/* ============================================
   心茶记 - 博客样式表
   配色：暖米色底 + 鼠尾草绿主色 + 深棕文字
   字体：Noto Serif SC (标题) + Noto Sans SC (正文)
   ============================================ */

/* ---------- 变量 ---------- */
:root {
  /* 颜色系统：温润茶香与鼠尾草绿 */
  --bg: hsl(40, 28%, 96%);           /* 暖奶油白纸面底 */
  --bg-card: hsl(44, 35%, 98.5%);     /* 卡片温润底 */
  --text: hsl(28, 25%, 21%);          /* 深棕墨色正文 */
  --text-muted: hsl(28, 14%, 43%);    /* 辅助文字（对比度更清晰） */
  --primary: hsl(145, 24%, 40%);      /* 鼠尾草绿主色 */
  --primary-light: hsl(145, 26%, 93%);/* 鼠尾草绿淡底 */
  --primary-dark: hsl(145, 28%, 28%); /* 鼠尾草绿深色 */
  --border: hsl(35, 18%, 86%);        /* 暖灰边框 */
  --shadow: 0 2px 12px hsla(28, 20%, 15%, 0.03),
            0 1px 3px hsla(28, 20%, 15%, 0.02);
  --shadow-md: 0 4px 16px hsla(28, 20%, 15%, 0.04),
               0 2px 6px hsla(28, 20%, 15%, 0.03);

  /* 字体系统：完整支持繁简中文与高质量衬线/无衬线字形 */
  --font-serif: 'Noto Serif TC', 'Noto Serif SC', 'Source Han Serif TC', 'Source Han Serif SC',
                'Songti TC', 'Songti SC', 'BiauKai', SimSun, Georgia,
                'Times New Roman', serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Noto Sans TC', 'Noto Sans SC',
               'PingFang TC', 'PingFang SC', 'Microsoft JhengHei', 'Microsoft Yahei',
               'Segoe UI', Roboto, sans-serif;

  /* 间距 */
  --radius: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;
}

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

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.015em;
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main {
  flex: 1;
  width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

img {
  max-width: 100%;
  display: block;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ---------- 工具类 ---------- */
.container {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  width: 100%;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.font-serif {
  font-family: var(--font-serif);
}

.text-muted {
  color: var(--text-muted);
}

/* ---------- 顶部导航 ---------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background-color: hsla(40, 30%, 96%, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
  border-bottom-color: var(--border);
  box-shadow: var(--shadow);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.5px;
}

.navbar-brand:hover {
  color: var(--text);
}

.navbar-brand .leaf {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.navbar-links a {
  font-size: 14px;
  color: var(--text-muted);
  position: relative;
  padding: 4px 0;
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--text);
}

.navbar-links a.active {
  font-weight: 500;
}

.navbar-links a.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background-color: var(--primary);
  border-radius: 1px;
}

/* 移动端菜单按钮 */
.menu-toggle {
  display: none;
  padding: 8px;
  margin-right: -8px;
  color: var(--text);
}

.menu-toggle svg {
  width: 20px;
  height: 20px;
}

/* ---------- Hero 区域 ---------- */
.hero {
  position: relative;
  padding: 96px 0 112px;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at top center, hsla(145, 25%, 80%, 0.25), transparent 60%),
    radial-gradient(ellipse at bottom left, hsla(35, 50%, 85%, 0.2), transparent 50%);
  z-index: -1;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background-color: hsla(145, 22%, 42%, 0.1);
  color: var(--primary);
  font-size: 13px;
  margin-bottom: 24px;
}

.hero-tag svg {
  width: 14px;
  height: 14px;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 5vw, 48px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}

.hero-title .accent {
  color: var(--primary);
}

.hero-subtitle {
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.8;
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto 32px;
}

.hero-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.25s ease;
  cursor: pointer;
  border: none;
  line-height: 1.5;
}

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

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

.btn-outline {
  background-color: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: var(--primary-light);
}

.btn svg {
  width: 15px;
  height: 15px;
}

/* ---------- 区块通用 ---------- */
.section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3.5vw, 30px);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 16px;
}

.section-divider {
  width: 48px;
  height: 1px;
  background-color: hsla(145, 22%, 42%, 0.3);
  margin: 0 auto;
}

