/* ==========================================================================
   Obsidian NewLife Landing Page CSS
   Design System: Dark/Light Mode Premium Glassmorphism & Neon Flow
   ========================================================================== */

/* 引入 Google Fonts 提升排版现代感 */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;600;700;800&display=swap');

/* --- 设计变量 (Theme Tokens) --- */
:root {
  --font-title: 'Outfit', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* 基于【深色主题.png】截图精确提取 (Precisely Extracted from dark theme image) */
  --bg-color: #141419;
  --bg-body-mock: #1b1b22;
  --bg-card: rgba(27, 27, 34, 0.65);
  --bg-card-hover: rgba(36, 36, 46, 0.85);
  --border-color: rgba(255, 255, 255, 0.05);
  --border-color-hover: rgba(255, 255, 255, 0.12);
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #52525b;
  --header-bg: rgba(20, 20, 25, 0.7);
  --inner-glow: inset 0 1px 1px rgba(255, 255, 255, 0.05);

  /* 渐变与色彩 */
  --grad-primary: linear-gradient(135deg, #00e676 0%, #00e5ff 100%); /* 荧光翠绿 -> 极光青 */
  --grad-secondary: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
  --grad-highlight: linear-gradient(135deg, #ec4899 0%, #f43f5e 100%);
  --color-primary: #10b981;
  --color-secondary: #00e5ff;
  --glow-shadow: 0 12px 40px rgba(0, 230, 118, 0.15);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
  
  /* 周期笔记配色 */
  --color-daily: #ff6d85;
  --color-weekly: #f294b2;
  --color-monthly: #ffa066;
  
  /* 动效过渡 */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

/* 基于【浅色主题.png】截图精确提取 (Precisely Extracted from light theme image) */
[data-theme="light"] {
  --bg-color: #efeef2;
  --bg-body-mock: #f5f5f7;
  --bg-card: rgba(247, 247, 249, 0.75);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --border-color: rgba(9, 9, 11, 0.05);
  --border-color-hover: rgba(9, 9, 11, 0.1);
  --text-primary: #09090b;
  --text-secondary: #5e5e64;
  --text-muted: #a1a1aa;
  --header-bg: rgba(239, 238, 242, 0.7);
  --inner-glow: inset 0 1px 1px rgba(255, 255, 255, 0.8);
  --glow-shadow: 0 12px 40px rgba(0, 230, 118, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(9, 9, 11, 0.04);
}

/* --- 重置与全局样式 (Base Styles) --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-color);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color 0.5s ease, color 0.3s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input {
  font-family: inherit;
}

/* 背景艺术装饰光晕 (Radial Glows) */
.ambient-glows {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.glow-1 {
  position: absolute;
  top: -10%;
  left: 20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, rgba(0,0,0,0) 70%);
  filter: blur(80px);
  animation: pulse-glow 10s infinite alternate;
}

.glow-2 {
  position: absolute;
  top: 40%;
  right: 5%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(6, 182, 212, 0.07) 0%, rgba(0,0,0,0) 70%);
  filter: blur(60px);
  animation: pulse-glow 12s infinite alternate-reverse;
}

@keyframes pulse-glow {
  0% { transform: scale(1) translate(0, 0); opacity: 0.8; }
  100% { transform: scale(1.15) translate(30px, -20px); opacity: 1; }
}

/* --- 容器布局 (Layout Container) --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* --- 导航栏 (Header) --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background-color: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--grad-primary);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: var(--glow-shadow);
}

.logo-text span {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition-fast);
  position: relative;
  padding: 6px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--grad-primary);
  transition: var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 主题切换开关 (Theme Switcher Toggle) */
.theme-toggle-btn {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  box-shadow: var(--inner-glow);
}

.theme-toggle-btn:hover {
  background-color: var(--border-color);
  transform: scale(1.05);
}

.theme-toggle-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.theme-toggle-btn .sun-icon {
  display: none;
}
[data-theme="light"] .theme-toggle-btn .moon-icon {
  display: none;
}
[data-theme="light"] .theme-toggle-btn .sun-icon {
  display: block;
}

/* --- 转换按钮 (Buttons) --- */
.btn-primary {
  background: var(--grad-primary);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 22px;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  box-shadow: var(--glow-shadow);
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  transform: translateY(-2px);
  filter: brightness(1.1);
  box-shadow: 0 16px 40px rgba(16, 185, 129, 0.25);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 22px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition-smooth);
  box-shadow: var(--inner-glow);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  background-color: var(--border-color);
  transform: translateY(-2px);
}

/* --- 首屏 Section (Hero Section) --- */
.hero-section {
  padding-top: 160px;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.hero-text-area {
  max-width: 620px;
}

.hero-tag {
  display: inline-block;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  color: var(--color-primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.hero-title {
  font-family: var(--font-title);
  font-size: 2.8rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 24px;
}

@media (min-width: 768px) {
  .hero-title {
    font-size: 3.6rem;
  }
}

.hero-title span.gradient-text {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
  position: relative;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

/* 勋章/徽章小列表 */
.hero-badges {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.badge-item svg {
  width: 16px;
  height: 16px;
  color: var(--color-primary);
}
/* --- 高保真 Obsidian 窗口模拟器 --- */
.obsidian-window-wrapper {
  perspective: 1000px;
  position: relative;
}

.obsidian-window {
  width: 100%;
  aspect-ratio: 4 / 3;
  background-color: var(--bg-body-mock);
  border-radius: 12px;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.4s ease;
  transform: rotateY(-3deg) rotateX(2deg);
}

.obsidian-window:hover {
  transform: rotateY(0deg) rotateX(0deg) scale(1.01);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

[data-theme="light"] .obsidian-window {
  border-color: rgba(9, 9, 11, 0.1);
  box-shadow: 0 10px 30px rgba(9, 9, 11, 0.1);
}

/* 窗口头部标题栏 */
.window-titlebar {
  height: 40px;
  background-color: #16161a;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  padding: 0 16px;
  position: relative;
}

[data-theme="light"] .window-titlebar {
  background-color: #e3e3e7;
  border-bottom-color: rgba(9, 9, 11, 0.04);
}

.window-dots {
  display: flex;
  gap: 8px;
}

.window-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot-red { background-color: #ff5f56; }
.dot-yellow { background-color: #ffbd2e; }
.dot-green { background-color: #27c93f; }

.window-tab {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.5);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

[data-theme="light"] .window-tab {
  color: rgba(9, 9, 11, 0.6);
}

/* 窗口主面板布局 */
.window-body {
  flex: 1;
  display: flex;
  overflow: hidden;
}

/* 窗口极窄功能区 (Ribbon) */
.window-sidebar {
  width: 44px;
  background-color: #16161a;
  border-right: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 12px;
  gap: 12px;
}

[data-theme="light"] .window-sidebar {
  background-color: #e3e3e7;
  border-right-color: rgba(9, 9, 11, 0.04);
}

.sidebar-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.4);
  transition: var(--transition-fast);
  cursor: pointer;
}

.sidebar-icon:hover, .sidebar-icon.active {
  color: #00e676;
  background-color: rgba(0, 230, 118, 0.08);
}

[data-theme="light"] .sidebar-icon {
  color: rgba(9, 9, 11, 0.5);
}

/* 目录树 (Obsidian File Tree) */
.window-filetree {
  width: 145px;
  background-color: #1a1a1f;
  border-right: 1px solid rgba(255, 255, 255, 0.03);
  padding: 10px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  overflow-y: auto;
}

[data-theme="light"] .window-filetree {
  background-color: #fcfcfd;
  border-right-color: rgba(9, 9, 11, 0.03);
}

.mock-tree-item {
  padding: 5px 8px;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 4px;
  color: rgba(255, 255, 255, 0.65);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

[data-theme="light"] .mock-tree-item {
  color: rgba(9, 9, 11, 0.75);
}

.mock-tree-item:hover, .mock-tree-item.active {
  background-color: rgba(255, 255, 255, 0.03);
}
[data-theme="light"] .mock-tree-item:hover, [data-theme="light"] .mock-tree-item.active {
  background-color: rgba(0, 0, 0, 0.02);
}

.mock-tree-item.active {
  color: #00e676;
}

/* 彩虹文件夹专属色彩定义 - 深浅主题精密映射 */
.mock-tree-item.folder-newlife {
  background-color: #ff6d85;
  color: #111112 !important;
}
[data-theme="light"] .mock-tree-item.folder-newlife {
  background-color: #b74f6b;
  color: #ffffff !important;
}

