/* 基础重置 */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
body { 
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif; 
  overflow-x:hidden;
  background: #0a0b0e;
  color: #e8e6e3;
  line-height: 1.6;
}

/* 核心布局 */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.section { padding:100px 0; position: relative; }
.section:nth-child(even) { 
  background: linear-gradient(135deg, #12141a 0%, #1a1c24 100%);
  border-top: 1px solid rgba(255, 215, 0, 0.08);
  border-bottom: 1px solid rgba(255, 215, 0, 0.08);
}

/* 导航 — 赛博朋克风格 */
.site-header { 
  position:fixed; top:0; left:0; width:100%; z-index:1000; 
  background: rgba(10, 11, 14, 0.92); 
  backdrop-filter: blur(20px); 
  border-bottom: 1px solid rgba(255, 215, 0, 0.15);
  box-shadow: 0 4px 30px rgba(255, 215, 0, 0.05);
}
.header-inner { 
  display:flex; align-items:center; justify-content:space-between; 
  height:72px; max-width:1200px; margin:0 auto; padding:0 24px;
}
.logo { 
  display:flex; align-items:center; gap:12px; 
  font-weight:800; font-size:1.3rem; text-decoration:none; 
  color: #f0c040;
  letter-spacing: 1px;
  text-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}
.logo-icon { 
  width:40px; height:40px; 
  background: linear-gradient(135deg, #f0c040, #ff8c00);
  border-radius: 10px; 
  display:flex; align-items:center; justify-content:center; 
  font-size:1.2rem; 
  color: #0a0b0e;
  font-weight: 900;
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
}
.main-nav { display:flex; align-items:center; gap:32px; list-style:none; }
.main-nav a { 
  text-decoration:none; font-size:0.9rem; font-weight:500; 
  transition: 0.3s ease;
  color: rgba(232, 230, 227, 0.7);
  letter-spacing: 0.5px;
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #f0c040;
  transition: width 0.3s ease;
}
.main-nav a:hover { 
  color: #f0c040; 
}
.main-nav a:hover::after {
  width: 100%;
}
.nav-cta { 
  padding:10px 24px; 
  background: linear-gradient(135deg, #f0c040, #ff8c00);
  border-radius: 6px; 
  color: #0a0b0e!important; 
  font-weight:700; 
  letter-spacing: 0.5px;
  box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
  transition: all 0.3s ease;
}
.nav-cta:hover { 
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 215, 0, 0.4);
  color: #0a0b0e!important;
}
.nav-cta::after { display: none; }
.menu-toggle { 
  display:none; 
  background: none;
  border: 1px solid rgba(255, 215, 0, 0.3);
  color: #f0c040;
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.2rem;
}

/* 首页Hero — 加密货币暗黑奢华 */
.hero { 
  min-height: 85vh; 
  display:flex; 
  align-items:center; 
  position: relative;
  background: radial-gradient(ellipse at 20% 50%, rgba(255, 215, 0, 0.05) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 50%, rgba(255, 140, 0, 0.03) 0%, transparent 60%);
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3Cpattern id='grid' width='60' height='60' patternUnits='userSpaceOnUse'%3E%3Cpath d='M 60 0 L 0 0 0 60' fill='none' stroke='rgba(255,215,0,0.03)' stroke-width='0.5'/%3E%3C/pattern%3E%3C/defs%3E%3Crect width='100%25' height='100%25' fill='url(%23grid)'/%3E%3C/svg%3E");
  pointer-events: none;
}
.hero-content { max-width:680px; position: relative; z-index: 2; }
.hero-eyebrow { 
  display:inline-block; 
  font-size:0.75rem; 
  font-weight:700; 
  padding:6px 18px; 
  border-radius: 4px; 
  margin-bottom:24px; 
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid rgba(255, 215, 0, 0.2);
  color: #f0c040;
  letter-spacing: 3px;
  text-transform: uppercase;
}
.hero h1 { 
  font-size:3.5rem; 
  line-height:1.1; 
  margin-bottom:24px; 
  font-weight: 900;
  background: linear-gradient(135deg, #f0c040, #ff8c00, #f0c040);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
}
.hero p { 
  font-size:1.15rem; 
  opacity:0.6; 
  max-width:540px; 
  margin-bottom:40px; 
  color: rgba(232, 230, 227, 0.7);
  line-height: 1.7;
}
.hero-buttons { display:flex; gap:16px; }
.hero-image { 
  border-radius:16px; 
  overflow:hidden; 
  position: relative;
  border: 1px solid rgba(255, 215, 0, 0.1);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.hero-image img { width:100%; height:auto; }

