/* ========== Reset & 全局 ========== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* 页面加载淡入动画 */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 卡片淡入动画 */
@keyframes cardFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 文字闪烁动画 */
@keyframes textShimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

/* 输入框焦点光晕动画 */
@keyframes inputGlow {
  0%, 100% {
    box-shadow: 
      0 0 0 0 color-mix(in srgb, var(--brand-indigo) 40%, transparent),
      0 0 0 0 color-mix(in srgb, var(--brand-violet) 30%, transparent);
  }
  50% {
    box-shadow: 
      0 0 20px color-mix(in srgb, var(--brand-indigo) 60%, transparent),
      0 0 40px color-mix(in srgb, var(--brand-violet) 40%, transparent);
  }
}

/* 按钮点击波纹效果 */
@keyframes ripple {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

/* 微妙的呼吸动画 */
@keyframes breathe {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.02);
    opacity: 0.95;
  }
}

/* 数字变化时的缩放动画（无旋转） */
@keyframes numberChange {
  0% {
    transform: scale(1);
    opacity: 1;
  }
  25% {
    transform: scale(1.15);
    opacity: 0.7;
  }
  50% {
    transform: scale(1.2);
    opacity: 0.5;
  }
  75% {
    transform: scale(1.15);
    opacity: 0.7;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

/* 数字脉冲动画 */
@keyframes numberPulse {
  0%, 100% {
    transform: scale(1);
    filter: brightness(1);
  }
  50% {
    transform: scale(1.05);
    filter: brightness(1.3);
  }
}

/* 数字闪烁动画 */
@keyframes numberFlash {
  0%, 100% {
    opacity: 1;
    text-shadow: 
      0 2px 10px color-mix(in srgb, var(--brand-indigo) calc(0.55 * 100%), transparent),
      0 1px 5px color-mix(in srgb, var(--brand-violet) calc(0.45 * 100%), transparent),
      0 0 30px color-mix(in srgb, var(--brand-violet) calc(0.35 * 100%), transparent),
      0 0 45px color-mix(in srgb, var(--brand-indigo) calc(0.18 * 100%), transparent);
  }
  50% {
    opacity: 0.8;
    text-shadow: 
      0 4px 20px color-mix(in srgb, var(--brand-indigo) calc(0.75 * 100%), transparent),
      0 2px 10px color-mix(in srgb, var(--brand-violet) calc(0.65 * 100%), transparent),
      0 0 50px color-mix(in srgb, var(--brand-violet) calc(0.55 * 100%), transparent),
      0 0 70px color-mix(in srgb, var(--brand-indigo) calc(0.35 * 100%), transparent);
  }
}

/* 数字字符逐个显示动画 */
@keyframes numberReveal {
  0% {
    opacity: 0;
    transform: translateY(20px) scale(0.8);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ========== 设计系统：字体、间距、圆角 ========== */
:root {
  /* Ink Signal — 墨青精工 */
  --brand-indigo: #0F766E;
  --brand-violet: #0E7490;
  --brand-cyan: #22D3EE;
  --brand-emerald: #14B8A6;
  --brand-amber: #D97706;
  --brand-rose: #E11D48;
  --brand-slate: #64748B;
  --brand-primary: #0D9488;
  --brand-live-teal: #0D9488;
  --brand-live-cyan: #06B6D4;

  /* 玻璃质感令牌 */
  --glass-blur: 24px;
  --glass-blur-heavy: 40px;
  --glass-saturate: 1.35;
  --glass-highlight: rgba(255, 255, 255, 0.22);
  --glass-edge: rgba(255, 255, 255, 0.3);

  /* 语义色（兼容旧变量名） */
  --google-blue: var(--brand-live-teal);
  --google-red: var(--brand-rose);
  --google-yellow: var(--brand-amber);
  --google-green: var(--brand-emerald);
  --google-blue-dark: #0F766E;
  --google-red-dark: #E11D48;
  --google-green-dark: #0D9488;
  --google-yellow-dark: #D97706;

  --brand-gradient: linear-gradient(135deg, #0F766E 0%, #0D9488 52%, #06B6D4 100%);
  --brand-gradient-nav: linear-gradient(90deg, #0F766E 0%, #0D9488 55%, #0891B2 100%);
  --brand-gradient-soft: linear-gradient(135deg, rgba(91, 108, 255, 0.12), rgba(122, 92, 255, 0.08), rgba(103, 232, 249, 0.08));
  --google-gradient: var(--brand-gradient-nav);
  --google-gradient-soft: var(--brand-gradient-soft);

  /* 字体大小系统 - 专业规范 */
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  --font-size-2xl: 22px;
  --font-size-3xl: 24px;
  
  /* 行高系统 - 专业易读 */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.6;
  --line-height-loose: 1.8;
  
  /* 字间距系统 - 专业规范 */
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: -0.01em;
  --letter-spacing-wide: 0.01em;
  --letter-spacing-wider: 0.02em;
  
  /* 间距系统 - 8px基准，专业规范 */
  --spacing-1: 4px;
  --spacing-2: 8px;
  --spacing-3: 12px;
  --spacing-4: 16px;
  --spacing-5: 20px;
  --spacing-6: 24px;
  --spacing-8: 32px;
  --spacing-10: 40px;
  --spacing-12: 48px;
  --spacing-16: 64px;
  
  /* 圆角系统 - 专业统一 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-3xl: 20px;
  --radius-full: 999px;

  /* 各菜单页主卡片统一尺寸 */
  --page-card-max-width: 720px;
  --page-card-min-height: 0;
  --page-card-padding-y: 28px;
  --page-card-padding-x: 32px;
}

/* 全局字体设置 - 统一使用 Outfit 和 DM Sans */
* {
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: var(--letter-spacing-tight);
  line-height: var(--line-height-tight);
}

p, span, div, a, button, input, textarea, select, label, li, td, th {
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  line-height: var(--line-height-normal);
}

/* 代码和等宽文本使用等宽字体 */
code, pre, .code-display, .hash-value, .code-digits, .info-value {
  font-family: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
}

/* ========== CSS 变量 - 暗色主题（Frost Sky 玻璃） ========== */
:root,
[data-theme="dark"],
.theme-dark {
  --bg-primary: #070B16;
  --bg-secondary: #0B1020;
  --bg-tertiary: #10182C;
  --bg-quaternary: #141E34;
  --bg-quinary: #18243C;
  --bg-senary: #1C2A44;
  --bg-septenary: #20304C;

  --glass-surface: rgba(14, 20, 42, 0.38);
  --glass-surface-2: rgba(18, 26, 52, 0.32);
  --glass-border: rgba(255, 255, 255, 0.12);
  --glass-border-bright: rgba(103, 232, 249, 0.28);
  
  --card-bg-1: rgba(16, 24, 48, 0.36);
  --card-bg-2: rgba(20, 28, 56, 0.30);
  --card-bg-3: rgba(24, 34, 64, 0.24);
  --card-bg-4: rgba(28, 40, 72, 0.20);
  
  --nav-bg-1: rgba(8, 12, 28, 0.42);
  --nav-bg-2: rgba(14, 20, 42, 0.36);
  --nav-bg-3: rgba(18, 26, 50, 0.30);
  
  --accent-primary: #8B97FF;
  --accent-secondary: #67E8F9;
  --accent-tertiary: #0D9488;
  --accent-danger: #FB7185;
  
  --text-primary: #F1F5F9;
  --text-secondary: #94A3B8;
  --text-tertiary: #64748B;
  
  --shadow-1: rgba(0, 0, 0, 0.48);
  --shadow-2: rgba(0, 0, 0, 0.34);
  --shadow-3: rgba(99, 102, 241, 0.16);
  --shadow-4: rgba(0, 0, 0, 0.20);
  
  --border-primary: rgba(139, 151, 255, 0.28);
  --border-secondary: rgba(103, 232, 249, 0.18);
  --border-tertiary: rgba(255, 255, 255, 0.06);

  /* 语义别名（子页面复用） */
  --accent-blue: var(--accent-primary);
  --accent-green: var(--accent-secondary);
  --accent-yellow: var(--accent-tertiary);
  --accent-red: var(--accent-danger);
  --accent-purple: var(--google-red);
  --border-color: var(--border-primary);
  --card-bg: var(--card-bg-1);
  --card-shadow: var(--shadow-2);
}

/* ========== CSS 变量 - 亮色主题（2Live Daylight，与 design-tokens 同步） ========== */
[data-theme="light"],
.theme-light {
  --bg-primary: #E8F0FF;
  --bg-secondary: #E2EBFF;
  --bg-tertiary: #D7E4FF;
  --bg-quaternary: #CDDCFF;
  --bg-quinary: #F2F6FF;
  --bg-senary: #EAF0FF;
  --bg-septenary: #E2EAFF;

  --glass-surface: color-mix(in srgb, var(--brand-live-cyan) 8%, rgba(255, 255, 255, 0.38));
  --glass-surface-2: color-mix(in srgb, var(--brand-indigo) 8%, rgba(255, 255, 255, 0.32));
  --glass-border: color-mix(in srgb, var(--brand-indigo) 18%, rgba(255, 255, 255, 0.45));
  --glass-border-bright: color-mix(in srgb, var(--brand-cyan) 28%, rgba(255, 255, 255, 0.4));
  --glass-highlight: rgba(255, 255, 255, 0.62);
  
  --card-bg-1: color-mix(in srgb, var(--brand-live-cyan) 10%, rgba(255, 255, 255, 0.36));
  --card-bg-2: color-mix(in srgb, var(--brand-indigo) 8%, rgba(255, 255, 255, 0.30));
  --card-bg-3: color-mix(in srgb, var(--brand-violet) 7%, rgba(255, 255, 255, 0.26));
  --card-bg-4: color-mix(in srgb, var(--brand-cyan) 6%, rgba(255, 255, 255, 0.22));
  
  --nav-bg-1: color-mix(in srgb, var(--brand-indigo) 8%, rgba(255, 255, 255, 0.40));
  --nav-bg-2: color-mix(in srgb, var(--brand-cyan) 8%, rgba(255, 255, 255, 0.34));
  --nav-bg-3: color-mix(in srgb, var(--brand-violet) 6%, rgba(255, 255, 255, 0.28));
  --nav-bg-4: color-mix(in srgb, var(--brand-cyan) 5%, rgba(255, 255, 255, 0.24));
  
  --accent-primary: #4F6EF7;
  --accent-secondary: #38BDF8;
  --accent-tertiary: #14B8A6;
  --accent-danger: #E11D48;
  
  --text-primary: #0F172A;
  --text-secondary: #475569;
  --text-tertiary: #94A3B8;
  
  --shadow-1: color-mix(in srgb, #0D9488 16%, transparent);
  --shadow-2: color-mix(in srgb, var(--brand-indigo) 10%, rgba(15, 23, 42, 0.04));
  --shadow-3: color-mix(in srgb, #0D9488 12%, transparent);
  --shadow-4: rgba(15, 23, 42, 0.035);
  
  --border-primary: color-mix(in srgb, #0D9488 16%, rgba(15, 23, 42, 0.05));
  --border-secondary: color-mix(in srgb, #67E8F9 18%, transparent);
  --border-tertiary: color-mix(in srgb, var(--brand-live-teal) 10%, rgba(15, 23, 42, 0.04));

  --accent-blue: var(--accent-primary);
  --accent-green: var(--accent-secondary);
  --accent-yellow: var(--accent-tertiary);
  --accent-red: var(--accent-danger);
  --accent-purple: var(--google-red);
  --border-color: var(--border-primary);
  --card-bg: var(--card-bg-1);
  --card-shadow: var(--shadow-2);
}

body {
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  font-weight: 400;
  letter-spacing: -0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: background 0.5s ease, color 0.5s ease;
}

/* 流动光晕层 */
body::before {
  content: '';
  position: fixed;
  inset: -20%;
  background:
    conic-gradient(from 200deg at 20% 30%,
      color-mix(in srgb, var(--brand-indigo) 0%, transparent),
      color-mix(in srgb, var(--brand-cyan) 18%, transparent),
      color-mix(in srgb, var(--brand-violet) 12%, transparent),
      transparent 55%),
    conic-gradient(from 40deg at 82% 22%,
      color-mix(in srgb, var(--brand-cyan) 14%, transparent),
      color-mix(in srgb, var(--brand-indigo) 10%, transparent),
      transparent 50%),
    radial-gradient(ellipse 70% 55% at 50% 100%,
      color-mix(in srgb, var(--brand-violet) 12%, transparent),
      transparent 65%);
  filter: blur(48px);
  pointer-events: none;
  z-index: 0;
  opacity: 0.72;
  animation: auroraDrift 32s ease-in-out infinite;
}

[data-theme="light"] body,
.theme-light body {
  background: var(--bg-base);
}

/* 星点粒子 + 副光斑 */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle 1px at 12% 18%, color-mix(in srgb, var(--brand-cyan) 55%, transparent) 0%, transparent 100%),
    radial-gradient(circle 1px at 28% 42%, color-mix(in srgb, var(--brand-cyan) 40%, transparent) 0%, transparent 100%),
    radial-gradient(circle 1px at 45% 12%, color-mix(in srgb, var(--brand-cyan) 35%, transparent) 0%, transparent 100%),
    radial-gradient(circle 1px at 62% 35%, color-mix(in srgb, var(--brand-cyan) 45%, transparent) 0%, transparent 100%),
    radial-gradient(circle 1px at 78% 22%, color-mix(in srgb, var(--brand-cyan) 50%, transparent) 0%, transparent 100%),
    radial-gradient(circle 1px at 88% 58%, color-mix(in srgb, var(--brand-cyan) 38%, transparent) 0%, transparent 100%),
    radial-gradient(circle 1px at 18% 72%, color-mix(in srgb, var(--brand-cyan) 42%, transparent) 0%, transparent 100%),
    radial-gradient(circle 1px at 55% 68%, color-mix(in srgb, var(--brand-cyan) 36%, transparent) 0%, transparent 100%),
    radial-gradient(circle 1px at 72% 82%, color-mix(in srgb, var(--brand-cyan) 44%, transparent) 0%, transparent 100%),
    radial-gradient(ellipse 45% 35% at 75% 65%,
      color-mix(in srgb, var(--brand-cyan) 10%, transparent),
      transparent 70%);
  background-size: 100% 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  animation: starTwinkle 8s ease-in-out infinite alternate;
}

[data-theme="light"] body::after,
.theme-light body::after {
  background:
    linear-gradient(color-mix(in srgb, var(--brand-indigo) 5%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--brand-indigo) 5%, transparent) 1px, transparent 1px),
    radial-gradient(ellipse 55% 40% at 82% 78%, color-mix(in srgb, var(--brand-cyan) 14%, transparent), transparent 70%),
    radial-gradient(circle 1.2px at 15% 22%, color-mix(in srgb, var(--brand-indigo) 45%, transparent), transparent 100%),
    radial-gradient(circle 1px at 72% 18%, color-mix(in srgb, var(--brand-cyan) 40%, transparent), transparent 100%),
    radial-gradient(circle 1px at 42% 68%, color-mix(in srgb, var(--brand-live-teal) 35%, transparent), transparent 100%),
    radial-gradient(circle 1px at 88% 55%, color-mix(in srgb, var(--brand-indigo) 32%, transparent), transparent 100%);
  background-size: 56px 56px, 56px 56px, 100% 100%, 100% 100%, 100% 100%, 100% 100%, 100% 100%;
  opacity: 0.62;
  animation: lightMeshPulse 12s ease-in-out infinite alternate;
}

@keyframes lightMeshPulse {
  0% { opacity: 0.50; }
  100% { opacity: 0.68; }
}

@keyframes auroraDrift {
  0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
  33% { transform: translate(3%, -2%) rotate(2deg) scale(1.04); }
  66% { transform: translate(-2%, 3%) rotate(-1deg) scale(0.98); }
}

@keyframes starTwinkle {
  0% { opacity: 0.4; }
  100% { opacity: 0.65; }
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

@keyframes pulse {
  0%, 100% { opacity: 0.5; transform: scale(1) rotate(0deg); }
  33% { opacity: 0.7; transform: scale(1.15) rotate(120deg); }
  66% { opacity: 0.6; transform: scale(1.1) rotate(240deg); }
  50% { opacity: 0.8; transform: scale(1.25) rotate(180deg); }
}

/* ========== 背景动画 ========== */
@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  25% { background-position: 25% 75%; }
  50% { background-position: 100% 50%; }
  75% { background-position: 75% 25%; }
  100% { background-position: 0% 50%; }
}

/* ========== 顶部导航 ========== */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 10000;
  background: var(--glass-surface);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border-bottom: 1px solid var(--glass-border);
  box-shadow:
    0 1px 0 var(--glass-highlight) inset,
    0 8px 32px var(--shadow-3);
}

.main-nav::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1.5px;
  background: var(--brand-gradient-nav);
  opacity: 0.7;
  pointer-events: none;
}

.nav-container {
  width: fit-content;
  max-width: calc(100% - 24px);
  margin: 0 auto;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  position: relative;
  z-index: 1;
  overflow: visible;
}

.nav-links-wrap {
  flex: 0 1 auto;
  width: max-content;
  max-width: 100%;
  min-width: 0;
  display: flex;
  justify-content: flex-start;
  overflow: visible;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 2px 0;
}

.nav-links-wrap::-webkit-scrollbar {
  display: none;
}

.nav-links:not(.nav-links-v2) {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  border-radius: 17px;
  background: var(--glass-surface-2);
  border: 1px solid var(--glass-border-bright);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 4px 20px var(--shadow-3);
  backdrop-filter: blur(16px) saturate(1.4);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
}

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px 6px 6px;
  border-radius: 12px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, transform 0.15s ease, border-color 0.18s ease;
}

.nav-icon-chip {
  width: 28px;
  height: 28px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--bg-primary) 50%, transparent);
  border: 1px solid var(--border-tertiary);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.nav-icon-chip-photo {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  padding: 0;
  border: none;
  background: transparent;
  overflow: hidden;
  box-shadow: 0 2px 8px color-mix(in srgb, #000 18%, transparent);
}

.nav-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  display: block;
}

.nav-icon-photo {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 3px;
  border-radius: 8px;
}

.nav-label {
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.nav-links-compact {
  gap: 3px;
}

.nav-item-divider {
  width: 1px;
  height: 22px;
  margin: 0 4px;
  background: var(--border-tertiary);
  flex-shrink: 0;
  align-self: center;
}

.nav-item-toolbox {
  border: 1px solid color-mix(in srgb, var(--brand-indigo) 18%, transparent);
  background: color-mix(in srgb, var(--brand-indigo) 6%, transparent);
}

.nav-item-toolbox:hover {
  background: color-mix(in srgb, var(--brand-indigo) 12%, transparent);
  border-color: color-mix(in srgb, var(--brand-indigo) 28%, transparent);
}

.nav-item-toolbox.active {
  background: color-mix(in srgb, var(--brand-indigo) 16%, transparent);
  border-color: color-mix(in srgb, var(--brand-indigo) 35%, transparent);
  box-shadow: 0 2px 14px color-mix(in srgb, var(--brand-indigo) 20%, transparent);
}

.nav-item-toolbox.active .nav-label {
  color: var(--brand-indigo);
}

.nav-menu-trigger {
  cursor: pointer;
  font-family: inherit;
  appearance: none;
  -webkit-appearance: none;
}

.nav-menu-trigger-icon {
  color: var(--text-secondary);
}

.nav-item:hover {
  color: var(--text-primary);
  background: color-mix(in srgb, var(--brand-indigo) 8%, transparent);
  transform: translateY(-1px);
}

.nav-item:hover .nav-icon-chip {
  transform: scale(1.04);
}

.nav-accent-blue .nav-icon-chip:not(.nav-icon-chip-photo) { border-color: color-mix(in srgb, var(--brand-indigo) 28%, transparent); }
.nav-accent-red .nav-icon-chip:not(.nav-icon-chip-photo) { border-color: color-mix(in srgb, var(--brand-rose) 28%, transparent); }
.nav-accent-green .nav-icon-chip:not(.nav-icon-chip-photo) { border-color: color-mix(in srgb, var(--brand-emerald) 28%, transparent); }
.nav-accent-yellow .nav-icon-chip:not(.nav-icon-chip-photo) { border-color: color-mix(in srgb, var(--brand-amber) 35%, transparent); }

.nav-item.nav-accent-blue.active {
  background: color-mix(in srgb, var(--brand-indigo) 14%, transparent);
  border-color: color-mix(in srgb, var(--brand-indigo) 30%, transparent);
  box-shadow: 0 2px 16px color-mix(in srgb, var(--brand-indigo) 22%, transparent);
  color: var(--text-primary);
}
.nav-item.nav-accent-blue.active .nav-label { color: var(--brand-indigo); }

.nav-item.nav-accent-red.active {
  background: color-mix(in srgb, var(--brand-rose) 12%, transparent);
  border-color: color-mix(in srgb, var(--brand-rose) 28%, transparent);
  box-shadow: 0 2px 14px color-mix(in srgb, var(--brand-rose) 18%, transparent);
  color: var(--text-primary);
}
.nav-item.nav-accent-red.active .nav-label { color: var(--brand-rose); }

.nav-item.nav-accent-green.active {
  background: color-mix(in srgb, var(--brand-emerald) 12%, transparent);
  border-color: color-mix(in srgb, var(--brand-emerald) 28%, transparent);
  box-shadow: 0 2px 14px color-mix(in srgb, var(--brand-emerald) 18%, transparent);
  color: var(--text-primary);
}
.nav-item.nav-accent-green.active .nav-label { color: var(--brand-emerald); }

.nav-item.nav-accent-yellow.active {
  background: color-mix(in srgb, var(--brand-amber) 12%, transparent);
  border-color: color-mix(in srgb, var(--brand-amber) 28%, transparent);
  box-shadow: 0 2px 14px color-mix(in srgb, var(--brand-amber) 18%, transparent);
  color: var(--text-primary);
}
.nav-item.nav-accent-yellow.active .nav-label { color: var(--brand-amber); }

.nav-item.active .nav-icon-chip {
  box-shadow: 0 2px 8px color-mix(in srgb, var(--shadow-2) 80%, transparent);
  transform: scale(1.03);
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
  padding: 4px;
  border-radius: 15px;
  background: color-mix(in srgb, var(--bg-primary) 42%, transparent);
  border: 1px solid var(--border-tertiary);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 7%, transparent),
    0 2px 10px color-mix(in srgb, var(--shadow-3) 55%, transparent);
}

.nav-controls-divider {
  width: 1px;
  height: 22px;
  background: linear-gradient(180deg, transparent, var(--border-tertiary), transparent);
  margin: 0 1px;
}

.control-chip-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  position: relative;
  transition: background 0.18s ease, border-color 0.18s ease, transform 0.15s ease, box-shadow 0.18s ease;
}

.control-chip-btn:hover {
  background: color-mix(in srgb, var(--brand-indigo) 10%, transparent);
  border-color: color-mix(in srgb, var(--brand-indigo) 22%, transparent);
  transform: translateY(-1px);
}

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

.control-icon-chip {
  width: 26px;
  height: 26px;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 2px 8px color-mix(in srgb, #000 14%, transparent);
}

.theme-icon-chip {
  border-radius: 8px;
}

.lang-flag-chip {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid color-mix(in srgb, #fff 28%, transparent);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--border-tertiary) 70%, transparent),
    0 2px 8px color-mix(in srgb, #000 16%, transparent);
}

/* ========== 主题切换 ========== */
.theme-switch {
  margin: 0;
  position: relative;
}

.theme-toggle-btn {
  width: 40px;
  height: 40px;
}

@keyframes themeButtonGradient {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.theme-toggle-btn::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, 
    rgba(255, 255, 255, 0.3) 0%,
    transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.theme-toggle-btn:hover::before {
  opacity: 1;
  animation: themeButtonShine 1.5s ease infinite;
}

@keyframes themeButtonShine {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(50%, 50%) rotate(180deg);
  }
}

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

.theme-icon {
  display: block;
  width: 22px;
  height: 22px;
  object-fit: cover;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  z-index: 1;
}

.theme-toggle-btn:hover .theme-icon {
  transform: scale(1.05);
}

/* ========== 语言下拉 ========== */
.lang-switch {
  margin: 0;
  position: relative;
  z-index: 10140;
}

.lang-switch-container {
  position: relative;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  transition: none;
  overflow: visible !important;
  z-index: 10141;
}

@keyframes langContainerGradient {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.lang-switch-container::before {
  display: none;
}

@keyframes langContainerShine {
  0%, 100% {
    transform: translate(0, 0) rotate(0deg);
  }
  50% {
    transform: translate(50%, 50%) rotate(180deg);
  }
}

.lang-switch-container:hover {
  box-shadow: none;
  border: none;
  transform: none;
  background: transparent;
}

.lang-btn-main {
  min-width: 40px;
  height: 40px;
  padding: 0;
  z-index: 2;
  pointer-events: auto;
}

.lang-btn-main::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%,
    rgba(255, 255, 255, 0.4) 50%,
    transparent 100%);
  transition: left 0.5s ease;
  pointer-events: none;
  z-index: 0;
}

.lang-btn-main:hover::before {
  left: 100%;
}

.lang-btn-main.active,
.nav-ctrl-lang.active {
  background: color-mix(in srgb, var(--brand-indigo) 12%, transparent);
  border-color: color-mix(in srgb, var(--brand-indigo) 28%, transparent);
}

.lang-dropdown {
  position: absolute !important;
  right: -10px;
  top: calc(100% + 8px);
  min-width: 148px;
  padding: 5px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--bg-primary) 72%, transparent);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
  border: 1px solid color-mix(in srgb, var(--border-tertiary) 55%, transparent);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-6px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  z-index: 10150 !important;
  visibility: hidden;
  margin: 0;
}

.lang-dropdown.lang-dropdown--portal {
  position: fixed !important;
  transform: none !important;
  transition: opacity 0.2s ease, visibility 0.2s ease !important;
}

.lang-switch.active .lang-dropdown,
.lang-switch-container.active .lang-dropdown,
.lang-dropdown.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}

.lang-dropdown.lang-dropdown--portal.is-open {
  transform: none !important;
}

.lang-dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 9px;
  border-radius: 7px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
  margin-bottom: 2px;
  position: relative;
  background: transparent;
  border: none;
}

.lang-dropdown-item:last-child {
  margin-bottom: 0;
}

.lang-dropdown-item:hover {
  background: color-mix(in srgb, var(--accent-primary) 10%, transparent);
}

.lang-dropdown-item.active {
  background: color-mix(in srgb, var(--accent-primary) 14%, transparent);
}

.lang-dropdown-flag-chip {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid color-mix(in srgb, #fff 22%, transparent);
  box-shadow: 0 1px 4px color-mix(in srgb, #000 12%, transparent);
}

.lang-dropdown-item-flag {
  width: 22px;
  height: 22px;
  object-fit: cover;
  display: block;
}

.lang-flag-icon {
  width: 22px;
  height: 22px;
  object-fit: cover;
  display: block;
}

.lang-dropdown-item-name {
  color: var(--text-secondary);
  font-weight: 500;
  transition: color 0.15s ease;
}

.lang-dropdown-item:hover .lang-dropdown-item-name,
.lang-dropdown-item.active .lang-dropdown-item-name {
  color: var(--text-primary);
}

.lang-dropdown-item.active .lang-dropdown-item-name {
  font-weight: 600;
}

.lang-dropdown-item.active::after {
  content: '';
  position: absolute;
  right: 9px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--google-blue);
  opacity: 0.85;
}

/* ========== 页面容器 & 主卡片 ========== */
.container {
  width: 100%;
  max-width: calc(var(--page-card-max-width) + 80px);
  padding:
    var(--page-wrap-padding-top)
    max(var(--page-wrap-padding-x), env(safe-area-inset-right, 0px))
    var(--page-wrap-padding-bottom)
    max(var(--page-wrap-padding-x), env(safe-area-inset-left, 0px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
  box-sizing: border-box;
}

/* 各页容器仅扩展 max-width，顶部间距与默认 .container 一致 */
.container.index-page {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.container.tool-hub-wrap,
.container.tools-index-wrap,
.container.tool-page-wrap {
  max-width: 1180px;
}

.container.ip-hub-wrap {
  max-width: 960px;
}

.glass-card {
  background: linear-gradient(155deg,
    var(--card-bg-1) 0%,
    var(--card-bg-2) 40%,
    var(--card-bg-3) 100%);
  border: 1px solid var(--glass-border-bright);
  border-radius: var(--page-card-radius, var(--radius-3xl));
  padding: var(--page-card-padding-y) var(--page-card-padding-x);
  max-width: var(--page-card-max-width);
  min-height: 0;
  margin: 0 auto;
  box-shadow:
    0 1px 0 var(--glass-highlight) inset,
    0 20px 50px var(--shadow-2),
    0 8px 24px var(--shadow-3);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(var(--glass-saturate));
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}

.glass-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--glass-highlight) 0%, transparent 42%);
  pointer-events: none;
  opacity: 0.6;
}

.glass-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--brand-indigo) 28%, transparent);
  box-shadow:
    0 1px 0 var(--glass-edge) inset,
    0 24px 56px var(--shadow-2),
    0 0 40px color-mix(in srgb, var(--brand-indigo) 8%, transparent);
}

/* 各菜单页统一主卡片（2FA / 检测 / 密码 / IP / 汇率） */
.page-main-card {
  width: 100%;
  max-width: var(--page-card-max-width);
  min-height: 0;
  padding: var(--page-card-padding-y) var(--page-card-padding-x);
  box-sizing: border-box;
  overflow: visible;
  display: flex;
  flex-direction: column;
}

.page-main-card > * {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.glass-card.page-main-card:hover {
  transform: none;
}

.glass-card.page-main-card {
  overflow: visible;
}

.index-hero-card.page-main-card:hover {
  transform: translateY(-3px);
}

.page-main-card > .app-header,
.page-main-card > .ip-hub-header {
  margin-bottom: var(--spacing-6);
  padding-bottom: var(--spacing-4);
}

.page-main-card .app-header h1,
.page-main-card .ip-hub-header h1 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-2, 8px);
  line-height: var(--line-height-tight);
}

.page-main-card .tagline,
.page-main-card .ip-hub-header p {
  font-size: var(--font-size-sm);
  line-height: var(--line-height-normal);
  margin-bottom: 0;
  max-width: 560px;
  margin-inline: auto;
}

.page-main-card .app-header h1,
.page-main-card .ip-hub-header h1 {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-main-card .input-section,
.page-main-card .form-section,
.page-main-card .result-section,
.page-main-card .results-section,
.page-main-card .usdt-rate-card,
.page-main-card .usdt-calculator-card,
.page-main-card .ip-hub-top,
.page-main-card .ip-panel,
.page-main-card .guide-toc,
.page-main-card .guide-articles {
  max-width: 100%;
  width: 100%;
  margin-left: 0;
  margin-right: 0;
  box-sizing: border-box;
  flex-shrink: 0;
}

/* 首页首屏卡片 */
.index-hero-card {
  min-height: auto;
  position: relative;
  overflow: visible;
  max-width: 840px;
  padding: 42px 48px 38px;
  box-shadow:
    0 1px 0 var(--glass-highlight) inset,
    0 24px 64px var(--shadow-2),
    0 10px 28px var(--shadow-3);
  border: 1px solid color-mix(in srgb, var(--brand-indigo) 22%, var(--glass-border-bright));
  transition: border-color 0.35s ease, box-shadow 0.35s ease, transform 0.35s ease;
}

.index-hero-card::before {
  animation: none !important;
  transform: none !important;
  opacity: 0.45;
}

.index-hero-card::after {
  display: none !important;
}

.index-hero-card:hover {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--brand-indigo) 34%, transparent);
  box-shadow:
    0 1px 0 var(--glass-edge) inset,
    0 32px 80px var(--shadow-2),
    0 0 56px color-mix(in srgb, var(--brand-indigo) 9%, transparent);
}

.index-hero-header {
  text-align: center;
  padding-bottom: 4px;
  margin-bottom: 0 !important;
  border-bottom: none;
}

.index-hero-header::after {
  content: '';
  display: block;
  width: 52px;
  height: 3px;
  margin: 16px auto 0;
  border-radius: var(--radius-full);
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--brand-indigo) 70%, transparent),
    color-mix(in srgb, var(--brand-live-teal) 85%, transparent),
    color-mix(in srgb, var(--brand-cyan) 70%, transparent)
  );
  opacity: 0.72;
}

.index-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 auto 12px;
  padding: 5px 14px 5px 10px;
  border-radius: var(--radius-full);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--brand-indigo);
  background: color-mix(in srgb, var(--brand-indigo) 10%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand-indigo) 18%, transparent);
  box-shadow:
    0 2px 12px color-mix(in srgb, var(--brand-indigo) 8%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.35);
}

.index-hero-eyebrow-icon {
  flex-shrink: 0;
  opacity: 0.95;
}

.index-hero-card .app-header h1 {
  font-size: clamp(20px, 2.9vw, 26px);
  margin-bottom: 10px;
  color: var(--text-primary);
  letter-spacing: -0.025em;
  font-weight: 700;
  text-align: center;
  line-height: 1.22;
}

.index-hero-tagline {
  font-size: 13px;
  max-width: 520px;
  margin: 0 auto;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: 0.012em;
  line-height: 1.65;
}

[data-theme="light"] .index-hero-card .app-header h1,
.theme-light .index-hero-card .app-header h1 {
  color: #0f172a;
}

[data-theme="light"] .index-hero-tagline,
.theme-light .index-hero-tagline {
  color: color-mix(in srgb, var(--brand-live-teal) 72%, var(--text-secondary));
}

[data-theme="light"] .index-hero-eyebrow,
.theme-light .index-hero-eyebrow {
  color: var(--brand-live-teal);
  background: color-mix(in srgb, var(--brand-lime-bright) 14%, #fff);
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 22%, transparent);
}

[data-theme="light"] .index-hero-main,
.theme-light .index-hero-main {
  background: transparent;
  border: none;
  box-shadow: none;
}

[data-theme="light"] .index-hero-help,
.theme-light .index-hero-help {
  background: transparent;
  border: none;
  box-shadow: none;
}

.index-hero-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-top: 22px;
  width: 100%;
  padding: 0;
  border: none;
  border-radius: 0;
  box-sizing: border-box;
  background: transparent;
  box-shadow: none;
}

/* 主操作区：统一流程卡片 */
.index-hero-workflow {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  width: 100%;
  max-width: 520px;
  margin: 0 auto;
}

.hero-flow {
  max-width: 520px;
  gap: 0;
}

.hero-flow-card {
  border: none;
  border-radius: 0;
  overflow: visible;
  background: transparent;
  box-shadow: none;
}

.hero-flow-input {
  padding: 0 0 22px;
}

.hero-flow-label {
  display: block;
  max-width: 440px;
  margin: 0 auto 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
}

.hero-flow-label::before {
  display: none;
}

.hero-flow-stack {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 12px;
  width: 100%;
  max-width: 440px;
  margin: 0 auto;
}

.index-hero-card .hero-flow .hero-flow-field-box.input-group {
  display: block;
  width: 100%;
  margin: 0;
  padding: 5px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, #5eead4 28%, transparent);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, #fff 16%, transparent) 0%,
    color-mix(in srgb, #14b8a6 8%, rgba(255, 255, 255, 0.05)) 100%
  );
  backdrop-filter: blur(14px) saturate(1.18);
  -webkit-backdrop-filter: blur(14px) saturate(1.18);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 24%, transparent),
    0 4px 18px color-mix(in srgb, #14b8a6 8%, transparent);
  transition:
    border-color 0.22s var(--fx-ease),
    box-shadow 0.22s var(--fx-ease);
}

.index-hero-card .hero-flow .hero-flow-field-box .input-wrapper {
  width: 100%;
  max-width: none;
  margin: 0;
}

.index-hero-card .hero-flow .hero-flow-stack .button-wrapper {
  width: 100%;
  max-width: none;
  margin: 0;
  display: flex;
  align-items: stretch;
}

.hero-flow-field {
  margin: 0;
  width: 100%;
  max-width: none;
}

.hero-flow-field input {
  width: 100%;
  min-height: 40px;
  padding: 9px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-align: left;
  transition:
    background 0.22s ease,
    color 0.22s ease;
}

.hero-flow-field input::placeholder {
  color: color-mix(in srgb, var(--text-tertiary) 72%, transparent);
  font-weight: 400;
}

.hero-flow-field input:focus {
  outline: none;
}

.hero-flow-action {
  position: relative;
  margin: 0;
  display: flex;
  align-items: stretch;
  justify-content: stretch;
  width: 100%;
  max-width: none;
}

@keyframes heroGenBtnGlow {
  0%, 100% {
    box-shadow:
      0 2px 12px color-mix(in srgb, #14b8a6 10%, transparent),
      inset 0 1px 0 color-mix(in srgb, #fff 18%, transparent);
  }
  50% {
    box-shadow:
      0 4px 18px color-mix(in srgb, #14b8a6 18%, transparent),
      0 0 16px color-mix(in srgb, #5eead4 12%, transparent),
      inset 0 1px 0 color-mix(in srgb, #fff 24%, transparent);
  }
}

@keyframes heroGenBtnShine {
  0%, 68%, 100% {
    transform: translateX(-130%);
    opacity: 0;
  }
  74% {
    opacity: 1;
  }
  82% {
    transform: translateX(130%);
    opacity: 0;
  }
}

.index-hero-card .hero-flow-action .primary-btn,
.index-hero-card .hero-flow-action .hero-generate-btn {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  width: 100%;
  min-width: 0;
  max-width: none;
  height: auto;
  min-height: 42px;
  align-self: stretch;
  padding: 0 20px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: #ecfdf5 !important;
  border: 1px solid color-mix(in srgb, #5eead4 36%, transparent) !important;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, #14b8a6 78%, #0d9488) 0%,
    color-mix(in srgb, #0d9488 88%, #047857) 100%
  ) !important;
  background-size: 100% 200% !important;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  animation:
    heroGenBtnGlow 3.6s ease-in-out infinite,
    heroGenBtnBg 6s ease-in-out infinite !important;
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 22%, transparent),
    0 2px 8px color-mix(in srgb, #14b8a6 14%, transparent) !important;
  text-shadow: none;
  transition:
    transform 0.2s var(--fx-ease),
    box-shadow 0.24s var(--fx-ease),
    background 0.24s ease,
    border-color 0.24s ease,
    color 0.24s ease;
}

@keyframes heroGenBtnBg {
  0%, 100% { background-position: 0% 0%; }
  50% { background-position: 0% 100%; }
}

.index-hero-card .hero-flow-action .primary-btn::before,
.index-hero-card .hero-flow-action .hero-generate-btn::before {
  display: block !important;
  content: '' !important;
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    105deg,
    transparent 0%,
    transparent 42%,
    rgba(255, 255, 255, 0.36) 50%,
    transparent 58%,
    transparent 100%
  );
  transform: translateX(-130%);
  animation: heroGenBtnShine 5.2s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

.index-hero-card .hero-flow-action .primary-btn::after,
.index-hero-card .hero-flow-action .hero-generate-btn::after {
  display: block !important;
  content: '' !important;
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid color-mix(in srgb, #5eead4 38%, transparent);
  background: transparent;
  animation: heroGenBtnRingPulse 3.2s ease-in-out infinite;
  pointer-events: none;
  z-index: 2;
  opacity: 0.5;
}

@keyframes heroGenBtnRingPulse {
  0%, 100% { opacity: 0.28; transform: scale(1); }
  50% { opacity: 0.72; transform: scale(1.015); }
}

.index-hero-card .hero-flow-action .primary-btn:hover,
.index-hero-card .hero-flow-action .hero-generate-btn:hover {
  transform: translateY(-1px) !important;
  filter: none;
  animation-play-state: paused, paused !important;
  color: #ecfdf5 !important;
  border-color: color-mix(in srgb, #5eead4 48%, transparent) !important;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, #14b8a6 30%, rgba(255, 255, 255, 0.1)) 0%,
    color-mix(in srgb, #22d3ee 20%, rgba(255, 255, 255, 0.08)) 100%
  ) !important;
  box-shadow:
    0 6px 20px color-mix(in srgb, #14b8a6 16%, transparent),
    0 0 0 1px color-mix(in srgb, #5eead4 12%, transparent),
    0 0 22px color-mix(in srgb, #5eead4 16%, transparent),
    inset 0 1px 0 color-mix(in srgb, #fff 24%, transparent) !important;
}

.index-hero-card .hero-flow-action .primary-btn:hover::before,
.index-hero-card .hero-flow-action .hero-generate-btn:hover::before {
  animation: none;
  transform: translateX(130%);
  opacity: 1;
  transition: transform 0.45s var(--fx-ease);
}

.index-hero-card .hero-flow-action .primary-btn:active,
.index-hero-card .hero-flow-action .hero-generate-btn:active {
  transform: translateY(0) !important;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, #14b8a6 18%, rgba(255, 255, 255, 0.06)) 0%,
    color-mix(in srgb, #06b6d4 12%, rgba(255, 255, 255, 0.04)) 100%
  ) !important;
  box-shadow:
    0 1px 8px color-mix(in srgb, #14b8a6 8%, transparent),
    inset 0 1px 0 color-mix(in srgb, #fff 12%, transparent) !important;
}

.index-hero-card .hero-flow-action .primary-btn #generateBtnText {
  position: relative;
  z-index: 3;
  display: inline-block;
  letter-spacing: 0.04em;
}

@media (prefers-reduced-motion: reduce) {
  .index-hero-card .hero-flow-action .primary-btn,
  .index-hero-card .hero-flow-action .hero-generate-btn {
    animation: none !important;
  }

  .index-hero-card .hero-flow-action .primary-btn::before,
  .index-hero-card .hero-flow-action .hero-generate-btn::before,
  .index-hero-card .hero-flow-action .primary-btn::after,
  .index-hero-card .hero-flow-action .hero-generate-btn::after {
    animation: none !important;
    display: none !important;
  }
}

.hero-flow-error {
  margin: 10px 0 0;
  padding: 8px 12px;
  font-size: 12px;
  text-align: left;
  border-radius: 8px;
  color: #e11d48;
  background: color-mix(in srgb, #e11d48 8%, transparent);
  border: 1px solid color-mix(in srgb, #e11d48 18%, transparent);
}

.hero-flow-result {
  background: transparent;
  padding-top: 4px;
}

.hero-flow-result.is-idle {
  background: transparent;
}

.hero-flow-result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 0 0 6px;
}

.hero-flow-result-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  text-transform: uppercase;
}

.hero-flow-result-badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-tertiary);
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  white-space: nowrap;
}

.hero-flow-result-badge.is-live {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: color-mix(in srgb, var(--brand-live-teal) 82%, var(--text-secondary));
  background: transparent;
  border: none;
}

.hero-flow-live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-emerald);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--brand-emerald) 25%, transparent);
  animation: heroFlowLivePulse 2s ease-in-out infinite;
}

@keyframes heroFlowLivePulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.75; transform: scale(0.92); }
}

.hero-flow-result:not(.is-active) .hero-flow-codebox {
  opacity: 1;
}

.hero-flow-divider {
  display: block;
  height: 0;
  margin: 0 0 18px;
  padding: 0;
  border: none;
  border-top: 1px solid color-mix(in srgb, var(--text-primary) 8%, transparent);
  background: none;
}

.hero-flow-divider-dot {
  display: none;
}

.hero-flow-otp {
  position: relative;
  padding: 0;
  margin: 0;
  width: 100%;
}

.hero-flow-codebox {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 4px 0 10px;
  margin: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition: opacity 0.2s ease;
}

.hero-flow-codebox.code-display-idle {
  min-height: 0;
  background: transparent;
  border: none;
}

.hero-flow-codebox.code-display-live {
  cursor: pointer;
  margin-top: 0;
  background: transparent;
  border: none;
}

.hero-flow-codebox.code-display-live:hover {
  background: transparent;
  opacity: 0.92;
}

.hero-flow-codebox.code-display-live.is-copied {
  background: transparent;
}

.hero-flow-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.34em;
  font-family: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
  font-size: clamp(32px, 8vw, 42px);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  line-height: 1.15;
  color: var(--text-primary);
  text-align: center;
  white-space: nowrap;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero-flow-chunk {
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  line-height: 1;
  color: inherit;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hero-flow-code.is-placeholder {
  color: var(--text-tertiary);
  opacity: 0.22;
  font-size: clamp(26px, 7vw, 34px);
}

.hero-flow-code.number-changing {
  opacity: 0.4;
  transform: translateY(3px);
}

.hero-flow-code.number-flash {
  animation: heroFlowFlash 0.38s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}

.hero-flow-hint {
  margin: 0;
  font-size: 12px;
  font-weight: 500;
  line-height: 1.45;
  text-align: center;
  color: var(--text-tertiary);
  transition: color 0.2s ease;
}

.hero-flow-hint.is-idle-hint {
  color: var(--text-tertiary);
  opacity: 0.85;
  max-width: 16em;
}

.hero-flow-codebox.code-display-live:hover .hero-flow-hint {
  color: var(--brand-primary);
}

.hero-flow-codebox.code-display-live.is-copied .hero-flow-hint {
  color: var(--brand-emerald);
}

@keyframes heroFlowFlash {
  0% { opacity: 0.35; transform: scale(0.94); }
  60% { transform: scale(1.05); }
  100% { opacity: 1; transform: scale(1); }
}

.hero-flow-timer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0 0;
  margin: 0;
  border: none;
  background: transparent;
}

.hero-flow-timer.is-idle {
  padding-top: 10px;
  padding-bottom: 12px;
}

.hero-flow-timer.is-idle .hero-flow-timer-track {
  opacity: 0.28;
}

.hero-flow-timer.is-idle .hero-flow-timer-text {
  opacity: 0;
  visibility: hidden;
}

.hero-flow-timer-track {
  flex: 1;
  height: 5px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text-primary) 7%, transparent);
  overflow: hidden;
}

.hero-flow-timer-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand-live-teal), var(--brand-cyan)) !important;
  box-shadow: none !important;
  animation: none !important;
  transition: width 1s linear, background 0.3s ease !important;
}

.hero-flow-timer-fill::before,
.hero-flow-timer-fill::after {
  display: none !important;
}

