/* ============================================
   语信IDC - 通用样式（base + layout + components 合并）
   所有页面共用，请勿在页面专属CSS中重复定义
   ============================================ */

/* ============================================
   语信IDC - 全新设计系统 Base.css
   设计变量、重置、通用组件
   ============================================ */

/* ===== 设计变量 ===== */
:root {
  /* 主色调 - 科技蓝 */
  --color-primary: #2563eb;
  --color-primary-dark: #1d4ed8;
  --color-primary-light: #3b82f6;
  --color-primary-lighter: #60a5fa;
  --color-primary-bg: #eff6ff;
  --color-primary-bg-dark: #dbeafe;

  /* 辅助色 - 科技青 */
  --color-accent: #06b6d4;
  --color-accent-dark: #0891b2;
  --color-accent-light: #22d3ee;
  --color-accent-bg: #ecfeff;

  /* 功能色 */
  --color-success: #10b981;
  --color-success-dark: #059669;
  --color-success-bg: #ecfdf5;
  --color-warning: #f59e0b;
  --color-warning-dark: #d97706;
  --color-warning-bg: #fffbeb;
  --color-error: #ef4444;
  --color-error-dark: #dc2626;
  --color-error-bg: #fef2f2;
  --color-info: #6366f1;
  --color-info-bg: #eef2ff;

  /* 中性色 */
  --color-text-primary: #0f172a;
  --color-text-secondary: #475569;
  --color-text-tertiary: #64748b;
  --color-text-muted: #94a3b8;
  --color-text-inverse: #ffffff;

  /* 背景色 */
  --color-bg-page: #f8fafc;
  --color-bg-card: #ffffff;
  --color-bg-muted: #f1f5f9;
  --color-bg-dark: #0f172a;
  --color-bg-dark-2: #1e293b;

  /* 边框色 */
  --color-border: #e2e8f0;
  --color-border-light: #f1f5f9;
  --color-border-dark: #cbd5e1;

  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #2563eb 50%, #3b82f6 100%);
  --gradient-primary-2: linear-gradient(135deg, #2563eb 0%, #06b6d4 100%);
  --gradient-accent: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
  --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --gradient-success: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
  --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);

  /* 字体 */
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-family-mono: "SF Mono", "Fira Code", "Consolas", monospace;

  /* 字号 */
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-md: 15px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-size-5xl: 36px;
  --font-size-6xl: 48px;

  /* 字重 */
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* 行高 */
  --line-height-tight: 1.25;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;

  /* 间距 - 8px基准 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-16: 64px;
  --space-20: 80px;

  /* 圆角 */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --shadow-primary: 0 10px 25px -5px rgba(37, 99, 235, 0.3);
  --shadow-primary-lg: 0 20px 40px -10px rgba(37, 99, 235, 0.4);

  /* 过渡动画 */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* 容器宽度 */
  --container-width: 1200px;
  --container-width-narrow: 960px;

  /* 导航高度 */
  --nav-height: 68px;

  /* Z-index层级 */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-modal: 300;
  --z-toast: 400;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-page);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
  list-style: none;
}

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

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* ===== 容器 ===== */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.container-narrow {
  max-width: var(--container-width-narrow);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

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

.btn-gradient {
  background: var(--gradient-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-primary);
}

.btn-gradient:hover {
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-primary-lg);
  transform: translateY(-2px);
}

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

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

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

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

.btn-white {
  background: var(--color-bg-card);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

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

.btn-ghost-white {
  border: 1px solid rgba(255, 255, 255, 0.4);
  color: var(--color-text-inverse);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.btn-ghost-white:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--color-text-inverse);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-danger {
  background: var(--color-error);
  color: var(--color-text-inverse);
}

.btn-danger:hover {
  background: var(--color-error-dark);
  color: var(--color-text-inverse);
}

.btn-success {
  background: var(--color-success);
  color: var(--color-text-inverse);
}

.btn-success:hover {
  background: var(--color-success-dark);
  color: var(--color-text-inverse);
}

.btn-plain {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  color: var(--color-text-secondary);
}

.btn-plain:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-lg {
  padding: var(--space-3) var(--space-8);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

.btn-sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn:disabled, .btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ===== 卡片 ===== */
.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  padding: var(--space-6);
  transition: all var(--transition-normal);
}

