*{
    margin: 0;
    padding: 0;
    list-style: none;
    font-family: '微软雅黑';
}
body{
    min-width: 1280px;
}
button,.input-but,.tel-but,.but{
    cursor:pointer;
    cursor: hand;
}
/* 头部begin */
.sf-iso{
    width: 60%;
    height: 85px;
    margin: 0 auto 0 auto;
    overflow: hidden;
}
.sf-iso img{
    width: 20%;
    min-width: 200px;
    float: left;
    margin-top: 2%;
    display:table-cell;
    vertical-align:middle;
}
.sf-iso-title{
    max-height: 85px;
    float: right;
}
.sf-iso-title .nav{
    float: left;
    line-height: 75px;
}
.sf-iso-title .nav a{
    float: left;
    height: 100%;
    padding-top: 1%;
    margin-right: 30px;
    text-decoration: none;
    color: #666;
}
.sf-iso-title .nav a:hover{
    text-decoration: none;
    color: #008fff;
    border-bottom: 4px solid #008fff;
}
.sf-iso-title .nav .hover{
    text-decoration: none;
    color: #008fff;
    border-bottom: 4px solid #008fff;
}
.sf-iso-title .nav-tel{
    white-space:nowrap;
    float: left;
    margin-top: 20px;
}
.sf-iso-title .nav-tel p{
    font-size: 16px;
}
.sf-iso-title .nav-tel span{
    font-size: 17px;
    color: red;
}
/* 头部end */


.banner{
    width: 100%;
	background-image: url(../images/background-second.png);
	/*background-image: url(../images/bg_banner.jpg);*/
    background-size: cover;
    text-align: center;
}
.banner-box{
    margin-top: -3px;
    padding-bottom: 3%;
}
.banner-box h1{
    padding-top: 3%;
    color: white;
}










.banner .big{
    width: 50%;
    padding: 1%;
    margin: 3% auto;
    background-color: rgba(0,0,0,0.5);
}
.big .small{
    padding-top: 8%;
    padding-bottom: 3%;
    border: 2px solid #575fd1;
    filter:alpha(opacity=100);
    overflow: hidden;
    text-align: center;
}
.small h3{
    color:#01c772;
    margin-top: -6%;
    opacity: 1;
    margin-bottom: 2%;
}
.small-box{
    margin: auto 5%;
    overflow: hidden;
}
.input-txt{
    font-size: 22px;
    width: 75%;
    padding: 2%;
    padding-right: 0;
    border: 0px;
    outline: none;
    float: left;
}
.input-but{
    font-size: 22px;
    float: right;
    padding: 2% 0;
    background: #01c772;
    width: 22%;
    background-image: url(../images/search.png);
    background-position: 8% center;
    background-repeat: no-repeat;
    background-size: auto 40%;
}
.input-but a{
    text-decoration: none;
    color: white;
}
.input-but span{
    margin-bottom: 25%;
}
.small p{
    margin-top: 3%;
    color: white;
}

/* 底部下载链接 */
.download{
    width: 100%;
    height: 35px;
    padding: 10px 0px; 
    background-color: rgba(0,0,0,0.7);
    position: fixed;
    bottom: 0;
    z-index: 99999999;
    overflow: hidden;
    min-width: 767px;
}
.down-box{
    width: 60%;
    margin: auto;
    overflow: hidden;
}
/* left */
.down-left{
    width: 25%;
    float: left;
    color: white;
    overflow: hidden;
    white-space : normal nowrap 
}
.down-left img{
    float: left;
}
.down-left div{
    float: left;
    background-image: url(../images/phone.png);
    background-position: left center;
    background-repeat: no-repeat;
    background-size: cover 100%;
    padding-left: 60px;
}
.down-left p{
    font-size: 13px;
}
.down-left span{
    font-size: 21px;
}
/* center */
.down-center{
    width: 35%;
    float: left;
    white-space : normal nowrap;
    padding-left: 5%;
}

.down-center a{
    color: #008fff;
    float: left;
    display: block;
    padding: 3%;
    background-image: url(../images/down.png);
    background-position: left center;
    background-repeat: no-repeat;
    background-size: auto 20px;
    padding-left: 60px;
}
/* right */
.down-right{
    width: 35%;
    float: right;
    margin-top: 0.5%;
    white-space : normal nowrap 
}
.txt-img{
    width: 50%;
    padding: 2%;
    padding-left: 8%;
    border: 0px;
    outline: none;
    background-image: url(../images/icon_phone.png);
    background-position: 3% center;
    background-repeat: no-repeat;
    background-size: contain 50%;
}
.tel-but{
    width: 32%;
    padding: 2%;
    border: 0px;
    outline: none;
    text-decoration: none;
    background: #008fff;
    color: white;
}
/* banner   end */

/* 热门业务类型 */
.iso-benefit{
    width: 100%;
    margin: auto;
    text-align: center;
    background-color: #e8efff;
}
.iso-benefit h1{
    width: 20%;
    background-image: url(../images/title.png);
    background-position: center center;
    background-repeat: no-repeat;
    background-size: contain;
    margin: 0 auto;
    padding-top: 4%;
    padding-bottom: 4%;
}
.benefit-big{
    width: 60%;
    margin: auto;
}
.benefit-small{
    width: 25%;
    float: left;
    position: relative;
    margin: 2% auto;
}
.benefit-small img{
    width: 80%;
}
.small-title{
    text-align: center;
    width: 80%;
    height: 65%;
    font-size: 15px;
    position: absolute;
    background-color: rgba(0,0,0,0.0);
    left: 10%;
    padding-top: 20%;
    top: 0;
    color: black;
}
/* button模块 */
.small-hover{
    width: 80%;
    font-size: 15px;
    position: absolute;
    top: 0;
    left: 10%;
    display: none;
    background-image: url(../images/ben.jpg);
    background-position: top center;
    background-repeat: no-repeat;
    background-size: 100% auto;
    margin: auto;
    overflow: hidden;
    padding-top: 13.75%;
    padding-bottom: 13.75%;
    text-align: center;
}
.small-hover a{
    display: block;
    width: 70%;
    padding: 3%;
    border-radius: 20px;
    border: none;
    outline: none;
    margin: 8% auto;
    background-color: white;
    text-decoration: none;
    color: black;
}
/* 查看更多 */
.benefit-more{
    display: inline-block;
    outline: none;
    color: white;
    font-size: 20px;
    text-decoration: none;
    width: 15%;
    margin-top: 5%;
    margin-bottom: 5%;
    padding: 1%;
    border-radius: 30px;
    border: 0px;
    box-shadow: 0 0 5px 5px rgba(0, 0,0,0.1);
    background-image: url(../images/input.png); 
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}
/* 热门业务end */
/* ISO认证的好处 */
.good,.why-sf{
    width: 60%;
    margin: auto;
    text-align: center;
}
.good h1,.why-sf h1{
    margin: 5% auto;
}
.good img,.why-sf img{
    width: 100%;
    margin-top: 2%;
    margin-bottom: 7%;
}

















/* 流程 */
.process-box{
    width: 100%;
    background-color: #e8efff;
    min-width: 767px;
    text-align: center;
}
.process{
    width: 60%;
    margin: auto;
    overflow: hidden;
}
.pro-lc{
    width: 14%;
    float: left;
}
.pro-lc img{
    width: 100%;
}
.lc-center{
    width: 7%;
    float: left;
}
.lc-center img{
    width: 100%;
    margin-top: 100%;
}
.pro-angle{
    width: 100%;
    margin: auto;
    display: none;
}
.triangle {
    width: 0;
    height: 0;
    border-bottom: 18px solid #FF8F00;
    border-left: 12px solid transparent;
    border-right: 12px solid transparent;
    margin: auto;
} 

.pro-hover-box img{
    width: 100%;
    float: left;
}
.img-box{
    width: 100%;
    overflow: hidden;
    display: none;
}
.img-box img{
    margin-bottom: 5%;
}
/* .img-box-button{
    float: right;
    width: 10%;
    border-radius: 20px;
    outline: none;
    padding: 0.5%;
    color: white;
    margin: -10% 13% 0 10%;
    border: 1px solid white;
    background-color: #667ef8;
    text-decoration: none;
}
.img-box-button:hover{
    background-color: white; 
    color:  #667ef8;
} */
.img-box-button{
    float: right;
    width: 10%;
    border-radius: 20px;
    outline: none;
    padding: 0.5%;
    margin: -10% 13% 0 10%;
    border: 1px solid white;
    text-decoration: none;
    background-color: white; 
    color:  #667ef8;
}
.img-box-button:hover{
    background-color: white; 
    color:  #667ef8;
}
.process-a{
    display: block;
    text-decoration: none;
    outline: none;
    width: 20%;
    padding: 1.5%;
    color: white;
    border-radius: 15px;
    margin: 5% auto;
    border: 1px solid white;
    background-color: #667ef8;
}
.process-box h1{
    padding-top: 5%;
}
.process-box p{
    padding-bottom: 5%;
}
























/* .process-box{
    width: 100%;
    background-color: #e8efff;
    overflow: hidden;
}
.process{
    width: 60%;
    margin: 0 auto;
}
.process h1{
    margin-top: 5%;
}
.process p{
    font-size: 16px;
    margin-bottom: 6%;
} */
/* .box-xuhao{
    width: 80%;
} */
/* .pro-tit{
    float: left;
    width: 14%;
    text-align: center;
}
.pro-back{
    background-image: url(../images/lc-back1.png);
    background-position: top center;
    background-repeat: no-repeat;
    background-size: 100% auto;
}
.pro-back-hover{
    color: white;
    background-image: url(../images/lc-back.png);
    background-position: top center;
    background-repeat: no-repeat;
    background-size: 100% auto;
}
.active{
    display: block;
}
.div-hover:hover{
    color: white;
    background-image: url(../images/lc-back.png);
    background-position: top center;
    background-repeat: no-repeat;
    background-size: 100% auto;
}
.pro-tit p{
    font-size: 20px;
    padding: 40% 20%;
} */
/* 三角形 */
/* .pro-angle{
    width: 100%;
    margin: auto;
    display: none;
}
.triangle {
    width: 0;
    height: 0;
    border-bottom: 20px solid #6679f6;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    margin: auto;
}   */
/* 圆圈之间的横线 */
/* .break{
    width: 7%;
    border: 1px solid #6679f6;
    float: left;
    margin-top: 7%;
} */
/* 方块中的内容 */
/* .pro-hover-box{
    width: 60%;
    margin: auto;
    display: none;
}
.tit-details{
    float: left;
    width: 100%;
    background: #667ef8;
    overflow: hidden;
     display: none; 
    margin-bottom: 8%;
}
.det-small{
    width: 58.333%;
    margin: 5%;
    float: left;
    border: white dashed 2px;
} */
/* 标题 */
/* .tit-small{
    width: 32%;
    margin: auto;
}
.tit-small h2{
    background: #667ef8;
    color: white;
    top: -19px;
    z-index: 555;
    position: relative;
} */
/* 虚线框里 */
/* .content{
    float: left;
    text-align: center;
    width: 27%;
    margin: 6% 3%;
}
.content span{
    color: white;
}
.content img{
    margin-bottom: 1%;
} */
/* 流程右边 */
/* .det-right{
    float: left;
    width: 25%;
    height: 100px;
    text-align: left;
}
.det-right h2{
    margin-top: 15%;
    margin-left: 10%;
    margin-bottom: 8%;
    color: white;
}
.det-right ul li{
    margin: 4% 10%;
    color: white;
}
.det-right input{
    outline: none;
    width: 45%;
    padding: 1.5%;
    color: white;
    border-radius: 15px;
    margin: 2% 10%;
    border: 1px solid white;
    background-color: #667ef8;
} */
/* 脚部 */
.footer{
    width: 100%;
    height: 508px;
    background: #FBFBFB;
}
.footer-box{
    width: 60%;
    margin: 0 auto 0 auto;
    overflow: hidden;
    padding-bottom: 5%;
}
/* 左边 */
.question{
    float: left;
    width: 45%;
    padding-left: 5%;
    text-align: left;
}
.question h1,.about h1{
    margin-top: 13%;
    margin-bottom: 6%;
    color: #000;
}
.que-txt{
    width: 80%;
    padding: 2.5%;
    margin-bottom: 2%;
    font-size: 18px;
    background-color: #5c5c5c;
    border: 0px;
    outline: none;
    color: #000;
}
.que-wb{
    width: 80%;
    padding: 2.5%;
    margin-bottom: 2%;
    font-size: 18px;
    resize:none;
    background-color: #5c5c5c;
    border: 0px;
    outline: none;
    color: #000;
}
/* 右边 */
.about{
    float: right;
    width: 45%;
    padding-left: 5%;
    text-align: left;
}
.about li{
    margin: 1% auto;
    color: #000;
}
.about li a{
    color: #688ffa;
    text-decoration: none;
}
.que-sub{
    display: inline-block;
    color: #000;
    font-size: 20px;
    text-decoration: none;
    width: 30%;
    padding: 2.5%;
    margin-top: 1%;
    margin-bottom: 5%;
    border: 0px;
    outline: none;
    background-image: url(../images/input.png); 
    background-position: center center;
    background-repeat: no-repeat;
    background-size: cover;
}









/*   ================
     media
     ================ */
    @media only screen and (min-width: 0px) and (max-width: 767px){
        .sf-iso,.banner .big,.down-box,.benefit-big,.good,.why-sf,.process,.box-xuhao,.footer-box{
            width: 85%;
        }
        .det-right input{
            width: 60%;
        }
        .banner-box h1,.iso-benefit h1,.good h1,.why-sf h1,.question h1,.about h1{
            font-size: 25px;
        }
        .tit-small h2,.det-right h2{
            font-size: 15px;
        }
        .tit-small h2{
            top: -13px;
        }
        .down-left p,.txt-img,.tel-but,.content span,.det-right ul li,.about ul li{
            font-size: 8px;
        }
        .down-left{
            width: 27%;
        }
        .down-left span{
            font-size: 20px;
        }
        .down-center{
            padding-left: 2%;
        }
        .down-center a{
            font-size: 8px;
            padding-top: 6%;
            background-size: auto 25px;
            padding-left: 27px;
        }
        .down-left div{
            background-size: auto 25px;
            padding-left: 27px;
        }
        .txt-img{
            padding-left: 10%;
        }
        .tel-but{
            width: 35%;
        }
        .small-title{
            font-size: 12px;
        }
        .small-hover{
            padding-top: 5%;
        }
        .img-box-button{
            font-size: 10px;
            width: 15%;
            margin: -10% 10% 0 10%;
        }
        .process-box h1{
            font-size: 25px;
        }
        .process-box p{
            font-size: 8px;
        }
        .sf-iso img{
            margin-top: 5%;
        }
        .footer-box{
            padding-bottom: 8%;
        }
        .input-txt{
            font-size: 18px;
            padding: 1%;
        }
        .input-but{
            font-size: 18px;
            padding: 1% 0;
        }

    } 
    
    
    @media only screen and (min-width: 768px) and (max-width: 900px){
        .sf-iso,.banner .big,.benefit-big,.good,.why-sf,.process,.box-xuhao,.footer-box{
            width: 80%;
        }
        .down-box{
            width: 90%;
        }
        .det-right input{
            width: 60%;
        }
        .banner-box h1,.iso-benefit h1,.good h1,.why-sf h1,.question h1,.about h1{
            font-size: 25px;
        }
        .tit-small h2,.det-right h2{
            font-size: 15px;
        }
        .tit-small h2{
            top: -13px;
        }
        .down-left p,.txt-img,.tel-but,.content span,.det-right ul li,.about ul li{
            font-size: 8px;
        }
        .down-left{
            width: 29%;
        }
        .down-left span{
            font-size: 20px;
        }
        .down-center{
            padding-left: 1%;
        }
        .down-center a{
            font-size: 8px;
            padding-top: 6%;
            background-size: auto 25px;
            padding-left: 27px;
        }
        .down-left div{
            background-size: auto 25px;
            padding-left: 27px;
        }
        .txt-img{
            padding-left: 10%;
        }
        .tel-but{
            width: 35%;
        }
        .small-title{
            font-size: 12px;
        }
        .small-hover{
            padding-top: 5%;
        }
        .img-box-button{
            font-size: 11px;
            width: 15%;
            margin: -10% 10% 0 10%;
        }
        .process-box h1{
            font-size: 25px;
        }
        .process-box p{
            font-size: 8px;
        }
        .sf-iso img{
            margin-top: 5%;
        }
        .footer-box{
            padding-bottom: 7%;
        }
        .input-txt{
            font-size: 18px;
            padding: 1%;
        }
        .input-but{
            font-size: 18px;
            padding: 1% 0;
        }
    } 
    
