.fixtop{position:fixed;width:100%;top:0;background-color:#fff;z-index:99;max-width:750px}
.fixtop .top_ul{padding: 0.75rem 0;}
.fixtop ul li{margin-top:0;justify-content:center}
.fixtop ul li span{background-color:#FF8100;padding:0 8px;border-radius:.5rem;margin-left:.7rem;min-width:5rem;height:1.8rem;line-height:1.8rem;display:inline-block;text-align:center;text-transform:capitalize}
.fixtop ul li span a{color:#fff}
.animation {animation: scale 4s linear infinite;}


/* 头部 */
.header{display: flex;flex-wrap: wrap;justify-content: space-between;align-items: center;background: #FF8100;padding: 1rem 0;position: relative;height: 4rem;}
.header .logo{width: 15%;}
.header .logo img{margin: 0 auto;width: 4rem;}
.header .company_name{width: 75% !important;text-align: center;color: white;}
.header .company_name h1{font-size: 1.2rem;line-height: 1.5;}
.header .company_name h2{font-size: 1.15rem;line-height: 1.5;}
.header .menu{width:9.5%;}
/* 导航按钮样式 */
.nav-button{width:2rem;height:1rem;cursor:pointer;z-index:1000;margin: 0 auto;}
.nav-button span{display:block;width:100%;height:3px;background-color:#fff;margin-bottom:5px;transition:all 0.3s ease}
.nav-menu{display: none;max-width:750px;height:100%;transition:top 0.3s ease;z-index:999}
/* 遮罩层样式 */
.nav_top{position: absolute;top: 6rem;left: 0;width:100%;background: rgba(66, 52, 46, 0.9);}
.nav_top ul li{padding: 0.75rem 0;border-bottom: 1px solid #fff;}
.nav_top ul li:last-child{border-bottom: none;}
.nav_top ul li h2{font-size: 1.2rem;display: flex;flex-wrap: wrap;align-items: center;}
.nav_top ul li h2 img{margin-left: 0.5rem;border-radius: 0.75rem;width: 2rem;}
.nav_top ul li ul{margin-top: 0.5rem;}
.nav_top ul li ul li{border-bottom: none;margin-left: 1.5rem;padding: 0;}
.nav_top ul li ul li img{width: .75rem;border-radius: inherit;}
.nav_top ul li ul li h2 a{font-size: 1rem !important;}
.nav_top ul li h2 a{color: white;line-height: 2rem; margin-left: 1rem;}
/* 菜单展开时的样式 */
.nav-menu.open {display: block;}
/* 导航按钮动画样式 */
.nav-button.open span:nth-child(1){transform: rotate(-45deg) translate(-5px, 6px);}
.nav-button.open span:nth-child(2){opacity: 0;}
.nav-button.open span:nth-child(3){transform: rotate(45deg) translate(-5px, -6px);}


/* 头部主体 */
/* .F2BD21 */
.header_main{background-image: linear-gradient(to right, rgb(238,196,69), rgb(248,204,72), rgb(238,196,69));padding-top: 1.5rem;padding-bottom: 1rem;}
.header_main .title{text-align: center;}
.header_main .title h1{font-size: 1.75rem;color: white;text-transform: uppercase;}
.header_main .title .line{width: 60%;height: 0.1rem;background: white;margin: 0 auto;margin-top: 0.5rem;}
.header_main .main{width: 90%;margin: 0 auto;display: flex;flex-wrap: wrap;justify-content: space-between;margin-top: 1rem;}
.header_main .main .item{width: 20%;text-align: center;}
.header_main .main .item .img{height: 6.25rem;display: flex;flex-wrap: wrap;justify-content: center;align-items: center;}
.header_main .main .item span{color: white;font-size: 1.2rem;}
.header_main .main .icon{width: 3%;height: 6.25rem;display: flex;flex-wrap: wrap;justify-content: center;align-items: center;}
.header_main .brackets{width: 100%;margin: 1rem 0;}
.header_main .brackets img{max-width: 80%;margin: 0 auto;}
.header_main .process{width: 50%;margin: 0 auto;display: flex;flex-wrap: wrap;justify-content: space-between;}
.header_main .process .item{width: 38%;text-align: center;}
.header_main .process .item .img{height: 6.5rem;display: flex;flex-wrap: wrap;justify-content: center;align-items: center;}
.header_main .process .icon{width: 8%;height: 6.5rem;display: flex;flex-wrap: wrap;justify-content: center;align-items: center;}
.header_main .process .item span{color: white;font-size: 1.2rem;margin-top: 0.5rem;}

