/* roulang page: index */
:root {
            --primary: #1e40af;
            --primary-hover: #1d4ed8;
            --secondary: #0284c7;
            --accent-green: #059669;
            --bg-light: #f8fafc;
            --bg-card: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

        .touch-action-min {
            min-height: 44px;
            min-width: 44px;
        }

        .card-elevated {
            background-color: var(--bg-card);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 1rem;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            box-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.05);
        }

        .card-elevated:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(37, 99, 235, 0.1), 0 8px 10px -6px rgba(37, 99, 235, 0.06);
            border-color: rgba(191, 219, 254, 0.9);
        }

        /* 隐藏水平滚动条但支持滑轨 */
        .hide-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .hide-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }