/* roulang page: index */
:root {
            --primary: #0F766E;
            --primary-light: #14b8a6;
            --secondary: #0284C7;
            --accent: #D97706;
            --bg-canvas: #F8FAFC;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
            --radius-md: 12px;
            --radius-lg: 16px;
        }
        *, *::before, *::after {
            box-sizing: border-box;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-body);
            background-color: var(--bg-canvas);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        .section-py {
            padding-top: 5rem;
            padding-bottom: 5rem;
        }
        @media (max-width: 768px) {
            .section-py {
                padding-top: 3.5rem;
                padding-bottom: 3.5rem;
            }
        }
        .glass-header {
            background-color: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .text-balance-cn {
            text-wrap: balance;
        }
        .card-interactive {
            transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-interactive:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 32px -8px rgba(15, 23, 42, 0.08);
        }
        .accordion-content {
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
        }
        .pulse-beacon {
            position: relative;
        }
        .pulse-beacon::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            top: 2px;
            left: 2px;
            border-radius: 50%;
            background-color: #10B981;
            animation: beacon-ping 1.8s cubic-bezier(0, 0, 0.2, 1) infinite;
        }
        @keyframes beacon-ping {
            75%, 100% {
                transform: scale(2.8);
                opacity: 0;
            }
        }
        .badge-pill {
            display: inline-flex;
            align-items: center;
            padding: 0.35rem 0.85rem;
            border-radius: 9999px;
            font-size: 0.8125rem;
            font-weight: 500;
        }