/* Palm oil refining and fractionaltion */
.palm_refining{background: #FF8100;padding: 1.5rem 0;}
.palm_refining .refining_list{width: 96%;margin: 0 auto;}
.palm_refining .refining{width: 94%;background: white;margin: 0 auto;border-radius: 1rem;padding-bottom: 1.5rem;}
.palm_refining .refining .title{text-align: center;}
.palm_refining .refining .title h3{background: #FF8100;width: 80%;margin: 0 auto;padding: 0.5rem 0;color: white;font-size: 1.25rem;border-bottom-left-radius: 1rem;border-bottom-right-radius: 1rem;}
.palm_refining .palm_text{margin:0.75rem 0;font-size: 1.2rem;}
.palm_refining .palm_text>:first-child{margin-bottom: 0.25rem;}
.palm_refining .palm_text>:nth-child(2){display: inline-block;margin: 0.25rem 0;}
.palm_refining .palm_item ul{display: flex;flex-wrap: wrap;justify-content: space-around;}
.palm_refining .palm_item ul li{width: 47%;margin: 0 auto;}
.palm_refining .palm_item ul li span{width: 100%;background: #FEDE4B;text-align: center;padding: 0.5rem 0;font-size: 1.2rem;}
.palm_refining .palm_item ul i{width: 0.1rem;display: block;background: #666;}
.palm_refining .palm_item ul li .text{margin-top: 0.5rem;font-size: 1.15rem;}
.palm_refining .palm_item ul li .text>:first-child{margin-bottom: 0.5rem;}

.palm_refining .batch_type{width: 98%;margin: 0 auto;margin-top: 1.5rem;}
.palm_refining .batch_type .text{font-size: 1.2rem;margin-bottom: 1rem;}
.palm_refining .batch_type .pic{border: 0.1rem solid #FF8100;}
.palm_refining .batch_type .pic .img{margin: 0.5rem 0;}
.palm_refining .batch_type .pic .img img{max-width: 98%;margin: 0 auto;padding: 0.25rem 0;}
.palm_refining .batch_type .pic .txt{width: 100%;background: #FF8100;text-align: center;padding: 0.5rem 0;position: relative;}
.palm_refining .batch_type .pic .txt a{font-size: 1.2rem;color: white;display: inline-block;width: 100%;height: 100%;}
.palm_refining .batch_type .pic .txt img{position: absolute;top: 20%;right: 5%;}
.palm_refining .cooking_oil .img img{max-width: 94%;margin: 0 auto;}
.palm_refining .cooking_oil .text{font-size: 1.2rem;display: flex;margin-top: 1rem;}
.palm_refining .refining_list .tips{font-size: 1.2rem;display: flex;margin-top: 1rem;}
.palm_refining .refining_list .tips b{color: #FF8100;}
.palm_refining .refining .video{width: 96%;margin: 0 auto;margin-top: 1rem;margin-bottom: 1rem;}
.palm_refining .refining .video iframe{width: 100%;height: 20rem;border-radius: 1rem;box-shadow: 0 0 10px #999;border: 0.01rem solid #FF8100;}
.palm_refining .refining .video_text{width: 96%;margin: 0 auto;font-size: 1.2rem;text-align: justify;}

/* 留言表单 */
.form-wrap{padding:1rem;background: #FEC337;padding: 1.25rem 0;}
.form-wrap .form_item{background-color:rgb(247 255 229);width: 96%;margin: 0 auto;padding: 1.25rem 0;}
.form-wrap .form_item>h3{text-align:center;font-size:2.4rem;line-height:4.6rem;margin:0;position: relative;}
.form-wrap h3 img{position: absolute;left: 1rem;width: 4rem;}
.form-wrap .form_item>p{font-size:1.15rem;line-height:1.5;margin:1.5rem 0;text-align:justify;padding:0 1.5rem}
.form-wrap .form_item>p a{color:#FF8100}
.form-wrap .form_item>form{padding:1% 0;width: 98%;margin: 0 auto;}
.form-wrap .form_item>form>div{margin-bottom:1rem;display:flex;align-items:flex-start}
.form-wrap .form_item>form>div .tel{display: flex;flex-wrap: wrap;align-items: center;width: 26%;}
.form-wrap .form_item>form div img{width:2rem;margin-right: 0.1rem;}
.form-wrap .form_item>form div span{display:block;width:7rem;color:#333;text-align:center;font-size:1rem;line-height:2.5rem;}
.form-wrap .form_item>form input{display:inline-block;width:74%;height:2.5rem}
.form-wrap .form_item>form textarea{width:74%;min-height:5rem}
.form-wrap .form_item>form p{background-color:#47aa3a;text-align:center;color:#fff;border-bottom:2px solid #47aa3a;height:3.6rem;margin:0 auto;font-size:1.8rem;line-height:3.6rem}
input,textarea{border:1px solid #ccc;padding-left:1rem;font-family:Arial,Helvetica,sans-serif;border-radius:4px;font-size:1rem;line-height:1.5;box-sizing:border-box;outline: none;background: transparent;border-radius: 1rem;resize: none;}
.dn{display:none}
#kind_question{display:none}
#potato_question{display:none}
#Cassava_question{display:none}
#faq1{display:none}
#faq2{display:none}
#faq3{display:none}
#faq4{display:none}
form{display:none}
.form-wrap ul{font-size:1.2rem;line-height:1.5;margin:1rem auto;padding:0 1.5rem}
.form-wrap ul li:nth-child(1){margin-bottom: 0.5rem;}
.form-wrap ul input{margin:0 .5rem 0 0;width:1rem;height:1rem}
.form-wrap ul li .q{background: #FFCB61;border-radius: 0.5rem;width: 1rem;width: 1.5rem;text-align: center;margin-right: 0.5rem;}
.form-wrap ul li .other{width: 12%;}
.form-wrap ul li .input{width: 85%;height: 2rem;background: transparent;border-top: none;border-left: none;border-right: none;border-radius: inherit;}
.form-wrap #get_submit button{padding:1rem 1.5rem;border-radius:1rem;border:0;background-color:rgb(255,129,0);letter-spacing:1.5px;font-size:1.25rem;transition:all 0.3s ease;box-shadow:rgb(236,210,141) 0px 10px 0px 0px;color:hsl(0,0%,100%);cursor:pointer;margin: 0 auto;width: 50%;}

/* PALM OIL FRACTIONATION MACHINE */
.fractionation{background: #FF8100;padding: 1.5rem 0;}
.fractionation .fraction_oil{background: white;width: 94%;margin: 0 auto;}
.fractionation .fraction_oil .root{background: url(../img/fractionation_oil.png) no-repeat;background-size: 100% 100%;padding-bottom: 1.5rem;}
.fractionation .fraction_oil .title{text-align: center;}
.fractionation .fraction_oil .title h3{background: #FF8100;width: 80%;margin: 0 auto;padding: 0.5rem 0;color: white;font-size: 1.25rem;border-bottom-left-radius: 1rem;border-bottom-right-radius: 1rem;}
.fractionation .fraction_oil .fraction_item{margin-top: 1rem;}
.fractionation .fraction_oil .fraction_item .fraction_img{width: 96%;margin: 0 auto;position: relative;padding: 1.5rem 0;}
.fractionation .fraction_oil .fraction_item .fraction_img span{position: absolute;font-size: 1.2rem;}
.fractionation .fraction_oil .fraction_item .fraction_img .s1{left: 1rem;top: 8rem;}
.fractionation .fraction_oil .fraction_item .fraction_img .s2{bottom: 1rem;width: 100%;text-align: center;}
.fractionation .fraction_oil .fraction_item .fraction_img .s3{right: 0;top: 7rem;}
.fractionation .fraction_oil .fraction_item .fraction_img .s4{right: -0.5rem;bottom: -0.5rem;}
.fractionation .fraction_oil .fraction_item .fraction_img img{margin: 0 auto;max-width: 98%;}
.fractionation .fraction_oil .fraction_item .throw_bottom img{margin: 0 auto;max-width: 60%;}
.fractionation .fraction_oil .fraction_item .item{width: 94%;margin: 0 auto;display: flex;flex-wrap: wrap;justify-content: space-between;margin-top: 0.5rem;}

