/* roulang page: index */
@import url('/assets/css/vendor/0b67347532-css2.css');
    
    :root {
      --primary-bg: #0A0E27;
      --deep-bg: #060B1A;
      --neon-cyan: #00F0FF;
      --accent-red: #FF4D6A;
      --glass-bg: rgba(255, 255, 255, 0.03);
      --glass-border: rgba(0, 240, 255, 0.15);
      --glass-hover-border: rgba(0, 240, 255, 0.6);
      --text-primary: #FFFFFF;
      --text-body: #B0C4DE;
      --text-muted: #6B7B8D;
      --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
      --neon-glow: 0 0 30px rgba(0, 240, 255, 0.3);
      --radius-lg: 16px;
      --radius-xl: 20px;
      --radius-full: 50px;
    }
    
    * {
      box-sizing: border-box;
    }
    
    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Inter', 'SF Pro Display', system-ui, sans-serif;
      background-color: var(--primary-bg);
      color: var(--text-body);
      line-height: 1.7;
      font-weight: 400;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }
    
    .english-number {
      font-family: 'Inter', 'SF Pro Display', system-ui;
      font-weight: 600;
    }
    
    /* 自定义玻璃拟态卡片 */
    .glass-card {
      background: var(--glass-bg);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      box-shadow: var(--card-shadow);
      transition: all 0.3s ease;
    }
    
    .glass-card:hover {
      border-color: var(--glass-hover-border);
      box-shadow: 0 12px 40px rgba(0, 240, 255, 0.2), 0 8px 32px rgba(0,0,0,0.6);
      transform: translateY(-4px);
    }
    
    /* 发光按钮系统 */
    .btn-primary {
      background-color: var(--neon-cyan);
      color: #0A0E27;
      font-weight: 600;
      border-radius: var(--radius-full);
      padding: 14px 32px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all 0.25s ease;
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.25);
      border: none;
      cursor: pointer;
      text-decoration: none;
      letter-spacing: 0.3px;
    }
    
    .btn-primary:hover {
      box-shadow: 0 0 40px rgba(0, 240, 255, 0.55);
      transform: scale(1.05);
      background-color: #33F5FF;
      color: #0A0E27;
    }
    
    .btn-secondary {
      background: transparent;
      border: 1.5px solid var(--neon-cyan);
      color: var(--neon-cyan);
      font-weight: 600;
      border-radius: var(--radius-full);
      padding: 14px 32px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      transition: all 0.25s ease;
      cursor: pointer;
      text-decoration: none;
      letter-spacing: 0.3px;
    }
    
    .btn-secondary:hover {
      background: rgba(0, 240, 255, 0.08);
      border-color: #66F5FF;
      color: #66F5FF;
    }
    
    .btn-accent {
      background-color: var(--accent-red);
      color: white;
      font-weight: 600;
      border-radius: var(--radius-full);
      padding: 14px 32px;
      box-shadow: 0 0 20px rgba(255, 77, 106, 0.4);
      transition: all 0.25s ease;
      border: none;
      cursor: pointer;
      text-decoration: none;
    }
    
    .btn-accent:hover {
      box-shadow: 0 0 35px rgba(255, 77, 106, 0.7);
      transform: scale(1.03);
    }
    
    /* 导航沉浸式 */
    #header {
      background: rgba(10, 14, 39, 0.85);
      backdrop-filter: blur(24px);
      -webkit-backdrop-filter: blur(24px);
      border-bottom: 1px solid rgba(0, 240, 255, 0.2);
      transition: background 0.3s;
    }
    
    #header.scrolled {
      background: rgba(10, 14, 39, 0.96);
    }
    
    .nav-link {
      color: #B0C4DE;
      font-weight: 500;
      transition: color 0.2s;
      text-decoration: none;
      padding: 0.5rem 0.8rem;
      border-radius: 20px;
    }
    
    .nav-link:hover {
      color: var(--neon-cyan);
    }
    
    /* 区块标题装饰 */
    .section-title {
      font-size: 36px;
      font-weight: 600;
      line-height: 1.2;
      color: white;
      position: relative;
      display: inline-block;
    }
    
    .section-title::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -8px;
      width: 48px;
      height: 3px;
      background: var(--neon-cyan);
      border-radius: 2px;
    }
    
    /* 时间轴线条 */
    .timeline-line {
      background: linear-gradient(to bottom, var(--neon-cyan), rgba(0,240,255,0.1));
      width: 2px;
      position: absolute;
      left: 20px;
      top: 0;
      bottom: 0;
    }
    
    .schedule-card:hover .star-icon {
      color: var(--neon-cyan);
      transform: rotate(20deg);
    }
    
    /* FAQ 手风琴 */
    .faq-item {
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    
    .faq-question {
      cursor: pointer;
      color: white;
      font-weight: 500;
      transition: 0.2s;
    }
    
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s;
      color: #B0C4DE;
    }
    
    .faq-item.active .faq-answer {
      max-height: 200px;
      padding-top: 12px;
      padding-bottom: 20px;
    }
    
    .faq-item.active .faq-icon {
      transform: rotate(45deg);
      color: var(--neon-cyan);
    }
    
    /* 移动端汉堡菜单 */
    .mobile-menu {
      display: none;
      position: fixed;
      top: 72px;
      left: 0;
      width: 100%;
      background: rgba(10, 14, 39, 0.98);
      backdrop-filter: blur(30px);
      flex-direction: column;
      padding: 32px;
      z-index: 40;
      border-bottom: 1px solid rgba(0,240,255,0.2);
    }
    
    .mobile-menu.open {
      display: flex;
    }