/* roulang page: index */
:root {
      --primary: #0FA958;
      --primary-dark: #0B5C3B;
      --accent: #FF6B00;
      --bg-light: #F8FAFC;
      --text-main: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      background-color: #FFFFFF;
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
      line-height: 1.75;
    }
    .custom-container {
      max-width: 80rem;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(11, 92, 59, 0.94) 0%, rgba(15, 23, 42, 0.92) 100%);
    }
    .dark-panel-bg {
      background: linear-gradient(180deg, #0F172A 0%, #1E293B 100%);
    }
    .stat-glow {
      box-shadow: 0 10px 30px -10px rgba(15, 169, 88, 0.25);
    }
    .feature-card-hover {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .feature-card-hover:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(15, 169, 88, 0.12), 0 8px 10px -6px rgba(15, 169, 88, 0.08);
      border-color: rgba(15, 169, 88, 0.3);
    }
    details summary::-webkit-details-marker {
      display: none;
    }