/* roulang page: index */
:root {
      --color-primary: #0F766E;
      --color-primary-dark: #0c5c56;
      --color-accent: #14B8A6;
      --color-mint: #CCFBF1;
      --color-bg-slate: #F8FAFC;
      --color-text-main: #0F172A;
      --color-text-muted: #475569;
      --color-border: #E2E8F0;
      --radius-sm: 8px;
      --radius-md: 12px;
      --shadow-clinical: 0 1px 3px rgba(15, 118, 110, 0.05), 0 10px 15px -3px rgba(15, 118, 110, 0.03);
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .custom-shadow {
      box-shadow: var(--shadow-clinical);
    }
    .card-hover {
      transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-hover:hover {
      border-color: var(--color-primary);
      transform: translateY(-2px);
      box-shadow: 0 12px 24px -6px rgba(15, 118, 110, 0.12);
    }
    .hero-slide {
      transition: opacity 0.8s ease-in-out;
    }