/* ============================================================
   site-frame.css —— crabapplelab.com 站点框架
   从站点真实 CSS 抽取：导航栏 / 页头 / 页脚 / 按钮 / 抽屉
   令牌映射：--haitang-* 指向打字应用已有令牌，保证视觉一致
   ============================================================ */

/* ---------- 站点令牌（映射到打字应用令牌） ---------- */
:root {
  --haitang-bg: var(--bg);
  --haitang-bg-deep: var(--card-alt);
  --haitang-nav-bg: rgba(251, 246, 235, 0.85);
  --haitang-accent: var(--accent);
  --haitang-accent-deep: var(--accent-deep);
  --haitang-accent-warm: var(--accent-warm);
  --haitang-accent-soft: #E5BC8C;
  --haitang-accent-light: var(--accent-light);
  --haitang-text: var(--text);
  --haitang-text-light: var(--text-light);
  --haitang-text-muted: var(--text-muted);
  --haitang-footer-bg: #1F1B16;
  --haitang-footer-text: #F5EEDF;
  --haitang-footer-muted: rgba(245, 238, 223, 0.6);
  --haitang-border: var(--border);
  --haitang-border-strong: var(--border-strong);
  --haitang-card: var(--card);
  --haitang-font-body: var(--font-body);
  --haitang-font-display: var(--font-display);
  --haitang-font-mono: var(--font-mono);
  --haitang-nav-height: 76px;
  --haitang-container: 1240px;
}

[data-theme="dark"] {
  --haitang-nav-bg: rgba(21, 18, 14, 0.88);
}

/* ============================================================
   顶部导航栏
   ============================================================ */
.main-navigation-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--haitang-nav-bg);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--haitang-border);
  min-height: var(--haitang-nav-height);
  display: flex;
  align-items: center;
  padding: 0 40px;
  transition: background-color 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  --nav-pct: 0;
}
.main-navigation-bar.scrolled {
  box-shadow: 0 4px 24px rgba(74, 56, 32, 0.06);
}
[data-theme="dark"] .main-navigation-bar.scrolled {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

/* 顶部滚动进度条 */
.nav-progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  pointer-events: none;
  z-index: 2;
  overflow: hidden;
}
.nav-progress::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--haitang-accent-warm), var(--haitang-accent));
  transform: scaleX(var(--nav-pct, 0));
  transform-origin: left center;
  transition: transform 0.08s linear;
  box-shadow: 0 0 8px rgba(193, 138, 74, 0.45);
}

.nav-inner {
  width: 100%;
  max-width: var(--haitang-container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

/* ---------- 左侧品牌 ---------- */
.nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  transition: opacity 0.3s var(--ease);
  text-decoration: none;
}
.nav-left:hover { opacity: 0.85; }
.nav-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--haitang-accent-warm), var(--haitang-accent));
  background-image: url("https://blogcloudystem.cn-sy1.rains3.com/%E5%8D%9A%E5%AE%A2%E5%90%8E%E5%8F%B0/%E7%AE%A1%E7%90%86%E5%91%98%E5%A4%B4%E5%83%8F.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 17px;
  font-family: var(--haitang-font-display);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(193, 138, 74, 0.35), inset 0 0 0 1px rgba(255, 255, 255, 0.2);
  text-indent: -9999px;
  overflow: hidden;
}
.nav-name-block { display: flex; flex-direction: column; line-height: 1.2; }
.nav-name {
  font-family: var(--haitang-font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--haitang-text);
  letter-spacing: 0.01em;
}
.nav-subtitle {
  font-size: 11px;
  color: var(--haitang-text-muted);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 2px;
}

/* ---------- 中间导航链接 ---------- */
.nav-center {
  display: flex;
  align-items: center;
  gap: 2px;
}
.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--haitang-text-light);
  position: relative;
  transition: color 0.3s var(--ease);
  padding: 8px 13px;
  border-radius: 8px;
  text-decoration: none;
  white-space: nowrap;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--haitang-accent);
  transform: scaleX(0);
  transform-origin: center center;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.3s var(--ease);
  pointer-events: none;
}
.nav-link:hover {
  color: var(--haitang-text);
  background: transparent;
}
.nav-link:hover::after {
  transform: scaleX(0.7);
  background: var(--haitang-accent-light);
}
.nav-link.active {
  color: var(--haitang-accent);
  font-weight: 600;
}
.nav-link.active::after {
  transform: scaleX(1);
  background: var(--haitang-accent);
  box-shadow: 0 0 8px rgba(193, 138, 74, 0.5);
}

