/* roulang page: index */
:root {
            --color-primary: #0F172A;
            --color-accent: #059669;
            --color-accent-light: #10B981;
            --color-highlight: #D97706;
            --color-bg-light: #F8FAFC;
            --color-text-main: #334155;
            --color-text-muted: #64748B;
            --color-border: #E2E8F0;
        }
        body {
            font-family: 'Inter', "Noto Sans SC", "PingFang SC", sans-serif;
            color: var(--color-text-main);
            background-color: #FFFFFF;
            line-height: 1.75;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }
        .hero-matrix-pattern {
            background-color: #0F172A;
            background-image: radial-gradient(rgba(16, 185, 129, 0.15) 1px, transparent 1px);
            background-size: 24px 24px;
        }
        .accent-gradient-text {
            background: linear-gradient(135deg, #10B981 0%, #34D399 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .card-custom-shadow {
            box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-custom-shadow:hover {
            box-shadow: 0 12px 30px -4px rgba(15, 23, 42, 0.12);
            transform: translateY(-2px);
        }