/* RianAPI 样式文件 - 夜明科技 */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --primary: #007AFF;
  --secondary: #AF52DE;
  --success: #34C759;
  --warning: #FF9500;
  --danger: #FF3B30;
  --text: #1c1c1e;
  --text-2: #636366;
  --text-3: #8e8e93;
  --bg: #f2f2f7;
  --glass-bg: rgba(255,255,255,0.72);
  --glass-border: rgba(255,255,255,0.5);
}
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
  background-attachment: fixed;
  min-height: 100vh;
  color: var(--text);
  overflow-x: hidden;
}
#particleCanvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 20px; position: relative; z-index: 1; }

/* 加载动画 */
.loader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg); display: flex; flex-direction: column; align-items: center; justify-content: center; z-index: 9999; transition: opacity 0.5s; }
.loader.hidden { opacity: 0; pointer-events: none; }
.loader-ring { width: 50px; height: 50px; border: 3px solid #e0e0e0; border-top-color: var(--primary); border-radius: 50%; animation: spin 1s linear infinite; }
.loader p { margin-top: 16px; color: var(--text-2); font-size: 14px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* 玻璃效果 */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

/* 头部 */
.header { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; margin-bottom: 40px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: 12px; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 22px; font-weight: 900; }
.logo-text h1 { font-size: 20px; font-weight: 800; }
.logo-text span { font-size: 11px; color: var(--text-3); }
.nav { display: flex; align-items: center; gap: 24px; }
.nav a { color: var(--text-2); text-decoration: none; font-size: 14px; font-weight: 500; transition: color 0.3s; }
.nav a:hover { color: var(--primary); }
.btn-login, .btn-user { padding: 8px 20px; border-radius: 100px; border: none; background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; font-weight: 600; cursor: pointer; font-size: 13px; }

/* Hero */
.hero { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; margin-bottom: 80px; }
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 14px; background: rgba(0,122,255,0.1); border-radius: 100px; font-size: 12px; color: var(--primary); font-weight: 600; margin-bottom: 20px; }
.hero h1 { font-size: 48px; font-weight: 900; line-height: 1.2; margin-bottom: 16px; }
.gradient-text { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-desc { color: var(--text-2); font-size: 16px; line-height: 1.7; margin-bottom: 28px; }
.hero-buttons { display: flex; gap: 12px; margin-bottom: 36px; }
.btn { padding: 12px 28px; border-radius: 12px; border: none; font-weight: 600; cursor: pointer; font-size: 14px; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; transition: all 0.3s; }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,122,255,0.3); }
.btn-secondary { background: rgba(255,255,255,0.8); color: var(--text); border: 1px solid rgba(0,0,0,0.1); }
.btn-block { width: 100%; }
.btn-sm { padding: 6px 14px; font-size: 12px; }
.hero-stats { display: flex; gap: 32px; }
.stat { display: flex; flex-direction: column; }
.stat-num { font-size: 28px; font-weight: 800; color: var(--primary); }
.stat-label { font-size: 12px; color: var(--text-3); }

/* 终端 */
.hero-terminal { overflow: hidden; }
.terminal-header { display: flex; align-items: center; gap: 8px; padding: 12px 16px; background: rgba(0,0,0,0.05); border-bottom: 1px solid rgba(0,0,0,0.05); }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #FF5F57; } .dot.yellow { background: #FEBC2E; } .dot.green { background: #28C840; }
.terminal-title { margin-left: 12px; font-size: 12px; color: var(--text-3); font-family: monospace; }
.terminal-body { padding: 16px; font-family: 'SF Mono', Monaco, monospace; font-size: 13px; line-height: 1.8; }
.t-method { color: var(--primary); font-weight: 600; }
.t-ok { color: var(--success); } .t-time { color: var(--text-3); }
.t-key { color: var(--secondary); } .t-str { color: var(--warning); } .t-num { color: var(--danger); }

/* Section */
.section { margin-bottom: 80px; }
.section-header { text-align: center; margin-bottom: 40px; }
.section-label { display: inline-block; padding: 4px 12px; background: rgba(0,122,255,0.1); color: var(--primary); border-radius: 100px; font-size: 12px; font-weight: 600; margin-bottom: 12px; }
.section-header h2 { font-size: 36px; font-weight: 800; margin-bottom: 12px; }
.section-header p { color: var(--text-2); font-size: 15px; max-width: 600px; margin: 0 auto; }