/* ---------- 文章卡片 ---------- */
.post-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.post-card {
  display: block;
  padding: 28px 32px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: hsla(145, 22%, 42%, 0.3);
}

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

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.post-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.post-card-meta svg {
  width: 13px;
  height: 13px;
}

.post-card-title {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.5vw, 22px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 12px;
  transition: color 0.2s ease;
}

.post-card-title a {
  color: inherit;
  text-decoration: none;
}

.post-card-excerpt {
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.post-card-readmore {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  opacity: 0;
  transform: translateX(-8px);
  transition: all 0.3s ease;
  text-decoration: none;
}

.post-card:hover .post-card-readmore {
  opacity: 1;
  transform: translateX(0);
}

.post-card-readmore svg {
  width: 14px;
  height: 14px;
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-full);
  background-color: hsla(145, 22%, 42%, 0.1);
  color: var(--primary-dark);
  font-size: 12px;
  line-height: 1.6;
  font-family: var(--font-sans, sans-serif);
  text-decoration: none;
  transition: all 0.2s ease;
  border: none;
  cursor: default;
}

a.tag {
  cursor: pointer;
}

a.tag:hover {
  background-color: hsla(145, 22%, 42%, 0.2);
  color: var(--primary-dark);
  text-decoration: none;
}

/* ---------- 引言金句区 ---------- */
.quote-section {
  padding: 64px 0;
  background-color: var(--primary-light);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.quote-text {
  font-family: var(--font-serif);
  font-size: clamp(18px, 3vw, 24px);
  font-style: italic;
  line-height: 1.7;
  color: var(--text);
  text-align: center;
  max-width: 560px;
  margin: 0 auto;
}

.quote-author {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 20px;
}

/* ---------- 页脚 ---------- */
.footer {
  margin-top: 80px;
  padding: 40px 0;
  border-top: 1px solid var(--border);
  background-color: hsla(44, 35%, 98%, 0.5);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--text-muted);
}

.footer-brand svg {
  width: 16px;
  height: 16px;
  color: var(--primary);
}

.footer-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 5px 14px;
  cursor: pointer;
  transition: all 0.2s ease;
  line-height: 1.5;
  font-weight: 500;
}

.footer-btn:hover {
  color: var(--primary-dark);
  border-color: var(--primary);
  background-color: hsla(145, 24%, 40%, 0.08);
}

.footer-btn svg {
  width: 15px;
  height: 15px;
  color: var(--primary);
}

.footer-email {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  color: var(--text-muted);
  padding: 4px 0;
}

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

.footer-email svg {
  width: 14px;
  height: 14px;
}

.footer-copy {
  font-size: 12px;
  color: hsla(28, 15%, 45%, 0.6);
}

/* ============================================
   关于页
   ============================================ */

.about-hero {
  padding: 80px 0 64px;
  text-align: center;
}

.about-avatar {
  position: relative;
  width: 160px;
  height: 160px;
  margin: 0 auto 40px;
}

.about-avatar::before {
  content: '';
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  background-color: hsla(145, 22%, 42%, 0.1);
  filter: blur(16px);
  z-index: -1;
}

.about-avatar img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  object-position: center 20%;
  border: 4px solid var(--bg-card);
  box-shadow: var(--shadow-md);
}

.about-bio {
  text-align: left;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text);
}

.about-bio p {
  margin-bottom: 18px;
}

/* 核心理念卡片 */
.values-section {
  background-color: hsla(145, 25%, 92%, 0.35);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.value-card {
  padding: 28px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.value-card:hover {
  border-color: hsla(145, 22%, 42%, 0.3);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.value-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: hsla(145, 22%, 42%, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.value-icon svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.value-title {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.value-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* 结语区 */
.closing-section {
  padding: 80px 0;
  text-align: center;
}

.closing-title {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3.5vw, 28px);
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
}

.closing-text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 32px;
}

.closing-email {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 16px;
  font-weight: 500;
  color: var(--primary);
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color 0.2s ease;
}

.closing-email:hover {
  border-bottom-color: var(--primary);
}

/* ============================================
   文章详情页
   ============================================ */

.post-header-bar {
  position: sticky;
  top: 64px;
  z-index: 90;
  background-color: hsla(40, 30%, 96%, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.post-header-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 48px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  color: var(--text-muted);
  padding: 4px 8px;
  margin-left: -8px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.back-link:hover {
  color: var(--text);
  background-color: hsla(145, 22%, 42%, 0.06);
}

.back-link svg {
  width: 16px;
  height: 16px;
}

.post-article {
  padding: 48px 0 80px;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.post-title {
  font-family: var(--font-serif);
  font-size: clamp(24px, 4vw, 38px);
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 24px;
  letter-spacing: -0.3px;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  font-size: 14px;
  color: var(--text-muted);
  padding-bottom: 32px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.post-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.post-meta svg {
  width: 15px;
  height: 15px;
}

/* 正文排版 */
.post-content {
  font-size: 16.5px;
  line-height: 1.95;
  letter-spacing: 0.018em;
  color: var(--text);
  word-break: break-word;
}

/* 隐藏文章开头的重复 H1 标题（因模板已渲染 post-title） */
.post-content > h1:first-child {
  display: none;
}

.post-content p {
  margin-bottom: 24px;
}

.post-content h2 {
  font-family: var(--font-serif);
  font-size: clamp(20px, 3vw, 25px);
  font-weight: 600;
  color: var(--text);
  margin-top: 52px;
  margin-bottom: 20px;
  padding-left: 14px;
  border-left: 3.5px solid var(--primary);
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.post-content h2:first-of-type {
  margin-top: 0;
}

.post-content h3 {
  font-family: var(--font-serif);
  font-size: clamp(17px, 2.4vw, 20px);
  font-weight: 600;
  color: var(--text);
  margin-top: 36px;
  margin-bottom: 14px;
  line-height: 1.5;
  padding-left: 4px;
}

.post-content h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-top: 28px;
  margin-bottom: 12px;
}

/* 引用块（温润书卷感，移除中文不适用的斜体） */
.post-content blockquote {
  margin: 36px 0;
  padding: 22px 28px;
  border-left: 4px solid var(--primary);
  background: linear-gradient(135deg, hsla(145, 25%, 92%, 0.65), hsla(44, 35%, 98%, 0.75));
  border-radius: 0 12px 12px 0;
  font-style: normal;
  font-family: var(--font-serif);
  font-size: 16.5px;
  color: var(--text);
  line-height: 1.9;
  box-shadow: 0 1px 3px hsla(28, 20%, 15%, 0.02);
}

.post-content blockquote p {
  margin-bottom: 14px;
}

.post-content blockquote p:last-child {
  margin-bottom: 0;
}

/* 列表排版 */
.post-content ul,
.post-content ol {
  margin: 18px 0 24px;
  padding-left: 26px;
}

.post-content li {
  margin-bottom: 10px;
  line-height: 1.85;
}

.post-content li:last-child {
  margin-bottom: 0;
}

/* 分隔线 */
.post-content hr {
  margin: 44px auto;
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
  width: 80%;
}

.post-content strong {
  font-weight: 600;
  color: var(--text);
}

/* 文章内超链接 */
.post-content a {
  color: var(--primary-dark);
  text-decoration: underline;
  text-decoration-color: hsla(145, 22%, 42%, 0.35);
  text-underline-offset: 4px;
  transition: all 0.2s ease;
}

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

/* 教练反思与觉察提问卡片 */
.coaching-box,
.reflection-box {
  margin: 36px 0;
  padding: 24px 28px;
  background-color: hsla(145, 24%, 40%, 0.05);
  border: 1px solid hsla(145, 24%, 40%, 0.2);
  border-radius: var(--radius-lg);
  line-height: 1.85;
}

.coaching-box-title {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* 读者微信群邀请卡片 */
.community-card {
  margin: 56px 0 24px;
  padding: 32px 36px;
  background: linear-gradient(135deg, hsla(145, 25%, 94%, 0.8), hsla(44, 35%, 98.5%, 0.95));
  border: 1px solid hsla(145, 24%, 40%, 0.22);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.community-card-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.community-content {
  flex: 1;
}

.community-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background-color: hsla(145, 24%, 40%, 0.12);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 14px;
}

