/* ============================================
   About Us - 3 Cards Layout (Same as DE site)
   Theme Color: #B96809 (Dark Orange/Brown)
   ============================================ */

/* 卡片容器 - 三列并排 */
.cards-container {
  display: flex;
  gap: 24px;
  justify-content: center;
  padding: 40px 20px 20px;
  flex-wrap: wrap;
}

/* 单个卡片 - 与德语站 kche-t124 风格一致 */
.info-card {
  flex: 1;
  min-width: 220px;
  max-width: 320px;
  position: relative;
  overflow: hidden;
  border-radius: 5px;
  box-sizing: border-box;
  padding: 20px;
  /* 背景色 - 主题色20%透明度 */
  background-color: rgba(185, 104, 9, 0.2);
  transition: all 0.4s ease;
}

/* 卡片内部信息容器 */
.card-info {
  position: relative;
  padding: 20px;
  height: 100%;
  width: 100%;
  box-sizing: border-box;
}

/* 边框动画 - 水平展开 */
.card-before {
  border-top: 1px solid #fff;
  border-bottom: 1px solid #fff;
  height: 98.5%;
  width: 98.5%;
  position: absolute;
  left: 1%;
  top: 1%;
  opacity: 0;
  transform: scaleX(0);
  transition: all 0.4s ease;
}

/* 边框动画 - 垂直展开 */
.card-after {
  border-left: 1px solid #fff;
  border-right: 1px solid #fff;
  position: absolute;
  left: 1%;
  top: 1%;
  height: 98.5%;
  width: 98.5%;
  opacity: 0;
  transform: scaleY(0);
  transition: all 0.4s ease;
}

/* 悬停时边框动画 */
.info-card:hover .card-before {
  opacity: 1;
  transform: scaleX(1);
}

.info-card:hover .card-after {
  opacity: 1;
  transform: scaleY(1);
}

/* 悬停时背景加深 */
.info-card:hover {
  background-color: rgba(185, 104, 9, 0.8);
}

/* 图标区域 */
.card-icon {
  width: 50px;
  height: 50px;
  background-color: #B96809;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  color: #fff;
  margin-bottom: 15px;
}

.card-icon em {
  font-size: 36px;
}

.card-icon svg {
  display: block;
  margin: 0 auto;
}

/* 标题 */
.card-title {
  font-size: var(--fontsize18);
  font-weight: var(--fontbold6);
  color: var(--fontcolor);
  margin: 0 0 10px 0;
  padding: 0;
  text-transform: capitalize;
  position: relative;
  z-index: 9;
  transition: all 0.4s ease;
}

/* 描述文字 */
.card-text {
  font-size: var(--fontsize16);
  font-weight: var(--fontbold4);
  color: var(--introcolor);
  line-height: 1.7;
  margin: 0;
  position: relative;
  z-index: 9;
  transition: all 0.4s ease;
}

/* 悬停时文字变白 */
.info-card:hover .card-title,
.info-card:hover .card-text {
  color: #fff;
}

.card-text p {
  margin: 0;
}

/* About Us 描述区 */
.about-description {
  max-width: 900px;
  margin: 40px auto 60px;
  padding: 0 20px;
  text-align: center;
}

.about-description h2 {
  font-size: var(--fontsize24);
  color: var(--fontcolor);
  margin: 0 0 20px 0;
  text-transform: capitalize;
}

.about-description p {
  font-size: var(--fontsize16);
  font-weight: var(--fontbold4);
  color: var(--introcolor);
  line-height: 1.8;
  margin: 0 0 16px 0;
}

/* 移动端适配 */
@media (max-width: 1024px) {
  .cards-container {
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .cards-container {
    flex-direction: column;
    align-items: center;
    padding: 24px 16px 10px;
    gap: 16px;
  }

  .info-card {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    padding: 15px;
    margin-bottom: 20px;
  }

  .info-card:last-child {
    margin-bottom: 0;
  }

  .card-info {
    padding: 15px 20px;
  }

.card-title {
  font-size: var(--fontsize18);
}

.card-text {
  font-size: var(--fontsize14);
}

  .about-description {
    margin: 24px auto 40px;
    padding: 0 16px;
  }

.about-description h2 {
  font-size: var(--fontsize20);
}

.about-description p {
  font-size: var(--fontsize14);
  font-weight: var(--fontbold4);
}
}

@media (max-width: 500px) {
  .info-card {
    padding: 10px;
  }

  .card-info {
    padding: 10px 15px;
  }

  .card-icon {
    width: 40px;
    height: 40px;
  }

  .card-icon em {
    font-size: 26px;
  }

  .card-icon svg {
    width: 28px;
    height: 28px;
  }
}