/* roulang page: index */
:root {
        --color-primary: #059669;
        --color-primary-hover: #047857;
        --color-accent: #EA580C;
        --color-bg-base: #F8FAFC;
        --color-bg-alt: #F0FDF4;
        --color-text-main: #1E293B;
        --color-text-muted: #475569;
        --color-border: #E2E8F0;
      }
      body {
        font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        background-color: var(--color-bg-base);
        color: var(--color-text-main);
        overflow-x: hidden;
      }
      .coupon-card {
        background: radial-gradient(circle at top left, transparent 14px, #ffffff 15px) top left,
                    radial-gradient(circle at top right, transparent 14px, #ffffff 15px) top right,
                    radial-gradient(circle at bottom left, transparent 14px, #ffffff 15px) bottom left,
                    radial-gradient(circle at bottom right, transparent 14px, #ffffff 15px) bottom right;
        background-size: 51% 51%;
        background-repeat: no-repeat;
      }
      .coupon-edge {
        border-right: 2px dashed #CBD5E1;
      }
      .scroll-smooth {
        scroll-behavior: smooth;
      }