/* ============================================================
   素履之往 — Stylesheet v7.0
   设计理念：宣纸底色 · 墨色文字 · 朱砂点缀 · 克制动效
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  /* 亮色模式 — 宣纸 */
  --bg: #f7f4ef;
  --bg-elevated: #fffefb;
  --bg-hover: #f0ebe3;
  --text: #2a2622;
  --text-secondary: #6b655e;
  --text-tertiary: #a09a90;
  --accent: #a8503e;
  --accent-hover: #8f4233;
  --accent-soft: rgba(168, 80, 62, 0.07);
  --border: #e3ddd3;
  --border-strong: #d4ccbf;
  --shadow-sm: 0 1px 3px rgba(42, 38, 34, 0.05);
  --shadow-md: 0 4px 20px rgba(42, 38, 34, 0.07);
  --shadow-lg: 0 12px 40px rgba(42, 38, 34, 0.10);

  /* 字体 */
  --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', Georgia, serif;
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* 间距 */
  --max-width: 760px;
  --nav-height: 64px;
  --radius: 10px;
  --radius-sm: 6px;

  /* 动画 */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --transition: 0.3s var(--ease);
}

[data-theme="dark"] {
  --bg: #1a1816;
  --bg-elevated: #252220;
  --bg-hover: #2e2b27;
  --text: #e8e2d8;
  --text-secondary: #a09a8e;
  --text-tertiary: #6b665c;
  --accent: #c46a55;
  --accent-hover: #d47865;
  --accent-soft: rgba(196, 106, 85, 0.10);
  --border: #38332e;
  --border-strong: #46403a;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.35);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-serif);
  background: var(--bg);
  color: var(--text);
  line-height: 1.85;
  font-size: 16px;
  transition: background-color var(--transition), color var(--transition);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* 选择文字 */
::selection { background: var(--accent); color: #fff; }

/* 滚动条 */
::-webkit-scrollbar { width: 7px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* ---------- 阅读进度条 ---------- */
.reading-progress {
  position: fixed; top: 0; left: 0; height: 2px; width: 0%;
  background: var(--accent); z-index: 1000;
  transition: width 0.1s linear;
}

/* ---------- 导航栏 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-height);
  background: rgba(247, 244, 239, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), background var(--transition);
}
[data-theme="dark"] .site-header { background: rgba(26, 24, 22, 0.85); }
.site-header.scrolled { border-bottom-color: var(--border); }

.nav-container {
  max-width: 1100px; margin: 0 auto; height: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px;
}

.logo {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none;
}
.logo-mark {
  display: block; width: 24px; height: 18px; flex-shrink: 0;
  transition: transform var(--transition), filter var(--transition);
}
.logo:hover .logo-mark { transform: translateY(-2px); }

.logo-text {
  font-family: var(--font-serif); font-size: 1.2rem; font-weight: 700;
  letter-spacing: 0.06em; color: var(--text);
  transition: color var(--transition);
}
.logo-text:hover { color: var(--accent); }

.nav-menu {
  display: flex; align-items: center; gap: 8px;
}
.nav-link {
  font-family: var(--font-sans); font-size: 0.88rem; font-weight: 400;
  padding: 8px 11px; border-radius: var(--radius-sm);
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}
@media (min-width: 641px) and (max-width: 860px) {
  .nav-link { padding: 8px 7px; font-size: 0.84rem; }
}
.nav-link:hover { color: var(--text); background: var(--accent-soft); }
.nav-link.active { color: var(--accent); font-weight: 500; }

/* 主题切换 */
.theme-toggle {
  width: 38px; height: 38px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
  transition: color var(--transition), background var(--transition);
}
.theme-toggle:hover { color: var(--accent); background: var(--accent-soft); }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

/* 汉堡菜单 */
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle-line {
  display: block; width: 22px; height: 2px; border-radius: 2px;
  background: var(--text);
  transition: transform var(--transition), opacity var(--transition);
}
.nav-toggle.active .nav-toggle-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active .nav-toggle-line:nth-child(2) { opacity: 0; }
.nav-toggle.active .nav-toggle-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 640px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    position: fixed; top: var(--nav-height); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg-elevated); border-bottom: 1px solid var(--border);
    padding: 8px 0; max-height: 0; overflow: hidden;
    transition: max-height var(--transition);
  }
  .nav-menu.open { max-height: 460px; }
  .nav-link { padding: 12px 24px; border-radius: 0; }
  .theme-toggle { margin: 8px 24px; }
}

