.pdtb80{padding:80px 0;}
.topics-contain{max-width:1200px;margin:0 auto;}
.sonloopban-wd p{text-align: center;font-size:16px;line-height: 24px;}
.sonloopban-wd h1{font-size:34px;color:#fff;text-align: center;margin-top:15px;}
.fl{float:left;}
.fr{float:right;}

.w40{width:40%;}
.w45{width:45%;}
.w46{width:46%;}
.w47{width:47%;}
.w48{width:48%;}
.w50{width:50%;}

.img-Adaptive{max-width:100%;border-radius:15px;}
.bgcolor1{background:#f7f7f7;}

.pd100{padding:100px 0;}
.text-center{text-align: center;}
.mg-auto{margin:0 auto;}

.factory h2,.factory-dom h2,.hot-product h2,.product-specialty h2{font-size:32px;color:#1F5DCC;margin-bottom:20px;font-weight:bold;line-height:32px;}
.factory p,.factory-dom p{font-size:14px;color:#666;line-height: 28px;margin-bottom:20px;}
.factory p img{max-width: 100%;}
.getQuote{width:240px;height:50px;border-radius:5px;text-align: center;line-height:50px;background:#1F5DCC;margin-top:20px;display: block;color:#fff;font-weight:bold;}

.best-led-facotry ul{margin-top:50px;}
.best-led-facotry ul li{width:23%;float:left;text-align: center;margin-right:2.6666%;text-align: center;margin-bottom:40px;}
.best-led-facotry ul li:nth-child(4n){margin-right:0;}
.best-led-facotry ul li h4{font-size:18px;margin-top:20px;color:#666;line-height: 26px;height:52px;}

.hot-product ul{margin-top:50px;}
.hot-product ul li{width:23%;float:left;text-align: center;margin-right:2.6666%;margin-bottom:40px;}
.hot-product ul li:nth-child(4n){margin-right:0;}
.hot-product ul li h4{font-size:18px;margin-top:20px;color:#666;line-height:25px;height:50px;overflow: hidden;}
.hot-product ul li:hover h4{color:#1F5DCC;}
.hot-product ul li img{box-shadow: 0 0 8px #eee;}

.why-chooes-zbl h2{font-size:32px;margin-bottom:50px;font-weight:bold;}
.why-chooes-zbl ul li{border-bottom:1px solid #eee;margin-bottom:30px;padding-bottom:30px;color:#666;}
.why-chooes-zbl ul li h4{font-size:18px;color:#333;margin-bottom:20px;}
.why-chooes-zbl ul li p{line-height: 26px;}

/* 产品特点 */
.product-specialty ul{margin-top:50px;}
.product-specialty ul li{width:31%;float:left;margin-right:3.5%;margin-bottom:40px;background:#f7f7f7;padding:40px;border-radius:10px;}
.product-specialty ul li:nth-child(3n){margin-right:0;}
.product-specialty ul li h4{font-size:24px;margin-bottom:30px;color:#333;line-height:24px;}
.product-specialty ul li:hover{background: linear-gradient(to right, #1F5DCC, #16305b);color:#fff;}
.product-specialty ul li:hover h4{color:#fff;}
.product-specialty ul li .note{line-height:25px;min-height:115px;}
.sonloopban-wd{width:800px;}


@media all and (max-width:1279px) {
    /* 1152 × (864) */
    .pdtb80{padding:30px 0;}
    .pd100{padding:30px 0;}
    .topics-contain{padding:0 4%;}
    .w45{width:100%;}
    .w48{width:100%;margin-top:20px;}
    img{max-width: 100%;}
    .factory p{line-height:30px;}
    .sonloopban-wd{width:90%;}
    .sonloopban-wd h1{font-size:24px;line-height: 28px;margin-top: 10px;}
    .sonimgban-caseimg{min-height:260px;}
    .best-led-facotry ul li h4{font-size:14px;line-height:24px;}
    .best-led-facotry ul li{width:50%;padding:0 5px;margin-bottom:15px;margin-right:0;}
    .hot-product ul{margin-top:20px;}
    .hot-product ul li{width:48%;margin-bottom:20px;margin-right:0;}
    .hot-product ul li:nth-child(2n){float:right;}
    .why-chooes-zbl h2{font-size:24px;margin-bottom:30px;}
    .hot-product ul li h4{font-size:14px;line-height: 22px;height:44px;margin-top:10px;}
    .factory h2, .factory-dom h2, .hot-product h2{font-size:22px;line-height:24px;}
    .product-specialty ul li{width:100%;padding:20px;margin-bottom:20px;}
    .product-specialty ul{margin-top:20px;}
    .product-specialty ul li .note{min-height: auto;}
    .why-chooes-zbl ul li{margin-bottom:20px;padding-bottom:20px;}
    .why-chooes-zbl ul li:last-child{margin-bottom:0px;padding-bottom:0px;border-bottom:0px;}
}