/* roulang page: index */
:root {
            --color-primary: #0F172A;
            --color-accent: #10B981;
            --color-teal: #06B6D4;
            --color-bg: #F8FAFC;
            --color-surface: #FFFFFF;
            --color-border: #E2E8F0;
            --color-text: #1E293B;
            --color-text-muted: #64748B;
        }

        html {
            scroll-behavior: smooth;
        }

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

        .hero-bg-overlay {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(11, 15, 23, 0.88) 100%);
        }

        .glow-border:hover {
            border-color: rgba(16, 185, 129, 0.5);
            box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.1), 0 8px 10px -6px rgba(16, 185, 129, 0.1);
        }

        .code-bracket {
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
        }

        /* 隐藏原生数字输入箭头 */
        input[type="number"]::-webkit-outer-spin-button,
        input[type="number"]::-webkit-inner-spin-button {
            -webkit-appearance: none;
            margin: 0;
        }