/* KNN广告管理 v3.0 样式 */
.knn-ad-module{margin-bottom:15px;}
.knn-ad-module-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;padding:0 4px;}
.knn-ad-module-head span{font-weight:600;font-size:15px;}
.knn-ad-join-btn{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;background:#409eff;color:#fff;border-radius:4px;font-size:12px;text-decoration:none;transition:opacity .2s;}
.knn-ad-join-btn:hover{opacity:.85;color:#fff;}

/* 图片广告 */
.knn-ad-image-list{display:flex;flex-wrap:wrap;gap:10px;}
.knn-ad-image-item{display:block;flex:1 1 calc(50% - 5px);max-width:calc(50% - 5px);border-radius:6px;overflow:hidden;}
.knn-ad-image-item img{width:100%;height:auto;display:block;transition:transform .3s;}
.knn-ad-image-item:hover img{transform:scale(1.03);}

/* 文字广告 */
.knn-ad-text-list{display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:10px;}
.knn-ad-text-item{font-size:13px;color:#606266;text-decoration:none;transition:color .2s;}
.knn-ad-text-item:hover{color:#409eff;}

/* 轮播 */
.knn-ad-carousel{position:relative;overflow:hidden;border-radius:8px;}
.knn-ad-carousel-track{display:flex;transition:transform .5s ease;}
.knn-ad-carousel-track .knn-ad-image-item{flex:0 0 100%;max-width:100%;}
.knn-ad-carousel-prev,.knn-ad-carousel-next{position:absolute;top:50%;transform:translateY(-50%);width:32px;height:32px;background:rgba(0,0,0,.4);color:#fff;border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;z-index:2;}
.knn-ad-carousel-prev{left:8px;}.knn-ad-carousel-next{right:8px;}
.knn-ad-carousel-prev:hover,.knn-ad-carousel-next:hover{background:rgba(0,0,0,.6);}
.knn-ad-carousel-dots{position:absolute;bottom:8px;left:50%;transform:translateX(-50%);display:flex;gap:6px;z-index:2;}
.knn-ad-carousel-dots span{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;}
.knn-ad-carousel-dots span.active{background:#fff;}

/* 全局悬浮入驻入口 */
.knn-ad-entry-float{position:fixed;left:20px;bottom:80px;z-index:9997;background:linear-gradient(135deg,#ff6b00,#ff9500);color:#fff;border-radius:24px;padding:10px 18px;text-decoration:none;display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;box-shadow:0 4px 16px rgba(255,107,0,.35);transition:transform .2s,opacity .2s;}
.knn-ad-entry-float:hover{transform:scale(1.05);color:#fff;}
.knn-ad-entry-float i{font-size:16px;}

/* 悬浮广告 */
.knn-ad-float{position:fixed;right:20px;bottom:80px;width:140px;z-index:9998;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.15);}
.knn-ad-float-close{position:absolute;top:4px;right:4px;width:22px;height:22px;background:rgba(0,0,0,.5);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;text-decoration:none;z-index:2;}
.knn-ad-float-title{font-size:11px;color:#909399;text-align:center;padding:4px;background:#f5f7fa;}
.knn-ad-float img{width:100%;display:block;}

/* 弹窗广告 */
.knn-ad-popup{position:fixed;top:0;left:0;width:100%;height:100%;z-index:100000;display:flex;align-items:center;justify-content:center;}
.knn-ad-popup-mask{position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.6);}
.knn-ad-popup-box{position:relative;max-width:500px;width:90%;background:#fff;border-radius:12px;overflow:hidden;animation:knn-ad-pop .3s ease;}
.knn-ad-popup-box img{width:100%;display:block;}
.knn-ad-popup-close{position:absolute;top:-36px;right:0;color:#fff;font-size:24px;text-decoration:none;width:32px;height:32px;display:flex;align-items:center;justify-content:center;}

/* ========== 自助入驻弹窗 ========== */
.knn-ad-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.55);z-index:99999;justify-content:center;align-items:flex-start;padding:20px;box-sizing:border-box;overflow-y:auto;}
.knn-ad-overlay.show{display:flex;}
.knn-ad-dialog{position:relative;background:#fff;border-radius:12px;width:100%;max-width:520px;margin:auto;overflow:hidden;box-shadow:0 10px 40px rgba(0,0,0,.3);animation:knn-ad-pop .25s ease;}
@keyframes knn-ad-pop{from{transform:translateY(20px);opacity:0;}to{transform:translateY(0);opacity:1;}}
.knn-ad-close{position:absolute;top:14px;right:14px;z-index:10;color:#fff;font-size:18px;opacity:.85;text-decoration:none;width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;}
.knn-ad-close:hover{background:rgba(255,255,255,.2);opacity:1;color:#fff;}
.knn-ad-header{background:linear-gradient(135deg,#409eff,#66b1ff);color:#fff;padding:28px 24px 24px;text-align:center;}
.knn-ad-title{font-size:20px;font-weight:700;margin-bottom:6px;}
.knn-ad-subtitle{font-size:12px;opacity:.85;}
.knn-ad-body{padding:18px 20px 20px;}
.knn-ad-field{margin-bottom:16px;}
.knn-ad-label{font-size:13px;font-weight:600;color:#303133;margin-bottom:8px;display:flex;align-items:center;gap:4px;}
.knn-ad-req{color:#f56c6c;}
.knn-ad-input{width:100%;padding:9px 12px;border:1px solid #dcdfe6;border-radius:6px;font-size:13px;outline:none;box-sizing:border-box;transition:border-color .2s;}
.knn-ad-input:focus{border-color:#409eff;}

