/* ========================================
   乐诗园 · 设计系统 V3.0
   新中式现代极简 · Design System
   ======================================== */

/* ===== CSS 变量 · 色彩体系 ===== */
:root {
  /* 主色 */
  --color-primary: #8B1E3A;       /* 玫瑰红深色 */
  --color-primary-light: #A83D55;
  --color-primary-dark: #5C1326;
  --color-bg: #FFF5F5;            /* 玫瑰白底 */

  /* 辅助色 */
  --color-accent: #D4A853;        /* 暖金 */
  --color-accent-light: #E0C378;
  --color-bamboo: #7BA88F;        /* 竹青 */

  /* 中性色 */
  --color-warm-gray: #F5EDED;     /* 暖玫瑰灰 */
  --color-dark-gray: #2D2D2D;     /* 深灰 */
  --color-text: #333333;
  --color-text-secondary: #666666;
  --color-text-light: #999999;
  --color-border: #E8D5D5;
  --color-white: #FFFFFF;

  /* 金色（厂牌/版权/付费标识） */
  --color-gold: #C9A96E;
  --color-gold-light: #DDB87E;
  --color-gold-dark: #B89355;

  /* 语义色 */
  --color-success: #7BA88F;
  --color-warning: #E6A23C;
  --color-danger: #C84B31;
  --color-info: #8B1E3A;

  /* 字体 */
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'Microsoft YaHei', serif;
  --font-sans: 'Inter', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);

  /* 毛玻璃 */
  --glass-bg: rgba(255, 255, 255, 0.72);
  --glass-blur: blur(20px);
  --glass-border: rgba(255, 255, 255, 0.5);

  /* 过渡 */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* 布局 */
  --nav-height: 68px;
  --max-width: 1280px;
  --sidebar-width: 240px;
}

/* ===== 主题切换 ===== */
[data-theme="warm"] {
  --color-primary: #A83D55;
  --color-accent: #D4A853;
}
[data-theme="bamboo"] {
  --color-primary: #7BA88F;
  --color-accent: #D4A853;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* 宣纸纹理背景 */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse at 20% 10%, rgba(201, 169, 110, 0.04) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(43, 58, 103, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(200, 75, 49, 0.02) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

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

ul, ol {
  list-style: none;
}

/* ===== 排版 ===== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.4;
  overflow-wrap: break-word;
  word-break: break-word;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-gold { color: var(--color-gold); }
.text-accent { color: var(--color-accent); }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-light { color: var(--color-text-light); }

/* ===== 布局容器 ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.section-sm {
  padding: 48px 0;
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-6 { grid-template-columns: repeat(6, 1fr); }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.flex-col { display: flex; flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: 8px; }
.gap-md { gap: 16px; }
.gap-lg { gap: 24px; }

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  z-index: 1000;
  transition: all var(--transition-base);
}

.navbar-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  flex-shrink: 0;
}

.navbar-logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background: transparent;
  object-fit: contain;
  box-shadow: var(--shadow-md);
}

.navbar-logo-text {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 2px;
  white-space: nowrap;
}

.navbar-logo-sub {
  font-size: 0.65rem;
  color: var(--color-text-light);
  letter-spacing: 1px;
  margin-top: -2px;
}

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 2px;
  white-space: nowrap;
}

.navbar-menu a {
  padding: 6px 10px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text);
  transition: all var(--transition-fast);
  position: relative;
  white-space: nowrap;
}

.navbar-menu a:hover,
.navbar-menu a.active {
  color: var(--color-primary);
  background: rgba(43, 58, 103, 0.06);
}

.navbar-menu a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--color-accent);
  border-radius: 1px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar-search {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  gap: 8px;
  transition: all var(--transition-fast);
}

.navbar-search:focus-within {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(43, 58, 103, 0.08);
}

.navbar-search input {
  border: none;
  background: none;
  outline: none;
  font-size: 0.85rem;
  width: 160px;
  color: var(--color-text);
}

.navbar-search input::placeholder {
  color: var(--color-text-light);
}

.navbar-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: none;
  cursor: pointer;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.navbar-toggle span {
  width: 22px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 1px;
  transition: all var(--transition-base);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn:active {
  transform: scale(0.97);
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

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

.btn-accent:hover {
  background: #B03E26;
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.btn-gold {
  background: transparent;
  color: var(--color-gold);
  border: 1.5px solid var(--color-gold);
}

.btn-gold:hover {
  background: var(--color-gold);
  color: var(--color-white);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  background: rgba(43, 58, 103, 0.04);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text);
}

.btn-ghost:hover {
  background: rgba(0, 0, 0, 0.04);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.8rem;
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

/* ===== 卡片 ===== */
.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.card-body {
  padding: 24px;
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--color-warm-gray);
}

/* ===== 标签/徽章 ===== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  gap: 4px;
}

.tag-primary { background: rgba(43, 58, 103, 0.1); color: var(--color-primary); }
.tag-accent { background: rgba(200, 75, 49, 0.1); color: var(--color-accent); }
.tag-gold { background: rgba(201, 169, 110, 0.15); color: var(--color-gold-dark); }
.tag-bamboo { background: rgba(123, 168, 143, 0.15); color: var(--color-bamboo); }
.tag-gray { background: var(--color-warm-gray); color: var(--color-text-secondary); }

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 600;
}

/* ===== 品牌标识 ===== */
.brand-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(201, 169, 110, 0.12);
  border: 1px solid rgba(201, 169, 110, 0.3);
  color: var(--color-gold-dark);
  font-size: 0.75rem;
  font-weight: 500;
}

.brand-badge::before {
  content: '\f005';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 0.7rem;
}

/* ===== 分隔线/装饰 ===== */
.divider {
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-border), transparent);
  margin: 32px 0;
}

.divider-text {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 40px 0;
}

.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-border), transparent);
}

.divider-text span {
  font-family: var(--font-serif);
  font-size: 0.9rem;
  color: var(--color-text-light);
  letter-spacing: 4px;
}

/* 水墨装饰 */
.ink-decoration {
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(43, 58, 103, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ===== 进度条 ===== */
.progress {
  width: 100%;
  height: 6px;
  background: var(--color-warm-gray);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(to right, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-full);
  transition: width 0.6s ease;
}

/* ===== 头像 ===== */
.avatar {
  border-radius: 50%;
  object-fit: cover;
  background: var(--color-warm-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  color: var(--color-white);
  flex-shrink: 0;
}

.avatar-xs { width: 28px; height: 28px; font-size: 0.7rem; }
.avatar-sm { width: 36px; height: 36px; font-size: 0.8rem; }
.avatar-md { width: 48px; height: 48px; font-size: 1rem; }
.avatar-lg { width: 72px; height: 72px; font-size: 1.4rem; }
.avatar-xl { width: 120px; height: 120px; font-size: 2.2rem; }

.avatar-bg-1 { background: linear-gradient(135deg, #8B1E3A, #A83D55); }
.avatar-bg-2 { background: linear-gradient(135deg, #C84B31, #E06B50); }
.avatar-bg-3 { background: linear-gradient(135deg, #7BA88F, #95C0AB); }
.avatar-bg-4 { background: linear-gradient(135deg, #C9A96E, #DDB87E); }
.avatar-bg-5 { background: linear-gradient(135deg, #6B5B95, #8B7AAB); }
.avatar-bg-6 { background: linear-gradient(135deg, #5C2A3A, #7A4A5A); }

/* ===== 左下角悬浮菜单 ===== */
.float-menu {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 900;
}

.float-menu-toggle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  transition: all var(--transition-base);
}

.float-menu-toggle:hover {
  transform: scale(1.08);
  box-shadow: var(--shadow-xl);
}

.float-menu-panel {
  position: absolute;
  bottom: 64px;
  left: 0;
  width: 260px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 16px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-base);
}

