/* roulang page: index */
:root {
            --bg-dark: #0C0F14;
            --accent: #00E599;
            --accent-deep: #0A5C36;
            --border-line: #242C3D;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: #0C0F14;
            color: #E2E8F0;
            overflow-x: hidden;
        }
        .text-glow {
            text-shadow: 0 0 20px rgba(0, 229, 153, 0.4);
        }
        .banner-glow {
            background: radial-gradient(circle at 50% 30%, rgba(0, 229, 153, 0.15) 0%, rgba(12, 15, 20, 0) 70%);
        }
        .transition-card {
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .transition-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 229, 153, 0.45);
        }
        html {
            scroll-behavior: smooth;
        }