/* roulang page: index */
:root {
      --primary: #059669;
      --primary-dark: #064e3b;
      --secondary: #0d9488;
      --dark-surface: #0f172a;
      --light-surface: #f8fafc;
      --text-main: #1e293b;
      --text-sub: #475569;
      --border-line: #e2e8f0;
      --radius-box: 1rem;
      --radius-btn: 9999px;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
      --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--text-main);
      background-color: var(--light-surface);
      font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.7;
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
      width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background-color: #cbd5e1;
      border-radius: 9999px;
    }
    .hero-slider-slide {
      transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
    }
    .hero-slider-slide.active {
      opacity: 1;
      transform: scale(1);
      z-index: 10;
      pointer-events: auto;
    }
    .hero-slider-slide.inactive {
      opacity: 0;
      transform: scale(1.03);
      z-index: 0;
      pointer-events: none;
    }
    .nav-blur {
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }