/* ================================================
   Bright Glassmorphism Design System
   Theme: Fresh Gradient + Frosted Glass + Dynamic Interactions
   舒适明亮 · 渐变呼吸 · 动态交互
   ================================================ */

:root {
  /* Text Colors - 高对比度深色文字 */
  --text-primary: #1a365d;
  --text-secondary: #4a5568;
  --text-muted: #718096;
  --text-bright: #2d3748;

  /* Fresh Background Colors - 明亮渐变基底 */
  --bg-gradient-start: #e0f2fe;
  --bg-gradient-mid-1: #dbeafe;
  --bg-gradient-mid-2: #e0e7ff;
  --bg-gradient-mid-3: #f0fdf4;
  --bg-gradient-end: #fdf4ff;

  /* Glass Card Backgrounds - 通透玻璃 */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-bg-strong: rgba(255, 255, 255, 0.82);
  --glass-bg-hover: rgba(255, 255, 255, 0.92);

  /* Glass Borders - 柔和边框 */
  --glass-border: rgba(99, 149, 255, 0.18);
  --glass-border-strong: rgba(99, 149, 255, 0.35);
  --glass-border-glow: rgba(129, 180, 255, 0.5);

  /* Fresh Accent Colors - 清新强调色 */
  --accent-blue: #60a5fa;
  --accent-cyan: #22d3ee;
  --accent-green: #34d399;
  --accent-purple: #a78bfa;
  --accent-pink: #f472b6;
  --accent-orange: #fb923c;

  /* Gradients - 柔和渐变 */
  --gradient-blue: linear-gradient(135deg, #60a5fa 0%, #3b82f6 50%, #2563eb 100%);
  --gradient-cyan: linear-gradient(135deg, #22d3ee 0%, #14b8a6 100%);
  --gradient-green: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  --gradient-purple: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 100%);
  --gradient-sunset: linear-gradient(135deg, #fb923c 0%, #f472b6 50%, #a78bfa 100%);
  --gradient-fresh: linear-gradient(135deg, #22d3ee 0%, #34d399 50%, #60a5fa 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.9) 0%, rgba(240,249,255,0.8) 100%);

  /* Shadows - 柔和阴影 */
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.06);
  --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-strong: 0 12px 40px rgba(0, 0, 0, 0.1);
  --shadow-glow-blue: 0 4px 24px rgba(96, 165, 250, 0.25);
  --shadow-glow-cyan: 0 4px 24px rgba(34, 211, 238, 0.25);
  --shadow-glow-green: 0 4px 24px rgba(52, 211, 153, 0.25);

  /* Backdrop Blur */
  --blur-sm: 10px;
  --blur-md: 16px;
  --blur-lg: 24px;
  --blur-xl: 32px;

  /* Border Radius */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-round: 50%;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.34, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Spacing */
  --space-xs: 6px;
  --space-sm: 12px;
  --space-md: 18px;
  --space-lg: 24px;
  --space-xl: 36px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

/* ================================================
   Background - 明亮渐变 + 动态光斑
   ================================================ */

body {
  margin: 0;
  font-family: "MiSans", "Source Han Sans SC", "Noto Sans SC", "Segoe UI", sans-serif;
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;

  /* 明亮渐变背景 */
  background:
    /* 左上蓝色光晕 */
    radial-gradient(ellipse 80% 50% at 20% -20%, rgba(96, 165, 250, 0.35) 0%, transparent 50%),
    /* 右上青色光晕 */
    radial-gradient(ellipse 70% 45% at 80% -10%, rgba(34, 211, 238, 0.3) 0%, transparent 50%),
    /* 左下绿色光晕 */
    radial-gradient(ellipse 60% 40% at 10% 110%, rgba(52, 211, 153, 0.25) 0%, transparent 50%),
    /* 右下紫色光晕 */
    radial-gradient(ellipse 65% 45% at 90% 105%, rgba(167, 139, 250, 0.22) 0%, transparent 50%),
    /* 中间粉色点缀 */
    radial-gradient(circle at 50% 50%, rgba(244, 114, 182, 0.08) 0%, transparent 60%),
    /* 基础渐变 */
    linear-gradient(165deg,
      #f0f9ff 0%,
      #e0f2fe 20%,
      #dbeafe 40%,
      #e0e7ff 60%,
      #f0fdf4 80%,
      #fdf4ff 100%
    );
  background-attachment: fixed;
  position: relative;
  overflow-x: hidden;
}

/* 动态浮动光斑 */
.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.bg-glow::before,
.bg-glow::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(var(--blur-xl));
  opacity: 0.7;
  animation: glowFloat 25s ease-in-out infinite alternate;
}

.bg-glow::before {
  width: 600px;
  height: 600px;
  right: -200px;
  top: -150px;
  background: radial-gradient(circle,
    rgba(96, 165, 250, 0.4) 0%,
    rgba(34, 211, 238, 0.3) 40%,
    transparent 70%
  );
  animation-duration: 30s;
}

.bg-glow::after {
  width: 700px;
  height: 700px;
  left: -250px;
  bottom: -200px;
  background: radial-gradient(circle,
    rgba(52, 211, 153, 0.35) 0%,
    rgba(167, 139, 250, 0.25) 50%,
    transparent 70%
  );
  animation-delay: -15s;
  animation-duration: 28s;
}

