page{position:fixed;top:0;z-index:999}.banner{margin-top:3.22916667vw;width:100%;height:26.04166667vw;overflow:hidden;background:url(../img/youxiang-bg.webp);background-size:cover;background-repeat:no-repeat}.banner .banner_text .h1s{color:#fff;font-weight:500;font-size:2.1875vw;line-height:2.5vw;white-space:pre-line;margin-top:4.16666667vw}.banner .banner_text .h2s{margin-top:.41666667vw;width:23.4375vw;text-align:justify;margin-bottom:1.5625vw;font-weight:400;font-size:.88541667vw;line-height:1.30208333vw;color:#fff}.banner .banner_text button{width:9.375vw;height:2.8125vw;background-color:#4c6aff;border:0 solid #4c6aff;color:#fff;border-radius:5px}.content_Blocks{margin-top:5.72916667vw}.natural_resources{display:flex;justify-content:space-between}.natural_resources .natural_resources_text{flex:.8}.natural_resources .natural_resources_text .biank{width:5.20833333vw;text-align:center;font-size:.83333333vw;border-radius:5px;padding:.26041667vw 0;background-color:#d7e2ff;color:#245bdb;margin:1.04166667vw 0}.natural_resources .natural_resources_text .biank1{width:5.20833333vw;text-align:center;font-size:.83333333vw;border-radius:5px;padding:.26041667vw 0;background-color:#ffddda;color:#db4941;margin:1.04166667vw 0}.natural_resources .natural_resources_text .biank2{width:5.20833333vw;text-align:center;font-size:.83333333vw;border-radius:5px;padding:.26041667vw 0;background-color:#d7e2ff;color:#245bdb;margin:1.04166667vw 0}.natural_resources .natural_resources_text h1,.natural_resources .natural_resources_text h2.h1v{font-weight:600;font-size:1.875vw;line-height:1.875vw;color:#272e47}.natural_resources .natural_resources_text .beidiao{margin-top:0}.natural_resources .natural_resources_text h2{font-size:.9375vw;font-weight:500;line-height:normal;color:#272e47;margin-top:1.45833333vw}.natural_resources .natural_resources_text p{font-size:.72916667vw;line-height:1.14583333vw;color:#545a6e;margin-top:.41666667vw}.natural_resources .natural_resources_text button{background-color:#4c6aff;width:9.375vw;height:2.29166667vw;border:none;padding:.625vw 1.66666667vw;color:#fff;font-size:.83333333vw;margin-top:1.04166667vw;border-radius:.26041667vw}.natural_resources .natural_resources_text .gn{font-weight:400;font-size:.72916667vw;line-height:1.25vw;color:#545a6e;margin-bottom:.41666667vw;margin-top:1.04166667vw}.natural_resources .natural_resources_text .text_a{display:flex}.natural_resources .natural_resources_text .text_a div{font-weight:400;font-size:.72916667vw;line-height:1.14583333vw;color:#272e47;background:#eff2ff;padding:.26041667vw .52083333vw;border-radius:.26041667vw}.natural_resources .natural_resources_text .text_a div .iconfont{font-size:.72916667vw}.natural_resources .natural_resources_text .text_a div:nth-child(n+2){margin-left:.52083333vw}.natural_resources .natural_resources_text .text_a div:hover{color:#5875fe}.natural_resources .lefts h1,.natural_resources .lefts h2.h1v,.natural_resources .lefts h2,.natural_resources .lefts p,.natural_resources .lefts button,.natural_resources .lefts .biank1,.natural_resources .lefts .biank2{margin-left:2.08333333vw}.natural_resources .lefts h1,.natural_resources .lefts h2.h1v{margin-top:0}.natural_resources .text_img{flex:1.2}.natural_resources .text_img img{width:32.8125vw}.natural_resources .text_img .imgleft{margin-left:3.125vw}.natural_resources:nth-child(n+2){margin-top:7.8125vw}.swiper{position:relative}.fenye{position:absolute;width:5.20833333vw;height:1.40625vw;background-color:#7777773f;bottom:-0.52083333vw;left:50%;transform:translate(-50%, -50%);z-index:1;border-radius:20px;display:none}.swiper-button-prev{display:none}.swiper-button-next{display:none}.swiper:hover .fenye{display:block}.swiper:hover .swiper-button-prev{display:block}.swiper:hover .swiper-button-next{display:block}.technical{overflow:hidden;background-color:#3f4770;padding-bottom:1.5625vw}.technical .technical_text h1,.technical .technical_text h2.h1v{font-weight:600;font-size:1.875vw;line-height:normal;color:#fff;padding:4.6875vw 0 2.08333333vw;text-align:center}.technical .technical_neirong{display:flex;justify-content:space-between;flex-wrap:wrap}.technical .technical_neirong .technical_neirong_1{padding:1.04166667vw 1.5625vw;display:flex;background-color:#495077;border-radius:.52083333vw}.technical .technical_neirong .technical_neirong_1 .technical_1 img{width:6.25vw;height:6.25vw}.technical .technical_neirong .technical_neirong_1 .technical_2{margin-left:1.30208333vw}.technical .technical_neirong .technical_neirong_1 .technical_2 h3{font-weight:500;font-size:1.04166667vw;line-height:1.45833333vw;margin-top:.625vw;color:#fff}.technical .technical_neirong .technical_neirong_1 .technical_2 p{margin-top:.41666667vw;font-weight:400;font-size:.72916667vw;line-height:1.14583333vw;color:#fff;white-space:pre-line}.technical .technical_neirong .technical_neirong_1:nth-child(n + 3){margin-top:1.04166667vw}.case{width:100%;height:500px;background-color:#b3b3b3;padding:1.5625vw 0}.case .case_text{position:relative;overflow:hidden}.case .case_text .case_wenb{text-align:center}.case .case_text .swiper-container{width:100%;height:100%;position:relative}.case .case_text .swiper-slide{text-align:center;font-size:18px;background:#fff;display:-webkit-box;display:-ms-flexbox;display:-webkit-flex;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;-webkit-justify-content:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;-webkit-align-items:center;align-items:center}.expert{padding:3.125vw 0}.expert .expert_text{display:flex}.expert .expert_text .expert_left{flex:1}.expert .expert_text .expert_left .psh1{font-weight:500;font-size:1.66666667vw;line-height:2.34375vw;color:#272e47}.expert .expert_text .expert_left .psh2{font-weight:400;font-size:.72916667vw;line-height:1.14583333vw;color:#545a6e;margin-top:.41666667vw;margin-bottom:2.08333333vw}.expert .expert_text .expert_left .expert_neirong{display:flex}.expert .expert_text .expert_left .expert_neirong .expert_img{width:2.5vw;height:2.5vw;margin-right:.83333333vw}.expert .expert_text .expert_left .expert_neirong .expert_img img{width:100%;height:100%}.expert .expert_text .expert_left .expert_neirong .psh3{font-weight:500;font-size:.83333333vw;line-height:1.25vw;color:#272e47;margin-bottom:.20833333vw}.expert .expert_text .expert_left .expert_neirong .psh4{font-weight:400;font-size:.72916667vw;line-height:1.14583333vw;color:#747a8c}.expert .expert_text .expert_left .expert_neirong:nth-child(n+2){margin-top:1.5625vw}.expert .expert_text .expert_right{flex:1}.expert .expert_text .expert_right img{width:100%}.select{padding:1.5625vw 0}.select .select_text .select_div{font-weight:500;font-size:1.66666667vw;line-height:2.34375vw;color:#272e47;text-align:center;margin-bottom:2.08333333vw}.select .select_text .select_box{display:flex;justify-content:space-between}.select .select_text .select_box .select_fade{padding:1.30208333vw 2.08333333vw;display:flex;box-shadow:0 4px 32px rgba(3,27,78,0.192)}.select .select_text .select_box .select_fade .select_img img{width:2.08333333vw;height:2.08333333vw}.select .select_text .select_box .select_fade .select_p{margin-left:.78125vw}.select .select_text .select_box .select_fade .select_p .p1{font-weight:500;font-size:.83333333vw;line-height:1.25vw;color:#000}.select .select_text .select_box .select_fade .select_p .p2{font-weight:400;font-size:.72916667vw;line-height:1.14583333vw;color:#545a6e;white-space:pre-line}@media screen and (max-width:790px){.w{width:94% !important;height:12.65822785vw}.banner{margin-top:0 !important;height:44.30379747vw;background:url(../img/youxiang-bg.webp);background-size:cover;background-repeat:no-repeat;background-position:center}.banner .banner_text .h1s{font-size:5.3164557vw;line-height:6.07594937vw;margin-top:2.53164557vw}.banner .banner_text .h2s{margin-top:1.01265823vw;width:56.96202532vw;margin-bottom:3.79746835vw;font-size:2.15189873vw;line-height:3.16455696vw}.banner .banner_text button{width:22.78481013vw;height:6.83544304vw;font-size:2.53164557vw}.natural_resources{display:block}.natural_resources .natural_resources_text{text-align:center}.natural_resources .natural_resources_text .biank{width:12.65822785vw;font-size:2.02531646vw;padding:.63291139vw 0;margin:2.53164557vw auto 2.53164557vw}.natural_resources .natural_resources_text .biank1{width:12.65822785vw;font-size:2.02531646vw;padding:.63291139vw 0;margin:2.53164557vw auto 2.53164557vw}.natural_resources .natural_resources_text .biank2{width:12.65822785vw;font-size:2.02531646vw;padding:.63291139vw 0;margin:2.53164557vw auto 2.53164557vw}.natural_resources .natural_resources_text h1,.natural_resources .natural_resources_text h2.h1v{font-size:4.55696203vw;line-height:4.55696203vw}.natural_resources .natural_resources_text h2{font-size:2.27848101vw;margin-top:3.5443038vw}.natural_resources .natural_resources_text p{font-size:1.7721519vw;line-height:2.78481013vw;margin-top:1.01265823vw}.natural_resources .natural_resources_text button{width:22.78481013vw;height:5.56962025vw;padding:1.51898734vw 4.05063291vw;font-size:2.02531646vw;margin-top:2.53164557vw;border-radius:.63291139vw}.natural_resources .natural_resources_text .gn{font-size:1.7721519vw;line-height:3.03797468vw;margin-bottom:1.01265823vw;margin-top:2.53164557vw}.natural_resources .lefts h1,.natural_resources .lefts h2.h1v,.natural_resources .lefts h2,.natural_resources .lefts p,.natural_resources .lefts button,.natural_resources .lefts .biank1,.natural_resources .lefts .biank2{margin-left:auto}.natural_resources .lefts h1,.natural_resources .lefts h2.h1v{margin-top:0}.natural_resources .text_img img{width:100%}.natural_resources .text_img .imgleft{margin-left:0}.natural_resources:nth-child(n+2){margin-top:10.12658228vw}.yd_yic{display:none}.yd_xianshi{display:block !important}.select{padding:3.79746835vw 0}.select .select_text .select_div{font-size:4.05063291vw;line-height:5.69620253vw;margin-bottom:5.06329114vw}.select .select_text .select_box{flex-wrap:wrap}.select .select_text .select_box .select_fade{width:31.64556962vw;padding:3.16455696vw 5.06329114vw;box-shadow:0 .20833333vw 1.66666667vw rgba(3,27,78,0.192)}.select .select_text .select_box .select_fade .select_img img{width:5.06329114vw;height:5.06329114vw}.select .select_text .select_box .select_fade .select_p{margin-left:1.89873418vw}.select .select_text .select_box .select_fade .select_p .p1{font-size:2.02531646vw;line-height:3.03797468vw}.select .select_text .select_box .select_fade .select_p .p2{font-size:1.7721519vw;line-height:2.78481013vw}.select .select_text .select_box .select_fade:nth-child(n + 3 ){margin-top:3.79746835vw}}