/* roulang page: index */
:root {
            --primary: #0A5C36;
            --accent: #10B981;
            --surface: #182232;
            --darkbg: #0B0E14;
            --altbg: #121824;
            --border-dim: rgba(255, 255, 255, 0.08);
        }
        * { box-sizing: border-box; }
        body {
            background-color: var(--darkbg);
            color: #F8FAFC;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
            scroll-behavior: smooth;
        }
        .text-dim { color: #94A3B8; }
        .text-sub { color: #64748B; }
        .card-custom {
            background-color: var(--surface);
            border: 1px solid var(--border-dim);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-custom:hover {
            border-color: rgba(16, 185, 129, 0.4);
            box-shadow: 0 8px 30px rgba(16, 185, 129, 0.08);
            transform: translateY(-2px);
        }
        .btn-accent {
            background-color: #10B981;
            color: #042416;
            font-weight: 600;
            transition: all 0.25s ease;
        }
        .btn-accent:hover {
            background-color: #34D399;
            box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
        }
        .btn-accent:active {
            transform: scale(0.97);
        }
        .btn-outline {
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #F8FAFC;
            background: rgba(24, 34, 50, 0.6);
            transition: all 0.25s ease;
        }
        .btn-outline:hover {
            border-color: #10B981;
            color: #10B981;
            background: rgba(16, 185, 129, 0.06);
        }
        .tabular { font-variant-numeric: tabular-nums; }