html,body{
    width: 100%;
    max-width: 1920px;
    margin: auto;
}

.container{
    width: 100%;
    max-width: 1200px;
    margin: auto;
}

header{
    background: url("../images/top-bg.jpg") no-repeat center top;
    height: 100px;
    border-bottom: 5px solid #fff;
    line-height: 100px;
}

header .container{
    height: 100%;
}

.flex{
    display: flex;
}

.nav{
    flex: 1;
    display: flex;
}

.nav .login{
    background: url("../images/user-ico.png") no-repeat left center;
    padding-left: 25px;
}

.nav  a{
    color: rgba(255,255,255,0.8);
    flex: 1;
    text-align: center;
}

.nav a.on{
    font-weight: bold;
    color: #fff;
    position: relative;
}

.nav a.on::after{
    content: ' ';
    left: 50%;
    transform: translate(-50%, -50%);
    height: 3px;
    width: 35px;
    background: #fff;
    bottom: 30px;
    border-radius: 3px;
    position: absolute;
}

.logo{
    margin-right: 50px;
}

.nav  a span{
    border: 1px solid rgba(255,255,255,0.8);
    border-radius: 15px;
    padding: 2px 5px;
    font-size: 12px;
}

.banner .swiper-pagination-bullet,.swiper-container-video .swiper-pagination-bullet{
    background: none;
    border: 1px solid #999;
    opacity: 1;
}

.banner .swiper-pagination-bullet-active,.swiper-container-video .swiper-pagination-bullet-active{
    background: #fff;
    border-color: #fff;
}

.index-1{
    background: #f7f8f8;
    padding: 50px 0;
}

.index-1-left{
    width: 380px;
    margin-right: 20px;
}

.index-title{
    color: #4d4d4d;
    font-size: 24px;
    align-items: center;
    margin-bottom: 20px;
}

.index-title img{
    margin-left: 10px;
}

.index-1-content-img img{
    width: 100%;
    display: block;
}

.index-1-content{
    padding: 20px;
    background: #fff;
    border-radius: 10px;
}

.index-1-content-text{
    margin-top: 18px;
    color: #808080;
    line-height: 28px;
}

.index-1-content-text p.more-p{
    text-align: right;
}

.index-1-content-text .more{
    padding: 2px 10px;
    background: #fdd000;
    color: #3256ed;
    font-size: 12px;
    border-radius: 10px;
}

.index-1-right-content{
    max-width: 800px;
    border-radius: 15px;
    overflow: hidden;
}

.swiper-container-video .swiper-slide img{
    width: 100%;
    display: block;
}

.swiper-container-video .swiper-slide{
    position: relative;
}

.swiper-container-video .swiper-slide .play-img{
    width: 225px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.index-2{
    position: relative;
}

.index-2 img{
    width: 100%;
    display: block;
}

.index-2 .index-2-info{
    position: absolute;
    bottom: 150px;
    left: 198px;
}

.index-2-info a{
    width: 100px;
    height: 100px;
    display: block;
}

.index-3{
    background: #f7f8f8;
    padding-bottom: 100px;
}

.index-3-title{
    height: 195px;
    background: #fdd000 url(../images/index-3-title-bg.png) no-repeat right center;
    border-top-left-radius: 15px;
    border-top-right-radius: 15px;
    margin-top: -60px;
    position: relative;
    z-index: 10;
    border-bottom: 3px solid #3256ed;
}

.index-3-title-tab{
    top: 100px;
    left: 60px;
    position: absolute;
    font-size: 36px;
}

.index-3-title-tab a{
    color: rgba(255,255,255,0.8);
    border-bottom: 3px solid #fdd000;
    padding-bottom: 10px;
    margin-right: 48px;
}

.index-3-title-tab a.on{
    color: rgba(255,255,255, 1);
    border-bottom-color: #fff;
}

.index-3-tab-content-item-img img{
    width: 310px;
    height: 200px;
    border-radius: 15px;
    background: #808080;
    margin-right: 20px;
}

.index-3-tab-content-item-img img:last-child{
    margin-right: 0;
}

.index-3-tab-content-item-img{
    margin-bottom: 35px;
}

.index-3-tab-content-text{
    color: #808080;
    line-height: 26px;
}

.index-3-tab-content-text img{
    max-width: 100%;
}

.index-3-tab-content-text p{
    text-align: right;
    margin-top: 20px;
}

.index-3-tab-content-text p a{
    color: #3256ed;
    border: 1px solid #3256ed;
    border-radius: 15px;
    padding: 5px 20px;
}

.index-3-tab-content-item{
    padding: 60px 66px;
    background: #fff;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
    display: none;
}

.index-3-tab-content-item.on{
    display: block;
}

.index-3 .container{
    max-width: 1100px;
}

.index-4{
    padding: 70px 0;
    background: url("../images/case-bg.jpg") no-repeat left center;
}

.index-4-title{
    line-height: 50px;
    font-size: 24px;
    color: #fdd000;
    margin-bottom: 10px;
}

.index-4-content-1{
    padding: 30px 40px;
    background: rgba(255,255,255,0.8);
    flex: 1;
    border-radius: 15px;
}

.index-4-title-c{
    font-size: 21px;
    position: relative;
    z-index: 10;
    color: #808080;
}

.index-4-title-c::after{
    content: ' ';
    position: absolute;
    top: 16px;
    border-top: 1px solid #9b9ead;
    left: 0;
    width: 100%;
}

.index-4-title-c span{
    position: relative;
    z-index: 10;
    background: #dae0fb;
    padding-right: 15px;
}

.index-4-content-2{
    width: 310px;
    margin-left: 17px;
    background: rgba(255,255,255,0.8);
    border-radius: 15px;
    padding: 30px 40px;
}

.index-4-content-1-list{
    flex-wrap: wrap;
    margin-top: 20px;
}

.index-4-content-1-item{
    width: 166px;
    margin: 0 15px 15px 0
}

.index-4-content-1-item:nth-of-type(4n){
    margin-right: 0;
}

.index-4-content-1-item img{
    display: block;
    width: 100%;
}

.case-item{
    position: relative;
    margin-top: 15px;
    overflow: hidden;
    border-radius: 15px;
}

.case-item span{
    position: absolute;
    bottom: 0;
    height: 40px;
    line-height: 40px;
    overflow: hidden;
    color: #fff;
    text-overflow: ellipsis;
    width: 90%;
    left: 5%;
    white-space: nowrap;
}

.index-4-content-2-swiper{
    margin-top: 5px;
    position: relative;
}

.swiper-pagination-case{
    bottom: -36px;
    right: 0;
}

.swiper-pagination-case .swiper-pagination-bullet{
    background: none;
    border: 1px solid #abadb7;
    opacity: 1;
    margin-left: 5px;
}

.swiper-pagination-case .swiper-pagination-bullet-active{
    width: 50px;
    border-radius: 5px;
}

.index-5{
    padding: 65px 0;
    background: #f7f8f8;
}

.index-5-list-item-info{
    padding: 30px 40px;
    background: #fff;
}

.index-5-list-item-info p{
    color: #4d4d4d;
    height: 115px;
    border-bottom: 2px solid #feb931;
}

.index-5-list-item{
    max-width: 390px;
    margin-right: 15px;
}

.index-5-list-item:nth-of-type(3n){
    margin-right: 0;
}

.index-5-list-item img{
    width: 100%;
    display: block;
}

.index-5-list-item-info-date{
    line-height: 40px;
    justify-content: space-between;
    align-items: center;
}

.index-5-list{
    margin-bottom: 44px;
}

.index-5-2{
    display: flex;

}

.index-5-2-thumb{
    width: 205px;
}

.index-5-2-thumb img{
    display: block;
    width: 100%;
    border: 2px solid #f7f8f8;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 15px;
}

.index-5-2-thumb img:nth-of-type(4n){
    margin-bottom: 0;
}

.index-5-2-thumb img.on{
    border-color: #fbd68d;
}

.index-5-2-big{
    flex: 1;
    margin: 0 15px;
    border-radius: 15px;
    overflow: hidden;
}

.index-5-2-big p{
    background: #fdd000;
    padding: 24px 30px;
    line-height: 24px;
}

.index-6{
    padding: 60px 0;
}

.index-6 .container{
    justify-content: space-between;
}

.index-6-item{
    width: 48%;
}

.index-6-item-tel{
    font-size: 48px;
    color: #4d4d4d;
    margin-bottom: 15px;
}

.index-6-item-tel span{
    font-size: 14px;
    margin-left: -10px;
    vertical-align: middle;
}

.index-6-item-time{
    margin-top: 30px;
    border-top: 1px solid #cdcdcd;
    padding-top: 30px;
    color: #4d4d4d;
    font-size: 16px;
}

.index-6-2 input{
    display: block;
    width: 96%;
    padding: 20px 2%;
    border: 1px solid #d5d5d5;
    color: #c3c3c3;
    font-size: 18px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.index-6-2 input::-webkit-input-placeholder{
    color: #c3c3c3;
    font-size: 18px;
}

.index-6-2 input[type='submit']{
    background: #3256ed;
    color: #fff;
    width: 100%;
    cursor: pointer;
}

footer{
    background: #4d4d4d;
    padding: 70px 0;
}

footer .container{
    justify-content: space-between;
}

.footer-1{
    width: 40%;
}

.footer-1-company{
    font-size: 24px;
    color: #fff;
}

.footer-1-address{
    font-size: 16px;
    margin: 15px 0;
    color: rgba(255,255,255,0.8);
    border-bottom: 1px solid #626262;
    padding-bottom: 15px;
}

.footer-1-list{
    flex-wrap: wrap;
}

.footer-1-list a{
    color: rgba(255,255,255,0.8);
    margin-bottom: 30px;
    margin-right: 74px;
    font-size: 16px;
}

.footer-1-list a:nth-of-type(4n){
    margin-right: 0;
}

.footer-2-qr img{
    width: 182px;
    height: 182px;
    border-radius: 15px;
    background: #fff;
    overflow: hidden;
}

.footer-2-qr p{
    text-align: center;
    color: rgba(255,255,255,0.8);
    margin-top: 15px;
}

.footer-3 textarea{
    display: block;
    background: #666666;
    border-radius: 15px;
    overflow: hidden;
    width: 365px;
    padding: 15px;
    border: none;
    height: 150px;
    margin-bottom: 18px;
    resize: none;
}

.footer-3 textarea::-webkit-input-placeholder{
    color: rgba(255,255,255,0.7);
}

.footer-3 input{
    display: block;
    background: #666666;
    border-radius: 15px;
    height: 70px;
    border: none;
    width: 100%;
    color: #fff;
    font-size: 16px;
}

.copyright{
    background: #666666;
    line-height: 56px;
}

.copyright .container{
    color: #fff;
    justify-content: space-between;
}

.copyright-1 a{
    color: rgba(255, 255, 255, 0.7);
}