.controls {
            /* position: fixed; */
            /* top: 20px; */
            /* right: 20px; */
            background: rgba(255, 255, 255, 0.9);
            /* 调高透明度 */
            padding: 12px;
            border-radius: 8px;
            /* box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1); */
            /* 增强容器阴影 */
        }

        #uploadBtn {
            margin-top: 10px;
            display: block;
        }

        /* 新增开关样式 */
        .switch {
            position: relative;
            display: inline-block;
            width: 50px;
            height: 24px;
            margin-bottom: 10px;
        }

        .switch input {
            opacity: 0;
            width: 0;
            height: 0;
        }

        .slider {
            position: absolute;
            cursor: pointer;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: #ccc;
            transition: .4s;
            border-radius: 24px;
        }

        .slider:before {
            position: absolute;
            content: "";
            height: 20px;
            width: 20px;
            left: 2px;
            bottom: 2px;
            background-color: white;
            transition: .4s;
            border-radius: 50%;
        }

        input:checked+.slider {
            background-color: #2196F3;
        }

        input:checked+.slider:before {
            transform: translateX(26px);
        }

        /* 禁用状态样式 */
        button:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        /* 修改原有表单样式 */
        #durationSelect,
        #uploadBtn {
            /* 保持原有样式不变 */
            border: none;
            background: white;
            padding: 8px 12px;
            border-radius: 4px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            cursor: pointer;
        }

        #bjsz {
            display: flex;
            flex-wrap: wrap;
            flex-direction: row;
            justify-content: space-evenly;
            align-items: flex-end;
            font-size: 14px;
            padding: 5px 0;
        }