.float-menu-panel.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.float-menu-panel a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  color: var(--color-text);
  transition: all var(--transition-fast);
}

.float-menu-panel a:hover {
  background: rgba(43, 58, 103, 0.06);
  color: var(--color-primary);
  padding-left: 18px;
}

.float-menu-panel a i {
  width: 20px;
  text-align: center;
  color: var(--color-text-light);
}

.float-menu-panel a:hover i {
  color: var(--color-accent);
}

/* ===== 页脚 ===== */
.footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 24px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand-name {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 8px;
  letter-spacing: 2px;
}

.footer-brand-slogan {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 16px;
  font-style: italic;
}

.footer-cert {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(201, 169, 110, 0.15);
  border: 1px solid rgba(201, 169, 110, 0.3);
  color: var(--color-gold-light);
  font-size: 0.75rem;
  margin-top: 8px;
}

.footer h5 {
  color: var(--color-white);
  font-size: 0.95rem;
  margin-bottom: 16px;
}

/* 学院栏纵向拆成双列 */
.footer-split-cols {
  display: flex;
  gap: 24px;
}
.footer-split-cols .footer-links {
  flex: 1;
  min-width: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-gold-light);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.05); opacity: 0.8; }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes ripple {
  0% { transform: scale(0); opacity: 0.5; }
  100% { transform: scale(2); opacity: 0; }
}

.fade-in-up { animation: fadeInUp 0.6s ease forwards; }
.fade-in { animation: fadeIn 0.6s ease forwards; }
.slide-in-left { animation: slideInLeft 0.6s ease forwards; }
.slide-in-right { animation: slideInRight 0.6s ease forwards; }
.float-anim { animation: float 3s ease-in-out infinite; }

/* 滚动触发动画 */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

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

/* ===== 导航下拉菜单 ===== */
.navbar-menu-item {
  position: relative;
}

.navbar-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 180px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 1001;
}

.navbar-menu-item:hover .navbar-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.navbar-dropdown a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--color-text);
  white-space: nowrap;
}

.navbar-dropdown a:hover {
  background: rgba(43, 58, 103, 0.06);
  color: var(--color-primary);
}

.navbar-dropdown a .tag {
  margin-left: auto;
  font-size: 0.65rem;
}

.navbar-menu-item > a .navbar-caret {
  font-size: 0.65rem;
  margin-left: 4px;
  transition: transform var(--transition-fast);
}

.navbar-menu-item:hover > a .navbar-caret {
  transform: rotate(180deg);
}

/* ===== 导航用户菜单 ===== */
.nav-user-badge {
  display: flex; align-items: center; gap: 7px;
  padding: 6px 8px 6px 14px; border-radius: 20px 0 0 20px;
  text-decoration: none; color: var(--color-text);
  font-size: 0.85rem; font-weight: 600;
  transition: all 0.2s; white-space: nowrap;
  background: rgba(43, 58, 103, 0.04);
  border: 1px solid rgba(43, 58, 103, 0.08);
  border-right: none;
}
.nav-user-badge:hover {
  background: rgba(43, 58, 103, 0.08);
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}
.nav-user-badge i {
  font-size: 1.15rem; color: var(--color-accent);
}

/* 名称切换器 */
.nav-name-switcher {
  display: flex; align-items: center; justify-content: center;
  width: 28px; height: 36px;
  border-radius: 0 20px 20px 0;
  border: 1px solid rgba(43, 58, 103, 0.08);
  border-left: none;
  background: rgba(43, 58, 103, 0.04);
  color: var(--color-text);
  cursor: pointer; transition: all 0.2s;
  font-size: 0.58rem; opacity: 0.55;
}
.nav-name-switcher:hover {
  background: rgba(43, 58, 103, 0.08);
  border-color: var(--color-primary);
  color: var(--color-primary);
  opacity: 1;
}
.nav-name-dropdown {
  display: none; position: absolute; top: calc(100% + 6px); right: 0;
  min-width: 160px; background: #fff; border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.18), 0 2px 6px rgba(0,0,0,0.08);
  z-index: 1001; overflow: hidden;
}
.nav-name-dropdown.show { display: block; }
.name-switch-option {
  display: block; padding: 10px 16px; font-size: 0.85rem;
  color: #333; text-decoration: none; transition: background 0.15s;
  white-space: nowrap; border-bottom: 1px solid #f0f0f0;
}
.name-switch-option:last-child { border-bottom: none; }
.name-switch-option:hover { background: #f5f5ff; color: var(--color-primary); }
.name-switch-option.active { background: #eef0ff; color: var(--color-primary); font-weight: 600; }
.name-switch-option.active::after {
  content: ' ✓'; font-size: 0.75rem; opacity: 0.7;
}

