html,body{
    padding: 0;
    margin: 0;
    height: 100%;
    color: #333;
}
h1,h2,h3,p{
    padding: 0;
    margin: 0;
}
ul,li{
    padding: 0;
    margin: 0;
    list-style: none;
}
#app{
    height: 100%;
    overflow-y: scroll;
}
.safe-box{
    max-width: 1200px;
    /* min-width: 700px; */
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    padding: 0 40px;
}
.container-header{
    background-color: rgba(255, 255, 255, 1);
    width: 100%;
    height: 70px;
    position: fixed;
    top: 0;
    z-index: 1000;
    box-shadow: 0px 3px 5px 2px rgba(0, 0, 0, 0.2);
}
.top-operate{
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.header-left{
    display: flex;
    align-items: center;
}
.header-enterprise{
    font-size: 18px;
    color: #333;
    margin-left: 14px;
    line-height: 40px;
    margin-left: 14px;
    font-weight: 400;
}
.header-right{
    display: flex;
}
.header-right-button{
    background-color: #fff;
    border: none;
    line-height: 25px;
    background-color: transparent;
    font-size: 15px;
    color: #333;
    padding: 0 12px;
}
.header-right-button-blue{
    background-color: #fff;
    border: none;
    line-height: 25px;
    background-color: transparent;
    font-size: 15px;
    color: #2F82FF;
    padding: 0 12px;
}
.banner-first{
    height: 700px;
    padding-top: 235px;
    box-sizing: border-box;
    background: #fff url(../img/banner-first.png) center no-repeat;
    background-size: auto 700px;
}
.banner-second{
    height: 700px;
    padding-top: 235px;
    box-sizing: border-box;
    background: #fff url(../img/banner-second.png) center no-repeat;
    background-size: auto 700px;
}
.banner-third{
    height: 700px;
    padding-top: 40px;
    box-sizing: border-box;
    background: #fff url(../img/banner-third.png) center no-repeat;
    background-size: auto 700px;
}
.banner-item{
    height: 700px;
}
.app-page{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 100px;
}
.item-title{
    line-height: 84px;
    font-size: 60px;
    color: #fff;
    font-weight: 400;
}
.item-dot-list{
    font-size: 20px;
    line-height: 28px;
    color: #fff;
    display: flex;
    align-items: center;
    font-weight: 400;
}
.yellow-dot{
    width: 10px;
    height: 10px;
    background-color: #FFC64A;
    border-radius: 50%;
    margin-right: 8px;
}
.link-button{
    width: 210px;
    height: 50px;
    border-radius: 50px;
    border: none;
    font-size: 20px;
    color: #2F82FF;
    font-weight: 400;
    transition: all ease 0.3s;
}
.link-button:hover{
    background-color: #dbdbdb;
}
.about{
    padding-top: 50px;
    padding-bottom: 70px;
}
.part-title{
    font-size: 22px;
    font-weight: 500;
}
.about-box{
    margin-top: 40px;
    display: flex;
    width: 100%;
    justify-content: space-between;
}
.about-img{
    width: 40%;
}
.about-img img{
    width: 100%;
}
.about-text{
    width: calc(60% - 40px);
    line-height: 24px;
}
.about-text p{
    margin-top: 15px;
}
.connect{
    width: 100%;
    /* height: 370px; */
    background-color: #f5f5f5;
    padding: 50px 0 80px;
}
.connect-box{
    display: flex;
    justify-content: space-between;
    height: calc(100% - 30px);
}
.connect-left{
    width: 40%;
    margin-top: 40px;
}
.left-row{
    display: flex;
    margin-top: 20px;
}
.connect-left h3{
    font-size: 16px;
    font-weight: 400;
}
.introduce{
    font-size: 18px;
    line-height: 25px;
}
.connect-left p{
    font-size: 16px;
    font-weight: 400;
    flex: 0 0 75px;
    text-align-last: justify;
    text-align: justify;   
}
.connect-right{
    width: calc(60% - 40px);
    height: 340px;
    border-radius: 4px;
    box-shadow: 0 2px 10px 0 rgba(14,33,39,.2);
}
.application{
    padding: 50px 0 80px;
}
.form-row{
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
}
.row-item{
    display: flex;
    /* height: 40px; */
    width: 30%;
    
}
.row-item-title{
    font-size: 14px;
    flex: 0 0 60px;
    line-height: 40px;
}
.footer{
    background-color: #000;
    /* height: 380px; */
    text-align: center;
    color: #fff;
    font-size: 14px;
    padding: 60px 0;
}
.footer-info{
    display: flex;
    color: #fff;
    width: 100%;
    justify-content: center;
    
}
.slice-line{
    margin: 0 20px;
}
.footer li{
    margin-top: 16px;
}
.submmit-cooperate{
    margin-top: 40px;
    padding-left: 60px;
}
.submmit-cooperate .el-button{
    width: 120px;
    height: 40px;
}
@media (max-width: 768px) {
    .about-box{
        display: block;
        margin-top: 20px;
    }
    .safe-box{
        padding: 0 15px;
    }
    .item-title{
        font-size: 40px;
    }
    .item-dot-list{
        font-size: 18px;
    }
    .header-enterprise{
        font-size: 16px;
        line-height: 20px;
    }
    .header-right-button{
        font-size: 14px;
        line-height: 16px;
        padding: 0 6px;
    }
    .header-right-button-blue{
        font-size: 14px;
        line-height: 16px;
        padding: 0 6px;
    }
    .about{
        padding: 30px 0 50px;
    }
    .about-text{
        width: 100%;
    }
    .about-text p{
        margin-top: 10px;
    }
    .app-page{
        padding: 0;
    }
    .app-page img{
        width: 47%;
    }
    .about-img{
        width: 100%;
    }
    .introduce{
        margin-top: 15px;
    }
    .connect{
        padding: 30px 0 50px;
    }
    .connect-box{
        display: block;
    }
    .connect-left{
        width: 100%;
        margin-top: 20px;
    }
    .left-row{
        margin-top: 15px;
    }
    .connect-right{
        width: 100%;
        margin-top: 20px;
    }
    .application{
        padding: 30px 0 50px;
    }
    .form-row{
        display: block;
        margin-top: 20px;
    }
    .row-item{
        width: 100%;
        margin-top: 12px;
    }
    .submmit-cooperate{
        margin-top: 20px;
    }
    .footer{
        padding: 40px 0;
    }
}