/* ---------- Hero ---------- */
.hero {
  min-height: 70vh; display: flex; align-items: center; justify-content: center;
  padding: calc(var(--nav-height) + 40px) 24px 60px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
  transform: translate(-50%, -50%); pointer-events: none;
}
.hero-inner { text-align: center; position: relative; z-index: 1; max-width: 600px; }

.hero-couplet {
  font-family: var(--font-serif); font-size: clamp(0.85rem, 2vw, 1rem);
  letter-spacing: 0.4em; color: var(--accent);
  margin-bottom: 2rem; opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.1s forwards;
}
.hero-title {
  font-family: var(--font-serif); font-weight: 700;
  font-size: clamp(1.7rem, 5vw, 2.6rem);
  line-height: 1.5; letter-spacing: 0.04em;
  color: var(--text);
  margin-bottom: 1.2rem; opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.25s forwards;
}
.hero-subtitle {
  font-family: var(--font-serif); font-size: clamp(0.95rem, 2.5vw, 1.1rem);
  color: var(--text-secondary); line-height: 1.8;
  opacity: 0; animation: fadeUp 0.9s var(--ease) 0.4s forwards;
}

.hero-scroll-hint {
  margin-top: 3.5rem; display: flex; flex-direction: column; align-items: center; gap: 8px;
  opacity: 0; animation: fadeUp 0.9s var(--ease) 0.6s forwards;
}
.scroll-line {
  width: 1px; height: 40px; background: var(--border-strong);
  position: relative; overflow: hidden;
}
.scroll-line::after {
  content: ''; position: absolute; top: -40px; left: 0; width: 100%; height: 40px;
  background: var(--accent); animation: scrollDown 2s var(--ease) infinite;
}
.scroll-text {
  font-family: var(--font-sans); font-size: 0.72rem; letter-spacing: 0.2em;
  color: var(--text-tertiary); text-transform: uppercase;
}

@keyframes scrollDown { 0% { top: -40px; } 60%, 100% { top: 40px; } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ---------- 主内容区 ---------- */
.main-content {
  max-width: var(--max-width); margin: 0 auto;
  padding: 0 24px 80px;
}

.section-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 2.5rem; flex-wrap: wrap; gap: 1rem;
}
.section-title {
  font-family: var(--font-serif); font-size: 1.3rem; font-weight: 700;
  letter-spacing: 0.05em;
}
.section-title::after {
  content: ''; display: block; width: 32px; height: 2px;
  background: var(--accent); margin-top: 6px; border-radius: 2px;
}

/* 分类筛选 */
.category-filter { display: flex; gap: 6px; flex-wrap: wrap; }
.cat-btn {
  font-family: var(--font-sans); font-size: 0.82rem; font-weight: 400;
  padding: 6px 14px; border-radius: 20px;
  color: var(--text-secondary); background: transparent;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.cat-btn:hover { border-color: var(--accent); color: var(--accent); }
.cat-btn.active {
  background: var(--accent); border-color: var(--accent); color: #fff;
}

/* ---------- 骨架屏 ---------- */
.skeleton-card {
  padding: 1.8rem 0; border-bottom: 1px solid var(--border);
}
.sk-line { border-radius: 4px; background: var(--border); animation: shimmer 1.5s infinite; }
.sk-title { width: 60%; height: 20px; margin-bottom: 12px; }
.sk-meta { width: 30%; height: 13px; margin-bottom: 16px; }
.sk-excerpt { width: 100%; height: 14px; margin-bottom: 8px; }
.sk-excerpt.short { width: 75%; }
@keyframes shimmer { 0% { opacity: 0.6; } 50% { opacity: 0.3; } 100% { opacity: 0.6; } }

/* ---------- 文章卡片 ---------- */
.post-list { display: flex; flex-direction: column; }

.post-card {
  display: block; padding: 1.8rem 0;
  border-bottom: 1px solid var(--border);
  transition: transform var(--transition);
  opacity: 0; transform: translateY(16px);
}
.post-card.visible { opacity: 1; transform: translateY(0); }

.post-card-meta {
  font-family: var(--font-sans); font-size: 0.8rem;
  color: var(--text-tertiary); margin-bottom: 0.6rem;
  display: flex; align-items: center; gap: 8px;
}
.post-card-category {
  color: var(--accent); font-weight: 500;
}
.post-card-dot { color: var(--border-strong); }

.post-card-title {
  font-family: var(--font-serif); font-size: clamp(1.2rem, 3vw, 1.45rem);
  font-weight: 700; line-height: 1.5; letter-spacing: 0.03em;
  margin-bottom: 0.6rem; color: var(--text);
  transition: color var(--transition);
}
.post-card:hover .post-card-title { color: var(--accent); }

.post-card-excerpt {
  font-size: 0.95rem; line-height: 1.8; color: var(--text-secondary);
  margin-bottom: 0.8rem;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-readmore {
  font-family: var(--font-sans); font-size: 0.8rem;
  color: var(--text-tertiary); letter-spacing: 0.05em;
  transition: color var(--transition);
}
.post-card:hover .post-card-readmore { color: var(--accent); }

/* ---------- 空状态 ---------- */
.empty-state { text-align: center; padding: 4rem 0; color: var(--text-tertiary); }
.empty-icon { font-size: 2rem; margin-bottom: 1rem; }
.empty-text { font-size: 0.95rem; }

/* ---------- 文章详情页 ---------- */
.post-page { max-width: var(--max-width); margin: 0 auto; padding: calc(var(--nav-height) + 40px) 24px 80px; }

.post-skeleton { padding-top: 2rem; }
.sk-title-lg { width: 70%; height: 28px; margin-bottom: 16px; }
.sk-meta-lg { width: 35%; height: 14px; margin-bottom: 32px; }
.sk-para { width: 100%; height: 15px; margin-bottom: 12px; }
.sk-para.short { width: 60%; }

.post-article { animation: fadeIn 0.5s var(--ease) forwards; }

.post-header { margin-bottom: 3rem; }
.post-back {
  display: inline-block; font-family: var(--font-sans); font-size: 0.85rem;
  color: var(--text-tertiary); margin-bottom: 1.8rem;
  transition: color var(--transition);
}
.post-back:hover { color: var(--accent); }

.post-meta {
  font-family: var(--font-sans); font-size: 0.82rem; color: var(--text-tertiary);
  margin-bottom: 0.8rem; display: flex; align-items: center; gap: 8px;
}
.post-category { color: var(--accent); font-weight: 500; }
.post-dot { color: var(--border-strong); }

.post-title {
  font-family: var(--font-serif); font-size: clamp(1.6rem, 4.5vw, 2.1rem);
  font-weight: 700; line-height: 1.45; letter-spacing: 0.03em;
}

/* 文章正文 */
.post-body {
  font-family: var(--font-serif); font-size: 1.05rem; line-height: 1.95;
  color: var(--text); letter-spacing: 0.01em;
}
.post-body p { margin-bottom: 1.5rem; }
.post-body h2 {
  font-size: 1.3rem; font-weight: 700; margin: 2.5rem 0 1rem;
  letter-spacing: 0.04em;
}
.post-body h3 {
  font-size: 1.1rem; font-weight: 700; margin: 2rem 0 0.8rem;
}
.post-body blockquote {
  margin: 2rem 0; padding: 0.8rem 0 0.8rem 1.5rem;
  border-left: 3px solid var(--accent);
  font-style: italic; color: var(--text-secondary);
  font-size: 1.05rem; line-height: 1.8;
}
.post-body a { color: var(--accent); border-bottom: 1px solid var(--accent-soft); transition: border-color var(--transition); }
.post-body a:hover { border-bottom-color: var(--accent); }
.post-body strong { font-weight: 700; }
.post-body img { border-radius: var(--radius); margin: 1.5rem 0; box-shadow: var(--shadow-md); }
.post-body ul, .post-body ol { margin: 1rem 0 1.5rem 1.5rem; }
.post-body li { margin-bottom: 0.5rem; }
.post-body ul li { list-style: disc; }
.post-body ol li { list-style: decimal; }
.post-body cite {
  display: block; margin-top: 0.5rem; font-size: 0.88rem; font-style: normal;
  color: var(--text-tertiary); text-align: right;
}
.post-body hr {
  border: none; border-top: 1px solid var(--border);
  margin: 2.5rem 0;
}
.post-body table {
  width: 100%; border-collapse: collapse; margin: 1.5rem 0;
  font-size: 0.95rem; font-family: var(--font-sans);
}
.post-body table thead { border-bottom: 2px solid var(--border); }
.post-body table th {
  padding: 0.7rem 1rem; font-weight: 700; color: var(--text-secondary);
  text-align: left;
}
.post-body table td {
  padding: 0.6rem 1rem; border-bottom: 1px solid var(--border);
  color: var(--text);
}
.post-body table tbody tr:hover { background: var(--bg-elevated); }

