/* roulang page: index */
:root {
            --primary: #2D1B4E;
            --accent: #00E599;
            --warning: #FFB020;
            --dark-bg: #130E20;
            --light-bg: #F7F8FA;
            --subtle-bg: #F0F1F6;
            --text-color: #141024;
            --muted-text: #4A4557;
            --border-color: #E6E4EC;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            color: var(--text-color);
            background-color: var(--light-bg);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        .container-custom {
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-py {
            padding-top: 5rem;
            padding-bottom: 5rem;
        }
        .glass-header {
            background: rgba(45, 27, 78, 0.94);
            backdrop-filter: blur(12px);
        }
        .card-custom {
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background: #ffffff;
            box-shadow: 0 4px 20px -2px rgba(45, 27, 78, 0.05);
            transition: all 0.25s ease;
        }
        .card-custom:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 28px -4px rgba(45, 27, 78, 0.12);
        }
        .card-dark {
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.03);
            transition: all 0.25s ease;
        }
        .card-dark:hover {
            border-color: var(--accent);
            background: rgba(0, 229, 153, 0.04);
            transform: translateY(-3px);
        }
        .btn-accent {
            background: linear-gradient(135deg, #00E599 0%, #00C882 100%);
            color: #0d1e16;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-width: 44px;
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0, 229, 153, 0.4);
        }
        .btn-outline {
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #ffffff;
            border-radius: 8px;
            font-weight: 500;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 44px;
            min-width: 44px;
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(0, 229, 153, 0.05);
        }
        .pulse-lamp {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--accent);
            box-shadow: 0 0 8px var(--accent);
            animation: pulse-ring 2s infinite;
        }
        @keyframes pulse-ring {
            0% { transform: scale(0.95); opacity: 0.8; }
            50% { transform: scale(1.2); opacity: 1; }
            100% { transform: scale(0.95); opacity: 0.8; }
        }
        .badge-pill {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 13px;
            font-weight: 500;
        }
        .hero-banner-bg {
            background: linear-gradient(rgba(19, 14, 32, 0.85), rgba(45, 27, 78, 0.9)), url('/assets/images/f84aba2a0e7c2f65.jpg') center/cover no-repeat;
        }