/* ==========================================================================
   AI 公益中转站导航 - 现代科技感美学样式系统 (2x2 旗舰高颜值版)
   设计理念: 赛博毛玻璃 (Cyber Glassmorphism), 2x2 黄金排版, 游戏化打卡系统
   ========================================================================== */

/* ===== CSS 变量系统与主题定义 ===== */
:root {
  /* 基础暗黑配色 */
  --bg-main: #090d16;
  --bg-secondary: #0f172a;
  --bg-card: rgba(17, 24, 39, 0.78);
  --bg-card-hover: rgba(30, 41, 59, 0.88);
  --bg-input: rgba(15, 23, 42, 0.85);
  --bg-glass: rgba(15, 23, 42, 0.8);
  --bg-modal: #111827;

  /* 边框与分割线 */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-card: rgba(255, 255, 255, 0.12);
  --border-card-hover: rgba(99, 102, 241, 0.45);
  --border-glow: rgba(56, 189, 248, 0.3);

  /* 文字颜色 */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-inverse: #0f172a;

  /* 主题与强调色 */
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --primary-glow: rgba(99, 102, 241, 0.28);
  
  --accent-cyan: #38bdf8;
  --accent-cyan-glow: rgba(56, 189, 248, 0.25);
  
  --accent-purple: #a855f7;
  --accent-pink: #ec4899;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;

  /* 阴影系统 */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 10px 28px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.55);
  --shadow-glow: 0 0 30px rgba(99, 102, 241, 0.25);

  /* 尺寸与圆角 */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 26px;
  --radius-full: 9999px;

  /* 动效曲线 */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* 浅色主题支持 (超高清对比度与柔和阴影) */
[data-theme="light"] {
  --bg-main: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --bg-input: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.94);
  --bg-modal: #ffffff;

  --border-subtle: #e2e8f0;
  --border-card: #e2e8f0;
  --border-card-hover: rgba(99, 102, 241, 0.45);
  --border-glow: rgba(56, 189, 248, 0.25);

  --text-primary: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  --shadow-sm: 0 2px 8px rgba(148, 163, 184, 0.12);
  --shadow-md: 0 10px 24px rgba(148, 163, 184, 0.18);
  --shadow-lg: 0 20px 40px rgba(148, 163, 184, 0.22);
  --shadow-glow: 0 0 25px rgba(99, 102, 241, 0.15);
}

/* ===== 重置与基础设置 ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* 页面背景氛围微光 */
.bg-glow-mesh {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(110px);
  opacity: 0.45;
  transition: opacity 0.5s ease;
}

[data-theme="light"] .glow-orb {
  opacity: 0.18;
}

.glow-orb-1 {
  top: -10%;
  left: 15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.38), transparent 70%);
}

.glow-orb-2 {
  top: 25%;
  right: -5%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.28), transparent 70%);
}

.glow-orb-3 {
  bottom: 5%;
  left: 30%;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.22), transparent 70%);
}

.page-wrapper {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

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

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

/* ===== 顶部导航栏 (Navbar) ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-normal);
}

.nav-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
}

.brand-logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #6366f1, #38bdf8);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fff;
  box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.brand-text-wrap {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.brand-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 600;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.nav-btn:hover {
  color: var(--text-primary);
  border-color: var(--primary);
  background: var(--bg-card-hover);
  transform: translateY(-1px);
}

.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 16px;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  color: var(--accent-amber);
  border-color: var(--accent-amber);
}

/* ===== 顶部置顶通知条 ===== */
.global-notice-bar {
  background: linear-gradient(90deg, rgba(99, 102, 241, 0.15), rgba(56, 189, 248, 0.15));
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-primary);
  position: relative;
  z-index: 90;
}

.notice-pill {
  background: var(--primary);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.notice-link-btn {
  color: var(--accent-cyan);
  text-decoration: underline;
  cursor: pointer;
  margin-left: 6px;
  font-weight: 600;
}

.notice-close-btn {
  position: absolute;
  right: 16px;
  color: var(--text-muted);
  font-size: 16px;
  padding: 4px 8px;
}

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

/* ===== Hero 模块 ===== */
.hero-section {
  padding: 48px 24px 24px;
  text-align: center;
  max-width: 960px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 18px;
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.15);
}

.badge-pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulse-ring 2s infinite cubic-bezier(0.66, 0, 0, 1);
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-title {
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1.25;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #ffffff 20%, #38bdf8 65%, #a855f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

[data-theme="light"] .hero-title {
  background: linear-gradient(135deg, #0f172a 20%, #4f46e5 70%, #0284c7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: clamp(14px, 1.8vw, 16.5px);
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 22px;
  line-height: 1.75;
}

.hero-model-tags {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.hero-model-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  color: var(--accent-cyan);
  font-family: monospace;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

[data-theme="light"] .hero-model-chip {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #0284c7;
  box-shadow: 0 2px 8px rgba(148, 163, 184, 0.15);
}

/* 统计数据看板 (Stats Cards) */
.hero-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 860px;
  margin: 0 auto 24px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 16px 10px;
  text-align: center;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-card-hover);
  box-shadow: var(--shadow-md), var(--shadow-glow);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-value {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.5px;
  margin-bottom: 2px;
}

.stat-value.primary { color: var(--accent-cyan); }
.stat-value.success { color: var(--accent-emerald); }
.stat-value.warning { color: var(--accent-amber); }
.stat-value.purple { color: var(--accent-purple); }

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

/* 白嫖福利提示条 */
.hero-guide-banner {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.12), rgba(56, 189, 248, 0.12));
  border: 1px solid rgba(16, 185, 129, 0.35);
  border-radius: var(--radius-full);
  padding: 8px 20px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

.guide-badge {
  background: var(--accent-emerald);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.guide-text {
  font-weight: 600;
}

.guide-highlight {
  color: var(--accent-emerald);
  font-weight: 800;
}

/* ==========================================================================
   UI亮点：4 站全领打卡清单横条 (Gamified Checklist Banner)
   ========================================================================== */
.checklist-section {
  max-width: 1240px;
  margin: 0 auto 24px;
  padding: 0 24px;
}

.checklist-card {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(56, 189, 248, 0.08));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--radius-lg);
  padding: 16px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-sm);
}

[data-theme="light"] .checklist-card {
  background: linear-gradient(135deg, #f0fdf4, #eff6ff);
  border-color: #cbd5e1;
}

.checklist-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.checklist-trophy {
  font-size: 26px;
  animation: bounce-subtle 2s infinite ease-in-out;
}

@keyframes bounce-subtle {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-3px); }
}

.checklist-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--text-primary);
}

.checklist-desc {
  font-size: 12px;
  color: var(--text-secondary);
}

.checklist-progress-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
}

.progress-bar-bg {
  flex: 1;
  height: 8px;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

[data-theme="light"] .progress-bar-bg {
  background: #e2e8f0;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #10b981, #38bdf8);
  border-radius: var(--radius-full);
  transition: width 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.progress-text {
  font-size: 12px;
  font-weight: 800;
  color: var(--accent-emerald);
  white-space: nowrap;
}

/* ===== 控制栏 (筛选 / 搜索 / 排序) ===== */
.controls-section {
  max-width: 1240px;
  margin: 0 auto 28px;
  padding: 0 24px;
}

.controls-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 14px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  box-shadow: var(--shadow-sm);
}

.filter-tabs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.filter-tab {
  padding: 7px 16px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.filter-tab:hover {
  color: var(--text-primary);
  border-color: rgba(99, 102, 241, 0.4);
}

.filter-tab.active {
  background: linear-gradient(135deg, var(--primary), #4f46e5);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.4);
}

.filter-tab-count {
  font-size: 11px;
  opacity: 0.85;
  background: rgba(255, 255, 255, 0.2);
  padding: 1px 6px;
  border-radius: 10px;
}

.tools-group {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  width: 260px;
}

.search-input {
  width: 100%;
  height: 38px;
  padding: 0 36px 0 34px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: all var(--transition-fast);
}

.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  pointer-events: none;
}

.search-clear-btn {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
  padding: 4px;
  display: none;
}

.search-clear-btn:hover {
  color: var(--text-primary);
}

.sort-select-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.sort-select {
  height: 38px;
  padding: 0 32px 0 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 600;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sort-select:focus {
  border-color: var(--primary);
}

.sort-select-icon {
  position: absolute;
  right: 12px;
  pointer-events: none;
  font-size: 10px;
  color: var(--text-muted);
}

/* ==========================================================================
   核心卡片网格系统 (2x2 两排两列黄金布局，宽敞大气)
   ========================================================================== */
.main-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px 50px;
  flex: 1;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 2x2 排列，每行2个，共2行 */
  gap: 28px;
}

/* 站点卡片容器 */
.site-card {
  background: var(--bg-card);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: all var(--transition-smooth);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.site-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #6366f1, #38bdf8, #a855f7);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.site-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-card-hover);
  box-shadow: var(--shadow-lg), 0 0 35px rgba(99, 102, 241, 0.18);
}

