@media(min-width:1025px){.index-main{top: 73px;}}
.advantage-container .advantage-item{transition:height 0.3s ease-in-out}
.advantage-container .advantage-item-content{overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}
.advantage-container .expanded{-webkit-line-clamp:unset}
.advantage-container .expanded-content{height:auto !important}
.advantage-container .read-more{color:blue;cursor:pointer;display:block;text-align:right;padding-right:10px}
.adv-video{margin:3% 0;}
.adv-video lite-youtube{max-width:1000px;}
.home-banner .swiper-slide>a::after{display:none;}

.home-adv{position: relative;padding: 3% 0px;}
.home-adv::before {content: "";position: absolute;left: 0px;top: 0px;width: 100%;height: 450px;background: #131313;}
.home-adv .title-wrap{position: relative;}
.home-adv .des {text-align: center;color: var(--color);}
.home-adv .home-title {color: #fff;}
.home-adv .homeadv-list {margin-top: 2%;display: flex;justify-content: space-between;flex-wrap: wrap;}
.home-adv .homeadv-list li {width: 23%;background: #fff;text-align: center;padding: 30px 20px;border-radius: 4px;box-shadow: 0px 2px 12px 0 rgba(191, 191, 191, .25);position: relative;overflow: hidden;z-index: 1;cursor: pointer;}
.home-adv .homeadv-list li::after {z-index: -1;content: "";position: absolute;left: 0px;top: 0px;width: 100%;height: 100%;background: var(--color);opacity: 0.6;transition: all .2s linear;transform: scale(0);}
.home-adv .homeadv-list li .top .title {font-size: var(--fontsize20);font-weight: var(--fontbold5);padding: 10px 0px 20px;}
.home-adv .homeadv-list li .top .num {font-size: 50px;color: #fff;text-shadow: 0 0 1px #333;font-weight: var(--fontbold5);transition: all .2s linear;}
.home-adv .homeadv-list li .opacity {position: absolute;left: 0px;width: 100%;top: 50%;transform: translateY(-50%);padding: 0px 20px;opacity: 0;visibility: hidden;}
.home-adv .homeadv-list li .opacity .title {font-size: var(--fontsize18);font-weight: var(--fontbold5);}
.home-adv .homeadv-list li .opacity .text {padding: 10px 0px 30px;}
.home-adv .homeadv-list li .opacity .more {display: inline-block;color: #fff;}
.home-adv .homeadv-list li:hover {color: #fff;}
.home-adv .homeadv-list li:hover .top {display: none;}
.home-adv .homeadv-list li:hover .opacity {opacity: 1;visibility: inherit;}
.home-adv .homeadv-list li:hover::after {transform: scale(1);}
@media (max-width: 1024px) {
.home-adv .homeadv-list li {padding: 20px 10px;}
}
@media (max-width: 768px) {
.home-adv::before {height: 80%;}
.home-adv{padding: 30px 0;}
.home-adv .homeadv-list li {width: 48%;margin-bottom: 20px;}
}
@media (max-width: 500px) {
.home-adv .homeadv-list li {width: 100%;height: 230px;}
}