.3pyz {
            background: white;
            padding: 40px 50px;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            text-align: center;
            max-width: 500px;
        }
        .visit-info {
            font-size: 18px;
            color: #34495e;
            background: #ecf0f1;
            padding: 10px 20px;
            border-radius: 30px;
            display: inline-block;
        }
        .visit-info span {
            font-weight: bold;
            color: #2980b9;
        }
        .status-today {
            margin-top: 10px;
            font-size: 14px;
            color: #7f8c8d;
        }


    /* -------- 验证模态框 -------- */
        .mod {
            display: none;
            position: fixed;
            z-index: 9999;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.55);
            justify-content: center;
            align-items: center;
        }
        .mod-content {
            background-color: #fff;
            padding: 30px 35px 35px 35px;
            border-radius: 12px;
            max-width: 500px;
            width: 100%;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.25);
        }
        .mod-content h3 {
            margin-top: 0;
            color: #2c3e50;
            font-size: 22px;
        }
        .mod-content p {
            color: #555;
            font-size: 15px;
            margin: 12px 0 18px 0;
        }
        .captcha-images {
            display: flex;
            justify-content: space-around;
            gap: 12px;
            margin: 20px 0 15px 0;
            flex-wrap: wrap;
        }
        .captcha-images img {
            width: 120px;
            height: 120px;
            object-fit: cover;
            border: 3px solid #ddd;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.2s;
        }
        .captcha-images img:hover {
            transform: scale(1.05);
            border-color: #aaa;
        }
        .captcha-images img.correct {
            border-color: #27ae60;
            background-color: #eafaf1;
            box-shadow: 0 0 0 2px #27ae60;
        }
        .captcha-images img.wrong {
            border-color: #e74c3c;
            background-color: #fdedec;
            box-shadow: 0 0 0 2px #e74c3c;
        }
        #captcha-message {
            font-size: 15px;
            min-height: 24px;
            margin: 12px 0 16px 0;
            color: #888;
        }
        .btn-continue {
            background-color: #2980b9;
            color: white;
            padding: 12px 32px;
            border: none;
            border-radius: 30px;
            font-size: 16px;
            cursor: pointer;
            transition: background 0.3s;
            opacity: 0.6;
            pointer-events: none;
        }
        .btn-continue.enabled {
            opacity: 1;
            pointer-events: auto;
        }
        .btn-continue.enabled:hover {
            background-color: #1f618d;
        }