.site-card:hover::after {
  opacity: 1;
}

/* 置顶 & 紧急高光呼吸动画 (GoRouter 高光呼吸流光) */
.site-card.pinned {
  border-color: rgba(99, 102, 241, 0.35);
}

.site-card.is-urgent {
  border-color: rgba(245, 158, 11, 0.6);
  box-shadow: 0 0 24px rgba(245, 158, 11, 0.2);
  animation: urgent-pulse-glow 3s infinite alternate ease-in-out;
}

@keyframes urgent-pulse-glow {
  0% {
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.15), inset 0 0 15px rgba(245, 158, 11, 0.05);
    border-color: rgba(245, 158, 11, 0.5);
  }
  100% {
    box-shadow: 0 0 30px rgba(245, 158, 11, 0.35), inset 0 0 22px rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.95);
  }
}

/* 卡片角标 */
.card-badges-wrapper {
  position: absolute;
  top: 18px;
  right: 18px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-top-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.25), rgba(239, 68, 68, 0.25));
  border: 1px solid rgba(245, 158, 11, 0.5);
  color: #fde68a;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.25);
  white-space: nowrap;
}

[data-theme="light"] .card-top-badge {
  background: #fef3c7;
  border-color: #f59e0b;
  color: #b45309;
}

.card-new-badge {
  font-size: 10px;
  font-weight: 800;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  letter-spacing: 0.5px;
}

/* 卡片头部 */
.card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  padding-right: 60px;
}

.card-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.25);
}

.card-title-group {
  display: flex;
  flex-direction: column;
}

.card-site-name {
  font-size: 19px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.card-domain-tag {
  font-size: 12px;
  color: var(--text-muted);
  font-family: monospace;
}

/* 旗舰模型支持高亮标签条 */
.card-model-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}

.model-pill {
  font-size: 11.5px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  background: rgba(56, 189, 248, 0.12);
  border: 1px solid rgba(56, 189, 248, 0.35);
  color: var(--accent-cyan);
  font-family: monospace;
}

[data-theme="light"] .model-pill {
  background: #f0f9ff;
  border-color: #bae6fd;
  color: #0369a1;
}

.model-pill.highlight {
  background: rgba(245, 158, 11, 0.15);
  border-color: rgba(245, 158, 11, 0.45);
  color: #fbbf24;
}

[data-theme="light"] .model-pill.highlight {
  background: #fffbeb;
  border-color: #fde68a;
  color: #b45309;
}

/* 卡片描述 */
.card-desc {
  font-size: 13.5px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 14px;
  min-height: 42px;
}

/* 站长推荐语气泡 (Quote) */
.card-recommend-box {
  background: rgba(99, 102, 241, 0.08);
  border-left: 3px solid var(--primary);
  padding: 9px 14px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 12.5px;
  color: var(--accent-cyan);
  margin-bottom: 16px;
  line-height: 1.55;
  font-weight: 500;
}

[data-theme="light"] .card-recommend-box {
  background: #eff6ff;
  border-left-color: #3b82f6;
  color: #1d4ed8;
}

.card-recommend-box.urgent-quote {
  background: rgba(245, 158, 11, 0.1);
  border-left-color: var(--accent-amber);
  color: #fde047;
}

[data-theme="light"] .card-recommend-box.urgent-quote {
  background: #fefce8;
  border-left-color: #eab308;
  color: #a16207;
}

/* 标签列表 */
.card-tags-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 18px;
}

.card-tag-pill {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

/* 福利拆解展示栏 (三段式奖励卡) */
.reward-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 10px;
  margin-bottom: 20px;
  text-align: center;
}

[data-theme="light"] .reward-breakdown-grid {
  background: #f8fafc;
  border-color: #e2e8f0;
}

.reward-cell {
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.reward-cell:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 15%;
  bottom: 15%;
  width: 1px;
  background: var(--border-subtle);
}

.reward-cell-label {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.reward-cell-value {
  font-size: 13px;
  font-weight: 800;
  color: var(--text-primary);
  white-space: nowrap;
}

.reward-cell-value.highlight-green { color: var(--accent-emerald); }
.reward-cell-value.highlight-amber { color: var(--accent-amber); }
.reward-cell-value.highlight-cyan { color: var(--accent-cyan); }

/* 卡片操作按钮组 */
.card-actions-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn-primary-jump {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary), #4f46e5);
  color: #ffffff;
  font-size: 13.5px;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
  transition: all var(--transition-fast);
}

.btn-primary-jump:hover {
  background: linear-gradient(135deg, #4f46e5, #4338ca);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
  transform: translateY(-2px);
}

.btn-primary-jump.urgent-glow {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.4);
}

