/* roulang page: index */
:root {
      --color-primary: #10B981;
      --color-primary-cyan: #06B6D4;
      --color-accent: #F97316;
      --bg-light: #F8FAFC;
      --bg-alt: #F1F5F9;
      --text-main: #0F172A;
      --text-muted: #475569;
      --border-color: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
      line-height: 1.6;
    }
    .hero-skew {
      clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4vw), 0 100%);
    }
    .tech-grid-bg {
      background-image: radial-gradient(rgba(16, 185, 129, 0.12) 1px, transparent 1px);
      background-size: 28px 28px;
    }
    .channel-scroll::-webkit-scrollbar {
      display: none;
    }
    .channel-scroll {
      -ms-overflow-style: none;
      scrollbar-width: none;
    }