/* ===================================================================
   心芽主题 - 移动优先响应式 CSS
   设计原则: mobile-first, 不依赖媒体查询除非必要
   =================================================================== */

/* === 全局基线 === */
:root {
  --color-bg: #F7F4EF;
  --color-surface: #FFFFFF;
  --color-primary: #2D5A4A;
  --color-primary-light: #3A7A64;
  --color-accent: #C8875A;
  --color-accent-light: #E8B89A;
  --color-text: #1A1A1A;
  --color-text-secondary: #5C5C5C;
  --color-text-muted: #9A9A9A;
  --color-border: #E2DDD6;
  --font-serif: 'Noto Serif SC', Georgia, serif;
  --font-sans: 'Noto Sans SC', -apple-system, sans-serif;
}

/* === Body === */
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

/* === Header 粘性导航 === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 244, 239, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 0;
}

.site-header .wp-block-group {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 56px;
  gap: 16px;
}

/* Logo */
.site-header .wp-block-site-title {
  font-family: var(--font-serif);
  font-size: 1.1rem !important;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}

.site-header p:first-child {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
}

/* === 导航 - 桌面显示，移动端隐藏用汉堡 === */
.site-header .wp-block-navigation {
  display: flex !important;
  gap: 24px;
}

.site-header .wp-block-navigation-link a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

.site-header .wp-block-navigation-link a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

/* 移动端汉堡菜单 */
.wp-block-navigation-responsive-container-open {
  display: none !important;
}

.wp-block-navigation-responsive-container {
  display: block !important;
}

/* === 移动端导航菜单 === */
@media (max-width: 768px) {
  .site-header .wp-block-group {
    padding: 0 16px;
    gap: 12px;
  }

  .site-header .wp-block-site-title {
    font-size: 1rem !important;
  }

  /* 隐藏桌面导航，显示汉堡 */
  .site-header .wp-block-navigation {
    display: none !important;
  }

  .wp-block-navigation-responsive-container-open {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: var(--color-primary);
  }

  .wp-block-navigation-responsive-container-open svg {
    width: 24px;
    height: 24px;
  }

  /* 移动端弹出菜单 */
  .wp-block-navigation-responsive-container {
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    z-index: 200;
    padding: 24px 20px;
    display: none !important;
    overflow-y: auto;
  }

  .wp-block-navigation-responsive-container.is-menu-open {
    display: block !important;
  }

  .wp-block-navigation-responsive-container .wp-block-navigation-link {
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border);
  }

  .wp-block-navigation-responsive-container .wp-block-navigation-link a {
    font-size: 1.1rem;
    color: var(--color-text);
    font-weight: 500;
    border: none;
  }

  .wp-block-navigation .wp-block-navigation__submenu-icon {
    display: none !important;
  }
}

/* === 隐藏订阅按钮（桌面） === */
@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
}

/* === Main Content === */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

/* === Hero 文章卡片 === */
.hero-card {
  background: var(--color-surface);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  border: 1px solid var(--color-border);
  margin-bottom: 32px;
}

.hero-card .wp-block-tag {
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 100px;
  display: inline-block;
}

.hero-card .wp-block-post-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 5vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  margin: 12px 0;
}

.hero-card .wp-block-post-excerpt {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 16px;
}

.hero-card .wp-block-group:last-child {
  display: flex;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* === 最新文章网格 === */
.section-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent);
  display: inline-block;
}

/* 自动响应式网格 - 不需要媒体查询 */
.posts-grid {
  display: grid;
  grid-template-columns: 1fr;  /* 默认单列（手机） */
  gap: 16px;
  margin-bottom: 32px;
}

/* 平板 481px+ → 2列 */
@media (min-width: 481px) {
  .posts-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* 桌面 769px+ → 3列 */
@media (min-width: 769px) {
  .posts-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

/* === 文章卡片 === */
.post-card {
  background: var(--color-surface);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}

.post-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.post-card-img {
  width: 100%;
  height: 120px;
  min-height: 120px;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  flex-shrink: 0;
}