.mock-tree-item.folder-templates {
  background-color: #f294b2;
  color: #111112 !important;
}
[data-theme="light"] .mock-tree-item.folder-templates {
  background-color: #b85b7c;
  color: #ffffff !important;
}

.mock-tree-item.folder-journal {
  background-color: #ffa066;
  color: #111112 !important;
}
[data-theme="light"] .mock-tree-item.folder-journal {
  background-color: #d17a60;
  color: #ffffff !important;
}

.mock-tree-item.folder-projects {
  background-color: #ffd08a;
  color: #111112 !important;
}
[data-theme="light"] .mock-tree-item.folder-projects {
  background-color: #cc9e4c;
  color: #ffffff !important;
}

.mock-tree-item.folder-goals {
  background-color: #98e4a0;
  color: #111112 !important;
}
[data-theme="light"] .mock-tree-item.folder-goals {
  background-color: #57a37c;
  color: #ffffff !important;
}

/* 模拟内容主页面 */
.window-content {
  flex: 1;
  padding: 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

/* 仪表盘主页模拟 */
.mock-dashboard {
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
}

.mock-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mock-user-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .mock-user-title {
  color: rgba(9, 9, 11, 0.9);
}

.mock-date {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.4);
}
[data-theme="light"] .mock-date {
  color: rgba(9, 9, 11, 0.4);
}

/* Dashboard 小彩虹按钮组 */
.mock-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
}

.mock-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px 9px;
  border-radius: 6px;
  font-size: 0.65rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition-fast);
}

/* 按钮配色映射：深色主题下（高饱和荧光背景 + 黑色/暗色字，完全吻合【深色主题.png】） */
.mbtn-daily { background-color: #ff6d85; color: #111112; font-weight: 700; }
.mbtn-weekly { background-color: #f294b2; color: #111112; font-weight: 700; }
.mbtn-monthly { background-color: #ffa066; color: #111112; font-weight: 700; }
.mbtn-projects { background-color: #c05f77; color: #111112; font-weight: 700; }
.mbtn-goals { background-color: #c05f77; color: #111112; font-weight: 700; }
.mbtn-tasks { background-color: #c05f77; color: #111112; font-weight: 700; }
.mbtn-habits { background-color: #c05f77; color: #111112; font-weight: 700; }
.mbtn-theme { background-color: #c05f77; color: #111112; font-weight: 700; }

/* 按钮配色映射：浅色主题下（柔和莫兰迪深色背景 + 纯白字，完全吻合【浅色主题.png】） */
[data-theme="light"] .mbtn-daily { background-color: #b74f6b; color: #ffffff; font-weight: 700; }
[data-theme="light"] .mbtn-weekly { background-color: #b85b7c; color: #ffffff; font-weight: 700; }
[data-theme="light"] .mbtn-monthly { background-color: #d17a60; color: #ffffff; font-weight: 700; }
[data-theme="light"] .mbtn-projects { background-color: #c05f77; color: #ffffff; font-weight: 700; }
[data-theme="light"] .mbtn-goals { background-color: #c05f77; color: #ffffff; font-weight: 700; }
[data-theme="light"] .mbtn-tasks { background-color: #c05f77; color: #ffffff; font-weight: 700; }
[data-theme="light"] .mbtn-habits { background-color: #c05f77; color: #ffffff; font-weight: 700; }
[data-theme="light"] .mbtn-theme { background-color: #c05f77; color: #ffffff; font-weight: 700; }

/* 按钮之间的植物分隔符样式 */
.mock-btn-separator {
  font-size: 0.7rem;
  margin: 0 1px;
  align-self: center;
  user-select: none;
  opacity: 0.8;
}

/* 网格状态卡 */
.mock-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.mock-card {
  background-color: #212128;
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

[data-theme="light"] .mock-card {
  background-color: #ffffff;
  border-color: rgba(9, 9, 11, 0.04);
}

.mock-card-title {
  font-size: 0.7rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  gap: 5px;
}