.card-hover:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--color-primary-lighter);
}

.card-featured {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-primary);
  position: relative;
}

.card-featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

/* ===== 网格布局 ===== */
.grid {
  display: grid;
  gap: var(--space-5);
}

.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-auto {
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}

/* ===== Flex布局 ===== */
.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-1 {
  flex: 1;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-center {
  align-items: center;
}

.justify-center {
  justify-content: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ===== 文本工具类 ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }
.text-muted { color: var(--color-text-muted); }
.text-secondary { color: var(--color-text-secondary); }
.text-white { color: var(--color-text-inverse); }

.font-bold { font-weight: var(--font-weight-bold); }
.font-semibold { font-weight: var(--font-weight-semibold); }
.font-medium { font-weight: var(--font-weight-medium); }

.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }

/* ===== 间距工具类 ===== */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-5 { margin-top: var(--space-5); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-10 { margin-top: var(--space-10); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-5 { margin-bottom: var(--space-5); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-10 { margin-bottom: var(--space-10); }

.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-5 { padding: var(--space-5); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* ===== 标签 ===== */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  line-height: 1.6;
}

.tag-primary {
  background: var(--color-primary-bg);
  color: var(--color-primary);
}

.tag-success {
  background: var(--color-success-bg);
  color: var(--color-success);
}

.tag-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning-dark);
}

.tag-error {
  background: var(--color-error-bg);
  color: var(--color-error);
}

.tag-info {
  background: var(--color-info-bg);
  color: var(--color-info);
}

.tag-gray {
  background: var(--color-bg-muted);
  color: var(--color-text-tertiary);
}

.tag-orange {
  background: #ffedd5;
  color: #ea580c;
}

/* ===== 提示条 ===== */
.tip {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
}

.tip-success {
  background: var(--color-success-bg);
  border: 1px solid #a7f3d0;
  color: #065f46;
}

.tip-error {
  background: var(--color-error-bg);
  border: 1px solid #fecaca;
  color: #991b1b;
}

.tip-info {
  background: var(--color-primary-bg);
  border: 1px solid #bfdbfe;
  color: #1e40af;
}

.tip-warning {
  background: var(--color-warning-bg);
  border: 1px solid #fde68a;
  color: #92400e;
}

.notice {
  background: var(--color-warning-bg);
  border: 1px solid #fde68a;
  color: #92400e;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  margin: var(--space-5) auto;
  max-width: var(--container-width);
  font-size: var(--font-size-sm);
}

/* ===== 空状态 ===== */
.empty {
  text-align: center;
  color: var(--color-text-muted);
  padding: var(--space-16) var(--space-5);
}

.empty-icon {
  font-size: 64px;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.empty-text {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.empty-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ===== 动画 ===== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

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

@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 scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

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

.animate-fadeIn { animation: fadeIn var(--transition-normal) ease-out; }
.animate-fadeInUp { animation: fadeInUp var(--transition-normal) ease-out; }
.animate-fadeInDown { animation: fadeInDown var(--transition-normal) ease-out; }
.animate-slideInLeft { animation: slideInLeft var(--transition-normal) ease-out; }
.animate-slideInRight { animation: slideInRight var(--transition-normal) ease-out; }
.animate-scaleIn { animation: scaleIn var(--transition-normal) ease-out; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }

/* 延迟动画 */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* ===== 滚动显示动画 ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

/* ===== 分隔线 ===== */
.divider {
  height: 1px;
  background: var(--color-border);
  margin: var(--space-6) 0;
}

.divider-vertical {
  width: 1px;
  background: var(--color-border);
  align-self: stretch;
}

/* ===== 工具类 ===== */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.max-w-full { max-width: 100%; }

.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.select-none { user-select: none; }
.break-all { word-break: break-all; }
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-muted);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
  background: var(--color-border-dark);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-text-muted);
}

/* ===== 选中文字颜色 ===== */
::selection {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}


/* ===== layout.css ===== */
/* ============================================
   语信IDC - 全新设计系统 Layout.css
   导航栏、页脚、整体布局
   ============================================ */

/* ===== 顶部导航栏 ===== */
.topbar {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: all var(--transition-normal);
}

