/* roulang page: index */
:root {
      --primary: #0D5C58;
      --primary-dark: #092825;
      --secondary: #1E8E89;
      --accent: #E07A5F;
      --bg-surface: #F7F9F8;
      --text-main: #142423;
      --text-body: #3A4D4B;
      --text-muted: #738886;
      --border-color: #E2E8E6;
    }
    *, *::before, *::after {
      box-sizing: border-box;
    }
    body {
      color: var(--text-body);
      background-color: var(--bg-surface);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
    }
    .hero-bg-overlay {
      background-image: linear-gradient(to right, rgba(9, 40, 37, 0.92), rgba(13, 92, 88, 0.88)), url('/assets/images/bb669a3e696f291c.webp');
      background-size: cover;
      background-position: center;
    }
    .dark-section-bg {
      background-image: linear-gradient(135deg, #092825 0%, #0c3834 100%), url('/assets/images/39c8f7ab279fccd2.webp');
      background-size: cover;
      background-blend-mode: overlay;
    }
    .cta-banner-bg {
      background-image: linear-gradient(115deg, #0D5C58 0%, #092825 100%), url('/assets/images/499ba206680abdde.webp');
      background-size: cover;
      background-position: center;
    }
    .touch-target {
      min-width: 44px;
      min-height: 44px;
    }