/* roulang page: index */
:root {
      --primary: #163832;
      --accent: #F39C12;
      --accent-hover: #E67E22;
      --bg-soft: #F0F4F1;
      --bg-base: #F9FAF8;
      --text-main: #2C3E50;
      --text-muted: #607274;
      --border-color: rgba(22, 56, 50, 0.12);
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      line-height: 1.75;
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(15, 38, 34, 0.94) 0%, rgba(22, 56, 50, 0.88) 100%);
    }
    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      border-radius: 9999px;
      font-size: 0.8125rem;
      font-weight: 500;
    }
    .glass-card {
      background: rgba(255, 255, 255, 0.95);
      border: 1px solid var(--border-color);
      box-shadow: 0 4px 20px -2px rgba(22, 56, 50, 0.05);
    }
    .video-mockup-frame {
      box-shadow: 0 25px 50px -12px rgba(15, 38, 34, 0.35);
      border: 8px solid #204e46;
    }