.container {
    width: 1200px;
    margin: 0 auto;
}

/* headher */
.header {
    width: auto;
    background: #f5f5f5;
}

.header-container {
    display: flex;
    align-items: center;
    height: 80px;
}

.header-container img {
    height: 35px;
}

.header-container-items {
    display: flex;
}

.header-container-items a {
    margin-right: 96px;
    font-size: 16px;
    color: #9fa0a3;
}

.header-container-items a:hover{
    color: #9fa0a3;
}

.a-line {
    position: relative;
}

.a-line::after {
    content: "";
    display: block;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 27px;
    height: 3px;
    background-color: #467cfd;
}

/* footer */
.footer {
    width: auto;
    background: #f5f5f5;
}

.footer-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 80px;
    color: #666;
    font-size: 14px;
}

/* 中间 */
.main {
    height: calc(100vh - 160px);
    padding-top: 30px;
}

.main-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 590px;
    padding: 0 30px;
    border: 1px solid #000;
    border-radius: 12px;
}

/*媒体查询相关*/
@media screen and (max-width: 415px) {
    .container {
        width: 100vw;
    }
    .header-container, .footer-container {
        height: 60px;
    }

    .footer-container {
        font-size: 12px;
    }

    .main {
        height: calc(100vh - 120px);
        padding-top: 0;
    }

    .main-container {
        height: 100%;
        border: 0;
    }
}