/* roulang page: index */
:root {
      --color-primary: #0A192F;
      --color-accent: #00BFA5;
      --color-blue: #0284C7;
      --color-bg-light: #F8FAFC;
    }
    body {
      color: #334155;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .hero-mask {
      background: linear-gradient(135deg, rgba(10, 25, 47, 0.94) 0%, rgba(11, 15, 25, 0.97) 100%);
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .accordion-item.active .accordion-content {
      max-height: 320px;
    }
    .accordion-item.active .accordion-icon {
      transform: rotate(180deg);
    }