/* ============================================
   im冷钱包 - 全站样式表
   品牌色系：深空蓝 → 极光紫 渐变
   设计风格：Glassmorphism + 科技感
   ============================================ */

/* === 基础重置与字体 === */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
  --deep-space: #0a0e27;
  --space-blue: #0d1440;
  --aurora-purple: #6c3ce0;
  --electric-blue: #2d7ff9;
  --neon-cyan: #00d4ff;
  --neon-green: #00ff88;
  --warm-gold: #ffd700;
  --danger-red: #ff4757;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-hover: rgba(255, 255, 255, 0.1);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.45);
  --gradient-main: linear-gradient(135deg, #0a0e27 0%, #1a1050 50%, #2d1b69 100%);
  --gradient-card: linear-gradient(135deg, rgba(45, 127, 249, 0.1), rgba(108, 60, 224, 0.1));
  --gradient-accent: linear-gradient(135deg, #2d7ff9, #6c3ce0);
  --gradient-glow: linear-gradient(135deg, #00d4ff, #6c3ce0);
  --shadow-glow: 0 0 30px rgba(45, 127, 249, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
  background: var(--gradient-main);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--electric-blue);
  text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

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

/* === 粒子背景 === */
.particle-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(0,212,255,0.3), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(108,60,224,0.2), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.15), transparent),
    radial-gradient(1px 1px at 130px 80px, rgba(0,212,255,0.2), transparent),
    radial-gradient(2px 2px at 160px 30px, rgba(108,60,224,0.15), transparent);
  background-size: 200px 100px;
  animation: particleFloat 20s linear infinite;
}

@keyframes particleFloat {
  0% { transform: translateY(0); }
  100% { transform: translateY(-100px); }
}

/* 网格线背景 */
.grid-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(45,127,249,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45,127,249,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* === 导航栏 === */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 14, 39, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  transition: all 0.3s ease;
}

.navbar.scrolled {
  background: rgba(10, 14, 39, 0.95);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--text-primary);
}

.nav-logo img {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.nav-logo span {
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 4px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  transition: width 0.3s ease;
  border-radius: 1px;
}

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

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

.nav-cta {
  padding: 10px 24px;
  background: var(--gradient-accent);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(45, 127, 249, 0.4);
  color: white;
}

/* 汉堡菜单 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.3s ease;
  border-radius: 2px;
}

/* === 搜索栏 === */
.search-bar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

.search-container {
  position: relative;
  max-width: 600px;
  margin: 0 auto;
}

.search-input {
  width: 100%;
  padding: 14px 50px 14px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: 0.95rem;
  outline: none;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.search-input:focus {
  border-color: var(--electric-blue);
  box-shadow: 0 0 20px rgba(45, 127, 249, 0.2);
}

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

.search-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: var(--gradient-accent);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: white;
  font-size: 1rem;
}

.search-result {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(13, 20, 64, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-top: 8px;
  padding: 16px;
  display: none;
  z-index: 100;
}

.search-result.active {
  display: block;
}

.search-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--neon-cyan);
  font-size: 0.9rem;
}

.search-loading .dot {
  display: inline-block;
  animation: dotPulse 1.4s infinite;
}

.search-loading .dot:nth-child(2) { animation-delay: 0.2s; }
.search-loading .dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes dotPulse {
  0%, 80%, 100% { opacity: 0; }
  40% { opacity: 1; }
}

/* === 面包屑 === */
.breadcrumb {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px 24px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

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

.breadcrumb .sep {
  margin: 0 8px;
  opacity: 0.5;
}

/* === 通用容器 === */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(45, 127, 249, 0.15);
  border: 1px solid rgba(45, 127, 249, 0.3);
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--neon-cyan);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-title .highlight {
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.8;
}

