/* roulang page: index */
:root {
      --color-primary: #0F382C;
      --color-primary-dark: #0A261E;
      --color-accent: #D4A054;
      --color-bg-sand: #F9F9F6;
      --color-text-main: #1A2421;
      --color-text-muted: #5C6B66;
      --color-border: #E5E8E4;
      --shadow-soft: 0 10px 30px -4px rgba(15, 56, 44, 0.07);
      --shadow-hover: 0 18px 36px -6px rgba(15, 56, 44, 0.12);
    }

    body {
      color: var(--color-text-main);
      background-color: var(--color-bg-sand);
      font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    .card-elevated {
      background: #FFFFFF;
      border: 1px solid var(--color-border);
      box-shadow: var(--shadow-soft);
      transition: transform 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.25s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.25s ease;
    }

    .card-elevated:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(212, 160, 84, 0.4);
    }

    .btn-gold {
      background-color: #D4A054;
      color: #0A261E;
      font-weight: 600;
      transition: all 0.2s ease;
      box-shadow: 0 4px 14px rgba(212, 160, 84, 0.35);
    }

    .btn-gold:hover {
      background-color: #C39044;
      color: #051510;
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(212, 160, 84, 0.45);
    }

    .btn-outline-gold {
      border: 1.5px solid #D4A054;
      color: #D4A054;
      font-weight: 600;
      transition: all 0.2s ease;
    }

    .btn-outline-gold:hover {
      background-color: #D4A054;
      color: #0A261E;
      transform: translateY(-2px);
    }

    .badge-gold {
      background: rgba(212, 160, 84, 0.14);
      color: #9C7228;
      border: 1px solid rgba(212, 160, 84, 0.35);
    }

    .faq-answer {
      transition: max-height 0.35s ease, opacity 0.3s ease;
    }

    .gold-gradient-text {
      background: linear-gradient(135deg, #F8E2B2 0%, #D4A054 50%, #B8860B 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }