.derun-side-bar{top:calc(50% - 106px);position:fixed;right:5px;z-index:999;border-radius:6px;background:#fff;box-shadow:0 0 15px rgba(1,1,1,0.1);}
.derun-side-bar a{display:block;cursor:pointer;width:48px;height:48px;display:-webkit-flex;display:flex;-webkit-justify-content:center;justify-content:center;-webkit-align-items:center;align-items:center;position:relative;color:var(--color-primary);}
.derun-side-bar a+a{border-top:1px solid rgba(218,37,28,0.5);}
.derun-side-bar a i{display:inline-block;font-size:28px;color:inherit;}
.derun-side-bar a:hover{background:var(--color-primary);color:#fff;}

.derun-side-bar .wx-box{width:150px;position:absolute;right:50px;top:-50px;display:none;z-index:100;}
.derun-side-bar .wx-box .box{width:140px;padding:5px;border:1px solid #D6D7D7;text-align:center;background:#fff;overflow:hidden;}
.derun-side-bar .wx-box .box img{width:100%;}

.derun-side-bar .wx-box .arrowPanel{width:12px;height:20px;position:absolute;right:0;top:calc(50% - 5px);}
.derun-side-bar .wx-box .arrowPanel .arrow01{width:0;height:0;font-size:0;line-height:0;position:absolute;bottom:0;left:2px;top:0;border-top:10px dashed transparent;border-right:10px dashed transparent;border-bottom:10px dashed transparent;border-left:10px solid #ddd;}
.derun-side-bar .wx-box .arrowPanel .arrow02{width:0;height:0;font-size:0;line-height:0;position:absolute;bottom:0;left:0;top:0;border-top:10px dashed transparent;border-right:10px dashed transparent;border-bottom:10px dashed transparent;border-left:10px solid #fff;}

.derun-side-bar a:hover .wx-box{display:block;}

.derun-side-bar {
    top: calc(50% - 106px);
    position: fixed;
    right: 5px;
    z-index: 999;
    border-radius: 6px;
    background: #fff;
    box-shadow: 0 0 15px rgba(1, 1, 1, 0.1);
    /* 预设过渡动画，电脑端无位移所以不影响 */
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), right 0.4s;
}

/* 隐藏动态生成的拉手 (电脑端不显示) */
.custom-toggle-btn {
    display: none;
}

/* --- 移动端特定样式 (屏幕宽度小于 768px) --- */
@media (max-width: 768px) {
    .derun-side-bar {
        right: 0; /* 移动端靠边 */
        border-radius: 8px 0 0 8px;
    }

    /* 收起状态：完全移出右侧 */
    .derun-side-bar.is-collapsed {
        transform: translateX(100%);
    }

    /* 移动端显示拉手 */
    .custom-toggle-btn {
        display: flex;
        position: absolute;
        left: -18px; /* 极窄设计，减少遮挡 */
        top: 50%;
        transform: translateY(-50%);
        width: 18px;  /* 宽度更小 */
        height: 36px; /* 高度更小 */
        background: #fff;
        box-shadow: -3px 0 6px rgba(0,0,0,0.1);
        border-radius: 10px 0 0 10px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        border: 1px solid #eee;
        border-right: none;
    }

    /* 极细箭头 */
    .custom-toggle-btn::after {
        content: '';
        width: 4px;
        height: 4px;
        border-top: 1.2px solid #999;
        border-right: 1.2px solid #999;
        transform: rotate(45deg); 
        transition: transform 0.3s;
        margin-right: 1px;
    }

    /* 收起时箭头转向 */
    .is-collapsed .custom-toggle-btn::after {
        transform: rotate(-135deg);
        margin-left: 3px;
        margin-right: 0;
    }
    
    /* 移动端隐藏悬浮二维码防止遮挡 */
    .derun-side-bar .wx-box {
        display: none !important;
    }
}