/* 按钮 — 奢华金属质感 */
.btn { 
  display:inline-flex; 
  align-items:center; 
  gap:10px; 
  padding:14px 32px; 
  border-radius:6px; 
  font-weight:700; 
  cursor:pointer; 
  border:none; 
  text-decoration:none; 
  transition: all 0.3s ease;
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}
.btn-primary { 
  background: linear-gradient(135deg, #f0c040, #ff8c00);
  color: #0a0b0e!important; 
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(255, 215, 0, 0.4);
}
.btn-outline { 
  background:transparent; 
  border:1.5px solid rgba(255, 215, 0, 0.3);
  color: #f0c040;
}
.btn-outline:hover {
  border-color: #f0c040;
  background: rgba(255, 215, 0, 0.05);
  transform: translateY(-2px);
}

/* 标签/标题 */
.section-label { 
  display:inline-block; 
  font-size:0.7rem; 
  font-weight:700; 
  letter-spacing:4px; 
  margin-bottom:16px; 
  color: #f0c040;
  text-transform: uppercase;
  border-left: 3px solid #f0c040;
  padding-left: 12px;
}
.section-title { 
  font-size:2.4rem; 
  margin-bottom:16px; 
  font-weight: 800;
  color: #e8e6e3;
  line-height: 1.2;
}
.section-desc { 
  max-width:600px; 
  opacity:0.6; 
  margin-bottom:48px; 
  color: rgba(232, 230, 227, 0.6);
  font-size: 1.05rem;
}

/* 卡片网格 — 玻璃态 */
.cards-grid { 
  display:grid; 
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); 
  gap:24px; 
}
.category-card { 
  border-radius:16px; 
  padding:32px; 
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255, 215, 0, 0.08);
  backdrop-filter: blur(10px);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}
.category-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}
.category-card:hover { 
  transform: translateY(-6px); 
  border-color: rgba(255, 215, 0, 0.2);
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.category-card:hover::before {
  opacity: 1;
}
.card-icon { 
  width:52px; height:52px; 
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(255, 140, 0, 0.1));
  border-radius:12px; 
  display:flex; 
  align-items:center; 
  justify-content:center; 
  margin-bottom:20px; 
  font-size:1.5rem; 
  color: #f0c040;
  border: 1px solid rgba(255, 215, 0, 0.1);
}
.card-link { 
  font-weight:600; 
  font-size:0.85rem; 
  text-decoration:none; 
  color: #f0c040;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease;
}
.card-link:hover {
  gap: 12px;
}

/* 特性块 */
.feature-block { 
  display:grid; 
  grid-template-columns:1fr 1fr; 
  gap:64px; 
  align-items:center; 
}
.feature-image { 
  border-radius:16px; 
  overflow:hidden; 
  border: 1px solid rgba(255, 215, 0, 0.1);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.feature-image img { width:100%; height:auto; }
.feature-text { }
.feature-list { list-style:none; margin-top: 24px; }
.feature-list li { 
  padding:10px 0; 
  display:flex; 
  align-items:center; 
  gap:12px; 
  color: rgba(232, 230, 227, 0.8);
}
.feature-list li::before { 
  content:'◆'; 
  font-weight:700; 
  color: #f0c040;
  font-size: 0.7rem;
}

/* 数据条 */
.stats-bar { 
  display:grid; 
  grid-template-columns:repeat(4,1fr); 
  gap:24px; 
  text-align:center; 
}
.stat-item { 
  padding:32px 24px; 
  border-radius:16px; 
  border: 1px solid rgba(255, 215, 0, 0.08);
  background: rgba(255,255,255,0.02);
  backdrop-filter: blur(5px);
}
.stat-number { 
  font-size:2.8rem; 
  font-weight:900; 
  background: linear-gradient(135deg, #f0c040, #ff8c00);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label { 
  font-size:0.9rem; 
  opacity:0.6; 
  margin-top:8px; 
  color: rgba(232, 230, 227, 0.6);
  letter-spacing: 1px;
}

/* 内容墙 */
.content-wall { 
  display:grid; 
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); 
  gap:24px; 
}
.content-wall-item { 
  border-radius:16px; 
  overflow:hidden; 
  border: 1px solid rgba(255, 215, 0, 0.08);
  background: rgba(255,255,255,0.02);
  transition: all 0.4s ease;
}
.content-wall-item:hover { 
  transform:translateY(-6px); 
  border-color: rgba(255, 215, 0, 0.2);
  box-shadow:0 12px 40px rgba(0,0,0,0.3); 
}
.content-wall-item img { 
  width:100%; 
  height:220px; 
  object-fit:cover; 
  border-bottom: 1px solid rgba(255, 215, 0, 0.05);
}
.content-wall-body { padding:24px; }

/* FAQ */
.faq-list { max-width:800px; margin:0 auto; }
.faq-item { 
  border: 1px solid rgba(255, 215, 0, 0.08);
  border-radius:12px; 
  margin-bottom:12px; 
  overflow:hidden; 
  cursor:pointer; 
  background: rgba(255,255,255,0.02);
  transition: border-color 0.3s ease;
}
.faq-item:hover {
  border-color: rgba(255, 215, 0, 0.2);
}
.faq-item .faq-question { 
  padding:20px 24px; 
  font-weight:600; 
  display:flex; 
  justify-content:space-between; 
  align-items: center;
  color: #e8e6e3;
}
.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: #f0c040;
  transition: transform 0.3s ease;
}
.faq-item.open .faq-question::after {
  transform: rotate(45deg);
}
.faq-item .faq-answer { 
  padding:0 24px 20px; 
  display:none; 
  opacity:0.7; 
  color: rgba(232, 230, 227, 0.7);
  line-height: 1.7;
}
.faq-item.open .faq-answer { display:block; }

/* CTA横幅 */
.cta-banner { 
  padding:64px 32px; 
  text-align:center; 
  border-radius:16px; 
  background: linear-gradient(135deg, #f0c040, #ff8c00);
  color: #0a0b0e; 
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%; right: -50%; bottom: -50%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: pulseGlow 4s ease-in-out infinite;
}
@keyframes pulseGlow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}
.cta-banner h2 { 
  color: #0a0b0e; 
  font-size: 2.2rem;
  font-weight: 900;
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary { 
  background: #0a0b0e; 
  color: #f0c040!important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

/* 页脚 */
.site-footer { 
  padding:64px 0 32px; 
  background: #0a0b0e;
  border-top: 1px solid rgba(255, 215, 0, 0.08);
}
.footer-grid { 
  display:grid; 
  grid-template-columns:2fr 1fr 1fr 1fr; 
  gap:48px; 
}
.footer-brand { }
.footer-col { }
.footer-col h4 {
  color: #f0c040;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 20px;
  text-transform: uppercase;
}
.footer-col a {
  display: block;
  color: rgba(232, 230, 227, 0.5);
  text-decoration: none;
  padding: 6px 0;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}
.footer-col a:hover {
  color: #f0c040;
}
.footer-bottom { 
  border-top:1px solid rgba(255, 215, 0, 0.08); 
  margin-top:48px; 
  padding-top:24px; 
  text-align:center; 
  font-size:0.85rem; 
  color: rgba(232, 230, 227, 0.4);
}

/* 工具类 */
.text-accent { color: #f0c040; }
.text-center { text-align:center; }
.seo-description { max-width:600px; margin:0 auto 48px; opacity:0.6; color: rgba(232, 230, 227, 0.6); }
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ⚠️ 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap: 40px; }
  .stats-bar { grid-template-columns:repeat(2,1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; }
  .main-nav { display:none; }
  .menu-toggle { display:flex; }
  .main-nav.open { 
    display:flex; 
    flex-direction:column; 
    position:absolute; 
    top:72px; 
    left:0; 
    width:100%; 
    background: rgba(10, 11, 14, 0.98);
    backdrop-filter: blur(20px);
    padding:24px; 
    gap: 16px;
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
  }
  .main-nav.open a {
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 215, 0, 0.05);
  }
  .hero h1 { font-size: 2.4rem; }
  .section-title { font-size: 1.8rem; }
  .hero { min-height: 60vh; }
}
@media (max-width: 480px) {
  .cards-grid,.content-wall,.stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap: 32px; }
  .hero-buttons { flex-direction:column; }
  .hero h1 { font-size: 2rem; }
  .section-title { font-size: 1.5rem; }
  .stat-number { font-size: 2rem; }
  .cta-banner h2 { font-size: 1.6rem; }
}