@charset "utf-8";
/* CSS Document */
* {
  margin: 0;
  padding: 0;
}

body {
	font-family: "微软雅黑", "宋体", "黑体";
	font-size: 13px;
}

.piece_container {
	width: 320px;
    height: 310px;
	margin: auto;
    text-align: center;
    overflow: hidden;
}
.piece_container div {
    float: left;
    margin: 1px;
}

.cover {
    position: relative;
    z-index: 998;
}

.cover_bg {
    position: absolute;
    width: 100%;
    opacity: 0.7;
    z-index: 999;
    background: #000;
}
.cover_inner {
    position: absolute;
    z-index: 1000;
}

.rule-description {
    text-align: center;
}
.rule-description .over-time {
    color: red;
}
.rule-description p {
    text-align: center;
    margin: auto;
}
.rule-description .over-step {
    color: green;
}