/* 额外的浮动粒子 */
.bg-glow .particle {
  position: absolute;
  border-radius: 50%;
  background: var(--gradient-fresh);
  opacity: 0.15;
  animation: particleFloat 20s ease-in-out infinite;
}

.bg-glow .particle:nth-child(1) {
  width: 80px;
  height: 80px;
  top: 20%;
  left: 15%;
  animation-delay: 0s;
  animation-duration: 22s;
}

.bg-glow .particle:nth-child(2) {
  width: 60px;
  height: 60px;
  top: 60%;
  right: 20%;
  animation-delay: -5s;
  animation-duration: 18s;
}

.bg-glow .particle:nth-child(3) {
  width: 100px;
  height: 100px;
  bottom: 30%;
  left: 40%;
  animation-delay: -10s;
  animation-duration: 25s;
}

@keyframes glowFloat {
  0% {
    transform: translate(0, 0) scale(1) rotate(0deg);
  }
  25% {
    transform: translate(40px, -30px) scale(1.05) rotate(5deg);
  }
  50% {
    transform: translate(-20px, 40px) scale(0.98) rotate(-3deg);
  }
  75% {
    transform: translate(30px, 20px) scale(1.02) rotate(2deg);
  }
  100% {
    transform: translate(-10px, -25px) scale(1.05) rotate(-2deg);
  }
}

@keyframes particleFloat {
  0%, 100% {
    transform: translateY(0) translateX(0) scale(1);
    opacity: 0.15;
  }
  25% {
    transform: translateY(-40px) translateX(20px) scale(1.1);
    opacity: 0.25;
  }
  50% {
    transform: translateY(-20px) translateX(-15px) scale(0.95);
    opacity: 0.2;
  }
  75% {
    transform: translateY(-50px) translateX(10px) scale(1.05);
    opacity: 0.18;
  }
}

/* ================================================
   Glass Navigation - 毛玻璃导航
   ================================================ */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--glass-border);
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(var(--blur-lg)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur-lg)) saturate(180%);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
  transition: all var(--transition-normal);
}

.site-nav.scrolled {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

.nav-inner {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.brand {
  text-decoration: none;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.3px;
  transition: var(--transition-normal);
  position: relative;
}

.brand:hover {
  filter: brightness(1.1);
  transform: scale(1.02);
}

.nav-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  position: relative;
  background: transparent;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 2px;
  left: 50%;
  width: 0;
  height: 3px;
  background: var(--gradient-blue);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
  border-radius: 3px;
}

.nav-links a:hover {
  color: var(--text-primary);
  background: rgba(96, 165, 250, 0.08);
}

.nav-links a:hover::after {
  width: 60%;
}

/* 激活状态 - 玻璃态风格 */
.nav-links a.active {
  color: var(--accent-blue);
  font-weight: 600;
  background: rgba(96, 165, 250, 0.12);
  backdrop-filter: blur(8px);
}

.nav-links a.active::after {
  width: 70%;
  background: var(--gradient-blue);
  box-shadow: 0 2px 8px rgba(96, 165, 250, 0.4);
}

/* ================================================
   Layout
   ================================================ */

.container {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.page-hero,
.page-main {
  position: relative;
  z-index: 1;
}

.page-hero {
  padding-top: 36px;
  padding-bottom: 20px;
}

.page-main {
  padding-top: 20px;
  padding-bottom: 28px;
  display: grid;
  gap: 18px;
}

/* ================================================
   Glass Panel - 通用玻璃面板
   ================================================ */

.panel {
  position: relative;
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  overflow: hidden;

  /* 玻璃效果 */
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-md)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(160%);

  /* 边框和阴影 */
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-medium);

  /* 入场动画 */
  animation: panelFadeIn 0.6s ease-out;
}

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

/* 面板高光效果 */
.panel::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.6) 0%,
    rgba(255, 255, 255, 0.2) 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.1) 75%,
    rgba(255, 255, 255, 0.4) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* 面板顶部光泽 */
.panel::after {
  content: "";
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.8) 30%,
    rgba(255, 255, 255, 0.9) 50%,
    rgba(255, 255, 255, 0.8) 70%,
    transparent 100%
  );
  pointer-events: none;
}

/* ================================================
   Hero Section
   ================================================ */

.hero-main-only {
  min-height: 280px;
}

.hero-kicker {
  margin: 0;
  font-size: 11px;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  background: var(--gradient-fresh);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  display: inline-block;
  animation: shimmer 3s ease-in-out infinite;
  background-size: 200% auto;
}

@keyframes shimmer {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 200% center; }
}

h1, h2, h3 {
  margin: 12px 0 0;
  line-height: 1.2;
}

h1 {
  font-size: clamp(34px, 5.5vw, 54px);
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #2563eb 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 8s ease-in-out infinite;
  background-size: 200% auto;
}

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

h2 {
  font-size: clamp(24px, 3.2vw, 32px);
  color: var(--text-primary);
  position: relative;
  display: inline-block;
}


.hero-title {
  margin: 14px 0 0;
  color: var(--accent-blue);
  font-size: 22px;
  font-weight: 700;
  animation: slideInLeft 0.6s ease-out;
}