[data-theme="light"] .mock-card-title {
  color: rgba(9, 9, 11, 0.45);
}

.mock-progress-bar {
  height: 5px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 2px;
}

[data-theme="light"] .mock-progress-bar {
  background-color: rgba(9, 9, 11, 0.05);
}

.mock-progress-fill {
  height: 100%;
  background: var(--grad-primary);
  width: 65%;
  border-radius: 3px;
  transition: width 0.8s ease;
}

.mock-habit-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mock-habit-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.68rem;
  color: rgba(255, 255, 255, 0.7);
}

[data-theme="light"] .mock-habit-item {
  color: rgba(9, 9, 11, 0.7);
}

.mock-check {
  width: 12px;
  height: 12px;
  border-radius: 3px;
  background-color: #00e676;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #121214;
  font-size: 0.6rem;
  font-weight: 900;
}

.mock-check.empty {
  background-color: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
[data-theme="light"] .mock-check.empty {
  border-color: rgba(9, 9, 11, 0.25);
}

/* 热力图 */
.mock-heatmap {
  background-color: #212128;
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: 8px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

[data-theme="light"] .mock-heatmap {
  background-color: #ffffff;
  border-color: rgba(9, 9, 11, 0.04);
}

.mock-cells {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 3px;
}

.mock-cell {
  aspect-ratio: 1;
  border-radius: 2px;
  background-color: rgba(255, 255, 255, 0.04);
}
[data-theme="light"] .mock-cell {
  background-color: rgba(9, 9, 11, 0.04);
}

.mock-cell.level-1 { background-color: rgba(0, 230, 118, 0.2); }
.mock-cell.level-2 { background-color: rgba(0, 230, 118, 0.5); }
.mock-cell.level-3 { background-color: rgba(0, 230, 118, 0.8); }
.mock-cell.level-4 { background-color: #00e676; box-shadow: 0 0 8px rgba(0, 230, 118, 0.3); }

/* 炫酷特效浮标 */
.window-decorator-1 {
  position: absolute;
  bottom: -20px;
  left: -20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  backdrop-filter: blur(12px);
  padding: 10px 16px;
  border-radius: 8px;
  box-shadow: var(--glass-shadow);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  z-index: 5;
}

.window-decorator-1 svg {
  color: #00e676;
}

/* --- 核心板块通用排版 (Section Commons) --- */
.section {
  padding: 100px 0;
  position: relative;
}

.section-tag {
  display: inline-block;
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.6rem;
  }
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 60px;
}

/* --- 特性展示网格 (Features Grid) --- */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

@media (min-width: 768px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  .features-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.feature-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  box-shadow: var(--inner-glow);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-color-hover);
  background-color: var(--bg-card-hover);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: var(--transition-smooth);
}

.feature-card:hover .feature-icon-wrapper {
  background: var(--grad-primary);
  color: white;
  border-color: transparent;
  box-shadow: var(--glow-shadow);
}

.feature-card.secondary-hover:hover .feature-icon-wrapper {
  background: var(--grad-secondary);
  box-shadow: 0 12px 30px rgba(99, 102, 241, 0.2);
}

.feature-card.highlight-hover:hover .feature-icon-wrapper {
  background: var(--grad-highlight);
  box-shadow: 0 12px 30px rgba(236, 72, 153, 0.2);
}

.feature-card-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.feature-card-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.feature-badges-row {
  margin-top: auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.feature-sub-badge {
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 12px;
  font-weight: 500;
}

[data-theme="light"] .feature-sub-badge {
  background-color: rgba(0, 0, 0, 0.02);
}

/* --- 交互式沙盒打卡区 (Interactive Sandbox) --- */
.sandbox-wrapper {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--glass-shadow);
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 992px) {
  .sandbox-wrapper {
    grid-template-columns: 1fr 1fr;
  }
}

.sandbox-left {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sandbox-right {
  background-color: rgba(0, 0, 0, 0.2);
  border-radius: 16px;
  border: 1px solid var(--border-color);
  padding: 30px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

[data-theme="light"] .sandbox-right {
  background-color: rgba(255, 255, 255, 0.4);
}

/* 交互打卡卡片 */
.habit-clicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 16px 20px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

[data-theme="light"] .habit-clicker {
  background-color: rgba(0, 0, 0, 0.02);
}

.habit-clicker:hover {
  transform: scale(1.02);
  border-color: var(--color-primary);
  background-color: rgba(16, 185, 129, 0.05);
}

.habit-clicker.checked {
  background-color: rgba(16, 185, 129, 0.1);
  border-color: var(--color-primary);
}

.habit-clicker-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.habit-clicker-icon {
  font-size: 1.5rem;
}

.habit-clicker-name {
  font-weight: 600;
  font-size: 0.95rem;
}

.checkbox-visual {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 2px solid var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.habit-clicker:hover .checkbox-visual {
  border-color: var(--color-primary);
}

.habit-clicker.checked .checkbox-visual {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

/* 数据看板反馈 */
.sandbox-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.sandbox-stat-card {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.stat-value {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* 沙盒热力条 */
.sandbox-graph-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-secondary);
  display: flex;
  justify-content: space-between;
}

.sandbox-progress-track {
  height: 12px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  overflow: hidden;
}

[data-theme="light"] .sandbox-progress-track {
  background-color: rgba(0, 0, 0, 0.05);
}

.sandbox-progress-bar {
  height: 100%;
  background: var(--grad-primary);
  width: 0%;
  transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  border-radius: 6px;
}

/* --- 激活获取流程 (Workflow Section) --- */
.workflow-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 768px) {
  .workflow-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 36px;
  position: relative;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.step-number {
  position: absolute;
  top: 20px;
  right: 24px;
  font-family: var(--font-title);
  font-size: 3.5rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.03);
  line-height: 1;
}

[data-theme="light"] .step-number {
  color: rgba(9, 9, 11, 0.03);
}

.step-card-title {
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 700;
}

.step-card-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 激活核心横幅包 */
.pricing-banner {
  background: radial-gradient(circle at top right, rgba(16, 185, 129, 0.08), rgba(0,0,0,0) 60%), var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 48px;
  margin-top: 60px;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  gap: 30px;
  position: relative;
  overflow: hidden;
}

@media (min-width: 992px) {
  .pricing-banner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.pricing-info-left {
  max-width: 600px;
}

.pricing-title {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.pricing-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

.pricing-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 24px;
  margin-top: 24px;
}

.pricing-feature-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pricing-feature-item svg {
  color: var(--color-primary);
}

.pricing-action-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  min-width: 260px;
}

.price-tag {
  font-family: var(--font-title);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--text-primary);
}

.price-sub {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: -10px;
}

/* --- FAQ 手风琴 (FAQ Accordion) --- */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-question {
  width: 100%;
  padding: 24px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-title);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition-fast);
}

.faq-question:hover {
  background-color: rgba(255, 255, 255, 0.02);
}

[data-theme="light"] .faq-question:hover {
  background-color: rgba(0, 0, 0, 0.01);
}

.faq-icon {
  width: 20px;
  height: 20px;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  color: var(--text-secondary);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-answer-inner {
  padding: 0 24px 24px 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* --- 页脚 (Footer) --- */
.site-footer {
  border-top: 1px solid var(--border-color);
  background-color: rgba(0, 0, 0, 0.1);
  padding: 60px 0 30px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr;
  }
}

.footer-info {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-links-title {
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--text-primary);
  font-size: 0.95rem;
}

.footer-links-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link {
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--text-primary);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-color);
  padding-top: 30px;
  gap: 16px;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
  }
}

/* --- 微信弹窗组件 (QR Modal Overlay) --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  max-width: 400px;
  width: 90%;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-card {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-qr-img {
  width: 200px;
  height: 200px;
  margin: 20px 0;
  border-radius: 8px;
  border: 4px solid white;
}

.modal-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.modal-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* 动效：滚动入场 (Scroll Animations) */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   多视图切换系统 (SPA View System)
   ========================================================================== */
.view-pane {
  display: none;
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.view-pane.active {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   使用手册视图样式 (Manual View)
   ========================================================================== */
.manual-wrapper {
  padding-top: 130px;
  padding-bottom: 80px;
}

.manual-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

@media (min-width: 992px) {
  .manual-grid {
    grid-template-columns: 280px 1fr;
    gap: 40px;
  }
}

/* 左侧树形侧边栏 */
.manual-sidebar {
  position: sticky;
  top: 100px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  box-shadow: var(--glass-shadow);
  max-height: calc(100vh - 140px);
  overflow-y: auto;
}

/* 窄屏下侧边栏改为横向滑动 */
@media (max-width: 991px) {
  .manual-sidebar {
    position: static;
    max-height: none;
    overflow-y: visible;
    margin-bottom: 20px;
  }
}

.manual-menu-title {
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-color);
}

.manual-menu-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* 窄屏下菜单改为横排 */
@media (max-width: 991px) {
  .manual-menu-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
  }
}

.manual-menu-item {
  display: flex;
  flex-direction: column;
}

.manual-menu-link {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 8px 12px;
  border-radius: 6px;
  transition: var(--transition-fast);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
}

.manual-menu-link:hover, .manual-menu-link.active {
  color: var(--text-primary);
  background-color: rgba(16, 185, 129, 0.08);
}

.manual-menu-link.active {
  border-left: 3px solid var(--color-primary);
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  padding-left: 9px;
}

/* 二级菜单缩进 */
.manual-submenu-list {
  list-style: none;
  padding-left: 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 4px;
}

@media (max-width: 991px) {
  .manual-submenu-list {
    display: none; /* 窄屏隐藏二级菜单，或者横排合并 */
  }
}

.manual-submenu-link {
  font-size: 0.85rem;
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 4px;
  transition: var(--transition-fast);
  display: block;
}

.manual-submenu-link:hover, .manual-submenu-link.active {
  color: var(--text-primary);
  background-color: rgba(16, 185, 129, 0.05);
}

.manual-submenu-link.active {
  border-left: 2px solid var(--color-primary);
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
  padding-left: 10px;
}

/* 右侧文档内容 */
.manual-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 40px;
  box-shadow: var(--glass-shadow);
}

@media (max-width: 768px) {
  .manual-content {
    padding: 24px;
  }
}

.doc-section {
  display: none;
  animation: fadeIn 0.4s ease;
}

.doc-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.doc-title {
  font-family: var(--font-title);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.doc-title span {
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.doc-body p {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: 20px;
  line-height: 1.7;
}

.doc-body h3 {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 32px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.doc-body ul, .doc-body ol {
  padding-left: 24px;
  margin-bottom: 24px;
  color: var(--text-secondary);
}

.doc-body li {
  margin-bottom: 8px;
}

/* Obsidian Callout 拟态样式 */
.callout {
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--color-primary);
  border-radius: 6px;
  padding: 16px;
  margin: 24px 0;
  background-color: rgba(255, 255, 255, 0.02);
}

[data-theme="light"] .callout {
  background-color: rgba(0, 0, 0, 0.01);
}

.callout-title {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.callout-content {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

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

.callout.tip {
  border-left-color: var(--color-primary);
}
.callout.tip .callout-title {
  color: var(--color-primary);
}

.callout.info {
  border-left-color: var(--color-weekly);
}
.callout.info .callout-title {
  color: var(--color-weekly);
}

.callout.warning {
  border-left-color: #f59e0b;
}
.callout.warning .callout-title {
  color: #f59e0b;
}

/* ==========================================================================
   升级说明视图样式 (Changelog View)
   ========================================================================== */
.changelog-wrapper {
  padding-top: 130px;
  padding-bottom: 80px;
}

.changelog-header {
  text-align: center;
  margin-bottom: 60px;
}

/* 时间轴容器 */
.timeline-container {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding-left: 20px;
}

/* 时间轴主垂线 */
.timeline-container::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 31px;
  width: 2px;
  background: var(--border-color);
}

/* 时间轴节点 */
.timeline-item {
  position: relative;
  margin-bottom: 60px;
  padding-left: 48px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

/* 节点标识圈 */
.timeline-dot {
  position: absolute;
  left: 20px;
  top: 6px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg-color);
  border: 4px solid var(--color-primary);
  box-shadow: var(--glow-shadow);
  z-index: 2;
  transition: var(--transition-smooth);
}

.timeline-item:nth-child(even) .timeline-dot {
  border-color: var(--color-weekly);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.3);
}

.timeline-item:nth-child(3) .timeline-dot {
  border-color: var(--color-monthly);
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.2);
}

/* 节点元数据：版本与时间 */
.timeline-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.timeline-version {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  background: var(--grad-primary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.timeline-item:nth-child(even) .timeline-version {
  background: var(--grad-secondary);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.timeline-date {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  padding: 4px 10px;
  border-radius: 12px;
}

[data-theme="light"] .timeline-date {
  background-color: rgba(0, 0, 0, 0.02);
}

/* 节点卡片正文 */
.timeline-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  box-shadow: var(--glass-shadow);
  transition: var(--transition-smooth);
}

.timeline-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-color-hover);
  background-color: var(--bg-card-hover);
}

.timeline-section-title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.05rem;
  margin-top: 20px;
  margin-bottom: 10px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.timeline-section-title svg {
  color: var(--color-primary);
}

.timeline-card ul {
  padding-left: 20px;
  margin-bottom: 16px;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.timeline-card li {
  margin-bottom: 8px;
  line-height: 1.6;
}

.timeline-card p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 12px;
}

/* ==========================================================================
   系统截图画廊与灯箱样式 (Gallery & Lightbox System)
   ========================================================================== */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 40px;
}

@media (min-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1200px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 16px;
  box-shadow: var(--glass-shadow);
  box-shadow: var(--inner-glow);
  transition: var(--transition-smooth);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.gallery-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-color-hover);
  background-color: var(--bg-card-hover);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.gallery-img-wrapper {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .gallery-img-wrapper {
  border-color: rgba(9, 9, 11, 0.04);
}

.gallery-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-card:hover .gallery-img-wrapper img {
  transform: scale(1.05);
}

.gallery-hover-mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  transition: opacity 0.3s ease;
  color: #ffffff;
}

.gallery-img-wrapper:hover .gallery-hover-mask {
  opacity: 1;
}

.gallery-hover-mask svg {
  color: var(--color-primary);
  filter: drop-shadow(0 0 8px rgba(16, 185, 129, 0.4));
  animation: pulse-zoom 2s infinite alternate;
}

@keyframes pulse-zoom {
  0% { transform: scale(1); }
  100% { transform: scale(1.15); }
}

.gallery-hover-mask span {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.gallery-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 4px;
}

.gallery-card-title {
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.gallery-card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* --- 画廊灯箱模态框样式 (Lightbox Overlay) --- */
.lightbox-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(9, 9, 11, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-overlay.active {
  opacity: 1;
  pointer-events: all;
}

[data-theme="light"] .lightbox-overlay {
  background-color: rgba(239, 238, 242, 0.92);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 24px;
  background: none;
  border: none;
  color: #ffffff;
  font-size: 2.5rem;
  cursor: pointer;
  z-index: 2010;
  transition: var(--transition-fast);
  line-height: 1;
}

[data-theme="light"] .lightbox-close {
  color: #09090b;
}

.lightbox-close:hover {
  transform: scale(1.1);
  color: var(--color-primary);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  color: #ffffff;
  width: 50px;
  height: 50px;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2010;
  transition: var(--transition-smooth);
}

[data-theme="light"] .lightbox-nav {
  background: rgba(0, 0, 0, 0.03);
  border-color: rgba(9, 9, 11, 0.05);
  color: #09090b;
}

.lightbox-nav:hover {
  background: var(--color-primary);
  border-color: transparent;
  color: #ffffff;
  box-shadow: var(--glow-shadow);
  transform: translateY(-50%) scale(1.08);
}

.nav-prev { left: 30px; }
.nav-next { right: 30px; }

@media (max-width: 767px) {
  .lightbox-nav {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
  .nav-prev { left: 10px; }
  .nav-next { right: 10px; }
}

.lightbox-content {
  max-width: 85%;
  max-height: 80%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  transform: scale(0.95);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-overlay.active .lightbox-content {
  transform: scale(1);
}

.lightbox-img {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 12px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .lightbox-img {
  box-shadow: 0 25px 60px rgba(9, 9, 11, 0.15);
  border-color: rgba(9, 9, 11, 0.08);
}

.lightbox-caption {
  text-align: center;
  max-width: 650px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: #ffffff;
}

[data-theme="light"] .lightbox-caption {
  color: #09090b;
}

.lightbox-title {
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 800;
}

.lightbox-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}