/* roulang page: index */
:root {
            --color-primary: #0A4026;
            --color-primary-dark: #052014;
            --color-secondary: #EA580C;
            --color-accent: #10B981;
            --color-bg-light: #F8FAF9;
            --color-slate: #0F172A;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: #1E293B;
            background-color: #FFFFFF;
            line-height: 1.75;
        }
        .text-balanced {
            text-wrap: balance;
        }
        .hero-pattern {
            background-image: radial-gradient(rgba(16, 185, 129, 0.12) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        .accordion-content {
            transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
            max-height: 0;
            overflow: hidden;
            opacity: 0;
        }
        .accordion-content.open {
            max-height: 400px;
            opacity: 1;
        }
        .slider-panel {
            transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }