/* roulang page: index */
:root {
            --primary: #0F3A3E;
            --accent: #FF7A45;
            --bg-light: #F8FAF9;
            --text-dark: #1C2D2F;
        }
        html { scroll-behavior: smooth; }
        body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; }
        .hero-bg {
            background-image: linear-gradient(rgba(15, 58, 62, 0.88), rgba(11, 30, 34, 0.94)), url('/assets/images/4787d13565289eef.webp');
            background-size: cover;
            background-position: center;
        }
        .flash-badge {
            background: linear-gradient(135deg, #FF7A45 0%, #FF4D4F 100%);
        }