/* 文章导航 */
.post-footer-nav {
  margin-top: 4rem; padding-top: 2rem; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.post-nav-link {
  font-family: var(--font-sans); font-size: 0.85rem; color: var(--text-secondary);
  max-width: 45%; transition: color var(--transition);
}
.post-nav-link:hover { color: var(--accent); }
.post-nav-link .nav-dir { color: var(--text-tertiary); margin-right: 6px; }
.post-nav-link.next { text-align: right; margin-left: auto; }
.post-nav-link.next .nav-dir { margin-right: 0; margin-left: 6px; }

/* ---------- 关于页 ---------- */
.about-page { max-width: var(--max-width); margin: 0 auto; padding: calc(var(--nav-height) + 40px) 24px 80px; }
.about-inner { animation: fadeIn 0.6s var(--ease) forwards; }
.about-header { margin-bottom: 2.5rem; }
.about-title {
  font-family: var(--font-serif); font-size: 1.6rem; font-weight: 700;
  letter-spacing: 0.05em;
}
.about-title::after { content: ''; display: block; width: 40px; height: 2px; background: var(--accent); margin-top: 8px; border-radius: 2px; }

.about-body { font-size: 1.05rem; line-height: 2; }
.about-body p { margin-bottom: 1.4rem; }
.about-lead {
  font-size: 1.2rem !important; font-weight: 500;
  color: var(--accent); text-align: center; margin: 2rem 0 !important;
}
.about-body blockquote {
  margin: 2rem 0; padding: 0.8rem 0 0.8rem 1.5rem;
  border-left: 3px solid var(--accent); font-style: italic;
  color: var(--text-secondary);
}

/* 印章 */
.about-seal {
  margin-top: 3rem; text-align: center;
}
.seal-text {
  display: inline-block; padding: 12px 20px;
  border: 2px solid var(--accent); color: var(--accent);
  font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700;
  letter-spacing: 0.15em; border-radius: 4px;
  transform: rotate(-3deg); opacity: 0.85;
}

/* ---------- 页脚 ---------- */
.site-footer {
  border-top: 1px solid var(--border); padding: 3rem 24px;
  text-align: center;
}
.footer-inner { max-width: var(--max-width); margin: 0 auto; }
.footer-quote {
  font-family: var(--font-serif); font-size: 0.95rem; font-style: italic;
  color: var(--text-secondary); margin-bottom: 0.6rem;
}
.footer-copy {
  font-family: var(--font-sans); font-size: 0.78rem; color: var(--text-tertiary);
  letter-spacing: 0.05em;
}
.footer-icp {
  margin-top: 0.4rem;
}
.footer-icp a {
  font-family: var(--font-sans); font-size: 0.78rem;
  color: var(--text-tertiary); letter-spacing: 0.05em;
  text-decoration: none; transition: color var(--transition);
}
.footer-icp a:hover { color: var(--text-secondary); }

/* ---------- 返回顶部 ---------- */
.back-to-top {
  position: fixed; bottom: 2rem; right: 2rem;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--bg-elevated); border: 1px solid var(--border);
  box-shadow: var(--shadow-md); color: var(--text-secondary);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all var(--transition); z-index: 90;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { color: var(--accent); border-color: var(--accent); box-shadow: var(--shadow-lg); }

/* ---------- 摄影集 ---------- */
.gallery-hero {
  min-height: 45vh; display: flex; align-items: center; justify-content: center;
  padding: calc(var(--nav-height) + 40px) 24px 40px; position: relative; overflow: hidden;
}
.gallery-hero::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
  transform: translate(-50%, -50%); pointer-events: none;
}
.gallery-hero-inner { text-align: center; position: relative; z-index: 1; max-width: 600px; }

.gallery-main {
  max-width: 1100px; margin: 0 auto;
  padding: 0 24px 80px;
}

/* 骨架屏 */
.gallery-skeleton {
  column-count: 3; column-gap: 16px;
}
.sk-photo {
  border-radius: var(--radius); margin-bottom: 16px;
  background: var(--border); animation: shimmer 1.5s infinite;
}
.sk-photo:nth-child(1) { height: 220px; }
.sk-photo:nth-child(2) { height: 300px; }
.sk-photo:nth-child(3) { height: 180px; }
.sk-photo:nth-child(4) { height: 260px; }
.sk-photo:nth-child(5) { height: 200px; }
.sk-photo:nth-child(6) { height: 280px; }

/* 瀑布流 */
.gallery-grid {
  column-count: 3; column-gap: 16px;
}
@media (max-width: 768px) { .gallery-skeleton, .gallery-grid { column-count: 2; } }
@media (max-width: 480px) { .gallery-skeleton, .gallery-grid { column-count: 1; } }

/* 照片卡片 */
.photo-card {
  break-inside: avoid; margin-bottom: 16px; border-radius: var(--radius);
  overflow: hidden; cursor: pointer; position: relative;
  box-shadow: var(--shadow-sm);
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease), box-shadow var(--transition);
}
.photo-card.visible { opacity: 1; transform: translateY(0); }
.photo-card:hover { box-shadow: var(--shadow-lg); }

.photo-thumb {
  width: 100%; display: block; position: relative;
  background: var(--border);
}
.photo-thumb img { width: 100%; height: auto; display: block; }
.photo-thumb-placeholder {
  width: 100%; display: flex; align-items: flex-end;
  min-height: 180px; padding: 1rem;
}
.photo-thumb-placeholder::after {
  content: ''; position: absolute; inset: 0;
}

/* 照片信息遮罩 */
.photo-overlay {
  position: absolute; inset: 0; padding: 1.2rem;
  display: flex; flex-direction: column; justify-content: flex-end;
  background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.1) 50%, transparent 100%);
  opacity: 0; transition: opacity var(--transition);
}
.photo-card:hover .photo-overlay { opacity: 1; }
.photo-overlay-title {
  font-family: var(--font-serif); font-size: 1rem; font-weight: 700;
  color: #fff; margin-bottom: 0.3rem; letter-spacing: 0.03em;
}
.photo-overlay-meta {
  font-family: var(--font-sans); font-size: 0.75rem; color: rgba(255,255,255,0.7);
}

/* 灯箱 */
.lightbox {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 0.3s var(--ease);
}
.lightbox.visible { opacity: 1; }
.lightbox[hidden] { display: none; }

.lightbox-backdrop {
  position: absolute; inset: 0; background: rgba(10, 8, 6, 0.95);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}

.lightbox-content {
  position: relative; z-index: 1;
  max-width: 90vw; max-height: 85vh;
  display: flex; flex-direction: column; align-items: center;
}

.lightbox-image {
  max-width: 90vw; max-height: 65vh;
  border-radius: var(--radius); overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
}
.lightbox-image img { max-width: 100%; max-height: 65vh; display: block; }
.lightbox-image-placeholder {
  width: min(700px, 85vw); height: min(500px, 60vh);
  display: flex; align-items: center; justify-content: center;
}

.lightbox-caption {
  margin-top: 1.2rem; text-align: center; max-width: 600px; padding: 0 1rem;
}
.lightbox-title {
  font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700;
  color: #fff; margin-bottom: 0.5rem; letter-spacing: 0.03em;
}
.lightbox-desc {
  font-family: var(--font-serif); font-size: 0.9rem; line-height: 1.7;
  color: rgba(255,255,255,0.75); margin-bottom: 0.5rem;
}
.lightbox-meta {
  font-family: var(--font-sans); font-size: 0.75rem;
  color: rgba(255,255,255,0.45); letter-spacing: 0.05em;
}

/* 灯箱按钮 */
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute; z-index: 2;
  width: 48px; height: 48px; border-radius: 50%;
  background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15);
  color: rgba(255,255,255,0.8);
  display: flex; align-items: center; justify-content: center;
  transition: background var(--transition), color var(--transition);
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover {
  background: rgba(255,255,255,0.2); color: #fff;
}
.lightbox-close { top: 1.5rem; right: 1.5rem; }
.lightbox-prev { left: 1.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 1.5rem; top: 50%; transform: translateY(-50%); }

@media (max-width: 640px) {
  .lightbox-prev { left: 0.5rem; }
  .lightbox-next { right: 0.5rem; }
  .lightbox-close { top: 1rem; right: 1rem; }
  .lightbox-desc { display: none; }
  .lightbox-caption { margin-top: 0.6rem; }
}

/* ============================================================
   v7.0 新增：数字花园 · 行记 · 书架 · 年度
   ============================================================ */

/* 宽容器（花园用双列） */
.main-content.wide { max-width: 1000px; }

/* ---------- 数字花园 ---------- */
.garden-stage-filter { display: flex; gap: 6px; flex-wrap: wrap; }
.stage-btn {
  font-family: var(--font-sans); font-size: 0.82rem;
  padding: 6px 14px; border-radius: 20px;
  color: var(--text-secondary); background: transparent;
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.stage-btn:hover { border-color: var(--accent); color: var(--accent); }
.stage-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.garden-skeleton-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.sk-note { height: 180px; border-radius: var(--radius); background: var(--border); animation: shimmer 1.5s infinite; }

.garden-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px;
}
@media (max-width: 640px) { .garden-grid { grid-template-columns: 1fr; } }

.note-card {
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.4rem 1.5rem; cursor: pointer;
  background: var(--bg-elevated);
  display: flex; flex-direction: column;
  transition: border-color var(--transition), box-shadow var(--transition),
              opacity 0.6s var(--ease), transform 0.6s var(--ease);
  opacity: 0; transform: translateY(16px);
}
.note-card.visible { opacity: 1; transform: translateY(0); }
.note-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); }

.note-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 0.8rem; }
.note-stage { font-family: var(--font-sans); font-size: 0.78rem; letter-spacing: 0.05em; }
.note-stage.seed { color: #8a9a5b; }
.note-stage.growing { color: #5b8a6a; }
.note-stage.evergreen { color: #3d6b52; }
[data-theme="dark"] .note-stage.seed { color: #a8b87a; }
[data-theme="dark"] .note-stage.growing { color: #7ab894; }
[data-theme="dark"] .note-stage.evergreen { color: #8fc4a8; }
.note-date { font-family: var(--font-sans); font-size: 0.72rem; color: var(--text-tertiary); }

.note-title {
  font-family: var(--font-serif); font-size: 1.08rem; font-weight: 700;
  line-height: 1.5; margin-bottom: 0.7rem; letter-spacing: 0.02em;
}
.note-excerpt {
  font-size: 0.88rem; line-height: 1.75; color: var(--text-secondary);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical;
  overflow: hidden;
}
.note-tags { margin-top: auto; padding-top: 1rem; display: flex; gap: 6px; flex-wrap: wrap; }
.note-tag {
  font-family: var(--font-sans); font-size: 0.72rem;
  color: var(--text-tertiary); background: var(--bg-hover);
  padding: 2px 10px; border-radius: 10px;
}

/* 生长度指示条 */
.note-growth { margin-top: 0.8rem; }
.growth-bar { height: 3px; border-radius: 2px; background: var(--border); overflow: hidden; }
.growth-bar-fill { height: 100%; border-radius: 2px; background: var(--accent); transition: width 1s var(--ease); }

/* 笔记弹层（花园/书架共用） */
.note-modal {
  position: fixed; inset: 0; z-index: 200;
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  opacity: 0; transition: opacity 0.3s var(--ease);
}
.note-modal.visible { opacity: 1; }
.note-modal[hidden] { display: none; }
.note-modal-backdrop { position: absolute; inset: 0; background: rgba(10, 8, 6, 0.6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); }
.note-modal-panel {
  position: relative; z-index: 1;
  max-width: 640px; width: 100%; max-height: 82vh; overflow-y: auto;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.4rem 2.4rem 2rem;
  box-shadow: var(--shadow-lg);
}
.note-modal-close {
  position: sticky; top: 0; float: right; margin: -1rem -1rem 0 0;
  width: 36px; height: 36px; border-radius: 50%;
  color: var(--text-tertiary); display: flex; align-items: center; justify-content: center;
  transition: color var(--transition), background var(--transition);
}
.note-modal-close:hover { color: var(--accent); background: var(--accent-soft); }
.note-modal-content .post-body { font-size: 1rem; }
@media (max-width: 480px) { .note-modal-panel { padding: 1.6rem 1.4rem 1.4rem; } }

/* ---------- 行记 ---------- */
.travel-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px;
  margin-bottom: 3rem;
}
.travel-stat {
  text-align: center; padding: 1.2rem 0.8rem;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-elevated);
}
.travel-stat-num {
  font-family: var(--font-serif); font-size: 1.6rem; font-weight: 700;
  color: var(--accent); line-height: 1.3;
}
.travel-stat-label { font-family: var(--font-sans); font-size: 0.78rem; color: var(--text-tertiary); letter-spacing: 0.1em; }
@media (max-width: 480px) { .travel-stat-num { font-size: 1.3rem; } }

.travel-timeline { position: relative; padding-left: 28px; }
.travel-timeline::before {
  content: ''; position: absolute; left: 6px; top: 8px; bottom: 8px;
  width: 1px; background: var(--border-strong);
}