.navbar-user {
  position: relative;
}

.navbar-user-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 4px 8px 4px 4px;
  border-radius: var(--radius-full);
  transition: background var(--transition-fast);
}
.navbar-user-trigger:hover { background: rgba(43, 58, 103, 0.05); }

.navbar-user-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: white;
  font-weight: 700;
  font-size: 0.8rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar-user-name {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--color-text);
  max-width: 80px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 角色徽章 */
.role-badge {
  font-size: 0.6rem;
  padding: 1px 5px;
  border-radius: 4px;
  background: var(--color-accent-light);
  color: white;
  font-weight: 600;
  vertical-align: middle;
  margin-left: 4px;
}

.navbar-user-dropdown {
  position: absolute;
  top: 110%;
  right: 0;
  min-width: 170px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 8px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: all var(--transition-fast);
  z-index: 1001;
}

.navbar-user-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.navbar-user-dropdown a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  color: var(--color-text);
  white-space: nowrap;
  text-decoration: none;
}

.navbar-user-dropdown a:hover {
  background: rgba(43, 58, 103, 0.06);
  color: var(--color-primary);
}

.navbar-user-divider {
  height: 1px;
  background: var(--color-border);
  margin: 4px 0;
}

.navbar-user-dropdown .logout-link {
  color: #c0392b;
}
.navbar-user-dropdown .logout-link:hover {
  background: rgba(192, 57, 43, 0.1);
  color: #e74c3c;
}

/* 模块"即将上线"标签 */
.module-coming-soon {
  position: relative;
}

.module-coming-soon::after {
  content: '即将上线';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.5rem;
  padding: 1px 5px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 500;
  white-space: nowrap;
  z-index: 1;
  line-height: 1.4;
}

/* ===== 响应式 ===== */

/* 平板 1024px-1199px */
@media (max-width: 1199px) {
  .grid-4 { grid-template-columns: repeat(3, 1fr); }
  .grid-6 { grid-template-columns: repeat(3, 1fr); }

  .navbar-search input { width: 120px; }
}

/* 平板 768px-1023px */
@media (max-width: 1023px) {
  h1 { font-size: clamp(1.6rem, 4vw, 2.2rem); }
  h2 { font-size: clamp(1.3rem, 3.5vw, 1.8rem); }
  h3 { font-size: clamp(1.1rem, 3vw, 1.4rem); }

  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-6 { grid-template-columns: repeat(2, 1fr); }

  .section { padding: 56px 0; }

  .navbar-search { display: none; }

  .navbar-menu a {
    padding: 5px 6px;
    font-size: 0.74rem;
  }

  .navbar-logo-icon { width: 36px; height: 36px; }
  .navbar-logo-text { font-size: 1.15rem; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

/* 手机 <768px */
@media (max-width: 767px) {
  h1 { font-size: clamp(1.5rem, 6vw, 2rem); }
  h2 { font-size: clamp(1.2rem, 5vw, 1.5rem); }
  h3 { font-size: 1.1rem; }

