.powerball_wrap {
    display: none;
    position: absolute;
    top: 0%;
    margin: 0px auto 0;
    max-width: 1400px;
    height: 641px;
    background: url(../intro/blackBg.png) no-repeat center 0;
    box-shadow: 0 5px 15px rgba(0,0,0,.3);
    overflow: hidden;
}

.layer_background {
    display: none;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background-color: rgba(0,0,0,.4);
    transition: opacity .2625s cubic-bezier(.215,.61,.355,1);
    z-index: 100;
}

.layer_option {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background-color: #342b24;
    z-index: 101;
    box-shadow: 0 5px 15px rgba(0,0,0,.3);
}

.layer_option .hd {
    height: 71px;
}

.layer_option .bd {
    background-color: #000;
    color: #837765;
}

.layer_option .bd .inner {
    padding: 20px 0 30px;
}

.layer_option .inner {
    margin: 0 auto;
    width: 790px;
}

.layer_option .bd {
    background-color: #000;
    color: #837765;
}

.layer_tip .tip_box {
    /*max-height: 400px;*/
    overflow-y: auto;
}

.layer_tip .bd .tit {
    margin-bottom: 10px;
    color: #eace63;
    font-weight: 700;
}

.layer_tip .bd p {
    line-height: 21px;
}

.layer_tip .bd p {
    line-height: 21px;
}

.layer_option .hd .tit {
    float: left;
    line-height: 71px;
    font-size: 12px;
    color: #fff;
}

.layer_option .btn_close {
    float: right;
    margin-right: -20px;
    width: 71px;
    height: 71px;
    text-indent: -9999px;
    overflow: hidden;
}

.layer_option .btn_close:before {
    float: left;
    margin: 20px;
    content: '';
    width: 31px;
    height: 31px;
    background: url(ic_close.png) no-repeat;
}