/* roulang page: index */
:root {
      --primary: #059669;
      --primary-light: #10b981;
      --primary-dark: #047857;
      --accent: #ff5e3a;
      --dark: #0f172a;
      --dark-card: #1e293b;
      --bg-gray: #f8fafc;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
    }
    
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
    }

    body {
      color: var(--text-main);
      background-color: #ffffff;
      line-height: 1.75;
      overflow-x: hidden;
    }

    .hero-mask {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(5, 150, 105, 0.82) 100%);
    }

    .clip-slant {
      clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
    }

    .clip-slant-reverse {
      clip-path: polygon(0 8%, 100% 0, 100% 100%, 0 100%);
    }

    .transition-card {
      transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .transition-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }

    /* 渐变文本 */
    .text-gradient {
      background: linear-gradient(135deg, #059669 0%, #10b981 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    /* 自定义轻微滚动条 */
    ::-webkit-scrollbar {
      width: 8px;
    }
    ::-webkit-scrollbar-track {
      background: #f1f5f9;
    }
    ::-webkit-scrollbar-thumb {
      background: #cbd5e1;
      border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: #94a3b8;
    }