/* roulang page: index */
:root {
            --primary: #2E7D32;
            --primary-dark: #0F291E;
            --accent: #F57C00;
            --bg-light: #F9FBF9;
            --text-main: #1E293B;
            --text-muted: #64748B;
        }
        body {
            background-color: var(--bg-light);
            color: var(--text-main);
            font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        .hero-pattern {
            background-image: linear-gradient(to right, rgba(15, 41, 30, 0.92), rgba(46, 125, 50, 0.82)), url('/assets/images/a62244dade10f1ac.webp');
            background-size: cover;
            background-position: center;
        }
        .philosophy-bg {
            background-image: linear-gradient(rgba(15, 41, 30, 0.96), rgba(15, 41, 30, 0.96)), url('/assets/images/41f9b0ac7f281f5e.webp');
            background-size: cover;
            background-position: center;
        }
        .cta-banner {
            background: linear-gradient(135deg, #1B5E20 0%, #2E7D32 50%, #F57C00 100%);
        }
        .custom-shadow {
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
        }
        .custom-shadow:hover {
            box-shadow: 0 12px 40px rgba(46, 125, 50, 0.12);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
            opacity: 0;
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            opacity: 1;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }