body{
    overflow-x: hidden;
}
.product_banner{
    height: 298px;
    width: 100%;
}
.product_banner img.phone_bg {
    width:100%;
    display:none;
}
.bread_nav{
    margin-top: 20px;
    padding-left: 0;
    padding-bottom: 20px;
}
.bread_nav p{
    font-size: 12px;
    color: #666666;
}
.bread_nav p a{
    color: #666666;
}
.bread_nav p span.last{
    cursor:default;
    color: #d9231e;
}
.bread_nav p span a:hover{
    color: #d9231e;
}
/* 内容区 */
.title h2{
    font-size: 30px;
    color: #333;
    font-weight: bold;
    text-align: center;
}
.title p{
    text-align: center;
}
.title p::before{
    content: "";
    width: 100px;
    height: 1px;
    display: inline-block;
    background: #aaaaaa;
    vertical-align: middle;
}
.title p::after{
    content: "";
    width: 100px;
    height: 1px;
    display: inline-block;
    background: #aaaaaa;
    vertical-align: middle;
}
.title h2 span{
    font-size: 48px;
    color: #d9231e;
    padding: 0 12px;
}
.tit_txt p{
    font-size: 14px;
    color: #333;
    margin-top: 20px;
    text-align:center;
}
.main  .contentOne{
    text-align: center;
    margin-top: 60px;
    padding-bottom: 50px;
}


.main{
    position: relative;
}
.main ul{
    margin: 0;
    padding: 0;
}
.main .three_nav{
    position: absolute;
    width: 220px;
    left: 0;
    top: 0;
}
.main .three_nav li{
    padding: 10px 0;
    padding-left: 30px;
    background: #e8e8e8;
    margin-bottom: 1px;
    position: relative;
}
.main .three_nav li a{
    font-size: 14px;
    color: #333;
    font-weight: bold;
    -webkit-transition: all 0.35s;
    -o-transition: all 0.35s;
    -moz-transition: all 0.35s;
    transition: all 0.35s;
}
.main .three_nav li a:hover{
    color: #d9231e;
}
.main .three_nav li.active a{
    color: #d9231e;
}
.main .three_nav li.four_nav{
    background: #eeeeee;
    width: 100%;
    padding: 0;
    padding-left: 40px;
    overflow: hidden;
    height: 0;
    margin-bottom: 0;
}
.main .three_nav li.four_nav span{
    display: block;
    padding: 5px 0;
}
.main .three_nav li.four_nav span a{
    font-weight: normal;
}
.main .three_nav li .four_nav_btn{
    background: #d9231e;
    position: absolute;
    width: 40px;
    height: 40px;
    -moz-border-radius: 5px;
         border-radius: 5px;
    right: 0;
    top: 0;
    cursor: pointer;
}
.main .three_nav li .four_nav_btn span{
    width: 25px;
    height: 2px;
    display: block;
    background: #fff;
    margin: 20px auto 0;
    
}
.main .three_nav li .four_nav_btn span::before{
    content: "";
    width: 25px;
    height: 2px;
    display: block;
    background: #fff;
    position: relative;
    top: -8px;
}
.main .three_nav li .four_nav_btn span::after{
    content: "";
    width: 25px;
    height: 2px;
    display: block;
    background: #fff;
    position: relative;
    bottom: -7px;
}








.fire{
    background: #f3f3f3;
}
.fire .tit_txt{
    
}
.fire .contentTwo {
    text-align: center;
    margin-top: 58px;
}

.fire .title h2{
    margin-top: 50px;
}

.data .contentThree{
    text-align: center;
    margin-top: 40px;
    padding-bottom: 50px;
}

.data .title h2{
    margin-top: 50px;
}

.control{
    background: #f3f3f3;
}
.control .title h2{
    margin-top: 50px;
}
.control .contentFour{
    margin: 0 auto;
    margin-top: 50px;
    padding-bottom: 60px;
}
.control ul{
    margin: 0;
    padding: 0;
}
.control li{
    margin-right: 4%;
}
.control li:nth-child(5){
    margin-right: 0;
}
.control .img_bg{
    width: 65px;
    height: 65px;
    -moz-border-radius: 100%;
         border-radius: 100%;
    border: 1px solid #e6e6e6;
    margin: 0 auto;
}
.control .img_bg1{
    background: url(../images/control1.png) no-repeat center;
}
.control .img_bg2{
    background: url(../images/control2.png) no-repeat center;
}
.control .img_bg3{
    background: url(../images/control3.png) no-repeat center;
}
.control .img_bg4{
    background: url(../images/control4.png) no-repeat center;
}
.control .img_bg5{
    background: url(../images/control5.png) no-repeat center;
}

.control .all_text h3{
    font-size: 20px;
    color: #333;
    text-align: center;
    font-weight: bold;
}
.control .all_text p{
    font-size: 13px;
    color: #666666;
    text-align: center;
    /* text-align: justify; */
}
footer{
    margin-top: 0;
}
/*新修改得 宽度*/
.pading > p{
    max-width:1170px;
    padding:0 15px;
    margin:0 auto;

}

@media (min-width:1024px) and (max-width:1200px){
    .pading > p {
        max-width:970px;
    }
    .main  .contentOne{
        margin-top: 30px;
    }
    .fire .contentTwo{
        margin-top: 30px;        
    }
    .data .contentThree{
        margin-top: 30px; 
    }
    .control .contentFour{
        margin-top: 30px; 
    }
}
@media (min-width:992px) and (max-width:1023.5px){
    .main  .contentOne img{
        width: 100%;
    }
    .data .contentThree img{
        width: 100%;
    }
    .fire .contentTwo img{
        width: 100%;
    }

    .main  .contentOne{
        margin-top: 30px;
    }
    .fire .contentTwo{
        margin-top: 30px;        
    }
    .data .contentThree{
        margin-top: 30px; 
    }
    .control .contentFour{
        margin-top: 30px; 
    }
    .bread_nav{
        padding: 5px 10px;
    }
    .main .three_nav{
        left: 10px;
    }
    .fire{
        padding: 0 10px;
    }

}
@media (min-width:768px) and (max-width:991.5px){
    
    .pading > p {
        max-width:750px;
    }
    .main  .contentOne img{
        width: 100%;
    }
    .data .contentThree img{
        width: 100%;
    }
    .fire .contentTwo img{
        width: 100%;
    }
    .main  .contentOne{
        margin-top: 30px;
    }
    .fire .contentTwo{
        margin-top: 15px;        
    }
    .data .contentThree{
        margin-top: 15px; 
        padding-bottom: 15px;
    }
    .control .contentFour{
        margin-top: 30px; 
    }
    .bread_nav{
        padding: 5px 10px;
    }
    .main .three_nav{
        left: 10px;
        display: none;
    }
    .fire{
        padding: 0 10px;
    }

    .title h2{
        font-size: 28px;
        margin-top: 0;
    }
    .title h2 span{
        font-size: 40px;
    }
    .fire .title h2{
        margin-top: 30px;
    }
    .data .title h2{
        margin-top: 30px;
    }
    .control .title h2{
        margin-top: 30px;        
    }
}
@media (min-width:600px) and (max-width:767.5px){
    .product_banner{
        height: auto;
        backgroung:none !important;
    }
    .product_banner img.phone_bg {
        display:block;
    }
    .pading > p {
             padding:0;
        }
    .main  .contentOne img{
        width: 100%;
    }
    .data .contentThree img{
        width: 100%;
    }
    .fire .contentTwo img{
        width: 100%;
    }
    .main  .contentOne{
        margin-top: 30px;
    }
    .fire .contentTwo{
        margin-top: 15px;     
    }
    .data .contentThree{
        margin-top: 15px; 
        padding-bottom: 15px;
    }
    .control .contentFour{
        margin-top: 30px; 
        padding-bottom: 30px;
    }
    .bread_nav{
        padding: 5px 15px;
    }
    .main .three_nav{
        left: 10px;
        display: none;
    }
    .fire{
        padding: 0 10px;
    }

    .title h2{
        font-size: 28px;
        margin-top: 0;
    }
    .title h2 span{
        font-size: 40px;
    }
    .fire .title h2{
        margin-top: 30px;
    }
    .data .title h2{
        margin-top: 30px;
    }
    .control .title h2{
        margin-top: 30px;        
    }
}
@media (min-width:320px) and (max-width:599.5px){
    .product_banner{
        height: auto;
        backgroung:none !important;
	margin-top:80px;
    }
    .product_banner img.phone_bg {
        display:block;
    }
    .pading {
        padding:0;
    }
        .pading > p {
             padding:0 15px;
        }
    .main  .contentOne img{
        width: 100%;
    }
    .data .contentThree img{
        width: 100%;
    }
    .fire .contentTwo img{
        width: 100%;
    }
    .main  .contentOne{
        margin-top: 30px;
    }
    .fire .contentTwo{
        margin-top: 15px;        
    }
    .data .contentThree{
        margin-top: 15px; 
        padding-bottom: 15px;
    }
    .control .contentFour{
        margin-top: 30px; 
        padding-bottom: 30px;
    }
    .bread_nav{
        padding: 5px 15px;
    }
    .main .three_nav{
        left: 10px;
        display: none;
    }
    .fire{
        padding: 0 10px;
    }

    .title h2{
        font-size: 20px;
        margin-top: 0;
    }
    .title h2 span{
        font-size: 30px;
    }
    .fire .title h2{
        margin-top: 30px;
    }
    .data .title h2{
        margin-top: 30px;
    }
    .control .title h2{
        margin-top: 30px;        
    }
    .tit_txt p{
        font-size: 12px;
    }
    .control .all_text h3{
        font-size: 16px;
    }
    .control .all_text p{
        font-size: 12px;
    }
}