/* roulang page: index */
:root {
            --brand-primary: #1D4ED8;
            --brand-navy: #0F2B48;
            --brand-dark: #0B132B;
            --brand-ice: #E0F2FE;
            --brand-teal: #0D9488;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-light: #E2E8F0;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            color: var(--text-body);
            background-color: #F8FAFC;
            overflow-x: hidden;
        }

        .hero-overlay {
            background: linear-gradient(135deg, rgba(11, 19, 43, 0.92) 0%, rgba(15, 43, 72, 0.85) 60%, rgba(30, 64, 175, 0.75) 100%);
        }

        .glass-panel {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .glass-dark-panel {
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .card-custom {
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            border-radius: 12px;
        }

        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(15, 43, 72, 0.1), 0 10px 10px -5px rgba(15, 43, 72, 0.04);
            border-color: rgba(29, 78, 216, 0.4);
        }

        .timeline-step::after {
            content: '';
            position: absolute;
            top: 24px;
            right: -50%;
            width: 100%;
            height: 2px;
            background: #CBD5E1;
            z-index: 1;
        }

        @media (max-width: 1024px) {
            .timeline-step::after {
                display: none;
            }
        }

        /* 隐藏滚动条但保留功能 */
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }