/* roulang page: index */
:root {
            --primary: #EA580C;
            --primary-hover: #C2410C;
            --accent: #84CC16;
            --dark-navy: #0F172A;
            --card-dark: #1E293B;
            --court-bg: #F8FAFC;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-body);
            background-color: #FFFFFF;
            overflow-x: hidden;
        }

        .court-pattern {
            background-image: radial-gradient(rgba(234, 88, 12, 0.08) 1px, transparent 0);
            background-size: 24px 24px;
        }

        .dark-court-pattern {
            background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 0);
            background-size: 24px 24px;
        }

        .tactical-line {
            background: repeating-linear-gradient(45deg, rgba(234, 88, 12, 0.1), rgba(234, 88, 12, 0.1) 10px, transparent 10px, transparent 20px);
        }

        .card-hover-effect {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-hover-effect:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 28px -6px rgba(234, 88, 12, 0.18);
        }

        details summary::-webkit-details-marker {
            display: none;
        }

        .hero-banner-mask {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(15, 23, 42, 0.82) 60%, rgba(234, 88, 12, 0.7) 100%);
        }