/* roulang page: index */
:root {
            --color-primary: #0A58CA;
            --color-accent: #00A896;
            --color-text-main: #0F172A;
            --color-text-muted: #475569;
            --bg-page: #F8FAFC;
        }
        html {
            scroll-behavior: smooth;
            -webkit-tap-highlight-color: transparent;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-page);
            color: var(--color-text-main);
            overflow-x: hidden;
        }
        .hero-bg-overlay {
            background: linear-gradient(135deg, rgba(248, 250, 252, 0.94) 0%, rgba(239, 246, 255, 0.88) 100%), url('/assets/images/967a7b3dcb0b53d5.png') center/cover no-repeat;
        }
        .dark-section-bg {
            background: linear-gradient(145deg, #07101E 0%, #0B192C 100%), url('/assets/images/626a09e399638d3e.webp') center/cover no-repeat;
            background-blend-mode: overlay;
        }
        .soft-card-shadow {
            box-shadow: 0 4px 20px -2px rgba(10, 88, 202, 0.05), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .soft-card-shadow:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(10, 88, 202, 0.1), 0 8px 10px -6px rgba(10, 88, 202, 0.06);
        }