/* roulang page: index */
:root {
            --primary: #0F9F59;
            --primary-dark: #064e3b;
            --accent: #F59E0B;
            --bg-light: #F8FAFC;
            --text-dark: #0F172A;
            --text-gray: #475569;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-light);
            scroll-behavior: smooth;
        }
        .coupon-mask {
            background-image: radial-gradient(circle at left, transparent 10px, white 11px);
        }
        .gradient-brand {
            background: linear-gradient(135deg, #0F9F59 0%, #064e3b 100%);
        }
        .hero-banner-bg {
            background: linear-gradient(rgba(11, 19, 43, 0.88), rgba(11, 19, 43, 0.94)), url('/assets/images/e1286653d4ee4873.webp') center/cover no-repeat;
        }
        .faq-accordion-item[open] summary svg {
            transform: rotate(180deg);
        }