html, body {
    margin: 0;
    padding: 0;

    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}

content {
    display: flex;
    flex-direction: column;
    max-width: 960px;
    margin: 0 auto;
}

header {
    display: flex;
    justify-content: space-between;
    padding: 10px 0px;
}
header img {
    object-fit: contain;
}

hr {
    width: 100%;
    height: 1px;
    border: none;
    background-color: #971943;
}

footer {
    margin-top: 10px;
    background-color: #971943;
    width: 100%;
    color: white;
}

footer .container {
    max-width: 960px;
    padding: 20px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}



container {
    display: flex;
}

nav {
    flex: 0 0 12em;
}

main {
    display: flex;
    width: 100%;
    flex-direction: column;
}

@media (max-width: 768px) {
    body {
        max-width: none;
        padding: 10px;
    }
    header {
        display: flex;
        flex-direction: column;
        text-align: center;
    }
    nav {
        flex: 1;
    }
    container {
        display: flex;
        flex-direction: column;
    }
    footer .container {
        flex-direction: column;
        justify-content: none;
    }
}

/* 自定义样式 */
.title {
    font-size: 24px;
    line-height: 64px;
}

/* 卡片类样式 */
.card {
    padding: 10px 20px;
    border-radius: 3px;
    flex: 0 0 auto;
    border: 1px solid rgb(239, 239, 245);
}
.card {
    margin-bottom: 10px;
}
.card .action {
    display: flex;
    justify-content: flex-end;
}

.card .action a {
    text-decoration: none;

    height: 34px;
    font-size: 14px;
    font-weight: bold;
    line-height: 1;
    padding: 0 32px;
    border-radius: 3px;
    color: #2080f0;
    display: flex;
    align-items: center;
    vertical-align: center;
    background-color: rgba(32, 128, 240, 0.16);
}
.card .action a:hover {
    background-color: rgba(32, 128, 240, 0.22);
}

@media (max-width: 768px) {
    .card {
        flex: 1;
    }
    .card .action {
        justify-content: flex-start;
    }
}

.card:hover {
    box-shadow: 0 1px 2px -2px rgba(0, 0, 0, .08), 0 3px 6px 0 rgba(0, 0, 0, .06), 0 5px 12px 4px rgba(0, 0, 0, .04);
}