/* roulang page: index */
:root {
            --brand-primary: #00E599;
            --brand-accent: #FF5722;
            --brand-dark: #0B0F19;
            --brand-card-dark: #131B2E;
            --bg-light: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #475569;
            --border-light: rgba(226, 232, 240, 0.8);
            --shadow-card: 0 4px 20px -2px rgba(11, 15, 25, 0.05);
            --shadow-hover: 0 12px 30px -4px rgba(0, 229, 153, 0.16);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: #FFFFFF;
            overflow-x: hidden;
            line-height: 1.65;
        }

        .pulse-indicator {
            width: 8px;
            height: 8px;
            background-color: #00E599;
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 0 rgba(0, 229, 153, 0.7);
            animation: pulse-green 2s infinite;
        }

        @keyframes pulse-green {
            0% {
                box-shadow: 0 0 0 0 rgba(0, 229, 153, 0.7);
            }
            70% {
                box-shadow: 0 0 0 8px rgba(0, 229, 153, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(0, 229, 153, 0);
            }
        }

        .hero-banner-bg {
            background-image: linear-gradient(rgba(11, 15, 25, 0.88), rgba(19, 27, 46, 0.94)), url('/assets/images/ce54fcd8cbf82154.png');
            background-size: cover;
            background-position: center;
        }

        .dark-strip-bg {
            background-image: linear-gradient(rgba(11, 15, 25, 0.95), rgba(11, 15, 25, 0.98)), url('/assets/images/838eb370c174c0b9.png');
            background-size: cover;
            background-position: center;
        }

        .card-subtle {
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            border: 1px solid var(--border-light);
        }

        .card-subtle:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 229, 153, 0.4);
        }

        details summary::-webkit-details-marker {
            display: none;
        }