.bg-white {
  background-color: #fff;
}

.text-white {
  color: #fff;
}

.btn-white {
  border: 2px solid #fff;
  color: #fff;
}

.btn-white:hover,
.btn-white:focus,
.btn-white:active {
  background-color: #fff;
  color: #198754;
}

.t4-header {
  z-index: 200;
}

/* HERO SECTION
-------------------------------------------- */
.gru-hero {
  background-image: url("/images/cover/hero-bg.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
  padding: 80px 0;
}

@media (min-width: 992px) {
  .gru-hero {
    padding: 140px 0;
  }
}

.gru-hero .container {
  position: relative;
  z-index: 10;
}

.gru-hero h1,
.gru-hero .hero-heading {
  line-height: 1.2;
}

.gru-hero p,
.gru-hero .lead {
  line-height: 1.75;
}

.gru-hero .sub-intro {
  border-radius: 10px;
  box-shadow: 0px 30px 50px rgba(26, 31, 35, 0.07);  
}

@media (min-width: 992px) {
  .gru-hero .sub-intro {
    margin-bottom: -230px;
  }
}

.hero-mask {
  background-color: rgba(0,0,0,0.4);
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}


/* Features */
.gru-features-list {
  position: relative;
  padding-top: 64px;
  padding-bottom: 64px;
}

@media (max-width: 576px) {
  .gru-features-list {
    padding-top: 0;
    padding-bottom: 0;
  }
}

.gru-features-list .features-cover {
  border-radius: 8px;
  display: none;
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  overflow: hidden;  
}

@media (min-width: 768px) {
  .gru-features-list .features-cover {
    display: block;
  }
}

.gru-features-list .features-content {
  background-color: #fff;
  border-radius: 8px 0 0 8px;
  padding: 64px 24px;
  position: relative;
  z-index: 20;
}

@media (min-width: 992px) {
  .gru-features-list .features-content {
    background-color: rgba(255,255,255,0.95);
    padding: 64px 48px;
  }
}

[dir="rtl"] .gru-features-list .features-cover + .row {
    flex-direction: row-reverse;
  }


/* FEATURES COURSE */
.courses-heading .lead {
  width: 100%;
}

@media (min-width: 992px) {
  .courses-heading .lead {
    width: 50%;
  }
}

.guru-module-courses-horizontal .guru-courses-list  {
  grid-template-columns: repeat(1, 1fr);
  grid-gap: 2rem;
}

@media (min-width: 768px) {
  .guru-module-courses-horizontal .guru-courses-list  {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .guru-module-courses-horizontal .guru-courses-list  {
    grid-template-columns: repeat(3, 1fr);
  }
}

.guru-module-courses-horizontal .guru-courses-list .guru-course-item-inner {
  background: #fff;
  box-shadow: 0px 30px 50px -14px rgba(26, 31, 35, 0.07);
  border-radius: 6px;
  margin-bottom: 0;
  height: 100%;
  padding: 24px 24px 32px 24px !important;
  transition: all 0.25s ease-in-out;
}

.guru-module-courses-horizontal .guru-courses-list .guru-course-item-inner:hover {
  box-shadow: 0px 30px 50px -14px rgba(26, 31, 35, 0.17);
}

.guru-module-courses-horizontal .guru-courses-list .guru-mod--courses__item-title {
  font-size: 1.25rem;
  font-weight: 600;
  display: block;
  margin-bottom: 12px;
}

.guru-module-courses-horizontal .guru-courses-list .guru-mod--courses__item-desc > p {
  font-size: 1rem;
}

.navbar-brand img { height: 40px; width: auto; }

#myTab {
  border-bottom: 2px solid #d1d5db;
  margin-bottom: 8px;
}

#myTab li {
  padding: 0 8px;
}

#myTab .nav-link {
  border: 0;
  border-radius: 0;
  color: var(--body-text-color);
  font-size: 1rem;
  padding: 8px 0;
  position: relative;
  margin-bottom: -2px;
}

#myTab .nav-link::after {
  background: #6b7280;
  content: "";
  display: block;
  position: absolute;
  bottom: 0;
  height: 2px;
  left: 16px;
  opacity: 0;
  right: 16px;
  transition: all 0.25s ease;
}

#myTab .nav-link:hover::after {
  opacity: 1;
  left: 0;
  right: 0;
}

#myTab .nav-link.active {
  background: transparent;
  border: 0;
  color: var(--t4-primary);
}

#myTab .nav-link.active::after {
  background-color: var(--t4-primary);
  opacity: 1;
  left: 0;
  right: 0;
}

.guru-mod--courses__item-title {
  color: var(--body-text-color);
}

.guru-mod--courses__item-title:hover,
.guru-mod--courses__item-title:focus,
.guru-mod--courses__item-title:active {
  color: var(--body-link-hover-color);
}


/* Gru social list */
.gru-social-list {
  list-style: none;
}

.gru-social-list li {
  padding: 0 6px;
}

.gru-social-list li a {
  color: rgba(255,255,255, 1);
  font-size: 18px;
  opacity: .3;
}

.gru-social-list li a:hover,
.gru-social-list li a:focus,
.gru-social-list li a:active {
  opacity: 1;
}

.t4-offcanvas .t4-off-canvas-body .t4-module .module-inner {
  padding-left: 0;
  padding-right: 0;
}

.tag-category .filters {
  flex-wrap: wrap;
}

@media (max-width: 576px) {
  .tag-category .filters .input-group {
    margin-bottom: 16px;
  }
}

@media (max-width: 576px) {
  .gru-course-title {
    font-size: 24px;
  }

  #guru-component .moderm-layout .gru-cover-purchase-btn .btn {
    display: inline-block;
    font-size: 16px;
    width: auto
  }
}










/* 基础菜单样式 */
.custom-vertical-menu {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; /* 现代字体栈 */
  font-size: 1rem;
  line-height: 1.6;
  list-style: none;
  padding: 0;
  margin: 0;
}
 
/* 菜单项通用样式 */
.custom-vertical-menu li {
  padding: 8px 15px;
  border-bottom: 1px solid #f0f0f0; /* 分隔线 */
  transition: background 0.3s ease;
}
 
/* 未激活项样式 */
.custom-vertical-menu li a {
  color: #000; /* 黑色文字 */
  text-decoration: none;
  display: block;
  font-weight: 500; /* 中等字重 */
  letter-spacing: 0.3px;
}
 
/* 激活项样式 */
.custom-vertical-menu li.current  > a,
.custom-vertical-menu li.active  > a {
  color: #1a73e8; /* 谷歌蓝 */
  font-weight: 600;
  position: relative;
}
 
/* 激活项指示器 */
.custom-vertical-menu li.current  > a::before,
.custom-vertical-menu li.active  > a::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 70%;
  background: #1a73e8;
  border-radius: 0 4px 4px 0;
}
 
/* 悬停效果 */
.custom-vertical-menu li a:hover {
  color: #1a73e8;
  background: rgba(26, 115, 232, 0.05);
}
 
/* 子菜单样式 */
.custom-vertical-menu ul {
  padding-left: 20px;
  border-left: 1px dashed #e0e0e0;
}





.liuheng-breadcrumb .breadcrumb {
  background-color: #f8f9fa;
  padding: 10px 15px 10px 40px; /* 增加左侧padding给图标留空间 */
  border-radius: 4px;
  position: relative;
}
 
/* 添加Google定位图标（SVG背景） */
.liuheng-breadcrumb .breadcrumb::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'  viewBox='0 0 24 24' fill='%236c757d'%3E%3Cpath d='M12 2C8.13 2 5 5.13 5 9c0 5.25 7 13 7 13s7-7.75 7-13c0-3.87-3.13-7-7-7zm0 9.5c-1.38 0-2.5-1.12-2.5-2.5s1.12-2.5 2.5-2.5 2.5 1.12 2.5 2.5-1.12 2.5-2.5 2.5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-size: contain;
}
 
/* 其余样式保持不变 */
.liuheng-breadcrumb .breadcrumb li {
  display: inline-block;
  font-size: 14px;
}
 
.liuheng-breadcrumb .breadcrumb a {
  color: #007bff;
  text-decoration: none;
}
 
.liuheng-breadcrumb .breadcrumb a:hover {
  color: #0056b3;
  text-decoration: underline;
}
 
.liuheng-breadcrumb .breadcrumb .active {
  color: #6c757d;
  font-weight: 500;
}

.ja-toolbar-wrapper.toolbar-top { display: none !important; }




/* JA Megafilter — 产品卡片边框变白，内边距设为 0（覆盖规则） */

/* 主要卡片：白色边框，去掉内边距和阴影 */
.ja-products-wrapper .product-item,
.ja-products-wrapper .product-item .product-item-info,
.product-items .item.product {
  border: 1px solid #ffffff !important;   /* 白色边框 */
  padding: 0 !important;                  /* 去掉内边距 */
  box-shadow: none !important;            /* 去掉阴影 */
  background-color: transparent !important; /* 若需要白底改为 #ffffff */
}

/* 如果模板在 .product-item-info 内部对子元素做了 padding（如 title / price 等），去掉它们的额外 padding（谨慎） */
.ja-products-wrapper .product-item .product-item-info > * {
  padding: 0 !important;
  margin: 0 !important;
}

/* grid/list 视图的特殊处理（list 视图通常使用 border-bottom）*/
.ja-products-wrapper.list .list .product-item .product-item-info {
  border: 1px solid #ffffff !important;
  border-bottom: 1px solid #ffffff !important;
  padding-left: 0 !important;
  padding-right: 0 !important;
}

/* 悬停保持白边（避免 hover 改变为主题色）*/
.ja-products-wrapper .product-item .product-item-info:hover {
  border-color: #ffffff !important;
  box-shadow: none !important;
}

/* 如果需要商品缩略区与内容对齐（可选，去除图片周围间距） */
.ja-products-wrapper .product-item-photo,
.ja-products-wrapper .product-item-photo img {
  margin: 0 !important;
  padding: 0 !important;
  display: block;
  max-width: 100%;
}

/* 可选：如果希望卡片背景为白色（把卡片显著分隔开）则启用下面一行 */
// .ja-products-wrapper .product-item .product-item-info { background-color: #ffffff !important; }





/* JA Megafilter - 搜索按钮美化 */
#jamegafilter-search-btn,
#jamegafilter-search-btn a,
#jamegafilter-search-btn button,
#jamegafilter-search-btn input[type="button"],
#jamegafilter-search-btn input[type="submit"] {
  display: inline-block;
  background-color: #2196f3;          /* 主色背景 */
  color: #ffffff;                     /* 文本白色 */
  border: 1px solid #1976d2;          /* 深一点的边框色 */
  padding: 8px 16px;                  /* 内边距，可按需调整 */
  border-radius: 4px;                 /* 圆角 */
  font-weight: 600;
  text-decoration: none;
  line-height: 1;
  cursor: pointer;
  transition: background-color .18s ease, transform .08s ease, box-shadow .12s ease;
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
  -webkit-appearance: none;           /* 去除默认样式 */
  -moz-appearance: none;
}

/* 悬停 / 按下 / 聚焦 效果 */
#jamegafilter-search-btn:hover,
#jamegafilter-search-btn a:hover,
#jamegafilter-search-btn button:hover,
#jamegafilter-search-btn input[type="button"]:hover,
#jamegafilter-search-btn input[type="submit"]:hover {
  background-color: #1976d2;
  box-shadow: 0 4px 12px rgba(25,118,210,0.12);
  transform: translateY(-1px);
}

#jamegafilter-search-btn:active,
#jamegafilter-search-btn a:active,
#jamegafilter-search-btn button:active,
#jamegafilter-search-btn input[type="button"]:active,
#jamegafilter-search-btn input[type="submit"]:active {
  transform: translateY(0);
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

/* 键盘聚焦时显示明显轮廓（可访问性） */
#jamegafilter-search-btn:focus,
#jamegafilter-search-btn a:focus,
#jamegafilter-search-btn button:focus,
#jamegafilter-search-btn input[type="button"]:focus,
#jamegafilter-search-btn input[type="submit"]:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(33,150,243,0.18);
}

/* 如果按钮文本较小或在行内对齐需要垂直居中 */
#jamegafilter-search-btn > * {
  vertical-align: middle;
}

/* 如果你有暗色主题需要白底按钮反色（可选）*/
.ja-megafilter-wrap.dark-theme #jamegafilter-search-btn,
.ja-megafilter-wrap.dark-theme #jamegafilter-search-btn a {
  background-color: #ffffff;
  color: #1976d2;
  border-color: #e0e0e0;
}







.jianjie {
  position: relative;
  /* 基底纸色（fallback） */
  background-color: none;

 }