/* === 磨砂玻璃卡片 === */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
}

.glass-card:hover {
  background: var(--glass-hover);
  border-color: rgba(45, 127, 249, 0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* === Hero 区域 === */
.hero {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero-content h1 .brand {
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content .subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--gradient-accent);
  border: none;
  border-radius: var(--radius-sm);
  color: white;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 35px rgba(45, 127, 249, 0.4);
  color: white;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: transparent;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.btn-outline:hover {
  border-color: var(--electric-blue);
  background: rgba(45, 127, 249, 0.1);
  color: white;
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: var(--radius-xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.hero-image .glow-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45,127,249,0.1) 0%, transparent 70%);
  animation: glowPulse 4s ease-in-out infinite;
  z-index: -1;
}

@keyframes glowPulse {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.05); }
}

/* === 统计数据 === */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.stat-item {
  text-align: center;
  padding: 24px 16px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--gradient-glow);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* === 仪表盘区域 === */
.dashboard-section {
  padding: 80px 0;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.dashboard-main {
  position: relative;
  overflow: hidden;
}

.dashboard-main img {
  border-radius: var(--radius-lg);
  width: 100%;
}

.price-ticker {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.ticker-item {
  flex: 0 0 auto;
  padding: 16px 24px;
  min-width: 180px;
}

.ticker-item .coin-name {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.ticker-item .coin-price {
  font-size: 1.4rem;
  font-weight: 700;
}

.ticker-item .coin-change {
  font-size: 0.85rem;
  font-weight: 600;
}

.ticker-item .coin-change.up { color: var(--neon-green); }
.ticker-item .coin-change.down { color: var(--danger-red); }

.dashboard-sidebar .glass-card {
  margin-bottom: 24px;
}

.risk-counter {
  text-align: center;
  padding: 20px;
}

.risk-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--neon-green);
  animation: counterPulse 2s ease-in-out infinite;
}

@keyframes counterPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.risk-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* === 安全动态 === */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  cursor: pointer;
}

.news-card .news-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(45, 127, 249, 0.15);
  border-radius: 12px;
  font-size: 0.75rem;
  color: var(--neon-cyan);
  margin-bottom: 12px;
}

.news-card h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.5;
}

.news-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 12px;
}

.news-card .news-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
}

/* === 技术资讯 === */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tech-card {
  display: flex;
  gap: 20px;
}

.tech-card .tech-icon {
  flex: 0 0 60px;
  height: 60px;
  background: var(--gradient-card);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.tech-card .tech-content h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.tech-card .tech-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* === AI 赋能 === */
.ai-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.ai-features {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.ai-feature-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.ai-feature-item .ai-icon {
  flex: 0 0 48px;
  height: 48px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.ai-feature-item h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.ai-feature-item p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.ai-image img {
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* === 专家展示 === */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.expert-card {
  text-align: center;
  padding: 32px 20px;
}

.expert-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-accent);
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: white;
}

.expert-card h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.expert-card .expert-title {
  font-size: 0.8rem;
  color: var(--neon-cyan);
  margin-bottom: 10px;
}

.expert-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* === 用户口碑 === */
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  padding: 28px;
}

.review-stars {
  color: var(--warm-gold);
  margin-bottom: 12px;
  font-size: 0.9rem;
  letter-spacing: 2px;
}

.review-card blockquote {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.review-author .avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
}

.review-author .name {
  font-weight: 600;
  font-size: 0.9rem;
}

.review-author .role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* === 视频卡片 === */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.video-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16/9;
  background: var(--glass-bg);
}

.video-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.video-card:hover img {
  transform: scale(1.05);
}

.video-card .play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  width: 64px;
  height: 64px;
  background: rgba(45, 127, 249, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.video-card:hover .play-btn {
  transform: translate(-50%, -50%) scale(1);
}

.video-card .play-btn::after {
  content: '';
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 10px 0 10px 18px;
  border-color: transparent transparent transparent white;
  margin-left: 4px;
}

.video-card .video-title {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 16px;
  background: linear-gradient(transparent, rgba(0,0,0,0.8));
  font-size: 0.9rem;
  font-weight: 600;
}

/* === 社区互动 === */
.community-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.forum-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.forum-item {
  display: flex;
  gap: 16px;
  padding: 20px;
  align-items: center;
}

.forum-item .forum-avatar {
  flex: 0 0 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gradient-card);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}

.forum-item .forum-content h5 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.forum-item .forum-content p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.share-section {
  padding: 24px;
}

.share-section h5 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.share-btns {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.share-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.88rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.share-btn:hover {
  background: rgba(45, 127, 249, 0.15);
  border-color: var(--electric-blue);
}

.share-btn .share-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.75rem;
}

.share-btn.wechat .share-icon { background: #07c160; }
.share-btn.weibo .share-icon { background: #e6162d; }
.share-btn.douyin .share-icon { background: #161823; }
.share-btn.bilibili .share-icon { background: #00a1d6; }

/* === 页脚 === */
.footer {
  position: relative;
  z-index: 1;
  border-top: 1px solid var(--glass-border);
  padding: 60px 0 30px;
  background: rgba(10, 14, 39, 0.5);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.footer-brand .footer-logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-col h5 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul a {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.footer-col ul a:hover {
  color: var(--neon-cyan);
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-bottom .update-time {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* === 内页通用 === */
.page-hero {
  padding: 120px 0 60px;
  text-align: center;
  position: relative;
  z-index: 1;
}

.page-hero h1 {
  font-size: 2.8rem;
  font-weight: 900;
  margin-bottom: 16px;
}

.page-hero .subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* 内容区域 */
.content-section {
  padding: 60px 0;
  position: relative;
  z-index: 1;
}

.content-article {
  max-width: 900px;
  margin: 0 auto;
}

.content-article h2 {
  font-size: 1.8rem;
  font-weight: 800;
  margin: 40px 0 20px;
}

.content-article h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin: 30px 0 16px;
}

.content-article h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 24px 0 12px;
  color: var(--neon-cyan);
}

.content-article p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}

.content-article img {
  border-radius: var(--radius-lg);
  margin: 24px 0;
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

/* 三层加密动效 */
.encryption-layers {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin: 40px 0;
}

.encryption-layer {
  display: flex;
  gap: 20px;
  align-items: center;
  padding: 24px;
  position: relative;
  overflow: hidden;
}

.encryption-layer::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  border-radius: 2px;
}

.encryption-layer.layer-1::after { background: var(--electric-blue); }
.encryption-layer.layer-2::after { background: var(--aurora-purple); }
.encryption-layer.layer-3::after { background: var(--neon-green); }

.layer-icon {
  flex: 0 0 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
}

.layer-1 .layer-icon { background: rgba(45, 127, 249, 0.2); }
.layer-2 .layer-icon { background: rgba(108, 60, 224, 0.2); }
.layer-3 .layer-icon { background: rgba(0, 255, 136, 0.2); }

.layer-content h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.layer-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* SVG 动效路径 */
.svg-animation {
  width: 100%;
  max-width: 600px;
  margin: 40px auto;
}

.svg-animation svg {
  width: 100%;
}

.svg-path-animate {
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawPath 3s ease forwards infinite;
}

@keyframes drawPath {
  0% { stroke-dashoffset: 1000; }
  50% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -1000; }
}

/* 交互式步骤条 */
.step-bar {
  display: flex;
  gap: 0;
  margin: 40px 0;
  position: relative;
}

.step-bar::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 0;
  right: 0;
  height: 3px;
  background: rgba(255,255,255,0.1);
  z-index: 0;
}

.step-item {
  flex: 1;
  text-align: center;
  cursor: pointer;
  position: relative;
  z-index: 1;
}

.step-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 2px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-weight: 700;
  transition: all 0.3s ease;
}

.step-item.active .step-circle {
  background: var(--gradient-accent);
  border-color: var(--electric-blue);
  box-shadow: 0 0 20px rgba(45, 127, 249, 0.4);
}

.step-item .step-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  transition: color 0.3s ease;
}

.step-item.active .step-label {
  color: var(--text-primary);
  font-weight: 600;
}

.step-content {
  margin-top: 32px;
}

.step-panel {
  display: none;
  animation: fadeIn 0.4s ease;
}

.step-panel.active {
  display: block;
}

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

/* === 论坛页面 === */
.forum-topics {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.topic-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  align-items: flex-start;
}

.topic-card .topic-votes {
  flex: 0 0 60px;
  text-align: center;
}

.topic-card .vote-count {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--neon-cyan);
}

.topic-card .vote-label {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.topic-card .topic-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.topic-card .topic-info p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 10px;
}

.topic-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.topic-tag {
  padding: 3px 10px;
  background: rgba(45, 127, 249, 0.1);
  border: 1px solid rgba(45, 127, 249, 0.2);
  border-radius: 12px;
  font-size: 0.72rem;
  color: var(--neon-cyan);
}

/* === 懒加载 === */
.lazy-load {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.lazy-load.visible {
  opacity: 1;
  transform: translateY(0);
}

/* === CSS 科技图标 === */
.tech-icon-shield {
  width: 48px;
  height: 48px;
  position: relative;
}

.tech-icon-shield::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 8px;
  width: 32px;
  height: 36px;
  border: 3px solid var(--neon-cyan);
  border-radius: 4px 4px 16px 16px;
}

.tech-icon-shield::after {
  content: '';
  position: absolute;
  top: 16px;
  left: 18px;
  width: 12px;
  height: 12px;
  border: 3px solid var(--neon-cyan);
  border-radius: 50%;
}

.tech-icon-lock {
  width: 48px;
  height: 48px;
  position: relative;
}

.tech-icon-lock::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 14px;
  width: 20px;
  height: 14px;
  border: 3px solid var(--electric-blue);
  border-bottom: none;
  border-radius: 10px 10px 0 0;
}

.tech-icon-lock::after {
  content: '';
  position: absolute;
  top: 18px;
  left: 10px;
  width: 28px;
  height: 22px;
  background: rgba(45, 127, 249, 0.2);
  border: 2px solid var(--electric-blue);
  border-radius: 4px;
}

.tech-icon-chain {
  width: 48px;
  height: 48px;
  position: relative;
}

.tech-icon-chain::before,
.tech-icon-chain::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 14px;
  border: 3px solid var(--aurora-purple);
  border-radius: 7px;
}

.tech-icon-chain::before {
  top: 10px;
  left: 6px;
  transform: rotate(-30deg);
}

.tech-icon-chain::after {
  top: 22px;
  left: 18px;
  transform: rotate(-30deg);
}

/* === 响应式 === */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-content h1 {
    font-size: 2.4rem;
  }

  .hero-image {
    max-width: 500px;
    margin: 0 auto;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .expert-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

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

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--glass-border);
  }

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

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    padding: 110px 0 60px;
    min-height: auto;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .hero-btns {
    flex-direction: column;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .news-grid,
  .review-grid,
  .video-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

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

  .page-hero h1 {
    font-size: 2rem;
  }

  .step-bar {
    flex-wrap: wrap;
    gap: 16px;
  }

  .step-item {
    flex: 0 0 calc(50% - 8px);
  }

  .glass-card {
    padding: 24px;
  }

  .price-ticker {
    flex-wrap: nowrap;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-content h1 {
    font-size: 1.7rem;
  }

  .section {
    padding: 50px 0;
  }

  .section-title {
    font-size: 1.4rem;
  }

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

  .stats-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* === 动画工具类 === */
.animate-float {
  animation: float 6s ease-in-out infinite;
}

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

.animate-glow {
  animation: textGlow 3s ease-in-out infinite;
}

@keyframes textGlow {
  0%, 100% { text-shadow: 0 0 10px rgba(0, 212, 255, 0.3); }
  50% { text-shadow: 0 0 20px rgba(0, 212, 255, 0.6), 0 0 40px rgba(108, 60, 224, 0.3); }
}