.trip-item { position: relative; padding-bottom: 3rem; opacity: 0; transform: translateY(16px); transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.trip-item.visible { opacity: 1; transform: translateY(0); }
.trip-item:last-child { padding-bottom: 0; }
.trip-item::before {
  content: ''; position: absolute; left: -27px; top: 8px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--bg); border: 2px solid var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.trip-date {
  font-family: var(--font-sans); font-size: 0.78rem; color: var(--text-tertiary);
  letter-spacing: 0.08em; margin-bottom: 0.4rem;
}
.trip-title {
  font-family: var(--font-serif); font-size: clamp(1.2rem, 3vw, 1.4rem);
  font-weight: 700; margin-bottom: 0.5rem; letter-spacing: 0.03em;
}
.trip-location {
  font-family: var(--font-sans); font-size: 0.82rem; color: var(--accent);
  margin-bottom: 0.8rem;
}
.trip-summary { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.85; margin-bottom: 1rem; }
.trip-meta {
  font-family: var(--font-sans); font-size: 0.78rem; color: var(--text-tertiary);
  display: flex; gap: 16px; flex-wrap: wrap;
}
.trip-highlights { margin-top: 0.8rem; display: flex; gap: 6px; flex-wrap: wrap; }
.trip-highlight {
  font-family: var(--font-sans); font-size: 0.74rem;
  color: var(--text-secondary); border: 1px solid var(--border);
  padding: 3px 10px; border-radius: 12px;
}

/* ---------- 书架 ---------- */
.reading-stats, .year-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin-bottom: 1rem;
}
@media (max-width: 640px) { .reading-stats, .year-stats { grid-template-columns: repeat(2, 1fr); } }
.stat-card {
  text-align: center; padding: 1.2rem 0.8rem;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-elevated);
}
.stat-num {
  font-family: var(--font-serif); font-size: 1.7rem; font-weight: 700;
  color: var(--accent); line-height: 1.3;
}
.stat-label { font-family: var(--font-sans); font-size: 0.78rem; color: var(--text-tertiary); letter-spacing: 0.1em; }

/* 正在读 */
.reading-now { display: grid; gap: 14px; }
.now-book {
  border: 1px solid var(--border); border-left: 3px solid var(--accent);
  border-radius: var(--radius); padding: 1.3rem 1.5rem;
  background: var(--bg-elevated);
}
.now-book-title { font-family: var(--font-serif); font-size: 1.1rem; font-weight: 700; margin-bottom: 0.3rem; }
.now-book-author { font-family: var(--font-sans); font-size: 0.82rem; color: var(--text-tertiary); margin-bottom: 0.9rem; }
.now-book-progress { display: flex; align-items: center; gap: 12px; }
.now-book-bar { flex: 1; height: 5px; border-radius: 3px; background: var(--border); overflow: hidden; }
.now-book-bar-fill { height: 100%; background: var(--accent); border-radius: 3px; transition: width 1s var(--ease); }
.now-book-pct { font-family: var(--font-sans); font-size: 0.78rem; color: var(--accent); font-weight: 500; min-width: 38px; text-align: right; }

/* 书卡 */
.book-list { display: flex; flex-direction: column; }
.book-card {
  padding: 1.6rem 0; border-bottom: 1px solid var(--border);
  cursor: pointer;
  opacity: 0; transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}
.book-card.visible { opacity: 1; transform: translateY(0); }
.book-card-top { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 0.3rem; flex-wrap: wrap; }
.book-title { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 700; letter-spacing: 0.02em; }
.book-card:hover .book-title { color: var(--accent); }
.book-meta { font-family: var(--font-sans); font-size: 0.78rem; color: var(--text-tertiary); display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 0.7rem; }
.book-cat { color: var(--accent); font-weight: 500; }
.book-stars { color: var(--accent); letter-spacing: 2px; font-size: 0.8rem; }
.book-quote {
  font-size: 0.92rem; font-style: italic; color: var(--text-secondary);
  line-height: 1.8; padding-left: 1rem; border-left: 2px solid var(--border-strong);
  margin-bottom: 0.7rem;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.book-readmore { font-family: var(--font-sans); font-size: 0.78rem; color: var(--text-tertiary); }

/* ---------- 年度 ---------- */
.goal-list { display: grid; gap: 1.2rem; }
.goal-item { }
.goal-label-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.goal-label { font-family: var(--font-serif); font-size: 0.95rem; }
.goal-count { font-family: var(--font-sans); font-size: 0.8rem; color: var(--text-tertiary); }
.goal-count strong { color: var(--accent); font-weight: 500; }
.goal-bar { height: 8px; border-radius: 4px; background: var(--border); overflow: hidden; }
.goal-bar-fill {
  height: 100%; border-radius: 4px;
  background: linear-gradient(90deg, var(--accent-hover), var(--accent));
  transition: width 1.2s var(--ease);
}
.goal-done .goal-bar-fill { background: linear-gradient(90deg, #5b8a6a, #3d6b52); }

