/* roulang page: index */
:root {
            --color-gold: #D4AF37;
            --color-gold-light: #F3E5AB;
            --color-gold-dark: #996515;
            --color-navy: #0B0F19;
            --color-card-bg: #111827;
            --color-card-border: #1E293B;
            --color-accent-green: #10B981;
            --color-accent-cyan: #06B6D4;
        }

        html {
            scroll-behavior: smooth;
            background-color: #0B0F19;
            color: #F8FAFC;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.75;
            overflow-x: hidden;
        }

        .gold-gradient-text {
            background: linear-gradient(135deg, #F6D365 0%, #FDA085 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .gold-border {
            border: 1px solid rgba(212, 175, 55, 0.3);
        }

        .gold-glow {
            box-shadow: 0 0 25px rgba(212, 175, 55, 0.15);
        }

        .card-dark {
            background-color: #111827;
            border: 1px solid #1F2937;
            transition: all 0.3s ease;
        }

        .card-dark:hover {
            border-color: rgba(212, 175, 55, 0.5);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.6);
        }

        .btn-gold {
            background: linear-gradient(135deg, #D4AF37 0%, #AA771C 100%);
            color: #0B0F19;
            font-weight: 600;
            transition: all 0.25s ease;
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, #E5C158 0%, #C28D2E 100%);
            box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
        }

        .btn-ghost-gold {
            border: 1px solid #D4AF37;
            color: #D4AF37;
            transition: all 0.25s ease;
        }

        .btn-ghost-gold:hover {
            background-color: rgba(212, 175, 55, 0.1);
            color: #FFF;
        }

        /* FAQ Accordion Styling */
        details summary::-webkit-details-marker {
            display: none;
        }
        details[open] summary .faq-icon {
            transform: rotate(180deg);
        }