/* ========================================
   Trust冷钱包 - 全站样式表
   深空蓝到极光紫渐变色系 + 磨砂玻璃效果
   ======================================== */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Noto+Sans+SC:wght@300;400;500;700;900&display=swap');

/* CSS Variables */
:root {
  --deep-space-blue: #0a0e27;
  --aurora-purple: #6c3ce0;
  --aurora-purple-light: #8b5cf6;
  --neon-blue: #00d4ff;
  --neon-green: #00ff88;
  --cyber-pink: #ff006e;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: rgba(0, 0, 0, 0.3);
  --text-primary: #ffffff;
  --text-secondary: rgba(255, 255, 255, 0.7);
  --text-muted: rgba(255, 255, 255, 0.5);
  --gradient-main: linear-gradient(135deg, #0a0e27 0%, #1a1040 30%, #2d1b69 60%, #6c3ce0 100%);
  --gradient-card: linear-gradient(135deg, rgba(108, 60, 224, 0.15), rgba(0, 212, 255, 0.1));
  --gradient-accent: linear-gradient(135deg, #6c3ce0, #00d4ff);
  --gradient-btn: linear-gradient(135deg, #6c3ce0, #8b5cf6, #00d4ff);
  --font-main: 'Inter', 'Noto Sans SC', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
}

/* Reset & Base */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-main);
  background: var(--deep-space-blue);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}

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

a:hover {
  color: var(--aurora-purple-light);
  text-shadow: 0 0 10px rgba(139, 92, 246, 0.5);
}

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

/* ========== Particle Background ========== */
.particle-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: var(--gradient-main);
}

.particle-bg::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(2px 2px at 20px 30px, rgba(0, 212, 255, 0.4), transparent),
    radial-gradient(2px 2px at 40px 70px, rgba(139, 92, 246, 0.3), transparent),
    radial-gradient(1px 1px at 90px 40px, rgba(255, 255, 255, 0.3), transparent),
    radial-gradient(1px 1px at 130px 80px, rgba(0, 255, 136, 0.2), transparent),
    radial-gradient(2px 2px at 160px 30px, rgba(108, 60, 224, 0.4), transparent);
  background-size: 200px 100px;
  animation: particleFloat 20s linear infinite;
}

.particle-bg::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: gridMove 30s linear infinite;
}

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

@keyframes gridMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(60px, 60px); }
}

/* ========== Glass Card ========== */
.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);
  box-shadow: 0 8px 32px var(--glass-shadow);
  transition: all 0.4s ease;
}

.glass-card:hover {
  border-color: rgba(108, 60, 224, 0.4);
  box-shadow: 0 12px 48px rgba(108, 60, 224, 0.15);
  transform: translateY(-4px);
}

/* ========== Container ========== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ========== Header ========== */
.site-header {
  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;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  max-width: 1280px;
  margin: 0 auto;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-area img {
  height: 36px;
  width: auto;
}

.logo-area .brand-name {
  font-size: 1.2rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.main-nav a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--text-primary);
  background: rgba(108, 60, 224, 0.2);
}

.nav-download-btn {
  background: var(--gradient-btn) !important;
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: var(--radius-xl) !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 15px rgba(108, 60, 224, 0.4);
}

.nav-download-btn:hover {
  box-shadow: 0 6px 25px rgba(108, 60, 224, 0.6) !important;
  transform: translateY(-1px);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* Search Bar */
.search-bar {
  background: rgba(10, 14, 39, 0.6);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  padding: 10px 0;
}

.search-wrapper {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  padding: 0 20px;
}

.search-wrapper input {
  width: 100%;
  padding: 10px 20px 10px 44px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-family: var(--font-main);
  outline: none;
  transition: all 0.3s ease;
}

.search-wrapper input:focus {
  border-color: var(--aurora-purple);
  box-shadow: 0 0 20px rgba(108, 60, 224, 0.2);
}

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

.search-icon {
  position: absolute;
  left: 34px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1rem;
}

.search-result-overlay {
  display: none;
  position: absolute;
  top: 100%;
  left: 20px;
  right: 20px;
  background: rgba(26, 16, 64, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-top: 8px;
  z-index: 100;
  color: var(--neon-blue);
  font-size: 0.9rem;
  animation: fadeIn 0.3s ease;
}

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

/* ========== Breadcrumb ========== */
.breadcrumb {
  padding: 15px 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

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

.breadcrumb span {
  margin: 0 8px;
  color: var(--text-muted);
}

/* ========== Hero Section ========== */
.hero-section {
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.hero-content h1 {
  font-size: 2.8rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #fff 0%, #00d4ff 50%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content h2 {
  font-size: 1.3rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 30px;
  line-height: 1.6;
}

.hero-content p {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 30px;
  line-height: 1.8;
}

.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.hero-image img {
  max-width: 420px;
  width: 100%;
  filter: drop-shadow(0 20px 60px rgba(108, 60, 224, 0.3));
  animation: heroFloat 6s ease-in-out infinite;
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

/* Hero Glow */
.hero-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 60, 224, 0.2) 0%, transparent 70%);
  top: 50%;
  right: -10%;
  transform: translateY(-50%);
  pointer-events: none;
}

/* ========== Buttons ========== */
.btn-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: var(--gradient-btn);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(108, 60, 224, 0.4);
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108, 60, 224, 0.6);
  color: #fff;
}

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

.btn-secondary:hover {
  border-color: var(--aurora-purple);
  background: rgba(108, 60, 224, 0.1);
  color: #fff;
}

/* ========== Section Titles ========== */
.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 15px;
  background: linear-gradient(135deg, #fff, #00d4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-title h3 {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.section-title p {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ========== Dashboard Section ========== */
.dashboard-section {
  padding: 80px 0;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.dash-card {
  padding: 28px 20px;
  text-align: center;
}

.dash-card .dash-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 15px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}

.dash-card .dash-icon.blue { background: rgba(0, 212, 255, 0.15); color: var(--neon-blue); }
.dash-card .dash-icon.purple { background: rgba(108, 60, 224, 0.15); color: var(--aurora-purple-light); }
.dash-card .dash-icon.green { background: rgba(0, 255, 136, 0.15); color: var(--neon-green); }
.dash-card .dash-icon.pink { background: rgba(255, 0, 110, 0.15); color: var(--cyber-pink); }

.dash-card .dash-value {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.dash-card .dash-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.dash-card .dash-change {
  font-size: 0.8rem;
  margin-top: 6px;
  font-weight: 600;
}

.dash-change.up { color: var(--neon-green); }
.dash-change.down { color: var(--cyber-pink); }

/* Animated Number */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.animated-value {
  animation: pulse 2s ease-in-out infinite;
}

/* ========== News Section ========== */
.news-section {
  padding: 80px 0;
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.news-card {
  padding: 0;
  overflow: hidden;
}

.news-card .news-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.news-card .news-body {
  padding: 24px;
}

.news-card .news-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(108, 60, 224, 0.2);
  color: var(--aurora-purple-light);
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.news-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.5;
  color: var(--text-primary);
}

.news-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 15px;
}

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

/* ========== Tech Info Section ========== */
.tech-section {
  padding: 80px 0;
}

.tech-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tech-card {
  padding: 30px;
}

.tech-card h5 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--neon-blue);
}

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

.tech-card .tech-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

/* ========== Expert Section ========== */
.expert-section {
  padding: 80px 0;
}

.expert-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.expert-card {
  padding: 24px;
  text-align: center;
}

.expert-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 16px;
  object-fit: cover;
  border: 2px solid var(--aurora-purple);
}

.expert-card h6 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
  color: var(--text-primary);
}

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

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

/* ========== Reviews Section ========== */
.reviews-section {
  padding: 80px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.review-card {
  padding: 28px;
}

.review-stars {
  color: #ffd700;
  font-size: 1rem;
  margin-bottom: 14px;
  letter-spacing: 2px;
}

.review-card p {
  font-size: 0.9rem;
  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 img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
}

.review-author .author-info strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.review-author .author-info span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* ========== Share Section ========== */
.share-section {
  padding: 60px 0;
}

.share-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-primary);
  text-decoration: none;
}

.share-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(108, 60, 224, 0.3);
}

.share-btn.wechat { border-color: rgba(7, 193, 96, 0.4); }
.share-btn.weibo { border-color: rgba(230, 22, 45, 0.4); }
.share-btn.douyin { border-color: rgba(254, 44, 85, 0.4); }
.share-btn.bilibili { border-color: rgba(0, 161, 214, 0.4); }

/* ========== Video Card ========== */
.video-card {
  position: relative;
  overflow: hidden;
  cursor: pointer;
  border-radius: var(--radius-lg);
}

.video-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: rgba(108, 60, 224, 0.8);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: all 0.3s ease;
}

.video-card:hover .video-play-btn {
  opacity: 1;
}

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

/* ========== Community Section ========== */
.community-section {
  padding: 80px 0;
}

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

.forum-item {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.forum-item .forum-info h5 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.forum-item .forum-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.forum-item .forum-stats {
  display: flex;
  gap: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ========== Footer ========== */
.site-footer {
  background: rgba(5, 7, 18, 0.8);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--glass-border);
  padding: 60px 0 30px;
}

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

.footer-brand .brand-name {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

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

.footer-contact p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
  line-height: 1.6;
}

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom .update-time {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ========== Page Content (Inner Pages) ========== */
.page-hero {
  padding: 130px 0 60px;
  text-align: center;
  position: relative;
}

.page-hero h1 {
  font-size: 2.4rem;
  font-weight: 900;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff, #00d4ff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

.content-section {
  padding: 60px 0;
}

.content-section h2,
.content-section h3 {
  color: var(--text-primary);
  margin-bottom: 16px;
}

.content-section h2 {
  font-size: 1.8rem;
  font-weight: 800;
}

.content-section h3 {
  font-size: 1.4rem;
  font-weight: 700;
}

.content-section p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
}

.content-section .content-img {
  width: 100%;
  max-width: 720px;
  border-radius: var(--radius-md);
  margin: 20px auto;
  display: block;
}

/* ========== Steps Component ========== */
.steps-container {
  margin: 40px 0;
}

.steps-nav {
  display: flex;
  gap: 0;
  margin-bottom: 30px;
  overflow-x: auto;
}

.step-btn {
  flex: 1;
  padding: 16px 20px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: var(--font-main);
  white-space: nowrap;
  text-align: center;
}

.step-btn:first-child {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.step-btn:last-child {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.step-btn.active {
  background: var(--gradient-btn);
  color: #fff;
  border-color: var(--aurora-purple);
}

.step-content {
  display: none;
  padding: 30px;
  animation: fadeIn 0.4s ease;
}

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

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

/* ========== Security Layers ========== */
.security-layers {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin: 40px 0;
}

.security-layer {
  padding: 30px;
  position: relative;
  overflow: hidden;
}

.security-layer::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-accent);
  border-radius: 2px;
}

.security-layer h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--neon-blue);
  margin-bottom: 12px;
}

.security-layer p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ========== SVG Animation Container ========== */
.svg-animation-container {
  width: 100%;
  max-width: 600px;
  margin: 30px auto;
  padding: 20px;
}

.svg-animation-container svg {
  width: 100%;
  height: auto;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-image img {
    max-width: 300px;
  }

  .hero-content h1 {
    font-size: 2.2rem;
  }

  .btn-group {
    justify-content: center;
  }

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

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

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

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

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

  .main-nav {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--glass-border);
    z-index: 999;
  }

  .main-nav.active {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }

  .hero-section {
    padding: 110px 0 50px;
  }

  .hero-content h1 {
    font-size: 1.8rem;
  }

  .hero-content h2 {
    font-size: 1.1rem;
  }

  .dashboard-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  .dash-card .dash-value {
    font-size: 1.4rem;
  }

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

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

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

  .section-title h2 {
    font-size: 1.6rem;
  }

  .page-hero h1 {
    font-size: 1.8rem;
  }

  .steps-nav {
    flex-direction: column;
  }

  .step-btn {
    border-radius: var(--radius-sm) !important;
  }

  .security-layers {
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 1.5rem;
  }

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

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

  .share-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-group {
    flex-direction: column;
    align-items: center;
  }
}

/* ========== Lazy Loading ========== */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.5s ease;
}

img[loading="lazy"].loaded {
  opacity: 1;
}

/* ========== Utility Classes ========== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.mt-20 { margin-top: 20px; }
.mt-40 { margin-top: 40px; }
.mb-20 { margin-bottom: 20px; }
.mb-40 { margin-bottom: 40px; }
.pt-40 { padding-top: 40px; }
.pb-40 { padding-bottom: 40px; }

/* ========== CSS Icons ========== */
.icon-shield {
  width: 40px;
  height: 44px;
  position: relative;
  display: inline-block;
}

.icon-shield::before {
  content: '';
  position: absolute;
  width: 40px;
  height: 44px;
  background: var(--gradient-accent);
  clip-path: polygon(50% 0%, 100% 15%, 100% 65%, 50% 100%, 0% 65%, 0% 15%);
}

.icon-shield::after {
  content: '';
  position: absolute;
  top: 14px;
  left: 12px;
  width: 16px;
  height: 10px;
  border-left: 3px solid #fff;
  border-bottom: 3px solid #fff;
  transform: rotate(-45deg);
}

.icon-lock {
  width: 32px;
  height: 40px;
  position: relative;
  display: inline-block;
}

.icon-lock::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 2px;
  width: 28px;
  height: 22px;
  background: var(--neon-blue);
  border-radius: 4px;
}

.icon-lock::after {
  content: '';
  position: absolute;
  top: 0;
  left: 7px;
  width: 18px;
  height: 20px;
  border: 3px solid var(--neon-blue);
  border-bottom: none;
  border-radius: 9px 9px 0 0;
}

.icon-chain {
  width: 40px;
  height: 20px;
  position: relative;
  display: inline-flex;
  align-items: center;
}

.icon-chain::before,
.icon-chain::after {
  content: '';
  width: 24px;
  height: 16px;
  border: 3px solid var(--aurora-purple-light);
  border-radius: 8px;
}

.icon-chain::after {
  margin-left: -8px;
  border-color: var(--neon-blue);
}

/* ========== Scrollbar ========== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--deep-space-blue);
}

::-webkit-scrollbar-thumb {
  background: var(--aurora-purple);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--aurora-purple-light);
}

/* ========== Download Section ========== */
.download-section {
  padding: 80px 0;
  text-align: center;
}

.download-btns {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 30px;
}

/* ========== SVG Animation Override ========== */
.svg-animation-container {
  max-width: 800px;
}

/* ========== Video Grid ========== */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.video-caption {
  padding: 16px;
}

.video-caption h5 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.video-caption p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ========== Forum Item Enhancements ========== */
.forum-item .forum-info p {
  margin-top: 8px;
  line-height: 1.7;
}

/* ========== Responsive Additions ========== */
@media (max-width: 768px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
  
  .forum-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  
  .svg-animation-container {
    padding: 20px 10px !important;
    overflow-x: auto;
  }
}