.wa-banner {
            background: #1a1a1a;
            color: #fff;
            position: fixed;
            top: -60px;
            left: 0;
            width: 100%;
            z-index: 9999;
            transition: top 0.3s ease;
            border-bottom: 2px solid #E5C15E;
            font-size: 0.85rem;
            font-family: inherit;
            box-shadow: 0 2px 10px rgba(0,0,0,0.4);
        }
        .wa-banner.visible { top: 0; }

        .wa-banner-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 20px;
            flex-wrap: wrap;
        }
        .wa-banner-text {
            color: #dddddd;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            flex: 1;
            min-width: 0;
        }
        .wa-banner-text strong { color: #E5C15E; }

        .wa-detail-btn {
            color: #E5C15E;
            background: none;
            border: 1px solid #E5C15E;
            padding: 4px 12px;
            font-size: 0.8rem;
            cursor: pointer;
            border-radius: 3px;
            white-space: nowrap;
            margin-left: 15px;
            transition: background 0.2s;
        }
        .wa-detail-btn:hover {
            background: #E5C15E;
            color: #1a1a1a;
        }

        .wa-detail-content {
            display: none;
            padding: 12px 20px;
            background: #111;
            color: #ccc;
            font-size: 0.85rem;
            line-height: 1.5;
            border-top: 1px solid #333;
        }
        .wa-detail-content.show { display: block; }

        @media (max-width: 768px) {
            .wa-banner-inner { padding: 8px 12px; }
            .wa-banner-text { white-space: normal; }
            .wa-detail-btn { margin-left: 10px; }
        }