:root {
  /* 暗色主题颜色 */
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #1e242d;
  --bg-card: rgba(30, 35, 44, 0.6);
  --bg-modal: rgba(22, 27, 34, 0.85);
  --accent-primary: #ff8a00;
  --accent-secondary: #ff3cac;
  --text-primary: #f0f6fc;
  --text-secondary: #c9d1d9;
  --text-muted: #8b949e;
  --border-color: rgba(240, 246, 252, 0.1);
  --shadow-color: rgba(0, 0, 0, 0.4);
  --glass-bg: rgba(30, 35, 44, 0.45);
  --glass-border: rgba(240, 246, 252, 0.05);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --glass-backdrop: blur(12px);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary));
  color: var(--text-primary);
  min-height: 100vh;
  padding: 0;
  margin: 0;
  line-height: 1.6;
}

/* 毛玻璃效果卡片 */
.card, .panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  box-shadow: var(--glass-shadow);
  padding: 24px;
  margin-bottom: 24px;
  transition: all 0.3s ease;
}

.card:hover, .panel:hover {
  background: rgba(30, 35, 44, 0.55);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

/* 品牌标识 */
.brand-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  color: white;
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(255, 138, 0, 0.2);
}

.brand-name {
  font-size: 0.95rem;
  letter-spacing: 0.2px;
}

.logo-text {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 138, 0, 0.2);
}

/* 页面布局 */
.wrap, .page {
  min-height: 100vh;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
}

.panel {
  width: min(1100px, 96%);
}

/* 标题区域 */
header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

h1 {
  margin: 0;
  font-size: 1.8rem;
  font-weight: 700;
}

.title {
  font-size: 1.5rem;
  font-weight: 700;
}

.subtitle, .lead {
  color: var(--text-secondary);
  margin-top: 8px;
  font-size: 1rem;
}

/* 控制区域 */
.controls {
  margin: 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.search {
  background: rgba(13, 17, 23, 0.6);
  border: 1px solid var(--glass-border);
  padding: 12px 16px;
  border-radius: 12px;
  color: var(--text-primary);
  min-width: 240px;
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  transition: all 0.2s ease;
}

.search:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(255, 138, 0, 0.2);
}

/* 应用卡片 */
.apps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 12px;
}

.app-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 16px;
  display: flex;
  gap: 14px;
  align-items: center;
  box-shadow: var(--glass-shadow);
  transition: all 0.3s ease;
  cursor: pointer;
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
}

.app-card:hover {
  transform: translateY(-4px);
  background: rgba(30, 35, 44, 0.65);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
  border-color: rgba(240, 246, 252, 0.08);
}

.app-card:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(255, 138, 0, 0.3), 0 12px 36px rgba(0, 0, 0, 0.4);
  border-color: rgba(255, 138, 0, 0.3);
}

.app-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  flex: 0 0 56px;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.app-info {
  flex: 1;
  min-width: 0;
}

.app-name {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 4px;
  color: var(--text-primary);
}

.app-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-bottom: 8px;
  line-height: 1.4;
}

.app-meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* 按钮 */
.btn {
  padding: 10px 16px;
  border-radius: 12px;
  border: 1px solid var(--glass-border);
  background: rgba(30, 35, 44, 0.6);
  color: var(--text-primary);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 40px;
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
}

.btn:hover {
  background: rgba(30, 35, 44, 0.8);
  border-color: rgba(240, 246, 252, 0.15);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.ghost {
  background: transparent;
}

.primary {
  background: rgba(30, 35, 44, 0.6);
  border: 1px solid var(--glass-border);
  box-shadow: none;
}

.primary:hover {
  background: rgba(30, 35, 44, 0.8);
  border-color: rgba(240, 246, 252, 0.15);
  box-shadow: none;
}

/* 模态框 */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(1, 4, 9, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 1000;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.modal {
  width: 100%;
  max-width: 720px;
  background: var(--bg-modal);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 24px;
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
  transform: translateY(12px);
  opacity: 0;
  transition: all 0.3s ease;
}

.modal.show {
  opacity: 1;
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--glass-border);
}

.modal-title {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text-primary);
}

.modal-body {
  margin: 20px 0;
  color: var(--text-secondary);
  line-height: 1.7;
}

.modal-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--glass-border);
  justify-content: flex-end;
}

.close-x {
  margin-left: auto;
  background: transparent;
  border: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-weight: 700;
  cursor: pointer;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.close-x:hover {
  background: rgba(240, 246, 252, 0.05);
  color: var(--text-primary);
  border-color: var(--text-muted);
}

/* 导航 */
nav {
  display: flex;
  gap: 12px;
  margin: 20px 0;
  flex-wrap: wrap;
}

/* 主要内容区域 */
main {
  margin: 24px 0;
}

section {
  margin-bottom: 24px;
}

section strong {
  display: block;
  font-size: 1.1rem;
  margin-bottom: 12px;
  color: var(--text-primary);
}

section p {
  margin-bottom: 16px;
}

section ul {
  padding-left: 20px;
  margin: 12px 0;
}

section li {
  margin-bottom: 8px;
}

details {
  margin: 16px 0;
  padding: 12px;
  background: rgba(13, 17, 23, 0.4);
  border-radius: 10px;
  border: 1px solid var(--glass-border);
}

summary {
  font-weight: 600;
  cursor: pointer;
  padding: 8px 0;
  outline: none;
}

summary:focus {
  outline: none;
}

summary:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* 杂项 */
.muted {
  color: var(--text-muted);
}

.details {
  background: rgba(13, 17, 23, 0.4);
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--glass-border);
  margin: 16px 0;
}

/* 页脚 */
footer {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--glass-border);
}

/* 链接 */
a {
  color: #58a6ff;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .controls {
    flex-direction: column;
    align-items: stretch;
  }
  
  .search {
    min-width: auto;
  }
  
  .apps {
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  }
  
  .modal-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  
  .modal-actions {
    flex-direction: column;
  }
  
  .modal-actions .btn {
    width: 100%;
  }
}

@media (max-width: 520px) {
  .app-card {
    padding: 14px;
  }
  
  .app-icon {
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
  }
  
  .brand-name {
    font-size: 0.85rem;
  }
  
  header {
    gap: 12px;
  }
  
  .title {
    font-size: 1.3rem;
  }
  
  .modal {
    padding: 20px;
  }
}