/* 新增「打字」入口：用一枚小徽标强调 */
.nav-link.is-new {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.nav-link .nav-new-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--haitang-accent);
  box-shadow: 0 0 8px rgba(193, 138, 74, 0.8);
  animation: navDotPulse 2.2s var(--ease-soft) infinite;
}
@keyframes navDotPulse {
  0%, 100% { opacity: 0.55; transform: scale(1); }
  50%      { opacity: 1;    transform: scale(1.3); }
}

/* ---------- 右侧工具区 ---------- */
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--haitang-text-muted);
}
.nav-clock {
  font-family: var(--haitang-font-mono);
  font-size: 12.5px;
  letter-spacing: 0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--haitang-text-muted);
  white-space: nowrap;
}
.nav-search-toggle,
.theme-toggle {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--haitang-border-strong);
  background: transparent;
  color: var(--haitang-text-light);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s var(--ease);
  flex-shrink: 0;
}
.nav-search-toggle svg { width: 17px; height: 17px; }
.theme-toggle svg { width: 17px; height: 17px; }
.nav-search-toggle:hover,
.theme-toggle:hover {
  border-color: var(--haitang-accent);
  color: var(--haitang-accent);
  background: var(--haitang-accent-light);
}
.theme-toggle:hover { transform: rotate(15deg); }

/* 主题图标切换（仅限站点导航栏内，避免与打字应用 .topbar 内的按钮冲突） */
.main-navigation-bar .theme-toggle .icon-sun { display: none; }
.main-navigation-bar .theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .main-navigation-bar .theme-toggle .icon-sun { display: block; }
[data-theme="dark"] .main-navigation-bar .theme-toggle .icon-moon { display: none; }

/* 语言切换器 */
.lang-switcher { position: relative; }
.lang-switcher-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 12px;
  border-radius: 100px;
  border: 1px solid var(--haitang-border-strong);
  background: transparent;
  color: var(--haitang-text-light);
  font-size: 12.5px;
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.lang-switcher-btn:hover {
  border-color: var(--haitang-accent);
  color: var(--haitang-accent);
  background: var(--haitang-accent-light);
}
.lang-switcher-btn .caret {
  font-size: 10px;
  opacity: 0.6;
  transition: transform 0.3s var(--ease);
}
.lang-switcher.open .lang-switcher-btn .caret { transform: rotate(180deg); }
.lang-switcher-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 150px;
  padding: 6px;
  border-radius: 12px;
  background: var(--haitang-nav-bg);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--haitang-border);
  box-shadow: 0 12px 36px -10px rgba(74, 56, 32, 0.24);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px) scale(0.97);
  transform-origin: top right;
  transition: opacity 0.24s var(--ease-out), visibility 0.24s var(--ease-out), transform 0.24s var(--ease-out);
  z-index: 20;
}
.lang-switcher.open .lang-switcher-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}
.lang-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--haitang-text-light);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}
.lang-option:hover {
  background: var(--haitang-accent-light);
  color: var(--haitang-accent);
}
.lang-option .check { opacity: 0; font-size: 12px; }
.lang-option.active { color: var(--haitang-accent); font-weight: 600; }
.lang-option.active .check { opacity: 1; }

/* 登录按钮（站内 mini 尺寸） */
.main-navigation-bar .btn-login {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  background: var(--haitang-accent);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(193, 138, 74, 0.25);
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.main-navigation-bar .btn-login:hover {
  background: var(--haitang-accent-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(193, 138, 74, 0.35);
}

/* 已登录：用户名 + 退出按钮 */
.main-navigation-bar .nav-user-menu { margin-left: 4px; }
.nav-user-name {
  font-size: 13px;
  color: var(--haitang-text-light);
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.main-navigation-bar .nav-logout-btn { padding: 8px 16px; }
@media (max-width: 720px) {
  .nav-user-name { display: none; }
}

/* ---------- 汉堡按钮 ---------- */
.nav-mobile-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid var(--haitang-border);
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  padding: 0 8px;
  flex-shrink: 0;
}
.nav-mobile-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--haitang-text);
  border-radius: 2px;
  transition: all 0.3s var(--ease);
}
.nav-mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-mobile-toggle.open span:nth-child(2) { opacity: 0; }
.nav-mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 移动抽屉 ---------- */
.mobile-drawer {
  display: none;
  position: fixed;
  top: var(--haitang-nav-height);
  right: 0;
  bottom: 0;
  width: 300px;
  background: var(--haitang-nav-bg);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
  transform: translateX(100%);
  transition: transform 0.34s var(--ease-out);
  z-index: 99;
  padding: 20px;
  overflow-y: auto;
  border-left: 1px solid var(--haitang-border);
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer .nav-link {
  display: block;
  padding: 14px 18px;
  font-size: 15px;
  border-radius: 10px;
  margin-bottom: 4px;
}
.mobile-drawer .nav-link.active {
  background: var(--haitang-accent-light);
  color: var(--haitang-accent);
}
.mobile-drawer .nav-link.active::after { display: none; }
.drawer-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 12, 8, 0.4);
  z-index: 98;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.34s var(--ease-out), visibility 0.34s var(--ease-out);
}
.drawer-overlay.open { opacity: 1; visibility: visible; }

@media (max-width: 768px) {
  .mobile-drawer { display: block; }
  .drawer-overlay { display: block; }
}

/* ============================================================
   页头（面包屑 + 区块标签 + 标题）
   ============================================================ */
.page-header { margin-bottom: 32px; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--haitang-text-muted);
  margin-bottom: 16px;
  font-family: var(--haitang-font-mono);
  letter-spacing: 0.03em;
}
.breadcrumb a {
  color: var(--haitang-text-muted);
  text-decoration: none;
  transition: color 0.3s var(--ease);
}
.breadcrumb a:hover { color: var(--haitang-accent); }
.breadcrumb-sep { color: var(--haitang-text-muted); opacity: 0.5; }

.section-tag {
  font-family: var(--haitang-font-mono);
  font-size: 12px;
  color: var(--haitang-accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.section-tag::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--haitang-accent);
  box-shadow: 0 0 8px rgba(193, 138, 74, 0.6);
}

.page-title {
  font-family: var(--haitang-font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--haitang-text);
  letter-spacing: -0.02em;
  margin: 12px 0 10px;
  line-height: 1.2;
}
.page-title em {
  font-style: normal;
  text-shadow: 0 0 30px rgba(193, 138, 74, 0.35);
}
.page-subtitle {
  font-size: 15px;
  color: var(--haitang-text-muted);
  margin-bottom: 28px;
}

/* ============================================================
   揭示入场动画
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px) scale(0.96);
  transition: opacity 0.7s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.7s cubic-bezier(0.2, 0.8, 0.2, 1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
.reveal-delay-4 { transition-delay: 0.32s; }

/* ============================================================
   页脚
   ============================================================ */
.footer-section {
  background: var(--haitang-footer-bg);
  color: var(--haitang-footer-text);
  padding: 80px 50px 40px;
  position: relative;
  overflow: hidden;
  margin-top: 60px;
}
.footer-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--haitang-accent-warm), transparent);
}
.footer-content {
  max-width: var(--haitang-container);
  margin: 0 auto 60px;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.5fr;
  gap: 60px;
}
.footer-left { display: flex; flex-direction: column; gap: 16px; }
.footer-left-top { display: flex; align-items: center; gap: 14px; }
.footer-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--haitang-accent-warm), var(--haitang-accent));
  background-image: url("https://blogcloudystem.cn-sy1.rains3.com/%E5%8D%9A%E5%AE%A2%E5%90%8E%E5%8F%B0/%E7%AE%A1%E7%90%86%E5%91%98%E5%A4%B4%E5%83%8F.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
  font-family: var(--haitang-font-display);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1), 0 4px 16px rgba(193, 138, 74, 0.3);
  text-indent: -9999px;
  overflow: hidden;
  flex-shrink: 0;
}
.footer-site-name {
  font-family: var(--haitang-font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.01em;
}
.footer-desc {
  font-size: 14px;
  color: var(--haitang-footer-muted);
  line-height: 1.8;
  max-width: 320px;
}
.footer-copy-sm {
  font-family: var(--haitang-font-mono);
  font-size: 12px;
  color: var(--haitang-footer-muted);
  letter-spacing: 0.05em;
}
.footer-middle h4,
.footer-right h4 {
  font-family: var(--haitang-font-display);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--haitang-accent-soft);
}
.footer-nav-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav-list a {
  font-size: 14px;
  color: var(--haitang-footer-muted);
  text-decoration: none;
  transition: color 0.3s var(--ease), transform 0.3s var(--ease);
  display: inline-block;
}
.footer-nav-list a:hover {
  color: var(--haitang-accent-warm);
  transform: translateX(4px);
}
.footer-social-row { display: flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap; }
.social-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 12px;
  font-weight: 600;
  font-family: var(--haitang-font-mono);
  color: var(--haitang-footer-muted);
  border: 1px solid rgba(245, 238, 223, 0.16);
  cursor: pointer;
  transition: all 0.3s var(--ease);
}
.social-icon:hover {
  color: #fff;
  border-color: var(--haitang-accent);
  background: rgba(193, 138, 74, 0.2);
  transform: translateY(-3px);
}
.subscribe-title { font-size: 14px; font-weight: 700; margin-bottom: 6px; }
.subscribe-desc { font-size: 12.5px; color: var(--haitang-footer-muted); margin-bottom: 14px; }
.subscribe-form { display: flex; gap: 8px; }
.subscribe-input {
  flex: 1;
  min-width: 0;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 13px;
  color: var(--haitang-footer-text);
  background: rgba(245, 238, 223, 0.06);
  border: 1px solid rgba(245, 238, 223, 0.14);
  outline: none;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.subscribe-input::placeholder { color: rgba(245, 238, 223, 0.35); }
.subscribe-input:focus {
  border-color: var(--haitang-accent);
  background: rgba(245, 238, 223, 0.1);
}
.subscribe-btn {
  padding: 10px 20px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--haitang-accent);
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease);
  white-space: nowrap;
}
.subscribe-btn:hover {
  background: var(--haitang-accent-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(193, 138, 74, 0.35);
}
.footer-copyright-lg {
  max-width: var(--haitang-container);
  margin: 0 auto;
  padding-top: 28px;
  border-top: 1px solid rgba(245, 238, 223, 0.1);
  text-align: center;
  font-size: 12.5px;
  color: var(--haitang-footer-muted);
  font-family: var(--haitang-font-mono);
  letter-spacing: 0.04em;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1100px) {
  .nav-center .nav-link { padding: 8px 10px; font-size: 13.5px; }
  .nav-center .nav-link::after { left: 10px; right: 10px; }
  .nav-clock { display: none; }
}

