/* roulang page: index */
:root {
            --primary-pine: #0F4C3A;
            --accent-green: #10B981;
            --dark-emerald: #0A251E;
            --bg-light: #F8FAFC;
            --text-main: #0F172A;
            --text-body: #334155;
            --border-soft: #E2E8F0;
        }
        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            background-color: var(--bg-light);
            color: var(--text-body);
            -webkit-font-smoothing: antialiased;
        }
        .text-balance {
            text-wrap: balance;
        }
        .hero-clip {
            background-image: linear-gradient(135deg, rgba(10, 37, 30, 0.94) 0%, rgba(15, 76, 58, 0.88) 100%), url('/assets/images/20ad1b0b1cbdad2a.webp');
            background-size: cover;
            background-position: center;
        }
        .concept-bg {
            background-image: radial-gradient(circle at top right, rgba(16, 185, 129, 0.12), transparent 40%), linear-gradient(to bottom, #0A251E, #051813);
        }
        .glass-panel {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.14);
        }