.hero-flow-timer.is-low-time .hero-flow-timer-fill {
  background: linear-gradient(90deg, #f59e0b, #ef4444) !important;
}

.hero-flow-timer-text {
  flex-shrink: 0;
  min-width: 5.5em;
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--text-secondary);
  white-space: nowrap;
}

.hero-flow-timer.is-low-time .hero-flow-timer-text {
  color: #ea580c;
  font-weight: 700;
}

.hero-flow-toast {
  position: absolute;
  left: 50%;
  top: auto;
  bottom: 54px;
  transform: translateX(-50%) translateY(6px);
  margin: 0;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  max-width: calc(100% - 32px);
  color: var(--text-primary);
  background: color-mix(in srgb, var(--brand-emerald) 16%, var(--glass-surface));
  border: 1px solid color-mix(in srgb, var(--brand-emerald) 32%, transparent);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 24%, transparent),
    0 6px 20px color-mix(in srgb, var(--brand-emerald) 18%, transparent);
  opacity: 0;
  pointer-events: none;
  z-index: 5;
  transition:
    opacity 0.22s ease,
    transform 0.22s cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-flow-toast[hidden] {
  display: none !important;
}

.hero-flow-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.hero-flow-toast.is-error {
  background: color-mix(in srgb, #e11d48 12%, var(--glass-surface));
  border-color: color-mix(in srgb, #e11d48 28%, transparent);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 18%, transparent),
    0 6px 20px color-mix(in srgb, #e11d48 16%, transparent);
}

.hero-flow-toast-text {
  display: block;
}

.hero-flow-help.index-hero-help {
  position: relative;
  z-index: 4;
  max-width: none;
  margin-top: 20px;
  padding: 18px 0 2px;
  border: none;
  border-top: 1px solid color-mix(in srgb, var(--text-primary) 6%, transparent);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  display: flex;
  justify-content: center;
  pointer-events: auto;
}

.hero-flow .index-hero-flow-bridge,
.hero-flow .workflow-split-grid,
.hero-flow .workflow-connector {
  display: none;
}

@media (max-width: 560px) {
  .hero-flow-input {
    padding: 0 0 18px;
  }

  .index-hero-card .hero-flow .hero-flow-stack {
    max-width: 100%;
  }

  .index-hero-card .hero-flow .hero-flow-stack .hero-generate-btn,
  .index-hero-card .hero-flow .hero-flow-stack .primary-btn {
    width: 100%;
    min-height: 42px;
  }

  .hero-flow-chunk {
    font-size: clamp(28px, 9vw, 36px);
  }

  .hero-flow-timer {
    flex-wrap: wrap;
  }

  .hero-flow-timer-text {
    width: 100%;
    text-align: center;
    min-width: 0;
  }
}

[data-theme="light"] .index-hero-card .hero-flow-field-box.input-group,
.theme-light .index-hero-card .hero-flow-field-box.input-group {
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.98) 0%,
    color-mix(in srgb, #f0fdfa 72%, #fff) 100%
  );
  border-color: color-mix(in srgb, #5eead4 32%, transparent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 4px 16px color-mix(in srgb, #14b8a6 6%, transparent);
}

[data-theme="light"] .index-hero-card .hero-flow-field-box:focus-within,
.theme-light .index-hero-card .hero-flow-field-box:focus-within {
  border-color: color-mix(in srgb, #2dd4bf 48%, transparent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.98),
    0 0 0 3px color-mix(in srgb, #14b8a6 10%, transparent),
    0 6px 18px color-mix(in srgb, #14b8a6 8%, transparent);
}

[data-theme="light"] .hero-flow-card,
.theme-light .hero-flow-card {
  background: transparent;
  border: none;
}

[data-theme="light"] .hero-flow-result,
.theme-light .hero-flow-result {
  background: transparent;
}

[data-theme="light"] .hero-flow-chunk,
.theme-light .hero-flow-chunk {
  color: #0f172a;
}

[data-theme="light"] .hero-flow-timer,
.theme-light .hero-flow-timer {
  background: transparent;
}

[data-theme="light"] .index-hero-card .hero-flow-action .primary-btn,
[data-theme="light"] .index-hero-card .hero-flow-action .hero-generate-btn,
.theme-light .index-hero-card .hero-flow-action .primary-btn,
.theme-light .index-hero-card .hero-flow-action .hero-generate-btn {
  color: #fff !important;
  border-color: color-mix(in srgb, #0d9488 28%, transparent) !important;
  background: linear-gradient(
    180deg,
    #14b8a6 0%,
    #0d9488 100%
  ) !important;
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 28%, transparent),
    0 2px 10px color-mix(in srgb, #14b8a6 16%, transparent) !important;
}

[data-theme="light"] .index-hero-card .hero-flow-action .primary-btn:hover,
[data-theme="light"] .index-hero-card .hero-flow-action .hero-generate-btn:hover,
.theme-light .index-hero-card .hero-flow-action .primary-btn:hover,
.theme-light .index-hero-card .hero-flow-action .hero-generate-btn:hover {
  color: #fff !important;
  border-color: color-mix(in srgb, #0f766e 32%, transparent) !important;
  background: linear-gradient(
    180deg,
    #2dd4bf 0%,
    #14b8a6 100%
  ) !important;
  box-shadow:
    0 5px 18px color-mix(in srgb, #14b8a6 12%, transparent),
    inset 0 1px 0 #fff !important;
}

[data-theme="light"] .hero-flow-toast,
.theme-light .hero-flow-toast {
  color: #065f46;
  background: color-mix(in srgb, #a7f3d0 45%, #fff);
  border-color: color-mix(in srgb, #10b981 35%, transparent);
}

/* legacy split workflow */
.index-workflow-split {
  max-width: 100%;
  gap: 12px;
}

.workflow-split-grid {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: auto auto auto;
  gap: 0;
  width: 100%;
}

.workflow-pane {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  padding: 16px 18px;
  border-radius: 16px;
  background:
    linear-gradient(
      165deg,
      color-mix(in srgb, var(--glass-surface) 90%, transparent) 0%,
      color-mix(in srgb, var(--brand-indigo) 3%, var(--glass-surface)) 100%
    );
  border: 1px solid color-mix(in srgb, var(--brand-indigo) 10%, var(--glass-border-bright));
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 2px 12px color-mix(in srgb, var(--brand-indigo) 4%, transparent);
}

.workflow-pane-input {
  border-color: color-mix(in srgb, var(--brand-primary) 14%, var(--glass-border-bright));
}

.workflow-pane-output {
  padding: 14px 14px 12px;
  border-color: color-mix(in srgb, var(--brand-live-teal) 16%, var(--glass-border-bright));
  background:
    linear-gradient(
      165deg,
      color-mix(in srgb, var(--brand-live-cyan) 4%, var(--glass-surface)) 0%,
      color-mix(in srgb, var(--brand-indigo) 3%, var(--glass-surface)) 100%
    );
}

.workflow-pane-output .otp-card-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.workflow-pane-output .otp-v3-panel {
  flex: 1;
  border: none;
  border-radius: 14px;
  background: color-mix(in srgb, var(--bg-primary) 35%, var(--glass-surface-2));
  box-shadow: inset 0 1px 0 var(--glass-highlight);
}

.workflow-step-label {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
}

.workflow-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 9px;
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0;
  color: color-mix(in srgb, var(--brand-primary) 85%, var(--text-primary));
  background: color-mix(in srgb, var(--brand-primary) 10%, var(--glass-surface));
  border: 1px solid color-mix(in srgb, var(--brand-primary) 18%, transparent);
  box-shadow: inset 0 1px 0 color-mix(in srgb, #fff 20%, transparent);
}

.workflow-pane-output .workflow-step-num {
  color: color-mix(in srgb, var(--brand-live-teal) 90%, var(--text-primary));
  background: color-mix(in srgb, var(--brand-live-teal) 10%, var(--glass-surface));
  border-color: color-mix(in srgb, var(--brand-live-teal) 20%, transparent);
}

.workflow-step-text {
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.workflow-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  height: 32px;
  margin: 4px 0;
  position: relative;
}

.workflow-connector-track {
  flex: 1;
  width: 2px;
  min-height: 8px;
  border-radius: 2px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--brand-primary) 30%, transparent),
    color-mix(in srgb, var(--brand-live-teal) 45%, transparent)
  );
  opacity: 0.6;
}

.workflow-connector-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  flex-shrink: 0;
  color: color-mix(in srgb, var(--brand-live-teal) 80%, var(--brand-primary));
  background: color-mix(in srgb, var(--glass-surface) 85%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 20%, var(--glass-border-bright));
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 2px 8px color-mix(in srgb, var(--brand-indigo) 6%, transparent);
}

.workflow-connector-arrow svg {
  transform: rotate(90deg);
}

.index-workflow-split .workflow-input-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  margin: 0;
}

.index-workflow-split .workflow-input-group .input-wrapper {
  width: 100%;
  margin: 0;
}

.index-workflow-split .workflow-input-group .button-wrapper {
  width: 100%;
  margin: 0;
}

.index-workflow-split .workflow-submit-btn {
  width: 100%;
  min-height: 46px;
}

.index-workflow-split .workflow-input-group .error-message {
  text-align: left;
  font-size: 12px;
}

.workflow-foot.index-hero-help {
  max-width: none;
  margin-top: 4px;
  padding: 12px 16px;
  border-radius: 14px;
  border-top: none;
}

@media (min-width: 760px) {
  .index-workflow-split {
    gap: 14px;
  }

  .workflow-split-grid {
    grid-template-columns: minmax(0, 1fr) 52px minmax(0, 1.08fr);
    grid-template-rows: auto;
    align-items: stretch;
    gap: 0;
  }

  .workflow-pane-input {
    border-radius: 16px 0 0 16px;
    border-right: none;
    padding: 18px 20px;
  }

  .workflow-pane-output {
    border-radius: 0 16px 16px 0;
    border-left: none;
    padding: 16px 16px 14px;
  }

  .workflow-pane-input,
  .workflow-pane-output {
    min-height: 220px;
  }

  .workflow-connector {
    grid-column: 2;
    height: auto;
    margin: 0;
    flex-direction: row;
    background:
      linear-gradient(
        180deg,
        color-mix(in srgb, var(--brand-indigo) 5%, var(--glass-surface)) 0%,
        color-mix(in srgb, var(--brand-live-teal) 6%, var(--glass-surface)) 100%
      );
    border-top: 1px solid color-mix(in srgb, var(--brand-indigo) 10%, var(--glass-border-bright));
    border-bottom: 1px solid color-mix(in srgb, var(--brand-live-teal) 12%, var(--glass-border-bright));
  }

  .workflow-connector-track {
    flex: 1;
    width: auto;
    height: 2px;
    min-height: 0;
    background: linear-gradient(
      90deg,
      color-mix(in srgb, var(--brand-primary) 28%, transparent),
      color-mix(in srgb, var(--brand-live-teal) 42%, transparent)
    );
  }

  .workflow-connector-arrow svg {
    transform: none;
  }

  .workflow-split-grid .workflow-pane-input {
    grid-column: 1;
    grid-row: 1;
  }

  .workflow-split-grid .workflow-connector {
    grid-column: 2;
    grid-row: 1;
  }

  .workflow-split-grid .workflow-pane-output {
    grid-column: 3;
    grid-row: 1;
  }
}

[data-theme="light"] .workflow-pane,
.theme-light .workflow-pane {
  background: linear-gradient(165deg, #fff 0%, color-mix(in srgb, #14b8a6 4%, #f8fafc) 100%);
}

[data-theme="light"] .workflow-pane-output .otp-v3-panel,
.theme-light .workflow-pane-output .otp-v3-panel {
  background: color-mix(in srgb, #fff 88%, #f0fdfa);
}

.index-hero-flow-bridge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  height: 28px;
  margin: 2px 0;
  flex-shrink: 0;
}

.index-hero-flow-line {
  flex: 1;
  width: 2px;
  min-height: 6px;
  border-radius: 2px;
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--brand-indigo) 28%, transparent),
    color-mix(in srgb, var(--brand-live-teal) 42%, transparent)
  );
  opacity: 0.55;
}

.index-hero-flow-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--brand-live-teal) 75%, var(--brand-indigo));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-live-teal) 14%, transparent);
}

@media (max-width: 768px) {
  .index-hero-card {
    padding: 26px 18px 22px;
  }

  .index-hero-main {
    margin-top: 16px;
    gap: 0;
    padding: 0;
    border-radius: 0;
  }

  .index-hero-workflow,
  .index-workflow-split {
    max-width: 100%;
  }

  .workflow-pane {
    padding: 14px 14px 12px;
    border-radius: 14px !important;
    border: 1px solid color-mix(in srgb, var(--brand-indigo) 10%, var(--glass-border-bright)) !important;
  }

  .workflow-pane-input {
    border-bottom-left-radius: 0 !important;
    border-bottom-right-radius: 0 !important;
    border-bottom: none !important;
  }

  .workflow-connector {
    margin: 0;
    height: 28px;
    background: color-mix(in srgb, var(--glass-surface) 70%, transparent);
    border-left: 1px solid color-mix(in srgb, var(--brand-indigo) 10%, var(--glass-border-bright));
    border-right: 1px solid color-mix(in srgb, var(--brand-indigo) 10%, var(--glass-border-bright));
  }

  .workflow-pane-output {
    border-top-left-radius: 0 !important;
    border-top-right-radius: 0 !important;
    border-top: none !important;
  }

  .index-hero-flow-bridge {
    height: 22px;
    margin: 0;
  }

  .index-hero-card .app-header h1 {
    font-size: clamp(17px, 4.8vw, 22px);
    padding: 0 2px;
    word-break: break-word;
    hyphens: auto;
  }

  .index-hero-tagline {
    max-width: 100%;
    font-size: 12px;
    padding: 0 4px;
  }

  .index-hero-help {
    max-width: 100%;
    margin-top: 0;
    padding: 16px 0 2px;
    border-radius: 0;
    justify-content: center;
  }

  .otp-section-v2 .otp-progress-row {
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 0;
  }

  .otp-section-v2 .otp-progress-track {
    width: 100%;
    flex: none;
  }

  .otp-section-v2 .otp-timer-badge {
    width: 100%;
    justify-content: center;
    font-size: 10.5px;
  }
}

.index-hero-card #generateForm {
  width: 100%;
  max-width: 100%;
}

.index-hero-card .input-group {
  width: 100%;
  max-width: none;
  min-width: 0;
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto;
  column-gap: 10px;
  row-gap: 8px;
  align-items: stretch;
  position: relative;
}

.index-hero-card .hero-flow .hero-flow-stack + .hero-flow-error,
.index-hero-card .hero-flow .hero-flow-stack .error-message {
  max-width: 440px;
  margin-left: auto;
  margin-right: auto;
}

.index-hero-card .input-wrapper {
  grid-column: 1;
  grid-row: 1;
  width: 100%;
  max-width: 100%;
  margin-bottom: 0;
}

.index-hero-card .button-wrapper {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  align-items: stretch;
  margin: 0;
}

.index-hero-card .error-message {
  grid-column: 1 / -1;
  grid-row: 2;
  text-align: center;
  font-size: 12px;
}

@media (max-width: 768px) {
  .index-hero-card .input-group:not(.hero-flow-field-box) {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    row-gap: 10px;
  }

  .index-hero-card .hero-flow .hero-flow-stack {
    max-width: 100%;
    gap: 10px;
  }

  .index-hero-card .hero-flow .hero-flow-stack .button-wrapper {
    width: 100%;
  }

  .index-hero-card .hero-flow .hero-flow-stack .hero-generate-btn {
    width: 100%;
  }

  .index-hero-card .error-message {
    grid-column: 1;
    grid-row: 3;
  }

  .index-hero-card .primary-btn {
    width: 100%;
    min-height: 44px;
    padding: 12px 20px;
  }
}

.index-hero-card .otp-section {
  margin-top: 0;
  width: 100%;
}

.index-hero-card .otp-section-v2 {
  max-width: none;
  min-height: 0;
  gap: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 15%, var(--glass-border-bright));
  background: color-mix(in srgb, var(--bg-primary) 38%, var(--glass-surface-2));
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 2px 14px color-mix(in srgb, var(--brand-indigo) 5%, transparent);
}

/* OTP v2 — 紧凑验证码 + 点击复制（生成前后占位一致，避免卡片跳动） */
.otp-section-v2 {
  position: relative;
  gap: 12px;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  min-height: 116px;
}

.otp-section-v2 .code-display {
  width: 100%;
  max-width: 100%;
  padding: 0;
  border-radius: 16px;
  background: color-mix(in srgb, var(--bg-primary) 55%, var(--glass-surface-2));
  border: 1px solid color-mix(in srgb, var(--brand-indigo) 16%, var(--glass-border-bright));
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 4px 20px color-mix(in srgb, var(--brand-indigo) 6%, transparent);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
}

.otp-section-v2 .code-display-live {
  cursor: pointer;
}

.otp-section-v2 .code-display-live:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--brand-primary) 35%, var(--glass-border-bright));
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 6px 20px color-mix(in srgb, var(--brand-primary) 10%, transparent);
}

.otp-section-v2 .code-display-live:active {
  transform: translateY(0);
}

.otp-section-v2 .code-display-live.is-copied {
  border-color: color-mix(in srgb, var(--brand-emerald) 50%, transparent);
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--brand-emerald) 22%, transparent),
    0 4px 20px color-mix(in srgb, var(--brand-emerald) 12%, transparent);
}

.otp-section-v2 .code-display-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 18px 12px;
  min-height: 78px;
  box-sizing: border-box;
}

.otp-section-v2 .code-digits {
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border-radius: 14px;
  background: color-mix(in srgb, var(--brand-live-cyan) 5%, var(--glass-surface));
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 14%, transparent);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 1px 0 color-mix(in srgb, var(--brand-live-teal) 8%, transparent);
}

.otp-section-v2 .code-value {
  font-family: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.24em;
  padding-left: 0.12em;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
  background: linear-gradient(
    160deg,
    var(--text-primary) 20%,
    color-mix(in srgb, var(--brand-live-teal) 42%, var(--text-primary)) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  filter: drop-shadow(0 1px 1px color-mix(in srgb, var(--text-primary) 6%, transparent));
  transition: filter 0.2s ease, transform 0.2s ease;
}

.otp-section-v2 .code-value-demo {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.24em;
  padding-left: 0.12em;
  background: none;
  -webkit-text-fill-color: unset;
  color: var(--text-tertiary);
  opacity: 0.38;
  filter: none;
}

.otp-section-v2 .code-copy-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 26px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-tertiary);
  background: color-mix(in srgb, var(--brand-primary) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand-primary) 12%, transparent);
  transition: color 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}

.otp-section-v2 .code-copy-badge.is-placeholder {
  visibility: hidden;
  pointer-events: none;
}

.otp-section-v2 .code-display-live:hover .code-copy-badge {
  color: var(--brand-primary);
  background: color-mix(in srgb, var(--brand-primary) 10%, transparent);
}

.otp-section-v2 .code-copy-icon {
  flex-shrink: 0;
  opacity: 0.85;
}

.otp-section-v2 .code-display-live.is-copied .code-copy-label::after {
  content: ' ✓';
  color: var(--brand-emerald);
}

.otp-section-v2 .otp-progress-row {
  flex-direction: row;
  align-items: center;
  gap: 12px;
  width: 100%;
  margin-top: 0;
  padding: 0;
  background: none;
  border: none;
  box-shadow: none;
  border-radius: 0;
}

.otp-section-v2 .otp-progress-row.is-idle .otp-timer-badge {
  opacity: 0;
  visibility: hidden;
}

.otp-section-v2 .otp-progress-track {
  flex: 1;
  min-width: 0;
  padding: 3px 0;
}

.otp-section-v2 .progress-bar {
  flex: 1;
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand-indigo) 6%, var(--bg-tertiary));
  border: 1px solid color-mix(in srgb, var(--brand-indigo) 10%, var(--glass-border-bright));
  box-shadow:
    inset 0 1px 3px color-mix(in srgb, var(--shadow-4) 80%, transparent),
    inset 0 -1px 0 color-mix(in srgb, #fff 6%, transparent);
  overflow: hidden;
  position: relative;
}

.otp-section-v2 .progress-bar::before {
  display: block;
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    transparent 0%,
    color-mix(in srgb, var(--brand-cyan) 8%, transparent) 50%,
    transparent 100%
  );
  opacity: 0.6;
  pointer-events: none;
}

.otp-section-v2 .progress-fill {
  height: 100%;
  min-width: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg,
    var(--brand-indigo) 0%,
    color-mix(in srgb, var(--brand-live-teal) 70%, var(--brand-cyan)) 45%,
    var(--brand-cyan) 78%,
    var(--brand-violet) 100%) !important;
  background-size: 100% 100% !important;
  box-shadow:
    0 0 14px color-mix(in srgb, var(--brand-cyan) 38%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.42) !important;
  animation: none !important;
  transition: width 1s linear, box-shadow 0.35s ease !important;
  position: relative;
}

.otp-section-v2 .progress-fill::before {
  display: block !important;
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.38) 0%,
    transparent 55%
  );
  pointer-events: none;
}

.otp-section-v2 .progress-fill::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 0;
  transform: translate(50%, -50%);
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(145deg, #ffffff 0%, #e0f2fe 100%);
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--brand-cyan) 50%, transparent),
    0 0 10px color-mix(in srgb, var(--brand-cyan) 65%, transparent);
  pointer-events: none;
}

.otp-section-v2 .refresh-text.otp-timer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  margin: 0;
  padding: 5px 11px 5px 7px;
  min-height: 30px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: color-mix(in srgb, var(--brand-live-teal) 88%, var(--text-secondary));
  background: color-mix(in srgb, var(--brand-live-teal) 8%, var(--glass-surface));
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 18%, var(--glass-border-bright));
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 22%, transparent),
    0 1px 6px color-mix(in srgb, var(--brand-indigo) 6%, transparent);
  font-variant-numeric: tabular-nums;
  transition: color 0.25s ease, background 0.25s ease, border-color 0.25s ease, opacity 0.25s ease;
}

.otp-section-v2 .otp-timer-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border-radius: 50%;
  color: color-mix(in srgb, var(--brand-live-teal) 90%, var(--brand-cyan));
  background: color-mix(in srgb, var(--brand-live-teal) 12%, var(--glass-surface-2));
  box-shadow: inset 0 1px 0 color-mix(in srgb, #fff 30%, transparent);
  opacity: 1;
}

.otp-section-v2 .otp-timer-icon svg {
  width: 11px;
  height: 11px;
}

.otp-section-v2 .otp-timer-label {
  white-space: nowrap;
  line-height: 1.2;
}

.otp-section-v2 .otp-progress-row.is-low-time .progress-fill {
  background: linear-gradient(90deg,
    #f59e0b 0%,
    #f97316 48%,
    #ef4444 100%) !important;
  box-shadow:
    0 0 16px color-mix(in srgb, #f97316 50%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.4) !important;
}

.otp-section-v2 .otp-progress-row.is-low-time .progress-fill::after {
  background: linear-gradient(145deg, #fff 0%, #fed7aa 100%);
  box-shadow:
    0 0 0 2px color-mix(in srgb, #f97316 45%, transparent),
    0 0 14px color-mix(in srgb, #f97316 80%, transparent);
}

