*{
    padding: 0;
    margin: 0;
    list-style: none;
}

.box{
    width: 100%;

}
.nav{
    width:100%;
    background-color:#D1000F;
    min-width: 1200px;
}

.wrap{
    width:1200px;
    margin: 0 auto;
    position: relative;
}

.nav .l-content{
    width:1200px;
    height: 90px;
    position: relative;
    margin: 0 auto;
}

.nav .l-content .img{
    position: absolute;
    top: 25px;
}

.nav .l-content ul li{
    float: right;
    color: #FFFFFF;
    font-size: 16px;
    line-height: 90px;
    cursor:pointer 
}

.nav .l-content ul li a{
    color: #FFFFFF;
    text-decoration: none;
 }
 
.nav .l-content ul li:hover {
    opacity: 0.8;
}

.nav .l-content ul .txt{
    margin-left: 45px;
    position: relative;
}

.nav .l-content ul .txt::after{
    content: '';
    display: block;
    width: 2px;
    height: 18px;
    background-color: #FFFFFF;
    position: absolute;
    top: 38px;
    left: -25px;
}
/* 头部结束 */

/* 中间 */
.cont{
    position: relative;
    height: 3435px;
    min-width: 1200px;
    overflow: hidden;
}

.cont .bg_bg{
    width: 100%;
    position: absolute;
    top: 0;
}

.cont .tu{
    width: 100%;
    text-align: center;
}

.cont .tu .pm{
    margin: 60px auto auto auto;
}

.cont .boxx{
    width: 100%;
    height: auto;
}

/* 瀑布流布局 */
#con_1 {
    display: flex;
    flex-wrap: wrap;
    padding: 15px 5px;
}

#con_1 .product_list {
    flex-grow: 1;
    margin: 5px;
    position: relative;
    overflow: hidden;
}

.product_list img {
    height: 184px;
    background-size: cover;
    background-position: center;
    min-width: 100%;
}

.product_list img:hover{
    transform:scale(1.1)
    }
    .product_list img{
        -webkit-transition: all 1s ease-out;
        -moz-transition: all 1s ease-out;
        -ms-transition: all 1s ease-out;
        transition: all 1s ease-out;
    }

/* 全屏遮罩层 */
.masklayer{
    width: 100%;
    height: 100%;
    min-width: 1200px;
    position: fixed; 
    top: 0;
    left: 0;
    background-color:rgba(0, 0, 0, .9);
    z-index: 99;
    display: none;
}

.masklayer .box{
    width: 1000px;
    height: 1000px;
    margin: 320px auto;
    position: relative;
    overflow: hidden;
} 

 .masklayer .box #img{
    width: 66000px;
    align-items: center;
position: absolute;
} 

 .masklayer .box #img div{
    width: 1000px;
    height:1000px;
    float: left;
    text-align: center;
} 

 .masklayer .box #img div img{
    width: auto;
    height: auto;
    transform: scale(1.1);
    -ms-transform: scale(1.1);
    -moz-transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -o-transform: scale(1.1);
} 

.bit{
    position: absolute;
    top: 0;
    left: 50%;
    transform: translate(-50%);
}

#btn1 {
    position: absolute;
    top: 365px;
    left: 80px;
    z-index: 99;
    width: 40px;
    cursor:pointer;
    -webkit-transition: all 0.5s ease-out;
    -moz-transition: all 0.5s ease-out;
    -ms-transition: all 0.5s ease-out;
    transition: all 0.5s ease-out;
}
#btn1:hover{
    opacity: 0.8;
    -webkit-transform: scale(1.1) ;
    -moz-transform: scale(1.1);
    -ms-transform:scale(1.1);
    transform: scale(1.1);
}
#btn2 {
    position: absolute;
    top: 365px;
    right: 80px;
    z-index: 99;
    width: 40px;
    width: 40px;
    cursor:pointer;
    -webkit-transition: all 0.5s ease-out;
    -moz-transition: all 0.5s ease-out;
    -ms-transition: all 0.5s ease-out;
    transition: all 0.5s ease-out;
}

#btn2:hover{
    opacity: 0.8;
    -webkit-transform: scale(1.1);
    -moz-transform: scale(1.1);
    -ms-transform:scale(1.1);
    transform: scale(1.1);
}

#btn3 {
    position: absolute;
    top: 70px;
    left: 1130px;
    z-index: 99;
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    cursor:pointer;
}

#btn3:hover {
        transform: rotate(180deg);
}

/* 导航箭头 */
.sc{
    position: fixed;
    right: 15px;
    top: 35%;
    display: none;
}

.sc .box{
    height: 40px;
    width: 40px;
    /* border: 1px solid #fff; */
    background-color: rgba(181, 181, 182, .6);
    border-radius: 100%;
    display: flex;  
    justify-content: center;
    align-items: center;
    margin: 10px;
    -webkit-transition: background-color .2s ease-in-out;
    -moz-transition: background-color .2s ease-in-out;
    -ms-transition: background-color .2s ease-in-out;
    -o-transition: background-color .2s ease-in-out;
    transition: background-color .2s ease-in-out;
}

.sc .box .sc_top{
    width: 29px;
    height: 16px;
    display: block;
    background-image: url(../images/graphic/top.svg);
}

.sc .box .sc_bottom{
    width: 29px;
    height: 16px;
    display: block;
    background-image: url(../images/graphic/bottom.svg);
}

.sc .box:hover{
  background-color: #e6003e;
}

/* 中间结束 */

/* 底部 */
.bottom{
    position: relative;
    height: 240px;    
}
.bottom .bot {
    position: absolute;
    top: 0;
    width: 100%;
    height: 240px;
    min-width: 1200px;
}
.bottom .boxx{
    overflow: hidden;
}
.bottom .boxx ul{
    margin-top: 30px;
}
.bottom .boxx ul li{
    width: 225px;
    height: 190px;
    float: left;
    position: relative;
    color: #FFFFFF;
    font-size: 14px;
    margin-left: 10px;
}
.bottom .boxx ul li p a{
    color: #FFFFFF;
    text-decoration: none;
}
.bottom .boxx ul .test{
    width: 415px
}
.bottom .boxx ul li::before{
    content: '';
    display: block;
    width: 1px;
    height: 260px;
    background-color: #FFFFFF;
    position: absolute;
    top: 1px;
    left: -10px;
}
.bottom .boxx ul li p{
   line-height: 25px;
   cursor:pointer
}
.bottom .boxx ul li p:hover{
    opacity: 0.8;
}
.bottom .boxx ul li .dist{
   margin-top: 15px;
}
.bottom .boxx ul li .sign_01{
    text-indent: 40px;
}