html, body {
    max-width: 1000px;
    margin: 0 auto;
    background-color: #efeff1;
}

.header {
    text-align: center;
    font-size: 1.5rem;
    padding: 1rem 0 0.5rem 0;
    margin-top: 1rem;
    user-select: none;
    -webkit-user-drag: none;
}

.logo {
    font-size: 1.5rem;
    font-weight: bolder;
    color: orangered;
    border: 4px solid orangered;
    border-radius: 0.3rem;
    padding: 0.2rem;
}

.main img {
    width: 100%;
    user-select: none;
    -webkit-user-drag: none;
}

.divider {
    display: block;
    height: 1px;
    width: 100%;
    margin: 2rem 0;
    background-color: #DCDFE6;
    position: relative;
}

.divider-vertical {
    display: inline-block;
    width: 1px;
    height: 1em;
    margin: 0 8px;
    vertical-align: middle;
    position: relative;
    background-color: #000;
    user-select: none;
}

.h2 {
    font-size: 2.5rem;
    text-align: center;
    margin: 0 0 1.5rem 0;
    user-select: none;
}

.h3 {
    font-size: 2rem;
    text-align: center;
    user-select: none;
}

.card-wrap {
    display: flex;
    justify-content: center;
    align-items: start;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.card-wrap .card {
    flex: 1;
    text-align: center;
    margin: 0 1rem;
    border: 1px solid #DCDFE6;
    padding: 2rem 1rem;
    min-height: 200px;
    max-width: 300px;
}

.card .card-title {
    font-size: 1.4rem;
    padding: 1rem;
    user-select: none;
}

.card .card-content {
    color: rgb(128, 128, 128);
    line-height: 1.6;
    user-select: none;
}

.quick-app-logo {
    height: 60px;
}

.quick-app-jt {
    display: flex;
    justify-content: space-between;
    padding: 0 60px;
}

.footer {
    display: flex;
    flex-flow: wrap;
    justify-content: space-between;
    align-items: end;
    line-height: 2;
    margin-bottom: 1rem;
}

.copyright {
    color: rgb(128, 128, 128);
}