/* roulang page: index */
:root {
            --color-primary: #10B981;
            --color-accent: #84CC16;
            --color-dark: #0F172A;
            --color-slate: #1E293B;
            --color-bg-alt: #F8FAFC;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
            color: #1E293B;
            background-color: #FFFFFF;
            overflow-x: hidden;
            line-height: 1.75;
        }

        .pulse-dot {
            animation: pulse-ring 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
        }

        @keyframes pulse-ring {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.15); }
        }

        .glass-header {
            background-color: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .data-card-hover {
            transition: all 0.25s ease;
        }
        .data-card-hover:hover {
            transform: translateY(-3px);
            border-color: rgba(16, 185, 129, 0.5);
            box-shadow: 0 12px 24px -10px rgba(15, 23, 42, 0.08);
        }

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
        }
        .accordion-item.active .accordion-content {
            max-height: 500px;
            transition: max-height 0.35s ease-in-out;
        }
        .accordion-item.active .accordion-arrow {
            transform: rotate(180deg);
        }