/* roulang page: index */
:root {
      --deep-bg: #050814;
      --primary-dark: #0A0F1E;
      --neon-cyan: #00F0B5;
      --warm-gold: #FFB347;
      --text-white: #FFFFFF;
      --text-light-steel: #B0C4DE;
      --text-muted: #6B7B8D;
      --glass-bg: rgba(255, 255, 255, 0.03);
      --glass-border: rgba(255, 255, 255, 0.06);
      --glass-hover-bg: rgba(255, 255, 255, 0.06);
      --glass-hover-border: rgba(0, 240, 181, 0.3);
      --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
      --shadow-glow: 0 0 20px rgba(0, 240, 181, 0.4), 0 4px 12px rgba(0,0,0,0.3);
      --radius-lg: 16px;
      --radius-pill: 50px;
      --font-inter: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
      --transition: 0.3s ease;
    }
    
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    
    body {
      background-color: var(--deep-bg);
      color: var(--text-light-steel);
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }
    
    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    
    /* 导航 */
    .navbar {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 72px;
      background: rgba(5, 8, 20, 0.7);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(255,255,255,0.05);
      z-index: 1000;
      display: flex;
      align-items: center;
      transition: var(--transition);
    }
    
    .nav-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }
    
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
      color: var(--text-white);
      font-weight: 700;
      font-size: 1.5rem;
      letter-spacing: -0.3px;
    }
    .logo i {
      font-size: 28px;
      color: var(--neon-cyan);
    }
    
    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
    }
    
    .nav-links a {
      color: var(--text-light-steel);
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
      transition: color 0.2s;
      position: relative;
      padding-bottom: 6px;
    }
    
    .nav-links a:hover,
    .nav-links a.active {
      color: var(--neon-cyan);
    }
    
    .nav-links a.active::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--neon-cyan);
      box-shadow: 0 0 8px var(--neon-cyan);
    }
    
    .btn-primary {
      background: linear-gradient(135deg, #00F0B5 0%, #00C9A7 100%);
      color: #0A0F1E;
      font-weight: 600;
      padding: 12px 28px;
      border-radius: var(--radius-pill);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border: none;
      cursor: pointer;
      box-shadow: var(--shadow-glow);
      transition: all 0.3s ease;
      letter-spacing: 0.3px;
      font-size: 1rem;
    }
    
    .btn-primary:hover {
      box-shadow: 0 0 35px rgba(0,240,181,0.7), 0 6px 18px rgba(0,0,0,0.4);
      transform: translateY(-2px);
    }
    
    .btn-outline {
      border: 1.5px solid rgba(0,240,181,0.5);
      background: transparent;
      color: var(--neon-cyan);
      padding: 12px 28px;
      border-radius: var(--radius-pill);
      font-weight: 600;
      text-decoration: none;
      transition: all 0.3s ease;
      display: inline-flex;
      align-items: center;
    }
    
    .btn-outline:hover {
      background: rgba(0,240,181,0.08);
      border-color: var(--neon-cyan);
    }
    
    .hamburger {
      display: none;
      flex-direction: column;
      gap: 5px;
      cursor: pointer;
      background: transparent;
      border: none;
    }
    .hamburger span {
      width: 25px;
      height: 2px;
      background: var(--text-white);
      transition: 0.3s;
    }
    
    /* 区块通用 */
    section {
      padding: 120px 0;
    }
    
    h1, h2, h3 {
      color: var(--text-white);
      font-weight: 700;
    }
    
    h1 {
      font-size: 48px;
      line-height: 1.2;
      letter-spacing: -0.5px;
    }
    
    h2 {
      font-size: 36px;
      line-height: 1.3;
      margin-bottom: 20px;
    }
    
    h3 {
      font-size: 22px;
      line-height: 1.4;
    }
    
    /* Hero */
    #hero {
      padding-top: 160px;
      padding-bottom: 100px;
      background-image: url('/assets/images/backpic/back-1.webp');
      background-size: cover;
      background-position: center;
      position: relative;
      min-height: 90vh;
      display: flex;
      align-items: center;
    }
    
    #hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 30% 40%, rgba(0,240,181,0.08) 0%, rgba(5,8,20,0.85) 80%);
    }
    
    .hero-grid {
      display: flex;
      align-items: center;
      gap: 60px;
      position: relative;
      z-index: 2;
    }
    
    .hero-left {
      flex: 1 1 55%;
    }
    
    .hero-right {
      flex: 1 1 45%;
      display: flex;
      justify-content: center;
    }
    
    .hero-badge {
      display: inline-block;
      background: rgba(0,240,181,0.1);
      border: 1px solid rgba(0,240,181,0.25);
      color: var(--neon-cyan);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 0.9rem;
      font-weight: 500;
      margin-bottom: 24px;
    }
    
    .hero-subtitle {
      font-size: 18px;
      color: var(--text-light-steel);
      margin: 24px 0 32px;
      max-width: 500px;
    }
    
    .glass-panel {
      background: rgba(255,255,255,0.03);
      backdrop-filter: blur(20px) saturate(180%);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid rgba(255,255,255,0.06);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-card);
      padding: 28px;
      width: 100%;
    }
    
    .data-mock {
      display: flex;
      flex-direction: column;
      gap: 18px;
    }
    .data-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-family: var(--font-inter);
    }
    .live-dot {
      width: 8px;
      height: 8px;
      background: #00F0B5;
      border-radius: 50%;
      display: inline-block;
      margin-right: 6px;
      animation: pulse 1.5s infinite;
    }
    @keyframes pulse { 0% { opacity: 0.6; transform: scale(0.9); } 50% { opacity: 1; transform: scale(1.2); } 100% { opacity: 0.6; transform: scale(0.9); } }
    
    .odds-number {
      color: var(--neon-cyan);
      font-weight: 700;
      font-size: 1.3rem;
    }
    
    /* 卡片网格 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    
    .glass-card {
      background: var(--glass-bg);
      backdrop-filter: blur(20px) saturate(180%);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      padding: 32px;
      box-shadow: var(--shadow-card);
      transition: all 0.3s ease;
    }
    
    .glass-card:hover {
      background: var(--glass-hover-bg);
      border-color: var(--glass-hover-border);
      box-shadow: 0 12px 40px rgba(0,240,181,0.08);
      transform: translateY(-4px);
    }
    
    .icon-circle {
      font-size: 40px;
      color: var(--neon-cyan);
      margin-bottom: 20px;
    }
    
    /* 数据区块 */
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      text-align: center;
    }
    
    .stat-number {
      font-family: var(--font-inter);
      font-size: 40px;
      font-weight: 700;
      color: var(--neon-cyan);
      line-height: 1.2;
    }
    
    /* 证言横向滚动 */
    .testimonial-scroll {
      display: flex;
      gap: 24px;
      overflow-x: auto;
      scroll-snap-type: x mandatory;
      padding-bottom: 16px;
      -webkit-overflow-scrolling: touch;
    }
    .testimonial-scroll::-webkit-scrollbar { display: none; }
    .testimonial-card {
      flex: 0 0 340px;
      scroll-snap-align: start;
      background: var(--glass-bg);
      backdrop-filter: blur(20px);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      padding: 28px;
    }
    .testimonial-avatar {
      width: 44px;
      height: 44px;
      background: rgba(255,179,71,0.2);
      border: 2px solid var(--warm-gold);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--warm-gold);
      font-weight: bold;
      margin-bottom: 16px;
    }
    
    /* FAQ */
    .faq-item {
      background: var(--glass-bg);
      backdrop-filter: blur(20px);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      margin-bottom: 16px;
      padding: 20px 24px;
      cursor: pointer;
      transition: 0.25s;
    }
    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
      color: white;
      font-size: 18px;
    }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease;
      color: var(--text-light-steel);
      margin-top: 0;
    }
    .faq-item.active .faq-answer {
      max-height: 150px;
      margin-top: 16px;
    }
    
    /* CTA 区块 */
    .cta-section {
      background: radial-gradient(circle at 50% 30%, rgba(0,240,181,0.12) 0%, #050814 70%);
      text-align: center;
    }
    
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
    }
    
    @media (max-width: 1024px) {
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
    }
    
    @media (max-width: 768px) {
      .nav-links { display: none; }
      .hamburger { display: flex; }
      .hero-grid { flex-direction: column; }
      h1 { font-size: 36px; }
      h2 { font-size: 28px; }
      .grid-3, .stats-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr; }
    }
    .mobile-menu {
      position: fixed; top: 72px; left: 0; width: 100%; background: rgba(5,8,20,0.95);
      backdrop-filter: blur(25px); display: none; flex-direction: column; padding: 24px;
      z-index: 999;
    }
    .mobile-menu a { color: white; padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }