/* ===== 基础变量 ===== */
:root {
  --bg-deep: #0B0C10;
  --bg-surface: #1A1C2A;
  --text-primary: #FFFFFF;
  --text-secondary: rgba(255, 255, 255, 0.65);
  --text-muted: rgba(255, 255, 255, 0.4);
  --neon-cyan: #00F2FE;
  --neon-blue: #0A84FF;
  --neon-purple: #AF52DE;
  --neon-pink: #FF2D55;
  --neon-orange: #F7971E;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-glow: rgba(255, 255, 255, 0.02);
  --radius-sm: 16px;
  --radius: 24px;
  --radius-lg: 32px;
  --radius-xl: 40px;
  --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ===== 动态发光背景 ===== */
.ambient-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background: radial-gradient(circle at 50% 50%, var(--bg-surface) 0%, var(--bg-deep) 100%);
  overflow: hidden;
}

.ambient-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.4;
  animation: float 20s infinite ease-in-out alternate;
}

.glow-1 {
  top: -10%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.3), transparent 70%);
  animation-delay: 0s;
}

.glow-2 {
  bottom: -20%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(175, 82, 222, 0.25), transparent 70%);
  animation-delay: -5s;
}

.glow-3 {
  top: 40%;
  left: 60%;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(255, 45, 85, 0.2), transparent 70%);
  animation-delay: -10s;
}

.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: 50px 50px;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, black 30%, transparent 80%);
  pointer-events: none;
}

/* ===== 导航栏 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 5vw;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.4s ease;
}

.navbar.scrolled {
  background: rgba(11, 12, 16, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 15px 5vw;
}

.logo {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink));
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  transition: color 0.3s;
  position: relative;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
  transition: width 0.3s ease;
  border-radius: 1px;
}

.nav-links a:hover::after {
  width: 100%;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  color: white;
  box-shadow: 0 4px 15px rgba(10, 132, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(10, 132, 255, 0.5);
}

.btn-secondary {
  background: var(--glass-bg);
  color: white;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* ===== Hero 区域 ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 5vw 60px;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 100px;
  background: rgba(255, 45, 85, 0.1);
  border: 1px solid rgba(255, 45, 85, 0.2);
  color: var(--neon-pink);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
  letter-spacing: 1px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease forwards 0.2s;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

.hero h1 {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 800;
  letter-spacing: -2px;
  margin-bottom: 24px;
  line-height: 1.1;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease forwards 0.4s;
}

.text-gradient {
  background: linear-gradient(135deg, var(--text-primary) 30%, rgba(255,255,255,0.4) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(18px, 2.5vw, 24px);
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 600px;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease forwards 0.6s;
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease forwards 0.8s;
}

.hero-note {
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.8s ease forwards 1s;
}

.hero-icon-wrapper {
  margin-top: 60px;
  width: clamp(200px, 30vw, 320px);
  height: clamp(200px, 30vw, 320px);
  position: relative;
  perspective: 1000px;
  opacity: 0;
  transform: translateY(40px);
  animation: fadeUp 1s ease forwards 1.2s;
}

.hero-icon {
  width: 100%;
  height: 100%;
  animation: hover 6s infinite ease-in-out;
  transform-style: preserve-3d;
  filter: drop-shadow(0 30px 40px rgba(0, 0, 0, 0.5));
  border-radius: 28%;
  overflow: hidden;
}

.hero-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ===== 功能卡片 ===== */
.features {
  padding: 120px 5vw;
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 80px;
}

.section-header h2 {
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 700;
  letter-spacing: -1px;
  margin-bottom: 20px;
}

.section-header p {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 40px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translateY(40px);
}

.feature-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, var(--glass-glow), transparent 60%);
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-12px) scale(1.02);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), inset 0 0 40px rgba(255, 255, 255, 0.02);
}

.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
  font-size: 32px;
  border: 1px solid var(--glass-border);
  position: relative;
}

.feature-card:nth-child(1) .feature-icon {
  box-shadow: inset 0 0 20px rgba(0, 242, 254, 0.2);
  color: var(--neon-cyan);
}
.feature-card:nth-child(2) .feature-icon {
  box-shadow: inset 0 0 20px rgba(175, 82, 222, 0.2);
  color: var(--neon-purple);
}
.feature-card:nth-child(3) .feature-icon {
  box-shadow: inset 0 0 20px rgba(255, 45, 85, 0.2);
  color: var(--neon-pink);
}

.feature-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.6;
}

/* ===== 数据展示 ===== */
.stats {
  padding: 0 5vw 120px;
  max-width: 1400px;
  margin: 0 auto;
}

.stats-grid {
  display: flex;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 40px;
  padding: 80px 5vw;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(30px);
  -webkit-backdrop-filter: blur(30px);
  opacity: 0;
  transform: scale(0.95);
  transition: all 0.8s ease;
  box-shadow: 0 40px 80px rgba(0,0,0,0.4), inset 0 2px 2px rgba(255,255,255,0.05);
  position: relative;
  overflow: hidden;
}

.stats-grid.visible {
  opacity: 1;
  transform: scale(1);
}

.stats-grid::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.05), transparent);
  transform: skewX(-20deg);
  animation: sweep 8s infinite linear;
}

.stat-item {
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-number {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.stat-item:nth-child(2) .stat-number {
  background: linear-gradient(135deg, var(--neon-purple), var(--neon-pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item:nth-child(3) .stat-number {
  background: linear-gradient(135deg, var(--neon-pink), var(--neon-orange));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-item:nth-child(4) .stat-number {
  background: linear-gradient(135deg, var(--neon-orange), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ===== 学习与健康对比模块 ===== */
.health-comparison {
  padding: 60px 5vw 120px;
  max-width: 1200px;
  margin: 0 auto;
}

.health-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 60px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  gap: 40px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}

.health-card.visible {
  opacity: 1;
  transform: translateY(0);
}

.health-card::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(0, 242, 254, 0.08), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.health-header,
.comparison-row {
  position: relative;
  z-index: 1;
}

.health-header {
  text-align: center;
  margin-bottom: 20px;
}

.health-header h3 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.health-header p {
  color: var(--text-secondary);
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto;
}

.comparison-row {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.comparison-row + .comparison-row {
  margin-top: 12px;
}

.comparison-info {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.comparison-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 600;
}

.comparison-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 18px;
}

.icon-study {
  background: rgba(10, 132, 255, 0.15);
  color: var(--neon-blue);
}

.icon-health {
  background: rgba(0, 242, 254, 0.15);
  color: var(--neon-cyan);
}

.comparison-value {
  font-size: 32px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.value-study {
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.value-health {
  background: linear-gradient(135deg, var(--neon-cyan), #00d2ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.progress-track {
  width: 100%;
  height: 16px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 100px;
  overflow: hidden;
  position: relative;
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.2);
}

.progress-fill {
  height: 100%;
  border-radius: 100px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.5s cubic-bezier(0.22, 1, 0.36, 1) 0.5s;
  position: relative;
}

.progress-fill.visible {
  transform: scaleX(1);
}

.fill-study {
  width: 85%;
  background: linear-gradient(90deg, var(--neon-blue), var(--neon-purple));
}

.fill-health {
  width: 92%;
  background: linear-gradient(90deg, var(--neon-cyan), #00d2ff);
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
  animation: shimmer 2s infinite linear;
}

/* ===== CTA 区域 ===== */
.cta {
  padding: 160px 5vw;
  text-align: center;
  position: relative;
}

.cta::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw;
  height: 600px;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.15), transparent 50%);
  z-index: -1;
  pointer-events: none;
  animation: pulse 4s infinite alternate ease-in-out;
}

.cta h2 {
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.cta > p {
  color: var(--text-secondary);
  margin-bottom: 40px;
  font-size: 18px;
}

/* ===== 页脚 ===== */
.footer {
  border-top: 1px solid var(--glass-border);
  padding: 40px 5vw;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  background: rgba(11, 12, 16, 0.8);
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copy {
  color: var(--text-muted);
  font-size: 14px;
  text-align: center;
  line-height: 1.8;
}

.footer-copy a {
  text-decoration: underline;
}

/* ===== 滚动渐显动画 ===== */
.fade-element {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-element.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 动画 ===== */
@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(5%, 10%) scale(1.1); }
  100% { transform: translate(-5%, -5%) scale(0.95); }
}

