.box{margin: 0 auto;background-color: #fff;overflow-x: hidden;}
/*logo*/
.logo img {width: 35px;}
.logo span{margin-left: 10px;font-size: 18px;line-height: 35px;color: #333;}
/*导航栏*/
.navs {
  background: none !important;
  transition: background-color 0.3s ease;
}
.navs .nav-item{padding: 0 10px;}
.navbar-dark .navbar-nav .nav-link {color: #333;}
.navbar-dark .navbar-nav .nav-link:hover,.navbar-dark .navbar-nav .active>.nav-link{color:#7f7fff ;}

.navs.scrolled {
  background-color: rgba(0, 0, 0, 0.8) !important;  /* 变暗背景 */
}
.navs.scrolled .logo span{color: #fff;}
.navs.scrolled .navbar-nav .nav-link {color: #fff;}
.navs.scrolled .navbar-nav .nav-link:hover,.navs.scrolled  .navbar-nav .active>.nav-link{color:#7f7fff ;}
/*banner*/
.banner {padding: 200px 5% 100px;background: url(../img/bg.png) no-repeat center center; background-size: cover;}
.banner-cont{width: 50%;}
.banner h3{text-align: center;font-size: 24px;font-weight: bold;color: #7f7fff;font-style:italic}
.banner h3 span{display: block;margin-top:10px;font-size: 14px;font-weight: normal;letter-spacing:0;line-height: 25px;font-style:normal}
.banner img{max-height: 100%;margin: 20px auto;display: block;}
.downlist {margin-top: 150px;display: flex;justify-content: center;align-items: center;}
.downlist li{width: 30%;}
.downlist img{height: 30px;}
.downlist p{font-size: 16px;color: #7f7fff;text-align: center;}
/*亮点展示*/
.mainlist{padding: 0 5% ;}
.title{display:block;text-align: center;padding: 70px 0 50px;}
.title p{display: inline;font-size: 24px;font-weight: bold;color: #000;}
.title p span{position: relative;z-index: 10;}
.title p span::after{content: '';position: absolute;bottom: -2px;left: 0;width: 100%;height: 10px;background-image: linear-gradient(to right, #feac2b, #f4f607);z-index: -1;}
.listcont ul{margin-bottom:20px;display: flex;justify-content: space-around;flex-wrap: wrap;}
.listcont ul li{margin-bottom: 10px;padding: 3px;border-radius: 10px 0 10px 10px;background-image: linear-gradient(to right, #feac2b, #f4f607);overflow: hidden;}
.listcont ul li p {padding: 10px;background-color: #fff;border-radius: 10px 0 10px 10px;font-size: 16px;line-height: 30px;font-weight: bold;color: #222;}
/*图文介绍*/
.main-txt{padding: 0 10%;}
.maincont{display: flex;justify-content: center;align-items: center;}
.mainimg{width: 50%;text-align: center;}
.mainimg img{max-height: 400px;}
.main-txt .txtcont{width: 50%;padding: 0 5%;}
.txtcont h4{font-size: 18px;font-weight: bold;color: #ffae29;}
.txtcont p {margin: 20px 0;line-height: 30px;font-size: 16px;color: #A8A8A8;}
.txtcont p span{display: block;color: #000;font-weight: bold;}
/*底部*/
footer{display: flex;justify-content: space-around;align-items: center;margin-top: 100px;padding: 30px 5%;background-color: rgba(27, 26, 46, 1);}
.companylogo{display: flex;justify-content: center;align-items: center; flex-direction: column;}
.companylogo img{height: 45px;}
.companylogo p{margin-top: 10px;font-size: 16px;line-height: 30px;color: #fff;}

.companytxt a{color: #e1ffbf;margin-right: 20px;line-height: 30px;}
.companytxt a:first-child,.companytxt a:nth-child(2){color: #fff;}
.companytxt p{color: #fff;line-height: 30px;}

@media only screen and (max-width:800px ) {
	/*logo*/
	.logo span{display: none;}
	/*导航栏*/
	.navs{background: rgba(0, 0, 0, .3) !important;}
	.navs .nav-item{padding: 5px 0;}
	/*banner*/
	.banner{height: auto;padding: 100px 2% 20px;}
	.banner-cont{width: 100%;}
	.downlist {margin-top: 20px;}
	/*亮点展示*/
	.mainlist{padding: 0;}
	.title{padding: 70px 0 40px;}
	.title p{font-size: 20px}
	.listcont ul{margin-bottom:0;display: flex;justify-content: space-around;align-items: center;flex-wrap: wrap;}
	.listcont ul li{margin-bottom: 10px;padding: 2px;border-radius: 5px;}
	.listcont ul li p {padding: 2px 5px;border-radius: 5px}
	/*图文介绍*/
	.main-txt{padding: 0 2%;}
	.maincont{flex-wrap: wrap-reverse;}
	.maincont:nth-child(2){flex-wrap: wrap;}
	.mainimg{width: 100%;text-align: center;margin-bottom: 10px;}
	.mainimg img{max-height: 80vh;max-width: 50%;}
	.main-txt .txtcont{width: 100%;padding: 0 2%;}
	.txtcont h4{font-size: 18px;font-weight: bold;}
	.txtcont p {margin: 20px 0;line-height: 30px;font-size: 16px;color: #A8A8A8;}
	.txtcont p span{display: block;color: #000;font-weight: bold;}
	/*底部*/
	footer{flex-direction: column;margin-top: 30px;padding: 20px 2%;}
	.companylogo img{height: 40px;}
	.companylogo p{margin: 10px 0;font-size: 16px;line-height: 30px;color: #fff;}
	.companytxt a{color: #E1FFBF;margin-right: 10px;line-height: 30px;}
	.companytxt a:first-child,.companytxt a:last-child{display: block;}
	.companytxt p{color: #fff;line-height: 30px;}
}