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

.hero-bio {
  margin: 16px 0 0;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 68ch;
  animation: slideInLeft 0.6s ease-out 0.1s both;
}

.hero-meta-row {
  margin-top: 18px;
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  animation: slideInLeft 0.6s ease-out 0.2s both;
}

.hero-meta-row span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  background: rgba(96, 165, 250, 0.1);
  border-radius: 20px;
  border: 1px solid rgba(96, 165, 250, 0.2);
  transition: var(--transition-normal);
}

.hero-meta-row span:hover {
  background: rgba(96, 165, 250, 0.2);
  transform: translateY(-2px);
}

.hero-meta-row span::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  box-shadow: 0 0 8px var(--accent-cyan);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.1); }
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeInUp 0.6s ease-out 0.3s both;
}

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

/* ================================================
   Buttons - 动态按钮
   ================================================ */

.btn {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 22px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 700;
  border: 1px solid;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

/* 按钮光泽扫过效果 */
.btn::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 0.6s ease;
}

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

.btn span,
.btn::after {
  position: relative;
  z-index: 1;
}

.btn-primary {
  color: #fff;
  background: var(--gradient-blue);
  border-color: rgba(96, 165, 250, 0.5);
  box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3),
              0 0 0 0 rgba(59, 130, 246, 0.4);
  animation: btnPulse 3s ease-in-out infinite;
}

@keyframes btnPulse {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3),
                0 0 0 0 rgba(59, 130, 246, 0.4);
  }
  50% {
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3),
                0 0 0 8px rgba(59, 130, 246, 0);
  }
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(59, 130, 246, 0.4);
  animation: none;
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.98);
}

.btn-ghost {
  color: var(--text-primary);
  border-color: var(--glass-border-strong);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(var(--blur-sm));
}

.btn-ghost:hover {
  background: var(--glass-bg-hover);
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow-blue);
  transform: translateY(-2px);
}

/* ================================================
   Section Headers
   ================================================ */

.section-head {
  margin-bottom: var(--space-sm);
}

.section-head h2 {
  margin: 0;
}

.section-head p {
  margin: 10px 0 0;
  color: var(--text-secondary);
  line-height: 1.75;
}

.section-head-inline {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
}

.section-link {
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-blue);
  font-weight: 700;
  padding: 12px 18px;
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-sm);
  background: var(--glass-bg-strong);
  backdrop-filter: blur(var(--blur-sm));
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.section-link::after {
  content: "→";
  font-size: 16px;
  transition: all var(--transition-normal);
}

.section-link:hover {
  background: rgba(96, 165, 250, 0.15);
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow-blue);
  transform: translateY(-2px);
}

.section-link:hover::after {
  transform: translateX(4px);
}

/* ================================================
   Grids
   ================================================ */

.platform-grid,
.contact-grid,
.matrix-grid,
.stats-grid,
.product-nav-grid,
.tool-item-grid {
  display: grid;
  gap: 16px;
}

.platform-grid,
.product-nav-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: var(--space-sm);
}

.contact-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: var(--space-sm);
}

.stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 14px 0;
}

.matrix-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tool-item-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

/* ================================================
   Glass Cards - 玻璃卡片
   ================================================ */

.platform-card,
.contact-card,
.matrix-card,
.stat-card,
.product-nav-card,
.tool-item-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-smooth);
  cursor: pointer;

  /* 玻璃卡片基础 */
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-md)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(150%);

  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft);
}

/* 卡片渐变边框 */
.platform-card::before,
.contact-card::before,
.matrix-card::before,
.product-nav-card::before,
.tool-item-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg,
    rgba(255, 255, 255, 0.5) 0%,
    rgba(255, 255, 255, 0.2) 25%,
    transparent 50%,
    rgba(255, 255, 255, 0.15) 75%,
    rgba(255, 255, 255, 0.4) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  transition: var(--transition-normal);
}

/* 卡片顶部光泽 */
.platform-card::after,
.contact-card::after,
.matrix-card::after,
.product-nav-card::after,
.tool-item-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.8) 50%,
    transparent 100%
  );
  opacity: 0;
  transition: var(--transition-normal);
}

/* 卡片悬停效果 */
.platform-card:hover,
.contact-card:hover,
.matrix-card:hover,
.product-nav-card:hover,
.tool-item-card:hover {
  transform: translateY(-6px);
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-glow-blue);
}

.platform-card:hover::before,
.contact-card:hover::before,
.matrix-card:hover::before,
.product-nav-card:hover::before,
.tool-item-card:hover::before {
  background: linear-gradient(135deg,
    rgba(96, 165, 250, 0.3) 0%,
    rgba(34, 211, 238, 0.2) 50%,
    rgba(52, 211, 153, 0.25) 100%
  );
}

.platform-card:hover::after,
.contact-card:hover::after,
.matrix-card:hover::after,
.product-nav-card:hover::after,
.tool-item-card:hover::after {
  opacity: 1;
}

/* 卡片点击效果 */
.platform-card:active,
.contact-card:active,
.matrix-card:active,
.product-nav-card:active,
.tool-item-card:active {
  transform: translateY(-3px) scale(0.98);
}

.platform-card,
.contact-card,
.matrix-card,
.product-nav-card {
  padding: var(--space-md);
}

