/**
 * 世界时间组件 - HTML部分开始
 */
.world-time-content{
    width: 100%;
    padding: 0px 0px 0px;
    margin-bottom: 0px;
}
#time-display {
    display:flex;
    flex-wrap:wrap;
    justify-content:space-around;
    align-items:center;
    font-size:0.8em;
    width:100%;
}
@media (max-width: 600px) {
    #time-display {
        display: none;
    }
}
#time-display p {
    margin: 0 10px;
}
.flag {
    height: 20px;
    width: 30px;
    margin-right: 5px;
    color:#fff;
}
#time-display img {
    width: 26px;
    height: 16px;
    margin-right: 8px;
    vertical-align: middle;
}

.world-time-content .world-time {
    font-size: 13px;
    display: flex;
    flex-wrap: wrap;
    margin-bottom: 7px;
    margin-top: 7px;
    justify-content: space-between;
    position: relative;
    z-index: 999;
    padding: 5px 0;
}
/**
 * 世界时间组件 - HTML部分结束
 */
/**
 * TikTok学习专区专用css开始
 */
#tiktok-study-area {
  --tiktok-red: #fe2c55;
  --tiktok-black: #161823;
  --tiktok-light-gray: #f8f8f8;
  --tiktok-hover-bg: rgba(254, 44, 85, 0.1);
  --tiktok-shadow: 0 5px 15px rgba(254, 44, 85, 0.15);
  --tiktok-card-radius: 12px;
  --tiktok-transition: all 0.3s ease;
}

#tiktok-study-area {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  padding-bottom: 30px;
}

#tiktok-study-area .page-title {
  position: relative;
  padding-left: 15px;
  margin-bottom: 20px;
  font-weight: 600;
}

#tiktok-study-area .page-title:before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 5px;
  height: 25px;
  background-color: var(--tiktok-red);
  border-radius: 3px;
}

#tiktok-study-area .slider_menu .nav-link {
  border-radius: 20px;
  padding: 0.5rem 1.2rem;
  font-weight: 600;
  transition: var(--tiktok-transition);
  margin: 0 5px;
  cursor: pointer;
}

#tiktok-study-area .slider_menu .nav-link.active {
  background-color: var(--tiktok-red);
  color: white !important;
  box-shadow: 0 4px 8px rgba(254, 44, 85, 0.3);
}

#tiktok-study-area .slider_menu .nav-link:hover:not(.active) {
  background-color: var(--tiktok-hover-bg);
  color: var(--tiktok-red) !important;
}

#tiktok-study-area .tab-pane {
  display: none;
}

#tiktok-study-area .tab-pane.active {
  display: block;
}

#tiktok-study-area .z-site-card {
  transition: var(--tiktok-transition);
  border-radius: var(--tiktok-card-radius);
  margin-bottom: 15px;
  cursor: pointer;
  border: 1px solid rgba(0,0,0,0.08);
  overflow: hidden;
  position: relative;
}

#tiktok-study-area .z-site-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--tiktok-shadow);
  background-color: #f1404b;
}

#tiktok-study-area .z-site-categorysite {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 5px;
  font-size: 14px;
  color: #8a8a8a;
}

#tiktok-study-area .z-site-categorysite span {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 5px;
}

#tiktok-study-area .z-site-categorysite i {
  color: var(--tiktok-red);
  margin-left: 5px;
  transition: var(--tiktok-transition);
  flex-shrink: 0;
  position: relative;
  right: -5px;
  opacity: 0.6;
}

#tiktok-study-area .z-site-card:hover .z-site-categorysite {
  color: #FFF;
}

#tiktok-study-area .z-site-card:hover .z-site-categorysite span {
  color: #FFF;
}

#tiktok-study-area .z-site-card:hover .z-site-categorysite i {
  color: #FFF;
  opacity: 1;
  right: 0;
}

#tiktok-study-area .studt-card .card {
  border-radius: 10px;
  transition: var(--tiktok-transition);
  margin-bottom: 12px;
  border: 1px solid rgba(0,0,0,0.08);
}

#tiktok-study-area .studt-card .card:hover {
  transform: translateY(-3px);
  box-shadow: var(--tiktok-shadow);
}

#tiktok-study-area .studt-card .url-body .card-body {
  padding: 8px 10px;
}

#tiktok-study-area .url-img.rounded-circle {
  margin-right: 10px !important;
  background-color: transparent;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  min-width: 30px;
  border-radius: 0;
}

#tiktok-study-area .url-img.rounded-circle img {
  width: 24px;
  height: 24px;
  object-fit: contain;
  transform: none !important;
  filter: none !important;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
  -webkit-backface-visibility: hidden;
  backface-visibility: hidden;
  -webkit-transform: translateZ(0) scale(1.0, 1.0);
  transform: translateZ(0) scale(1.0, 1.0);
}

#tiktok-study-area .text-sm.overflowClip_1 {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
  display: block;
  font-size: 0.85rem;
  line-height: 1.2;
}

#tiktok-study-area .url-info {
  width: calc(100% - 40px);
}

#tiktok-study-area .item {
  padding: 10px;
  text-align: center;
  font-size: .8rem;
}

#tiktok-study-area .item img {
  width: 60%;
  border-radius: 5px;
  margin-bottom: 10px;
  transition: transform 0.3s ease;
}

#tiktok-study-area .item img:hover {
  transform: scale(1.05);
}

#tiktok-study-area .indtext {
  height: 45px;
  font-size: 14px !important;
  font-weight: bold;
}

#tiktok-study-area .btn-dark {
  background-color: #696969;
}

#tiktok-study-area .study-list .z-site-categorysite {
  font-size: 16px;
  margin-top: -1px;
}

#tiktok-study-area .study-list .io {
  position: absolute;
  font-size: 40px;
  top: 10px;
  right: -10px;
  opacity: 0.09;
}

#tiktok-study-area .zeromo-site-category .z-site-card .z-site-category .z-site-categorysite .io {
  position: absolute;
  font-size: 80px;
  top: 8px;
  right: -25px;
  opacity: 0.09;
  transition: var(--tiktok-transition);
}

#tiktok-study-area .zeromo-site-category .z-site-card:hover .z-site-category .z-site-categorysite .io {
  opacity: 0.3;
  right: -15px;
}

/* 响应式布局设置 */
/* 大型设备 (≥1200px): 每行8个 */
@media (min-width: 1200px) {
  .col-lg-custom {
    -ms-flex: 0 0 12.5%;
    flex: 0 0 12.5%;
    max-width: 12.5%;
  }
}

/* 中型设备 (992px-1199px): 每行4个 */
@media (min-width: 992px) and (max-width: 1199.98px) {
  .col-lg-custom {
    -ms-flex: 0 0 25%;
    flex: 0 0 25%;
    max-width: 25%;
  }
}

/* 平板设备 (768px-991px): 每行4个 */
@media (min-width: 768px) and (max-width: 991.98px) {
  .col-lg-custom {
    -ms-flex: 0 0 25%;
    flex: 0 0 25%;
    max-width: 25%;
  }
}

/* 手机设备 (<768px): 每行2个 */
@media (max-width: 767.98px) {
  .col-lg-custom {
    -ms-flex: 0 0 50%;
    flex: 0 0 50%;
    max-width: 50%;
  }
  
  /* 调整移动端字体大小 */
  #tiktok-study-area .z-site-categorysite {
    font-size: 13px;
  }
  
  #tiktok-study-area .indtext {
    font-size: 12px !important;
  }
}

/* 文章卡片响应式设置 */
@media (max-width: 1199.98px) {
  #tiktok-study-area .url-card.studt-card {
    flex: 0 0 25%;
    max-width: 25%;
  }
  
  #tiktok-study-area .url-img.rounded-circle {
    width: 28px;
    height: 28px;
    min-width: 28px;
  }
  
  #tiktok-study-area .url-img.rounded-circle img {
    width: 22px;
    height: 22px;
  }
  
  #tiktok-study-area .url-info {
    width: calc(100% - 38px);
  }
}

@media (max-width: 991.98px) {
  #tiktok-study-area .url-card.studt-card {
    flex: 0 0 33.333%;
    max-width: 33.333%;
  }
  
  #tiktok-study-area .url-img.rounded-circle {
    width: 26px;
    height: 26px;
    min-width: 26px;
  }
  
  #tiktok-study-area .url-img.rounded-circle img {
    width: 20px;
    height: 20px;
  }
  
  #tiktok-study-area .url-info {
    width: calc(100% - 36px);
  }
}

@media (max-width: 767.98px) {
  #tiktok-study-area .url-card.studt-card {
    flex: 0 0 50%;
    max-width: 50%;
  }
  
  #tiktok-study-area .slider_menu .nav-link {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
  }
  
  #tiktok-study-area .url-img.rounded-circle {
    width: 24px;
    height: 24px;
    min-width: 24px;
    margin-right: 8px !important;
  }
  
  #tiktok-study-area .url-img.rounded-circle img {
    width: 18px;
    height: 18px;
  }
  
  #tiktok-study-area .url-info {
    width: calc(100% - 32px);
  }
  
  #tiktok-study-area .text-sm.overflowClip_1 {
    font-size: 0.82rem;
  }
}

@media (max-width: 575.98px) {
  #tiktok-study-area .col-custom-5 {
    flex: 0 0 20%;
    max-width: 20%;
  }
  
  #tiktok-study-area .item img {
    width: 80%;
  }
  
  #tiktok-study-area .text-sm.overflowClip_1 {
    font-size: 0.8rem;
  }
  
  #tiktok-study-area .studt-card .url-body .card-body {
    padding: 6px 8px;
  }
  
  #tiktok-study-area .url-img.rounded-circle {
    width: 22px;
    height: 22px;
    min-width: 22px;
    padding: 0;
  }
  
  #tiktok-study-area .url-img.rounded-circle img {
    width: 16px;
    height: 16px;
  }
  
  #tiktok-study-area .url-info {
    width: calc(100% - 30px);
  }
  
  #tiktok-study-area .slider_menu .nav-link {
    padding: 0.35rem 0.7rem;
    font-size: 0.8rem;
    margin: 0 3px;
  }
}

/* 保持特定元素的网格布局 */
.custom-grid-preserved.col-lg-custom {
  -ms-flex: 0 0 12.5% !important;
  flex: 0 0 12.5% !important;
  max-width: 12.5% !important;
}

/* 暗黑模式适配 */
.io-black-mode #tiktok-study-area .page-title {
  color: #f1f1f1;
}

.io-black-mode #tiktok-study-area .z-site-card {
  background-color: #232323;
  border-color: #383838;
}

.io-black-mode #tiktok-study-area .z-site-categorysite {
  color: #b8b8b8;
}

.io-black-mode #tiktok-study-area .z-site-card:hover {
  background-color: #f1404b;
}

.io-black-mode #tiktok-study-area .z-site-card:hover .z-site-categorysite,
.io-black-mode #tiktok-study-area .z-site-card:hover .z-site-categorysite span {
  color: #ffffff;
}

.io-black-mode #tiktok-study-area .studt-card .card {
  background-color: #232323;
  border-color: #383838;
}

.io-black-mode #tiktok-study-area .text-sm.overflowClip_1 {
  color: #e0e0e0;
}

/* 高分辨率屏幕优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  #tiktok-study-area .url-img.rounded-circle img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* 打印样式 */
@media print {
  #tiktok-study-area {
    background: white !important;
    color: black !important;
  }
  
  #tiktok-study-area .slider_menu,
  #tiktok-study-area .z-site-card {
    display: none !important;
  }
  
  #tiktok-study-area .tab-pane {
    display: block !important;
  }
}
/**
 * TikTok学习专区专用css结束
 */