/* ============================================
   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
   ============================================ */

/* === 基础重置与变量 === */
:root {
  --deep-blue: #0a0e27;
  --space-blue: #0f1642;
  --aurora-purple: #6c3ce0;
  --aurora-light: #a855f7;
  --neon-blue: #3b82f6;
  --neon-cyan: #06b6d4;
  --neon-green: #10b981;
  --danger-red: #ef4444;
  --warning-yellow: #f59e0b;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --glass-bg: rgba(15, 22, 66, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --card-radius: 16px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
  background: linear-gradient(135deg, var(--deep-blue) 0%, var(--space-blue) 40%, #1a1050 70%, #2d1b69 100%);
  color: var(--text-primary);
  line-height: 1.7;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* === 粒子/网格背景 === */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-image:
    linear-gradient(rgba(99, 102, 241, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99, 102, 241, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  z-index: 0;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(ellipse at 20% 50%, rgba(108, 60, 224, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(168, 85, 247, 0.05) 0%, transparent 50%);
  animation: floatBg 20s ease-in-out infinite;
  z-index: 0;
  pointer-events: none;
}

@keyframes floatBg {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(2%, -1%) rotate(1deg); }
  66% { transform: translate(-1%, 2%) rotate(-1deg); }
}

/* === 容器 === */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* === 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(--card-radius);
  box-shadow: var(--glass-shadow);
  transition: var(--transition);
  overflow: hidden;
}

.glass-card:hover {
  border-color: rgba(108, 60, 224, 0.3);
  box-shadow: 0 12px 40px rgba(108, 60, 224, 0.15);
  transform: translateY(-2px);
}

/* === 头部导航 === */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(10, 14, 39, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.15rem;
  flex-shrink: 0;
}

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

.logo-icon::before {
  content: '';
  position: absolute;
  width: 18px; height: 18px;
  border: 2.5px solid white;
  border-radius: 3px;
  transform: rotate(45deg);
  top: 50%; left: 50%;
  margin-top: -9px; margin-left: -9px;
}

.logo-icon::after {
  content: '';
  position: absolute;
  width: 7px; height: 7px;
  background: white;
  border-radius: 50%;
  top: 50%; left: 50%;
  margin-top: -3.5px; margin-left: -3.5px;
}

/* 导航菜单 */
.nav-menu {
  display: flex;
  list-style: none;
  gap: 4px;
}

.nav-menu a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.88rem;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--text-primary);
  background: rgba(108, 60, 224, 0.15);
}

.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* === 搜索框 - 紧凑在导航栏下方 === */
.search-bar {
  max-width: 1400px;
  margin: 0 auto;
  padding: 8px 20px;
  background: rgba(10, 14, 39, 0.4);
  border-bottom: 1px solid var(--glass-border);
}

.search-wrapper {
  position: relative;
  max-width: 560px;
  margin: 0 auto;
}

.search-wrapper input {
  width: 100%;
  padding: 8px 18px 8px 40px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  color: var(--text-primary);
  font-size: 0.85rem;
  outline: none;
  transition: var(--transition);
}

.search-wrapper input:focus {
  border-color: var(--aurora-purple);
  box-shadow: 0 0 16px rgba(108, 60, 224, 0.2);
}

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

.search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 14px; height: 14px;
  border: 2px solid var(--text-muted);
  border-radius: 50%;
}

.search-icon::after {
  content: '';
  position: absolute;
  width: 5px; height: 2px;
  background: var(--text-muted);
  bottom: -3px; right: -3px;
  transform: rotate(45deg);
  border-radius: 1px;
}

.search-result-overlay {
  display: none;
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  margin-top: 8px;
  padding: 16px;
  background: rgba(15, 22, 66, 0.95);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  text-align: center;
  color: var(--neon-cyan);
  font-size: 0.88rem;
  z-index: 100;
}

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

/* === Hero 区域 === */
.hero-section {
  padding: 120px 0 60px;
  text-align: center;
  position: relative;
}

.hero-section h1 {
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #fff 0%, var(--aurora-light) 50%, var(--neon-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-section .subtitle {
  font-size: clamp(0.92rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 24px;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

/* === 按钮 === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  border-radius: 12px;
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--aurora-purple), var(--neon-blue));
  color: white;
  box-shadow: 0 4px 20px rgba(108, 60, 224, 0.4);
}