.otp-section-v2 .otp-progress-row.is-low-time .otp-timer-badge {
  color: #ea580c;
  background: color-mix(in srgb, #f97316 10%, var(--glass-surface));
  border-color: color-mix(in srgb, #f97316 28%, var(--glass-border-bright));
}

.otp-section-v2 .otp-progress-row.is-low-time .otp-timer-icon {
  color: #ea580c;
  background: color-mix(in srgb, #f97316 14%, var(--glass-surface-2));
}

.otp-section-v2 .otp-toast {
  position: absolute;
  left: 50%;
  bottom: 6px;
  z-index: 6;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0;
  padding: 9px 16px 9px 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: left;
  width: auto;
  max-width: calc(100% - 16px);
  box-sizing: border-box;
  color: var(--brand-live-teal);
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 30%, transparent);
  background:
    linear-gradient(135deg,
      color-mix(in srgb, var(--brand-lime-bright) 10%, var(--glass-surface)) 0%,
      color-mix(in srgb, var(--brand-live-cyan) 8%, var(--glass-surface)) 100%);
  backdrop-filter: blur(12px) saturate(1.3);
  -webkit-backdrop-filter: blur(12px) saturate(1.3);
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 4px 18px color-mix(in srgb, var(--brand-live-teal) 14%, transparent);
  opacity: 0;
  transform: translateX(-50%) translateY(6px) scale(0.96);
  pointer-events: none;
  transition:
    opacity 0.28s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.otp-section-v2 .otp-toast[hidden] {
  display: none;
}

.otp-section-v2 .otp-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0) scale(1);
}

.otp-section-v2 .otp-toast.is-error {
  color: #e11d48;
  border-color: color-mix(in srgb, #e11d48 28%, transparent);
  background: color-mix(in srgb, #e11d48 6%, var(--glass-surface));
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 4px 18px color-mix(in srgb, #e11d48 12%, transparent);
}

.otp-toast-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  flex-shrink: 0;
  background: color-mix(in srgb, var(--brand-live-teal) 14%, transparent);
  color: var(--brand-live-teal);
}

.otp-section-v2 .otp-toast.is-error .otp-toast-icon {
  background: color-mix(in srgb, #e11d48 12%, transparent);
  color: #e11d48;
}

.otp-toast-icon-svg {
  display: block;
}

.otp-toast-icon-err {
  display: none;
}

.otp-section-v2 .otp-toast.is-error .otp-toast-icon-ok {
  display: none;
}

.otp-section-v2 .otp-toast.is-error .otp-toast-icon-err {
  display: block;
}

.otp-toast-text {
  line-height: 1.35;
  color: var(--text-primary);
}

.otp-section-v2 .otp-toast.is-visible .otp-toast-icon {
  animation: otpToastPop 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes otpToastPop {
  0% { transform: scale(0.6); opacity: 0.5; }
  60% { transform: scale(1.08); }
  100% { transform: scale(1); opacity: 1; }
}

[data-theme="light"] .otp-section-v2 .otp-toast,
.theme-light .otp-section-v2 .otp-toast {
  color: #0d9488;
  border-color: color-mix(in srgb, #14b8a6 32%, transparent);
  background:
    linear-gradient(135deg,
      color-mix(in srgb, #a3e635 12%, #fff) 0%,
      color-mix(in srgb, #14b8a6 8%, #fff) 100%);
}

/* 首页 OTP：验证码 + 进度条一体面板 */
.index-hero-card .otp-section-v2 .code-display {
  background: transparent;
  border: none;
  border-radius: 0;
  box-shadow: none;
}

.index-hero-card .otp-section-v2 .code-display-inner {
  padding: 18px 20px 14px;
  min-height: 82px;
  gap: 10px;
}

.index-hero-card .otp-section-v2 .code-digits {
  padding: 12px 24px;
  border-radius: 16px;
}

.index-hero-card .otp-section-v2 .code-display-live:hover {
  transform: none;
  border-color: transparent;
  box-shadow: none;
}

.index-hero-card .otp-section-v2 .code-digits .code-value {
  font-size: 30px;
  letter-spacing: 0.26em;
  font-weight: 800;
}

.index-hero-card .otp-section-v2 .code-value-demo {
  font-size: 30px;
  letter-spacing: 0.26em;
}

.index-hero-card .otp-section-v2 .code-display-live:hover .code-digits .code-value {
  filter: drop-shadow(0 2px 6px color-mix(in srgb, var(--brand-live-teal) 18%, transparent));
}

.index-hero-card .otp-section-v2 .code-digits .code-value.number-changing {
  transform: scale(0.94);
  opacity: 0.55;
  filter: none;
}

.index-hero-card .otp-section-v2 .code-digits .code-value.number-flash {
  animation: codeValueFlash 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

@keyframes codeValueFlash {
  0% { transform: scale(0.92); opacity: 0.4; }
  55% { transform: scale(1.03); }
  100% { transform: scale(1); opacity: 1; }
}

[data-theme="light"] .index-hero-card .otp-section-v2 .code-digits .code-value,
.theme-light .index-hero-card .otp-section-v2 .code-digits .code-value {
  background: linear-gradient(
    160deg,
    #0f172a 18%,
    color-mix(in srgb, #0d9488 50%, #0f172a) 100%
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .otp-section-v2 .code-digits,
.theme-light .otp-section-v2 .code-digits {
  background: color-mix(in srgb, #14b8a6 6%, #fff);
  border-color: color-mix(in srgb, #14b8a6 18%, transparent);
}

.index-hero-card .otp-section-v2 .progress-container {
  margin-top: 0;
  padding: 12px 16px 14px;
  gap: 14px;
  border-top: 1px solid color-mix(in srgb, var(--brand-live-teal) 14%, var(--glass-border-bright));
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--brand-indigo) 5%, var(--glass-surface)) 0%,
      color-mix(in srgb, var(--brand-live-teal) 4%, var(--glass-surface)) 100%
    );
}

.index-hero-card .progress-container.otp-progress-row {
  gap: 14px;
  margin-top: 0;
  padding: 0;
}

/* ═══ OTP v3 — 分格数字 + 环形倒计时 + 终端面板 ═══ */
.otp-section-v3 {
  position: relative;
  width: 100%;
  max-width: none;
  min-height: 0;
  margin: 0;
}

.otp-v3-panel {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 18%, var(--glass-border-bright));
  background:
    radial-gradient(ellipse 120% 80% at 50% -20%, color-mix(in srgb, var(--brand-live-cyan) 10%, transparent) 0%, transparent 55%),
    color-mix(in srgb, var(--bg-primary) 42%, var(--glass-surface-2));
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    0 4px 24px color-mix(in srgb, var(--brand-indigo) 7%, transparent);
}

.otp-v3-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px 8px;
  border-bottom: 1px solid color-mix(in srgb, var(--brand-live-teal) 10%, var(--glass-border-bright));
}

.otp-v3-live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 24px;
}

.otp-v3-live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-tertiary);
  opacity: 0.35;
  box-shadow: none;
  transition: background 0.25s ease, box-shadow 0.25s ease, opacity 0.25s ease;
}

.otp-v3-live.is-active .otp-v3-live-dot {
  background: var(--brand-emerald);
  opacity: 1;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand-emerald) 22%, transparent);
  animation: otpV3Pulse 2s ease-in-out infinite;
}

@keyframes otpV3Pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: 0.82; }
}

.otp-v3-live-text {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  transition: color 0.25s ease;
}

.otp-v3-live.is-active .otp-v3-live-text {
  color: color-mix(in srgb, var(--brand-live-teal) 80%, var(--text-secondary));
}

.otp-v3-copy-hint {
  margin: 0;
  font-size: 10.5px;
  padding: 3px 9px;
}

.otp-section-v3 .otp-v3-stage {
  position: relative;
  width: 100%;
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  transition: background 0.2s ease;
}

.otp-section-v3 .otp-v3-stage.code-display-live {
  cursor: pointer;
}

.otp-section-v3 .otp-v3-stage.code-display-live:hover {
  background: color-mix(in srgb, var(--brand-live-teal) 4%, transparent);
}

.otp-section-v3 .otp-v3-stage.code-display-live.is-copied {
  background: color-mix(in srgb, var(--brand-emerald) 8%, transparent);
}

.otp-v3-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(168px, 72%);
  height: min(168px, 72%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
}

.otp-v3-ring-track {
  stroke: color-mix(in srgb, var(--brand-indigo) 12%, var(--glass-border-bright));
  stroke-width: 3.5;
}

.otp-v3-ring-fill {
  stroke: var(--brand-cyan);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-dasharray: 364.425;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear, stroke 0.35s ease;
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--brand-cyan) 45%, transparent));
}

.otp-section-v3 .otp-progress-row.is-low-time .otp-v3-ring-fill {
  stroke: #f97316;
  filter: drop-shadow(0 0 8px color-mix(in srgb, #f97316 55%, transparent));
}

.otp-v3-body {
  position: relative;
  z-index: 1;
  padding: 22px 16px 18px;
  min-height: 96px;
  gap: 0;
}

.otp-v3-digits {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0;
  border: none;
  background: none;
  box-shadow: none;
}

.otp-v3-code {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.otp-v3-cell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.05em;
  height: 2.45em;
  border-radius: 12px;
  font-family: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
  font-size: clamp(22px, 5.2vw, 30px);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: var(--text-primary);
  background:
    linear-gradient(
      165deg,
      color-mix(in srgb, var(--brand-live-cyan) 8%, var(--glass-surface)) 0%,
      color-mix(in srgb, var(--bg-primary) 55%, var(--glass-surface-2)) 100%
    );
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 20%, var(--glass-border-bright));
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 28%, transparent),
    inset 0 -2px 6px color-mix(in srgb, var(--shadow-4) 35%, transparent),
    0 2px 8px color-mix(in srgb, var(--brand-indigo) 8%, transparent);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.otp-v3-cell.is-demo {
  color: var(--text-tertiary);
  opacity: 0.32;
  box-shadow: inset 0 1px 0 color-mix(in srgb, #fff 12%, transparent);
}

.otp-v3-sep {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  margin: 0 2px;
  background: color-mix(in srgb, var(--brand-live-teal) 55%, var(--text-tertiary));
  opacity: 0.65;
  flex-shrink: 0;
}

.otp-section-v3 .code-display-live:hover .otp-v3-cell {
  border-color: color-mix(in srgb, var(--brand-primary) 35%, var(--glass-border-bright));
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 32%, transparent),
    0 4px 14px color-mix(in srgb, var(--brand-live-teal) 14%, transparent);
}

.otp-section-v3 .code-display-live.is-copied .otp-v3-cell {
  border-color: color-mix(in srgb, var(--brand-emerald) 45%, transparent);
  box-shadow:
    inset 0 0 0 1px color-mix(in srgb, var(--brand-emerald) 18%, transparent),
    0 2px 12px color-mix(in srgb, var(--brand-emerald) 16%, transparent);
}

.otp-v3-foot {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 14px 12px;
  border-top: 1px solid color-mix(in srgb, var(--brand-live-teal) 12%, var(--glass-border-bright));
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--brand-indigo) 4%, var(--glass-surface)) 0%,
      color-mix(in srgb, var(--brand-live-teal) 5%, var(--glass-surface)) 100%
    );
}

.otp-v3-countdown {
  display: flex;
  align-items: baseline;
  gap: 1px;
  min-width: 36px;
  padding: 4px 8px;
  border-radius: 10px;
  background: color-mix(in srgb, var(--brand-live-teal) 8%, var(--glass-surface));
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 16%, transparent);
}

.otp-v3-countdown-num {
  font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
  font-size: 18px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  color: color-mix(in srgb, var(--brand-live-teal) 90%, var(--text-primary));
}

.otp-v3-countdown-unit {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-tertiary);
}

.otp-section-v3 .otp-progress-row.is-idle .otp-v3-countdown {
  opacity: 0.35;
}

.otp-section-v3 .otp-progress-row.is-idle .otp-timer-badge {
  opacity: 0;
  visibility: hidden;
}

.otp-section-v3 .otp-v3-bar {
  height: 6px;
}

.otp-section-v3 .otp-progress-row.is-low-time .otp-v3-countdown {
  background: color-mix(in srgb, #f97316 10%, var(--glass-surface));
  border-color: color-mix(in srgb, #f97316 28%, transparent);
}

.otp-section-v3 .otp-progress-row.is-low-time .otp-v3-countdown-num {
  color: #ea580c;
}

.otp-section-v3 .otp-v3-code.number-changing .otp-v3-cell {
  transform: translateY(3px) scale(0.92);
  opacity: 0.45;
}

.otp-section-v3 .otp-v3-code.number-flash .otp-v3-cell {
  animation: otpV3CellFlash 0.38s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}

.otp-section-v3 .otp-v3-code.number-flash .otp-v3-cell:nth-child(1) { animation-delay: 0ms; }
.otp-section-v3 .otp-v3-code.number-flash .otp-v3-cell:nth-child(2) { animation-delay: 35ms; }
.otp-section-v3 .otp-v3-code.number-flash .otp-v3-cell:nth-child(3) { animation-delay: 70ms; }
.otp-section-v3 .otp-v3-code.number-flash .otp-v3-cell:nth-child(5) { animation-delay: 105ms; }
.otp-section-v3 .otp-v3-code.number-flash .otp-v3-cell:nth-child(6) { animation-delay: 140ms; }
.otp-section-v3 .otp-v3-code.number-flash .otp-v3-cell:nth-child(7) { animation-delay: 175ms; }

@keyframes otpV3CellFlash {
  0% { transform: scale(0.88); opacity: 0.35; }
  55% { transform: scale(1.06); opacity: 1; }
  100% { transform: scale(1); opacity: 1; }
}

.otp-section-v3 .otp-toast {
  bottom: 10px;
}

[data-theme="light"] .otp-v3-panel,
.theme-light .otp-v3-panel {
  background:
    radial-gradient(ellipse 120% 80% at 50% -20%, color-mix(in srgb, #14b8a6 8%, transparent) 0%, transparent 55%),
    color-mix(in srgb, #fff 92%, #f0fdfa);
  border-color: color-mix(in srgb, #14b8a6 22%, transparent);
}

[data-theme="light"] .otp-v3-cell,
.theme-light .otp-v3-cell {
  background: linear-gradient(165deg, #fff 0%, color-mix(in srgb, #14b8a6 6%, #f8fafc) 100%);
  border-color: color-mix(in srgb, #14b8a6 22%, transparent);
  color: #0f172a;
}

@media (max-width: 480px) {
  .otp-v3-cell {
    width: 1.85em;
    height: 2.2em;
    border-radius: 10px;
    font-size: clamp(20px, 6vw, 26px);
  }

  .otp-v3-foot {
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
  }

  .otp-section-v3 .otp-timer-badge {
    grid-column: 1 / -1;
    justify-content: center;
    width: 100%;
  }

  .otp-v3-ring {
    width: min(148px, 68%);
    height: min(148px, 68%);
  }
}

.index-hero-card .otp-section-v3 {
  max-width: none;
}

.index-hero-card .otp-section-v3 .otp-v3-stage.code-display-live:hover {
  transform: none;
}

/* ═══ OTP Card — 票据式 3+3 + 底栏进度 ═══ */
.otp-card-wrap {
  position: relative;
  width: 100%;
}

.otp-card.is-live,
.otp-card.is-idle {
  border-radius: 14px;
  overflow: hidden;
  background:
    linear-gradient(
      168deg,
      color-mix(in srgb, var(--glass-surface) 92%, transparent) 0%,
      color-mix(in srgb, var(--brand-indigo) 4%, var(--glass-surface)) 100%
    );
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 16%, var(--glass-border-bright));
  box-shadow:
    inset 3px 0 0 var(--brand-live-teal),
    inset 0 1px 0 var(--glass-highlight),
    0 6px 20px color-mix(in srgb, var(--brand-indigo) 8%, transparent);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.otp-card:has(.code-display-live.is-copied) {
  border-color: color-mix(in srgb, var(--brand-emerald) 35%, var(--glass-border-bright));
  box-shadow:
    inset 3px 0 0 var(--brand-emerald),
    inset 0 1px 0 var(--glass-highlight),
    0 4px 16px color-mix(in srgb, var(--brand-emerald) 12%, transparent);
}

.otp-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px 0;
}

.otp-card-tag {
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--brand-live-teal) 85%, var(--text-secondary));
}

.otp-card-copy-hint {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-tertiary);
  transition: color 0.2s ease;
}

.otp-card-copy-hint.is-idle {
  visibility: hidden;
}

.otp-card-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 22px 16px 20px;
  margin: 0;
  border: none;
  background: transparent;
  box-shadow: none;
  border-radius: 0;
  transition: background 0.2s ease;
}

.otp-card-body.code-display-live {
  cursor: pointer;
}

.otp-card-body.code-display-live:hover {
  background: color-mix(in srgb, var(--brand-live-teal) 5%, transparent);
}

.otp-card-body.code-display-live:hover + .otp-card-foot .otp-card-copy-hint,
.otp-card.is-live:has(.code-display-live:hover) .otp-card-copy-hint {
  color: var(--brand-primary);
}

.otp-card-digits {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 4vw, 22px);
}

.otp-card-part {
  font-family: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
  font-size: clamp(30px, 7vw, 38px);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
  line-height: 1;
  color: var(--text-primary);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.otp-card-part.is-demo {
  color: var(--text-tertiary);
  opacity: 0.28;
}

.otp-card-divider {
  width: 2px;
  height: 0.85em;
  border-radius: 1px;
  background: linear-gradient(
    180deg,
    transparent,
    color-mix(in srgb, var(--brand-live-teal) 55%, var(--text-tertiary)),
    transparent
  );
  opacity: 0.7;
  flex-shrink: 0;
}

.otp-card-digits.number-changing .otp-card-part {
  opacity: 0.4;
  transform: translateY(2px);
}

.otp-card-digits.number-flash .otp-card-part {
  animation: otpCardPartFlash 0.4s cubic-bezier(0.22, 1, 0.36, 1) backwards;
}

.otp-card-digits.number-flash .otp-card-part:nth-child(1) { animation-delay: 0ms; }
.otp-card-digits.number-flash .otp-card-part:nth-child(3) { animation-delay: 60ms; }

@keyframes otpCardPartFlash {
  0% { opacity: 0.3; transform: scale(0.94); }
  60% { transform: scale(1.04); }
  100% { opacity: 1; transform: scale(1); }
}

.otp-card-foot {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
  padding: 10px 14px 12px;
  margin: 0;
  border-top: 1px solid color-mix(in srgb, var(--brand-live-teal) 12%, var(--glass-border-bright));
  background: color-mix(in srgb, var(--brand-indigo) 6%, var(--bg-primary));
}

.otp-card-foot.is-idle .otp-card-time {
  opacity: 0;
  visibility: hidden;
}

.otp-card-bar {
  height: 5px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--text-primary) 8%, transparent);
  overflow: hidden;
}

.otp-card-bar-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(
    90deg,
    var(--brand-live-teal),
    var(--brand-cyan)
  ) !important;
  box-shadow: none !important;
  animation: none !important;
  transition: width 1s linear, background 0.3s ease !important;
}

.otp-card-bar-fill::before,
.otp-card-bar-fill::after {
  display: none !important;
}

.otp-card-foot.is-low-time .otp-card-bar-fill {
  background: linear-gradient(90deg, #f59e0b, #ef4444) !important;
}

.otp-card-time {
  flex-shrink: 0;
  min-width: 5.5em;
  font-size: 11.5px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--text-secondary);
  white-space: nowrap;
}

.otp-card-foot.is-low-time .otp-card-time {
  color: #ea580c;
  font-weight: 700;
}

.otp-card-toast {
  position: absolute;
  left: 50%;
  top: 50%;
  bottom: auto;
  transform: translate(-50%, -50%);
  margin: 0;
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  background: color-mix(in srgb, var(--brand-emerald) 14%, var(--glass-surface));
  border: 1px solid color-mix(in srgb, var(--brand-emerald) 28%, transparent);
  box-shadow: 0 8px 24px color-mix(in srgb, var(--shadow-4) 25%, transparent);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.22s ease, transform 0.22s ease;
  z-index: 2;
}

.otp-card-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.otp-card-toast.is-error {
  background: color-mix(in srgb, #e11d48 10%, var(--glass-surface));
  border-color: color-mix(in srgb, #e11d48 24%, transparent);
}

[data-theme="light"] .otp-card.is-live,
[data-theme="light"] .otp-card.is-idle,
.theme-light .otp-card.is-live,
.theme-light .otp-card.is-idle {
  background: linear-gradient(168deg, #fff 0%, color-mix(in srgb, #14b8a6 5%, #f8fafc) 100%);
  border-color: color-mix(in srgb, #14b8a6 22%, transparent);
  box-shadow:
    inset 3px 0 0 #14b8a6,
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 4px 16px color-mix(in srgb, #0d9488 10%, transparent);
}

[data-theme="light"] .otp-card-part,
.theme-light .otp-card-part {
  color: #0f172a;
}

[data-theme="light"] .otp-card-foot,
.theme-light .otp-card-foot {
  background: color-mix(in srgb, #14b8a6 6%, #f1f5f9);
}

/* legacy otp-simple (unused) */
.otp-simple {
  position: relative;
  width: 100%;
}

.otp-simple-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 4px 0 2px;
}

.otp-simple-code {
  width: 100%;
  margin: 0;
  padding: 16px 12px;
  text-align: center;
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg-primary) 40%, var(--glass-surface));
  border: 1px solid color-mix(in srgb, var(--brand-indigo) 12%, var(--glass-border-bright));
  transition: border-color 0.2s ease, background 0.2s ease;
}

.otp-simple-code.code-display-live {
  cursor: pointer;
}

.otp-simple-code.code-display-live:hover {
  border-color: color-mix(in srgb, var(--brand-primary) 30%, var(--glass-border-bright));
  background: color-mix(in srgb, var(--brand-primary) 4%, var(--glass-surface));
}

.otp-simple-code.code-display-live.is-copied {
  border-color: color-mix(in srgb, var(--brand-emerald) 45%, transparent);
  background: color-mix(in srgb, var(--brand-emerald) 6%, var(--glass-surface));
}

.otp-simple .code-value {
  display: block;
  font-family: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
  font-size: clamp(28px, 6vw, 36px);
  font-weight: 700;
  letter-spacing: 0.22em;
  padding-left: 0.11em;
  font-variant-numeric: tabular-nums;
  line-height: 1.1;
  color: var(--text-primary);
}

.otp-simple .code-value-demo {
  color: var(--text-tertiary);
  opacity: 0.35;
  letter-spacing: 0.18em;
}

.otp-simple .code-value.number-changing {
  opacity: 0.45;
  transform: scale(0.97);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.otp-simple .code-value.number-flash {
  animation: otpSimpleFlash 0.35s ease;
}

@keyframes otpSimpleFlash {
  0% { opacity: 0.35; transform: scale(0.96); }
  100% { opacity: 1; transform: scale(1); }
}

.otp-simple-hint {
  margin: 0;
  font-size: 12px;
  color: var(--text-tertiary);
  text-align: center;
}

.otp-simple-hint.is-idle {
  visibility: hidden;
}

.otp-simple-timer {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin: 0;
  padding: 0;
  background: none;
  border: none;
  box-shadow: none;
}

.otp-simple-timer.is-idle .otp-simple-countdown {
  opacity: 0;
  visibility: hidden;
}

.otp-simple .otp-progress-track {
  flex: 1;
  min-width: 0;
}

.otp-simple .progress-bar {
  height: 4px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--brand-indigo) 8%, var(--bg-tertiary));
  border: none;
  box-shadow: none;
  overflow: hidden;
}

.otp-simple .progress-fill {
  height: 100%;
  border-radius: 999px;
  background: var(--brand-primary) !important;
  box-shadow: none !important;
  animation: none !important;
  transition: width 1s linear !important;
}

.otp-simple .progress-fill::before,
.otp-simple .progress-fill::after {
  display: none !important;
}

.otp-simple-timer.is-low-time .progress-fill {
  background: #f97316 !important;
}

.otp-simple-countdown {
  flex-shrink: 0;
  min-width: 4.5em;
  font-size: 12px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  text-align: right;
  color: var(--text-secondary);
}

.otp-simple-timer.is-low-time .otp-simple-countdown {
  color: #ea580c;
}

.otp-simple .otp-toast {
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  margin: 0;
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 12px;
  background: color-mix(in srgb, var(--brand-emerald) 12%, var(--glass-surface));
  border: 1px solid color-mix(in srgb, var(--brand-emerald) 25%, transparent);
  color: var(--text-primary);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.otp-simple .otp-toast.is-visible {
  opacity: 1;
}

.otp-simple .otp-toast.is-error {
  background: color-mix(in srgb, #e11d48 8%, var(--glass-surface));
  border-color: color-mix(in srgb, #e11d48 22%, transparent);
}

.workflow-pane-output .otp-simple-panel {
  padding: 0;
}

[data-theme="light"] .otp-simple-code,
.theme-light .otp-simple-code {
  background: #fff;
  border-color: color-mix(in srgb, #14b8a6 18%, transparent);
}

[data-theme="light"] .otp-simple .code-value,
.theme-light .otp-simple .code-value {
  color: #0f172a;
}

/* 首页卡片特殊样式优化 */
.index-hero-card .input-wrapper {
  position: relative;
  width: 100%;
}

.index-hero-card .input-wrapper::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 16px;
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand-indigo) calc(0.65 * 100%), transparent) 0%, 
    color-mix(in srgb, var(--brand-violet) calc(0.55 * 100%), transparent) 50%,
    color-mix(in srgb, var(--brand-emerald) calc(0.65 * 100%), transparent) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
  filter: blur(8px);
}

.index-hero-card .input-wrapper:focus-within::before {
  opacity: 0.6;
}

.index-hero-card .input-wrapper.hero-flow-field::before {
  display: none;
}

.index-hero-card .input-wrapper.hero-flow-field:focus-within::before {
  display: none;
}

.index-hero-card .input-wrapper.hero-flow-field input {
  min-height: 40px;
  padding: 9px 14px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 10px;
  text-align: left;
  color: var(--text-primary);
  background: transparent !important;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border: none !important;
  box-shadow: none !important;
  transform: none !important;
}

.index-hero-card .input-wrapper.hero-flow-field input::placeholder {
  color: color-mix(in srgb, var(--text-tertiary) 70%, transparent);
  font-size: 12.5px;
}

.index-hero-card .input-wrapper.hero-flow-field input:focus {
  border: none !important;
  background: color-mix(in srgb, #fff 8%, transparent) !important;
  box-shadow: none !important;
  transform: none !important;
  outline: none !important;
}

.index-hero-card .hero-flow-field-box:focus-within {
  border-color: color-mix(in srgb, #5eead4 44%, transparent);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 28%, transparent),
    0 0 0 3px color-mix(in srgb, #14b8a6 12%, transparent),
    0 6px 20px color-mix(in srgb, #14b8a6 10%, transparent);
}

.index-hero-card .input-wrapper input {
  padding: 14px 18px;
  font-size: 14.5px;
  border-radius: 14px;
  background: var(--glass-surface);
  border: 1px solid color-mix(in srgb, var(--brand-indigo) 14%, var(--glass-border-bright));
  box-shadow:
    inset 0 1px 0 var(--glass-highlight),
    inset 0 -1px 0 color-mix(in srgb, var(--brand-indigo) 4%, transparent),
    0 2px 12px var(--shadow-3);
  color: var(--text-primary);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  text-align: left;
}

.index-hero-card .input-wrapper input::placeholder {
  color: rgba(208, 208, 208, 0.6);
  font-weight: 400;
}

.index-hero-card .input-wrapper input:focus {
  border-color: color-mix(in srgb, var(--brand-indigo) 45%, transparent);
  box-shadow:
    0 0 0 4px color-mix(in srgb, var(--brand-indigo) 14%, transparent),
    inset 0 1px 0 var(--glass-highlight),
    0 6px 20px color-mix(in srgb, var(--brand-indigo) 8%, transparent);
  transform: translateY(-1px);
  background: var(--glass-surface);
  outline: none;
}


.index-hero-card .primary-btn {
  height: 100%;
  min-height: 48px;
  padding: 0 24px;
  min-width: 0;
  font-size: 14px;
  border-radius: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  background: var(--brand-gradient);
  box-shadow:
    0 6px 22px color-mix(in srgb, var(--brand-indigo) 32%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.index-hero-card .primary-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%);
  transition: left 0.6s ease;
}

.index-hero-card .primary-btn:hover::before {
  left: 100%;
}

.index-hero-card .primary-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 10px 28px color-mix(in srgb, var(--brand-indigo) 38%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.index-hero-card .primary-btn:active {
  transform: translateY(0);
}

/* 首页卡片提示文本美化 */
.index-hero-card .copy-hint {
  font-size: 12px;
  color: color-mix(in srgb, var(--brand-cyan) calc(0.8 * 100%), transparent);
  font-weight: 500;
  letter-spacing: 0.2px;
  margin-top: 10px;
  transition: all 0.3s ease;
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  opacity: 0.9;
}

.index-hero-card .code-display:hover .copy-hint {
  color: color-mix(in srgb, var(--brand-cyan) calc(0.95 * 100%), transparent);
  transform: translateY(-1px);
  opacity: 1;
}

/* 亮色主题下的首页卡片提示文本 */
[data-theme="light"] .index-hero-card .copy-hint,
.theme-light .index-hero-card .copy-hint {
  color: color-mix(in srgb, var(--brand-indigo) calc(0.80 * 100%), transparent);
}

[data-theme="light"] .index-hero-card .code-display:hover .copy-hint,
.theme-light .index-hero-card .code-display:hover .copy-hint {
  color: color-mix(in srgb, var(--brand-indigo) calc(0.95 * 100%), transparent);
}

.index-hero-card .otp-section-v2 .code-copy-badge {
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 11.5px;
  background: color-mix(in srgb, var(--brand-indigo) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--brand-indigo) 10%, transparent);
}

[data-theme="light"] .otp-section-v2 .otp-progress-row,
.theme-light .otp-section-v2 .otp-progress-row {
  background: none;
  border: none;
  box-shadow: none;
}

[data-theme="light"] .index-hero-card .otp-section-v2 .progress-container,
.theme-light .index-hero-card .otp-section-v2 .progress-container {
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--brand-live-cyan) 6%, #fff) 0%,
      color-mix(in srgb, var(--brand-indigo) 4%, #fff) 100%
    );
  border-top-color: color-mix(in srgb, var(--brand-live-teal) 16%, rgba(255, 255, 255, 0.5));
}

[data-theme="light"] .otp-section-v2 .progress-bar,
.theme-light .otp-section-v2 .progress-bar {
  background: color-mix(in srgb, var(--brand-indigo) 6%, #eef2f7) !important;
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 12%, #e2e8f0) !important;
  box-shadow: inset 0 1px 3px color-mix(in srgb, var(--brand-indigo) 6%, transparent) !important;
}

[data-theme="light"] .otp-section-v2 .progress-fill,
.theme-light .otp-section-v2 .progress-fill {
  background: linear-gradient(90deg,
    var(--brand-indigo) 0%,
    var(--brand-live-teal) 50%,
    var(--brand-cyan) 100%) !important;
}

[data-theme="light"] .otp-section-v2 .otp-timer-badge,
.theme-light .otp-section-v2 .otp-timer-badge {
  color: var(--brand-live-teal);
  background: color-mix(in srgb, var(--brand-live-cyan) 10%, #fff);
  border-color: color-mix(in srgb, var(--brand-live-teal) 20%, #e2e8f0);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

[data-theme="light"] .otp-section-v2 .otp-timer-icon,
.theme-light .otp-section-v2 .otp-timer-icon {
  background: color-mix(in srgb, var(--brand-live-teal) 10%, #fff);
  color: var(--brand-live-teal);
}

/* 卡片内部装饰 - 多层高光和渐变 */
.glass-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background:
    radial-gradient(ellipse at 20% 20%, color-mix(in srgb, var(--brand-indigo) 18%, transparent), transparent 55%),
    radial-gradient(ellipse at 80% 80%, color-mix(in srgb, var(--brand-violet) 14%, transparent), transparent 55%),
    radial-gradient(ellipse at 50% 50%, color-mix(in srgb, var(--brand-cyan) 10%, transparent), transparent 65%),
    radial-gradient(ellipse at 30% 70%, color-mix(in srgb, var(--brand-indigo) 10%, transparent), transparent 60%);
  opacity: 0.6;
  pointer-events: none;
  mix-blend-mode: overlay;
  animation: cardShine 15s ease-in-out infinite;
}

.glass-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 32px;
  padding: 1px;
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--brand-indigo) 35%, transparent) 0%,
    color-mix(in srgb, var(--brand-violet) 28%, transparent) 35%,
    color-mix(in srgb, var(--brand-cyan) 22%, transparent) 65%,
    color-mix(in srgb, var(--brand-indigo) 35%, transparent) 100%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.glass-card:hover::after {
  opacity: 0.8;
}

@keyframes cardShine {
  0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
  25% { transform: translate(15px, -15px) rotate(90deg) scale(1.05); }
  50% { transform: translate(20px, 20px) rotate(180deg) scale(1.1); }
  75% { transform: translate(-15px, 15px) rotate(270deg) scale(1.05); }
}

/* ========== 头部区域 ========== */
.app-header {
  text-align: center;
  margin-bottom: var(--spacing-6);
  position: relative;
  padding-bottom: 18px;
  border-bottom: 1px solid color-mix(in srgb, var(--brand-indigo) calc(0.3 * 100%), transparent);
}

.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand-indigo) calc(0.8 * 100%), transparent) 0%, 
    color-mix(in srgb, var(--brand-violet) calc(0.75 * 100%), transparent) 20%,
    color-mix(in srgb, var(--brand-indigo) calc(0.7 * 100%), transparent) 40%,
    color-mix(in srgb, var(--brand-violet) calc(0.75 * 100%), transparent) 60%,
    color-mix(in srgb, var(--brand-indigo) calc(0.8 * 100%), transparent) 100%);
  border-radius: 18px;
  margin-bottom: 18px;
  color: #f0f0f0;
  position: relative;
  box-shadow: 
    0 10px 28px color-mix(in srgb, var(--brand-emerald) calc(0.4 * 100%), transparent),
    0 4px 12px color-mix(in srgb, var(--brand-indigo) calc(0.3 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-violet) calc(0.5 * 100%), transparent) inset,
    0 2px 8px color-mix(in srgb, var(--brand-indigo) calc(0.3 * 100%), transparent),
    0 -2px 0 color-mix(in srgb, var(--brand-emerald) calc(0.3 * 100%), transparent) inset,
    0 2px 0 color-mix(in srgb, var(--brand-violet) calc(0.4 * 100%), transparent) inset;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid color-mix(in srgb, var(--brand-violet) calc(0.6 * 100%), transparent);
  overflow: hidden;
}

.logo::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, color-mix(in srgb, var(--brand-violet) calc(0.4 * 100%), transparent), transparent 70%);
  opacity: 0;
  transition: opacity 0.5s ease;
}

.logo:hover::before {
  opacity: 1;
}

.logo:hover {
  transform: scale(1.08) rotate(8deg);
  box-shadow: 
    0 20px 48px color-mix(in srgb, var(--brand-emerald) calc(0.5 * 100%), transparent),
    0 8px 24px color-mix(in srgb, var(--brand-indigo) calc(0.4 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-violet) calc(0.7 * 100%), transparent) inset,
    0 4px 20px color-mix(in srgb, var(--brand-indigo) calc(0.4 * 100%), transparent),
    0 -3px 0 color-mix(in srgb, var(--brand-emerald) calc(0.4 * 100%), transparent) inset,
    0 3px 0 color-mix(in srgb, var(--brand-violet) calc(0.5 * 100%), transparent) inset;
  border-color: color-mix(in srgb, var(--brand-violet) calc(0.8 * 100%), transparent);
}

.logo svg {
  width: 32px;
  height: 32px;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 2px 4px color-mix(in srgb, var(--brand-indigo) calc(0.4 * 100%), transparent));
  transition: filter 0.3s ease;
}

.logo:hover svg {
  filter: drop-shadow(0 4px 8px color-mix(in srgb, var(--brand-violet) calc(0.5 * 100%), transparent));
}

/* ========== 统一卡片标题样式 ========== */
.app-header h1,
.info-card h3,
.results-header h3,
.form-section h3,
.info-section h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 12px;
  color: #8ab4f8;
  letter-spacing: 0.02em;
  text-align: left;
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  line-height: 1.4;
  position: relative;
  text-transform: none;
}

/* 居中标题（如主卡片标题） */
.app-header h1 {
  text-align: center;
  margin-bottom: 10px;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.page-title-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  vertical-align: middle;
}

/* 统一的标题装饰线 */
.app-header h1::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 2px;
  background: color-mix(in srgb, var(--brand-indigo) calc(0.5 * 100%), transparent);
  border-radius: 999px;
}

.info-card h3::after,
.results-header h3::after,
.form-section h3::after,
.info-section h3::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 35px;
  height: 2px;
  background: color-mix(in srgb, var(--brand-indigo) calc(0.6 * 100%), transparent);
  border-radius: 2px;
}

.tagline {
  font-size: 12px;
  color: rgba(208, 208, 208, 0.8);
  font-weight: 400;
  line-height: 1.5;
  max-width: 320px;
  margin: 12px auto 0;
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  letter-spacing: 0.01em;
  padding: 0 16px;
}

/* ========== 主要内容区域 ========== */
.app-main {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center; /* 让每个卡片内的主内容尽量居中 */
}

/* ========== 输入组 ========== */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  max-width: 900px;  /* 输入区域宽度与卡片一致 */
  margin: 0 auto;
}

.input-wrapper {
  display: flex;
  gap: 12px;
  align-items: stretch;
  margin-bottom: 16px;
  justify-content: center;
  width: 100%;
  max-width: 100%; /* 让输入框区域占满当前卡片宽度 */
}

.button-wrapper {
  display: flex;
  justify-content: center;
  margin-top: 4px;
}

.button-group {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 16px;
}

.secondary-btn {
  padding: 10px 22px;
  border-radius: 16px;
  border: 1px solid color-mix(in srgb, var(--brand-indigo) calc(0.6 * 100%), transparent);
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand-emerald) calc(0.7 * 100%), transparent) 0%, 
    color-mix(in srgb, var(--brand-indigo) calc(0.65 * 100%), transparent) 50%,
    color-mix(in srgb, var(--brand-violet) calc(0.6 * 100%), transparent) 100%);
  color: #ffffff;
  font-size: 13px;
  font-weight: 600;
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  letter-spacing: 0.3px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 
    0 4px 16px color-mix(in srgb, var(--brand-emerald) calc(0.3 * 100%), transparent),
    0 2px 8px color-mix(in srgb, var(--brand-indigo) calc(0.25 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-indigo) calc(0.4 * 100%), transparent) inset,
    0 1px 0 rgba(255, 255, 255, 0.15) inset;
  backdrop-filter: blur(15px) saturate(1.2);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.secondary-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%,
    rgba(255, 255, 255, 0.2) 50%,
    transparent 100%);
  transition: left 0.5s ease;
}

.secondary-btn:hover::before {
  left: 100%;
}

.secondary-btn:hover {
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand-indigo) calc(0.8 * 100%), transparent) 0%, 
    color-mix(in srgb, var(--brand-violet) calc(0.75 * 100%), transparent) 50%,
    color-mix(in srgb, var(--brand-indigo) calc(0.8 * 100%), transparent) 100%);
  box-shadow: 
    0 8px 24px color-mix(in srgb, var(--brand-emerald) calc(0.4 * 100%), transparent),
    0 4px 12px color-mix(in srgb, var(--brand-indigo) calc(0.3 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-violet) calc(0.6 * 100%), transparent) inset,
    0 0 30px color-mix(in srgb, var(--brand-indigo) calc(0.25 * 100%), transparent);
  border-color: color-mix(in srgb, var(--brand-violet) calc(0.8 * 100%), transparent);
  transform: translateY(-3px);
}

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

.input-wrapper input {
  flex: 1;
  background: var(--glass-surface-2);
  border: 1px solid var(--glass-border-bright);
  border-radius: var(--radius-lg);
  padding: var(--spacing-4) var(--spacing-6);
  font-size: var(--font-size-md);
  color: var(--text-primary);
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  font-weight: 500;
  letter-spacing: var(--letter-spacing-normal);
  backdrop-filter: blur(12px) saturate(1.4);
  -webkit-backdrop-filter: blur(12px) saturate(1.4);
  box-shadow: inset 0 1px 0 var(--glass-highlight);
}

.input-wrapper input::placeholder {
  color: rgba(208, 208, 208, 0.5);
}

.input-wrapper input:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--brand-violet) calc(0.6 * 100%), transparent);
  box-shadow: 
    0 0 0 3px color-mix(in srgb, var(--brand-indigo) calc(0.2 * 100%), transparent),
    0 4px 12px color-mix(in srgb, var(--brand-emerald) calc(0.3 * 100%), transparent);
  background: rgba(35, 30, 60, 0.7);
}

.primary-btn {
  background: linear-gradient(135deg,
    var(--brand-indigo) 0%,
    var(--brand-violet) 50%,
    color-mix(in srgb, var(--brand-cyan) 40%, var(--brand-indigo)) 100%);
  border: 1px solid color-mix(in srgb, var(--brand-indigo) 50%, transparent);
  border-radius: var(--radius-xl);
  padding: var(--spacing-3) var(--spacing-6);
  color: #ffffff;
  font-weight: 600;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  letter-spacing: var(--letter-spacing-wide);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  box-shadow:
    0 4px 16px color-mix(in srgb, var(--brand-indigo) 40%, transparent),
    0 2px 6px color-mix(in srgb, var(--brand-violet) 28%, transparent),
    0 0 0 1px color-mix(in srgb, #fff 20%, transparent) inset;
  backdrop-filter: blur(20px) saturate(1.3);
}

@keyframes buttonGradient {
  0%, 100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.primary-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%,
    rgba(255, 255, 255, 0.3) 50%,
    transparent 100%);
  transition: left 0.6s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 1;
}

.primary-btn:hover::before {
  left: 100%;
}

.primary-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 20px;
  padding: 2px;
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand-violet) calc(0.8 * 100%), transparent),
    color-mix(in srgb, var(--brand-indigo) calc(0.6 * 100%), transparent),
    color-mix(in srgb, var(--brand-cyan) calc(0.8 * 100%), transparent));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
}

.primary-btn:hover::after {
  opacity: 1;
}

.primary-btn:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 6px 20px color-mix(in srgb, var(--brand-violet) calc(0.5 * 100%), transparent),
    0 3px 10px color-mix(in srgb, var(--brand-indigo) calc(0.4 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-violet) calc(0.7 * 100%), transparent) inset;
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand-violet) calc(1 * 100%), transparent) 0%, 
    color-mix(in srgb, var(--brand-indigo) calc(0.95 * 100%), transparent) 50%,
    color-mix(in srgb, var(--brand-violet) calc(1 * 100%), transparent) 100%);
  border-color: color-mix(in srgb, var(--brand-violet) calc(0.8 * 100%), transparent);
}

.primary-btn {
  position: relative;
  overflow: hidden;
}

.primary-btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.primary-btn:active::after {
  width: 300px;
  height: 300px;
  animation: ripple 0.6s ease-out;
}

.primary-btn:active {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 
    0 8px 24px color-mix(in srgb, var(--brand-violet) calc(0.4 * 100%), transparent),
    0 4px 12px color-mix(in srgb, var(--brand-indigo) calc(0.3 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-violet) calc(0.6 * 100%), transparent) inset;
}

/* ========== OTP 显示区域 ========== */
.otp-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.code-display {
  width: 100%;
  max-width: 450px;
  margin: 0 auto;
  background: linear-gradient(135deg, 
    rgba(30, 27, 50, 0.97) 0%, 
    rgba(37, 33, 60, 0.94) 25%,
    color-mix(in srgb, var(--brand-indigo) calc(0.22 * 100%), transparent) 50%,
    rgba(37, 33, 60, 0.94) 75%,
    rgba(30, 27, 50, 0.97) 100%);
  border: 1px solid color-mix(in srgb, var(--brand-indigo) calc(0.65 * 100%), transparent);
  border-radius: 26px;
  padding: 16px 24px;
  text-align: center; 
  cursor: pointer;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: 
    0 12px 36px rgba(10, 8, 20, 0.7),
    0 6px 18px rgba(15, 13, 26, 0.6),
    0 2px 8px color-mix(in srgb, var(--brand-emerald) calc(0.5 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-violet) calc(0.5 * 100%), transparent) inset,
    0 0 40px color-mix(in srgb, var(--brand-indigo) calc(0.22 * 100%), transparent) inset,
    0 -2px 0 color-mix(in srgb, var(--brand-emerald) calc(0.45 * 100%), transparent) inset,
    0 2px 0 color-mix(in srgb, var(--brand-violet) calc(0.3 * 100%), transparent) inset;
  backdrop-filter: blur(35px) saturate(1.4);
}

.code-display:hover {
  transform: translateY(-4px);
  box-shadow: 
    0 16px 48px rgba(10, 8, 20, 0.8),
    0 8px 24px rgba(15, 13, 26, 0.7),
    0 4px 14px color-mix(in srgb, var(--brand-emerald) calc(0.55 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-violet) calc(0.75 * 100%), transparent) inset,
    0 0 55px color-mix(in srgb, var(--brand-indigo) calc(0.35 * 100%), transparent) inset,
    0 -3px 0 color-mix(in srgb, var(--brand-emerald) calc(0.55 * 100%), transparent) inset,
    0 3px 0 color-mix(in srgb, var(--brand-violet) calc(0.35 * 100%), transparent) inset;
  border-color: color-mix(in srgb, var(--brand-violet) calc(0.9 * 100%), transparent);
}

.code-digits span {
  font-size: 64px;
  font-weight: 700;
  color: #d0d0d0;
  letter-spacing: 8px;
  font-family: 'SF Mono', 'Monaco', 'Consolas', 'Courier New', monospace;
  text-shadow: 
    0 2px 8px color-mix(in srgb, var(--brand-indigo) calc(0.4 * 100%), transparent),
    0 1px 4px color-mix(in srgb, var(--brand-violet) calc(0.3 * 100%), transparent),
    0 0 20px color-mix(in srgb, var(--brand-violet) calc(0.2 * 100%), transparent);
  display: inline-block;
  transition: all 0.3s ease;
  animation: numberPulse 2s ease-in-out infinite;
  position: relative;
}

/* 数字变化时的特效类 */
.code-digits span.number-changing {
  animation: numberChange 0.6s ease-in-out, numberPulse 2s ease-in-out infinite;
}

.code-digits span.number-flash {
  animation: numberFlash 0.4s ease-in-out 2, numberPulse 2s ease-in-out infinite;
}

/* 亮色主题下的验证码数字 - 深色以确保清晰可见 */
[data-theme="light"] .code-digits span,
.theme-light .code-digits span {
  color: #0f172a;
  text-shadow: 
    0 2px 8px color-mix(in srgb, var(--brand-indigo) calc(0.25 * 100%), transparent),
    0 1px 4px color-mix(in srgb, var(--brand-violet) calc(0.2 * 100%), transparent),
    0 0 20px color-mix(in srgb, var(--brand-indigo) calc(0.1 * 100%), transparent);
}

/* ========== 进度条 ========== */
.progress-container {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
}

.progress-bar {
  width: 100%;
  height: 14px;
  background: linear-gradient(135deg, 
    rgba(15, 13, 26, 0.95) 0%, 
    rgba(20, 18, 32, 0.92) 50%,
    rgba(15, 13, 26, 0.95) 100%);
  border-radius: 10px;
  overflow: hidden;
  position: relative;
  box-shadow: 
    inset 0 2px 8px rgba(10, 8, 20, 0.8),
    inset 0 1px 2px color-mix(in srgb, var(--brand-indigo) calc(0.2 * 100%), transparent),
    0 2px 12px rgba(10, 8, 20, 0.6),
    0 0 0 1px color-mix(in srgb, var(--brand-indigo) calc(0.3 * 100%), transparent) inset;
}

.progress-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    transparent 0%,
    color-mix(in srgb, var(--brand-indigo) calc(0.1 * 100%), transparent) 50%,
    transparent 100%);
  animation: progressShine 2s ease-in-out infinite;
}

.progress-fill {
  height: 100%;
  border-radius: 10px;
  background: linear-gradient(90deg, 
    color-mix(in srgb, var(--brand-violet) calc(1 * 100%), transparent) 0%, 
    color-mix(in srgb, var(--brand-indigo) calc(0.95 * 100%), transparent) 25%,
    color-mix(in srgb, var(--brand-cyan) calc(1 * 100%), transparent) 50%,
    color-mix(in srgb, var(--brand-indigo) calc(0.95 * 100%), transparent) 75%,
    color-mix(in srgb, var(--brand-violet) calc(1 * 100%), transparent) 100%);
  background-size: 200% 100%;
  animation: progressGradient 3s ease infinite;
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
  width: 100%;
  position: relative;
  overflow: hidden;
  box-shadow: 
    0 0 20px color-mix(in srgb, var(--brand-violet) calc(0.8 * 100%), transparent),
    0 0 40px color-mix(in srgb, var(--brand-indigo) calc(0.5 * 100%), transparent),
    0 0 60px color-mix(in srgb, var(--brand-violet) calc(0.3 * 100%), transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.3),
    inset 0 -1px 0 color-mix(in srgb, var(--brand-emerald) calc(0.5 * 100%), transparent),
    0 2px 8px color-mix(in srgb, var(--brand-violet) calc(0.4 * 100%), transparent);
}

.progress-fill::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent 0%,
    rgba(255, 255, 255, 0.4) 50%,
    transparent 100%);
  animation: progressFlow 2s ease-in-out infinite;
}

/* ========== 提示文本 ========== */
.copy-hint {
  font-size: 13px;
  color: color-mix(in srgb, var(--brand-cyan) calc(0.8 * 100%), transparent);
  font-weight: 500;
  letter-spacing: 0.2px;
  margin-top: 10px;
  transition: all 0.3s ease;
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

.code-display:hover .copy-hint {
  color: color-mix(in srgb, var(--brand-cyan) calc(1 * 100%), transparent);
}

/* 亮色主题下的提示文本 */
[data-theme="light"] .copy-hint,
.theme-light .copy-hint {
  color: color-mix(in srgb, var(--brand-indigo) calc(0.7 * 100%), transparent);
}

[data-theme="light"] .code-display:hover .copy-hint,
.theme-light .code-display:hover .copy-hint {
  color: color-mix(in srgb, var(--brand-indigo) calc(0.85 * 100%), transparent);
}

.refresh-text {
  font-size: 11px;
  color: rgba(120, 120, 120, 0.85);
  font-weight: 500;
  letter-spacing: 0.2px;
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  margin-top: 6px;
}

.error-message {
  color: rgba(220, 38, 38, 0.8);
  font-size: 14px;
  font-weight: 500;
  padding: 8px 16px;
  background: rgba(254, 242, 242, 0.8);
  border-radius: 12px;
  border: 1px solid rgba(220, 38, 38, 0.2);
  margin-top: 8px;
  font-family: 'Outfit', 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

/* ========== 吐司提示 ========== */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, 
    rgba(30, 27, 50, 0.98) 0%, 
    color-mix(in srgb, var(--brand-emerald) calc(0.95 * 100%), transparent) 50%,
    rgba(30, 27, 50, 0.98) 100%);
  color: #f0f0f0;
  padding: 14px 26px;
  border-radius: 16px;
  font-size: 13px;
  font-weight: 600;
  opacity: 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid color-mix(in srgb, var(--brand-indigo) calc(0.65 * 100%), transparent);
  box-shadow: 
    0 12px 32px rgba(10, 8, 20, 0.7),
    0 4px 16px rgba(15, 13, 26, 0.6),
    0 0 0 1px color-mix(in srgb, var(--brand-violet) calc(0.45 * 100%), transparent) inset,
    0 0 30px color-mix(in srgb, var(--brand-indigo) calc(0.35 * 100%), transparent) inset;
  z-index: 1000;
  letter-spacing: 0.3px;
}

/* 防止全局 .toast 影响 hero-flow 复制提示 */
.hero-flow-otp .hero-flow-toast {
  position: absolute !important;
  bottom: 54px !important;
  top: auto !important;
  left: 50% !important;
  transform: translateX(-50%) translateY(6px) !important;
  backdrop-filter: none;
}

.hero-flow-otp .hero-flow-toast.is-visible {
  transform: translateX(-50%) translateY(0) !important;
}

/* ========== 页脚 — 居中玻璃胶囊 ========== */
@keyframes footerLegalSheen {
  0%, 100% { transform: translateX(-28%); opacity: 0.25; }
  50% { transform: translateX(32%); opacity: 0.7; }
}

@keyframes footerMarkPulse {
  0%, 100% { transform: scale(0.92); opacity: 0.7; box-shadow: 0 0 6px color-mix(in srgb, #2dd4bf 35%, transparent); }
  50% { transform: scale(1); opacity: 1; box-shadow: 0 0 12px color-mix(in srgb, #2dd4bf 70%, transparent); }
}

.global-footer {
  margin-top: auto;
  padding: 12px 16px max(16px, env(safe-area-inset-bottom, 16px));
  position: relative;
  background: transparent;
  border: none;
}

.global-footer::before {
  display: none;
}

.footer-inner {
  max-width: none;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
}

.footer-copyright {
  width: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.footer-copyright-ornament {
  display: none;
}

.footer-legal {
  margin: 0;
  position: relative;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.4em 0.55em;
  max-width: calc(100vw - 32px);
  padding: 7px 16px 7px 12px;
  color: var(--text-tertiary);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.35;
  text-align: center;
  border-radius: 999px;
  isolation: isolate;
  border: 1px solid color-mix(in srgb, var(--brand-live-teal, #0d9488) 26%, transparent);
  background:
    linear-gradient(180deg,
      color-mix(in srgb, #fff 10%, transparent),
      color-mix(in srgb, var(--glass-surface) 80%, transparent));
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 28%, transparent) inset,
    0 0 0 1px color-mix(in srgb, var(--brand-live-teal, #0d9488) 8%, transparent),
    0 8px 22px color-mix(in srgb, var(--brand-live-teal, #0d9488) 10%, transparent);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
}

.footer-legal::before {
  content: '';
  position: absolute;
  inset: -20% -40%;
  z-index: 0;
  pointer-events: none;
  background: linear-gradient(
    105deg,
    transparent 28%,
    color-mix(in srgb, #fff 22%, transparent) 48%,
    transparent 64%
  );
  animation: footerLegalSheen 5.5s ease-in-out infinite;
}

.footer-legal > * {
  position: relative;
  z-index: 1;
}

.footer-legal-mark {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(135deg, #5eead4, #0d9488);
  box-shadow: 0 0 8px color-mix(in srgb, #2dd4bf 50%, transparent);
  animation: footerMarkPulse 2.4s ease-in-out infinite;
}

.footer-legal-year {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  color: color-mix(in srgb, var(--text-tertiary) 88%, var(--text-primary));
}

.footer-legal-brand {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--text-secondary);
}

.footer-legal-tld {
  font-weight: 600;
  background: linear-gradient(90deg, #2dd4bf, #0d9488);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.footer-legal-sep {
  opacity: 0.32;
  font-weight: 300;
  user-select: none;
}

.footer-legal-rights {
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: color-mix(in srgb, var(--text-tertiary) 86%, var(--text-secondary));
}

@media (prefers-reduced-motion: reduce) {
  .footer-legal::before,
  .footer-legal-mark {
    animation: none;
  }
}

.main-nav .site-brand {
  flex-shrink: 0;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 4px 10px 4px 4px;
  border-radius: 12px;
  text-decoration: none;
  border: 1px solid transparent;
  background: transparent;
  box-shadow: none;
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  transition:
    border-color 0.22s ease,
    background 0.22s ease,
    transform 0.22s ease,
    box-shadow 0.22s ease;
}

.site-brand:hover {
  border-color: color-mix(in srgb, var(--brand-indigo) 16%, transparent);
  background: color-mix(in srgb, var(--brand-indigo) 4%, transparent);
  transform: translateY(-0.5px);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--brand-indigo) 8%, transparent);
}

.site-brand:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--brand-indigo) 45%, transparent);
  outline-offset: 3px;
}

.site-brand-logo-wrap {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  transition: box-shadow 0.22s ease, transform 0.22s ease;
}

.site-brand:hover .site-brand-logo-wrap {
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--brand-indigo) 22%, transparent),
    0 4px 14px color-mix(in srgb, var(--brand-indigo) 18%, transparent);
}

.site-brand-logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: drop-shadow(0 1px 3px color-mix(in srgb, var(--brand-indigo) 25%, transparent));
}

.site-brand-text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  line-height: 1.15;
  min-width: 0;
}

.site-brand-name {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(
    135deg,
    var(--text-primary) 0%,
    color-mix(in srgb, var(--brand-indigo) 70%, var(--text-primary)) 55%,
    color-mix(in srgb, #22d3ee 65%, var(--text-primary)) 100%
  );
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.site-brand-tld {
  font-weight: 700;
  background: linear-gradient(135deg, var(--brand-indigo) 0%, #22d3ee 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.site-brand-tag {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: color-mix(in srgb, var(--text-tertiary) 88%, var(--brand-indigo));
  opacity: 0.9;
  white-space: nowrap;
  max-width: 11em;
  overflow: hidden;
  text-overflow: ellipsis;
}

.global-footer p {
  margin: 0;
}

@media (max-width: 640px) {
  .global-footer {
    padding: 8px 12px max(12px, env(safe-area-inset-bottom, 12px));
  }

  .footer-legal {
    font-size: 10px;
    padding: 5px 12px;
    gap: 0.25em 0.4em;
  }

  .footer-legal-brand {
    font-size: 11px;
  }

  .footer-legal-rights {
    font-size: 9px;
    letter-spacing: 0.06em;
  }

  .main-nav .site-brand {
    padding: 3px 6px 3px 3px;
    gap: 8px;
  }

  .main-nav .site-brand .site-brand-logo-wrap {
    width: 28px;
    height: 28px;
    border-radius: 8px;
  }

  .main-nav .site-brand .site-brand-name {
    font-size: 13px;
  }
}

/* ========== 亮色主题特殊样式覆盖 ========== */
[data-theme="light"] .main-nav,
.theme-light .main-nav {
  background: var(--nav-bg-1);
  border-bottom-color: var(--border-primary);
  box-shadow:
    0 1px 0 var(--glass-highlight) inset,
    0 10px 32px var(--shadow-2);
}

[data-theme="light"] .nav-links:not(.nav-links-v2),
.theme-light .nav-links:not(.nav-links-v2) {
  background: var(--nav-bg-2);
  border-color: var(--border-primary);
}

[data-theme="dark"] .main-nav,
.theme-dark .main-nav {
  background: var(--glass-surface);
  border-bottom-color: var(--glass-border);
}

[data-theme="dark"] .nav-links:not(.nav-links-v2),
.theme-dark .nav-links:not(.nav-links-v2) {
  background: var(--glass-surface-2);
  border-color: var(--glass-border-bright);
}

[data-theme="light"] .glass-card,
.theme-light .glass-card {
  background: linear-gradient(
    158deg,
    rgba(255, 255, 255, 0.36) 0%,
    color-mix(in srgb, var(--brand-live-cyan) 10%, rgba(255, 255, 255, 0.28)) 38%,
    color-mix(in srgb, var(--brand-indigo) 5%, rgba(255, 255, 255, 0.24)) 72%,
    rgba(255, 255, 255, 0.32) 100%
  );
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.35);
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(1.35);
  border: 1px solid var(--glass-border-bright);
  box-shadow:
    0 1px 0 var(--glass-highlight) inset,
    0 0 0 1px rgba(255, 255, 255, 0.7),
    0 18px 44px var(--shadow-2),
    0 6px 18px var(--shadow-1);
  color: var(--text-primary);
}

[data-theme="light"] .input-wrapper input,
.theme-light .input-wrapper input {
  background: var(--glass-surface-2);
  border: 1px solid var(--glass-border-bright);
  color: var(--text-primary);
}

[data-theme="light"] .input-wrapper input:focus,
.theme-light .input-wrapper input:focus {
  border-color: color-mix(in srgb, var(--brand-indigo) 40%, transparent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 0 0 3px color-mix(in srgb, var(--brand-indigo) 14%, transparent);
}

[data-theme="light"] .index-hero-card .input-wrapper.hero-flow-field input,
.theme-light .index-hero-card .input-wrapper.hero-flow-field input {
  background: transparent !important;
  border: none !important;
  box-shadow: none !important;
  color: #334155;
}

[data-theme="light"] .index-hero-card .input-wrapper.hero-flow-field input::placeholder,
.theme-light .index-hero-card .input-wrapper.hero-flow-field input::placeholder {
  color: color-mix(in srgb, #64748b 75%, transparent);
}

[data-theme="light"] .index-hero-card .input-wrapper.hero-flow-field input:focus,
.theme-light .index-hero-card .input-wrapper.hero-flow-field input:focus {
  border: none !important;
  background: color-mix(in srgb, #f0fdfa 55%, transparent) !important;
  box-shadow: none !important;
}

[data-theme="light"] .index-hero-card .input-wrapper input,
.theme-light .index-hero-card .input-wrapper input {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(99, 102, 241, 0.12);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 4px 16px rgba(15, 23, 42, 0.03);
  color: var(--text-primary);
}

[data-theme="light"] .index-hero-card .input-wrapper input:focus,
.theme-light .index-hero-card .input-wrapper input:focus {
  border-color: rgba(13, 148, 136, 0.45);
  background: #fff;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 0 0 4px rgba(99, 102, 241, 0.10),
    0 8px 24px rgba(99, 102, 241, 0.08);
  transform: none;
  animation: none;
}

[data-theme="light"] .primary-btn,
.theme-light .primary-btn {
  background: linear-gradient(135deg, #14B8A6 0%, #0D9488 50%, #0F766E 100%);
  background-size: 200% 100%;
  border: 1px solid rgba(13, 148, 136, 0.35);
  color: #ffffff;
  box-shadow:
    0 8px 28px rgba(99, 102, 241, 0.28),
    0 2px 8px rgba(79, 70, 229, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

[data-theme="light"] .primary-btn:hover,
.theme-light .primary-btn:hover {
  transform: translateY(-2px);
  box-shadow:
    0 14px 36px rgba(99, 102, 241, 0.34),
    0 4px 12px rgba(79, 70, 229, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
  background: linear-gradient(135deg, #0F766E 0%, #0D9488 50%, #2DD4BF 100%);
  border-color: rgba(13, 148, 136, 0.45);
}

[data-theme="light"] .primary-btn:active,
.theme-light .primary-btn:active {
  transform: translateY(0);
  box-shadow:
    0 4px 16px rgba(99, 102, 241, 0.22),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

[data-theme="light"] .primary-btn::after,
.theme-light .primary-btn::after {
  background: linear-gradient(135deg, rgba(129, 140, 248, 0.5), rgba(34, 211, 238, 0.35));
}

[data-theme="light"] .secondary-btn,
.theme-light .secondary-btn {
  border: 1px solid rgba(99, 102, 241, 0.22);
  background: rgba(255, 255, 255, 0.72);
  color: var(--text-primary);
  box-shadow:
    0 4px 16px rgba(15, 23, 42, 0.04),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .secondary-btn:hover,
.theme-light .secondary-btn:hover {
  background: rgba(99, 102, 241, 0.06);
  box-shadow:
    0 8px 24px rgba(99, 102, 241, 0.10),
    inset 0 1px 0 rgba(255, 255, 255, 0.95);
  border-color: rgba(99, 102, 241, 0.32);
  transform: translateY(-1px);
}

[data-theme="light"] .index-hero-card .primary-btn,
.theme-light .index-hero-card .primary-btn {
  box-shadow:
    0 8px 28px rgba(99, 102, 241, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

[data-theme="light"] .index-hero-card .primary-btn:hover,
.theme-light .index-hero-card .primary-btn:hover {
  box-shadow:
    0 12px 34px rgba(99, 102, 241, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.26);
}

[data-theme="light"] .index-hero-card .input-wrapper::before,
.theme-light .index-hero-card .input-wrapper::before {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.55), rgba(34, 211, 238, 0.45));
}

[data-theme="light"] .global-footer,
.theme-light .global-footer {
  background: transparent;
  border: none;
}

[data-theme="light"] .footer-legal,
.theme-light .footer-legal {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.78));
  border-color: color-mix(in srgb, var(--brand-live-teal, #0d9488) 20%, transparent);
  color: rgba(15, 23, 42, 0.52);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.95) inset,
    0 0 0 1px color-mix(in srgb, var(--brand-live-teal, #0d9488) 8%, transparent),
    0 8px 20px rgba(13, 148, 136, 0.08);
}

[data-theme="light"] .footer-legal-brand,
.theme-light .footer-legal-brand {
  color: rgba(15, 23, 42, 0.72);
}

[data-theme="light"] .footer-legal-rights,
.theme-light .footer-legal-rights {
  color: rgba(95, 99, 104, 0.78);
}

[data-theme="light"] .site-brand,
.theme-light .site-brand {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
}

[data-theme="light"] .site-brand:hover,
.theme-light .site-brand:hover {
  background: color-mix(in srgb, var(--brand-live-cyan) 6%, transparent);
  border-color: color-mix(in srgb, var(--brand-live-teal) 14%, transparent);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--brand-live-teal) 10%, transparent);
}

[data-theme="light"] .site-brand:hover .site-brand-logo-wrap,
.theme-light .site-brand:hover .site-brand-logo-wrap {
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--brand-live-teal) 18%, transparent),
    0 4px 12px color-mix(in srgb, var(--brand-live-cyan) 14%, transparent);
}

[data-theme="light"] .site-brand-tag,
.theme-light .site-brand-tag {
  color: color-mix(in srgb, var(--text-tertiary) 75%, var(--brand-live-teal));
}

[data-theme="light"] .footer-copyright-ornament span,
.theme-light .footer-copyright-ornament span {
  box-shadow: 0 0 8px rgba(99, 102, 241, 0.35);
}

[data-theme="light"] .otp-section-v2 .code-display,
.theme-light .otp-section-v2 .code-display {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(99, 102, 241, 0.12);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 8px 28px rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .code-display,
.theme-light .code-display {
  background: linear-gradient(135deg, 
    var(--card-bg-1) 0%, 
    var(--card-bg-2) 25%,
    color-mix(in srgb, var(--brand-indigo) calc(0.10 * 100%), transparent) 50%,
    var(--card-bg-2) 75%,
    var(--card-bg-1) 100%);
  border: 1px solid var(--border-primary);
  box-shadow: 
    0 4px 12px color-mix(in srgb, var(--brand-indigo) calc(0.06 * 100%), transparent),
    0 2px 6px color-mix(in srgb, var(--brand-indigo) calc(0.04 * 100%), transparent),
    0 1px 3px color-mix(in srgb, var(--brand-indigo) calc(0.03 * 100%), transparent),
    0 0 0 1px var(--border-secondary) inset;
}

/* 亮色主题下的首页卡片 */
[data-theme="light"] .index-hero-card,
.theme-light .index-hero-card {
  backdrop-filter: blur(var(--glass-blur-heavy)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur-heavy)) saturate(var(--glass-saturate));
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.92) inset,
    0 16px 48px var(--shadow-2),
    0 6px 20px var(--shadow-3);
  border: 1px solid var(--glass-border-bright) !important;
}

[data-theme="light"] .index-hero-card:hover,
.theme-light .index-hero-card:hover {
  border-color: color-mix(in srgb, var(--brand-indigo) 24%, transparent) !important;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.95) inset,
    0 20px 56px var(--shadow-2),
    0 0 40px color-mix(in srgb, var(--brand-indigo) 8%, transparent);
}

[data-theme="light"] .index-hero-card .code-display,
.theme-light .index-hero-card .code-display {
  background: transparent;
  border: none;
  box-shadow: none;
}

[data-theme="light"] .index-hero-card .code-display:hover,
.theme-light .index-hero-card .code-display:hover {
  box-shadow: none;
  border: none;
}


/* 亮色主题下的标题文字 - 使用温暖的深棕色系 */
/* 亮色主题下的统一标题样式 */
[data-theme="light"] .app-header h1,
.theme-light .app-header h1,
[data-theme="light"] .info-card h3,
.theme-light .info-card h3,
[data-theme="light"] .results-header h3,
.theme-light .results-header h3,
[data-theme="light"] .form-section h3,
.theme-light .form-section h3,
[data-theme="light"] .info-section h3,
.theme-light .info-section h3 {
  color: var(--brand-indigo);
}

[data-theme="light"] .app-header h1::after,
.theme-light .app-header h1::after {
  background: color-mix(in srgb, var(--brand-violet) calc(0.4 * 100%), transparent);
  box-shadow: none;
}

[data-theme="light"] .info-card h3::after,
.theme-light .info-card h3::after,
[data-theme="light"] .results-header h3::after,
.theme-light .results-header h3::after,
[data-theme="light"] .form-section h3::after,
.theme-light .form-section h3::after,
[data-theme="light"] .info-section h3::after,
.theme-light .info-section h3::after {
  background: color-mix(in srgb, var(--brand-violet) calc(0.5 * 100%), transparent);
}

[data-theme="light"] .tagline,
.theme-light .tagline {
  color: color-mix(in srgb, var(--brand-live-teal) 65%, var(--text-secondary));
}

/* 亮色主题下的卡片标题 */
/* 统一边框样式 */
.info-card h3,
.results-header h3,
.form-section h3,
.info-section h3 {
  border-bottom: 1.5px solid color-mix(in srgb, var(--brand-indigo) calc(0.3 * 100%), transparent);
  padding-bottom: 8px;
}

[data-theme="light"] .info-card h3,
.theme-light .info-card h3,
[data-theme="light"] .results-header h3,
.theme-light .results-header h3,
[data-theme="light"] .form-section h3,
.theme-light .form-section h3,
[data-theme="light"] .info-section h3,
.theme-light .info-section h3 {
  border-bottom-color: color-mix(in srgb, var(--brand-violet) calc(0.25 * 100%), transparent);
}

[data-theme="light"] .theme-toggle-btn:not(.nav-ctrl-btn),
.theme-light .theme-toggle-btn:not(.nav-ctrl-btn) {
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand-indigo) calc(0.75 * 100%), transparent) 0%, 
    color-mix(in srgb, var(--brand-violet) calc(0.70 * 100%), transparent) 25%,
    color-mix(in srgb, var(--brand-violet) calc(0.75 * 100%), transparent) 50%,
    color-mix(in srgb, var(--brand-violet) calc(0.70 * 100%), transparent) 75%,
    color-mix(in srgb, var(--brand-indigo) calc(0.75 * 100%), transparent) 100%);
  background-size: 200% 200%;
  animation: themeButtonGradient 4s ease infinite;
  border: 1.5px solid color-mix(in srgb, var(--brand-indigo) calc(0.40 * 100%), transparent);
  box-shadow: 
    0 4px 16px color-mix(in srgb, var(--brand-indigo) calc(0.15 * 100%), transparent),
    0 2px 8px color-mix(in srgb, var(--brand-indigo) calc(0.12 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-indigo) calc(0.22 * 100%), transparent) inset,
    0 0 30px color-mix(in srgb, var(--brand-indigo) calc(0.10 * 100%), transparent);
}

[data-theme="light"] .theme-toggle-btn:not(.nav-ctrl-btn):hover,
.theme-light .theme-toggle-btn:not(.nav-ctrl-btn):hover {
  transform: scale(1.15) rotate(20deg);
  box-shadow: 
    0 8px 24px color-mix(in srgb, var(--brand-indigo) calc(0.25 * 100%), transparent),
    0 4px 12px color-mix(in srgb, var(--brand-indigo) calc(0.20 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-indigo) calc(0.30 * 100%), transparent) inset,
    0 0 40px color-mix(in srgb, var(--brand-indigo) calc(0.15 * 100%), transparent),
    0 0 60px color-mix(in srgb, var(--brand-violet) calc(0.12 * 100%), transparent);
  border-color: color-mix(in srgb, var(--brand-indigo) calc(0.55 * 100%), transparent);
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand-indigo) calc(0.85 * 100%), transparent) 0%, 
    color-mix(in srgb, var(--brand-violet) calc(0.80 * 100%), transparent) 25%,
    color-mix(in srgb, var(--brand-violet) calc(0.85 * 100%), transparent) 50%,
    color-mix(in srgb, var(--brand-violet) calc(0.80 * 100%), transparent) 75%,
    color-mix(in srgb, var(--brand-indigo) calc(0.85 * 100%), transparent) 100%);
}

[data-theme="light"] .theme-toggle-btn:not(.nav-ctrl-btn):active,
.theme-light .theme-toggle-btn:not(.nav-ctrl-btn):active {
  transform: scale(1.05) rotate(10deg);
  box-shadow: 
    0 4px 12px color-mix(in srgb, var(--brand-indigo) calc(0.20 * 100%), transparent),
    0 2px 6px color-mix(in srgb, var(--brand-indigo) calc(0.15 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-indigo) calc(0.25 * 100%), transparent) inset,
    0 0 25px color-mix(in srgb, var(--brand-indigo) calc(0.12 * 100%), transparent);
}

[data-theme="light"] .theme-icon,
.theme-light .theme-icon {
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.15));
}

/* 亮色主题下的进度条 */
[data-theme="light"] .progress-bar,
.theme-light .progress-bar {
  background: linear-gradient(135deg, 
    rgba(240, 248, 255, 0.95) 0%, 
    rgba(235, 245, 252, 0.92) 50%,
    rgba(240, 248, 255, 0.95) 100%);
  box-shadow: 
    inset 0 2px 8px color-mix(in srgb, var(--brand-indigo) calc(0.15 * 100%), transparent),
    inset 0 1px 2px color-mix(in srgb, var(--brand-indigo) calc(0.1 * 100%), transparent),
    0 2px 12px color-mix(in srgb, var(--brand-indigo) calc(0.08 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-indigo) calc(0.2 * 100%), transparent) inset;
}

[data-theme="light"] .progress-fill,
.theme-light .progress-fill {
  background: linear-gradient(90deg, 
    color-mix(in srgb, var(--brand-violet) calc(0.9 * 100%), transparent) 0%, 
    color-mix(in srgb, var(--brand-indigo) calc(0.85 * 100%), transparent) 25%,
    color-mix(in srgb, var(--brand-indigo) calc(0.9 * 100%), transparent) 50%,
    color-mix(in srgb, var(--brand-indigo) calc(0.85 * 100%), transparent) 75%,
    color-mix(in srgb, var(--brand-violet) calc(0.9 * 100%), transparent) 100%);
  box-shadow: 
    0 0 20px color-mix(in srgb, var(--brand-violet) calc(0.6 * 100%), transparent),
    0 0 40px color-mix(in srgb, var(--brand-indigo) calc(0.4 * 100%), transparent),
    0 0 60px color-mix(in srgb, var(--brand-violet) calc(0.2 * 100%), transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 -1px 0 color-mix(in srgb, var(--brand-violet) calc(0.3 * 100%), transparent),
    0 2px 8px color-mix(in srgb, var(--brand-violet) calc(0.3 * 100%), transparent);
}

[data-theme="light"] .index-hero-card .progress-bar,
.theme-light .index-hero-card .progress-bar {
  background: linear-gradient(135deg, 
    rgba(240, 248, 255, 0.95) 0%, 
    rgba(235, 245, 252, 0.92) 50%,
    rgba(240, 248, 255, 0.95) 100%);
  box-shadow: 
    inset 0 2px 8px color-mix(in srgb, var(--brand-indigo) calc(0.15 * 100%), transparent),
    inset 0 1px 2px color-mix(in srgb, var(--brand-indigo) calc(0.1 * 100%), transparent),
    0 2px 12px color-mix(in srgb, var(--brand-indigo) calc(0.08 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-indigo) calc(0.2 * 100%), transparent) inset;
}

[data-theme="light"] .index-hero-card .progress-fill,
.theme-light .index-hero-card .progress-fill {
  background: linear-gradient(90deg, 
    color-mix(in srgb, var(--brand-violet) calc(0.9 * 100%), transparent) 0%, 
    color-mix(in srgb, var(--brand-indigo) calc(0.85 * 100%), transparent) 25%,
    color-mix(in srgb, var(--brand-indigo) calc(0.9 * 100%), transparent) 50%,
    color-mix(in srgb, var(--brand-indigo) calc(0.85 * 100%), transparent) 75%,
    color-mix(in srgb, var(--brand-violet) calc(0.9 * 100%), transparent) 100%);
  box-shadow: 
    0 0 20px color-mix(in srgb, var(--brand-violet) calc(0.6 * 100%), transparent),
    0 0 40px color-mix(in srgb, var(--brand-indigo) calc(0.4 * 100%), transparent),
    0 0 60px color-mix(in srgb, var(--brand-violet) calc(0.2 * 100%), transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.5),
    inset 0 -1px 0 color-mix(in srgb, var(--brand-violet) calc(0.3 * 100%), transparent),
    0 2px 8px color-mix(in srgb, var(--brand-violet) calc(0.3 * 100%), transparent);
}

/* 亮色主题语言下拉 */
[data-theme="light"] .lang-dropdown,
.theme-light .lang-dropdown {
  background: color-mix(in srgb, #fff 78%, transparent);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  border: 1px solid color-mix(in srgb, #000 8%, transparent);
}

[data-theme="light"] .lang-dropdown-item:hover,
.theme-light .lang-dropdown-item:hover {
  background: color-mix(in srgb, var(--google-blue) 8%, transparent);
}

[data-theme="light"] .lang-dropdown-item.active,
.theme-light .lang-dropdown-item.active {
  background: color-mix(in srgb, var(--google-blue) 12%, transparent);
}

/* 亮色主题下的语言切换按钮 */
[data-theme="light"] .lang-switch-container,
.theme-light .lang-switch-container {
  background: transparent;
  border: none;
  box-shadow: none;
  animation: none;
}

[data-theme="light"] .lang-switch-container:hover,
.theme-light .lang-switch-container:hover {
  box-shadow: none;
  border: none;
  background: transparent;
}

[data-theme="light"] .lang-btn-main,
.theme-light .lang-btn-main {
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.95) 0%,
    rgba(255, 255, 255, 0.90) 100%);
  box-shadow: 
    0 2px 8px rgba(0, 0, 0, 0.08),
    0 0 0 1px color-mix(in srgb, var(--brand-indigo) calc(0.12 * 100%), transparent) inset;
}

[data-theme="light"] .lang-btn-main:hover,
.theme-light .lang-btn-main:hover {
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand-indigo) calc(0.70 * 100%), transparent) 0%,
    color-mix(in srgb, var(--brand-violet) calc(0.65 * 100%), transparent) 100%);
  box-shadow: 
    0 2px 6px color-mix(in srgb, var(--brand-indigo) calc(0.15 * 100%), transparent),
    0 1px 3px color-mix(in srgb, var(--brand-indigo) calc(0.12 * 100%), transparent),
    0 0 0 0.5px color-mix(in srgb, var(--brand-indigo) calc(0.20 * 100%), transparent) inset,
    0 0 12px color-mix(in srgb, var(--brand-indigo) calc(0.10 * 100%), transparent);
}

[data-theme="light"] .lang-btn-main.active,
.theme-light .lang-btn-main.active {
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand-indigo) calc(0.55 * 100%), transparent) 0%,
    color-mix(in srgb, var(--brand-violet) calc(0.50 * 100%), transparent) 50%,
    color-mix(in srgb, var(--brand-indigo) calc(0.55 * 100%), transparent) 100%);
  box-shadow: 
    0 2px 8px color-mix(in srgb, var(--brand-indigo) calc(0.18 * 100%), transparent),
    0 1px 4px color-mix(in srgb, var(--brand-indigo) calc(0.15 * 100%), transparent),
    0 0 0 0.5px color-mix(in srgb, var(--brand-indigo) calc(0.25 * 100%), transparent) inset,
    0 0 15px color-mix(in srgb, var(--brand-indigo) calc(0.12 * 100%), transparent);
}

/* 白天模式 - 子页面通用美化 */
[data-theme="light"] .rate-display,
.theme-light .rate-display {
  background: linear-gradient(135deg, 
    color-mix(in srgb, var(--brand-indigo) calc(0.08 * 100%), transparent) 0%, 
    color-mix(in srgb, var(--brand-violet) calc(0.06 * 100%), transparent) 50%,
    color-mix(in srgb, var(--brand-indigo) calc(0.08 * 100%), transparent) 100%);
  border-color: color-mix(in srgb, var(--brand-violet) calc(0.18 * 100%), transparent);
}

[data-theme="light"] .usdt-rate-card,
.theme-light .usdt-rate-card {
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.92) 0%, 
    rgba(239, 246, 255, 0.88) 50%,
    rgba(255, 255, 255, 0.92) 100%);
  border-color: color-mix(in srgb, var(--brand-indigo) calc(0.35 * 100%), transparent);
  box-shadow: 
    0 8px 32px color-mix(in srgb, var(--brand-violet) calc(0.12 * 100%), transparent),
    0 4px 16px color-mix(in srgb, var(--brand-indigo) calc(0.08 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-indigo) calc(0.15 * 100%), transparent) inset;
}

[data-theme="light"] .usdt-rate-card:hover,
.theme-light .usdt-rate-card:hover {
  border-color: color-mix(in srgb, var(--brand-violet) calc(0.45 * 100%), transparent);
  box-shadow: 
    0 12px 40px color-mix(in srgb, var(--brand-violet) calc(0.16 * 100%), transparent),
    0 6px 20px color-mix(in srgb, var(--brand-indigo) calc(0.12 * 100%), transparent),
    0 0 0 1px color-mix(in srgb, var(--brand-indigo) calc(0.22 * 100%), transparent) inset;
}

[data-theme="light"] .usdt-rate-label-icon,
.theme-light .usdt-rate-label-icon {
  filter: drop-shadow(0 2px 4px color-mix(in srgb, var(--brand-indigo) calc(0.25 * 100%), transparent));
}

[data-theme="light"] .info-item:hover,
.theme-light .info-item:hover {
  background: color-mix(in srgb, var(--brand-indigo) calc(0.06 * 100%), transparent);
}

/* ========== Telegram Bot 悬浮按钮 — Telegram 蓝玻璃胶囊 ========== */
.telegram-bot-float {
  --tg-blue: #229ed9;
  --tg-blue-deep: #1a8ec4;
  position: fixed;
  right: max(18px, env(safe-area-inset-right, 18px));
  bottom: max(18px, env(safe-area-inset-bottom, 18px));
  z-index: 9999;
}

.telegram-bot-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 14px 4px 4px;
  min-height: 44px;
  border: 1px solid color-mix(in srgb, var(--tg-blue) 28%, var(--glass-border, rgba(255,255,255,0.12)));
  border-radius: 999px;
  background: color-mix(in srgb, var(--tg-blue) 8%, var(--glass-surface, rgba(12, 18, 28, 0.72)));
  color: var(--text-primary);
  cursor: pointer;
  font-family: var(--btn-font, 'Outfit', 'DM Sans', system-ui, sans-serif);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-shadow: none;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.16),
    0 10px 28px color-mix(in srgb, var(--tg-blue) 18%, transparent);
  backdrop-filter: blur(16px) saturate(1.2);
  -webkit-backdrop-filter: blur(16px) saturate(1.2);
  transition:
    transform 0.2s var(--fx-ease, ease),
    box-shadow 0.24s ease,
    background 0.24s ease,
    border-color 0.24s ease,
    color 0.2s ease;
  user-select: none;
  position: relative;
  overflow: visible;
  isolation: isolate;
}

.telegram-bot-button::after {
  display: none;
}

.telegram-bot-pulse {
  position: absolute;
  inset: -3px;
  border-radius: inherit;
  border: 1px solid color-mix(in srgb, var(--tg-blue) 45%, transparent);
  box-shadow: none;
  pointer-events: none;
  z-index: 0;
  animation: tgBotPulse 3.2s ease-out infinite;
}

.telegram-bot-pulse--delay {
  animation-delay: 1.6s;
  inset: -1px;
  border-color: color-mix(in srgb, var(--tg-blue) 28%, transparent);
}

@keyframes tgBotPulse {
  0% {
    transform: scale(1);
    opacity: 0.75;
  }
  65% {
    transform: scale(1.14);
    opacity: 0.12;
  }
  100% {
    transform: scale(1.18);
    opacity: 0;
  }
}

.telegram-bot-float.is-open .telegram-bot-pulse {
  animation-play-state: paused;
  opacity: 0;
}

.telegram-bot-icon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.28), transparent 42%),
    linear-gradient(165deg, #54bceb 0%, #229ED9 52%, #1a86c4 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.38),
    inset 0 -1px 0 rgba(10, 90, 130, 0.18),
    0 4px 10px rgba(34, 158, 217, 0.32);
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  overflow: visible;
  padding: 0;
  transition: transform 0.2s var(--fx-ease, ease), box-shadow 0.2s ease;
}

.telegram-bot-logo {
  display: block;
  width: 18px;
  height: 18px;
  object-fit: contain;
  transform: translate(0.5px, 0.5px);
  filter: drop-shadow(0 1px 1px rgba(8, 47, 73, 0.28));
  pointer-events: none;
}

.telegram-bot-online {
  position: absolute;
  top: 1px;
  right: 1px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #34d399;
  border: 1.5px solid #fff;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--tg-blue, #229ed9) 40%, transparent);
  z-index: 3;
  animation: none;
}

@keyframes tgBotOnline {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.08); opacity: 0.88; }
}

.telegram-bot-icon-wrap svg {
  width: 18px;
  height: 18px;
  display: block;
  filter: drop-shadow(0 1px 1px rgba(4, 47, 46, 0.2));
}

.telegram-bot-label {
  white-space: nowrap;
  padding-right: 2px;
  position: relative;
  z-index: 2;
}

.telegram-bot-button:hover,
.telegram-bot-float.is-open .telegram-bot-button {
  transform: translateY(-2px);
  color: var(--text-primary);
  background: color-mix(in srgb, var(--tg-blue) 14%, var(--glass-surface, rgba(12, 18, 28, 0.8)));
  border-color: color-mix(in srgb, var(--tg-blue) 48%, transparent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.2),
    0 12px 32px color-mix(in srgb, var(--tg-blue) 26%, transparent);
  filter: none;
}

.telegram-bot-button:hover .telegram-bot-icon-wrap,
.telegram-bot-float.is-open .telegram-bot-button .telegram-bot-icon-wrap {
  transform: translateY(-1px);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.45),
    0 6px 14px rgba(34, 158, 217, 0.42);
}

.telegram-bot-button:active {
  transform: translateY(0);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 6px 16px color-mix(in srgb, var(--tg-blue) 16%, transparent);
}

.telegram-bot-qr {
  position: absolute;
  bottom: calc(100% + 12px);
  right: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px) scale(0.96);
  transition:
    opacity 0.26s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.26s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0.26s;
  pointer-events: none;
}

.telegram-bot-float:hover .telegram-bot-qr,
.telegram-bot-float.is-open .telegram-bot-qr {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.telegram-bot-qr-content {
  width: 212px;
  padding: 14px;
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--tg-blue, #229ed9) 16%, var(--glass-border-bright));
  background:
    linear-gradient(160deg,
      color-mix(in srgb, var(--tg-blue, #229ed9) 8%, var(--glass-surface)) 0%,
      var(--glass-surface) 100%);
  backdrop-filter: blur(18px) saturate(1.35);
  -webkit-backdrop-filter: blur(18px) saturate(1.35);
  box-shadow:
    0 16px 40px var(--shadow-3),
    0 6px 18px color-mix(in srgb, var(--btn-teal) 14%, transparent);
}

.telegram-bot-qr-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.telegram-bot-qr-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
  padding: 0;
  background: #229ED9;
  border: none;
  box-shadow: none;
}

.telegram-bot-qr-badge img {
  display: block;
  width: 36px;
  height: 36px;
}

.telegram-bot-qr-head-text {
  min-width: 0;
  text-align: left;
}

.telegram-bot-qr-title {
  font-size: 12.5px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.telegram-bot-qr-sub {
  margin-top: 2px;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-tertiary);
  letter-spacing: 0.04em;
}

.telegram-bot-qr-frame {
  padding: 10px;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--tg-blue, #229ed9) 12%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--tg-blue, #229ed9) 6%, transparent);
}

.telegram-bot-qr-image,
.telegram-bot-qr-image svg {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

.telegram-bot-qr-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: 100%;
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: var(--btn-radius-pill);
  text-decoration: none;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--tg-blue, #229ed9);
  background: color-mix(in srgb, var(--tg-blue, #229ed9) 8%, transparent);
  border: 1px solid color-mix(in srgb, var(--tg-blue, #229ed9) 22%, transparent);
  transition: background 0.15s ease, transform 0.15s ease, color 0.15s ease;
}

.telegram-bot-qr-link:hover {
  color: #fff;
  background: linear-gradient(180deg, #229ed9, #1a8ec4);
  border-color: #1a8ec4;
  transform: none;
}

.telegram-bot-qr-link-icon img {
  display: block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
}

.telegram-bot-qr-tail {
  position: absolute;
  right: 22px;
  bottom: -6px;
  width: 12px;
  height: 12px;
  background: var(--glass-surface);
  border-right: 1px solid color-mix(in srgb, var(--tg-blue, #229ed9) 16%, var(--glass-border-bright));
  border-bottom: 1px solid color-mix(in srgb, var(--tg-blue, #229ed9) 16%, var(--glass-border-bright));
  transform: rotate(45deg);
  box-shadow: 4px 4px 10px color-mix(in srgb, var(--tg-blue, #229ed9) 10%, transparent);
}

[data-theme="light"] .telegram-bot-button,
.theme-light .telegram-bot-button {
  color: #0f172a;
  background: color-mix(in srgb, #229ed9 7%, #ffffff);
  border-color: color-mix(in srgb, #229ed9 22%, #e2e8f0);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    0 10px 24px rgba(34, 158, 217, 0.18);
}

[data-theme="light"] .telegram-bot-button:hover,
.theme-light .telegram-bot-button:hover,
[data-theme="light"] .telegram-bot-float.is-open .telegram-bot-button,
.theme-light .telegram-bot-float.is-open .telegram-bot-button {
  color: #0f172a;
  background: color-mix(in srgb, #229ed9 12%, #ffffff);
  border-color: color-mix(in srgb, #229ed9 38%, #cbd5e1);
  box-shadow:
    inset 0 1px 0 #fff,
    0 14px 28px rgba(34, 158, 217, 0.22);
}

[data-theme="light"] .telegram-bot-qr-content,
.theme-light .telegram-bot-qr-content {
  background:
    linear-gradient(160deg,
      color-mix(in srgb, #229ed9 6%, #fff) 0%,
      color-mix(in srgb, #fff 94%, transparent) 100%);
}

[data-theme="light"] .telegram-bot-qr-tail,
.theme-light .telegram-bot-qr-tail {
  background: color-mix(in srgb, #fff 94%, transparent);
}

[data-theme="light"] .telegram-bot-qr-link,
.theme-light .telegram-bot-qr-link {
  color: #1578a8;
  background: color-mix(in srgb, #229ed9 8%, #fff);
  border-color: color-mix(in srgb, #229ed9 22%, #e2e8f0);
}

@media (prefers-reduced-motion: reduce) {
  .telegram-bot-pulse,
  .telegram-bot-online {
    animation: none !important;
  }

  .telegram-bot-pulse {
    opacity: 0.35;
    transform: scale(1.04);
  }
}

@media (max-width: 768px) {
  .telegram-bot-float {
    right: max(12px, env(safe-area-inset-right, 12px));
    bottom: max(12px, env(safe-area-inset-bottom, 12px));
  }

  .telegram-bot-button {
    min-height: 42px;
    padding: 0;
    width: 42px;
    justify-content: center;
    border-radius: 50%;
  }