.stat-card {
  padding: var(--space-md);
  display: grid;
  gap: 8px;
}

.tool-item-card {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* 卡片光泽扫过效果 */
.clickable-card {
  cursor: pointer;
}

.clickable-card.shine::after {
  content: "";
  position: absolute;
  inset: -120% auto -120% -120%;
  width: 45%;
  height: 100%;
  background: linear-gradient(100deg,
    transparent 0%,
    rgba(255, 255, 255, 0.1) 40%,
    rgba(255, 255, 255, 0.3) 50%,
    rgba(255, 255, 255, 0.1) 60%,
    transparent 100%
  );
  transform: translateX(-180%) rotate(14deg);
  transition: transform 600ms ease;
  pointer-events: none;
}

.clickable-card.shine:hover::after {
  transform: translateX(420%) rotate(14deg);
}

.clickable-card:focus-visible {
  outline: 2px solid rgba(96, 165, 250, 0.6);
  outline-offset: 2px;
}

/* ================================================
   Platform Card
   ================================================ */

.platform-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.platform-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: linear-gradient(140deg,
    rgba(96, 165, 250, 0.2) 0%,
    rgba(34, 211, 238, 0.15) 100%
  );
  border: 1px solid rgba(96, 165, 250, 0.3);
  color: var(--accent-blue);
  font-size: 26px;
  overflow: hidden;
  transition: var(--transition-normal);
}

.platform-card:hover .platform-icon {
  transform: scale(1.05);
  box-shadow: 0 0 20px rgba(96, 165, 250, 0.3);
}

.platform-icon-img {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.platform-id {
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: 0.5px;
}

.platform-name {
  margin: 6px 0 0;
  font-size: 18px;
  color: var(--text-primary);
  font-weight: 700;
  transition: var(--transition-normal);
}

.platform-card:hover .platform-name {
  color: var(--accent-blue);
}

.platform-note {
  margin: 12px 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
}

.platform-preview {
  width: 100%;
  height: 150px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  transition: var(--transition-normal);
}

.platform-card:hover .platform-preview {
  border-color: var(--glass-border-strong);
  transform: scale(1.02);
}

.platform-preview-contain {
  object-fit: contain;
  background: var(--glass-bg-strong);
  padding: 10px;
}

/* ================================================
   Product Cards
   ================================================ */

.product-hub-controls {
  margin-top: var(--space-sm);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-chip {
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-sm));
  color: var(--text-secondary);
  padding: 8px 16px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.filter-chip:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  background: rgba(96, 165, 250, 0.1);
  transform: translateY(-2px);
}

.filter-chip.active {
  color: #fff;
  border-color: transparent;
  background: var(--gradient-blue);
  box-shadow: 0 4px 16px rgba(59, 130, 246, 0.35);
}

.product-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.pill {
  display: inline-flex;
  align-items: center;
  height: 26px;
  border-radius: 20px;
  padding: 0 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-green);
  border: 1px solid rgba(52, 211, 153, 0.4);
  background: rgba(52, 211, 153, 0.12);
}

.product-platform {
  font-size: 12px;
  color: var(--text-muted);
}

.product-title {
  margin: 12px 0 0;
  font-size: 18px;
  color: var(--text-primary);
  font-weight: 700;
}

.product-summary {
  margin: 10px 0 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
}

.product-price {
  margin: 14px 0 0;
  color: var(--accent-cyan);
  font-size: 16px;
  font-weight: 700;
}

/* ================================================
   Quick Links
   ================================================ */

.quick-links {
  margin-top: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.quick-link {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  text-align: center;
  text-decoration: none;
  color: var(--accent-blue);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-sm));
  padding: 16px 14px;
  font-weight: 700;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.quick-link::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-blue);
  opacity: 0;
  transition: var(--transition-normal);
}

.quick-link span {
  position: relative;
  z-index: 1;
}

.quick-link:hover {
  transform: translateY(-4px);
  border-color: var(--accent-blue);
  box-shadow: var(--shadow-glow-blue);
}

.quick-link:hover::before {
  opacity: 0.15;
}

/* ================================================
   Card Link
   ================================================ */

.card-link {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
  color: var(--accent-blue);
  font-weight: 700;
  font-size: 14px;
  transition: all var(--transition-normal);
}

.card-link:hover {
  color: var(--accent-cyan);
  gap: 10px;
}

.card-link::after {
  content: "→";
  transition: transform var(--transition-normal);
}

.card-link:hover::after {
  transform: translateX(4px);
}

.tool-action-list {
  margin-top: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.tool-action-list .card-link {
  margin-top: 0;
  padding: 7px 12px;
  border: 1px solid var(--glass-border-strong);
  border-radius: 8px;
  background: var(--glass-bg-strong);
}

.tool-action-list .card-link:hover {
  gap: 6px;
  background: rgba(96, 165, 250, 0.15);
}

.tool-item-card:not(.clickable-card) {
  cursor: default;
}

/* Contact Bubble */
.tool-item-card:has(.contact-bubble-wrap) {
  overflow: visible;
}

.tool-item-card:has(.contact-bubble-wrap)::before,
.tool-item-card:has(.contact-bubble-wrap)::after {
  overflow: hidden;
  border-radius: var(--radius-md);
}

