body {
    background: #fff;
}

h2 {
    width: 400px;
    margin: 0 auto 10px auto;
    font-size: 18px;
    font-family: "微软雅黑";
    color: #333;
}

.tab {
    position: relative;
    width: 1032px;
    height: 700px;
    overflow: hidden;
    margin: 0 auto 20px auto;
    font-family: Arial;
    box-shadow: 0px 0px 50px rgba(0,0,0,0.2);
}

.tab-nav {
    height: 90px;
    overflow: hidden;
    border-width: 0px;
    /*box-shadow: 0px 0px 100px rgba(0,0,0,0.2);*/
    position: relative;
    padding-bottom: 95px;
    /*	background: #f5f5f5;*/
}

    .tab-nav a {
        display: block;
        float: left;
        width: 254px;
        height: 90px;
        line-height: 90px;
        text-align: center;
        text-decoration: none;
        color: #999;
        border-top-right-radius: 20px;
        border-top-left-radius: 20px;
        box-shadow: 0px 0px 60px rgba(0,0,0,0.2);
        font-size: 20px;
        /*font-weight: 600;*/
        color: #333333;
    }

.tab-nav2 a {
    display: block;
    float: left;
    width: 340px;
    height: 90px;
    line-height: 90px;
    text-align: center;
    text-decoration: none;
    color: #999;
    border-top-right-radius: 20px;
    border-top-left-radius: 20px;
    font-size: 20px;
    font-weight: 600;
    color: #333333;
}

.tab-nav a.current {
    background: url(../images/ghawar/nav-a.png);
    color: #fff;
}

.sanda-icon {
    width: 8%;
}

.tab-con {
    position: relative;
    width: 1032px;
    height: 700px;
    overflow: hidden;
    /*background: #80b600;*/
}

.tab-con-item {
    display: none;
    width: 90%;
    height: 700px;
    /*line-height: 180px;*/
    z-index: 99;
    text-align: left;
    margin-left: 5%;
    color: #000;
}

.sanda-content {
    margin-top: 4%;
    background-size: 200%;
    color: #666666;
}

.sanda-img {
    margin-top: 5%;
    margin-left :55px;
  
    ground-size: 100%;
}

    .sanda-img img {
        max-width: 90%;
    }


.sandamokuaiH1 {
    width: 100%;
    height: 40%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 600;
}

.sandamokuaiH2 {
    width: 100%;
    height: 40%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 15px;
}