.fractionation .fraction_oil .fraction_item .item .list{width: 32%;}
.fractionation .fraction_oil .fraction_item .item .list .img img{margin: 0 auto;}
.fractionation .fraction_oil .fraction_item .item .list span{width: 100%;text-align: center;font-size: 1.2rem;margin-top: 0.5rem;}
.fractionation .fraction_oil .processing_capacity{margin-top: 1rem;}
.fractionation .fraction_oil .processing_capacity .img img{margin: 0 auto;max-width: 94%;}
.fractionation .fraction_oil .processing_capacity .img{position: relative;}
.fractionation .fraction_oil .processing_capacity .img .contact{position: absolute;top: 1.5rem;left:2rem;width: 55%;}
.fractionation .fraction_oil .processing_capacity .img .contact h3{font-size: 1.2rem;}
.fractionation .fraction_oil .processing_capacity .img .contact p{margin: 0.5rem 0;font-size: 1rem;}
.fractionation .fraction_oil .video{width: 96%;margin: 0 auto;margin-top: 1rem;margin-bottom: 1rem;}
.fractionation .fraction_oil .video iframe{width: 100%;height: 20rem;border-radius: 1rem;box-shadow: 0 0 10px #999;border: 0.01rem solid #FF8100;}
.fractionation .fraction_oil .video_text{width: 96%;margin: 0 auto;font-size: 1.2rem;text-align: justify;}

/* OTHER RECOMMENDATION PRODUCTS */
.other_recommendation{background: #FFF8DB;padding: 1.5rem 0;}
.other_recommendation .other_title{text-align: center;}
.other_recommendation .other_title h3{color: white;background: #FE8924;font-size: 1.5rem;padding: 1rem 0;text-transform: uppercase;}
.other_recommendation .other_item{width: 94%;margin:0 auto;margin-top: 1rem;}
.other_recommendation .other_item .special_img{display: flex;flex-wrap: wrap;justify-content: space-between;}
.other_recommendation .other_item .special_img .big{width: 65%;position: relative;}
.other_recommendation .other_item .special_img .small{width: 33%;position: relative;}
.other_recommendation .other_item .special_img span{position: absolute;bottom:0;width: 100%;text-align: center;background: #E06619;padding: 0.25rem 0;font-size: 1.15rem;color: white;}

.other_recommendation .other_item .list_item{display: flex;flex-wrap: wrap;justify-content: space-between;margin-top: 1rem;}
.other_recommendation .other_item .list_item .item{width: 49%;position: relative;}
.other_recommendation .other_item .list_item .item span{position: absolute;bottom:0;width: 100%;text-align: center;background: #E06619;padding: 0.25rem 0;font-size: 1.15rem;color: white;}

.other_recommendation .other_item .case_list{display: flex;flex-wrap: wrap;justify-content: space-between;margin-top: 1rem;}
.other_recommendation .other_item .case_list .item{width: 32%;position: relative;}
.other_recommendation .other_item .case_list .item span{position: absolute;bottom:0;width: 100%;text-align: center;background: #E06619;padding: 0.25rem 0;font-size: 1rem;color: white;}
.other_recommendation .other_item .list{margin-top: 1rem;width: 100%;position: relative;}
.other_recommendation .other_item .list span{position: absolute;bottom:0;width: 100%;text-align: center;background: #E06619;padding: 0.25rem 0;font-size: 1.15rem;color: white;}


/* Project Cases */
.project_cases{background: #FE8924;padding: 1.5rem 0;}
.project_cases .title{text-align: center;}
.project_cases .title h3{color: #A44100;background: #FFF8DB;font-size: 1.5rem;padding: 1rem 0;text-transform: uppercase;}
.project_cases .arraw{margin-top: 1rem;}
.project_cases .arraw img{margin: 0 auto;width: 3rem;}
.project_cases .case .big_img{width: 96%;margin: 0 auto;position: relative;margin-top: 0.5rem;}
.project_cases .case .big_img>:first-child{margin: 0 auto;width: 100%;}
.project_cases .case .special_img{width: 96%;margin: 0 auto;display: flex;flex-wrap: wrap;justify-content: space-between;margin-top: 0.5rem;}
.project_cases .case .special_img .big{width: 64%;position: relative;}
.project_cases .case .special_img .small{width:34%;position: relative;}