.btn-primary-jump.urgent-glow:hover {
  box-shadow: 0 6px 24px rgba(245, 158, 11, 0.6);
}

.btn-icon-copy {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 15px;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.btn-icon-copy:hover {
  color: var(--text-primary);
  border-color: var(--primary);
  background: var(--bg-card-hover);
  transform: translateY(-2px);
}

/* 空状态 */
.empty-state-box {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  background: var(--bg-card);
  border: 1px dashed var(--border-card);
  border-radius: var(--radius-lg);
  color: var(--text-muted);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.6;
}

.empty-state-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

/* ===== 常用客户端配置指南 ===== */
.client-guide-section {
  max-width: 1240px;
  margin: 0 auto 50px;
  padding: 0 24px;
}

.guide-panel-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  box-shadow: var(--shadow-md);
}

.guide-panel-header {
  text-align: center;
  margin-bottom: 24px;
}

.guide-panel-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.guide-panel-sub {
  font-size: 13.5px;
  color: var(--text-muted);
}

.client-tabs-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.client-tab-btn {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.client-tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 2px 10px rgba(99, 102, 241, 0.4);
}

.client-guide-content {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.guide-step-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
}

.step-number {
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.step-details {
  flex: 1;
}

.step-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.step-text {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== 常见问题 FAQ 模块 ===== */
.faq-section {
  max-width: 960px;
  margin: 0 auto 50px;
  padding: 0 24px;
}

.faq-title-wrap {
  text-align: center;
  margin-bottom: 28px;
}

.faq-main-title {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 6px;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--border-card-hover);
}

.faq-question {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.faq-arrow {
  color: var(--text-muted);
  font-size: 12px;
  transition: transform var(--transition-normal);
}

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

.faq-answer {
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: none;
}

.faq-item.open .faq-answer {
  display: block;
}

/* ===== 页脚 (Footer) ===== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 40px 24px 28px;
  margin-top: auto;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-content {
  max-width: 800px;
  margin: 0 auto;
}

.footer-disclaimer {
  line-height: 1.7;
  margin-bottom: 14px;
}

.footer-copyright {
  font-size: 12px;
}

/* ===== Toast 提示浮层 ===== */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}

.toast-msg {
  background: rgba(17, 24, 39, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #f8fafc;
  padding: 10px 20px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5), 0 0 15px rgba(56, 189, 248, 0.2);
  animation: toast-slide-up 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

[data-theme="light"] .toast-msg {
  background: rgba(255, 255, 255, 0.98);
  color: #0f172a;
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 10px 25px rgba(148, 163, 184, 0.25);
}

@keyframes toast-slide-up {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 模态弹窗 (Modal) ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-dialog {
  background: var(--bg-modal);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-xl);
  max-width: 520px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modal-pop 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-pop {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 17px;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close-btn {
  font-size: 20px;
  color: var(--text-muted);
  line-height: 1;
  padding: 4px;
}

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

.modal-body {
  padding: 24px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-height: 60vh;
  overflow-y: auto;
}

.modal-body p {
  margin-bottom: 12px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: var(--bg-secondary);
}

.btn-secondary {
  padding: 8px 16px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
}

.btn-secondary:hover {
  color: var(--text-primary);
  background: var(--bg-card-hover);
}

.btn-primary {
  padding: 8px 18px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
}

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

/* 浮动返回顶部按钮 */
.back-to-top-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-card);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
  z-index: 80;
}

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

.back-to-top-btn:hover {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

/* ===== 移动端与平板响应式 ===== */
@media (max-width: 860px) {
  .nav-container {
    padding: 0 16px;
    height: 60px;
  }
  
  .hero-section {
    padding: 32px 16px 20px;
  }

  .hero-stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .stat-card {
    padding: 12px 8px;
  }

  .stat-value {
    font-size: 20px;
  }

  .checklist-section {
    padding: 0 16px;
  }

  .checklist-card {
    flex-direction: column;
    align-items: stretch;
    padding: 14px 16px;
  }

  .controls-section {
    padding: 0 16px;
  }

  .controls-card {
    flex-direction: column;
    align-items: stretch;
    padding: 14px;
  }

  .tools-group {
    width: 100%;
    justify-content: space-between;
  }

  .search-box {
    flex: 1;
    width: auto;
  }

  .main-container {
    padding: 0 16px 40px;
  }

  .cards-grid {
    grid-template-columns: 1fr; /* 移动端单列自适应 */
    gap: 16px;
  }

  .site-card {
    padding: 20px 16px;
  }

  .client-guide-section {
    padding: 0 16px;
  }

  .guide-panel-card {
    padding: 20px 14px;
  }
}