.l_box,
.l_mask,
.l_content {
  position: fixed;
  bottom: 0;
  height: 100%;
}

.l_box {
  left: 100vw;
  width: 100%;
}

.l_content {
  display: flex;
  flex-direction: column;
}

/* 头部 */
.l_content .content_header {
  /* margin-top: 50px; */
}

/* 关闭按钮 */
.l_content .content_header .off {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #eee;
}

/* 叉叉的样式 */
.l_content .content_header .line {
  position: relative;
  width: 50px;
  height: 50px;
  padding: 0 10px;
  cursor: pointer;
}

.l_content .content_header .line:before,
.l_content .content_header .line:after {
  position: absolute;
  content: "";
  display: block;
  height: 2px;
  background-color: #666;
  width: 35px;
  border-radius: 100px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotate(45deg);
}

.l_content .content_header .line:before {
  transform: translate(-50%, -50%) rotate(-45deg);
}

/* 中间内容部分 */
.l_content .content_middle {
  flex-grow: 1;
  overflow: auto;
}

.l_content .content_middle::-webkit-scrollbar {
  display: none;
}

/* 底部按钮部分 */
.l_content .content_footer {
  display: flex;
  border-top: 1px solid #eee;
}

.l_content .content_footer > div {
  flex: 1;
  text-align: center;
  padding: 10px 0;
  cursor: pointer;
}

.l_content .content_footer .confirm {
  background-color: #1488f5;
  color: #fff;
}