/* roulang page: index */
:root {
            --primary-gradient: linear-gradient(135deg, #1B365D 0%, #0F2042 100%);
            --gold-gradient: linear-gradient(135deg, #D4AF37 0%, #C5A880 100%);
            --card-border: rgba(226, 232, 240, 0.85);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: #F8FAFC;
            color: #334155;
            letter-spacing: 0.01em;
        }
        .hero-pattern {
            background-color: #0B1528;
            background-image: linear-gradient(180deg, rgba(11, 21, 40, 0.88) 0%, rgba(15, 32, 66, 0.94) 100%), url('/assets/images/ae215990cfa1373b.webp');
            background-size: cover;
            background-position: center;
        }
        .banner-bg-dark {
            background-image: linear-gradient(180deg, rgba(11, 21, 40, 0.92) 0%, rgba(15, 32, 66, 0.96) 100%), url('/assets/images/9dde4c94c1fc9899.webp');
            background-size: cover;
            background-position: center;
        }
        .text-gradient-gold {
            background: linear-gradient(135deg, #F3E5AB 0%, #C5A880 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .border-gold-glow {
            border: 1px solid rgba(197, 168, 128, 0.35);
        }
        .transition-default {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .glass-dark {
            background: rgba(15, 32, 66, 0.65);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        /* 原生平滑手风琴细节 */
        details summary::-webkit-details-marker {
            display: none;
        }