.hero-section {
  background: var(--gradient-hero);
  color: var(--color-surface);
  padding: 140px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 50%, color-mix(in srgb, var(--color-surface) 10%, transparent) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, color-mix(in srgb, var(--color-surface) 8%, transparent) 0%, transparent 40%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.hero-content .subtitle {
  font-size: 16px;
  margin-bottom: 12px;
  opacity: 0.95;
  font-weight: 300;
}

.hero-content .description {
  font-size: 15px;
  max-width: 800px;
  margin: 0 auto;
  opacity: 0.9;
  line-height: 1.8;
}

@media (max-width: 768px) {
  .hero-section {
    padding: 120px 0 80px;
  }

  .hero-content h1 {
    font-size: 28px;
    letter-spacing: 1px;
  }

  .hero-content .subtitle {
    font-size: 14px;
  }

  .hero-content .description {
    font-size: 14px;
  }
}

.news-list-section {
  background: var(--color-bg);
  padding: 80px 0;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-bottom: 60px;
}

.news-item {
  background: var(--color-surface);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--shadow);
  transition: all 0.2s;
  border: 1px solid var(--border-color);
  border-left: 2px solid var(--color-primary);
  cursor: pointer;
}

.news-item:hover {
  box-shadow: var(--shadow-hover);
}

.news-category {
  display: inline-block;
  background: var(--gradient-hero);
  color: var(--color-surface);
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}

.news-title {
  font-size: 28px;
  margin-bottom: 16px;
  color: var(--color-text);
  line-height: 1.4;
}

.news-excerpt {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.news-date {
  font-size: 15px;
  color: var(--color-text-muted);
}

.news-link {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

.news-link:hover {
  color: var(--color-cta);
}

@media (max-width: 768px) {
  .news-item {
    padding: 24px;
  }

  .news-title {
    font-size: 22px;
  }

  .news-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.pagination-btn {
  min-width: 44px;
  min-height: 44px;
  padding: 12px 20px;
  border: 1px solid var(--border-color);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: 8px;
  font-weight: 400;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 0.02em;
}

.pagination-btn:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.pagination-btn.active {
  background: var(--color-primary);
  color: var(--color-surface);
  border-color: var(--color-primary);
}

/* 标签筛选 */
.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 40px;
  padding: 20px 0;
}

.tag-filter button {
  padding: 10px 24px;
  border: 2px solid var(--color-border);
  background: #ffffff;
  color: var(--color-text);
  border-radius: 24px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.tag-filter button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 135, 66, 0.15);
}

.tag-filter button.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(255, 135, 66, 0.3);
}

@media (max-width: 768px) {
  .tag-filter {
    gap: 8px;
  }

  .tag-filter button {
    padding: 8px 16px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .tag-filter button {
    padding: 6px 12px;
    font-size: 13px;
  }
}