/* API网格 */
.api-filters { display: flex; justify-content: center; gap: 8px; margin-bottom: 28px; flex-wrap: wrap; }
.filter-btn { padding: 8px 18px; border-radius: 100px; border: 1px solid rgba(0,0,0,0.1); background: rgba(255,255,255,0.6); cursor: pointer; font-size: 13px; font-weight: 500; transition: all 0.3s; }
.filter-btn.active { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; border-color: transparent; }
.api-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.api-card { padding: 20px; transition: all 0.3s; cursor: pointer; }
.api-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.15); }
.api-card .api-method { display: inline-block; padding: 2px 8px; border-radius: 6px; font-size: 11px; font-weight: 700; margin-bottom: 8px; }
.api-method.GET { background: rgba(52,199,89,0.15); color: var(--success); }
.api-method.POST { background: rgba(0,122,255,0.15); color: var(--primary); }
.api-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.api-card p { font-size: 12px; color: var(--text-3); font-family: monospace; }

/* 工具箱 */
.tool-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; justify-content: center; }
.tool-tab { padding: 8px 18px; border-radius: 100px; border: 1px solid rgba(0,0,0,0.1); background: rgba(255,255,255,0.6); cursor: pointer; font-size: 13px; font-weight: 500; }
.tool-tab.active { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; border-color: transparent; }
.tool-panel { padding: 24px; }
.tool-panel textarea { width: 100%; height: 100px; padding: 12px; border-radius: 12px; border: 1px solid rgba(0,0,0,0.1); font-family: monospace; font-size: 13px; resize: vertical; background: rgba(255,255,255,0.8); }
.tool-actions { display: flex; gap: 10px; margin: 12px 0; }
.tool-panel pre, .tool-panel > div { background: rgba(0,0,0,0.05); padding: 12px; border-radius: 12px; font-size: 13px; min-height: 40px; word-break: break-all; white-space: pre-wrap; }
.ts-display { font-size: 18px; margin-bottom: 12px; }
.ts-display span { color: var(--primary); font-family: monospace; font-weight: 700; }
.ts-input { display: flex; gap: 10px; margin-bottom: 12px; }
.ts-input input { flex: 1; padding: 10px; border-radius: 10px; border: 1px solid rgba(0,0,0,0.1); }
.pwd-options { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 16px; align-items: center; }
.pwd-options input[type=number] { width: 60px; padding: 6px; border-radius: 8px; border: 1px solid rgba(0,0,0,0.1); }

/* 测试器 */
.tester-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.tester-left, .tester-right { padding: 24px; }
.tester-left h3, .tester-right h3 { font-size: 16px; margin-bottom: 16px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; color: var(--text-2); margin-bottom: 6px; font-weight: 500; }
.form-group input, .form-group select { width: 100%; padding: 10px 14px; border-radius: 10px; border: 1px solid rgba(0,0,0,0.1); font-size: 14px; background: rgba(255,255,255,0.8); }
#testResult, #codeBlock { background: rgba(0,0,0,0.05); padding: 16px; border-radius: 12px; font-size: 13px; font-family: monospace; min-height: 200px; overflow: auto; white-space: pre-wrap; word-break: break-all; }

/* 文档 */
.doc-card { padding: 28px; }
.doc-card h3 { font-size: 16px; margin: 16px 0 10px; }
.code-block { background: #1c1c1e; color: #fff; padding: 14px 18px; border-radius: 12px; font-family: monospace; font-size: 13px; overflow-x: auto; }
.code-tabs { display: flex; gap: 6px; margin: 12px 0; }
.code-tab { padding: 6px 14px; border-radius: 8px; border: none; background: rgba(0,0,0,0.05); cursor: pointer; font-size: 12px; }
.code-tab.active { background: var(--primary); color: #fff; }

/* 个人中心 */
.profile-card { padding: 32px; text-align: center; max-width: 500px; margin: 0 auto; }
.profile-avatar { width: 70px; height: 70px; margin: 0 auto 16px; background: linear-gradient(135deg, var(--primary), var(--secondary)); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #fff; font-size: 28px; font-weight: 800; }
.profile-card h3 { font-size: 18px; margin-bottom: 20px; }
.profile-stats { display: flex; justify-content: center; gap: 32px; margin-bottom: 24px; }
.p-stat { display: flex; flex-direction: column; }
.p-stat span { font-size: 22px; font-weight: 800; color: var(--primary); }
.p-stat label { font-size: 11px; color: var(--text-3); }
.profile-actions { display: flex; gap: 10px; justify-content: center; margin-bottom: 20px; }
.api-key-box { text-align: left; }
.api-key-box label { font-size: 13px; color: var(--text-2); display: block; margin-bottom: 6px; }
.key-row { display: flex; gap: 8px; }
.key-row code { flex: 1; padding: 10px; background: rgba(0,0,0,0.05); border-radius: 8px; font-size: 12px; word-break: break-all; }
.profile-empty { padding: 48px; text-align: center; max-width: 400px; margin: 0 auto; }
.empty-icon { font-size: 48px; margin-bottom: 16px; }
.profile-empty h3 { margin-bottom: 8px; }
.profile-empty p { color: var(--text-3); font-size: 14px; margin-bottom: 20px; }

/* 页脚 */
.footer { text-align: center; padding: 40px 0; color: rgba(255,255,255,0.7); font-size: 13px; }
.footer a { color: rgba(255,255,255,0.9); }

/* 登录弹窗 */
.auth-modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); backdrop-filter: blur(8px); display: none; align-items: center; justify-content: center; z-index: 1000; }
.auth-modal.show { display: flex; }
.auth-box { width: 380px; padding: 32px; position: relative; }
.auth-close { position: absolute; top: 16px; right: 16px; background: none; border: none; font-size: 24px; cursor: pointer; color: var(--text-3); }
.auth-tabs { display: flex; gap: 8px; margin-bottom: 20px; }
.auth-tab { flex: 1; padding: 10px; border-radius: 10px; border: none; background: rgba(0,0,0,0.05); cursor: pointer; font-weight: 600; }
.auth-tab.active { background: linear-gradient(135deg, var(--primary), var(--secondary)); color: #fff; }
.auth-box input { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid rgba(0,0,0,0.1); margin-bottom: 12px; font-size: 14px; }
.code-row { display: flex; gap: 8px; }
.code-row input { flex: 1; }
.code-row button { padding: 0 14px; border-radius: 10px; border: none; background: var(--primary); color: #fff; cursor: pointer; font-size: 12px; white-space: nowrap; }
.auth-tip { text-align: center; font-size: 12px; color: var(--text-3); margin-top: 10px; }

/* 响应式 - 平板 */
@media (max-width: 1024px) {
  .container { padding: 16px; }
  .hero { gap: 24px; }
  .hero h1 { font-size: 38px; }
  .api-grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .section-header h2 { font-size: 30px; }
}
/* 响应式 - 手机 */
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; gap: 24px; margin-bottom: 50px; }
  .hero h1 { font-size: 28px; }
  .hero-desc { font-size: 14px; }
  .hero-stats { gap: 16px; flex-wrap: wrap; }
  .stat-num { font-size: 22px; }
  .tester-panel { grid-template-columns: 1fr; }
  .nav { display: none; }
  .section-header h2 { font-size: 24px; }
  .section { margin-bottom: 50px; }
  .api-grid { grid-template-columns: 1fr; gap: 12px; }
  .api-card { padding: 16px; }
  .profile-stats { gap: 16px; }
  .auth-box { width: 90%; padding: 24px; }
  .header { margin-bottom: 24px; padding-bottom: 70px; }
  .back-to-top { right: 16px; bottom: 80px; }
  .tool-panel { padding: 16px; }
  .doc-card { padding: 20px; }
}
/* 响应式 - 小屏手机 */
@media (max-width: 480px) {
  .hero h1 { font-size: 24px; }
  .hero-buttons { flex-direction: column; }
  .btn { width: 100%; }
  .api-filters { gap: 6px; }
  .filter-btn { padding: 6px 12px; font-size: 12px; }
  .section-header h2 { font-size: 20px; }
}

/* 展开/收起功能 */
.api-grid-wrapper { position: relative; }
.api-grid.collapsed { max-height: 520px; overflow: hidden; }
.api-grid.collapsed::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, rgba(102,126,234,0.8));
  pointer-events: none;
  border-radius: 0 0 20px 20px;
}
.toggle-btn {
  display: block;
  margin: 20px auto 0;
  padding: 12px 32px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.3s;
}
.toggle-btn:hover {
  background: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}
.toggle-btn .arrow {
  display: inline-block;
  margin-left: 6px;
  transition: transform 0.3s;
}
.toggle-btn.expanded .arrow { transform: rotate(180deg); }

/* 回到顶部按钮 */
.back-to-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,122,255,0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s;
  z-index: 100;
}
.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,122,255,0.5);
}

/* 底部导航栏（手机端） */
.bottom-nav {
  display: flex !important;
  position: fixed;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 600px;
  background: rgba(255,255,255,0.72);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 24px;
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom));
  z-index: 99999 !important;
  justify-content: space-around;
  align-items: center;
  box-shadow: 0 8px 32px rgba(0,0,0,0.12), 0 2px 8px rgba(0,0,0,0.08), inset 0 1px 0 rgba(255,255,255,0.8);
}
.bottom-nav::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(255,255,255,0.4) 0%, transparent 50%, rgba(255,255,255,0.1) 100%);
  pointer-events: none;
}
.bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 10px;
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  color: var(--text-3);
  text-decoration: none;
  position: relative;
  z-index: 1;
  -webkit-tap-highlight-color: transparent;
}
.bottom-nav-item .icon {
  font-size: 22px;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: flex;
  align-items: center;
  justify-content: center;
}
.bottom-nav-item .icon svg {
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.bottom-nav-item .label {
  font-size: 10px;
  font-weight: 600;
  transition: all 0.3s;
  opacity: 0.7;
}
.bottom-nav-item.active {
  color: var(--primary);
  background: rgba(0,122,255,0.12);
}
.bottom-nav-item.active .icon {
  transform: translateY(-2px) scale(1.15);
}
.bottom-nav-item.active .icon svg {
  stroke-width: 2.5;
}
.bottom-nav-item.active .label {
  opacity: 1;
  font-weight: 700;
}
.bottom-nav-item:active {
  transform: scale(0.88);
}
.bottom-nav-item:hover {
  background: rgba(0,122,255,0.06);
  color: var(--primary);
}
.bottom-nav-item:hover .icon {
  transform: translateY(-2px) scale(1.1);
}
/* 长按放大变清晰效果 */
.bottom-nav-item.pressing {
  transform: scale(1.2);
  background: rgba(0,122,255,0.18);
  backdrop-filter: blur(8px);
}
.bottom-nav-item.pressing .icon {
  transform: scale(1.3);
}
.bottom-nav-item.pressing .icon svg {
  stroke-width: 2.8;
  filter: drop-shadow(0 2px 4px rgba(0,122,255,0.3));
}
.bottom-nav-item.pressing .label {
  opacity: 1;
  font-weight: 700;
  transform: scale(1.1);
}

/* 页面底部留出导航栏空间 */
body {
  padding-bottom: 100px;
}

/* 滚动进度条 */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  z-index: 9999;
  transition: width 0.1s;
}

/* 卡片入场动画 */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in {
  animation: fadeInUp 0.6s ease forwards;
  opacity: 0;
}

/* 数字滚动动画 */
.stat-num, .p-stat span {
  display: inline-block;
}

/* 悬停发光效果 */
.glow-hover {
  transition: all 0.3s;
}
.glow-hover:hover {
  box-shadow: 0 0 30px rgba(0,122,255,0.3);
}

/* 骨架屏加载 */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.3) 25%, rgba(255,255,255,0.6) 50%, rgba(255,255,255,0.3) 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s infinite;
  border-radius: 8px;
}
@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* 工具提示 */
.tooltip {
  position: relative;
}
.tooltip::after {
  content: attr(data-tip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding: 6px 12px;
  background: rgba(0,0,0,0.8);
  color: #fff;
  font-size: 12px;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s;
  pointer-events: none;
}
.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
  bottom: calc(100% + 8px);
}

/* 复制成功提示 */
.copy-toast {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(-100px);
  padding: 12px 24px;
  background: rgba(52,199,89,0.95);
  color: #fff;
  border-radius: 12px;
  font-weight: 600;
  font-size: 14px;
  z-index: 10000;
  transition: transform 0.3s;
  backdrop-filter: blur(10px);
}
.copy-toast.show {
  transform: translateX(-50%) translateY(0);
}

/* ========== iOS 液态玻璃增强 ========== */
.liquid-glass {
  background: rgba(255,255,255,0.65);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid rgba(255,255,255,0.6);
  border-radius: 24px;
  box-shadow: 
    0 8px 32px rgba(0,0,0,0.08),
    inset 0 1px 0 rgba(255,255,255,0.8),
    inset 0 -1px 0 rgba(0,0,0,0.05);
  position: relative;
  overflow: hidden;
}
.liquid-glass::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 50%;
  background: linear-gradient(180deg, rgba(255,255,255,0.4) 0%, transparent 100%);
  pointer-events: none;
  border-radius: 24px 24px 0 0;
}
.liquid-glass:hover {
  background: rgba(255,255,255,0.75);
  box-shadow: 
    0 12px 48px rgba(0,0,0,0.12),
    inset 0 1px 0 rgba(255,255,255,0.9),
    inset 0 -1px 0 rgba(0,0,0,0.05);
  transform: translateY(-2px);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* iOS 风格按钮 */
.ios-btn {
  padding: 12px 24px;
  border-radius: 14px;
  border: none;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 4px 14px rgba(0,122,255,0.3);
}
.ios-btn:hover { transform: scale(1.02); box-shadow: 0 6px 20px rgba(0,122,255,0.4); }
.ios-btn:active { transform: scale(0.98); }

/* 试用徽章 */
.trial-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  background: linear-gradient(135deg, #34C759, #30D158);
  color: #fff;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.trial-badge::before {
  content: '▶';
  font-size: 8px;
}

/* 接口卡片增强 */
.api-card {
  position: relative;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.api-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(0,122,255,0.08), rgba(175,82,222,0.08));
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}
.api-card:hover::after { opacity: 1; }
.api-card .cost-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 2px 8px;
  background: rgba(255,149,0,0.15);
  color: var(--warning);
  border-radius: 8px;
  font-size: 10px;
  font-weight: 700;
}
.api-card .cost-tag.free {
  background: rgba(52,199,89,0.15);
  color: var(--success);
}

/* 快速试用面板 */
.quick-trial {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.quick-trial-item {
  padding: 14px;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.5);
  cursor: pointer;
  transition: all 0.2s;
  text-align: center;
}
.quick-trial-item:hover {
  background: rgba(255,255,255,0.9);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}
.quick-trial-item .icon { font-size: 24px; margin-bottom: 6px; }
.quick-trial-item .name { font-size: 13px; font-weight: 600; }
.quick-trial-item .desc { font-size: 11px; color: var(--text-3); margin-top: 2px; }

/* 状态指示器 */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  animation: pulse 2s infinite;
}
.status-dot.online { background: var(--success); }
.status-dot.offline { background: var(--danger); }
.status-dot.loading { background: var(--warning); }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* 接口状态监控条 */
.status-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 20px;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  margin-bottom: 20px;
  font-size: 13px;
}
.status-bar .stat-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* 浮动操作按钮 */
.fab {
  position: fixed;
  right: 24px;
  bottom: 90px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border: none;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0,122,255,0.4);
  z-index: 99;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.fab:hover { transform: scale(1.1) rotate(90deg); }

/* 搜索框 */
.search-box {
  position: relative;
  margin-bottom: 20px;
}
.search-box input {
  width: 100%;
  padding: 14px 20px 14px 48px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(10px);
  font-size: 15px;
  outline: none;
  transition: all 0.3s;
}
.search-box input:focus {
  background: rgba(255,255,255,0.9);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.2);
}
.search-box .icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  opacity: 0.5;
}

/* 标签页增强 */
.tab-bar {
  display: flex;
  gap: 4px;
  padding: 4px;
  background: rgba(0,0,0,0.05);
  border-radius: 12px;
  margin-bottom: 16px;
}
.tab-item {
  flex: 1;
  padding: 10px;
  text-align: center;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.2s;
  color: var(--text-2);
}
.tab-item.active {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* 响应式增强 */
@media (max-width: 768px) {
  .quick-trial { grid-template-columns: repeat(2, 1fr); }
  .status-bar { flex-wrap: wrap; gap: 8px; font-size: 12px; }
  .fab { right: 16px; bottom: 80px; width: 48px; height: 48px; font-size: 20px; }
}

/* ========== iOS风格增强 ========== */
/* 接口参数标签 */
.api-params {
  margin-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.param-tag {
  display: inline-block;
  padding: 2px 8px;
  background: rgba(0,122,255,0.1);
  color: var(--primary);
  border-radius: 6px;
  font-size: 10px;
  font-family: monospace;
  font-weight: 600;
}

/* iOS风格搜索框 */
.api-search-box {
  max-width: 500px;
  margin: 0 auto 20px;
  position: relative;
}
.api-search-box input {
  width: 100%;
  padding: 12px 16px 12px 40px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.7);
  backdrop-filter: blur(10px);
  font-size: 14px;
  outline: none;
  transition: all 0.3s;
}
.api-search-box input:focus {
  background: rgba(255,255,255,0.9);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.2);
}
.api-search-box::before {
  content: '🔍';
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
}

/* iOS风格状态栏 */
.status-bar {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.status-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(10px);
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-2);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* 快速试用卡片 */
.quick-trial {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 20px;
}
.trial-card {
  padding: 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
}
.trial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}
.trial-card .trial-icon {
  font-size: 28px;
  margin-bottom: 8px;
}
.trial-card h4 {
  font-size: 14px;
  margin-bottom: 4px;
}
.trial-card p {
  font-size: 11px;
  color: var(--text-3);
}

/* 悬浮按钮 */
.fab {
  position: fixed;
  right: 24px;
  bottom: 100px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  border: none;
  font-size: 24px;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(0,122,255,0.4);
  z-index: 100;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 30px rgba(0,122,255,0.5);
}

/* iOS风格分段控件 */
.segmented-control {
  display: flex;
  background: rgba(120,120,128,0.12);
  border-radius: 10px;
  padding: 2px;
  margin-bottom: 16px;
}
.segmented-control button {
  flex: 1;
  padding: 8px 12px;
  border: none;
  background: transparent;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  color: var(--text-2);
}
.segmented-control button.active {
  background: #fff;
  color: var(--text);
  box-shadow: 0 3px 8px rgba(0,0,0,0.1);
}

/* 试用按钮 */
.btn-trial {
  background: rgba(52,199,89,0.15);
  color: var(--success);
  border: 1px solid rgba(52,199,89,0.3);
}
.btn-trial:hover {
  background: rgba(52,199,89,0.25);
}

/* ========== 试用中心 ========== */
.trial-center {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 20px;
}
.trial-info {
  padding: 24px;
}
.trial-info h3 {
  font-size: 18px;
  margin-bottom: 16px;
}
.trial-count {
  font-size: 48px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.trial-count-label {
  font-size: 14px;
  color: var(--text-3);
  margin-bottom: 16px;
}
.trial-progress {
  height: 8px;
  background: rgba(0,0,0,0.1);
  border-radius: 4px;
  overflow: hidden;
}
.trial-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 4px;
  transition: width 0.5s;
}
.trial-tips {
  padding: 16px;
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.8;
}
.trial-tips li {
  margin-bottom: 6px;
}

/* ========== 收藏/历史/排行榜 ========== */
.fav-item, .history-item, .rank-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.2s;
}
.fav-item:hover, .history-item:hover, .rank-item:hover {
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.fav-name, .history-name, .rank-name {
  flex: 1;
  font-weight: 600;
  font-size: 14px;
}
.fav-key {
  font-size: 12px;
  color: var(--text-3);
  font-family: monospace;
  margin-right: 8px;
}
.fav-remove {
  width: 24px;
  height: 24px;
  border: none;
  background: rgba(255,59,48,0.1);
  color: #FF3B30;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
}
.history-time {
  font-size: 12px;
  color: var(--text-3);
}
.rank-num {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0,0,0,0.05);
  font-weight: 700;
  font-size: 13px;
  margin-right: 12px;
}
.rank-num.top1 { background: linear-gradient(135deg, #FFD700, #FFA500); color: #fff; }
.rank-num.top2 { background: linear-gradient(135deg, #C0C0C0, #A8A8A8); color: #fff; }
.rank-num.top3 { background: linear-gradient(135deg, #CD7F32, #B87333); color: #fff; }
.rank-calls {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
}

/* ========== 公告系统 ========== */
.announcement-item {
  padding: 16px;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}
.announcement-item:last-child { border-bottom: none; }
.announcement-header {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 8px;
}
.announcement-date {
  font-size: 12px;
  color: var(--primary);
  font-weight: 600;
  background: rgba(0,122,255,0.1);
  padding: 2px 8px;
  border-radius: 4px;
}
.announcement-title {
  font-weight: 600;
  font-size: 14px;
}
.announcement-content {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
}

/* ========== 功能网格 ========== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 20px;
}
.feature-card {
  padding: 20px;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}
.feature-icon {
  font-size: 32px;
  margin-bottom: 12px;
}
.feature-card h4 {
  font-size: 15px;
  margin-bottom: 6px;
}
.feature-card p {
  font-size: 12px;
  color: var(--text-3);
}

.btn-clear {
  background: rgba(255,59,48,0.1);
  color: #FF3B30;
  border: 1px solid rgba(255,59,48,0.2);
  padding: 6px 16px;
  border-radius: 8px;
  font-size: 12px;
  cursor: pointer;
  margin-bottom: 12px;
}
.btn-clear:hover { background: rgba(255,59,48,0.2); }

@media (max-width: 768px) {
  .trial-center, .feature-grid { grid-template-columns: 1fr; }
  .three-col-grid { grid-template-columns: 1fr !important; }
}