    @media only screen and (min-width: 901px) and (max-width: 1024px){ 
        .sf-iso,.banner .big,.down-box,.benefit-big,.good,.why-sf,.process,.box-xuhao,.footer-box{
            width: 75%;
        }
        .det-right input{
            width: 60%;
        }
        .banner-box h1,.iso-benefit h1,.good h1,.why-sf h1,.question h1,.about h1{
            font-size: 28px;
        }
        .tit-small h2,.det-right h2{
            font-size: 15px;
        }
        .tit-small h2{
            top: -13px;
        }
        .down-left p,.txt-img,.tel-but,.content span,.det-right ul li,.about ul li{
            font-size: 11px;
        }
        .down-left{
            width: 27%;
        }
        .down-left span{
            font-size: 18px;
        }
        .down-center{
            padding-left: 2%;
        }
        .down-center a{
            font-size: 11px;
            padding-top: 6%;
            background-size: auto 25px;
            padding-left: 27px;
        }
        .down-left div{
            background-size: auto 25px;
            padding-left: 27px;
        }
        .txt-img{
            padding-left: 10%;
        }
        .tel-but{
            width: 35%;
        }
        .small-title{
            font-size: 13px;
        }
        .small-hover{
            padding-top: 5%;
        }
        .img-box-button{
            font-size: 12px;
            width: 15%;
            margin: -10% 10% 0 10%;
        }
        .process-box h1{
            font-size: 28px;
        }
        .process-box p{
            font-size: 11px;
        }
        .sf-iso img{
            margin-top: 5%;
        }
        .footer-box{
            padding-bottom: 7%;
        }
        .input-txt{
            font-size: 20px;
            padding: 1%;
        }
        .input-but{
            font-size: 20px;
            padding: 1% 0;
        }
    }
    
