body, html {
    padding: 0;
    margin: 0;
    color: #555555;
}

body, div, dl, dt, dd, ul, ol, li, form, fieldset, input, button, select, option, textarea, p, th, td {
    /*font-family: Avenir, Tahoma, Arial, PingFang SC, Lantinghei SC, Microsoft Yahei, Hiragino Sans GB, Microsoft Sans Serif, WenQuanYi Micro Hei, Helvetica, sans-serif;*/
    font: 14px Avenir, Tahoma, Arial, PingFang SC, Lantinghei SC, Microsoft Yahei, Hiragino Sans GB, Microsoft Sans Serif, WenQuanYi Micro Hei, Helvetica, sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 200;
}

/** header **/
.navbar {
    top: 0;
    left: 0;
}

.navbar {
    z-index: 20;
    right: 0;
    height: 3.6rem;
    background-color: #fff;
    box-sizing: border-box;
    border-bottom: 1px solid #eaecef;
}

.navbar {
    padding: .7rem 1.5rem;
    line-height: 2.2rem;
    position: fixed;
}

.navbar a, .navbar img, .navbar span {
    display: inline-block;
}

.navbar .site-name {
    font-size: 1.3rem;
    font-weight: 400;
    color: #2c3e50;
    position: relative;
}

.navbar .links {
    padding-left: 1.5rem;
    box-sizing: border-box;
    background-color: #fff;
    white-space: nowrap;
    font-size: .9rem;
    position: absolute;
    right: 1.5rem;
    top: .7rem;
    display: flex;
}

.navbar .links .nav-links {
    flex: 1;
}

.nav-links {
    display: inline-block;
}

.navbar .links {
    padding-left: 1.5rem;
    box-sizing: border-box;
    background-color: #fff;
    white-space: nowrap;
    font-size: .9rem;
    position: absolute;
    right: 1.5rem;
    top: .7rem;
    display: flex;
}

.nav-links .nav-item:first-child {
    margin-left: 0;
}

.nav-links .nav-item {
    position: relative;
    display: inline-block;
    margin-left: 1.5rem;
    line-height: 2rem;
}

.navbar a, .navbar img, .navbar span {
    display: inline-block;
}

.nav-links a {
    line-height: 1.4rem;
    color: inherit;
    font-weight: 400;
}

.nav-links .selected {
    color: #6a8bad;
}

a {
    text-decoration: none;
    color: #555555;
}

/** home **/
.home {
    padding: 3.6rem 2rem 0;
    max-width: 960px;
    margin: 0 auto;
}

.home .hero {
    text-align: center;
    margin-top: 3rem;
}

.home .hero img {
    max-height: 280px;
    display: block;
    margin: 0 auto 1.5rem;
}

.home .hero .description {
    max-width: 35rem;
    font-size: 1.6rem;
    line-height: 1.3;
    color: #6a8bad;
}

.home .hero .action, .home .hero .description, .home .hero h1 {
    margin: 1.8rem auto;
}

.home .hero .action-button {
    display: inline-block;
    font-size: 1.2rem;
    color: #fff;
    background-color: #3eaf7c;
    padding: .8rem 1.6rem;
    border-radius: 4px;
    transition: background-color .1s ease;
    box-sizing: border-box;
    border-bottom: 1px solid #389d70;
}

.home .features {
    border-top: 1px solid #eaecef;
    padding: 1.2rem 0;
    margin-top: 2.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    align-content: stretch;
    justify-content: space-between;
}

.home .feature {
    flex-grow: 1;
    flex-basis: 30%;
    max-width: 30%;
}

.home .feature h2 {
    font-size: 1.4rem;
    font-weight: 500;
    border-bottom: none;
    padding-bottom: 0;
    color: #3a5169;
}

.home .feature p {
    color: #4e6e8e;
}

.home .content .custom {
    padding: 0;
    margin: 0;
}

.home .content h2 {
    font-size: 1.3rem;
    padding-bottom: .3rem;
    border-bottom: 1px solid #eaecef;
}

.home .content a.header-anchor {
    font-size: .85em;
    float: left;
    margin-left: -.87em;
    padding-right: .23em;
    margin-top: .125em;
    opacity: 0;
}

.home .content code {
    color: #476582;
    padding: .25rem .5rem;
    margin: 0;
    font-size: .85em;
    background-color: rgba(27, 31, 35, .05);
    border-radius: 3px;
}

.home .footer {
    padding: 2.5rem;
    border-top: 1px solid #eaecef;
    text-align: center;
    color: #4e6e8e;
}

.article-lock {
    width: 15px;
    height: 15px;
    vertical-align: middle;
    margin-right: 2px;
    margin-bottom: 5px;
}