/* VIP提示 */
.knn-ad-vip-tip{background:linear-gradient(135deg,#fff7e6,#ffe7ba);border:1px solid #ffd591;color:#d46b08;padding:8px 12px;border-radius:6px;font-size:12px;margin-bottom:16px;}

/* 广告位选择 */
.knn-ad-slots{display:flex;flex-wrap:wrap;gap:8px;}
.knn-ad-slot-item{flex:1 1 calc(33.33% - 6px);max-width:calc(33.33% - 6px);border:2px solid #e4e7ed;border-radius:8px;padding:10px 6px;text-align:center;cursor:pointer;transition:all .2s;position:relative;}
.knn-ad-slot-item input{display:none;}
.knn-ad-slot-item.active{border-color:#409eff;background:#ecf5ff;}
.knn-ad-slot-name{font-size:12px;font-weight:600;color:#303133;}
.knn-ad-slot-size{font-size:10px;color:#909399;margin-top:2px;}

/* 时长选择 */
.knn-ad-durations{display:flex;gap:8px;}
.knn-ad-dur-item{flex:1;border:2px solid #e4e7ed;border-radius:8px;padding:10px 4px;text-align:center;cursor:pointer;transition:all .2s;}
.knn-ad-dur-item input{display:none;}
.knn-ad-dur-item.active{border-color:#409eff;background:#ecf5ff;}
.knn-ad-dur-item span{font-size:13px;font-weight:600;color:#303133;line-height:1.4;}
.knn-ad-dur-item em{font-style:normal;font-size:10px;color:#909399;font-weight:400;}
.knn-ad-custom-days{margin-top:8px;display:flex;align-items:center;gap:8px;font-size:12px;color:#909399;}
.knn-ad-custom-days .knn-ad-input{flex:1;}

/* 联系方式 */
.knn-ad-contact-tabs{display:flex;gap:6px;margin-bottom:8px;}
.knn-ad-ctab{flex:1;border:1px solid #e4e7ed;border-radius:6px;padding:7px 4px;text-align:center;cursor:pointer;font-size:12px;color:#606266;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:3px;}
.knn-ad-ctab input{display:none;}
.knn-ad-ctab.active{border-color:#409eff;background:#ecf5ff;color:#409eff;}

/* 上传 */
.knn-ad-upload-tabs{display:flex;gap:6px;margin-bottom:8px;}
.knn-ad-utab{border:1px solid #e4e7ed;border-radius:6px;padding:5px 12px;cursor:pointer;font-size:12px;transition:all .2s;}
.knn-ad-utab input{display:none;}
.knn-ad-utab.active{border-color:#409eff;background:#ecf5ff;color:#409eff;}
.knn-ad-upload-area{border:2px dashed #dcdfe6;border-radius:8px;padding:20px;text-align:center;cursor:pointer;transition:border-color .2s;}
.knn-ad-upload-area:hover{border-color:#409eff;}
.knn-ad-upload-placeholder i{font-size:32px;color:#c0c4cc;margin-bottom:6px;}
.knn-ad-upload-placeholder div{font-size:13px;color:#606266;}
.knn-ad-upload-tip{font-size:11px;color:#c0c4cc;margin-top:4px;}

/* 优惠券 */
.knn-ad-coupon-row{display:flex;gap:8px;}
.knn-ad-coupon-row .knn-ad-input{flex:1;}
.knn-ad-coupon-btn{padding:9px 16px;background:#409eff;color:#fff;border:none;border-radius:6px;font-size:13px;cursor:pointer;white-space:nowrap;}
.knn-ad-coupon-result{font-size:12px;margin-top:6px;}

/* 预览 */
.knn-ad-preview-box{border:1px solid #e4e7ed;border-radius:8px;padding:12px;background:#fafafa;}
.knn-ad-preview-placeholder{text-align:center;color:#c0c4cc;font-size:12px;padding:20px 0;}

/* 价格汇总 */
.knn-ad-summary{background:#f5f7fa;border-radius:8px;padding:12px 16px;margin-bottom:16px;}
.knn-ad-summary-row{display:flex;justify-content:space-between;font-size:13px;color:#606266;margin-bottom:4px;}
.knn-ad-summary-row:last-child{margin-bottom:0;}
.knn-ad-price{color:#f56c6c;font-weight:700;font-size:18px;}

/* 支付方式 */
.knn-ad-pay-methods{display:flex;gap:8px;}
.knn-ad-pay-item{flex:1;border:2px solid #e4e7ed;border-radius:8px;padding:12px 6px;text-align:center;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:4px;font-size:13px;font-weight:600;color:#303133;}
.knn-ad-pay-item input{display:none;}
.knn-ad-pay-item.active{border-color:#409eff;background:#ecf5ff;}
.knn-ad-pay-item i{font-size:18px;}

/* 提交按钮 */
.knn-ad-submit{width:100%;padding:13px;background:linear-gradient(135deg,#409eff,#66b1ff);color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:opacity .2s;}
.knn-ad-submit:hover{opacity:.9;}
.knn-ad-submit:disabled{opacity:.6;cursor:not-allowed;}

@media(max-width:480px){
    .knn-ad-overlay{padding:0;align-items:flex-end;}
    .knn-ad-dialog{border-radius:12px 12px 0 0;max-width:100%;}
    .knn-ad-slot-item{flex:1 1 calc(50% - 4px);max-width:calc(50% - 4px);}
    .knn-ad-dur-item span{font-size:12px;}
    .knn-ad-float{width:100px;right:10px;bottom:60px;}
}