body {
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    font-size: 14px;
    background: #f5f5f6;
}
body.mask {
    overflow: hidden;
    user-select: none;
}

p {
    padding: 0;
    line-height: 1.8em;
    margin: 0 0 1em 0;
}
.main {
    flex: 1;
    background: white;
}

body.normal-page {
    min-height: 800px;
}

body.error-page {
    position: fixed;
    width: 100%;
    height: 100%;
    left: 0;
    right: 0;
}

body.error-page .main {
    display: flex;
    justify-content: center;
    align-items: center;
}

a {
    text-decoration: none;
}

a:visited, a:link {
    color: inherit;
}

a:hover, .active {
    color: #4ca3ff;
}

.active {
    cursor: default;
}

header {
    background: white;
}

header .site {
    display: flex;
    height: 100%;
    flex: 1;
    color: #4ca3ff;
}

header .content {
    box-sizing: border-box;
    display: flex;
}

header {
    text-align: center;
    font-weight: normal;
    border-bottom: 1px solid #f5f5f6;
}

header .logo-container {
    align-items: center;
    display: flex;
}

header .site-name {
    align-items: center;
    display: flex;
    padding-left: 8px;
}
.menu-container {
    display: flex;
    user-select: none;
}
.menu {
    display: flex;
    align-items: center;
    white-space: nowrap;
    font-size: 16px;
}

.menu-opt {
    display: none;
}

.home-slider {
    height: 500px;
}

.service-item {
    font-size: 18px;
    margin: 0 auto;
    color: #333;
}

.service-item-info {
    margin: 0 auto;
    display: flex;
    line-height: 1.7em;
}
.service-item .left {
    flex: 1;
}
.service-item .right {
    flex: 1;
}
.service-item .title {
    text-align: center;
    font-size: 1.5em;
    padding-bottom: 1em;
    color: black;
}

.service-item .image-box {
    padding: 0 1em;
}
.service-item .image-box img {
    max-height: 300px;
}

.footer {
    color: grey;
    text-align: center;
    width: 100%;
    font-size: 14px;
    padding: 1em 0;
    line-height: 1.7em;
}

.footer .beian {
    display: flex;
    align-items: center;
    justify-content: center;
}
.footer .beian .beian-item {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}
.footer .beian img {
    max-width: 24px;
    max-height: 24px;
    margin-right: 4px;
}

.banner {
    height: 500px;
    color: white;
    background-color: #000033;
}

.banner-content {
    display: flex;
    justify-content: center;
    height: 500px;
    padding: 0 !important;
}
.banner .image-box {
    padding: 20px 0;
}
.banner .image-box img {
    margin: 0 10px;
}
.banner-content .left {
    flex: 1;
    text-align: center;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
}
.banner-content .left img {
    max-height: 100%;
    max-width: 100%;
}
.banner-content .right {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
.contact {
    display: flex;
}
.about .info-group {
    padding-bottom: 60px;
}
.about .info-group .info-group-title {
    font-weight: bold;
    padding-bottom: 20px;
    font-size: 18px;
}
.about .contact .map {
    flex: 2;
}
.about .contact .map img {
    max-width: 100%;
    max-height: 100%;
    border-radius: 4px;
}
.about .contact .address {
    flex: 1;
    line-height: 2em;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 24px;
}
.product .features {
    margin: 0;
    padding-bottom: 20px;
    font-style: italic;
}
.product .platform {
    width: 150px;
    text-align: center;
    padding: 20px 0;
    background: #eee;
    margin: 10px;
    border-radius: 4px;
    color: #666;
}
.product .platform-qrcode img {
    max-width: 120px;
}
.product-name {
    font-size: 18px;
    padding: 20px 0;
    font-weight: bold;
    border-bottom: 1px solid #eee;
    display: flex;
}
.info-group-title {
    display: flex;
}
.product-name>*, .info-group-title>* {
    display: flex;
    align-items: center;
}
.product-name img, .info-group-title img {
    width: 20px;
    padding-right: 10px;
}

.product-image img {
    max-width: 300px;
    margin: 10px;
    box-shadow: 0 0 6px #ccc;
}
.product .description {
    padding: 20px 0;
    line-height: 1.7em;
}

.case {
    margin-bottom: 40px;
}
.case .case-name {
    font-size: 18px;
    font-weight: bold;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    display: flex;
}
.case .case-name>* {
    display: flex;
    align-items: center;
}

.case-icon {
    width: 20px;
    padding-right: 10px;
}
.case-image img {
    width: 200px;
    margin: 10px;
    box-shadow: 0 0 8px #ccc;
}
.case .case-description {
    padding: 20px 0;
    line-height: 1.7em;
}
.cases .notice {
    padding-bottom: 20px;
}
.join .join-ad {
    color: green;
}