.topbar.scrolled {
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.topbar .container {
  max-width: var(--container-width);
}

.topbar .nav {
  display: flex;
  align-items: center;
  height: var(--nav-height);
  gap: var(--space-6);
}

/* 品牌Logo */
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--color-primary);
  margin-right: var(--space-2);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.brand:hover {
  transform: scale(1.02);
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-extrabold);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.brand-sub {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: var(--font-weight-normal);
  letter-spacing: 1px;
}

/* 导航链接 */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex: 1;
}

.nav-links > a {
  position: relative;
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-links > a:hover {
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.nav-links > a.active {
  color: var(--color-primary);
  background: var(--color-primary-bg);
  font-weight: var(--font-weight-semibold);
}

.nav-links > a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

/* 下拉菜单 */
.nav-dropdown {
  position: relative;
}

.dropdown-trigger {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.dropdown-trigger:hover {
  color: var(--color-primary);
  background: var(--color-primary-bg);
}

.dropdown-arrow {
  font-size: 10px;
  transition: transform var(--transition-fast);
}

.nav-dropdown:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 200px;
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border-light);
  padding: var(--space-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.dropdown-menu a:hover {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  padding-left: var(--space-5);
}

.dropdown-menu .menu-icon {
  font-size: var(--font-size-lg);
  width: 24px;
  text-align: center;
}

/* 导航右侧用户区 */
.nav-user {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.nav-user .btn {
  padding: var(--space-2) var(--space-5);
}

.user-avatar-nav {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 2px solid var(--color-primary-bg);
}

.user-avatar-nav:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-primary);
}

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-card);
  cursor: pointer;
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== 内测活动横幅 ===== */
.beta-banner {
  background: linear-gradient(135deg, #7c3aed 0%, #2563eb 50%, #06b6d4 100%);
  color: #fff;
  padding: var(--space-3) var(--space-5);
  position: relative;
  overflow: hidden;
}

.beta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.beta-banner .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  position: relative;
  z-index: 1;
}

.beta-banner-content {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: 1;
}

.beta-banner-icon {
  font-size: var(--font-size-2xl);
  animation: pulse 2s ease-in-out infinite;
}

.beta-banner-text {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
}

.beta-banner-text strong {
  font-weight: var(--font-weight-bold);
}

.beta-banner-btn {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.beta-banner-btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
}

.beta-banner-close {
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.beta-banner-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* ===== 主内容区 ===== */
.main-content {
  min-height: calc(100vh - var(--nav-height) - 300px);
}

/* ===== 页脚 ===== */
.footer {
  background: var(--gradient-dark);
  color: #94a3b8;
  padding: var(--space-16) 0 var(--space-8);
  margin-top: var(--space-16);
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.footer .container {
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-10);
}

.footer-brand {
  max-width: 320px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.footer-brand-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-lg);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  box-shadow: var(--shadow-primary);
}

.footer-brand-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-extrabold);
  color: #fff;
}

.footer-brand-desc {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-5);
}

.footer-sponsor {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  font-size: var(--font-size-sm);
}

.footer-sponsor-label {
  color: #64748b;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-sponsor a {
  color: #cbd5e1;
  font-weight: var(--font-weight-semibold);
}

.footer-sponsor a:hover {
  color: var(--color-primary-lighter);
}

.footer-col-title {
  color: #fff;
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-5);
  position: relative;
  padding-bottom: var(--space-3);
}

.footer-col-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.footer-col-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-col-links a {
  color: #94a3b8;
  font-size: var(--font-size-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-col-links a::before {
  content: '›';
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  opacity: 0;
  transform: translateX(-5px);
  transition: all var(--transition-fast);
}

.footer-col-links a:hover {
  color: #fff;
  padding-left: var(--space-2);
}

.footer-col-links a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copyright {
  font-size: var(--font-size-sm);
  color: #64748b;
}

.footer-copyright a {
  color: #94a3b8;
}

.footer-copyright a:hover {
  color: #fff;
}

.footer-contact {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--font-size-sm);
  color: #64748b;
}

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-contact-item a {
  color: #94a3b8;
}

.footer-contact-item a:hover {
  color: #fff;
}

/* ===== 回到顶部按钮 ===== */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  cursor: pointer;
  box-shadow: var(--shadow-primary-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition-normal);
  z-index: var(--z-sticky);
  border: none;
}

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

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -10px rgba(37, 99, 235, 0.5);
}

/* ===== 响应式 - 平板 ===== */
@media (max-width: 1024px) {
  .topbar .nav {
    gap: var(--space-4);
  }

  .nav-links {
    gap: 0;
  }

  .nav-links > a {
    padding: var(--space-2) var(--space-3);
    font-size: var(--font-size-base);
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }
}

/* ===== 响应式 - 手机 ===== */
@media (max-width: 768px) {
  :root {
    --nav-height: 60px;
  }

  .topbar .nav {
    height: var(--nav-height);
    gap: var(--space-3);
    flex-wrap: nowrap;
  }

  .nav-toggle {
    display: flex;
  }

  .brand {
    flex: 1;
    margin-right: 0;
  }

  .brand-text {
    display: none;
  }

  .nav-user {
    gap: var(--space-2);
  }

  .nav-user .btn {
    padding: var(--space-1) var(--space-3);
    font-size: var(--font-size-sm);
  }

  .topbar .nav .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    width: 100%;
    flex-direction: column;
    gap: 0;
    background: var(--color-bg-card);
    border-top: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-dropdown);
    padding: var(--space-3);
    align-items: stretch;
  }

  .topbar .nav .nav-links.open {
    display: flex;
  }

  .topbar .nav .nav-links > a {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
  }

  .topbar .nav .nav-links > a.active::after {
    display: none;
  }

  .nav-dropdown {
    width: 100%;
  }

  .dropdown-trigger {
    width: 100%;
    justify-content: space-between;
  }

  .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0 0 0 var(--space-4);
    display: none;
  }

  .nav-dropdown.open .dropdown-menu {
    display: block;
  }

  .beta-banner .container {
    flex-wrap: wrap;
    gap: var(--space-3);
  }

  .beta-banner-content {
    flex-wrap: wrap;
  }

  .beta-banner-text {
    font-size: var(--font-size-sm);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

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

  .footer-contact {
    flex-direction: column;
    gap: var(--space-3);
  }

  .back-to-top {
    bottom: 20px;
    right: 20px;
    width: 42px;
    height: 42px;
  }
}

/* ===== 响应式 - 小屏手机 ===== */
@media (max-width: 480px) {
  .beta-banner-btn {
    width: 100%;
    text-align: center;
  }
}

/* ===== 从layout.html提取的样式 ===== */
/* 鐢ㄦ埛鍚嶄笅鎷夎彍鍗曟牱寮?*/
.user-dropdown {
    position: relative;
    display: inline-block;
}

.user-trigger {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
    color: #374151;
}

.user-trigger:hover {
    background: #f9fafb;
}

.user-name-text {
    font-size: 14px;
    font-weight: 500;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* 涓嬫媺鑿滃崟鏍峰紡 */
.nav-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-trigger {
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    overflow: hidden;
}
.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.dropdown-arrow {
    font-size: 10px;
    transition: transform 0.2s ease;
    color: #9ca3af;
}

.user-dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15), 0 0 0 1px rgba(0,0,0,0.05);
    min-width: 240px;
    z-index: 1000;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: top right;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.more-dropdown .dropdown-menu {
    right: auto;
    left: 0;
    min-width: 172px;
    transform-origin: top left;
}
.product-dropdown .dropdown-menu {
    right: auto;
    left: 0;
    min-width: 264px;
    transform-origin: top left;
    padding: 8px;
}
.product-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px !important;
    border-radius: 10px;
}
.product-item:hover {
    background: #f5f8ff !important;
}
.product-item.active {
    background: #f5f8ff !important;
}
.pi-icon {
    width: 38px;
    height: 38px;
    border-radius: 9px;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.product-item:nth-child(2) .pi-icon {
    background: linear-gradient(135deg, #0d9488, #14b8a6);
}
.pi-body {
    display: flex;
    flex-direction: column;
    line-height: 1.35;
}
.pi-name {
    font-size: 14.5px;
    font-weight: 600;
    color: #111827;
}
.product-item:hover .pi-name {
    color: #2563eb;
}
.pi-desc {
    font-size: 12px;
    color: #9ca3af;
}
.product-trigger {
    padding: 8px 16px;
    color: #4b5563;
    border-radius: 6px;
    font-size: 14.5px;
    white-space: nowrap;
    transition: color .15s;
}
.product-trigger:hover {
    color: #2563eb;
}
.more-trigger {
    padding: 8px 14px;
    color: #4b5563;
    border-radius: 6px;
    font-size: 14px;
    white-space: nowrap;
}
.more-trigger:hover {
    color: #2563eb;
    background: #eff6ff;
}
@media (max-width: 768px) {
    .nav-links .nav-dropdown .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        border-radius: 0;
        background: transparent;
        min-width: 0;
        transform-origin: initial;
        padding: 0 0 0 14px;
    }
    .nav-links .nav-dropdown .dropdown-menu a {
        padding: 10px 14px;
        color: #4b5563;
        border-radius: 6px;
    }
}

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

.dropdown-user-info {
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar-large {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    border: 2px solid rgba(255,255,255,0.3);
    overflow: hidden;
}
.user-avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-details {
    flex: 1;
}

.user-name {
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 2px;
}

.user-role {
    color: rgba(255,255,255,0.8);
    font-size: 12px;
}

.dropdown-divider {
    height: 1px;
    background: #f3f4f6;
    margin: 4px 0;
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    color: #374151;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
}

.menu-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.dropdown-menu a:hover {
    background: linear-gradient(90deg, #eff6ff 0%, #f5f3ff 100%);
    color: #667eea;
    padding-left: 20px;
}

.dropdown-menu a.active {
    background: linear-gradient(90deg, #eff6ff 0%, #f5f3ff 100%);
    color: #667eea;
    font-weight: 500;
}

/* 瀵艰埅鏍忓搷搴斿紡浼樺寲 */
@media (max-width: 1200px) {
    .nav-links a {
        padding: 0 10px;
        font-size: 13px;
    }
}

/* 搴曢儴鏍峰紡浼樺寲锛氱幇浠ｅ鏍忛〉鑴?*/
.footer {
    position: relative;
    background: linear-gradient(180deg, #0f172a 0%, #16233f 60%, #1b2b4f 100%);
    color: #94a3b8;
    padding: 52px 20px 26px;
    margin-top: 48px;
    font-size: 13.5px;
}
.footer-wave {
    position: absolute;
    left: 0; right: 0; top: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2, #f59e0b, #667eea);
    background-size: 300% 100%;
    animation: footerWave 10s linear infinite;
}
@keyframes footerWave {
    0% { background-position: 0% 0; }
    100% { background-position: 300% 0; }
}
.footer .container { max-width: 1200px; margin: 0 auto; }
.footer-main {
    display: flex;
    flex-wrap: wrap;
    gap: 36px 48px;
    padding-bottom: 34px;
}
.footer-brand { flex: 1 1 300px; max-width: 380px; }
.footer-logo {
    font-size: 19px;
    font-weight: 700;
    color: #fff;
    letter-spacing: .5px;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-logo::before {
    content: '';
    width: 8px; height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #f59e0b);
    box-shadow: 0 0 0 4px rgba(102,126,234,.18);
    display: inline-block;
}
.footer-desc {
    font-size: 13px;
    line-height: 1.7;
    color: #7d8ba6;
    margin-bottom: 16px;
}
.footer-sponsor {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.08);
    font-size: 12.5px;
    color: #a5b4cb;
}
.footer-sponsor-icon { font-size: 14px; }
.footer-sponsor a {
    color: #7aa7f7;
    text-decoration: none;
    font-weight: 600;
}
.footer-sponsor a:hover { text-decoration: underline; }
.footer-col { flex: 1 1 130px; min-width: 110px; }
.footer-col-title {
    font-size: 13.5px;
    font-weight: 600;
    color: #e2e8f0;
    margin-bottom: 14px;
    position: relative;
    padding-bottom: 8px;
}
.footer-col-title::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 22px; height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}
.footer-col a {
    display: block;
    color: #7d8ba6;
    text-decoration: none;
    font-size: 13px;
    padding: 4px 0;
    transition: color .2s, transform .2s;
}
.footer-col a:hover {
    color: #fff;
    transform: translateX(3px);
}
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px 16px;
    border-top: 1px solid rgba(255,255,255,.08);
    padding-top: 18px;
}
.footer-copyright { font-size: 12.5px; color: #64748b; }
.footer-icp { font-size: 12px; color: #64748b; display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.footer-icp a { color: #64748b; text-decoration: none; margin: 0 4px; transition: color .2s; }
.footer-icp a:hover { color: #a5b4cb; }
.footer-contact { margin-left: 8px; }
.footer-qq:hover { color: #12b7f5; }
.footer-qq-group:hover { color: #12b7f5; }
.footer-qq-group:hover .qq-qrcode-popup { display: block !important; }
@media (max-width: 768px) {
    .footer { padding: 36px 16px 20px; }
    .footer-main { gap: 26px; }
    .footer-brand { flex-basis: 100%; max-width: none; }
    .footer-col { flex-basis: calc(50% - 14px); }
    .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}



/* ===== components.css ===== */
/* ============================================
   语信IDC - 全新设计系统 Components.css
   通用组件：表单、表格、市场卡片、博客卡片等
   ============================================ */

/* ===== 通用表单 ===== */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.form-label .required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-bg-card);
  transition: all var(--transition-fast);
  box-sizing: border-box;
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-border-dark);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
  line-height: var(--line-height-relaxed);
}

.form-input:disabled,
.form-select:disabled,
.form-textarea:disabled {
  background: var(--color-bg-muted);
  color: var(--color-text-muted);
  cursor: not-allowed;
}

.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-error);
}

.form-input.error:focus,
.form-select.error:focus,
.form-textarea.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-error-text {
  color: var(--color-error);
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
}

.form-help-text {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
  margin-top: var(--space-1);
}

/* 表单行 */
.form-row {
  display: flex;
  gap: var(--space-4);
}

.form-row .form-group {
  flex: 1;
}

/* 复选框和单选框 */
.form-checkbox,
.form-radio {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  user-select: none;
}

.form-checkbox input,
.form-radio input {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

.form-checkbox span,
.form-radio span {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* 开关 */
.form-switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
}

.form-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.form-switch-slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-border-dark);
  transition: var(--transition-fast);
  border-radius: var(--radius-full);
}

.form-switch-slider::before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background-color: white;
  transition: var(--transition-fast);
  border-radius: 50%;
  box-shadow: var(--shadow-sm);
}

.form-switch input:checked + .form-switch-slider {
  background-color: var(--color-primary);
}

.form-switch input:checked + .form-switch-slider::before {
  transform: translateX(22px);
}

/* ===== 通用表格 ===== */
.table-container {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table thead {
  background: var(--color-bg-muted);
}

.table th {
  padding: var(--space-4) var(--space-5);
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.table td {
  padding: var(--space-4) var(--space-5);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border-light);
}

.table tbody tr:last-child td {
  border-bottom: none;
}

.table tbody tr {
  transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
  background: var(--color-bg-muted);
}

.table .actions {
  display: flex;
  gap: var(--space-2);
}

.table .actions .btn {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
}

/* ===== 市场卡片 ===== */
.market-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.market-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-lighter);
}

.market-card-header {
  padding: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-border-light);
}

.market-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-bg-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
}

.market-card-title {
  flex: 1;
  min-width: 0;
}

.market-card-name {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.market-card-developer {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.market-card-type {
  flex-shrink: 0;
}

.market-card-body {
  padding: var(--space-5) var(--space-6);
  flex: 1;
}

.market-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-4);
}

.market-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.market-card-meta-item {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.market-card-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--color-bg-muted);
}

.market-card-price {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.market-card-price.free {
  color: var(--color-success);
}

.market-card-price.paid {
  color: var(--color-error);
}

/* ===== 博客卡片 ===== */
.blog-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--color-primary-lighter);
}

.blog-card-cover {
  width: 100%;
  height: 180px;
  background: var(--gradient-primary);
  position: relative;
  overflow: hidden;
}

.blog-card-cover::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.3) 100%);
}

.blog-card-category {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: 1;
}

.blog-card-body {
  padding: var(--space-6);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-3);
  line-height: var(--line-height-tight);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color var(--transition-fast);
}

