/* roulang page: index */
:root {
            --primary: #0F52BA;
            --secondary: #00A896;
            --accent: #FF6B35;
            --dark-navy: #0B132B;
        }
        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            color: #334155;
            background-color: #F8FAFC;
        }
        .text-gradient {
            background: linear-gradient(135deg, #0F52BA 0%, #00A896 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .bg-gradient-primary {
            background: linear-gradient(135deg, #0F52BA 0%, #00A896 100%);
        }
        .bg-gradient-dark {
            background: linear-gradient(135deg, #0B132B 0%, #1C2541 100%);
        }
        .custom-card {
            border-radius: 20px;
            box-shadow: 0 10px 25px -5px rgba(15, 82, 186, 0.08);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .custom-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 30px -10px rgba(15, 82, 186, 0.16);
        }