.contact-bubble-wrap {
  position: relative;
  display: inline-flex;
}

.contact-btn {
  cursor: pointer;
}

.contact-bubble {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  z-index: 20;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-md);
  padding: 16px;
  min-width: 180px;
  text-align: center;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  pointer-events: none;
}

.contact-bubble::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: var(--glass-border-strong);
}

.contact-bubble-wrap:hover .contact-bubble {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.contact-bubble-id {
  font-size: 0.85rem;
  color: var(--text-primary);
  margin: 0 0 10px;
  font-weight: 500;
  letter-spacing: 0.3px;
}

.contact-bubble-qr {
  width: 140px;
  height: 140px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--glass-border);
}

/* ================================================
   Empty State
   ================================================ */

.empty-text {
  margin: 16px 0 0;
  color: var(--text-muted);
  text-align: center;
  padding: 24px;
}

/* ================================================
   Matrix Controls
   ================================================ */

.matrix-controls {
  display: grid;
  grid-template-columns: 1.4fr 1fr 0.8fr;
  gap: 14px;
  margin-top: var(--space-sm);
}

.matrix-controls label,
.matrix-controls > div {
  display: grid;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
}

.matrix-controls input,
.matrix-controls select {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-sm));
  color: var(--text-primary);
  padding: 12px 16px;
  font: inherit;
  font-size: 14px;
  transition: all var(--transition-normal);
}

.matrix-controls input:focus,
.matrix-controls select:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.15);
  background: var(--glass-bg-strong);
}

.matrix-controls input::placeholder {
  color: var(--text-muted);
}

/* 自定义 Select 下拉框 */
.custom-select {
  position: relative;
  min-width: 140px;
}

.custom-select-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.custom-select-trigger:hover {
  border-color: var(--glass-border-strong);
  background: var(--glass-bg-hover);
}

.custom-select.open .custom-select-trigger {
  border-color: var(--primary);
  background: var(--glass-bg-hover);
}

.custom-select-arrow {
  width: 18px;
  height: 18px;
  color: var(--primary);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.custom-select.open .custom-select-arrow {
  transform: rotate(180deg);
}

.custom-select-options {
  position: absolute;
  top: calc(100% + 6px);
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-fast);
  z-index: 100;
  overflow: hidden;
}

.custom-select.open .custom-select-options {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.custom-select-option {
  padding: 10px 14px;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.custom-select-option:hover {
  background: var(--glass-bg-hover);
  color: var(--primary);
}

.custom-select-option.active {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(139, 92, 246, 0.1));
  color: var(--primary);
  font-weight: 500;
}

/* ================================================
   View Switch
   ================================================ */

.view-switch {
  display: inline-flex;
  gap: 8px;
}

.view-switch button,
.chip {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-sm));
  color: var(--text-secondary);
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.view-switch button:hover,
.chip:hover {
  border-color: var(--accent-blue);
  color: var(--accent-blue);
}

.view-switch button.active,
.chip.active {
  background: var(--gradient-blue);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* ================================================
   Tag List
   ================================================ */

.chip-list {
  margin-top: var(--space-sm);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

/* ================================================
   Stat Card
   ================================================ */

.stat-card strong {
  font-size: 36px;
  line-height: 1;
  color: var(--accent-blue);
  font-weight: 800;
  background: var(--gradient-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card span {
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
}

/* ================================================
   Product Page Stats
   ================================================ */

body[data-page="products"] .stats-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 14px 0;
}

body[data-page="products"] .stat-card {
  border: 1px solid var(--glass-border-strong);
  background: var(--glass-bg-strong);
  box-shadow: var(--shadow-soft);
  padding: var(--space-md);
  transition: all var(--transition-normal);
}

body[data-page="products"] .stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow-blue);
}

body[data-page="products"] .stat-card strong {
  font-size: 40px;
}

/* ================================================
   Matrix Grid List Mode
   ================================================ */

.matrix-grid.list-mode {
  grid-template-columns: 1fr;
}

.matrix-card h3 {
  margin: 12px 0;
  font-size: 28px;
  color: var(--text-primary);
  font-weight: 800;
}

.matrix-card.list-item h3 {
  font-size: 22px;
}

.matrix-title {
  margin: 12px 0;
  font-size: 42px;
  color: var(--text-primary);
  font-weight: 800;
}

.matrix-card p {
  margin: 10px 0 0;
  color: var(--text-secondary);
  line-height: 1.75;
}

.matrix-badges,
.matrix-tags {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  line-height: 1;
  font-weight: 600;
  color: var(--accent-blue);
  background: rgba(96, 165, 250, 0.15);
  border: 1px solid rgba(96, 165, 250, 0.3);
  border-radius: 20px;
  padding: 5px 12px;
  transition: var(--transition-normal);
}

.badge:hover {
  background: rgba(96, 165, 250, 0.25);
  transform: translateY(-2px);
}

/* ================================================
   FAQ Accordion
   ================================================ */

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: var(--space-sm);
}

.faq-item {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-sm));
  transition: all var(--transition-normal);
}

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

.faq-toggle {
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 0 20px;
  font: inherit;
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 700;
  transition: all var(--transition-normal);
}

.faq-toggle:hover {
  background: rgba(96, 165, 250, 0.08);
}

.faq-question {
  flex: 1;
  padding: 18px 0;
}

.faq-indicator {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  transition: all var(--transition-normal);
  background: var(--gradient-blue);
  border-radius: 50%;
  box-shadow: 0 2px 10px rgba(96, 165, 250, 0.3);
}

.faq-indicator::before {
  content: "";
  width: 12px;
  height: 12px;
  background: #fff;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform var(--transition-normal);
}

.faq-toggle:hover .faq-indicator {
  transform: scale(1.1);
  box-shadow: 0 4px 16px rgba(96, 165, 250, 0.4);
}

.faq-toggle[aria-expanded="true"] .faq-indicator {
  box-shadow: 0 4px 16px rgba(96, 165, 250, 0.5);
}

.faq-toggle[aria-expanded="true"] .faq-indicator::before {
  transform: rotate(180deg);
}

.faq-body {
  padding: 0 20px 20px;
  color: var(--text-secondary);
  line-height: 1.8;
  animation: slideDown 0.3s ease-out;
}

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

/* ================================================
   Contact Card
   ================================================ */

.contact-card h3 {
  margin: 10px 0 6px;
  color: var(--text-primary);
  font-weight: 700;
}

.contact-title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.contact-title-icon {
  width: 22px;
  height: 22px;
  object-fit: contain;
}

.contact-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
}

.contact-meta {
  margin-bottom: 14px;
}

.contact-qr {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  border: 2px solid rgba(52, 211, 153, 0.4);
  background: var(--glass-bg-strong);
  transition: var(--transition-normal);
}

.contact-card:hover .contact-qr {
  border-color: rgba(52, 211, 153, 0.6);
  transform: scale(1.02);
}

/* ================================================
   Footer
   ================================================ */

.footer {
  padding: 16px 0 28px;
  margin-top: auto;
  position: relative;
  z-index: 1;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 13px;
}

/* ================================================
   Reveal Animations - 滚动显现动画
   ================================================ */

.has-motion .reveal-item {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.34, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.34, 0, 0.2, 1);
}

.has-motion .reveal-item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* 依次延迟显现动画 */
.has-motion .reveal-item:nth-child(1) { transition-delay: 0ms; }
.has-motion .reveal-item:nth-child(2) { transition-delay: 80ms; }
.has-motion .reveal-item:nth-child(3) { transition-delay: 160ms; }
.has-motion .reveal-item:nth-child(4) { transition-delay: 240ms; }
.has-motion .reveal-item:nth-child(5) { transition-delay: 320ms; }
.has-motion .reveal-item:nth-child(6) { transition-delay: 400ms; }

/* ================================================
   Tool Cards
   ================================================ */

.tool-line-title {
  margin: 0;
  font-size: 18px;
  color: var(--text-primary);
  font-weight: 700;
}

.tool-line-desc {
  margin: 10px 0 0;
  color: var(--text-secondary);
  line-height: 1.75;
}

.tool-line-meta {
  margin-top: 14px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.tutorial-panel {
  display: grid;
  gap: var(--space-md);
}

.tutorial-controls {
  grid-template-columns: 1.2fr 1fr;
}

.tutorial-filter-row {
  margin-top: 8px;
}

.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.tutorial-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  padding: var(--space-md);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-md)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--blur-md)) saturate(150%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft);
  transition: all var(--transition-smooth);
}

.tutorial-card:hover {
  transform: translateY(-4px);
  background: var(--glass-bg-hover);
  border-color: var(--glass-border-strong);
  box-shadow: var(--shadow-glow-blue);
}

.tutorial-card[data-expanded="1"] {
  grid-column: 1 / -1;
}

.tutorial-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.tutorial-card-title {
  margin: 0;
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
}

.tutorial-card-summary {
  margin: 10px 0 0;
  color: var(--text-secondary);
  line-height: 1.75;
}

.tutorial-markdown {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--glass-border);
  color: var(--text-secondary);
  line-height: 1.85;
}

.tutorial-markdown h1,
.tutorial-markdown h2,
.tutorial-markdown h3,
.tutorial-markdown h4 {
  color: var(--text-primary);
  line-height: 1.35;
  margin: 22px 0 10px;
  letter-spacing: 0;
}

.tutorial-markdown h1:first-child,
.tutorial-markdown h2:first-child,
.tutorial-markdown h3:first-child {
  margin-top: 0;
}

.tutorial-markdown h1 {
  font-size: 24px;
}

.tutorial-markdown h2 {
  font-size: 20px;
}

.tutorial-markdown h3 {
  font-size: 17px;
}

.tutorial-markdown p {
  margin: 10px 0;
}

.tutorial-markdown ul,
.tutorial-markdown ol {
  margin: 10px 0;
  padding-left: 24px;
}

.tutorial-markdown li + li {
  margin-top: 6px;
}

.tutorial-markdown code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
  color: #1d4ed8;
  background: rgba(96, 165, 250, 0.12);
  border: 1px solid rgba(96, 165, 250, 0.18);
  border-radius: 6px;
  padding: 2px 6px;
}

.tutorial-markdown pre {
  overflow-x: auto;
  margin: 12px 0;
  padding: 14px;
  border-radius: 8px;
  background: rgba(15, 23, 42, 0.86);
  border: 1px solid rgba(15, 23, 42, 0.2);
}