.community-badge svg {
  width: 14px;
  height: 14px;
  color: var(--primary);
}

.community-title {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
  line-height: 1.4;
}

.community-desc {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.community-note {
  font-size: 12.5px;
  line-height: 1.6;
  color: hsla(28, 14%, 43%, 0.85);
}

.community-note a {
  color: var(--primary-dark);
  text-decoration: underline;
}

.community-qrs {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.community-qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.qr-wrapper {
  width: 128px;
  height: 128px;
  background-color: #fff;
  padding: 6px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.qr-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.qr-label {
  font-size: 11.5px;
  color: var(--text-muted);
  font-weight: 500;
  text-align: center;
}

@media (max-width: 680px) {
  .community-card {
    padding: 24px 20px;
    margin: 40px 0 20px;
  }
  .community-card-inner {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
  .community-badge {
    margin-left: auto;
    margin-right: auto;
  }
  .community-qrs {
    justify-content: center;
    width: 100%;
    gap: 16px;
  }
  .qr-wrapper {
    width: 124px;
    height: 124px;
  }
}

/* 微信與社群全局弹窗 */
.wechat-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 999;
  background-color: hsla(0, 0%, 0%, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.wechat-modal.active {
  display: flex;
}

.wechat-modal-box {
  background-color: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: 30px 24px 24px;
  max-width: 440px;
  width: 100%;
  text-align: center;
  box-shadow: 0 12px 32px hsla(0, 0%, 0%, 0.18);
  position: relative;
  border: 1px solid var(--border);
  animation: modalPop 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.wechat-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  color: var(--text-muted);
  padding: 6px;
  border-radius: 50%;
  cursor: pointer;
  line-height: 1;
}

.wechat-modal-close:hover {
  color: var(--text);
  background-color: hsla(0, 0%, 0%, 0.05);
}

.wechat-modal-title {
  font-family: var(--font-serif);
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}

.wechat-modal-desc {
  font-size: 13.5px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 18px;
}

.modal-qrs-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  margin: 0 auto 10px;
  flex-wrap: wrap;
}

.modal-qr-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.wechat-modal-qr {
  width: 136px;
  height: 136px;
  margin: 0 auto 4px;
  padding: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.wechat-modal-qr img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.wechat-modal-hint {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

/* 上下篇导航 */
.post-nav {
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.post-nav-card {
  display: block;
  padding: 16px 20px;
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: all 0.3s ease;
}

.post-nav-card:hover {
  border-color: hsla(145, 22%, 42%, 0.3);
  background-color: var(--bg-card);
}

.post-nav-card.prev .post-nav-label {
  justify-content: flex-start;
}

.post-nav-card.next {
  text-align: right;
}

.post-nav-card.next .post-nav-label {
  justify-content: flex-end;
}

.post-nav-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.post-nav-label svg {
  width: 14px;
  height: 14px;
}

.post-nav-title {
  font-family: var(--font-serif);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.2s ease;
}

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

/* 返回列表 */
.back-to-list {
  text-align: center;
  margin-top: 48px;
}

.back-to-list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-muted);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  background-color: hsla(145, 22%, 42%, 0.06);
  transition: all 0.2s ease;
}

.back-to-list a:hover {
  color: var(--primary);
  background-color: hsla(145, 22%, 42%, 0.12);
}

.back-to-list svg {
  width: 14px;
  height: 14px;
}

/* ---------- 回到顶部按钮 ---------- */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 32px;
  z-index: 90;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s ease;
  cursor: pointer;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
}

.back-to-top svg {
  width: 18px;
  height: 18px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 769px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (max-width: 768px) {
  /* 移动端导航与触摸尺寸 */
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    min-height: 44px;
    padding: 8px;
    margin-right: -8px;
    color: var(--text);
  }

  .navbar-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background-color: hsla(40, 28%, 96%, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 8px 20px 20px;
    display: none;
    box-shadow: var(--shadow-md);
  }

  .navbar-links.open {
    display: flex;
  }

  .navbar-links li {
    border-bottom: 1px solid var(--border);
  }

  .navbar-links li:last-child {
    border-bottom: none;
  }

  .navbar-links a {
    display: block;
    padding: 14px 4px;
    font-size: 15px;
  }