.post-card-img .wp-block-paragraph {
  color: rgba(255,255,255,0.3);
  margin: 0;
}

.post-card-body {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.post-card .wp-block-term {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-accent);
}

.post-card .wp-block-post-title {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
  margin: 0;
}

.post-card .wp-block-post-excerpt {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}

.post-card-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: auto;
  padding-top: 8px;
}

/* === 分页 === */
.wp-block-query-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 32px 0;
}

.wp-block-query-pagination a,
.wp-block-query-pagination span {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  transition: background 0.2s;
}

.wp-block-query-pagination a:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.wp-block-query-pagination .current {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* === 引言 Banner === */
.quote-banner {
  background: var(--color-primary);
  padding: 40px 20px;
  text-align: center;
  border-radius: 12px;
  margin: 32px 0;
}

.quote-banner blockquote {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  color: white;
  font-style: italic;
  line-height: 1.6;
  margin: 0 0 12px;
  border: none;
  padding: 0;
}

.quote-banner cite {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  font-style: normal;
}

/* === 文章页 === */
.article-header {
  background: var(--color-surface);
  border-radius: 12px;
  padding: 24px 20px;
  margin-bottom: 24px;
  border: 1px solid var(--color-border);
}

.article-header .wp-block-term {
  font-size: 0.75rem;
  font-weight: 600;
  color: white;
  background: var(--color-primary);
  padding: 3px 10px;
  border-radius: 100px;
  display: inline-block;
  margin-bottom: 12px;
}

.article-header .wp-block-post-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 16px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.article-content {
  background: var(--color-surface);
  border-radius: 12px;
  padding: 28px 24px;
  border: 1px solid var(--color-border);
  font-size: 1.05rem;
  line-height: 1.85;
  color: var(--color-text);
}

.article-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 4vw, 1.5rem);
  font-weight: 700;
  color: var(--color-text);
  margin: 36px 0 12px;
  padding-left: 14px;
  border-left: 4px solid var(--color-accent);
  line-height: 1.3;
}

.article-content h3 {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 3vw, 1.2rem);
  font-weight: 600;
  margin: 28px 0 10px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content blockquote {
  background: var(--color-bg);
  border-left: 4px solid var(--color-accent);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin: 24px 0;
}

.article-content ol,
.article-content ul {
  padding-left: 28px;
  margin-bottom: 20px;
}

.article-content li {
  margin-bottom: 8px;
}

.article-content ol { list-style: decimal; }
.article-content ul { list-style: disc; }

/* === 相关文章 === */
.related-posts {
  background: var(--color-surface);
  border-radius: 12px;
  padding: 24px 20px;
  margin-top: 24px;
  border: 1px solid var(--color-border);
}

.related-posts h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--color-border);
}

/* === Footer === */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,0.7);
  padding: 40px 20px 24px;
}

.site-footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr; /* 默认单列 */
  gap: 32px;
}

@media (min-width: 769px) {
  .site-footer-inner {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
}

.site-footer .site-title {
  color: white;
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
}

.site-footer p {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-top: 12px;
}

.site-footer h5 {
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  margin: 0 0 12px;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer ul li {
  margin-bottom: 8px;
  font-size: 0.875rem;
}

.site-footer ul li a {
  color: rgba(255,255,255,0.65);
  text-decoration: none;
  transition: color 0.2s;
}

.site-footer ul li a:hover {
  color: white;
}

.site-footer .footer-bottom {
  max-width: 1200px;
  margin: 32px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

/* === 平板适配 481-768px === */
@media (min-width: 481px) and (max-width: 768px) {
  main { padding: 24px 24px 60px; }
  .hero-card { padding: 24px; }
  .article-content { padding: 24px; }
}

/* === 桌面适配 769px+ === */
@media (min-width: 769px) {
  main { padding: 32px 32px 80px; }
  .hero-card { padding: 32px; }
  .article-content { padding: 40px; }
  .article-header { padding: 32px; }
}