/* roulang page: index */
:root {
            --color-primary: #00F0FF;
            --color-accent: #0E78F9;
            --color-bg: #0B0F19;
            --color-card: #121826;
            --font-main: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        body {
            font-family: var(--font-main);
            background-color: var(--color-bg);
            color: #94A3B8;
            overflow-x: hidden;
        }
        .text-glow {
            text-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
        }
        .hero-bg-overlay {
            background: linear-gradient(180deg, rgba(11, 15, 25, 0.85) 0%, rgba(11, 15, 25, 0.98) 100%), url('/assets/images/a145b61e87be2285.jpg') center/cover no-repeat;
        }
        .section-separator {
            border-bottom: 1px solid rgba(30, 41, 59, 0.6);
        }
        .accordion-content {
            transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
        }