/* 公共 */
*{font-family: Arial, sans-serif;box-sizing: border-box;padding: 0; margin: 0;}
a{text-decoration: none;}
a:visited{color: #878787;}
body{font-family: Arial, sans-serif;box-sizing: border-box;padding: 0; margin: 0;overflow-x: hidden;}

/* 容器 */
.container{
    width: 100vw;
    min-width: 1000px;
    font-size: 14px;
    overflow-x: hidden;
}


/* header 头部 */
.header{
    min-width: 1000px;
    width: 100vw;
    height: 800px;
    background-color: #6066f4;
    color: #FFFFFF;
    padding: 2.5vw 8vw;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    position: relative;
    overflow: hidden;
}
/* 半圆 */
.header::before{
    content: "";
    position: absolute;
    bottom: -15vw;
    right: -10vw;
    width: 60vw;
    height: 60vw;
    border-radius: 30vw;
    background-color: #60a2f4;
    z-index: 0;
}
.header::after{
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 20;
    box-shadow: 0px -100px 100px 0px rgba(0, 0, 0, 0.5) inset;
}

/* 标题 */
.header .title{
    position: relative;
    z-index: 2;
    width: 12.5rem;
    display: flex;
    flex-direction: column;
    align-items:center;
}
.header .title h2{
    font-weight: 600;
    letter-spacing: .3125rem;
}
.header .title p{
    color: #fafaff;
    font-size: 14px;
    letter-spacing: .125rem;
}

/* 简介 */
.header .introduction{
    position: relative;
    z-index: 2;
    width: 90vw;
    height: 500px;
    display: flex;
    align-items:center;
    justify-content: space-around;
}
.header .introduction .left{
    width: 600px;
    height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: space-around;
}
.header .introduction .left h1{
    font-size: 40px;
    font-weight: 600;
    letter-spacing: .3125rem;
}
.header .introduction .left p{
    color: #fafaff;
    font-size: 14px;
}
.header .introduction .right{
    width: 400px;
    margin-top: 5vw;
}

/* main 主要内容 */
.main{
    width: 100vw;
    height: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    padding: 2.5rem 1.25rem;
}

.main .title{
    font-size: 30px;
    font-weight: 600;
}

.main .sms,.main .aim{
    display: flex;
    justify-content: space-around;
    width: 90vw;
    padding: 4vw;
}

.main .sms .left,
.main .aim .left,
.main .sms .right,
.main .aim .right{
    width: 40vw;
    height: 400px;
    margin: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
}

.main .sms .left div,.main .aim .right div{
    width: 16vw;
    text-align: center;
}

.main .title{
    font-size: 24px;
    font-weight: 600;
}
.main .desc{
    font-size: 10px;
    color:#878787;
}
.main .card{
    height: 4.0625rem;
    border: solid 1px #f9f9f9f9;
    border-radius: 5px;
    box-shadow: 10px 16px 10px 2px rgba(74, 73, 73, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}
.main .card span{
    margin: 0 8px;
}
.main .right-mv{
    position: relative;
    left: 50px;
}


/* footer 底部 */
.footer{
    width: 100vw;
    height: 200px;
    padding: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
}
.footer .name{
    color: #101010;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
}
.footer .addr{
    color: #aeaeae;
}
.footer .beian{
    color: #878787;
}

@media (max-width: 767px) {
    /* 手机屏幕 */
    .main .sms{
        display: flex;
        flex-direction: column;
        justify-content: space-around;
        align-items: center;
        padding: 35px;
    }
    .main .aim{
        display: flex;
        flex-direction: column-reverse;
        justify-content: space-around;
        align-items: center;
        padding: 35px;
    }
    .main .sms .left div,.main .aim .right div{
        width: 300px;
        text-align: center;
    }
}
/* @media (min-width: 768px) and (max-width: 991px) {

    .container {
        max-width: 768px;
    }
} */