/* kaifamei原创源码，唯一官网：www.kaifamei.com */
.mengban{width: 100%;height: 2000px;height: 100vh;position: fixed;top: 0;left: 0;z-index: 999999;background: rgba(0,0,0,.5);display: none;}
.lbkey_box{position: fixed;left: 10%;top: 20%;min-width: 260px;max-width: 720px;z-index: 9999999;width: 80%;height: 200px;background: #fff;border-radius: 8px;display: none;}
.lbkey_box .clos-lbwd{position: absolute;right: 0;top: -110px;width: 60px;height: 110px;background: url(../images/lb-x.png) no-repeat;}
#key-c{text-align: center;line-height: 40px;font-size: 20px;display: block;margin: 10px auto;}
.lbkey_box .btn{width: 100%;margin: 20px auto;text-align: center;}
.lbkey_box .btn span{height: 32px;font-size: 14px;line-height: 32px;display:inline-block;background: #ffaa00;border-radius: 4px;width: 40%;text-align: center;overflow: hidden;color: #fff;margin: 0 10px;}
.lbkey_box p{text-align: center;line-height: 40px;margin: 10px auto;}