* {
    margin: 0;
    padding:0;
    font-family: Microsoft YaHei-Regular, Microsoft YaHei;
    box-sizing: border-box;
}
.container{
    overflow: hidden;
    min-width: 1900px;
}


/* 头部 */
.index-head{
    background: rgb(0 0 0 / 70%);
    height: 165px;
    width: 100%;
    position: fixed;
    top: 0px;
    z-index: 10;
}
.head-box{
    width: 1180px;
    margin: 0 auto;
    height: 165px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.head-box div img{
    width: 250px;
    height: 48px;
}

.header-info{
    display: flex;
    color: #fff;
    font-size: 26px;
    align-items: center;
}
.header-info div{
    margin-right:34px ;
    cursor: pointer;
}
.header-info div a{
    text-decoration: none;
    color: #fff;
}
.header-info .header-l-img{
    width: 114px;
    height: 114px;
}
.header-info .active a{
    color: #FF2E2D;
}

/* 主题 */
.index-center-box{
    /* height:2000px; */
}
.center-img,.banner,.quality,.efficency,.contact {
    width: 1260px;
    margin: 77px auto;
}
/* 轮播文字 */
.banner{
    height: 66px;
}
.banner-text-item{
    float: left;
}
.banner-text-item{
    margin-left:156px;
}
.b-l{
    float: left;
}
.b-l img{
    margin-top:12px;
    margin-right:12px;
}
.b-r{
    float: right;
}
.b-r p{
    font-weight: bold;
    color: #333333;
    margin-bottom: 11px;
    font-size: 24px;
}
.b-r span{
    color: #333333;
    font-size: 18px;
}

/*主题商品*/
.quality{
    text-align: center;
}

.quality-box div{
    float: left;
    width: 610px;
    height: 427px;
    margin-right: 40px;
    margin-bottom: 40px;
}


.quality-box div:nth-child(2n){
    margin-right: 0px;
}

/*效率*/
.efficency{
    margin-top: 80px;
    text-align: center;
}

.efficency-box div{
    float: left;
    width: 630px;
    height: 400px;
    text-align: left;
}
.efficency-box-item {
    background: url(../img/eff-item-bg1.png);
}
.efficency-box .efficency-box-item2 {
    background: url(../img/eff-item-bg2.png);
    padding-right: 85px;
    text-align: right;
}
.efficency-box-item p{
    margin: 140px 10px 30px 85px;
    font-size: 66px;
    color: #FFFFFF;
}

.efficency-box-item span{
    margin-top: 10px;
    margin-left: 85px;
    display: block;
    color: #C1C1C1;
    font-size: 24px;
}

/* 关于我们 */
.us-title{
    position: absolute;
    width: 100%;
    top: 77px;
    text-align: center;
    
}
.us-title .base-p1,.us-title .base-p2{
    color: #fff;
}
/*APP 二维码*/
.code-box{
    width: 820px;
    margin: 80px auto;
    display: flex;
    justify-content: space-between;
}
.code-box p{
    font-size: 26px;
    color: #333333;
    text-align: center;
    margin-bottom: 16px;
}
.code-box img{
    width: 285px;
    height: 285px;
}


/** 联系我们*/
.contact{
    text-align: center;
}
.contact-title{
    background: #FF2E2D;
    width: 883px;
    height: 90px;
    line-height: 90px;
    border-radius: 10px 10px 0px 0px;
    font-size: 36px;
    color: #FFFFFF;
    text-align: center;
    margin: 0 auto;
}
.contact-box{
    width: 883px;
    height: 232px;
    background: #434945;
    border-radius: 0px 0px 10px 10px;
    display: flex;
    margin: 0 auto;
}

.contact-box img{
    margin: 40px 30px 0 50px;
    width: 128px;
    height: 128px;
}
.contact-b-r{
    margin-top:17px;
    font-size: 18px;
    text-align: left;
    color: #fff;
    margin-top: 56px;
}
.contact-b-r p{
    margin-bottom: 15px;
}

/* 底部 */
.index-footer{
    background:#1E1C1C;;
    height: 300px;
    color: #fff;
}

.footer-box{
    width: 1400px;
    min-width: 1400px;
    margin: 0 auto;
    padding-top: 20px;
}

.foot-info{
    display: flex;
    margin: 40px auto;
    width: 1000px;

}

.foot-info-item{
    border-right: 1px solid #666666;
    padding-top: 10px;
    flex: 1;
    font-size: 18px;
}
.foot-info-item2{
    text-align: center;
    border-right: 1px solid #1E1C1C;
}
.foot-info-item div{
    /* margin-bottom: 10px; */
}
.foot-info-item .m-b20{
    margin-bottom: 20px;
}
.foot-info-item .m-b50{
    margin-bottom: 50px;
}

.m-t88{
    margin-top: 88px;
}


/*公共css*/
.base-p1{
    font-size: 42px;
    font-weight: 400;
    color: #666666;
    margin-bottom: 16px;
} 
.base-p2{
    font-weight: 400;
    font-size: 66px;
    color: #333333;
    margin-bottom: 79px;
}

.t-l{
    text-align: left;
}
.t-r{
    text-align: right;
}
.clear{
    clear: both;
    content: '';
    overflow: hidden;
    position: relative;
}
.center-margin{
    margin-top: 66px ;
    margin-bottom: 166px ;
}
.center-margin2{
    margin-bottom: 106px ;
}
.max-img{
    position: relative;
}
.max-img img{
    /* width: 1920px; */
    width: 100%;
}