body {
    margin-top: 0px;
}

.menu a {
    color: #000;
}

.xzkd .logo img {
    content: url(../images/logo-2.png);
}

.class {
    /*margin-top: 40px;*/
    padding: 10px 80px 50px;
}

.class li {
    position: relative;
    display: inline-block;
    padding: 0 15px;
    /*border-right: 2px solid #333;*/
    font-size: 20px;
}

.class li::before {
    background: #333;
    content: "";
    position: absolute;
    top: 5px;
    right: -1px;
    height: calc(100% - 10px);
    width: 1px;
}

.class li:nth-last-child(1) {
    margin-left: 0;
    border-right: 0;
}

.class li:nth-last-child(1)::before {
    width: 0px;
}

.class li.action,
.class li:hover {
    font-weight: bold;
    color: #1c65ca;
}

.class li a {
    color: #000;
}

.class li.action a,
.class li:hover a {
    color: #1c65ca;
}

.items {
    font-size: 0;
    text-align: center;
}

.items .item {
    display: inline-block;
    width: 550px;
    height: 310px;
    position: relative;
    overflow: hidden;
    /*float: left;*/
    margin: 0 18px 18px 0;
}

.items .item:nth-child(3n+3) {
    margin: 0 0 18px 0;
}

.items .item a {
    display: block;
}

.items .item .img,
.items .item .img img {
    width: 100%;
    height: 100%;
}

.items .item a .content-back {
    opacity: 0;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: 0.4s;
}

.items .item a:hover .content-back {
    opacity: 0.7;
    background: #000;
}

.items .item .content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    padding: 40px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    /*transform: translateY(-50%);*/
    top: 80%;
    transition: 0.4s;
    opacity: 0;
}

.items .item a:hover .content {
    opacity: 1;
    top: 0;
}

.items .item .content .fg {
    width: 25px;
    height: 4px;
    background: #fff;
    margin-bottom: 10px;
    text-align: left;
}

.items .item .content .tr {
    position: relative;
    font-size: 16px;
    text-align: left;
}

.items .item .content .zh {
    font-size: 40px;
    font-weight: bold;
}

.items .item .content .en {
    font-size: 26px;
    font-family: "Arial Black", "Arial Bold", "Century Gothic", "Comic Sans MS", "幼圆", "黑体", sans-serif;
}

.items .item .boticoo {
    position: absolute;
    bottom: 44px;
    width: 100%;
    height: 70px;
    bottom: 0;
    transition: 0.6s;
    opacity: 0;
}

.items .item a:hover .boticoo {
    opacity: 1;
    bottom: 44px;
}

.items .item .botico {
    font-size: 50px;
    width: 70px;
    height: 70px;
    line-height: 60px;
    border-radius: 50%;
    border: 5px solid #fff;
    text-align: center;
    margin: 0 auto;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.bottom {
    /*position: absolute;
    bottom: 44px;*/
    width: 100%;
    height: 70px;
    margin: calc(75px - 18px) 0 75px;
}

.bottom .botico {
    font-size: 50px;
    width: 70px;
    height: 70px;
    line-height: 60px;
    border-radius: 50%;
    border: 5px solid #a0a0a0;
    color: #a0a0a0;
    text-align: center;
    margin: 0 auto;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

.bottom .botico a {
    color: #a0a0a0;
}

.bottom .botico a:hover {
    color: #000;
}

.bottom .botico:hover {
    border: 5px solid #000;
}

.bottom .botico:hover a {
    color: #000;
}