  .navbar-inner {
    padding: 0 16px;
  }

  .navbar-logo {
    gap: 8px;
  }

  .navbar-logo-text {
    letter-spacing: 1px;
  }

  .navbar-actions {
    gap: 6px;
  }

  .navbar-actions .btn {
    padding: 5px 10px;
    font-size: 0.72rem;
  }

  .navbar-actions .btn-sm {
    padding: 4px 8px;
    font-size: 0.7rem;
  }

  .navbar-user {
    max-width: 100px;
  }

  .nav-user-badge {
    padding: 4px 5px 4px 7px;
    font-size: 0.72rem;
    gap: 4px;
  }

  .nav-user-badge i {
    font-size: 1.05rem;
  }

  .nav-name-switcher {
    width: 24px;
    height: 32px;
  }

  .navbar-menu {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    flex-direction: column;
    padding: 16px;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
    overflow-y: auto;
  }

  .navbar-menu.show {
    display: flex;
  }

  .navbar-menu a {
    width: 100%;
    padding: 14px 16px;
  }

  /* 移动端下拉菜单展开 */
  .navbar-dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    min-width: 0;
    box-shadow: none;
    border: none;
    background: rgba(43, 58, 103, 0.04);
    border-radius: var(--radius-md);
    margin: 4px 0 4px 16px;
    padding: 4px;
  }

  .navbar-menu-item:hover .navbar-dropdown {
    transform: none;
  }

  .navbar-caret { display: none; }

  .navbar-toggle {
    display: flex;
  }

  .container {
    padding: 0 16px;
  }

  .section {
    padding: 40px 0;
  }

  .section-sm {
    padding: 32px 0;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .grid-6 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .float-menu-toggle {
    width: 48px;
    height: 48px;
  }
}

/* 超小屏 <480px */
@media (max-width: 480px) {
  :root {
    --nav-height: 56px;
  }

  .navbar-inner {
    padding: 0 12px;
  }

  .navbar-logo-sub { display: none; }
  .navbar-logo-text { font-size: 1.1rem; }
  .navbar-logo-icon { width: 34px; height: 34px; }

  .navbar-user {
    max-width: none;
  }

  .nav-user-badge span,
  .nav-name-switcher {
    display: none;
  }

  .nav-user-badge {
    padding: 6px;
    border-radius: 50%;
    border-right: 1px solid rgba(43, 58, 103, 0.08) !important;
  }

  .nav-user-badge i {
    font-size: 1.15rem;
  }

  .container {
    padding: 0 12px;
  }

  .section {
    padding: 32px 0;
  }

  .btn { padding: 8px 18px; font-size: 0.85rem; }
  .btn-lg { padding: 12px 24px; font-size: 0.9rem; }
}

/* ===== 文学作品中插入的图片 ===== */
.wc-doc-image,
.doc-reader-page img {
  max-width: 100%;
  border-radius: 8px;
  margin: 12px 0;
  display: block;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* ===== 工具类 ===== */
.hidden { display: none !important; }
.mt-sm { margin-top: 8px; }
.mt-md { margin-top: 16px; }
.mt-lg { margin-top: 24px; }
.mt-xl { margin-top: 40px; }
.mb-sm { margin-bottom: 8px; }
.mb-md { margin-bottom: 16px; }
.mb-lg { margin-bottom: 24px; }
.mb-xl { margin-bottom: 40px; }
.p-md { padding: 16px; }
.p-lg { padding: 24px; }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
}
.cursor-pointer { cursor: pointer; }
.position-relative { position: relative; }
.position-absolute { position: absolute; }
.w-full { width: 100%; }
.h-full { height: 100%; }

/* ===== 全局基础控件兜底美化（确保未套 .btn/.form-input 的原生控件也好看） ===== */
button { font-family: inherit; cursor: pointer; }
input, select, textarea {
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--color-text);
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  transition: all var(--transition-fast);
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(139, 30, 58, 0.1);
}
input::placeholder, textarea::placeholder { color: var(--color-text-light); }

/* 正文段落与列表舒适性 */
p { margin-bottom: 1em; }
.text-body { color: var(--color-text-secondary); line-height: 1.9; }