.activity-chart { display: flex; align-items: flex-end; gap: 8px; height: 160px; padding-top: 0.5rem; }
.activity-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; height: 100%; justify-content: flex-end; }
.activity-bar {
  width: 100%; max-width: 36px; border-radius: 4px 4px 0 0;
  background: var(--accent); opacity: 0.85; min-height: 2px;
  transform-origin: bottom; animation: growUp 0.9s var(--ease) forwards;
  transform: scaleY(0);
}
.activity-bar.empty { background: var(--border); opacity: 0.6; }
.activity-month { font-family: var(--font-sans); font-size: 0.7rem; color: var(--text-tertiary); white-space: nowrap; }
@keyframes growUp { to { transform: scaleY(1); } }

.year-highlights { }
.year-highlight-row {
  display: flex; gap: 1.2rem; padding: 1rem 0;
  border-bottom: 1px solid var(--border);
}
.year-highlight-month {
  font-family: var(--font-serif); font-size: 0.9rem; font-weight: 700;
  color: var(--accent); min-width: 3.5em; letter-spacing: 0.05em;
}
.year-highlight-text { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.85; }

.year-quote {
  margin-top: 3.5rem; text-align: center;
  font-family: var(--font-serif); font-size: 1.15rem; font-style: normal;
  color: var(--text); letter-spacing: 0.1em; line-height: 2;
  border: none; padding: 0;
}
.year-quote-source {
  display: block; margin-top: 0.8rem;
  font-family: var(--font-sans); font-size: 0.8rem;
  color: var(--text-tertiary); font-style: normal; letter-spacing: 0.15em;
}

/* ---------- 无障碍 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

/* ---------- 响应式微调 ---------- */
@media (max-width: 480px) {
  body { font-size: 15px; }
  .main-content, .post-page, .about-page, .gallery-main { padding-left: 18px; padding-right: 18px; }
  .travel-timeline { padding-left: 22px; }
  .note-modal { padding: 0.8rem; }
  .back-to-top { bottom: 1.2rem; right: 1.2rem; }
  .post-card { padding: 1.4rem 0; }
  .section-header { margin-bottom: 1.8rem; }
  .post-body { font-size: 1rem; }
}

/* ============================================================
   评论区（Twikoo）· v7.2
   ============================================================ */
.comments-section {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}
.comments-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.12em;
  margin-bottom: 1.5rem;
}
.comments-title::after {
  content: "";
  display: block;
  width: 2.5rem;
  height: 2px;
  background: var(--accent);
  margin-top: 0.6rem;
}

/* Twikoo 轻度样式适配 —— 融入宣纸·墨色·朱砂的设计语言 */
#twikoo {
  font-family: var(--font-sans);
  color: var(--text);
}
#twikoo a { color: var(--accent); }
#twikoo a:hover { color: var(--accent-hover); }
#twikoo .el-textarea__inner,
#twikoo .el-input__inner {
  font-family: var(--font-sans) !important;
  background-color: var(--bg-elevated) !important;
  color: var(--text) !important;
  border-color: var(--border-strong) !important;
  border-radius: var(--radius-sm) !important;
}
#twikoo .el-textarea__inner:focus,
#twikoo .el-input__inner:focus {
  border-color: var(--accent) !important;
}
#twikoo .el-button--primary {
  background-color: var(--accent) !important;
  border-color: var(--accent) !important;
  border-radius: var(--radius-sm) !important;
}
#twikoo .el-button--primary:hover,
#twikoo .el-button--primary:focus {
  background-color: var(--accent-hover) !important;
  border-color: var(--accent-hover) !important;
}
#twikoo .el-button--default {
  background-color: transparent !important;
  color: var(--text-secondary) !important;
  border-color: var(--border-strong) !important;
  border-radius: var(--radius-sm) !important;
}
#twikoo .el-button--text {
  color: var(--accent) !important;
}
#twikoo .tk-nick,
#twikoo .tk-nick-link {
  color: var(--text) !important;
  font-weight: 500;
}
#twikoo .tk-content {
  color: var(--text) !important;
  font-size: 0.95rem;
  line-height: 1.9;
}
#twikoo .tk-meta,
#twikoo .tk-time,
#twikoo .tk-actions-action {
  color: var(--text-tertiary) !important;
}
#twikoo .tk-extras {
  color: var(--text-tertiary) !important;
}
#twikoo .tk-comment {
  border-top: 1px solid var(--border);
}
#twikoo .tk-comments-container .tk-comment:first-child {
  border-top: none;
}
#twikoo .el-loading-mask {
  background-color: var(--bg) !important;
}