/* roulang page: index */
:root {
      --primary: #1B6B53;
      --primary-light: #38A179;
      --secondary: #F28B44;
      --bg-cream: #FBFBF9;
      --text-main: #1A2E26;
      --text-muted: #526E64;
      --border-soft: rgba(27, 107, 83, 0.12);
    }
    body {
      background-color: var(--bg-cream);
      color: var(--text-main);
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
      line-height: 1.7;
      overflow-x: hidden;
    }
    .hero-bg {
      background: linear-gradient(135deg, rgba(243, 247, 245, 0.94) 0%, rgba(251, 251, 249, 0.98) 100%),
                  url('/assets/images/8ac01cefdc9a9ca9.webp') center/cover no-repeat;
    }
    .dark-matrix-bg {
      background: linear-gradient(180deg, #0D2820 0%, #11362B 100%),
                  url('/assets/images/1e72b4fff19be9c0.webp') center/cover fixed;
    }
    .cta-banner-bg {
      background: linear-gradient(135deg, #1B6B53 0%, #144e3d 100%),
                  url('/assets/images/be411b0fd0d20994.webp') center/cover no-repeat;
    }
    .badge-outline {
      border: 1px solid var(--border-soft);
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease-out;
    }
    .accordion-item.active .accordion-content {
      max-height: 300px;
    }
    .accordion-item.active .accordion-icon {
      transform: rotate(180deg);
    }