* {
    margin: 0;
    padding: 0;
}

body,
button,
input,
select,
textarea {
    font: 12px/1.5tahoma, arial, \5b8b\4f53;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-size: 100%;
}

address,
cite,
dfn,
em,
var {
    font-style: normal;
}

code,
kbd,
pre,
samp {
    font-family: couriernew, courier, monospace;
}

small {
    font-size: 12px;
}

ul,
ol {
    list-style: none;
}

a{
    text-decoration: none !important;
    color: rgba(0, 0, 0, 0.85);
}

a:hover {
    text-decoration: underline;
}

sup {
    vertical-align: text-top;
}

sub {
    vertical-align: text-bottom;
}

legend {
    color: #000;
}

fieldset,
img {
    border: 0;
}

button,
input,
select,
textarea {
    font-size: 100%;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

[v-clock] {
    display: none;
}

.ellipsis{
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-box-orient: vertical;
    display: -webkit-box;
    -webkit-line-clamp: 1;
}
.ellipsis-2{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}
.ellipsis-3{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

/* 广告栏 */
.banner{
    height: 320px;
    width: 100%;
    background-color: #383B65;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    color: #fff;
}
.banner-title{
    padding-top: 60px;
    font-weight: 500;
    line-height: 1.1;
    color: inherit;
    font-size: 32px;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.15);
}
.banner-descript{
    margin-top: 18px;
}

/* 内容区 */
.main-content-box{
    margin-top: 36px;
    width: 100%;
    display: flex;
    justify-content: center;
}
.main-content{
    width: 1200px;
    display: flex;
    border-bottom: 1px solid #e5e5e5;
}
.main-content-about{
    width: 1200px;
    border-bottom: 1px solid #e5e5e5;
}
.about-title{
    font-size: 20px;
    padding: 0 0 15px 0;
}
.main-content-row{
    width: 100%;
}
.main-content-col{
    margin-bottom: 24px;
}

/* 侧边栏功能键 */
.back-top-box{
    position: fixed;
    right: 30px;
    bottom: 150px;
    z-index: 9;
}
.back-tb-item{
    cursor: pointer;
    width: 40px;
    height: 40px;
    text-align: center;
    line-height: 40px;
    background-color: #fff;
    margin-top: 10px;
    border-radius: 50%;
    box-shadow: 0 0 6px rgba(0,0,0,.12);
    font-size: 16px;
    color: #409eff;
}