  .navbar-links a.active::after {
    display: none;
  }

  .navbar-links .lang-toggle {
    padding-top: 14px;
    display: flex;
    justify-content: flex-start;
  }

  .navbar-links .lang-toggle .lang-btn {
    padding: 6px 18px;
    font-size: 14px;
  }

  /* 移动端文章头部优化：取消二级 sticky，释放阅读视野 */
  .post-header-bar {
    position: static;
    border-bottom: 1px solid var(--border);
  }

  .post-header-bar-inner {
    height: 44px;
  }

  /* 间距与卡片调整 */
  .hero {
    padding: 56px 0 68px;
  }

  .section {
    padding: 56px 0;
  }

  .post-card {
    padding: 20px 20px;
  }

  .values-grid {
    grid-template-columns: 1fr;
  }

  .about-avatar {
    width: 128px;
    height: 128px;
  }

  .post-article {
    padding: 28px 0 56px;
  }

  .post-title {
    font-size: clamp(22px, 5.5vw, 28px);
    line-height: 1.4;
    margin-bottom: 18px;
  }

  .post-meta {
    gap: 16px;
    font-size: 13px;
    padding-bottom: 24px;
    margin-bottom: 32px;
    flex-wrap: wrap;
  }

  .post-content {
    font-size: 16px;
    line-height: 1.9;
  }

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

  .post-content h2 {
    margin-top: 40px;
    margin-bottom: 16px;
    font-size: 21px;
  }

  .post-content blockquote {
    margin: 28px 0;
    padding: 18px 20px;
    font-size: 15.5px;
  }

  .post-nav {
    grid-template-columns: 1fr;
  }

  .post-nav-card.next {
    text-align: left;
  }

  .post-nav-card.next .post-nav-label {
    justify-content: flex-start;
  }
}

/* 手机小屏幕边距与触控体验 */
@media (max-width: 640px) {
  .container,
  .container-wide {
    padding: 0 18px;
  }

  .navbar-inner {
    padding: 0 18px;
    height: 58px;
  }

  .back-to-top {
    right: 16px;
    bottom: 24px;
    width: 42px;
    height: 42px;
  }
}

/* ---------- 可访问性：focus 状态 ---------- */
a:focus-visible,
button:focus-visible,
.post-card:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 动画：淡入 ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeInUp 0.6s ease both;
}

.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }

/* ============================================
   标签页面
   ============================================ */

/* 标签云 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 48px;
}

.tag-lg {
  font-size: 14px;
  padding: 6px 16px;
  transition: all 0.2s ease;
  text-decoration: none;
}

.tag-lg:hover {
  background-color: hsla(145, 22%, 42%, 0.2);
  transform: translateY(-1px);
}

.tag-count {
  display: inline-block;
  background-color: var(--primary);
  color: #fff;
  font-size: 11px;
  padding: 1px 7px;
  border-radius: var(--radius-full);
  margin-left: 6px;
  line-height: 1.4;
}

/* 标签分类区块 */
.tag-section {
  margin-bottom: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border);
}

.tag-section:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.tag-section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.tag-section-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.tag-section-title svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
}

.tag-section-count {
  font-size: 13px;
  color: var(--text-muted);
  background-color: var(--bg-secondary);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

/* 标签下的文章列表 */
.tag-post-list {
  display: grid;
  gap: 12px;
}

.tag-post-item {
  display: block;
  padding: 16px 20px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all 0.2s ease;
  text-decoration: none;
}

.tag-post-item:hover {
  border-color: hsla(145, 22%, 42%, 0.3);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.tag-post-date {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.tag-post-date svg {
  width: 13px;
  height: 13px;
}

.tag-post-title {
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  line-height: 1.5;
}

.tag-post-excerpt {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

/* 响应式 */
@media (max-width: 768px) {
  .tag-cloud {
    gap: 8px;
  }

  .tag-lg {
    font-size: 13px;
    padding: 5px 14px;
  }

  .tag-section-title {
    font-size: 19px;
  }

  .tag-post-item {
    padding: 14px 16px;
  }

  .tag-post-title {
    font-size: 15px;
  }
}