.item  {
    height: auto;
    background-position: top center;
    background-repeat: no-repeat;
    padding-top: 50%;
    padding-bottom: 5%;
    background-size: cover;
}
.item h2 {
    font-size: 34px;
    font-weight: bold;
}
.item .box-t {
    margin-bottom: 80px;
}
.item .box-t div {
    width: 50%;
    text-align: right;
}
.item .box-t div img {
    width: 60%;
    margin-right: 15%;
}
.item .box-t h2 {
    margin: 0 0 50px 260px;
    font-weight: bold;
}
.item .box-t h3 {
    font-size: 22px;
    font-weight: bold;
}
.item .box-t .txt {
    padding-right: 140px;
    margin-top: 25%;
    color: #333;
    font-weight: bold;
    font-size: 16px;
}
.item .box-b h2 {
    margin-right: 260px;
    text-align: right;
    margin-bottom: 50px;
}
.box-b-list {
    width: 1050px;
    height: 220px;
    margin: 0 auto;
    background: url(../images/bg4.png);
}
.box-b-list li {
    float: left;
    width: 25%;
    text-align: center;
    padding-top: 25px;
}
.box-b-list li.l1 {width: 276px;}
.box-b-list li.l2 {width: 258px;}
.box-b-list li p {
    margin-top: 5px;
    color: #333;
    font-size: 20px;
    font-weight: bold;
}
.i-bottom {
    padding: 0 66px;
    margin-bottom: 80px;
}
.i-bottom h2 {
    font-size: 34px;
    color: #444;
    font-weight: bold;
    margin: 60px 0;
}
.i-bottom-list {
    width: 1024px;
    margin: 0 auto 10px;
}
.i-bottom-list li {
    float: left;
    width: 33.3333%;
    text-align: left;
    cursor: pointer;
    position: relative;
    min-height: 105px;
}
.i-bottom-list li img {
    width: 130px;
    height: 100px;
    position: absolute;
    right: 20px;
    bottom: 5px;
}
.i-bottom-list li.cur p {
    color: #fff;
}
.i-bottom-list li.cur p.p1 {
    background: #3dab4a;
}
.i-bottom-list li.cur p.p2 {
    background: #ee8f25;
}
.i-bottom-list li.cur p.p3 {
    background: #4fa1d9;
}
.i-bottom-list li p {
    height: 30px;
    line-height: 30px;
    background: #a3a3a3;
    color: #000;
    padding-left: 30px;
    position: absolute;
    width: 100%;
    bottom: 0;
}
.img-list img {
    display: none;
    text-align: center;
    margin: 0 auto;
}
.img-list img.cur {
    display: block;
}
.taj {
    text-align:justify;
}