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

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
}

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

/* === 区块标题 === */
.section-title {
  text-align: center;
  margin-bottom: 36px;
}

.section-title h2 {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.section-title p {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  font-size: 0.92rem;
}

.section-tag {
  display: inline-block;
  padding: 3px 12px;
  background: rgba(108, 60, 224, 0.15);
  border: 1px solid rgba(108, 60, 224, 0.3);
  border-radius: 20px;
  font-size: 0.78rem;
  color: var(--aurora-light);
  margin-bottom: 10px;
}

/* === 网格布局 - 等高卡片 === */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; align-items: stretch; }

/* 确保grid内卡片等高 */
.grid-3 > .glass-card,
.grid-4 > .glass-card {
  display: flex;
  flex-direction: column;
}

.grid-3 > .glass-card > .card-body,
.grid-3 > .news-card > .card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.grid-3 > .glass-card > .card-body > p,
.grid-3 > .news-card > .card-body > p {
  flex: 1;
}

/* === 仪表盘 === */
.dashboard-section {
  padding: 60px 0;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 20px;
}

.stat-card {
  padding: 22px 16px;
  text-align: center;
}

.stat-card .stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-green));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.stat-card .stat-label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.stat-card .stat-change {
  font-size: 0.78rem;
  margin-top: 6px;
}

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

@keyframes pulse-number {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

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

/* === 新闻/文章卡片 === */
.news-card {
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.news-card .card-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  flex-shrink: 0;
}

.news-card .card-body {
  padding: 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-card h4, .news-card h5, .news-card h6 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
  color: var(--text-primary);
}

.news-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}

.news-card .card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--glass-border);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.card-tag {
  display: inline-block;
  padding: 2px 10px;
  background: rgba(108, 60, 224, 0.15);
  border-radius: 12px;
  font-size: 0.73rem;
  color: var(--aurora-light);
  margin-bottom: 8px;
}

/* === 视频卡片 === */
.video-card {
  position: relative;
  cursor: pointer;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.video-card .video-thumb {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: var(--transition);
  flex-shrink: 0;
}

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

.video-play-btn {
  position: absolute;
  top: 100px;
  left: 50%;
  transform: translateX(-50%) scale(0);
  width: 56px; height: 56px;
  background: rgba(108, 60, 224, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  box-shadow: 0 4px 20px rgba(108, 60, 224, 0.5);
  z-index: 2;
}

.video-play-btn::after {
  content: '';
  width: 0; height: 0;
  border-style: solid;
  border-width: 9px 0 9px 16px;
  border-color: transparent transparent transparent white;
  margin-left: 3px;
}

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

.video-card .video-info {
  padding: 14px 16px;
  flex: 1;
}

.video-card .video-info h5 {
  font-size: 0.9rem;
  margin-bottom: 4px;
  line-height: 1.4;
}

.video-card .video-info span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* === 专家展示 === */
.expert-card {
  padding: 22px 16px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.expert-avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--aurora-purple), var(--neon-blue));
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 700;
  color: white;
  position: relative;
  flex-shrink: 0;
}

.expert-avatar::after {
  content: '';
  position: absolute;
  bottom: 2px; right: 2px;
  width: 12px; height: 12px;
  background: var(--neon-green);
  border-radius: 50%;
  border: 2px solid var(--deep-blue);
}

.expert-card h5 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.expert-card .expert-title {
  font-size: 0.78rem;
  color: var(--aurora-light);
  margin-bottom: 8px;
}

.expert-card p {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.6;
  flex: 1;
}

/* === 用户评价 === */
.review-card {
  padding: 22px;
  display: flex;
  flex-direction: column;
}

.review-stars {
  color: var(--warning-yellow);
  margin-bottom: 10px;
  font-size: 0.88rem;
  letter-spacing: 2px;
}

.review-card blockquote {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
  font-style: italic;
  flex: 1;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-author-avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-cyan));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 600;
  color: white;
  flex-shrink: 0;
}

.review-author-info .name {
  font-size: 0.88rem;
  font-weight: 600;
}

.review-author-info .date {
  font-size: 0.73rem;
  color: var(--text-muted);
}

/* === 社交分享 === */
.share-section {
  padding: 50px 0;
  text-align: center;
}

.share-buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
  color: white;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}

.share-btn.wechat { background: #07c160; }
.share-btn.weibo { background: #e6162d; }
.share-btn.douyin { background: #161823; border: 1px solid rgba(255,255,255,0.2); }
.share-btn.bilibili { background: #00a1d6; }

.share-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* === SEO底部内容区 === */
.seo-content {
  padding: 40px 0;
}

.seo-content .glass-card {
  padding: 28px 32px;
}

.seo-content h4 {
  font-size: 1.05rem;
  margin-bottom: 14px;
  color: var(--aurora-light);
}

.seo-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 12px;
}

/* === 面包屑 === */
.breadcrumb {
  padding: 90px 0 16px;
  font-size: 0.83rem;
  color: var(--text-muted);
}

.breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: var(--aurora-light);
}

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

/* === 内页内容区 === */
.page-content {
  padding: 30px 0 60px;
}

.content-block {
  padding: 28px;
  margin-bottom: 24px;
}

.content-block h2 {
  font-size: 1.4rem;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.content-block h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.content-block h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--aurora-light);
}

.content-block p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 14px;
}

.content-block ul, .content-block ol {
  padding-left: 20px;
  margin-bottom: 14px;
}

.content-block li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 5px;
}

/* === 步骤条 === */
.step-bar {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  overflow-x: auto;
}

.step-item {
  flex: 1;
  padding: 14px 16px;
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.85rem;
  color: var(--text-muted);
  position: relative;
  min-width: 110px;
}

.step-item:first-child { border-radius: 10px 0 0 10px; }
.step-item:last-child { border-radius: 0 10px 10px 0; }

.step-item.active {
  background: rgba(108, 60, 224, 0.2);
  border-color: var(--aurora-purple);
  color: var(--text-primary);
}

.step-item .step-num {
  display: block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--aurora-purple);
  margin-bottom: 3px;
}

.step-item.active .step-num { color: var(--aurora-light); }

.step-content {
  display: none;
  padding: 20px;
}

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

/* === SVG 动效区域 === */
.svg-animation-container {
  width: 100%;
  max-width: 800px;
  margin: 24px auto;
  padding: 16px;
}

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

@keyframes dataFlow {
  0% { stroke-dashoffset: 100; opacity: 0; }
  50% { opacity: 1; }
  100% { stroke-dashoffset: 0; opacity: 0; }
}

@keyframes layerPulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.encrypt-layer { animation: layerPulse 3s ease-in-out infinite; }
.encrypt-layer:nth-child(2) { animation-delay: 1s; }
.encrypt-layer:nth-child(3) { animation-delay: 2s; }
.data-path { stroke-dasharray: 100; animation: dataFlow 3s linear infinite; }

/* === 页脚 === */
.site-footer {
  background: rgba(5, 8, 22, 0.85);
  backdrop-filter: blur(10px);
  border-top: 1px solid var(--glass-border);
  padding: 48px 0 24px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.footer-brand p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 10px;
}

.footer-col h4 {
  font-size: 0.92rem;
  font-weight: 600;
  margin-bottom: 14px;
  color: var(--text-primary);
}

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

.footer-col ul li { margin-bottom: 7px; }

.footer-col ul li a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

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

.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;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* === 懒加载 - 默认可见 === */
.lazy-load {
  opacity: 1;
  transform: translateY(0);
}

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

/* === 科技图标 (纯CSS) === */
.tech-icon {
  width: 48px; height: 48px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.icon-shield {
  width: 36px; height: 40px;
  background: linear-gradient(135deg, var(--neon-blue), var(--aurora-purple));
  clip-path: polygon(50% 0%, 100% 20%, 100% 70%, 50% 100%, 0% 70%, 0% 20%);
}

.icon-lock::before {
  content: '';
  display: block;
  width: 20px; height: 14px;
  border: 3px solid var(--neon-cyan);
  border-radius: 10px 10px 0 0;
  margin: 0 auto 0;
}

.icon-lock::after {
  content: '';
  display: block;
  width: 26px; height: 18px;
  background: linear-gradient(135deg, var(--neon-blue), var(--aurora-purple));
  border-radius: 4px;
  margin: 0 auto;
}

.icon-chain {
  width: 40px; height: 40px;
  position: relative;
}

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

.icon-chain::before { top: 8px; left: 2px; transform: rotate(-30deg); }
.icon-chain::after { bottom: 8px; right: 2px; transform: rotate(-30deg); }

.icon-wallet {
  width: 36px; height: 30px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue));
  border-radius: 6px;
  position: relative;
}

.icon-wallet::after {
  content: '';
  position: absolute;
  right: -4px; top: 50%;
  transform: translateY(-50%);
  width: 14px; height: 10px;
  background: var(--deep-blue);
  border-radius: 4px 0 0 4px;
  border: 2px solid var(--neon-cyan);
}

/* === 论坛/社区 === */
.forum-post {
  padding: 18px 20px;
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition);
}

.forum-post:last-child { border-bottom: none; }
.forum-post:hover { background: rgba(108, 60, 224, 0.05); }

.forum-post .post-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.forum-post .post-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
}

.forum-post .post-meta {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  margin-left: 12px;
}

.forum-post .post-excerpt {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.forum-post .post-tags {
  display: flex;
  gap: 6px;
  margin-top: 8px;
  flex-wrap: wrap;
}

.forum-tag {
  padding: 2px 10px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 12px;
  font-size: 0.73rem;
  color: var(--neon-blue);
}

/* === 响应式 === */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .header-inner { height: 56px; }

  .nav-menu {
    display: none;
    position: absolute;
    top: 56px; left: 0; right: 0;
    background: rgba(10, 14, 39, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 16px;
    border-bottom: 1px solid var(--glass-border);
  }

  .nav-menu.active { display: flex; }
  .mobile-toggle { display: flex; }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr; }

  .hero-section { padding: 100px 0 40px; }
  .hero-section h1 { font-size: 1.6rem; }

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

  .step-bar { flex-direction: column; }
  .step-item { border-radius: 0 !important; }
  .step-item:first-child { border-radius: 10px 10px 0 0 !important; }
  .step-item:last-child { border-radius: 0 0 10px 10px !important; }

  .content-block { padding: 18px; }

  .search-bar { padding: 6px 16px; }
}

@media (max-width: 480px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; align-items: center; }
  .share-buttons { flex-direction: column; align-items: center; }
  .stat-card .stat-value { font-size: 1.3rem; }
  .hero-section { padding: 90px 0 30px; }
}

/* === 页面过渡 === */
.page-section {
  padding: 60px 0;
}

.page-section:nth-child(even) {
  background: rgba(0, 0, 0, 0.08);
}

/* === 图片容器 === */
.img-container {
  border-radius: 12px;
  overflow: hidden;
  position: relative;
}

.img-container img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition);
}

.img-container:hover img {
  transform: scale(1.03);
}

/* === 标签列表 === */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

.tag-item {
  padding: 4px 14px;
  background: rgba(108, 60, 224, 0.1);
  border: 1px solid rgba(108, 60, 224, 0.2);
  border-radius: 20px;
  font-size: 0.78rem;
  color: var(--aurora-light);
  transition: var(--transition);
}

.tag-item:hover { background: rgba(108, 60, 224, 0.2); }

/* === 滚动条 === */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--deep-blue); }
::-webkit-scrollbar-thumb { background: var(--aurora-purple); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--aurora-light); }

/* === 文字渐变 === */
.gradient-text {
  background: linear-gradient(135deg, var(--aurora-light), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* === 脉冲动画 === */
@keyframes ripple {
  0% { box-shadow: 0 0 0 0 rgba(108, 60, 224, 0.4); }
  100% { box-shadow: 0 0 0 20px rgba(108, 60, 224, 0); }
}

.pulse-effect { animation: ripple 2s ease-out infinite; }

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

.count-animate { animation: countUp 0.6s ease forwards; }

/* === 内页特殊样式 === */
.security-layers {
  display: flex;
  gap: 18px;
  margin: 24px 0;
  flex-wrap: wrap;
}

.security-layer {
  flex: 1;
  min-width: 180px;
  padding: 20px;
  text-align: center;
  position: relative;
}

.security-layer .layer-num {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--aurora-purple), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.security-layer h4 { margin: 6px 0; font-size: 0.95rem; }
.security-layer p { font-size: 0.82rem; color: var(--text-secondary); }

.security-layers .security-layer:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -10px;
  top: 50%;
  width: 20px;
  height: 2px;
  background: linear-gradient(90deg, var(--aurora-purple), transparent);
}

@media (max-width: 768px) {
  .security-layers { flex-direction: column; }
  .security-layers .security-layer::after { display: none; }
}