/* roulang page: index */
:root {
            --color-primary: #0B1320;
            --color-accent: #00D084;
            --color-warning: #FF5500;
            --color-bg-light: #F8F9FA;
            --color-bg-card: #FFFFFF;
            --color-text-title: #0D1117;
            --color-text-body: #374151;
            --color-text-muted: #6B7280;
            --border-light: rgba(0, 0, 0, 0.08);
            --shadow-card: 0 1px 3px rgba(0,0,0,0.05), 0 10px 25px -5px rgba(0,0,0,0.04);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--color-bg-light);
            color: var(--color-text-body);
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
        }

        .tabular-nums {
            font-variant-numeric: tabular-nums;
        }

        .hero-pattern {
            background: linear-gradient(135deg, rgba(11, 19, 32, 0.95) 0%, rgba(16, 26, 43, 0.92) 100%), url('/assets/images/0678e4d7676a4121.webp') center/cover no-repeat;
        }

        .sc-card {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: 4px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .sc-card:hover {
            transform: translateY(-4px);
            border-color: rgba(0, 208, 132, 0.4);
            box-shadow: 0 12px 30px -5px rgba(0, 0, 0, 0.08);
        }

        .btn-brand-accent {
            background-color: var(--color-accent);
            color: #0B1320;
            font-weight: 700;
            transition: all 0.2s ease;
        }

        .btn-brand-accent:hover {
            background-color: #00bf79;
            box-shadow: 0 0 15px rgba(0, 208, 132, 0.4);
        }

        .radar-pulse {
            position: relative;
        }
        .radar-pulse::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            border-radius: 9999px;
            background-color: #00D084;
            opacity: 0.75;
            animation: pulse-ring 2s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
        }
        @keyframes pulse-ring {
            0% { transform: scale(0.95); opacity: 0.8; }
            50% { transform: scale(1.6); opacity: 0; }
            100% { transform: scale(0.95); opacity: 0; }
        }

        details > summary {
            list-style: none;
        }
        details > summary::-webkit-details-marker {
            display: none;
        }