/* 博客页面样式 */

.blog-hero {
  background:
    radial-gradient(ellipse at top, rgba(200, 149, 109, 0.15) 0%, transparent 50%),
    var(--bg);
  padding: 140px 0 60px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.blog-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 600;
  color: var(--cream);
  margin: 16px 0 20px;
  letter-spacing: -0.01em;
}
.blog-sub {
  font-size: clamp(15px, 1.4vw, 18px);
  color: var(--white-60);
  margin-bottom: 12px;
}
.blog-keyline {
  font-size: 14px;
  color: var(--white-60);
}
.blog-keyline strong { color: var(--warm); font-weight: 500; }

/* 分类筛选 */
.blog-cats {
  background: var(--bg-2);
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 64px;
  z-index: 10;
  backdrop-filter: blur(10px);
}
.cat-pills {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.cat-pill {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--white-60);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 20px;
  border-radius: 100px;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  letter-spacing: 0.05em;
}
.cat-pill:hover {
  border-color: var(--warm);
  color: var(--cream);
}
.cat-pill.active {
  background: var(--warm);
  border-color: var(--warm);
  color: var(--bg);
  font-weight: 600;
}

/* 文章列表 */
.blog-list {
  background: var(--bg);
  padding: 80px 0;
}
.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.post-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  text-decoration: none;
  transition: all 0.4s var(--ease);
  position: relative;
}
.post-card:hover {
  border-color: var(--warm);
  background: var(--bg-3);
  transform: translateY(-4px);
}
.post-card.hidden { display: none; }

.post-cover {
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--bg-3) center/cover no-repeat;
  position: relative;
  overflow: hidden;
}
.post-cover-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s var(--ease);
}
.post-card:hover .post-cover-image { transform: scale(1.03); }
.post-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.6));
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  z-index: 1;
}
.post-card:hover .post-cover::after { opacity: 1; }

.post-cat {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px);
  color: var(--warm);
  font-size: 11px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 100px;
  letter-spacing: 0.1em;
  border: 1px solid rgba(200, 149, 109, 0.3);
  z-index: 2;
}
.post-body {
  padding: 24px 24px 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.post-title {
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--cream);
  line-height: 1.4;
  margin-bottom: 12px;
  font-weight: 600;
}
.post-card:hover .post-title { color: var(--amber); }
.post-excerpt {
  font-size: 13px;
  color: var(--white-60);
  line-height: 1.7;
  margin-bottom: 20px;
  flex: 1;
}
.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--white-60);
  padding-top: 16px;
  border-top: 1px solid var(--border);
  letter-spacing: 0.05em;
}
.post-meta .dot { opacity: 0.4; }
.post-meta .post-arrow {
  margin-left: auto;
  color: var(--warm);
  font-size: 16px;
  transition: transform 0.3s var(--ease);
}
.post-card:hover .post-arrow { transform: translateX(4px); }

/* 侧栏 CTA */
.blog-cta {
  background:
    radial-gradient(ellipse at center, rgba(200, 149, 109, 0.10) 0%, transparent 60%),
    var(--bg-2);
  padding: 80px 0;
  border-top: 1px solid var(--border);
}
.blog-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}
.blog-cta-inner h2 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 36px);
  color: var(--cream);
  margin-bottom: 8px;
  font-weight: 600;
}
.blog-cta-inner h2 em { color: var(--amber); font-style: normal; }
.blog-cta-inner p {
  font-size: 14px;
  color: var(--white-60);
  margin: 0;
}
.blog-cta-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* 响应式 */
@media (max-width: 1024px) {
  .post-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .post-grid { grid-template-columns: 1fr; }
  .blog-cta-inner { flex-direction: column; align-items: flex-start; }
}