/* roulang page: index */
:root {
            --primary: #0A58CA;
            --primary-dark: #002B7F;
            --accent-green: #00D285;
            --accent-cyan: #00C9A7;
            --bg-light: #F8FAFC;
            --text-main: #0F172A;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        /* 统一平滑阴影与悬停效果 */
        .card-custom {
            border-radius: 1.25rem;
            box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.06);
            transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
        }
        .card-custom:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 35px -10px rgba(10, 88, 202, 0.12);
        }

        /* 徽章胶囊 */
        .badge-capsule {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.85rem;
            border-radius: 9999px;
            font-size: 0.825rem;
            font-weight: 600;
        }

        /* 表单输入与交互焦点 */
        .input-base {
            transition: all 0.2s ease-in-out;
        }
        .input-base:focus {
            outline: none;
            border-color: #0A58CA;
            box-shadow: 0 0 0 3px rgba(10, 88, 202, 0.15);
        }