.tb-page-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 0;
  box-sizing: border-box;
}

/* 面包屑 */
.color-chart-breadcrumb {
  font-size: 14px;
  color: #666;
  margin-bottom: 25px;
}

.color-chart-breadcrumb a {
  color: #666;
  text-decoration: none;
}

.color-chart-breadcrumb a:hover {
  text-decoration: underline;
}

/* 布局结构 */
.color-chart-layout {
  display: flex;
  gap: 40px;
}

/* 左侧 Sidebar */
.color-chart-sidebar {
  width: 220px;
  flex-shrink: 0;
}

/* 右侧内容区：flex-basis:0 让它按剩余空间伸缩而非内容宽度，min-width:0 允许收缩到比内容更窄，
   这样内部图片行的 overflow-x:auto 才能在正确的层级接管横向滚动，避免整体溢出 100% */
.color-chart-main {
  flex: 1 1 0;
  min-width: 0;
}

.sidebar-fieldset {
  border: 1px solid #e0e0e0;
  border-radius: 0;
  padding: 15px 20px 25px 20px;
  margin: 0;
  box-sizing: border-box;
}

.sidebar-legend {
  font-style: italic;
  font-size: 18px;
  font-weight: normal;
  padding: 0 12px;
  margin: 0 auto;
  width: auto;
  float: none;
  text-align: center;
  color: #111;
}

.sidebar-menu-group {
  margin-top: 15px;
  margin-bottom: 20px;
}

.sidebar-menu-title {
  font-size: 13px;
  font-weight: bold;
  margin: 0 0 10px 0;
  text-transform: uppercase;
  color: #222;
  letter-spacing: 0.3px;
}

.sidebar-menu-group ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-menu-group li {
  margin-bottom: 4px;
  padding: 0;
  list-style: none;
}

.sidebar-menu-group a {
  font-size: 13px;
  color: #666;
  text-decoration: none;
  display: inline-block;
  transition: color 0.2s;
}

.sidebar-menu-group a:hover,
.sidebar-menu-group a.active {
  color: #000;
  text-decoration: underline;
}

/* 移动端适配：禁用 hover 与 active 选中样式 */
@media (max-width: 768px) {
  /* 隐藏侧边栏与大图预览区域 */
  .color-chart-sidebar{
    display: none !important;
  }

  .tb-page-container {
    padding: 10px;
  }

  .fabric-grid-wrapper {
    display: block;
  }
}