/* ================================================================
   右侧固定工具栏
================================================================ */

.side-toolbar {
  position: fixed;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  z-index: 200;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  font-family: var(--font-boldm, "Microsoft YaHei", sans-serif);
}

/* ---- 主区域 ---- */
.side-toolbar-main {
  display: flex;
  flex-direction: column;
  width: max(0.56rem, 56px);
  background: #0934d3;
  border-radius: max(0.08rem, 8px) 0 0 max(0.08rem, 8px);
  overflow: visible;
  transition: width 0.35s ease, opacity 0.35s ease, transform 0.35s ease;
}

/* 收起状态：主区域滑出视口 */
.side-toolbar.collapsed .side-toolbar-main {
  width: 0;
  opacity: 0;
  transform: translateX(100%);
  pointer-events: none;
  overflow: hidden;
}

/* ---- 每个按钮项 ---- */
.side-toolbar-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: max(0.02rem, 2px);
  height: max(0.56rem, 56px);
  margin: 0;
  padding: 0;
  color: #fff;
  text-decoration: none;
  cursor: pointer;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.25s ease;
  position: relative;
}

.side-toolbar-item:last-child {
  border-bottom: none;
}

.side-toolbar-item:hover {
  background: rgba(255, 255, 255, 0.15);
}

.side-toolbar-item i {
  font-size: max(0.22rem, 22px);
  line-height: 1;
}

.side-toolbar-text {
  font-size: max(0.11rem, 11px);
  line-height: 1;
  opacity: 0.85;
}

/* 返回顶部 / 返回底部：无文字 */
.side-toolbar-top i,
.side-toolbar-bottom i {
  font-size: max(0.2rem, 20px);
}
.side-toolbar-top i{
  transform: rotate(180deg);
}

/* ---- 返回顶部：在顶部时隐藏 ---- */
.side-toolbar-top {
  opacity: 0;
  visibility: hidden;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease, max-height 0.3s ease;
}

.side-toolbar-top.is-visible {
  opacity: 1;
  visibility: visible;
  max-height: max(0.56rem, 56px);
}

/* ---- 信息弹出（电话号码 / QQ号码） ---- */
.side-toolbar-info-pop {
  display: block;
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  padding: max(0.1rem, 10px) max(0.16rem, 16px);
  background: #fff;
  border-radius: max(0.06rem, 6px);
  box-shadow: 0 max(0.04rem, 4px) max(0.2rem, 20px) rgba(0, 0, 0, 0.2);
  color: #333;
  font-size: max(0.14rem, 14px);
  font-family: var(--font-boldm, "Microsoft YaHei", sans-serif);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
}

/* 小三角箭头 */
.side-toolbar-info-pop::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 7px solid transparent;
  border-left-color: #fff;
}

.side-toolbar-item:hover .side-toolbar-info-pop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(-50%) translateX(-4px);
}

/* ---- 微信二维码弹出 ---- */
.side-toolbar-qr-pop {
  display: block;
  position: absolute;
  right: calc(100% + 12px);
  top: 50%;
  transform: translateY(-50%);
  width: max(1.2rem, 120px);
  height: max(1.2rem, 120px);
  padding: max(0.06rem, 6px);
  background: #fff;
  border-radius: max(0.06rem, 6px);
  box-shadow: 0 max(0.04rem, 4px) max(0.2rem, 20px) rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
}

.side-toolbar-qr-pop img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: max(0.04rem, 4px);
}

/* 小三角箭头 */
.side-toolbar-qr-pop::after {
  content: "";
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 7px solid transparent;
  border-left-color: #fff;
}

.side-toolbar-qr:hover .side-toolbar-qr-pop {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(-50%) translateX(-4px);
}

/* ---- 关闭/展开按钮 ---- */
.side-toolbar-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  height: max(0.4rem, 40px);
  width: max(0.56rem, 56px);
  margin: max(0.04rem, 4px) 0 0 0;
  padding: 0;
  background: #0934d3;
  color: #fff;
  border-radius: max(0.08rem, 8px) 0 0 max(0.08rem, 8px);
  cursor: pointer;
  text-decoration: none;
  margin-top: max(0.04rem, 4px);
  transition: width 0.35s ease, background 0.25s ease;
}

.side-toolbar-toggle:hover {
  background: var(--color-link);
}

.side-toolbar-toggle i {
  font-size: var(--font-size-18);
  transition: transform 0.35s ease;
}

/* 收起状态：toggle 宽度缩小一半，箭头朝右 */
.side-toolbar.collapsed .side-toolbar-toggle {
  width: max(0.28rem, 28px);
}

.side-toolbar.collapsed .side-toolbar-toggle i {
  transform: rotate(180deg);
}

/* ---- 移动端适配 ---- */
@media screen and (max-width: 991px) {
  .side-toolbar-main {
    width: max(0.48rem, 48px);
  }

  .side-toolbar-item {
    height: max(0.48rem, 48px);
  }

  .side-toolbar-item i {
    font-size: max(0.2rem, 20px);
  }

  .side-toolbar-text {
    font-size: max(0.1rem, 10px);
  }

  .side-toolbar-toggle {
    width: max(0.48rem, 48px);
    height: max(0.36rem, 36px);
  }

  .side-toolbar.collapsed .side-toolbar-toggle {
    width: max(0.24rem, 24px);
  }

  .side-toolbar-qr-pop {
    width: max(1rem, 100px);
    height: max(1rem, 100px);
  }
}

@media screen and (max-width: 768px) {
  .side-toolbar-main {
    width: max(0.42rem, 42px);
  }

  .side-toolbar-item {
    height: max(0.42rem, 42px);
  }

  .side-toolbar-item i {
    font-size: max(0.18rem, 18px);
  }

  .side-toolbar-text {
    display: none;
  }

  .side-toolbar-toggle {
    width: max(0.42rem, 42px);
    height: max(0.32rem, 32px);
  }

  .side-toolbar.collapsed .side-toolbar-toggle {
    width: max(0.21rem, 21px);
  }
}