.content{ max-width: 1500px; margin: 0 auto; overflow: hidden;}
.about-tit{text-align: center;}
.about-tit h2{color: #c84d22;margin-bottom: 15px;margin-top: 50px;font-weight: bold;}
.about-tit p{color: #c03321;margin-bottom: 30px;font-size: 18px;}
.about-intro{background: #7b231c;padding: 30px 60px;}
.about-intro p{color: #fff;line-height:2;font-size: 20px;margin-bottom: 30px;}
.about-intro .btn-danger{background: #c64321;border: #c64321;font-size: 18px;float: right;}
.about-product ul{display: flex;justify-content: space-between;flex-wrap: wrap;}
.about-product li{width: 22%;margin-bottom: 3%;position: relative;margin-right: 5px;}
.about-product li div{width: 100%;position: relative;border-radius: 35px;overflow: hidden;z-index: 99;}
.about-product li:after{width: 100%;height: 100%;position: absolute;bottom: -5px;content: "";border-radius: 35px;left: 5px;z-index: 1;background: #c64321;}
.about-product li .picture img{width:100%;vertical-align: bottom;}
.about-product li h3{background: rgba(0,0,0,0.5);position: absolute;bottom: 0;width: 100%;text-align: center;padding: 10px 0;}
.about-product li h3 a{font-size:16px;color:#fff;font-weight: normal;}
.about-product li:hover h3 a{color:#fec77a;}
.about-line{ clear: both; overflow: hidden; }
.about-line h2{ color: #c54422; font-size: 30px; font-weight: bold; text-align: center; margin: 40px 0;}
.about-line h2:before,.about-line h2:after{content:'';display:inline-block;vertical-align:middle;width:60px;height:4px;margin-top:-6px}
.about-line h2:before{background:#e5650a;margin-right:20px}
.about-line h2:after{background:#e5650a;margin-left:20px}
.about-rotation{background:url(/zty/134guangjiaohui/images/a3.jpg)no-repeat;color: #fff;}
.about-rotation h2{ color: #fff; font-size: 30px; font-weight: bold; text-align: center; }
.about-rotation h2:before,.about-rotation h2:after{content:'';display:inline-block;vertical-align:middle;width:60px;height:4px;margin-top:-6px}
.about-rotation h2:before{background:#fff;margin-right:20px}
.about-rotation h2:after{background:#fff;margin-left:20px}
.about-rotation .swiper-container {width: 100%;height: auto;margin-left: auto;margin-right: auto;}
.about-rotation .swiper-slide {text-align: center;height: auto;display: -webkit-box;display: -ms-flexbox;display: -webkit-flex;display: flex;-webkit-box-pack: center;-ms-flex-pack: center;
    -webkit-justify-content: center;justify-content: center;-webkit-box-align: center;-ms-flex-align: center;-webkit-align-items: center;align-items: center;transition-property:all;}
.about-rotation .swiper-slide{filter: brightness(0.3);transition: all 0.5s ease-in;border-radius: 10px;}
.about-rotation .swiper-slide img{}
.about-rotation .swiper-slide-prev {filter:none!important;}
.about-rotation .swiper-slide-active {filter: none!important;}
.about-rotation .swiper-slide-next {filter: none!important;}
.about-rotation .swiper-button-prev{left: 13%;width: 40px;height: 40px;background: black;border-radius: 50%;}
.about-rotation .swiper-button-next{right: 13%;width: 40px;height: 40px;background: #b61007;border-radius: 50%;}
.about-rotation .swiper-button-prev:after{color: #fff;font-size: x-large;}
.about-rotation .swiper-button-next:after{color: #fff;font-size: x-large;}

.contact-from .container{background:url(/zty/134guangjiaohui/images/a6.jpg)no-repeat;background-size: cover;padding: 4rem 0;}
.contact-from .form-box{color: #fff;}
.contact-from h2{text-align: center;border-bottom: 1px solid #fff;width: 50%;padding-bottom: 0.5rem;margin:0 auto 1rem;position: relative;}
.contact-from h2:after{content: "";position: absolute;bottom: -2px;left: 50%;transform: translateX(-50%);width: 15%;height: 3px;background: #ca0915; }

.contact-from .form-box p{line-height: 1.8;margin-bottom: 1.5rem;font-size: 16px;text-align: center}
.contact-from .form-box .form-group{width: 98%;margin:0 auto 1.5rem;}
.contact-from .form-box .form-control{border-radius:0.4rem 0 0.4rem 0.4rem;}
.contact-from .form-box .col-form-label{width: 28px;text-align: center;}
.contact-from .form-box .e-mail{padding-top: 10px;}
.contact-from .form-box textarea{resize: none;color: #495057e3;font-size: 1.25rem;}
.contact-from .form-box button{    padding: 0.5rem 3rem;background: #cd0000;border: none;}
.contact-from h1{font-size: 5rem;font-weight: bold;color: #fff;opacity: 0.2;}
.contact-from p img{width: 95%;}


@media screen and (max-width:960px){
    .about-product li{width: 48%;}
}
@media screen and (max-width:768px){

    .contact-from .form-box .col-form-label{display: none;}
}