/* roulang page: index */
:root {
            --primary: #16a34a;
            --primary-dark: #14532d;
            --accent: #f59e0b;
            --bg-light: #f8fafc;
            --text-main: #0f172a;
            --text-muted: #64748b;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: var(--bg-light);
            scroll-behavior: smooth;
        }
        .hero-video-mask {
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.88) 0%, rgba(20, 83, 45, 0.78) 50%, rgba(15, 23, 42, 0.95) 100%);
        }
        .card-glow:hover {
            box-shadow: 0 16px 32px -8px rgba(22, 163, 74, 0.15);
            transform: translateY(-4px);
        }
        .transition-base {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

/* roulang page: category1 */
:root {
      --primary: #16a34a;
      --primary-dark: #14532d;
      --accent: #f59e0b;
      --bg-light: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: var(--bg-light);
      scroll-behavior: smooth;
    }
    .hero-video-mask {
      background: linear-gradient(180deg, rgba(15, 23, 42, 0.88) 0%, rgba(20, 83, 45, 0.78) 50%, rgba(15, 23, 42, 0.95) 100%);
    }
    .card-glow {
      transition: all 0.25s ease-in-out;
    }
    .card-glow:hover {
      box-shadow: 0 16px 32px -8px rgba(22, 163, 74, 0.15);
      transform: translateY(-4px);
    }
    .transition-base {
      transition: all 0.2s ease-in-out;
    }