/* 下载按钮 */
.pan-trigger{
    background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);
    color:#fff;border:none;padding:12px 32px;border-radius:30px;
    font-size:16px;cursor:pointer;box-shadow:0 4px 15px rgba(102,126,234,.4);
    transition:all .3s;
}
.pan-trigger:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(102,126,234,.5);}

/* 磨砂弹窗 */
.pan-modal-overlay{
    position:fixed;top:0;left:0;width:100%;height:100%;
    background:rgba(0,0,0,.55);
    backdrop-filter:blur(var(--blur));
    -webkit-backdrop-filter:blur(var(--blur));
    z-index:99999;display:none;align-items:center;justify-content:center;
}
.pan-modal-overlay.active{display:flex;}

.pan-modal{
    background:rgba(255,255,255,.92);border-radius:16px;
    box-shadow:0 8px 32px rgba(0,0,0,.2);width:90%;max-width:700px;
    position:relative;overflow:hidden;border:1px solid rgba(255,255,255,.3);
}

/* Tab切换 */
.pan-tabs{
    display:flex;background:rgba(255,255,255,.5);padding:8px 8px 0;
    border-radius:16px 16px 0 0;
}
.pan-tab{
    flex:1;background:none;border:none;padding:12px 10px;
    font-size:14px;color:#666;cursor:pointer;border-radius:8px 8px 0 0;
    transition:all .3s;
}
.pan-tab.active{color:#1677ff;background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.05);}

/* 内容区（左名→中码→右说明） */
.pan-content{padding:30px;}
.pan-panel{display:none;animation:fadeIn .3s ease;}
.pan-panel.active{display:grid;grid-template-columns:1fr 200px 1fr;gap:25px;align-items:center;}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}

.pan-left h3{margin:0 0 10px;font-size:18px;color:#333;}
.pan-center img{width:180px;height:180px;border-radius:8px;background:#fff;padding:8px;box-shadow:0 2px 10px rgba(0,0,0,.05);}
.pan-right p{margin:0;font-size:14px;color:#666;line-height:1.6;}

/* 关闭按钮 */
.pan-close{
    position:absolute;top:12px;right:12px;width:28px;height:28px;
    background:rgba(0,0,0,.05);border-radius:50%;display:flex;
    align-items:center;justify-content:center;cursor:pointer;
    color:#666;font-size:18px;transition:all .2s;
}
.pan-close:hover{background:rgba(0,0,0,.1);transform:rotate(90deg);}

/* 响应式 */
@media(max-width:768px){
    .pan-panel.active{grid-template-columns:1fr;text-align:center;gap:20px;}
    .pan-center img{width:160px;height:160px;}
    .pan-modal{max-width:90%;}
}