  .telegram-bot-label {
    display: none;
  }

  .telegram-bot-icon-wrap {
    width: 42px;
    height: 42px;
  }

  .telegram-bot-logo {
    width: 22px;
    height: 22px;
  }

  .telegram-bot-online {
    top: 3px;
    right: 3px;
  }

  .telegram-bot-qr {
    right: -4px;
    bottom: calc(100% + 10px);
  }

  .telegram-bot-qr-content {
    width: 196px;
    padding: 12px;
    border-radius: 16px;
  }

  .telegram-bot-qr-title {
    font-size: 11.5px;
  }

  .telegram-bot-qr-frame {
    padding: 8px;
  }
}

@media (max-width: 480px) {
  .telegram-bot-button {
    width: 40px;
    min-height: 40px;
  }

  .telegram-bot-icon-wrap {
    width: 40px;
    height: 40px;
  }

  .telegram-bot-qr-content {
    width: 184px;
  }
}

/* ========== 响应式设计 ========== */
/* Datalist 下拉列表样式 - 透明背景 */
datalist {
  background: transparent !important;
  background-color: transparent !important;
  border: none !important;
}

datalist option {
  background: transparent !important;
  background-color: transparent !important;
  color: var(--text-primary) !important;
  padding: 8px 12px !important;
  border: none !important;
}

/* 针对不同浏览器的下拉列表样式 */
input[list]::-webkit-calendar-picker-indicator {
  opacity: 1;
}

/* 确保下拉选项背景透明 */
input[list]::-webkit-list-button,
input[list]::-webkit-calendar-picker-indicator {
  background: transparent !important;
}

/* 下拉列表容器透明 */
input[list] + datalist {
  background: transparent !important;
  background-color: transparent !important;
}

@media (max-width: 768px) {
  /* 移动端基础样式优化 */
  html {
    font-size: 14px;
  }
  
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
  
  .nav-container {
    padding: 8px 10px;
    gap: 8px;
  }

  .nav-item {
    padding: 5px 8px 5px 5px;
    font-size: 11px;
    gap: 5px;
  }

  .nav-icon-chip {
    width: 26px;
    height: 26px;
    border-radius: 8px;
  }

  .nav-icon {
    width: 16px;
    height: 16px;
  }

  .nav-label {
    max-width: 72px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .container,
  .container.index-page,
  .container.tool-hub-wrap,
  .container.tools-index-wrap,
  .container.tool-page-wrap,
  .container.ip-hub-wrap {
    padding:
      max(14px, env(safe-area-inset-top, 14px))
      max(12px, env(safe-area-inset-left, 12px))
      max(24px, env(safe-area-inset-bottom, 24px))
      max(12px, env(safe-area-inset-right, 12px));
    min-height: 100vh;
  }

  .glass-card,
  .page-main-card {
    padding: 24px 16px;
    border-radius: 24px 16px 20px 14px;
    margin-bottom: 16px;
    min-height: auto;
  }
  
  .app-header {
    margin-bottom: 20px;
  }
  
  .app-header h1 {
    font-size: 20px;
    line-height: 1.3;
    margin-bottom: 8px;
  }
  
  .tagline {
    font-size: 13px;
    line-height: 1.4;
  }
  
  .code-digits span {
    font-size: 36px;
    letter-spacing: 3px;
    line-height: 1.2;
  }
  
  [data-theme="light"] .code-digits span,
  .theme-light .code-digits span {
    color: #0f172a;
  }
  
  [data-theme="light"] .index-hero-card .code-digits span,
  .theme-light .index-hero-card .code-digits span {
    font-size: 42px;
  }

  /* 移动端让表单区域更贴边，按钮/输入框更好排版 */
  .app-main {
    align-items: stretch;
    gap: 16px;
  }

  .input-group {
    max-width: 100%;
    width: 100%;
  }
  
  .input-wrapper {
    max-width: 100%;
    width: 100%;
  }
  
  .input-wrapper input {
    width: 100%;
    font-size: 14px;
    padding: 12px 16px;
  }

  .button-wrapper {
    margin-top: 12px;
    width: 100%;
  }
  
  .primary-btn {
    width: 100%;
    padding: 14px 20px;
    font-size: 15px;
  }
  
  /* 移动端卡片间距优化 */
  .index-hero-card {
    margin-bottom: 16px;
  }
  
  /* 移动端代码显示区域 */
  .code-display {
    padding: 20px 16px;
    margin-top: 16px;
  }

  .otp-section-v2 {
    max-width: 100%;
  }

  .index-hero-card .otp-section-v2 .code-digits .code-value,
  .otp-section-v2 .code-value,
  .otp-section-v2 .code-value-demo {
    font-size: 22px;
    letter-spacing: 0.2em;
  }

  .otp-section-v2 .code-digits {
    padding: 7px 12px;
  }

  .otp-section-v2 .code-display-inner {
    padding: 12px 14px 10px;
  }
  
  /* 移动端语言和主题按钮 */
  .lang-toggle,
  .theme-toggle {
    padding: 8px 12px;
    font-size: 12px;
  }
  
  .control-chip-btn,
  .theme-toggle-btn:not(.nav-ctrl-btn),
  .lang-btn-main {
    width: 36px;
    height: 36px;
    min-width: 36px;
  }

  .control-icon-chip {
    width: 22px;
    height: 22px;
  }

  .lang-flag-chip {
    width: 20px;
    height: 20px;
  }
  
  .theme-icon,
  .lang-flag-icon {
    width: 20px;
    height: 20px;
  }
  
  .theme-toggle-btn:not(.nav-ctrl-btn):hover {
    transform: scale(1.05);
  }
  
  .theme-toggle-btn:not(.nav-ctrl-btn):active {
    transform: scale(0.95);
  }
  
  /* 移动端语言切换优化 */
  .lang-switch {
    margin-left: 12px;
  }
  
  .lang-btn-main {
    min-width: 38px;
    height: 32px;
    padding: 0 10px;
    font-size: 14px;
  }
  
  .lang-flag-icon {
    width: 18px;
    height: 18px;
  }
  
  .lang-dropdown {
    min-width: 132px;
    padding: 4px;
    top: calc(100% + 6px);
  }
  
  .lang-dropdown-item {
    padding: 8px 10px;
    font-size: 13px;
    border-radius: 8px;
    margin-bottom: 4px;
  }
  
  .lang-dropdown-item-flag {
    width: 16px;
    height: 16px;
    margin-right: 8px;
  }
  
  .lang-dropdown-item-name {
    font-size: 12px;
  }
  
  /* 移动端导航控制区域优化 */
  .nav-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
  }
  
  /* 移动端导航菜单优化 */
  .main-nav {
    padding: 8px 0;
  }
  
  /* 移动端全局页脚 */
  .global-footer {
    padding: 8px 10px max(10px, env(safe-area-inset-bottom, 10px));
  }
  
  /* 移动端工具卡片 */
  .tool-card {
    padding: 20px 16px;
    margin-bottom: 12px;
  }
  
  .tool-card h3 {
    font-size: 16px;
    margin-bottom: 12px;
  }
  
  /* 移动端输入框组 */
  .input-group {
    gap: 12px;
  }
  
  /* 移动端按钮组 */
  .button-group {
    flex-direction: column;
    gap: 10px;
  }
  
  .button-group .primary-btn,
  .button-group .secondary-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  /* 小屏手机优化 */
  html {
    font-size: 13px;
  }
  
  .container,
  .container.index-page,
  .container.tool-hub-wrap,
  .container.tools-index-wrap,
  .container.tool-page-wrap,
  .container.ip-hub-wrap {
    padding: 12px max(10px, env(safe-area-inset-left, 10px)) max(20px, env(safe-area-inset-bottom, 20px)) max(10px, env(safe-area-inset-right, 10px));
  }
  
  .glass-card {
    padding: 20px 14px;
    border-radius: 18px;
  }
  
  .app-header h1 {
    font-size: 18px;
    line-height: 1.3;
  }
  
  .tagline {
    font-size: 12px;
  }
  
  .code-digits span {
    font-size: 32px;
    letter-spacing: 2px;
  }
  
  [data-theme="light"] .code-digits span,
  .theme-light .code-digits span {
    color: #0f172a;
  }
  
  [data-theme="light"] .index-hero-card .code-digits span,
  .theme-light .index-hero-card .code-digits span {
    font-size: 36px;
  }
  
  .nav-container {
    padding: 6px 8px;
    gap: 6px;
  }
  
  .nav-item {
    padding: 5px;
    font-size: 10px;
    gap: 0;
  }

  .nav-label {
    display: none;
  }

  .nav-icon-chip {
    width: 30px;
    height: 30px;
  }

  .nav-controls-divider {
    display: none;
  }
  
  .input-wrapper input {
    font-size: 13px;
    padding: 11px 14px;
  }
  
  .primary-btn {
    padding: 13px 18px;
    font-size: 14px;
  }
  
  .code-display {
    padding: 18px 14px;
  }
  
  .tool-card {
    padding: 18px 14px;
  }
  
  .tool-card h3 {
    font-size: 15px;
  }
  
  /* 小屏手机特殊优化 */
  .app-main {
    gap: 14px;
  }
  
  .button-wrapper {
    margin-top: 10px;
  }
  
  .global-footer {
    padding: 10px max(10px, env(safe-area-inset-left, 10px)) max(10px, env(safe-area-inset-bottom, 10px));
  }
  
  /* 小屏手机主题切换按钮 */
  .theme-toggle-btn:not(.nav-ctrl-btn) {
    width: 32px;
    height: 32px;
    border-width: 1px;
    box-shadow: 
      0 1px 4px color-mix(in srgb, var(--brand-indigo) calc(0.12 * 100%), transparent),
      0 1px 2px color-mix(in srgb, var(--brand-violet) calc(0.10 * 100%), transparent),
      0 0 0 0.5px color-mix(in srgb, var(--brand-indigo) calc(0.10 * 100%), transparent) inset;
  }
  
  .theme-icon {
    width: 16px;
    height: 16px;
  }
  
  .theme-toggle-btn:not(.nav-ctrl-btn):hover {
    transform: scale(1.05);
  }
  
  .theme-toggle-btn:not(.nav-ctrl-btn):active {
    transform: scale(0.95);
  }
  
  /* 小屏手机语言切换 */
  .lang-switch {
    margin-left: 8px;
  }
  
  .lang-btn-main {
    min-width: 34px;
    height: 30px;
    padding: 0 8px;
    font-size: 12px;
  }
  
  .lang-flag-icon {
    width: 16px;
    height: 16px;
  }
  
  .lang-dropdown {
    min-width: 128px;
    padding: 4px;
    top: calc(100% + 5px);
  }
  
  .lang-dropdown-item {
    padding: 6px 8px;
    font-size: 12px;
    border-radius: 6px;
    margin-bottom: 3px;
  }
  
  .lang-dropdown-item-flag {
    width: 14px;
    height: 14px;
    margin-right: 6px;
  }
  
  .lang-dropdown-item-name {
    font-size: 11px;
  }
  
  /* 小屏手机导航控制区域 */
  .nav-controls {
    gap: 6px;
  }
  
  /* 小屏手机首页输入框强制全宽 */
  .index-hero-card .input-group {
    max-width: 100% !important;
    width: 100% !important;
  }
  
  .index-hero-card .input-wrapper {
    max-width: 100% !important;
    width: 100% !important;
  }
  
  .index-hero-card .input-wrapper input {
    width: 100% !important;
    max-width: 100% !important;
  }

  [data-theme="light"] .index-hero-card .code-digits span,
  .theme-light .index-hero-card .code-digits span {
    font-size: 36px;
  }

  .logo {
    width: 60px;
    height: 60px;
  }

  .logo svg {
    width: 30px;
    height: 30px;
  }

  /* 小屏下输入框和按钮垂直排布，方便点击 */
  .input-wrapper {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .primary-btn,
  .secondary-btn {
    width: 100%;
    justify-content: center;
  }

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

/* ========== 2FA 快捷引导（内嵌主卡片） ========== */
.quick-help {
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid color-mix(in srgb, var(--accent-primary) 18%, transparent);
  max-width: 480px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
}

.index-hero-help {
  margin-top: 0;
  padding: 18px 0 2px;
  border-top: 1px solid color-mix(in srgb, var(--text-primary) 6%, transparent);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0;
  max-width: 520px;
  width: 100%;
  background: transparent;
  border-left: none;
  border-right: none;
  border-bottom: none;
  border-radius: 0;
  box-shadow: none;
}

.hero-tutorial-link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  pointer-events: auto;
  padding: 9px 20px;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 38%, transparent);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--brand-live-teal) 16%, rgba(255, 255, 255, 0.08)) 0%,
    color-mix(in srgb, var(--brand-live-teal) 8%, rgba(255, 255, 255, 0.04)) 100%
  );
  backdrop-filter: blur(10px) saturate(1.15);
  -webkit-backdrop-filter: blur(10px) saturate(1.15);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 18%, transparent),
    0 4px 14px color-mix(in srgb, var(--brand-live-teal) 14%, transparent);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1;
  color: color-mix(in srgb, var(--brand-live-teal) 92%, var(--text-primary));
  cursor: pointer;
  transition:
    transform 0.2s var(--fx-ease),
    color 0.22s ease,
    border-color 0.22s ease,
    box-shadow 0.22s ease,
    background 0.22s ease;
  -webkit-tap-highlight-color: transparent;
}

.hero-tutorial-link-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  color: var(--brand-live-teal);
  background: color-mix(in srgb, var(--brand-live-teal) 14%, transparent);
  transition: color 0.22s ease, transform 0.22s ease, background 0.22s ease;
}

.hero-tutorial-link-icon svg {
  width: 14px;
  height: 14px;
}

.hero-tutorial-link-text {
  border-bottom: none;
}

.hero-tutorial-link:hover,
.hero-tutorial-link.is-open {
  color: var(--brand-live-teal);
  border-color: color-mix(in srgb, var(--brand-live-teal) 52%, transparent);
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--brand-live-teal) 22%, rgba(255, 255, 255, 0.1)) 0%,
    color-mix(in srgb, var(--brand-live-teal) 12%, rgba(255, 255, 255, 0.06)) 100%
  );
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 24%, transparent),
    0 6px 20px color-mix(in srgb, var(--brand-live-teal) 20%, transparent);
  transform: translateY(-1px);
}

.hero-tutorial-link:hover .hero-tutorial-link-icon,
.hero-tutorial-link.is-open .hero-tutorial-link-icon {
  color: #fff;
  background: color-mix(in srgb, var(--brand-live-teal) 78%, #0d9488);
  transform: scale(1.05);
}

.hero-tutorial-link:active {
  transform: translateY(0);
}

.index-hero-help .quick-help-hint {
  margin: 0;
  flex: 1 1 160px;
  font-size: 12px;
  line-height: 1.45;
  color: var(--text-tertiary);
  text-align: left;
}

.index-hero-help .quick-help-actions {
  gap: 6px;
  flex-shrink: 0;
}

.quick-help-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.quick-help-hint {
  margin: 0;
  flex: 1 1 180px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--text-tertiary);
  text-align: left;
}

.quick-help-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.quick-help-demo-btn {
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 600;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
  box-shadow: 0 2px 10px color-mix(in srgb, var(--accent-primary) 35%, transparent);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.quick-help-demo-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px color-mix(in srgb, var(--accent-primary) 45%, transparent);
}

.quick-help-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 7px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid var(--border-tertiary);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}

.quick-help-toggle:hover {
  color: var(--text-primary);
  border-color: var(--border-primary);
  background: color-mix(in srgb, var(--accent-primary) 8%, transparent);
}

.quick-help-chevron {
  transition: transform 0.25s ease;
  opacity: 0.7;
}

.quick-help-toggle.is-open .quick-help-chevron {
  transform: rotate(180deg);
}

.quick-help-panel {
  margin-top: 14px;
  padding: 14px 16px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--accent-primary) 6%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent-primary) 12%, transparent);
  animation: helpPanelIn 0.25s ease-out;
}

@keyframes helpPanelIn {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

.quick-help-steps {
  margin: 0;
  padding: 0 0 0 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.quick-help-steps li {
  font-size: 12px;
  line-height: 1.55;
  color: var(--text-secondary);
}

.quick-help-steps li::marker {
  color: var(--accent-primary);
  font-weight: 700;
}

.tutorial-highlight {
  animation: tutorialPulse 1.2s ease-in-out 2;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-primary) 45%, transparent) !important;
}

@keyframes tutorialPulse {
  0%, 100% {
    box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent-primary) 40%, transparent);
  }
  50% {
    box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent-primary) 15%, transparent);
  }
}

/* —— 分步引导教程 —— */
.tutorial-tour {
  position: fixed;
  inset: 0;
  z-index: 1200;
  pointer-events: none;
}

.tutorial-tour.is-active {
  pointer-events: auto;
}

.tutorial-tour-mask {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.34);
  backdrop-filter: blur(3px);
  pointer-events: auto;
  animation: tutorialMaskIn 0.35s ease both;
}

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

[data-theme="light"] .tutorial-tour-mask,
.theme-light .tutorial-tour-mask {
  background: rgba(15, 23, 42, 0.22);
}

.tutorial-tour-ring {
  position: fixed;
  z-index: 1201;
  border-radius: 16px;
  pointer-events: none;
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--brand-live-teal) 55%, #fff),
    0 0 0 9999px rgba(15, 23, 42, 0.34),
    0 10px 32px color-mix(in srgb, var(--brand-live-cyan) 22%, transparent);
  transition: top 0.32s cubic-bezier(0.22, 1, 0.36, 1), left 0.32s cubic-bezier(0.22, 1, 0.36, 1), width 0.32s cubic-bezier(0.22, 1, 0.36, 1), height 0.32s cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="light"] .tutorial-tour-ring,
.theme-light .tutorial-tour-ring {
  box-shadow:
    0 0 0 2px color-mix(in srgb, var(--brand-live-teal) 50%, #fff),
    0 0 0 9999px rgba(15, 23, 42, 0.22),
    0 8px 28px color-mix(in srgb, var(--brand-live-cyan) 18%, transparent);
}

.tutorial-target-active {
  position: relative;
  z-index: 1202;
}

.tutorial-tour-popover {
  position: fixed;
  z-index: 1203;
  width: min(320px, calc(100vw - 24px));
  padding: 16px 16px 14px;
  border-radius: 18px;
  border: 1px solid color-mix(in srgb, var(--brand-live-teal) 14%, var(--glass-border-bright));
  background: color-mix(in srgb, var(--glass-surface) 96%, var(--brand-live-cyan) 4%);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  box-shadow:
    0 1px 0 color-mix(in srgb, #fff 40%, transparent) inset,
    0 20px 48px color-mix(in srgb, var(--brand-indigo) 12%, transparent);
  pointer-events: auto;
  animation: tutorialPopoverIn 0.32s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes tutorialPopoverIn {
  from {
    opacity: 0;
    transform: translateY(8px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

[data-theme="light"] .tutorial-tour-popover,
.theme-light .tutorial-tour-popover {
  background: color-mix(in srgb, #fff 94%, var(--brand-live-cyan) 6%);
  border-color: color-mix(in srgb, var(--brand-live-teal) 18%, transparent);
}

.tutorial-tour-popover-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.tutorial-tour-progress {
  display: flex;
  align-items: center;
  gap: 6px;
}

.tutorial-tour-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--text-primary) 12%, transparent);
  transition: background 0.25s ease, transform 0.25s ease, width 0.25s ease;
}

.tutorial-tour-dot.is-done {
  background: color-mix(in srgb, var(--brand-live-teal) 45%, transparent);
}

.tutorial-tour-dot.is-active {
  width: 18px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brand-live-teal), var(--brand-cyan));
  transform: scale(1);
}

.tutorial-tour-badge {
  display: none;
}

.tutorial-tour-x {
  width: 26px;
  height: 26px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-tertiary);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.tutorial-tour-x:hover {
  background: color-mix(in srgb, var(--brand-indigo) 8%, transparent);
  color: var(--text-primary);
}

.tutorial-tour-greeting {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.45;
  color: color-mix(in srgb, var(--brand-live-teal) 82%, var(--text-secondary));
}

.tutorial-tour-body {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-secondary);
}

.tutorial-tour-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.tutorial-tour-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.tutorial-tour-skip {
  padding: 6px 0;
  border: none;
  background: transparent;
  color: var(--text-tertiary);
  font-weight: 500;
}

.tutorial-tour-skip:hover:not(:disabled) {
  color: var(--text-secondary);
  background: transparent;
  border-color: transparent;
}

.tutorial-tour-btn {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid var(--glass-border-bright);
  background: var(--glass-surface-2);
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.tutorial-tour-btn:hover:not(:disabled) {
  color: var(--text-primary);
  border-color: var(--border-primary);
}

.tutorial-tour-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.tutorial-tour-next {
  background: linear-gradient(135deg, var(--brand-live-teal), var(--brand-cyan));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 3px 12px color-mix(in srgb, var(--brand-live-teal) 24%, transparent);
}

.tutorial-tour-next:hover:not(:disabled) {
  color: #fff;
  filter: brightness(1.05);
  box-shadow: 0 4px 16px color-mix(in srgb, var(--brand-live-teal) 30%, transparent);
}

.hero-tutorial-link.is-open {
  color: var(--brand-live-teal);
  border-color: color-mix(in srgb, var(--brand-live-teal) 55%, transparent);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 22%, transparent),
    0 0 0 3px color-mix(in srgb, var(--brand-live-teal) 12%, transparent),
    0 6px 20px color-mix(in srgb, var(--brand-live-teal) 18%, transparent);
}

[data-theme="light"] .hero-tutorial-link,
.theme-light .hero-tutorial-link {
  color: #0f766e;
  border-color: color-mix(in srgb, #14b8a6 32%, transparent);
  background: linear-gradient(180deg, #f0fdfa 0%, #ecfdf5 100%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    0 4px 14px color-mix(in srgb, #14b8a6 10%, transparent);
}

[data-theme="light"] .hero-tutorial-link:hover,
[data-theme="light"] .hero-tutorial-link.is-open,
.theme-light .hero-tutorial-link:hover,
.theme-light .hero-tutorial-link.is-open {
  color: #0d9488;
  border-color: color-mix(in srgb, #14b8a6 45%, transparent);
  background: linear-gradient(180deg, #ecfdf5 0%, #ccfbf1 100%);
}

[data-theme="light"] .hero-tutorial-link-icon,
.theme-light .hero-tutorial-link-icon {
  color: #0f766e;
  background: color-mix(in srgb, #14b8a6 12%, #fff);
}

[data-theme="light"] .hero-tutorial-link:hover .hero-tutorial-link-icon,
[data-theme="light"] .hero-tutorial-link.is-open .hero-tutorial-link-icon,
.theme-light .hero-tutorial-link:hover .hero-tutorial-link-icon,
.theme-light .hero-tutorial-link.is-open .hero-tutorial-link-icon {
  color: #fff;
  background: linear-gradient(180deg, #14b8a6, #0d9488);
}


[data-theme="light"] .quick-help-hint,
.theme-light .quick-help-hint {
  color: rgba(15, 23, 42, 0.55);
}

@media (max-width: 640px) {
  .index-hero-help {
    flex-direction: column;
    gap: 8px;
  }

  .quick-help-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .quick-help-hint {
    text-align: center;
  }

  .quick-help-actions {
    justify-content: center;
  }
}