* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Roboto", sans-serif;
}

a {
  text-decoration: none;
}

body {
  background-color: #f0f0f0;
  color: #333;
  font-size: 16px;
}

.container {
  width: 80%;
  margin: 0 auto;
}

.flex {
  display: flex;
}

.app-content {
  max-width: 1200px;
  width: calc(100% - 40px);
  margin: 0 auto;
}

/* 面包屑样式 */
#crumbs, #crumbsTab {
  font-family: PingFang SC, PingFang SC;
  font-size: 14px;
  color: #9c9c9c;
  margin-bottom: 24px;
}

#crumbsTab {
  display: none;
}

#crumbs a, #crumbsTab a {
  color: #9c9c9c;
}

#crumbs a:not(:last-child)::after,
#crumbsTab a:not(:last-child)::after {
  content: "/";
  margin: 5px;
}

#crumbs a.active,
#crumbsTab a.active {
  color: #b01e22;
}

/* 文本超出显示 */
.oneDot {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.twoDot {
  display: -webkit-box;
  overflow: hidden;
  white-space: normal !important;
  text-overflow: ellipsis;
  word-wrap: break-word;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.threeDot {
  display: -webkit-box;
  overflow: hidden;
  white-space: normal !important;
  text-overflow: ellipsis;
  word-wrap: break-word;
  line-clamp: 3;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}

.fourDot {
  display: -webkit-box;
  overflow: hidden;
  white-space: normal !important;
  text-overflow: ellipsis;
  word-wrap: break-word;
  line-clamp: 4;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}

/* PC尺寸 */
@media (min-width: 961px) {
  .Pad-size {
    display: none !important;
  }
  .Phone-size {
    display: none !important;
  }
}

/* 平板尺寸 */
@media (min-width: 430px) and (max-width: 961px) {
  .PC-size {
    display: none !important;
  }
  .Pad-size {
    display: block !important;
  }
  .Phone-size {
    display: none !important;
  }
}

/* 手机尺寸 */
@media (max-width: 431px) {
  .Phone-size {
    display: block !important;
  }
  .Pad-size {
    display: none !important;
  }
  .PC-size {
    display: none !important;
  }
}


.back-button-container {
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid #f0f0f0;
}
.back-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: #f5f5f5;
  border: 1px solid #ddd;
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  color: #666;
  transition: all 0.3s;
}
.back-btn:hover {
  border-color: #173386;
  color: #173386;
}