.tutorial-markdown pre code {
  color: #e5f0ff;
  background: transparent;
  border: 0;
  padding: 0;
}

.tutorial-markdown img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 14px 0;
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-soft);
}

.tutorial-markdown a {
  color: var(--accent-blue);
  font-weight: 700;
}

.tutorial-markdown blockquote {
  margin: 12px 0;
  padding: 10px 14px;
  border-left: 3px solid rgba(96, 165, 250, 0.45);
  background: rgba(96, 165, 250, 0.08);
  border-radius: 0 8px 8px 0;
}

.tutorial-step-list {
  margin: 14px 0 0;
  padding-left: 22px;
  color: var(--text-secondary);
  line-height: 1.8;
}

.tutorial-step-list li + li {
  margin-top: 6px;
}

.tutorial-actions {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tutorial-actions .card-link {
  margin-top: 0;
}

.tutorial-toggle {
  border: 1px solid var(--glass-border-strong);
  background: var(--glass-bg-strong);
  font: inherit;
  cursor: pointer;
}

.xhs-link {
  color: #db2777;
}

.tool-meta-tree {
  margin-top: auto;
  display: grid;
  gap: 10px;
}

.tool-meta-type {
  display: flex;
  align-items: center;
  min-height: 32px;
}

.tool-meta-tags {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  padding-left: 20px;
}

.tool-meta-tags::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 1px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(96, 165, 250, 0.45), rgba(34, 211, 238, 0.12));
}

.tool-meta-tags::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 17px;
  width: 10px;
  height: 1px;
  border-radius: 999px;
  background: rgba(96, 165, 250, 0.38);
}

.badge-type {
  color: #1d4ed8;
  background: rgba(96, 165, 250, 0.14);
  border-color: rgba(96, 165, 250, 0.28);
  box-shadow: 0 3px 10px rgba(59, 130, 246, 0.12);
  padding: 6px 14px;
  font-size: 13px;
}

.badge-tag {
  color: #2563eb;
  background: rgba(96, 165, 250, 0.08);
  border-color: rgba(96, 165, 250, 0.24);
  padding: 5px 12px;
  font-size: 12px;
}

.tool-controls {
  grid-template-columns: 1.4fr 0.8fr;
}

.tool-filter-row {
  margin-top: var(--space-sm);
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.sub-filter-row {
  padding-left: 12px;
}

.sub-filter-row .sub-chip {
  border-color: rgba(96, 165, 250, 0.16);
  background: rgba(255, 255, 255, 0.5);
  font-size: 0.78rem;
  padding: 3px 10px;
  opacity: 0.85;
  box-shadow: none;
}

.sub-filter-row .sub-chip.active {
  opacity: 1;
}

.tool-group-list {
  margin-top: var(--space-sm);
  display: grid;
  gap: 0;
}

.tool-group-flat {
  display: grid;
  gap: 16px;
  padding: var(--space-lg) 0;
  position: relative;
}

/* 工具模块分隔线 - 已删除 */

.tool-group-toggle-flat {
  border: none;
  background: transparent;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  text-align: left;
  font: inherit;
  width: 100%;
  transition: var(--transition-normal);
}

.tool-group-toggle-flat:hover .tool-group-heading {
  color: var(--accent-blue);
  transform: translateX(4px);
}

.tool-group-heading {
  margin: 0;
  font-size: 26px;
  color: var(--text-primary);
  font-weight: 800;
  transition: all var(--transition-normal);
  position: relative;
  display: inline-block;
  padding-bottom: 8px;
  padding-left: 16px;
}

/* 标题左侧装饰条 */
.tool-group-heading::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 12px;
  width: 4px;
  background: var(--gradient-blue);
  border-radius: 2px;
  opacity: 0.6;
  transition: all var(--transition-normal);
}

.tool-group-toggle-flat:hover .tool-group-heading::before {
  opacity: 1;
  box-shadow: 0 0 12px rgba(96, 165, 250, 0.5);
}

.tool-group-arrow-flat {
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  position: relative;
  transition: all var(--transition-normal);
  background: var(--gradient-blue);
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 2px 10px rgba(96, 165, 250, 0.3);
}

.tool-group-arrow-flat::before {
  content: "";
  width: 12px;
  height: 12px;
  background: #fff;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") center / contain no-repeat;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E") center / contain no-repeat;
  transition: transform var(--transition-normal);
}

.tool-group-toggle-flat:hover .tool-group-arrow-flat {
  transform: scale(1.1);
  box-shadow: 0 4px 16px rgba(96, 165, 250, 0.4);
}

.tool-group-toggle-flat[aria-expanded="false"] .tool-group-arrow-flat {
  transform: rotate(-180deg);
}

.tool-group-toggle-flat[aria-expanded="false"]:hover .tool-group-arrow-flat {
  transform: rotate(-180deg) scale(1.1);
}

.tool-item-grid.list-mode {
  grid-template-columns: 1fr;
}

/* ================================================
   Scrollbar - 美化滚动条
   ================================================ */

::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.5);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 6px;
  border: 2px solid transparent;
  background-clip: content-box;
  transition: var(--transition-normal);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #3b82f6, #14b8a6);
  background-clip: content-box;
}

/* ================================================
   Selection Styling
   ================================================ */

::selection {
  background: rgba(96, 165, 250, 0.3);
  color: var(--text-primary);
}

::-moz-selection {
  background: rgba(96, 165, 250, 0.3);
  color: var(--text-primary);
}

/* ================================================
   Focus Visible
   ================================================ */

:focus-visible {
  outline: 3px solid rgba(96, 165, 250, 0.5);
  outline-offset: 2px;
}

/* ================================================
   Reduced Motion - 减少动画
   ================================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ================================================
   Responsive Design
   ================================================ */

@media (max-width: 1080px) {
  .platform-grid,
  .product-nav-grid,
  .matrix-grid,
  .contact-grid,
  .quick-links,
  .tool-item-grid,
  .tutorial-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .matrix-controls {
    grid-template-columns: 1fr 1fr;
  }

  .matrix-controls > div {
    grid-column: 1 / -1;
  }
}

@media (max-width: 860px) {
  .panel {
    padding: var(--space-md);
  }

  .section-head-inline {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .container {
    width: calc(100% - 20px);
  }

  .nav-inner {
    min-height: 56px;
  }

  .brand {
    font-size: 18px;
  }

  .nav-links {
    gap: 4px;
  }

  .nav-links a {
    font-size: 12px;
    padding: 8px 12px;
  }

  .page-hero {
    padding-top: 24px;
    padding-bottom: 14px;
  }

  .page-main {
    gap: 14px;
  }

  .platform-grid,
  .product-nav-grid,
  .matrix-grid,
  .stats-grid,
  .contact-grid,
  .quick-links,
  .matrix-controls,
  .tool-item-grid,
  .tutorial-controls,
  .tutorial-grid {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }

  .matrix-title {
    font-size: 32px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 6px;
  }

  .quick-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ================================================
   Extra Dynamic Effects
   额外的动态效果
   ================================================ */

/* 呼吸效果 */
@keyframes breathe {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.02);
    opacity: 0.9;
  }
}

/* 漂浮效果 */
@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* 旋转发光 */
@keyframes rotateGlow {
  0% {
    filter: hue-rotate(0deg);
  }
  100% {
    filter: hue-rotate(360deg);
  }
}

/* 波纹扩散 */
@keyframes ripple {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* 为特定元素添加动态类 */
.breathe {
  animation: breathe 4s ease-in-out infinite;
}

.float {
  animation: float 6s ease-in-out infinite;
}

/* 加载动画 */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--glass-border);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* 打字机效果容器 */
.typewriter {
  overflow: hidden;
  border-right: 2px solid var(--accent-blue);
  white-space: nowrap;
  animation: typing 3s steps(30) 1s forwards, blink 0.75s step-end infinite;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink {
  50% { border-color: transparent; }
}

/* ================================================
   涟漪动画定义
   ================================================ */
@keyframes rippleEffect {
  0% {
    transform: scale(0);
    opacity: 0.6;
  }
  100% {
    transform: scale(2);
    opacity: 0;
  }
}

/* ================================================
   卡片悬浮光效
   ================================================ */
.platform-card::before,
.product-nav-card::before,
.matrix-card::before,
.contact-card::before,
.tool-item-card::before {
  z-index: 0;
}

/* 卡片内容确保在光效之上 */
.platform-card > *,
.product-nav-card > *,
.matrix-card > *,
.contact-card > *,
.tool-item-card > * {
  position: relative;
  z-index: 1;
}

/* ================================================
   输入框增强动画
   ================================================ */
.matrix-controls input:focus,
.matrix-controls select:focus {
  animation: inputFocus 0.3s ease-out;
}

@keyframes inputFocus {
  0% {
    box-shadow: 0 0 0 0 rgba(96, 165, 250, 0.4);
  }
  100% {
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.15);
  }
}

/* ================================================
   滚动指示器动画
   ================================================ */
.scroll-indicator {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 50px;
  border: 2px solid var(--glass-border-strong);
  border-radius: 20px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur-sm));
  z-index: 50;
  opacity: 0.8;
  animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-indicator::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 6px;
  height: 10px;
  background: var(--accent-blue);
  border-radius: 3px;
  animation: scrollDot 2s ease-in-out infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(-5px); }
}

@keyframes scrollDot {
  0%, 100% { top: 8px; opacity: 1; }
  50% { top: 20px; opacity: 0.5; }
}

/* ================================================
   工具提示样式
   ================================================ */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 8px 14px;
  background: var(--glass-bg-strong);
  backdrop-filter: blur(var(--blur-sm));
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-soft);
  z-index: 100;
}

[data-tooltip]:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-4px);
}

/* ================================================
   骨架屏加载效果
   ================================================ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--glass-bg) 25%,
    var(--glass-bg-strong) 50%,
    var(--glass-bg) 75%
  );
  background-size: 200% 100%;
  animation: skeletonLoading 1.5s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

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

/* ================================================
   成功/错误状态动画
   ================================================ */
.success-pulse {
  animation: successPulse 0.6s ease-out;
}

@keyframes successPulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.6); }
  100% { box-shadow: 0 0 0 20px rgba(52, 211, 153, 0); }
}

.error-shake {
  animation: errorShake 0.5s ease-out;
}

@keyframes errorShake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-5px); }
  40%, 80% { transform: translateX(5px); }
}