@media (max-width: 980px) {
  .nav-center { display: none; }
  .nav-mobile-toggle { display: flex; }
  .nav-right .lang-switcher { display: none; }
  .main-navigation-bar { padding: 0 22px; }
}

@media (max-width: 768px) {
  .footer-section { padding: 56px 22px 32px; }
  .footer-content { grid-template-columns: 1fr; gap: 36px; }
  .page-title { font-size: 30px; }
}

@media (max-width: 520px) {
  .nav-name-block { display: none; }
  .nav-right { gap: 8px; }
  .main-navigation-bar .btn-login { padding: 8px 14px; }
}

/* ============================================================
   打字应用嵌入站点框架的适配
   ============================================================ */

/* 站点页主容器：承载页头 + 打字应用 */
.page-main {
  position: relative;
  z-index: 1;
  max-width: var(--haitang-container);
  margin: 0 auto;
  padding: 50px 50px 20px;
  min-height: calc(100vh - var(--haitang-nav-height) - 380px);
}

.typing-embed { position: relative; }

/* 打字应用外壳：在站点容器内收窄居中，与页头对齐 */
.typing-embed .app-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 0 40px;
}

/* ---------- 应用工具条：站点导航之下的次级工具条 ----------
   原 .topbar 承担视图切换 + 实用开关，功能不可省。
   这里把它从「站点主导航」降级为「页内工具条」：
   - 吸附在站点导航下方
   - 去掉重复的品牌块（站点导航已有身份区）
   - 收窄为与 app-shell 同宽的居中卡片
*/
.typing-embed .topbar {
  position: sticky;
  top: var(--haitang-nav-height);
  z-index: 40;
  max-width: 1080px;
  margin: 0 auto 26px;
  padding: 8px 14px;
  gap: 14px;
  border-radius: 16px;
  border: 1px solid var(--haitang-border);
  border-bottom: 1px solid var(--haitang-border);
  background: var(--glass-strong);
  box-shadow: var(--glow-sm), var(--edge-hi);
}
/* 品牌块由站点导航承担，这里隐藏避免重复 */
.typing-embed .topbar .brand { display: none; }
.typing-embed .topbar .nav-tabs { margin-left: 0; flex-wrap: wrap; }
/* 激活光条位置随容器高度调整 */
.typing-embed .topbar .nav-tab.active::after { bottom: -8px; }

/* 站点导航已提供的主题开关，工具条内的主题按钮仍保留（作用于应用画布） */
.typing-embed .topbar-right { margin-left: auto; }

/* ---------- 响应式对齐站点容器 ---------- */
@media (max-width: 980px) {
  .page-main { padding: 34px 22px 12px; }
  .typing-embed .app-shell { padding-bottom: 30px; }
  .typing-embed .topbar { top: var(--haitang-nav-height); margin-bottom: 20px; }
}

@media (max-width: 720px) {
  .page-main { padding: 26px 16px 10px; }
  .typing-embed .topbar {
    padding: 7px 10px;
    border-radius: 14px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .typing-embed .topbar::-webkit-scrollbar { display: none; }
  .typing-embed .topbar .nav-tab { padding: 8px 11px; font-size: 12.5px; }
  .typing-embed .topbar .nav-tab svg { display: none; }
  .typing-embed .topbar .streak-pill { display: none; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  .reveal { transition-duration: 0.06s; opacity: 1; transform: none; }
  .nav-link .nav-new-dot { animation: none; }
}