* {
    margin: 0;
    padding: 0
}

img {
    border: 0
}

body,
html {
    margin: 0;
    padding: 0;
    height: 100%
}

body {
    font-size: 14px;
    line-height: 1.4;
    font-family: 'Open Sans', Arial, Helvetica, sans-serif;
    color: #505050;
    background: #fff;
}

a {
    color: #2398eb
}

a:hover {
    text-decoration: underline
}

.clearfix:after {
    clear: both;
    content: "";
    display: block;
    height: 0;
    visibility: hidden;
    font-size: 0;
    line-height: 0
}

.clearfix {
    display: inline-block
}

.clear {
    clear: both;
    border: 0;
    height: 0;
    font-size: 0;
    line-height: 0
}

.header {
    background: #000;
    width: 100%;
    height: 60px;
    line-height: 60px;
    font-size: 24px;
    text-indent: 20px;
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 2
}

.footer {
    background: #999;
    width: 100%;
    height: 20px;
    line-height: 20px;
    font-size: 12px;
    text-align: center;
    color: #000;
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 2
}

.left .googletranslate {
    height: 27px;
    overflow: hidden;
    padding: 0 0 0 20px;
    margin: 80px 0 0
}

.left {
    background: #ebebeb;
    width: 270px;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1
}

.left .menu {
    margin: 20px 0 0 20px;
    display: inline-block;
    overflow-y: auto
}

.left .menu li {
    margin: 0 0 10px;
    list-style: none
}

.left .menu li span {
    padding-left: 5px
}

.left .menu li a {
    text-decoration: none;
    padding: 2px 4px
}

.left .menu li a:hover {
    background: #069;
    color: #fff;
    cursor: pointer
}

.left .menu li.current a {
    background: #069;
    color: #fff;
    cursor: default
}

.left .menu li a.secondly {
    margin-left: 10px
}

.content {
    margin: 80px 20px 0 300px;
    scroll-behavior: smooth;
}

.content img {
    max-width: 700px
}

.content .item {
    display: block;
    border-bottom: 1px solid #eee;
    padding: 30px 0;
    scroll-margin-top: 50px;
}

.content .item ul li {
    list-style: disc;
    margin-left: 20px;
    padding-bottom: 10px
}

.content .item ol li {
    list-style: inherit;
    margin-left: 20px;
    padding-bottom: 10px
}

.content .inner-item {
    display: block;
    padding: 80px 0 0
}

.content p {
    padding: 0 0 10px
}

.content h2 {
    font-size: 24px;
    margin: 30px 0 15px;
    font-weight: 300;
}

.content h3 {
    font-size: 18px;
    margin-bottom: 15px;
}

.content h3 em {
    font-size: 14px;
    margin-left: 20px
}

.content .item div {
    padding: 10px 0
}
.content .item h2 {
    margin-top: 0;
}