/* roulang page: index */
:root {
      --color-primary: #0E4B2D;
      --color-accent: #C5A059;
      --bg-dark: #0D1117;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border-color: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      background-color: #F8FAFC;
      color: #0F172A;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
    }
    .hero-bg-overlay {
      background: linear-gradient(180deg, rgba(13, 17, 23, 0.88) 0%, rgba(10, 54, 34, 0.92) 100%);
    }
    .badge-gold {
      background: rgba(197, 160, 89, 0.12);
      border: 1px solid rgba(197, 160, 89, 0.35);
      color: #C5A059;
    }
    .card-hover-effect {
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .card-hover-effect:hover {
      transform: translateY(-3px);
      box-shadow: 0 12px 28px -4px rgba(15, 23, 42, 0.08);
    }
    .step-line::after {
      content: '';
      position: absolute;
      top: 24px;
      left: 50%;
      width: 100%;
      height: 2px;
      background: #E2E8F0;
      z-index: 1;
    }
    @media (max-width: 768px) {
      .step-line::after {
        display: none;
      }
    }
    .accordion-content {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out;
    }
    .accordion-content.active {
      max-height: 300px;
    }
    .toast-box {
      transform: translateY(100px);
      opacity: 0;
      transition: all 0.3s ease;
    }
    .toast-box.show {
      transform: translateY(0);
      opacity: 1;
    }