@keyframes hover {
  0% { transform: translateY(0) rotateX(0deg) rotateY(0deg); }
  25% { transform: translateY(-10px) rotateX(5deg) rotateY(5deg); }
  50% { transform: translateY(0) rotateX(0deg) rotateY(10deg); }
  75% { transform: translateY(10px) rotateX(-5deg) rotateY(5deg); }
  100% { transform: translateY(0) rotateX(0deg) rotateY(0deg); }
}

@keyframes pulse {
  0% { opacity: 0.5; transform: translate(-50%, -50%) scale(0.9); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

@keyframes sweep {
  0% { left: -100%; }
  20% { left: 200%; }
  100% { left: 200%; }
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .nav-links a:not(.btn) {
    display: none;
  }

  .hero {
    padding: 100px 5vw 40px;
  }

  .hero h1 {
    font-size: clamp(36px, 10vw, 48px);
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
  }

  .features {
    padding: 80px 5vw;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card {
    padding: 30px;
  }

  .stats-grid {
    flex-direction: column;
    padding: 40px 20px;
  }

  .health-card {
    padding: 30px;
  }

  .comparison-value {
    font-size: 24px;
  }

  .cta {
    padding: 80px 5vw;
  }
}

/* ===== 法律页面 ===== */
.legal-page {
  padding: 120px 5vw 80px;
  max-width: 900px;
  margin: 0 auto;
}

.legal-header {
  text-align: center;
  padding: 60px 40px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.legal-header::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(10, 132, 255, 0.06) 0%, transparent 60%);
  animation: rotate 20s linear infinite;
}

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

.legal-header-icon {
  width: 72px;
  height: 72px;
  border-radius: var(--radius);
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 36px;
  margin: 0 auto 24px;
  border: 1px solid var(--glass-border);
  background: rgba(255,255,255,0.03);
}

.legal-header h1 {
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -1px;
}

.legal-header .subtitle {
  color: var(--text-secondary);
  font-size: 18px;
  margin-bottom: 8px;
}

.legal-header .date {
  color: var(--text-muted);
  font-size: 14px;
}

/* 目录 */
.legal-toc {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 32px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  margin-bottom: 40px;
}

.legal-toc h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.legal-toc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}

.legal-toc-grid a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.legal-toc-grid a:hover {
  background: rgba(255,255,255,0.06);
  border-color: rgba(255,255,255,0.15);
  color: var(--text-primary);
  transform: translateX(4px);
}

.legal-toc-grid a .num {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  color: white;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-shrink: 0;
}

/* 内容区块 */
.legal-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 40px;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  margin-bottom: 24px;
  transition: var(--transition);
}

.legal-section:hover {
  border-color: rgba(255,255,255,0.12);
}

.legal-section h2 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--glass-border);
}

.legal-section p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}

.legal-section ul {
  list-style: none;
  padding: 0;
  margin-bottom: 16px;
}

.legal-section ul li {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
  padding-left: 24px;
  position: relative;
  margin-bottom: 8px;
}

.legal-section ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
}

.legal-section strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* 高亮提示框 */
.legal-highlight {
  background: linear-gradient(135deg, rgba(10, 132, 255, 0.08), rgba(175, 82, 222, 0.05));
  border: 1px solid rgba(10, 132, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 24px;
  margin-top: 20px;
  position: relative;
  overflow: hidden;
}

.legal-highlight::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--neon-blue), var(--neon-purple));
}

.legal-highlight-title {
  font-weight: 700;
  font-size: 15px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.legal-highlight p {
  margin-bottom: 0;
  font-size: 14px;
}

/* 法律页面响应式 */
@media (max-width: 768px) {
  .legal-page {
    padding: 100px 5vw 40px;
  }

  .legal-header {
    padding: 40px 24px;
  }

  .legal-toc {
    padding: 24px;
  }

  .legal-toc-grid {
    grid-template-columns: 1fr;
  }

  .legal-section {
    padding: 28px 20px;
  }

  .legal-section h2 {
    font-size: 20px;
  }
}