* { margin: 0; padding: 0; }
body { background-color: #333; font-family: "Microsoft Yahei"; }

.slider-box {
  position: relative;
  overflow: hidden;
  margin: 40px auto;
}

.slider {
  position: absolute;
  left: 0;
  top: 0;
}
.slider-item {
  float: left;
  cursor: default;
}
.slider-item img {
  width: 100%;
  height: 100%;
  vertical-align: top;
}

.slider-box .btn {
  position: absolute;
  top: 50%;
  width: 30px;
  height: 30px;
  margin-top: -15px;
  background: url(../images/hislider-arrow.png) no-repeat;
  opacity: 0;
}
.slider-box .btn-prev {
  left: -30px;
}
.slider-box .btn-next {
  right: -30px;
  background-position: -30px 0;
}

.slider-box .slider-title {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 30px;
  line-height: 30px;
  background: rgba(0, 0, 0, .6);
}
.slider-box .slider-title p {
  display: inline-block;
  padding-left: 10px;
  color: #ccc;
}

.slider-box .btn-box {
  position: absolute;
  right: 20px;
  bottom: 8px;
  font-size: 0;
}
.slider-box .btn-item {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin: 0 5px;
  border-radius: 50%;
  background-color: #fff;
}
.slider-box .btn-item__cur {
  background-color: #09c;
}