/* 苹果极简风格 - 思源宋体 */

/* 导入思源宋体和装饰性字体 */
@import url('https://fonts.googleapis.com/css2?family=UnifrakturMaguntia&family=Noto+Serif+SC:wght@400;500;600;700&display=swap');

/* 网站标题字体 - Party LET风格 */
.site-title {
  font-family: 'Party LET', 'UnifrakturMaguntia', 'Noto Serif SC', 'Songti SC', 'STSong', cursive, serif !important;
  font-size: 1.6rem !important;
  letter-spacing: 0.08em !important;
  font-weight: normal !important;
}

/* 导航链接字体 - Party LET风格 */
.site-nav .page-link {
  font-family: 'Party LET', 'UnifrakturMaguntia', 'Noto Serif SC', 'Songti SC', 'STSong', cursive, serif !important;
  font-size: 1.2rem !important;
  letter-spacing: 0.05em !important;
  font-weight: normal !important;
}

/* 响应式调整标题和导航大小 */
@media (max-width: 600px) {
  .site-title {
    font-size: 1.3rem !important;
  }
  .site-nav .page-link {
    font-size: 1rem !important;
  }
}

/* ==================== 主题颜色变量 ==================== */
:root {
  --bg-primary: #f5f5f7;
  --bg-secondary: #ffffff;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-muted: #86868b;
  --border-color: #d2d2d7;
  --accent-color: #0071e3;
  --accent-hover: #0077ed;
  --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  --hover-bg: #fbfbfd;
}

/* 原生主题（白色）- 默认 */
[data-theme="light"] {
  --bg-primary: #f5f5f7;
  --bg-secondary: #ffffff;
  --text-primary: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-muted: #86868b;
  --border-color: #d2d2d7;
  --accent-color: #0071e3;
  --accent-hover: #0077ed;
  --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  --hover-bg: #fbfbfd;
}

/* 夜晚主题（黑色） */
[data-theme="dark"] {
  --bg-primary: #000000;
  --bg-secondary: #1c1c1e;
  --text-primary: #f5f5f7;
  --text-secondary: #98989d;
  --text-muted: #636366;
  --border-color: #38383a;
  --accent-color: #0a84ff;
  --accent-hover: #409cff;
  --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
  --hover-bg: #2c2c2e;
}

/* 护眼主题（米黄色） */
[data-theme="eye-care"] {
  --bg-primary: #f6f0e6;
  --bg-secondary: #fffbf0;
  --text-primary: #4a4a4a;
  --text-secondary: #7a7a7a;
  --text-muted: #9a9a9a;
  --border-color: #e8dcc8;
  --accent-color: #b8860b;
  --accent-hover: #daa520;
  --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --hover-bg: #f7f1e7;
}

/* ==================== 全局样式 ==================== */
html, body {
  font-family: "Noto Serif SC", "Songti SC", "STSong", "PingFang SC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
  line-height: 1.7 !important;
  color: var(--text-primary) !important;
  background-color: var(--bg-primary) !important;
  transition: background-color 0.3s ease, color 0.3s ease !important;
}

/* 重置默认链接颜色 */
a {
  color: var(--accent-color) !important;
  transition: color 0.2s ease;
}

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

/* ==================== 主题切换器 ==================== */
.theme-switcher {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  gap: 6px;
  padding: 6px;
  background-color: var(--bg-secondary);
  border-radius: 50px;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.theme-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all 0.2s ease;
  background-color: transparent;
  color: var(--text-secondary);
}

.theme-btn:hover {
  background-color: var(--hover-bg);
  transform: scale(1.1);
}

.theme-btn.active {
  background-color: var(--accent-color);
  color: white;
}

.theme-btn.active:hover {
  background-color: var(--accent-hover);
}

/* ==================== 页面标题 ==================== */
.page-title {
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif !important;
  font-weight: 600 !important;
  letter-spacing: 0.12em !important;
  text-align: center !important;
  font-size: 2.5rem !important;
  margin-bottom: 1rem !important;
  color: var(--text-primary) !important;
}

/* ==================== 英雄区域 ==================== */
.hero-section {
  text-align: center !important;
  padding: 2.5rem 1rem !important;
  background-color: var(--bg-secondary) !important;
  color: var(--text-primary) !important;
  margin: -2rem -2rem 2rem -2rem !important;
  border-bottom: 1px solid var(--border-color) !important;
  transition: background-color 0.3s ease, border-color 0.3s ease !important;
}

.hero-section h1 {
  color: var(--text-primary) !important;
  margin-bottom: 0.75rem !important;
}

.hero-subtitle {
  font-size: 1.1rem !important;
  color: var(--text-secondary) !important;
  margin-bottom: 0 !important;
  font-weight: 400 !important;
}

/* ==================== 内容卡片 ==================== */
.section-card {
  background: var(--bg-secondary) !important;
  border-radius: 18px !important;
  padding: 2rem !important;
  margin-bottom: 2rem !important;
  box-shadow: var(--card-shadow) !important;
  border: 1px solid var(--border-color) !important;
  transition: background-color 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease !important;
}

.section-card h2 {
  margin-top: 0 !important;
  margin-bottom: 1.25rem !important;
  color: var(--text-primary) !important;
  font-size: 1.5rem !important;
  font-weight: 600 !important;
  letter-spacing: 0.04em !important;
  font-family: "Noto Serif SC", "Songti SC", "STSong", serif !important;
  display: flex !important;
  align-items: center !important;
  gap: 0.6rem !important;
}

/* ==================== 介绍列表 ==================== */
.intro-list {
  list-style: none !important;
  padding: 0 !important;
  margin: 1rem 0 !important;
}

.intro-list li {
  padding: 1rem 0 !important;
  border-bottom: 1px solid var(--hover-bg) !important;
  display: flex !important;
  align-items: flex-start !important;
  gap: 0.875rem !important;
  transition: border-color 0.3s ease !important;
}

.intro-list li:last-child {
  border-bottom: none !important;
}

.intro-emoji {
  font-size: 1.5rem !important;
  line-height: 1 !important;
  opacity: 0.8 !important;
}

/* ==================== 写作原则 ==================== */
.writing-principle {
  background-color: var(--hover-bg) !important;
  padding: 1.25rem 1.5rem !important;
  border-radius: 12px !important;
  margin-top: 1.25rem !important;
  color: var(--text-secondary) !important;
  font-size: 0.95rem !important;
  line-height: 1.8 !important;
  transition: background-color 0.3s ease, color 0.3s ease !important;
}

/* ==================== 文章列表 ==================== */
.post-list {
  list-style: none !important;
  padding: 0 !important;
  margin: 1rem 0 !important;
}

.post-item {
  padding: 1.1rem 0 !important;
  border-bottom: 1px solid var(--hover-bg) !important;
  display: flex !important;
  align-items: flex-start !important;
  gap: 1.25rem !important;
  transition: background-color 0.2s ease, border-color 0.3s ease !important;
  margin: 0 -0.75rem !important;
  padding-left: 0.75rem !important;
  padding-right: 0.75rem !important;
  border-radius: 8px !important;
}

.post-item:hover {
  background-color: var(--hover-bg) !important;
}

.post-item:last-child {
  border-bottom: none !important;
}

.post-date {
  color: var(--text-muted) !important;
  font-size: 0.875rem !important;
  white-space: nowrap !important;
  min-width: 110px !important;
  font-weight: 400 !important;
  transition: color 0.3s ease !important;
}

.post-link {
  color: var(--text-primary) !important;
  text-decoration: none !important;
  font-weight: 500 !important;
  font-size: 1.02rem !important;
  transition: color 0.2s ease !important;
}

.post-link:hover {
  color: var(--accent-color) !important;
  text-decoration: none !important;
}

/* ==================== 精选文章 ==================== */
.featured-post {
  background-color: var(--hover-bg) !important;
  padding: 1.5rem !important;
  border-radius: 12px !important;
  margin: 1.25rem 0 !important;
  border-left: 3px solid var(--accent-color) !important;
  transition: background-color 0.3s ease, border-color 0.3s ease !important;
}

.featured-post a {
  color: var(--text-primary) !important;
  font-size: 1.1rem !important;
  font-weight: 600 !important;
  text-decoration: none !important;
  transition: color 0.2s ease !important;
}

.featured-post a:hover {
  color: var(--accent-color) !important;
  text-decoration: none !important;
}

/* ==================== 留言板 ==================== */
.message-board {
  text-align: center !important;
  margin-top: 2.5rem !important;
  padding: 2rem !important;
  background-color: var(--bg-secondary) !important;
  border-radius: 18px !important;
  box-shadow: var(--card-shadow) !important;
  border: 1px solid var(--border-color) !important;
  transition: background-color 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease !important;
}

.message-board a {
  color: var(--accent-color) !important;
  text-decoration: none !important;
  font-weight: 500 !important;
  font-size: 1rem !important;
  padding: 0.75rem 1.75rem !important;
  border: 1px solid var(--accent-color) !important;
  border-radius: 980px !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 0.5rem !important;
  transition: all 0.2s ease !important;
}

.message-board a:hover {
  background-color: var(--accent-color) !important;
  color: white !important;
}

/* ==================== 页脚样式 ==================== */
.site-footer-visitors {
  margin-top: 12px !important;
  text-align: center !important;
  font-size: 12px !important;
  opacity: 0.6 !important;
}

.site-footer-visitors img {
  margin-left: 6px !important;
  vertical-align: middle !important;
}

.site-footer-social {
  margin-top: 8px !important;
  text-align: center !important;
}

.site-footer-social .social-link {
  display: inline-flex !important;
  align-items: center !important;
  gap: 6px !important;
  font-size: 13px !important;
  opacity: 0.8 !important;
  text-decoration: none !important;
}

.site-footer-social .social-link:hover {
  opacity: 1 !important;
  text-decoration: underline !important;
}

.site-footer-social .social-icon {
  font-size: 16px !important;
}

.github-icon {
  vertical-align: -2px !important;
  margin-right: 4px !important;
}

/* ==================== 响应式 ==================== */
@media (max-width: 600px) {
  .theme-switcher {
    bottom: 15px;
    right: 15px;
    padding: 5px;
    gap: 5px;
  }

  .theme-btn {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }

  .hero-section {
    margin: -1rem -1rem 1.5rem -1rem !important;
    padding: 2rem 1rem !important;
  }

  .page-title {
    font-size: 2rem !important;
  }

  .post-item {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 0.35rem !important;
  }

  .post-date {
    min-width: auto !important;
  }

  .section-card {
    padding: 1.5rem !important;
  }
}