/* roulang page: index */
:root {
            --bg-main: #0F172A;
            --bg-card: #1E293B;
            --emerald-brand: #0A2E24;
            --emerald-accent: #10B981;
            --gold-accent: #EAB308;
            --text-main: #F8FAFC;
            --text-muted: #94A3B8;
            --border-glow: rgba(16, 185, 129, 0.2);
        }
        * {
            box-sizing: border-box;
            scroll-behavior: smooth;
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            overflow-x: hidden;
        }
        .gold-gradient-text {
            background: linear-gradient(135deg, #FFF6D1 0%, #EAB308 50%, #CA8A04 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .emerald-gradient-text {
            background: linear-gradient(135deg, #A7F3D0 0%, #10B981 50%, #047857 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .glass-panel {
            background: rgba(30, 41, 59, 0.75);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(16, 185, 129, 0.18);
        }
        .glass-card-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .glass-card-hover:hover {
            transform: translateY(-4px);
            border-color: rgba(234, 179, 8, 0.45);
            box-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.6);
        }
        .nav-fixed-top {
            position: sticky;
            top: 0;
            z-index: 50;
            backdrop-filter: blur(20px);
            background: rgba(15, 23, 42, 0.92);
            border-bottom: 1px solid rgba(16, 185, 129, 0.15);
        }
        .pulse-indicator {
            box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
            animation: pulse-ring 2s infinite;
        }
        @keyframes pulse-ring {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }
        /* 表单与交互状态 */
        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: #10B981;
            box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.25);
        }