/* ==========================================================================
   Flybit 飞比特 - 文章与独立单页样式 (article.css)
   植物图鉴志排版风格、植物标本框、温室注释框与阅读美学
   ========================================================================== */

.article-page-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 1rem 0 4rem;
}

/* 面包屑导航 */
.greenhouse-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.85rem;
  color: var(--color-stem-light);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.greenhouse-breadcrumbs a {
  color: var(--color-stem-light);
}

.greenhouse-breadcrumbs a:hover {
  color: var(--color-stem);
  text-decoration: underline;
}

.breadcrumbs-divider {
  font-size: 0.75rem;
  opacity: 0.6;
}

/* 文章头部：图鉴志格式 */
.article-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-glass-border);
  position: relative;
}

.article-header-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}

.article-specimen-tag {
  font-family: monospace;
  font-size: 0.8rem;
  background: var(--color-mint);
  color: var(--color-stem);
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  font-weight: 600;
}

.article-date-time {
  font-size: 0.82rem;
  color: var(--color-stem-light);
}

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 3.5vw, 2.7rem);
  line-height: 1.28;
  color: var(--color-stem);
  margin-bottom: 1.2rem;
  font-weight: 700;
}

.article-lead {
  font-size: 1.1rem;
  line-height: 1.85;
  color: var(--color-stem-light);
  font-style: italic;
  padding-left: 1.2rem;
  border-left: 3px solid var(--color-sage);
}

/* 正文深度排版 */
.article-content {
  font-size: 1.05rem;
  line-height: 2;
  color: var(--color-text);
}

.article-content h2 {
  font-family: var(--font-serif);
  font-size: 1.7rem;
  color: var(--color-stem);
  margin-top: 3rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-glass-border);
  position: relative;
}

.article-content h2::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 50px;
  height: 2px;
  background: var(--color-stem);
}

.article-content h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--color-stem);
  margin-top: 2.2rem;
  margin-bottom: 0.8rem;
}

.article-content p {
  margin-bottom: 1.6rem;
  text-align: justify;
}

.article-content ul, .article-content ol {
  margin-bottom: 1.8rem;
  padding-left: 1.6rem;
}

.article-content li {
  margin-bottom: 0.6rem;
}

.article-content strong {
  color: var(--color-stem);
  font-weight: 600;
}

/* 温室玻璃引用框与说明卡片 */
.greenhouse-callout {
  background: var(--color-glass-surface);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--color-sage);
  border-left: 4px solid var(--color-stem);
  border-radius: 0 12px 12px 0;
  padding: 1.4rem 1.6rem;
  margin: 2.2rem 0;
}

.callout-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-stem);
  font-weight: 600;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.callout-title svg {
  width: 18px;
  height: 18px;
  fill: var(--color-stem);
}

.greenhouse-callout p {
  margin-bottom: 0;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-stem-light);
}

/* 表格排版 */
.article-table-container {
  overflow-x: auto;
  margin: 2.2rem 0;
  border-radius: 12px;
  border: 1px solid var(--color-glass-border);
  background: var(--color-glass-surface);
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  text-align: left;
}

.article-table th {
  background: rgba(216, 238, 229, 0.7);
  color: var(--color-stem);
  font-family: var(--font-serif);
  font-weight: 600;
  padding: 0.9rem 1.2rem;
  border-bottom: 1px solid var(--color-glass-border);
}

.article-table td {
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid rgba(201, 221, 197, 0.4);
  color: var(--color-text);
}

.article-table tr:last-child td {
  border-bottom: none;
}

.article-table tr:hover td {
  background: rgba(255, 255, 255, 0.5);
}

/* 文章末尾商业行动横幅 */
.article-action-banner {
  margin-top: 4rem;
  background: linear-gradient(135deg, var(--color-mint) 0%, rgba(243, 217, 190, 0.6) 100%);
  border: 1.5px solid var(--color-sage);
  border-radius: 16px;
  padding: 2.2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
}

.article-action-banner h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  color: var(--color-stem);
}

.article-action-banner p {
  max-width: 580px;
  font-size: 0.95rem;
  color: var(--color-stem-light);
  line-height: 1.6;
}

.btn-article-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  background: var(--color-stem);
  color: #fff;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  box-shadow: 0 6px 18px rgba(43, 66, 55, 0.2);
}

.btn-article-cta:hover {
  background: #18261f;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(43, 66, 55, 0.3);
}

/* 关联文章与导航分页 */
.article-nav-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 3.5rem;
  padding-top: 2rem;
  border-top: 1px dashed var(--color-glass-border);
}

.article-nav-card {
  background: var(--color-glass-surface);
  border: 1px solid var(--color-glass-border);
  border-radius: 12px;
  padding: 1.2rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  transition: var(--transition-smooth);
}

.article-nav-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-sage);
}

.nav-direction-label {
  font-size: 0.78rem;
  color: var(--color-stem-light);
}

.nav-card-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-stem);
  font-weight: 600;
}

@media (max-width: 680px) {
  .article-nav-links {
    grid-template-columns: 1fr;
  }
}