.project_cases .case .specials_img{width: 96%;margin: 0 auto;display: flex;flex-wrap: wrap;justify-content: space-between;margin-top: 0.5rem;}
.project_cases .case .specials_img .big{width: 54%;position: relative;}
.project_cases .case .specials_img .small{width:44.5%;position: relative;}
.project_cases .case .special_img .big>:first-child,
.project_cases .case .special_img .small>:first-child{margin: 0 auto;width: 100%;}
.project_cases .case .small_img{width: 96%;margin: 0 auto;display: flex;flex-wrap: wrap;justify-content: space-between;margin-top: 0.5rem;}
.project_cases .case .small_img .img{width: 49%;position: relative;}
.project_cases .case .small_img .img >:first-child{margin: 0 auto;width: 100%;}


.location{position: absolute;bottom: 0.5rem;right: 1rem;background: rgb(254,137,36,0.7);align-items: center;color: white;padding: 0.25rem 0.5rem;font-size: 1.15rem;}
.location img{margin-right: 0.5rem;width: 1rem;}


/* Company profile */
.company_root{background: url(../img/company_background.png) no-repeat;background-size: cover;}
.company_root .company_profile{padding: 1.5rem 0;}
.company_root .company_profile .title{text-align: center;}
.company_root .company_profile .title h3{color: #fff;background: #FB782E;font-size: 1.5rem;padding: 1rem 0;text-transform: uppercase;}
.company_root .company_profile .company_item{width: 96%;margin: 0 auto;margin-top: 1rem;}
.company_root .company_profile .company_item .company_img{width: 100%;}
.company_root .company_profile .company_item .company_text{margin-top: 1rem;font-size: 1.2rem;text-align: justify;line-height: 1.5rem;}
.company_root .company_profile .company_item .company_list{margin-top: 1rem;}
.company_root .company_profile .company_item .company_list h3{color: #FB782E;margin-bottom: 1rem;font-size: 1.25rem;}
.company_root .company_profile .company_item .company_list .text p{font-size: 1.2rem;margin-bottom: 0.5rem;line-height: 1.5rem;}
.company_root .company_profile .company_item .company_list .text p i{display: inline-block;width: 0.75rem;height: 0.75rem;border-radius: 50%;background: #FB782E;margin-right: 0.5rem;}
.company_root .company_profile .company_item .company_pic{width: 100%;display: flex;flex-wrap: wrap;justify-content: space-between;margin-top: 1rem;}
.company_root .company_profile .company_item .company_pic .pic{width: 49%;}
.company_root .company_profile .company_item .company_pic .pic .img img{margin: 0 auto;max-width: 100%;}
.company_root .company_profile .company_item .company_pic .pic span{width: 100%;text-align: center;margin-top: 0.5rem;font-size: 1.2rem;}
.company_root .company_profile .company_item .company_services{margin-top: 1rem;}
.company_root .company_profile .company_item .company_services h3{font-size: 2rem;color: #FB782E;margin-bottom: 1rem;}
.company_root .company_profile .company_item .company_services .services{display: flex;flex-wrap: wrap;justify-content: space-between;align-items: center;width: 96%;margin: 0 auto;background: #FB7B32;border-radius: 1rem;padding: 1rem 0.5rem;box-shadow: 0 0px 10px 10px rgba(248,172,111);}
.company_root .company_profile .company_item .company_services .services .line{width: 0.1rem;height: 7rem;background: #c14d0c;}
.company_root .company_profile .company_item .company_services .services .item{width: 24%;}
.company_root .company_profile .company_item .company_services .services .item .img img{margin: 0 auto;}
.company_root .company_profile .company_item .company_services .services .item span{font-size: .85rem;width: 100%;text-align: center;height: 2rem;display: flex;align-items: center;justify-content: center;margin-top: 0.25rem;color: white;}
.company_root .company_profile .company_item .certificates .apc_title{width: 40%;margin: 0 auto;margin-bottom: 1.25rem;margin-top: 1.5rem;}
.company_root .company_profile .company_item .certificates .apc_title h3{text-align: center;font-size: 1.5rem;padding-bottom: 0.5rem;text-transform: uppercase;color: #FB782E;font-weight: bold;}
.company_root .company_profile .company_item .certificates .apc_title .hr{width: 100%;height: 0.1rem;background: #FB782E;margin: 0 auto;}
.company_root .company_profile .company_item .certificates .img img{margin: 0 auto;}

