/* ===== 个人博客 blog1 — 暖色阅读风 ===== */
:root {
  --color-primary: #8b6914;
  --color-primary-light: #a67c00;
  --color-text: #3d3429;
  --color-text-secondary: #6b5d4f;
  --color-text-muted: #9a8b7a;
  --color-bg: #faf6f1;
  --color-surface: #fffdf9;
  --color-border: #e8dfd3;
  --color-accent: #c4a574;
  --font-serif: 'Lora', 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: 'Source Sans 3', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --max-width: 680px;
  --wide-width: 820px;
  --transition: 0.25s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 17px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body.tpl-blog1 {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.75;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ===== Header ===== */
.site-header {
  padding: 40px 24px 32px;
  text-align: center;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.header-inner {
  max-width: var(--wide-width);
  margin: 0 auto;
  position: relative;
}

.site-brand { display: block; }

.site-title {
  font-family: var(--font-serif);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.site-tagline {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  margin-top: 8px;
  font-style: italic;
}

.nav-desktop {
  margin-top: 24px;
}

.nav-desktop ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px 8px;
}

.nav-desktop a {
  display: inline-block;
  padding: 6px 14px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  border-radius: 20px;
  transition: var(--transition);
}

.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--color-primary);
  background: rgba(139, 105, 20, 0.08);
}

.menu-toggle {
  display: none;
  position: absolute;
  top: 0;
  right: 0;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

.nav-mobile {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-surface);
  z-index: 99;
  padding: 80px 32px 32px;
  transform: translateX(100%);
  transition: transform var(--transition);
  overflow-y: auto;
}

.nav-mobile.open { transform: translateX(0); }

.nav-mobile li { border-bottom: 1px solid var(--color-border); }

.nav-mobile a {
  display: block;
  padding: 16px 0;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--color-text);
}

/* ===== Main Container ===== */
.main-content { flex: 1; padding: 48px 24px 64px; }

.blog-container {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ===== Featured Post ===== */
.featured-post {
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--color-border);
}

.featured-link { display: block; }

.featured-label {
  display: inline-block;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.featured-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 12px;
  transition: var(--transition);
}

.featured-link:hover .featured-title { color: var(--color-primary); }

.featured-excerpt {
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 16px;
}

.featured-meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  display: flex;
  gap: 16px;
}

/* ===== Archive Header ===== */
.archive-header {
  margin-bottom: 36px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--color-border);
}

.archive-title {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 6px;
}

.archive-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
}

/* ===== Post List ===== */
.post-list { display: flex; flex-direction: column; }

.post-item {
  border-bottom: 1px solid var(--color-border);
}

.post-link {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 20px;
  padding: 28px 0;
  transition: var(--transition);
}

.post-link:hover .post-title { color: var(--color-primary); }

.post-date {
  text-align: center;
  padding-top: 4px;
}

.post-date-day {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.2;
}

.post-date-year {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 2px;
}

.post-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--color-text);
  margin-bottom: 6px;
  transition: var(--transition);
}

.post-summary {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}

.post-meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  display: flex;
  gap: 12px;
}

.post-cat {
  color: var(--color-primary);
}

/* ===== Article Page ===== */
.article-page { padding-top: 0; }

.back-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  transition: var(--transition);
}

.back-link:hover { color: var(--color-primary); }

.article-header {
  margin-bottom: 32px;
  text-align: center;
}

.article-cat {
  display: inline-block;
  font-size: 0.78rem;
  color: var(--color-primary);
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}

.article-cat:hover { text-decoration: underline; }

.article-title {
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 4vw, 1.85rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
  margin-bottom: 16px;
}

.article-meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.article-cover {
  margin-bottom: 36px;
  border-radius: 4px;
  overflow: hidden;
}

.article-body {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--color-text);
}

.article-body p { margin-bottom: 1.4em; }

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--color-text);
  margin: 2em 0 0.8em;
}

.article-figure { margin: 1.8em 0; }

.article-figure figcaption {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 10px;
  font-style: italic;
}

.article-footer {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
  text-align: center;
}

.article-end {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  font-style: italic;
}

.btn-back {
  display: inline-block;
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--color-primary);
  padding: 8px 0;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.btn-back:hover { border-bottom-color: var(--color-primary); }

/* ===== Related Posts ===== */
.related-posts {
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.related-heading {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 20px;
}

.related-list li {
  border-bottom: 1px solid var(--color-border);
}

.related-list a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  transition: var(--transition);
}

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

.related-title {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  color: var(--color-text);
  line-height: 1.45;
  transition: var(--transition);
}

.related-list time {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 32px 24px;
  margin-top: auto;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}

.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-bottom: 16px;
}

.footer-nav a {
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  transition: var(--transition);
}

.footer-nav a:hover { color: var(--color-primary); }

.footer-sitemap {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-bottom: 16px;
}

.footer-sitemap a {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  transition: var(--transition);
}

.footer-sitemap a:hover { color: var(--color-primary); }

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-border);
}

.pagination-btn {
  padding: 8px 18px;
  font-size: 0.82rem;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  transition: var(--transition);
}

.pagination-btn:hover {
  color: var(--color-primary);
  border-color: var(--color-accent);
}

.pagination-btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.pagination-btn-primary:hover {
  background: var(--color-primary-light);
  color: #fff;
}

.pagination-info {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

/* ===== 404 & Empty ===== */
.error-page {
  text-align: center;
  padding: 64px 0;
}

.error-code {
  font-family: var(--font-serif);
  font-size: 4rem;
  color: var(--color-accent);
  opacity: 0.5;
  line-height: 1;
}

.error-title {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  color: var(--color-text);
  margin: 16px 0 12px;
}

.error-desc {
  color: var(--color-text-secondary);
  font-size: 0.92rem;
  margin-bottom: 24px;
}

.empty-state {
  text-align: center;
  padding: 48px 0;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-desktop { display: none; }
  .menu-toggle { display: flex; }
  .nav-mobile { display: block; }
  .site-header { padding: 32px 24px 24px; text-align: left; }
  .header-inner { padding-right: 48px; }
  .post-link { grid-template-columns: 56px 1fr; gap: 14px; padding: 22px 0; }
  .post-date-day { font-size: 0.95rem; }
  .main-content { padding: 32px 20px 48px; }
  .related-list a { flex-direction: column; gap: 4px; align-items: flex-start; }
}

@media (max-width: 480px) {
  html { font-size: 16px; }
  .post-link { grid-template-columns: 1fr; }
  .post-date { text-align: left; display: flex; gap: 8px; align-items: baseline; }
  .post-date-day, .post-date-year { display: inline; }
}