/* roulang page: index */
:root {
            --primary: #0F766E;
            --primary-hover: #115E59;
            --accent: #D97706;
            --accent-hover: #B45309;
            --dark: #0F172A;
            --text-main: #334155;
            --border-color: #E2E8F0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            color: var(--text-main);
            background-color: #FFFFFF;
            line-height: 1.75;
        }
        .text-balance-cn {
            text-wrap: balance;
        }
        .hero-banner {
            background-image: linear-gradient(to right, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0.85)), url('/assets/images/c51b73e25e6d5e25.jpg');
            background-size: cover;
            background-position: center;
        }
        .custom-scrollbar::-webkit-scrollbar {
            width: 5px;
            height: 5px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 4px;
        }