html {
  scroll-behavior: smooth;
}

.home-container {
  width: 100%;
  overflow-x: hidden;
}

.hero-section {
  width: 100%;
  min-height: 60vh;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.slide {
  width: 100%;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.slide1 {
  background-image: var(--platform-hero-image);
}

.slide-content {
  position: relative;
  width: 100%;
  max-width: 900px;
  overflow-wrap: anywhere;
  text-align: center;
  color: white;
  z-index: 10;
}

.slide-title {
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 2rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.slide-btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--platform-brand-gradient);
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-size: 1.2rem;
  font-weight: bold;
  transition: all 0.3s ease;
}

.slide-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  color: white;
  text-decoration: none;
}

/* 关于我们部分样式 */
.about-section {
  padding: 80px 0;
  background-color: var(--platform-background);
  scroll-margin-top: var(--platform-header-height);
}

/* 正文占首行，统计占下一行；图片跨两行，使统计只覆盖图片而不遮挡正文。 */
.about-content {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: auto auto;
  column-gap: 40px;
  row-gap: 32px;
  isolation: isolate;
}

.about-left {
  grid-column: 1;
  grid-row: 1;
  min-width: 0;
  align-self: start;
  overflow-wrap: anywhere;
}

.about-right {
  grid-column: 2;
  grid-row: 1 / 3;
  min-width: 0;
  min-height: 480px;
  position: relative;
  z-index: 0;
}

.about-title {
  font-size: 1.5rem;
  color: var(--platform-text);
  margin-bottom: 10px;
  font-weight: 500;
}

.about-subtitle {
  font-size: 2rem;
  color: var(--platform-heading);
  margin-bottom: 30px;
  font-weight: bold;
}

.about-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--platform-text);
  text-align: justify;
}

.about-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.about-stats {
  grid-column: 1 / -1;
  grid-row: 2;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  position: relative;
  z-index: 2;
  width: 90%;
  align-self: start;
  background-color: rgba(255, 255, 255, 0.9);
  padding: 24px;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  margin-bottom: 32px;
}

.stat-item {
  text-align: center;
  min-width: 0;
  overflow-wrap: anywhere;
  padding: 20px 12px;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.stat-item:hover {
  background: var(--platform-brand-gradient);
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.stat-item:hover .stat-number,
.stat-item:hover .stat-label {
  color: white;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--platform-primary);
  margin-bottom: 10px;
  transition: color 0.3s ease;
}

.stat-label {
  font-size: 1rem;
  color: var(--platform-text);
  transition: color 0.3s ease;
}

/* 信息发布部分样式 */
.information-section {
  padding: 80px 0;
  background-color: var(--platform-information-background);
}

.information-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 30px;
  position: relative;
}

.information-title {
  font-size: 1.5rem;
  color: var(--platform-text);
  margin-bottom: 10px;
  font-weight: 500;
}

.information-subtitle {
  font-size: 2rem;
  color: var(--platform-heading);
  margin-bottom: 20px;
  font-weight: bold;
}

.information-more {
  position: absolute;
  bottom: 0;
  right: 0;
  padding: 8px 20px;
  background: var(--platform-brand-gradient);
  color: white;
  text-decoration: none;
  border-radius: 5px;
  font-size: 0.9rem;
  font-weight: bold;
  transition: all 0.3s ease;
  margin-bottom: 30px;
}

.information-more:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  color: white;
  text-decoration: none;
}

.information-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
}

.information-item {
  background-color: var(--platform-surface);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.information-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.information-item.active {
  border: 2px solid var(--platform-primary);
}

.information-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.information-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.information-item:hover .information-image img {
  transform: scale(1.05);
}

.information-content {
  padding: 20px;
  position: relative;
}

.information-item-title {
  font-size: 1.1rem;
  font-weight: bold;
  color: var(--platform-heading);
  margin-bottom: 15px;
  line-height: 1.4;
}

.information-date {
  font-size: 0.9rem;
  color: var(--platform-muted);
  margin-bottom: 10px;
}

.information-link {
  position: absolute;
  bottom: 15px;
  right: 20px;
  width: 20px;
  height: 20px;
  background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="%23666" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="5" y1="12" x2="19" y2="12"></line><polyline points="12 5 19 12 12 19"></polyline></svg>');
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  transition: transform 0.3s ease;
}

.information-item:hover .information-link {
  transform: translateX(5px);
}

/* 响应式设计 */
@media (max-width: 991.98px) {
  .about-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .about-content {
    grid-template-columns: minmax(0, 1fr);
    grid-template-rows: auto 180px auto;
    column-gap: 0;
    row-gap: 24px;
  }

  .about-right {
    grid-column: 1;
    grid-row: 2 / 4;
    min-height: 0;
  }

  .about-stats {
    grid-column: 1;
    grid-row: 3;
    width: calc(100% - 32px);
    justify-self: center;
    padding: 16px;
    margin-bottom: 24px;
  }

  .stat-item {
    padding: 16px 8px;
  }

  .stat-number {
    font-size: clamp(1.5rem, 6vw, 2rem);
  }
  
  .information-header {
    align-items: flex-start;
  }
  
  .information-more {
    position: relative;
    top: auto;
    right: auto;
    margin-top: 20px;
    align-self: flex-start;
  }
  
  .information-grid {
    grid-template-columns: 1fr;
  }
}