.main .w {
    padding-bottom: 40px;
}
.main-auto {
    width: 1200px;
    height: auto;
    margin: 0 auto;
    padding:40px 89px 0 89px;
}


.tab_div {
    width: 1022px;
    min-height: 500px;
    margin: 0 auto;  
}
.tab {
    display: block;
    overflow: hidden;
    padding: 0;
    list-style: none;
    
}
.tab li {
    position: relative;
    float: left;
    overflow: hidden;
    width: 162px;
    height: 90px;
    /* background: url(./tab_A_03.png) no-repeat; */
    margin-right: 53px;
    line-height: 90px;
    color: #ccc;
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    border-bottom: 2px solid transparent;
    cursor: pointer;
}
.tab .li1 {
    color: rgba(0, 0, 0, 0.5);
    background: #e6fcf8;
}
.tab .li2 {
    color: #c68c35;
    background:#fff5e1;
}
.tab .li3 {
    color: #238fd7;
    background:#e8f6ff;
}
.tab .li4 {
    color: #b66851;
    background:#ffede7;
}
.tab .li5 {
    color: #53764b;
    background:#f0faef;
}
.tab li:nth-child(5) {
    margin-right: 0;
}
.cur {
    height: 104px !important;
    background: url(./tab_A_03.png) no-repeat center center !important;
    background-size: 100% 100% !important;
    color: #fff !important;
    z-index: 999;
}

.tab_cont {
    display: none;
    margin-top: 15px; 
    padding-bottom: 45px;
}
.tab_cont h3,
.tab_cont p {
    line-height: 35px;
}
    

.tab_cont h3 {
    color: #333;
    font-size: 20px;
    font-weight: bold;
}
.tab_cont p {
    font-size: 18px;
    color: #333;
}

.on {
    display: block;
}


.m-b {
    width: 1022px;
    height: auto;
}
.m-b li a {
    position: relative;
    display: inline-block;
    width: 300px;
    height: 200px;
    margin-right: 61px;
    overflow: hidden;
    /* padding-left: 32px;
    padding-top: 35px; */
}
.m-b li a img{
    display: inline-block;
    width: 100%;
    height: 100%;
    transition: all 0.3s;
}
.m-b li a p {
    position: absolute;
    top: 35px;
    left: 32px;
    z-index: 99;
}
.m-b li a:hover img {
    transform: scale(1.1);
}
.m-b .li3 a {
    margin-right: 0;
}
/* .m-b .li1 a {
    background: url(./pc1_03.png) no-repeat center center;
    background-size: 100% 100%;
}
.m-b .li2 a {
    background: url(./pc2_03.png) no-repeat center center;
    background-size: 100% 100%;
}
.m-b .li3 a {
    background: url(./pc3_03.png) no-repeat center center;
    background-size: 100% 100%;
} */
.m-b li a p {
    font-size: 24px;
    color: #4b70b5;
    font-weight: bold;
}
.m-b .li1 a p {
    color: #4b70b5;
}
.m-b .li2 a p {
    color: #5f4ea2;
}
.m-b .li3 a p {
    color: #6f5226;
}