.blog-card:hover .blog-card-title {
  color: var(--color-primary);
}

.blog-card-excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: var(--space-4);
  flex: 1;
}

.blog-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
}

.blog-card-author {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.blog-card-author-avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-primary-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.blog-card-date {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

/* ===== 分页 ===== */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-10);
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border-light);
  transition: all var(--transition-fast);
}

.pagination a:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.pagination .current {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--shadow-primary);
}

.pagination .disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.pagination .dots {
  border: none;
  background: transparent;
}

/* ===== Tabs标签页 ===== */
.tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: 0;
}

.tabs a {
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tabs a:hover {
  color: var(--color-primary);
}

.tabs a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  font-weight: var(--font-weight-semibold);
}

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.breadcrumb a {
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

.breadcrumb .separator {
  color: var(--color-text-muted);
}

.breadcrumb .current {
  color: var(--color-text-primary);
  font-weight: var(--font-weight-medium);
}

/* ===== 模态框 ===== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-bg-card);
  border-radius: var(--radius-2xl);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.9) translateY(20px);
  transition: all var(--transition-normal);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

.modal-close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.modal-body {
  padding: var(--space-6);
  max-height: calc(90vh - 140px);
  overflow-y: auto;
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* ===== 徽章/等级 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.badge-vip {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  color: #fff;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.4);
}

.badge-diamond {
  background: linear-gradient(135deg, #06b6d4, #8b5cf6);
  color: #fff;
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.4);
}

.badge-gold {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #fff;
}

.badge-silver {
  background: linear-gradient(135deg, #94a3b8, #64748b);
  color: #fff;
}

.badge-bronze {
  background: linear-gradient(135deg, #d97706, #92400e);
  color: #fff;
}

/* ===== 进度条 ===== */
.progress {
  width: 100%;
  height: 8px;
  background: var(--color-bg-muted);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-bar.success {
  background: var(--color-success);
}

.progress-bar.warning {
  background: var(--color-warning);
}

.progress-bar.error {
  background: var(--color-error);
}

/* ===== 头像 ===== */
.avatar {
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-semibold);
  flex-shrink: 0;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--font-size-xs);
}

.avatar-md {
  width: 40px;
  height: 40px;
  font-size: var(--font-size-sm);
}

.avatar-lg {
  width: 56px;
  height: 56px;
  font-size: var(--font-size-md);
}

.avatar-xl {
  width: 80px;
  height: 80px;
  font-size: var(--font-size-xl);
}

/* ===== 工具类补充 ===== */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.bg-gradient-primary {
  background: var(--gradient-primary);
}

.bg-gradient-accent {
  background: var(--gradient-accent);
}

.bg-gradient-dark {
  background: var(--gradient-dark);
}

.shadow-primary {
  box-shadow: var(--shadow-primary);
}

.rounded-full {
  border-radius: var(--radius-full);
}

/* ===== 内测横幅（从layout.html提取） ===== */
.beta-banner{background:linear-gradient(90deg,#0b1030,#1c2454 55%,#2a1460);color:#fff;position:relative;z-index:90}
.beta-banner-inner{max-width:1200px;margin:0 auto;padding:9px 46px 9px 20px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13.5px;position:relative}
.beta-banner-txt b{color:#fbbf24}
.beta-banner-end{color:rgba(255,255,255,.6);font-size:12.5px;white-space:nowrap}
.beta-banner-btn{display:inline-flex;align-items:center;padding:4px 14px;border-radius:999px;background:linear-gradient(90deg,#4f8cff,#8b5cf6);color:#fff;text-decoration:none;font-size:12.5px;font-weight:700;white-space:nowrap;transition:opacity .2s}
.beta-banner-btn:hover{opacity:.88}
.beta-banner-close{position:absolute;right:14px;top:50%;transform:translateY(-50%);width:22px;height:22px;display:flex;align-items:center;justify-content:center;border-radius:50%;cursor:pointer;color:rgba(255,255,255,.65);font-size:12px;line-height:1;transition:background .2s,color .2s}
.beta-banner-close:hover{background:rgba(255,255,255,.16);color:#fff}
@media(max-width:768px){
.beta-banner-inner{padding:8px 40px 8px 14px;gap:8px;font-size:12.5px}
.beta-banner-end{display:none}
}