/* roulang page: index */
:root {
            --primary: #6366F1;
            --primary-gradient: linear-gradient(135deg, #6366F1 0%, #8B5CF6 100%);
            --accent-emerald: #10B981;
            --accent-cyan: #06B6D4;
            --bg-body: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #64748B;
        }

        body {
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.75;
            overflow-x: hidden;
        }

        .gradient-text {
            background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 50%, #06B6D4 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .gradient-bg {
            background: var(--primary-gradient);
        }

        .glass-panel {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

        .glass-panel-dark {
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .card-hover-effect {
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }
        .card-hover-effect:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 30px -10px rgba(99, 102, 241, 0.12);
            border-color: rgba(99, 102, 241, 0.35);
        }

        .badge-pill {
            display: inline-flex;
            align-items: center;
            padding: 0.3rem 0.85rem;
            border-radius: 9999px;
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: -0.01em;
        }

        .glow-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: #10B981;
            box-shadow: 0 0 10px #10B981;
            display: inline-block;
            margin-right: 6px;
        }

        /* 移动端菜单抽屉过渡 */
        #mobile-menu {
            transition: transform 0.3s ease-in-out, opacity 0.25s ease;
        }