/* roulang page: index */
:root {
      --primary: #00E599;
      --primary-dark: #00C48C;
      --accent: #00A3FF;
      --warning: #FF5C00;
      --bg-dark: #0D1117;
      --card-dark: #161B22;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-subtle: #E2E8F0;
    }
    
    body {
      background-color: #F8FAFC;
      color: var(--text-main);
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }

    .brand-gradient-text {
      background: linear-gradient(135deg, #00E599 0%, #00A3FF 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .brand-gradient-bg {
      background: linear-gradient(135deg, #00E599 0%, #00A3FF 100%);
    }

    .card-shadow {
      box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-shadow:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 35px -12px rgba(0, 229, 153, 0.15);
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      line-height: 1rem;
      background-color: #ECFDF5;
      color: #047857;
      border: 1px solid #A7F3D0;
    }

    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .accordion-item.active .accordion-content {
      max-height: 280px;
    }
    .accordion-item.active .accordion-icon {
      transform: rotate(180deg);
    }