/* ========================================
   博客文章区块样式
   ======================================== */

/* 博客区块主容器 */
.blog-section {
  background-size: cover;
  background-position: center;
  padding: 100px 0;
  position: relative;
}

.blog-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(235, 233, 227, 0.95);
  z-index: 1;
}

.blog-section .container {
  position: relative;
  z-index: 2;
}

.blog-section .section-tag {
  color: var(--color-primary);
}

.blog-section .section-title {
  color: var(--color-secondary);
  margin-bottom: 60px;
}

/* 博客网格 */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

/* 博客卡片 */
.blog-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* 博客图片 */
.blog-image {
  position: relative;
  height: 240px;
  background: #f1f1f1;
  overflow: hidden;
}

.blog-image a {
  display: block;
  width: 100%;
  height: 100%;
}

.blog-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-slow);
}

.blog-card:hover .blog-image img {
  transform: scale(1.08);
}

/* 博客内容 */
.blog-content {
  padding: 32px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* 博客日期 */
.blog-date {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-lighter);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
}

/* 博客标题 */
.blog-title {
  font-size: var(--text-xl);
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: 1.4;
  margin-bottom: 16px;
}

.blog-title a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: var(--transition-base);
}

.blog-title a:hover {
  color: var(--color-primary);
}

/* 博客摘要 */
.blog-excerpt {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 24px;
  flex: 1;
}

/* 阅读更多链接 */
.blog-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: var(--transition-base);
}

.blog-link:hover {
  gap: 12px;
  color: var(--color-secondary);
}

/* ========================================
   CTA区块样式
   ======================================== */

/* CTA主容器 */
.cta-section {
  background: var(--color-secondary);
  padding: 100px 0;
  position: relative;
  text-align: center;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: var(--text-5xl);
  font-family: var(--font-heading);
  font-weight: var(--font-bold);
  line-height: 1.3;
  color: var(--color-white);
  margin-bottom: 24px;
}

.cta-text {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 40px;
}

.btn-large {
  padding: 16px 48px;
  font-size: var(--text-lg);
}

/* ========================================
   Newsletter区块样式
   ======================================== */

/* Newsletter主容器 */
.newsletter-section {
  background: var(--color-bg);
  padding: 80px 0;
  position: relative;
}

.newsletter-content {
  display: flex;
  align-items: center;
  gap: 60px;
  max-width: 1180px;
  margin: 0 auto;
}

.newsletter-left {
  flex: 1;
}

.newsletter-left .section-tag {
  color: var(--color-primary);
  margin-bottom: 16px;
}

.newsletter-left .section-title {
  font-size: var(--text-4xl);
  color: var(--color-secondary);
  margin-bottom: 16px;
}

.newsletter-text {
  font-size: var(--text-base);
  color: var(--color-text);
  line-height: 1.7;
}

.newsletter-right {
  flex: 1;
  max-width: 500px;
}

/* Newsletter表单 */
.newsletter-form {
  display: flex;
  gap: 12px;
  background: var(--color-white);
  padding: 8px;
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

.newsletter-input {
  flex: 1;
  border: none;
  padding: 14px 20px;
  font-size: var(--text-base);
  font-family: var(--font-body);
  color: var(--color-text);
  background: transparent;
  outline: none;
}

.newsletter-input::placeholder {
  color: var(--color-text-lighter);
}

.newsletter-form .btn-primary {
  flex-shrink: 0;
  white-space: nowrap;
}

/* ========================================
   响应式 - 平板
   ======================================== */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .blog-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .cta-title {
    font-size: var(--text-5xl);
  }
}

/* ========================================
   响应式 - 手机
   ======================================== */
@media (max-width: 768px) {
  .blog-section,
  .cta-section {
    padding: 60px 0;
  }

  .blog-grid {
    grid-template-columns: 1fr;
  }

  .blog-header-text .section-title {
    font-size: var(--text-3xl);
  }

  .blog-image {
    height: 200px;
  }

  .cta-title {
    font-size: var(--text-4xl);
  }

  .cta-description {
    font-size: var(--text-md);
  }

  .cta-buttons {
    flex-direction: column;
    gap: 16px;
  }

  .cta-buttons .btn-primary,
  .cta-buttons .btn-gold {
    width: 100%;
    max-width: 280px;
  }
}