    
    @media only screen and (min-width: 1025px) and (max-width: 1200px){
        .sf-iso,.banner .big,.down-box,.benefit-big,.good,.why-sf,.process,.box-xuhao,.footer-box{
            width: 75%;
        }
        .det-right input{
            width: 60%;
        }
        .banner-box h1,.iso-benefit h1,.good h1,.why-sf h1,.question h1,.about h1{
            font-size: 28px;
        }
        .tit-small h2,.det-right h2{
            font-size: 15px;
        }
        .tit-small h2{
            top: -13px;
        }
        .pro-tit p,.down-left p,.txt-img,.tel-but,.content span,.det-right ul li,.about ul li{
            font-size: 11px;
        }
        .down-left{
            width: 27%;
        }
        .down-left span{
            font-size: 18px;
        }
        .down-center{
            padding-left: 2%;
        }
        .down-center a{
            font-size: 11px;
            padding-top: 5%;
            background-size: auto 25px;
            padding-left: 27px;
        }
        .down-left div{
            background-size: auto 25px;
            padding-left: 27px;
        }
        .txt-img{
            padding-left: 10%;
        }
        .tel-but{
            width: 35%;
        }
        .small-title{
            font-size: 13px;
        }
        .small-hover{
            padding-top: 5%;
        }
        .img-box-button{
            font-size: 13px;
            width: 15%;
            margin: -10% 10% 0 10%;
        }
        .process-box h1{
            font-size: 28px;
        }
        .process-box p{
            font-size: 11px;
        }
        .sf-iso img{
            margin-top: 4%;
        }
        .footer-box{
            padding-bottom: 6%;
        }
    } 
    @media only screen and (min-width: 1201px) and (max-width: 1400px){
        .sf-iso,.banner .big,.down-box,.benefit-big,.good,.why-sf,.process,.box-xuhao,.footer-box{
            width: 70%;
        }
        .det-right input{
            width: 60%;
        }
        .banner-box h1,.iso-benefit h1,.good h1,.why-sf h1,.question h1,.about h1{
            font-size: 31px;
        }
        .tit-small h2,.det-right h2{
            font-size: 18px;
        }
        .tit-small h2{
            top: -13px;
        }
        .down-left p,.txt-img,.tel-but,.content span,.det-right ul li,.about ul li{
            font-size: 14px;
        }
        .down-left{
            width: 27%;
        }
        .down-left span{
            font-size: 20px;
        }
        .down-center{
            padding-left: 2%;
        }
        .down-center a{
            font-size: 14px;
            padding-top: 5%;
            background-size: auto 28px;
            padding-left: 31px;
        }
        .down-left div{
            background-size: auto 28px;
            padding-left: 31px;
        }
        .txt-img{
            padding-left: 10%;
        }
        .tel-but{
            width: 35%;
        }
        .small-title{
            font-size: 16px;
        }
        .small-hover{
            padding-top: 10%;
        }
        .img-box-button{
            font-size: 14px;
            width: 15%;
            margin: -10% 10% 0 10%;
        }
        .process-box h1{
            font-size: 28px;
        }
        .process-box p{
            font-size: 11px;
        }
        .sf-iso img{
            margin-top: 3%;
        }
        .footer-box{
            padding-bottom: 6%;
        }
    } 
    @media only screen and (min-width: 1401px) and (max-width: 1600px){
        .sf-iso,.banner .big,.down-box,.benefit-big,.good,.why-sf,.process,.box-xuhao,.footer-box{
            width: 70%;
        }
        .det-right input{
            width: 60%;
        }
        .banner-box h1,.iso-benefit h1,.good h1,.why-sf h1,.question h1,.about h1{
            font-size: 31px;
        }
        .tit-small h2,.det-right h2{
            font-size: 18px;
        }
        .tit-small h2{
            top: -13px;
        }
        .pro-tit p,.down-left p,.txt-img,.tel-but,.content span,.det-right ul li,.about ul li{
            font-size: 16px;
        }
        .down-left{
            width: 25%;
        }
        .down-left span{
            font-size: 20px;
        }
        .down-center{
            padding-left: 2%;
        }
        .down-center a{
            font-size: 14px;
            padding-top: 5%;
            background-size: auto 33px;
            padding-left: 37px;
        }
        .down-left div{
            background-size: auto 33px;
            padding-left: 37px;
        }
        .txt-img{
            padding-left: 10%;
        }
        .tel-but{
            width: 35%;
        }
        .small-title{
            font-size: 16px;
        }
        .small-hover{
            padding-top: 10%;
        }
        .img-box-button{
            font-size: 15px;
            width: 15%;
            margin: -10% 10% 0 10%;
        }
        .process-box h1{
            font-size: 28px;
        }
        .process-box p{
            font-size: 11px;
        }
        .sf-iso img{
            margin-top: 3%;
        } 
    } 
    @media only screen and (min-width: 1601px){
        .sf-iso,.banner .big,.down-box,.benefit-big,.good,.why-sf,.process,.box-xuhao,.footer-box{
            width: 60%;
        }
        .det-right input{
            width: 60%;
        }
        .banner-box h1,.iso-benefit h1,.good h1,.why-sf h1,.question h1,.about h1{
            font-size: 31px;
        }
        .tit-small h2,.det-right h2{
            font-size: 18px;
        }
        .tit-small h2{
            top: -13px;
        }
        .txt-img,.tel-but{
            font-size: 16px;
        }
        .down-left{
            width: 25%;
        }
        .down-left span{
            font-size: 20px;
        }
        .down-center{
            padding-left: 5%;
        }
        .down-center a{
            font-size: 18px;
            background-size: auto 35px;
            padding-left: 40px;
        }
        .down-left div{
            background-size: auto 35px;
            padding-left: 40px;
        }
        .txt-img{
            padding-left: 10%;
        }
        .small-title{
            font-size: 16px;
        }
        .small-hover{
            padding-top: 10%;
        }
        .img-box-button{
            font-size: 16px;
            width: 15%;
            margin: -10% 10% 0 10%;
        }
        .process-box p{
            font-size: 11px;
        }
    }