/* Our Services */
.our_services{background: #FFF8DB;padding: 1.5rem 0;}
.our_services .title{text-align: center;background: #FB782E;padding: 1.5rem 0;}
.our_services .title h3{font-size: 1.5rem;color: white;text-transform: uppercase;}
.our_services .arraw{margin-top: 1rem;}
.our_services .arraw img{margin: 0 auto;width: 3rem;}
.our_services .service_item{width: 96%;margin: 0 auto;margin-top: 1rem;}
.our_services .service_item .item{display: flex;background: white;height: 10rem;box-shadow: 0 2px 4px 0px rgba(0, 0, 0, .6);border: 0.01rem solid #333;}
.our_services .service_item .item img{width: 50%;}
.our_services .service_item .item + .item{margin-top: 1rem;}
.our_services .service_item .item .text{width: 50%;display: flex;flex-wrap: wrap;align-items: center;padding: 0 0.25rem;}
.our_services .service_item .item .text h3{font-size: 1.25rem;position: relative;}
.our_services .service_item .item .text h3:after{content: "";position: absolute;bottom: -0.5rem;left: 0;width: 40%;height: 0.25rem;background: linear-gradient(to right, #FE9B28, #F5C61B);}
.our_services .service_item .item .text .txt p{font-size: 1rem;margin-bottom: 0.5rem;display: flex;}
.our_services .service_item .item .text .txt p span{color: #FB782E;}

/* 特效文字 */
.texiaowenzi{background:url(../img/services.png) no-repeat;background-size: 100% 100%;padding:2rem 1rem;box-sizing:border-box;width: 96%;margin:0 auto;margin-top: 1.5rem;border-radius: 1rem;}
#wrap{box-sizing:border-box;padding:1rem;border-radius:.5rem;}
#wrap>p{text-align:center;color:#fff;font-size:2rem;width:100%;margin:0 auto;line-height:1.5;text-shadow:0 3px 1px #bfbfbf}
.jumpnum{color:#fff}
.jumpnum .jumbo{font-size:3rem;font-family:fantasy}
.jumpnum .number{text-shadow:0 3px 1px #bfbfbf}
.jumpnum .wan{font-size:2rem;font-weight:bold}
.jumpnum li{width:33.33%;text-align:center;position:relative;margin-top:1rem}
.jumpnum li .jia{position:absolute;top:0;font-weight:bold;font-size:2rem}
.jumpnum li .h{font-size:2rem;font-weight:bold}

.dibu{padding:3.7rem 0;background:url(../img/doing_factory.png);background-size:cover}
.dibu>img{width:5rem;margin:0 auto}
.dibu h1{text-align:center;color:#333;font-size:1.5rem;line-height:1.5;margin:.4rem 0;padding:0 !important;background:none !important}
.dibu h1::after{content:'';width:8em;display:block;margin:.5rem auto;border-bottom:2px solid #333}
.dibu h2{text-align:center;color:#333;font-size:1.3rem;line-height:1.5;margin:.4rem 0;font-weight:500}
.dibu ul img{width:1.75rem;height:1.75rem}
.dibu ul{width:28rem;margin:2rem  auto 0 auto;height:10rem;padding:1rem 1.5rem 1rem 1.5rem;border:1px solid 1px solid rgb(129 190 175);background:rgb(51 51 51 / 70%);box-sizing:border-box}
.dibu ul li{display:flex;justify-content:space-between;width:100%;padding:1rem 0}
.dibu ul h4{font-size:1.3rem;line-height:1.5;color:#fff}
.dibu ul  a{font-size:1.3rem;line-height:1.5;color:#fff;font-weight:bold}

.btn-wrap{height:1rem}
.btn-box{padding:0 4%;bottom:0;width:100%;justify-content:space-between;background-color:#FF8100;}
.btn{width:49%;height:1.8rem;line-height:1.8rem}
.btn a{color:#fff;display:block;text-align:center;font-size: 1.2rem;}
.btn:first-child{border-right:1px solid #fff}
.btn-box{position:fixed;max-width:750px;box-sizing:border-box;z-index:999999}



.gotop{width:12vw;height:12vw;line-height:12vw;border-radius:50%;background-color:rgba(0,0,0,0.5);display:none}
.gotop{position:fixed;z-index:99;top:75%;right:10px;text-align:center}
.gotop img{width:50%;display:inline-block;vertical-align:middle}