/* ===========================
   迷茫小学僧 - Zen Warm Blog
   =========================== */

/* 中文字体 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700&display=swap');

/* === CSS Variables === */
:root {
  --bg-primary: #faf8f5;
  --bg-secondary: #f0ebe3;
  --bg-card: #ffffff;
  --text-primary: #2c2c2c;
  --text-secondary: #6b6560;
  --text-muted: #9c9490;
  --accent: #c4622d;
  --accent-light: #e8845a;
  --accent-dark: #9e4e24;
  --border: #e0d8cf;
  --border-light: #ede8e2;
  --shadow: rgba(44, 44, 44, 0.06);
  --shadow-md: rgba(44, 44, 44, 0.12);
  --radius: 6px;
  --radius-lg: 12px;
  --max-width: 860px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: "Noto Serif SC", "PingFang SC", "Microsoft YaHei", serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--accent-light);
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* === Page Wrapper === */
.page-wrapper {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.main-content {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: 60px 24px 100px;
}

/* === Header === */
.site-header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-title {
  font-family: "Noto Serif SC", serif;
  font-size: 1.5rem;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}

  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--accent);
  color: #fff;
  font-size: 0.85rem;
  border-radius: 50%;
  font-family: "Noto Serif SC", serif;
}

.site-title:hover {
  color: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.site-nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  position: relative;
  padding-bottom: 2px;
}

.site-nav a::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width var(--transition);
  border-radius: 1px;
}

.site-nav a:hover::after,
.site-nav a.active::after {
  width: 100%;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--accent);
}

/* === Footer === */
.site-footer {
  border-top: 1px solid var(--border-light);
  background: var(--bg-secondary);
  padding: 20px 24px;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-links a:hover {
  color: var(--accent);
}

/* === Homepage === */
.home {
  padding: 0;
}

/* Intro */
.intro {
  text-align: center;
  padding: 60px 0 70px;
  position: relative;
}

.intro::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(196, 98, 45, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.intro h1 {
  font-family: "Noto Serif SC", "Noto Serif SC", serif;
  font-size: 2.4rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 0.1em;
}


.intro h1 .highlight {
  color: var(--accent);
  position: relative;
}

.subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  font-weight: 400;
  letter-spacing: 0.04em;
  max-width: 480px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Section Title */
.section-title {
  font-family: "Noto Serif SC", "Noto Serif SC", serif;
  font-size: 1.1rem;
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.15em;
  margin-bottom: 32px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.section-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  background: var(--accent);
  border-radius: 2px;
}

/* Posts List */
.posts-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.post-preview {
  padding: 28px 0;
  border-bottom: 1px solid var(--border-light);
  transition: transform var(--transition);
}

.post-preview:first-child {
  border-top: 1px solid var(--border-light);
}

.post-link {
  display: block;
  color: inherit;
}

.post-link:hover {
  color: inherit;
}

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

.post-title {
  font-family: "Noto Serif SC", serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  transition: color var(--transition);
  letter-spacing: 0.02em;
}

.post-excerpt {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.post-meta time {
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.post-category {
  font-size: 0.75rem;
  color: var(--accent);
  background: rgba(196, 98, 45, 0.08);
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: 0.05em;
}

/* Home Footer */
.home-footer {
  text-align: center;
  padding: 48px 0 20px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 28px;
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: var(--radius);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  transition: background var(--transition), transform var(--transition);
}

.btn:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-1px);
}

/* === Post Article === */
.post {
  max-width: 100%;
}

.post-header {
  padding: 50px 0 30px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 40px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.post-header-left {
  flex: 1;
  min-width: 0;
}

.post-tags-header {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  flex-shrink: 0;
  padding-top: 6px;
}

.post-title {
  font-family: "Noto Serif SC", "Noto Serif SC", serif;
  font-size: 2rem;
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  line-height: 1.4;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.post-meta time {
  letter-spacing: 0.05em;
}

/* Post Content */
.post-content {
  font-size: 1rem;
  line-height: 2;
  color: var(--text-primary);
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4 {
  font-family: "Noto Serif SC", "Noto Serif SC", serif;
  color: var(--text-primary);
  letter-spacing: 0.06em;
  margin: 2em 0 0.8em;
  line-height: 1.4;
}

.post-content h2 {
  font-size: 1.4rem;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}

.post-content h3 {
  font-size: 1.15rem;
}

.post-content p {
  margin-bottom: 1.2em;
}

.post-content ul,
.post-content ol {
  margin: 1em 0 1.5em 1.5em;
}

.post-content li {
  margin-bottom: 0.5em;
}

.post-content blockquote {
  border-left: 3px solid var(--accent);
  padding: 12px 20px;
  margin: 1.5em 0;
  background: var(--bg-secondary);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-secondary);
  font-style: italic;
}

.post-content code {
  font-family: "Fira Code", "Cascadia Code", monospace;
  background: var(--bg-secondary);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.88em;
  color: var(--accent-dark);
}

.post-content pre {
  background: #2c2c2c;
  color: #f8f8f2;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin: 1.5em 0;
}

.post-content pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 0.9rem;
}

.post-content a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(196, 98, 45, 0.3);
}

.post-content a:hover {
  text-decoration-color: var(--accent);
}

.post-content img {
  max-width: 100%;
  border-radius: var(--radius-lg);
  margin: 1.5em 0;
  box-shadow: 0 4px 24px var(--shadow-md);
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.9rem;
}

.post-content th,
.post-content td {
  padding: 10px 16px;
  border: 1px solid var(--border);
  text-align: left;
}

.post-content th {
  background: var(--bg-secondary);
  font-weight: 600;
}

.post-content hr {
  border: none;
  border-top: 1px solid var(--border-light);
  margin: 2.5em 0;
}

/* Post Footer */
.post-footer {
  margin-top: 60px;
  padding-top: 30px;
  border-top: 1px solid var(--border-light);
}

.post-tags {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

.tag {
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 3px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  transition: background var(--transition), color var(--transition);
}

.tag:hover {
  background: var(--accent);
  color: #fff;
}

.post-share {
  text-align: right;
}

.permalink {
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

/* === Archives Page === */
.archives {
  padding-top: 20px;
}

.archives-title {
  font-family: "Noto Serif SC", "Noto Serif SC", serif;
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 40px;
  letter-spacing: 0.1em;
}

.archive-group {
  margin-bottom: 40px;
}

.archive-year {
  font-family: "Noto Serif SC", "Noto Serif SC", serif;
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
}

.archive-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
}

.archive-item time {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
}

.archive-item a {
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: color var(--transition);
}

.archive-item a:hover {
  color: var(--accent);
}

/* === About Page === */
.about-page {
  padding-top: 20px;
}

.about-title {
  font-family: "Noto Serif SC", "Noto Serif SC", serif;
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 40px;
  letter-spacing: 0.1em;
}

.about-content h2 {
  font-family: "Noto Serif SC", "Noto Serif SC", serif;
  font-size: 1.2rem;
  color: var(--text-primary);
  letter-spacing: 0.08em;
  margin: 2em 0 0.8em;
}

.about-content h2:first-child {
  margin-top: 0;
}

.about-content p {
  margin-bottom: 1em;
  color: var(--text-secondary);
}

/* === 404 === */
.not-found {
  text-align: center;
  padding: 80px 0;
}

.not-found h1 {
  font-family: "Noto Serif SC", "Noto Serif SC", serif;
  font-size: 5rem;
  color: var(--border);
  margin-bottom: 16px;
}

.not-found p {
  color: var(--text-muted);
  margin-bottom: 30px;
}

/* === Animations === */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.post-preview {
  animation: fadeInUp 0.5s ease both;
}

.posts-list .post-preview:nth-child(1) { animation-delay: 0.05s; }
.posts-list .post-preview:nth-child(2) { animation-delay: 0.1s; }
.posts-list .post-preview:nth-child(3) { animation-delay: 0.15s; }
.posts-list .post-preview:nth-child(4) { animation-delay: 0.2s; }
.posts-list .post-preview:nth-child(5) { animation-delay: 0.25s; }

.intro h1 { animation: fadeInUp 0.6s ease both; }
.subtitle { animation: fadeInUp 0.6s ease 0.15s both; }

/* === Responsive === */
@media (max-width: 640px) {
  .header-inner {
    padding: 0 16px;
  }

  .site-nav {
    gap: 20px;
  }

  .main-content {
    padding: 40px 16px 60px;
  }

  .intro h1 {
    font-size: 1.8rem;
  }



  .intro {
    padding: 40px 0 50px;
  }

  .post-tags-header {
    flex-direction: column;
    align-items: flex-end;
    padding-top: 8px;
  }

  .post-title {
    font-size: 1.5rem;
  }

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }

  .archive-item {
    flex-direction: column;
    gap: 4px;
  }
}

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: 60px 0;
  color: var(--text-muted);
}

.empty-icon {
  font-size: 3rem;
  margin-bottom: 12px;
}

.empty-text {
  font-size: 0.95rem;
  letter-spacing: 0.05em;
}

/* === Tags Page === */
.tags-page {
  padding-top: 20px;
}

.tags-title {
  font-family: "Noto Serif SC", serif;
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 40px;
  letter-spacing: 0.1em;
}

.tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 60px;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.88rem;
  transition: background var(--transition), color var(--transition), transform var(--transition);
  border: 1px solid var(--border-light);
}

.tag-item:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
  transform: translateY(-2px);
}

.tag-count {
  background: rgba(255,255,255,0.3);
  font-size: 0.75rem;
  padding: 1px 6px;
  border-radius: 10px;
}

.tag-section {
  margin-bottom: 40px;
}

.tag-section-title {
  font-family: "Noto Serif SC", serif;
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: 0.08em;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
}

.tag-post-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border-light);
}

.tag-post-item time {
  font-size: 0.8rem;
  color: var(--text-muted);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

.tag-post-item a {
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: color var(--transition);
}

.tag-post-item a:hover {
  color: var(--accent);
}

/* === About Page Enhanced === */
.about-page {
  padding-top: 20px;
}

.about-title {
  font-family: "Noto Serif SC", serif;
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--text-primary);
  margin-bottom: 50px;
  letter-spacing: 0.1em;
}

.about-section {
  margin-bottom: 44px;
}

.about-section h2 {
  font-family: "Noto Serif SC", serif;
  font-size: 1.1rem;
  color: var(--text-primary);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.about-body {
  padding-left: 4px;
}

.about-body p {
  margin-bottom: 0.8em;
  color: var(--text-secondary);
  line-height: 1.9;
}

.about-body ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.about-body ul li {
  padding: 6px 0;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
  font-size: 0.95rem;
}

.about-body ul li:last-child {
  border-bottom: none;
}

.about-body ul li strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* === Archive Tags === */
.archive-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-left: auto;
}

.archive-item {
  display: flex;
  align-items: baseline;
  gap: 16px;
}

.tag {
  background: var(--bg-secondary);
  color: var(--text-muted);
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
}


/* 头像 */
.avatar-container {
  display: flex;
  justify-content: center;
  margin-bottom: 24px;
}

.avatar-img {
  width: auto;
  height: auto;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
}

.avatar-center {
  text-align: center;
  margin-bottom: 16px;
}


/* ===== 标签筛选器 ===== */
.tag-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.tag-filter-btn {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
}

.tag-filter-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
    text-decoration: none;
}

.tag-filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}


/* 仅 QClaw 文章图片统一 720px */
.post-content img[src*="/qclaw/"] {
  width: 720px;
  max-width: 100%;
}